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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/Common/stm32_eval_spi_sd.c @ 0:c59513fd84fb

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Initial commit of STM32 test code.
author Daniel O'Connor <darius@dons.net.au>
date Mon, 03 Oct 2011 21:19:15 +1030
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1 /**
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2 ******************************************************************************
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3 * @file stm32_eval_spi_sd.c
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4 * @author MCD Application Team
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5 * @version V4.5.0
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6 * @date 07-March-2011
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7 * @brief This file provides a set of functions needed to manage the SPI SD
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8 * Card memory mounted on STM32xx-EVAL board (refer to stm32_eval.h
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9 * to know about the boards supporting this memory).
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10 * It implements a high level communication layer for read and write
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11 * from/to this memory. The needed STM32 hardware resources (SPI and
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12 * GPIO) are defined in stm32xx_eval.h file, and the initialization is
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13 * performed in SD_LowLevel_Init() function declared in stm32xx_eval.c
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14 * file.
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15 * You can easily tailor this driver to any other development board,
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16 * by just adapting the defines for hardware resources and
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17 * SD_LowLevel_Init() function.
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18 *
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19 * +-------------------------------------------------------+
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20 * | Pin assignment |
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21 * +-------------------------+---------------+-------------+
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22 * | STM32 SPI Pins | SD | Pin |
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23 * +-------------------------+---------------+-------------+
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24 * | SD_SPI_CS_PIN | ChipSelect | 1 |
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25 * | SD_SPI_MOSI_PIN / MOSI | DataIn | 2 |
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26 * | | GND | 3 (0 V) |
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27 * | | VDD | 4 (3.3 V)|
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28 * | SD_SPI_SCK_PIN / SCLK | Clock | 5 |
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29 * | | GND | 6 (0 V) |
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30 * | SD_SPI_MISO_PIN / MISO | DataOut | 7 |
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31 * +-------------------------+---------------+-------------+
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32 ******************************************************************************
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33 * @attention
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34 *
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35 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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36 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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37 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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38 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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39 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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40 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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41 *
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42 * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
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43 ******************************************************************************
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44 */
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45
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46 /* Includes ------------------------------------------------------------------*/
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47 #include "stm32_eval_spi_sd.h"
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48
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49 /** @addtogroup Utilities
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50 * @{
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51 */
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52
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53 /** @addtogroup STM32_EVAL
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54 * @{
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55 */
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56
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57 /** @addtogroup Common
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58 * @{
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59 */
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60
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61 /** @addtogroup STM32_EVAL_SPI_SD
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62 * @brief This file includes the SD card driver of STM32-EVAL boards.
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63 * @{
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64 */
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65
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66 /** @defgroup STM32_EVAL_SPI_SD_Private_Types
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67 * @{
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68 */
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69 /**
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70 * @}
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71 */
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72
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73
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74 /** @defgroup STM32_EVAL_SPI_SD_Private_Defines
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75 * @{
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76 */
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77 /**
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78 * @}
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79 */
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80
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81 /** @defgroup STM32_EVAL_SPI_SD_Private_Macros
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82 * @{
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83 */
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84 /**
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85 * @}
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86 */
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87
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88
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89 /** @defgroup STM32_EVAL_SPI_SD_Private_Variables
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90 * @{
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91 */
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92 /**
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93 * @}
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94 */
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95
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96
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97 /** @defgroup STM32_EVAL_SPI_SD_Private_Function_Prototypes
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98 * @{
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99 */
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100 /**
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101 * @}
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102 */
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103
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104
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105 /** @defgroup STM32_EVAL_SPI_SD_Private_Functions
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106 * @{
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107 */
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108
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109 /**
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110 * @brief DeInitializes the SD/SD communication.
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111 * @param None
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112 * @retval None
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113 */
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114 void SD_DeInit(void)
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115 {
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116 SD_LowLevel_DeInit();
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117 }
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118
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119 /**
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120 * @brief Initializes the SD/SD communication.
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121 * @param None
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122 * @retval The SD Response:
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123 * - SD_RESPONSE_FAILURE: Sequence failed
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124 * - SD_RESPONSE_NO_ERROR: Sequence succeed
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125 */
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126 SD_Error SD_Init(void)
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127 {
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128 uint32_t i = 0;
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129
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130 /*!< Initialize SD_SPI */
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131 SD_LowLevel_Init();
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132
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133 /*!< SD chip select high */
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134 SD_CS_HIGH();
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135
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136 /*!< Send dummy byte 0xFF, 10 times with CS high */
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137 /*!< Rise CS and MOSI for 80 clocks cycles */
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138 for (i = 0; i <= 9; i++)
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139 {
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140 /*!< Send dummy byte 0xFF */
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141 SD_WriteByte(SD_DUMMY_BYTE);
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142 }
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143 /*------------Put SD in SPI mode--------------*/
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144 /*!< SD initialized and set to SPI mode properly */
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145 return (SD_GoIdleState());
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146 }
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147
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148 /**
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149 * @brief Detect if SD card is correctly plugged in the memory slot.
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150 * @param None
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151 * @retval Return if SD is detected or not
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152 */
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153 uint8_t SD_Detect(void)
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154 {
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155 __IO uint8_t status = SD_PRESENT;
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156
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157 /*!< Check GPIO to detect SD */
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158 if (GPIO_ReadInputData(SD_DETECT_GPIO_PORT) & SD_DETECT_PIN)
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159 {
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160 status = SD_NOT_PRESENT;
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161 }
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162 return status;
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163 }
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164
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165 /**
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166 * @brief Returns information about specific card.
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167 * @param cardinfo: pointer to a SD_CardInfo structure that contains all SD
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168 * card information.
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169 * @retval The SD Response:
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170 * - SD_RESPONSE_FAILURE: Sequence failed
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171 * - SD_RESPONSE_NO_ERROR: Sequence succeed
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172 */
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173 SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo)
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174 {
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175 SD_Error status = SD_RESPONSE_FAILURE;
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176
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177 status = SD_GetCSDRegister(&(cardinfo->SD_csd));
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178 status = SD_GetCIDRegister(&(cardinfo->SD_cid));
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179 cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) ;
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180 cardinfo->CardCapacity *= (1 << (cardinfo->SD_csd.DeviceSizeMul + 2));
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181 cardinfo->CardBlockSize = 1 << (cardinfo->SD_csd.RdBlockLen);
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182 cardinfo->CardCapacity *= cardinfo->CardBlockSize;
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183
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184 /*!< Returns the reponse */
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185 return status;
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186 }
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187
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188 /**
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189 * @brief Reads a block of data from the SD.
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190 * @param pBuffer: pointer to the buffer that receives the data read from the
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191 * SD.
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192 * @param ReadAddr: SD's internal address to read from.
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193 * @param BlockSize: the SD card Data block size.
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194 * @retval The SD Response:
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195 * - SD_RESPONSE_FAILURE: Sequence failed
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196 * - SD_RESPONSE_NO_ERROR: Sequence succeed
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197 */
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198 SD_Error SD_ReadBlock(uint8_t* pBuffer, uint32_t ReadAddr, uint16_t BlockSize)
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199 {
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200 uint32_t i = 0;
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201 SD_Error rvalue = SD_RESPONSE_FAILURE;
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202
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203 /*!< SD chip select low */
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204 SD_CS_LOW();
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205
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206 /*!< Send CMD17 (SD_CMD_READ_SINGLE_BLOCK) to read one block */
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207 SD_SendCmd(SD_CMD_READ_SINGLE_BLOCK, ReadAddr, 0xFF);
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208
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209 /*!< Check if the SD acknowledged the read block command: R1 response (0x00: no errors) */
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210 if (!SD_GetResponse(SD_RESPONSE_NO_ERROR))
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211 {
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212 /*!< Now look for the data token to signify the start of the data */
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213 if (!SD_GetResponse(SD_START_DATA_SINGLE_BLOCK_READ))
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214 {
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215 /*!< Read the SD block data : read NumByteToRead data */
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216 for (i = 0; i < BlockSize; i++)
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217 {
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218 /*!< Save the received data */
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219 *pBuffer = SD_ReadByte();
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220
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221 /*!< Point to the next location where the byte read will be saved */
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222 pBuffer++;
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223 }
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224 /*!< Get CRC bytes (not really needed by us, but required by SD) */
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225 SD_ReadByte();
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226 SD_ReadByte();
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227 /*!< Set response value to success */
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228 rvalue = SD_RESPONSE_NO_ERROR;
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229 }
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230 }
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231 /*!< SD chip select high */
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232 SD_CS_HIGH();
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233
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234 /*!< Send dummy byte: 8 Clock pulses of delay */
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235 SD_WriteByte(SD_DUMMY_BYTE);
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236
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237 /*!< Returns the reponse */
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238 return rvalue;
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239 }
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240
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241 /**
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242 * @brief Reads multiple block of data from the SD.
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243 * @param pBuffer: pointer to the buffer that receives the data read from the
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244 * SD.
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245 * @param ReadAddr: SD's internal address to read from.
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246 * @param BlockSize: the SD card Data block size.
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247 * @param NumberOfBlocks: number of blocks to be read.
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248 * @retval The SD Response:
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249 * - SD_RESPONSE_FAILURE: Sequence failed
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250 * - SD_RESPONSE_NO_ERROR: Sequence succeed
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251 */
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252 SD_Error SD_ReadMultiBlocks(uint8_t* pBuffer, uint32_t ReadAddr, uint16_t BlockSize, uint32_t NumberOfBlocks)
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253 {
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254 uint32_t i = 0, Offset = 0;
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255 SD_Error rvalue = SD_RESPONSE_FAILURE;
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256
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257 /*!< SD chip select low */
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258 SD_CS_LOW();
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259 /*!< Data transfer */
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260 while (NumberOfBlocks--)
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261 {
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262 /*!< Send CMD17 (SD_CMD_READ_SINGLE_BLOCK) to read one block */
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263 SD_SendCmd (SD_CMD_READ_SINGLE_BLOCK, ReadAddr + Offset, 0xFF);
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264 /*!< Check if the SD acknowledged the read block command: R1 response (0x00: no errors) */
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265 if (SD_GetResponse(SD_RESPONSE_NO_ERROR))
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266 {
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267 return SD_RESPONSE_FAILURE;
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268 }
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269 /*!< Now look for the data token to signify the start of the data */
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270 if (!SD_GetResponse(SD_START_DATA_SINGLE_BLOCK_READ))
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271 {
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272 /*!< Read the SD block data : read NumByteToRead data */
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273 for (i = 0; i < BlockSize; i++)
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274 {
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275 /*!< Read the pointed data */
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276 *pBuffer = SD_ReadByte();
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277 /*!< Point to the next location where the byte read will be saved */
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278 pBuffer++;
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279 }
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280 /*!< Set next read address*/
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281 Offset += 512;
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282 /*!< get CRC bytes (not really needed by us, but required by SD) */
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283 SD_ReadByte();
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284 SD_ReadByte();
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285 /*!< Set response value to success */
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286 rvalue = SD_RESPONSE_NO_ERROR;
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287 }
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288 else
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289 {
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290 /*!< Set response value to failure */
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291 rvalue = SD_RESPONSE_FAILURE;
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292 }
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293 }
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294 /*!< SD chip select high */
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295 SD_CS_HIGH();
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296 /*!< Send dummy byte: 8 Clock pulses of delay */
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297 SD_WriteByte(SD_DUMMY_BYTE);
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298 /*!< Returns the reponse */
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299 return rvalue;
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300 }
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301
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302 /**
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303 * @brief Writes a block on the SD
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304 * @param pBuffer: pointer to the buffer containing the data to be written on
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305 * the SD.
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306 * @param WriteAddr: address to write on.
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diff changeset
307 * @param BlockSize: the SD card Data block size.
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parents:
diff changeset
308 * @retval The SD Response:
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parents:
diff changeset
309 * - SD_RESPONSE_FAILURE: Sequence failed
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parents:
diff changeset
310 * - SD_RESPONSE_NO_ERROR: Sequence succeed
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diff changeset
311 */
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diff changeset
312 SD_Error SD_WriteBlock(uint8_t* pBuffer, uint32_t WriteAddr, uint16_t BlockSize)
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diff changeset
313 {
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parents:
diff changeset
314 uint32_t i = 0;
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diff changeset
315 SD_Error rvalue = SD_RESPONSE_FAILURE;
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parents:
diff changeset
316
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diff changeset
317 /*!< SD chip select low */
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diff changeset
318 SD_CS_LOW();
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parents:
diff changeset
319
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parents:
diff changeset
320 /*!< Send CMD24 (SD_CMD_WRITE_SINGLE_BLOCK) to write multiple block */
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diff changeset
321 SD_SendCmd(SD_CMD_WRITE_SINGLE_BLOCK, WriteAddr, 0xFF);
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parents:
diff changeset
322
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diff changeset
323 /*!< Check if the SD acknowledged the write block command: R1 response (0x00: no errors) */
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parents:
diff changeset
324 if (!SD_GetResponse(SD_RESPONSE_NO_ERROR))
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parents:
diff changeset
325 {
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parents:
diff changeset
326 /*!< Send a dummy byte */
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diff changeset
327 SD_WriteByte(SD_DUMMY_BYTE);
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parents:
diff changeset
328
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parents:
diff changeset
329 /*!< Send the data token to signify the start of the data */
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diff changeset
330 SD_WriteByte(0xFE);
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parents:
diff changeset
331
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parents:
diff changeset
332 /*!< Write the block data to SD : write count data by block */
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parents:
diff changeset
333 for (i = 0; i < BlockSize; i++)
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parents:
diff changeset
334 {
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parents:
diff changeset
335 /*!< Send the pointed byte */
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diff changeset
336 SD_WriteByte(*pBuffer);
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parents:
diff changeset
337 /*!< Point to the next location where the byte read will be saved */
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diff changeset
338 pBuffer++;
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parents:
diff changeset
339 }
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parents:
diff changeset
340 /*!< Put CRC bytes (not really needed by us, but required by SD) */
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diff changeset
341 SD_ReadByte();
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diff changeset
342 SD_ReadByte();
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parents:
diff changeset
343
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parents:
diff changeset
344 /*!< Read data response */
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parents:
diff changeset
345 if (SD_GetDataResponse() == SD_DATA_OK)
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parents:
diff changeset
346 {
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diff changeset
347 rvalue = SD_RESPONSE_NO_ERROR;
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parents:
diff changeset
348 }
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parents:
diff changeset
349 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
350 /*!< SD chip select high */
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diff changeset
351 SD_CS_HIGH();
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parents:
diff changeset
352 /*!< Send dummy byte: 8 Clock pulses of delay */
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diff changeset
353 SD_WriteByte(SD_DUMMY_BYTE);
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parents:
diff changeset
354
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
355 /*!< Returns the reponse */
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diff changeset
356 return rvalue;
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parents:
diff changeset
357 }
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
358
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
359 /**
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diff changeset
360 * @brief Writes many blocks on the SD
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parents:
diff changeset
361 * @param pBuffer: pointer to the buffer containing the data to be written on
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parents:
diff changeset
362 * the SD.
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parents:
diff changeset
363 * @param WriteAddr: address to write on.
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parents:
diff changeset
364 * @param BlockSize: the SD card Data block size.
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parents:
diff changeset
365 * @param NumberOfBlocks: number of blocks to be written.
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parents:
diff changeset
366 * @retval The SD Response:
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parents:
diff changeset
367 * - SD_RESPONSE_FAILURE: Sequence failed
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parents:
diff changeset
368 * - SD_RESPONSE_NO_ERROR: Sequence succeed
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diff changeset
369 */
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diff changeset
370 SD_Error SD_WriteMultiBlocks(uint8_t* pBuffer, uint32_t WriteAddr, uint16_t BlockSize, uint32_t NumberOfBlocks)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
371 {
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parents:
diff changeset
372 uint32_t i = 0, Offset = 0;
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diff changeset
373 SD_Error rvalue = SD_RESPONSE_FAILURE;
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parents:
diff changeset
374
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
375 /*!< SD chip select low */
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parents:
diff changeset
376 SD_CS_LOW();
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Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
377 /*!< Data transfer */
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parents:
diff changeset
378 while (NumberOfBlocks--)
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Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
379 {
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Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
380 /*!< Send CMD24 (SD_CMD_WRITE_SINGLE_BLOCK) to write blocks */
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parents:
diff changeset
381 SD_SendCmd(SD_CMD_WRITE_SINGLE_BLOCK, WriteAddr + Offset, 0xFF);
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parents:
diff changeset
382 /*!< Check if the SD acknowledged the write block command: R1 response (0x00: no errors) */
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
383 if (SD_GetResponse(SD_RESPONSE_NO_ERROR))
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
384 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
385 return SD_RESPONSE_FAILURE;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
386 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
387 /*!< Send dummy byte */
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
388 SD_WriteByte(SD_DUMMY_BYTE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
389 /*!< Send the data token to signify the start of the data */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
390 SD_WriteByte(SD_START_DATA_SINGLE_BLOCK_WRITE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
391 /*!< Write the block data to SD : write count data by block */
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Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
392 for (i = 0; i < BlockSize; i++)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
393 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
394 /*!< Send the pointed byte */
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parents:
diff changeset
395 SD_WriteByte(*pBuffer);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
396 /*!< Point to the next location where the byte read will be saved */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
397 pBuffer++;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
398 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
399 /*!< Set next write address */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
400 Offset += 512;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
401 /*!< Put CRC bytes (not really needed by us, but required by SD) */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
402 SD_ReadByte();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
403 SD_ReadByte();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
404 /*!< Read data response */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
405 if (SD_GetDataResponse() == SD_DATA_OK)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
406 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
407 /*!< Set response value to success */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
408 rvalue = SD_RESPONSE_NO_ERROR;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
409 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
410 else
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
411 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
412 /*!< Set response value to failure */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
413 rvalue = SD_RESPONSE_FAILURE;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
414 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
415 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
416 /*!< SD chip select high */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
417 SD_CS_HIGH();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
418 /*!< Send dummy byte: 8 Clock pulses of delay */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
419 SD_WriteByte(SD_DUMMY_BYTE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
420 /*!< Returns the reponse */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
421 return rvalue;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
422 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
423
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
424 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
425 * @brief Read the CSD card register.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
426 * Reading the contents of the CSD register in SPI mode is a simple
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
427 * read-block transaction.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
428 * @param SD_csd: pointer on an SCD register structure
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
429 * @retval The SD Response:
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
430 * - SD_RESPONSE_FAILURE: Sequence failed
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
431 * - SD_RESPONSE_NO_ERROR: Sequence succeed
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
432 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
433 SD_Error SD_GetCSDRegister(SD_CSD* SD_csd)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
434 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
435 uint32_t i = 0;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
436 SD_Error rvalue = SD_RESPONSE_FAILURE;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
437 uint8_t CSD_Tab[16];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
438
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
439 /*!< SD chip select low */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
440 SD_CS_LOW();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
441 /*!< Send CMD9 (CSD register) or CMD10(CSD register) */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
442 SD_SendCmd(SD_CMD_SEND_CSD, 0, 0xFF);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
443 /*!< Wait for response in the R1 format (0x00 is no errors) */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
444 if (!SD_GetResponse(SD_RESPONSE_NO_ERROR))
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
445 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
446 if (!SD_GetResponse(SD_START_DATA_SINGLE_BLOCK_READ))
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
447 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
448 for (i = 0; i < 16; i++)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
449 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
450 /*!< Store CSD register value on CSD_Tab */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
451 CSD_Tab[i] = SD_ReadByte();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
452 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
453 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
454 /*!< Get CRC bytes (not really needed by us, but required by SD) */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
455 SD_WriteByte(SD_DUMMY_BYTE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
456 SD_WriteByte(SD_DUMMY_BYTE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
457 /*!< Set response value to success */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
458 rvalue = SD_RESPONSE_NO_ERROR;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
459 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
460 /*!< SD chip select high */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
461 SD_CS_HIGH();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
462 /*!< Send dummy byte: 8 Clock pulses of delay */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
463 SD_WriteByte(SD_DUMMY_BYTE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
464
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
465 /*!< Byte 0 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
466 SD_csd->CSDStruct = (CSD_Tab[0] & 0xC0) >> 6;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
467 SD_csd->SysSpecVersion = (CSD_Tab[0] & 0x3C) >> 2;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
468 SD_csd->Reserved1 = CSD_Tab[0] & 0x03;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
469
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
470 /*!< Byte 1 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
471 SD_csd->TAAC = CSD_Tab[1];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
472
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
473 /*!< Byte 2 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
474 SD_csd->NSAC = CSD_Tab[2];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
475
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
476 /*!< Byte 3 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
477 SD_csd->MaxBusClkFrec = CSD_Tab[3];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
478
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
479 /*!< Byte 4 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
480 SD_csd->CardComdClasses = CSD_Tab[4] << 4;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
481
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
482 /*!< Byte 5 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
483 SD_csd->CardComdClasses |= (CSD_Tab[5] & 0xF0) >> 4;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
484 SD_csd->RdBlockLen = CSD_Tab[5] & 0x0F;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
485
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
486 /*!< Byte 6 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
487 SD_csd->PartBlockRead = (CSD_Tab[6] & 0x80) >> 7;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
488 SD_csd->WrBlockMisalign = (CSD_Tab[6] & 0x40) >> 6;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
489 SD_csd->RdBlockMisalign = (CSD_Tab[6] & 0x20) >> 5;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
490 SD_csd->DSRImpl = (CSD_Tab[6] & 0x10) >> 4;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
491 SD_csd->Reserved2 = 0; /*!< Reserved */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
492
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
493 SD_csd->DeviceSize = (CSD_Tab[6] & 0x03) << 10;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
494
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
495 /*!< Byte 7 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
496 SD_csd->DeviceSize |= (CSD_Tab[7]) << 2;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
497
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
498 /*!< Byte 8 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
499 SD_csd->DeviceSize |= (CSD_Tab[8] & 0xC0) >> 6;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
500
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
501 SD_csd->MaxRdCurrentVDDMin = (CSD_Tab[8] & 0x38) >> 3;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
502 SD_csd->MaxRdCurrentVDDMax = (CSD_Tab[8] & 0x07);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
503
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
504 /*!< Byte 9 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
505 SD_csd->MaxWrCurrentVDDMin = (CSD_Tab[9] & 0xE0) >> 5;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
506 SD_csd->MaxWrCurrentVDDMax = (CSD_Tab[9] & 0x1C) >> 2;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
507 SD_csd->DeviceSizeMul = (CSD_Tab[9] & 0x03) << 1;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
508 /*!< Byte 10 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
509 SD_csd->DeviceSizeMul |= (CSD_Tab[10] & 0x80) >> 7;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
510
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
511 SD_csd->EraseGrSize = (CSD_Tab[10] & 0x40) >> 6;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
512 SD_csd->EraseGrMul = (CSD_Tab[10] & 0x3F) << 1;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
513
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
514 /*!< Byte 11 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
515 SD_csd->EraseGrMul |= (CSD_Tab[11] & 0x80) >> 7;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
516 SD_csd->WrProtectGrSize = (CSD_Tab[11] & 0x7F);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
517
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
518 /*!< Byte 12 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
519 SD_csd->WrProtectGrEnable = (CSD_Tab[12] & 0x80) >> 7;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
520 SD_csd->ManDeflECC = (CSD_Tab[12] & 0x60) >> 5;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
521 SD_csd->WrSpeedFact = (CSD_Tab[12] & 0x1C) >> 2;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
522 SD_csd->MaxWrBlockLen = (CSD_Tab[12] & 0x03) << 2;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
523
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
524 /*!< Byte 13 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
525 SD_csd->MaxWrBlockLen |= (CSD_Tab[13] & 0xC0) >> 6;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
526 SD_csd->WriteBlockPaPartial = (CSD_Tab[13] & 0x20) >> 5;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
527 SD_csd->Reserved3 = 0;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
528 SD_csd->ContentProtectAppli = (CSD_Tab[13] & 0x01);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
529
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
530 /*!< Byte 14 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
531 SD_csd->FileFormatGrouop = (CSD_Tab[14] & 0x80) >> 7;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
532 SD_csd->CopyFlag = (CSD_Tab[14] & 0x40) >> 6;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
533 SD_csd->PermWrProtect = (CSD_Tab[14] & 0x20) >> 5;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
534 SD_csd->TempWrProtect = (CSD_Tab[14] & 0x10) >> 4;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
535 SD_csd->FileFormat = (CSD_Tab[14] & 0x0C) >> 2;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
536 SD_csd->ECC = (CSD_Tab[14] & 0x03);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
537
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
538 /*!< Byte 15 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
539 SD_csd->CSD_CRC = (CSD_Tab[15] & 0xFE) >> 1;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
540 SD_csd->Reserved4 = 1;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
541
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
542 /*!< Return the reponse */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
543 return rvalue;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
544 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
545
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
546 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
547 * @brief Read the CID card register.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
548 * Reading the contents of the CID register in SPI mode is a simple
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
549 * read-block transaction.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
550 * @param SD_cid: pointer on an CID register structure
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
551 * @retval The SD Response:
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
552 * - SD_RESPONSE_FAILURE: Sequence failed
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
553 * - SD_RESPONSE_NO_ERROR: Sequence succeed
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
554 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
555 SD_Error SD_GetCIDRegister(SD_CID* SD_cid)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
556 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
557 uint32_t i = 0;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
558 SD_Error rvalue = SD_RESPONSE_FAILURE;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
559 uint8_t CID_Tab[16];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
560
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
561 /*!< SD chip select low */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
562 SD_CS_LOW();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
563
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
564 /*!< Send CMD10 (CID register) */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
565 SD_SendCmd(SD_CMD_SEND_CID, 0, 0xFF);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
566
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
567 /*!< Wait for response in the R1 format (0x00 is no errors) */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
568 if (!SD_GetResponse(SD_RESPONSE_NO_ERROR))
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
569 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
570 if (!SD_GetResponse(SD_START_DATA_SINGLE_BLOCK_READ))
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
571 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
572 /*!< Store CID register value on CID_Tab */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
573 for (i = 0; i < 16; i++)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
574 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
575 CID_Tab[i] = SD_ReadByte();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
576 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
577 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
578 /*!< Get CRC bytes (not really needed by us, but required by SD) */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
579 SD_WriteByte(SD_DUMMY_BYTE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
580 SD_WriteByte(SD_DUMMY_BYTE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
581 /*!< Set response value to success */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
582 rvalue = SD_RESPONSE_NO_ERROR;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
583 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
584 /*!< SD chip select high */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
585 SD_CS_HIGH();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
586 /*!< Send dummy byte: 8 Clock pulses of delay */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
587 SD_WriteByte(SD_DUMMY_BYTE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
588
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
589 /*!< Byte 0 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
590 SD_cid->ManufacturerID = CID_Tab[0];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
591
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
592 /*!< Byte 1 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
593 SD_cid->OEM_AppliID = CID_Tab[1] << 8;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
594
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
595 /*!< Byte 2 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
596 SD_cid->OEM_AppliID |= CID_Tab[2];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
597
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
598 /*!< Byte 3 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
599 SD_cid->ProdName1 = CID_Tab[3] << 24;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
600
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
601 /*!< Byte 4 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
602 SD_cid->ProdName1 |= CID_Tab[4] << 16;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
603
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
604 /*!< Byte 5 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
605 SD_cid->ProdName1 |= CID_Tab[5] << 8;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
606
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
607 /*!< Byte 6 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
608 SD_cid->ProdName1 |= CID_Tab[6];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
609
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
610 /*!< Byte 7 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
611 SD_cid->ProdName2 = CID_Tab[7];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
612
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
613 /*!< Byte 8 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
614 SD_cid->ProdRev = CID_Tab[8];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
615
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
616 /*!< Byte 9 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
617 SD_cid->ProdSN = CID_Tab[9] << 24;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
618
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
619 /*!< Byte 10 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
620 SD_cid->ProdSN |= CID_Tab[10] << 16;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
621
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
622 /*!< Byte 11 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
623 SD_cid->ProdSN |= CID_Tab[11] << 8;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
624
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
625 /*!< Byte 12 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
626 SD_cid->ProdSN |= CID_Tab[12];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
627
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
628 /*!< Byte 13 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
629 SD_cid->Reserved1 |= (CID_Tab[13] & 0xF0) >> 4;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
630 SD_cid->ManufactDate = (CID_Tab[13] & 0x0F) << 8;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
631
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
632 /*!< Byte 14 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
633 SD_cid->ManufactDate |= CID_Tab[14];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
634
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
635 /*!< Byte 15 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
636 SD_cid->CID_CRC = (CID_Tab[15] & 0xFE) >> 1;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
637 SD_cid->Reserved2 = 1;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
638
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
639 /*!< Return the reponse */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
640 return rvalue;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
641 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
642
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
643 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
644 * @brief Send 5 bytes command to the SD card.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
645 * @param Cmd: The user expected command to send to SD card.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
646 * @param Arg: The command argument.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
647 * @param Crc: The CRC.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
648 * @retval None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
649 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
650 void SD_SendCmd(uint8_t Cmd, uint32_t Arg, uint8_t Crc)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
651 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
652 uint32_t i = 0x00;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
653
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
654 uint8_t Frame[6];
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
655
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
656 Frame[0] = (Cmd | 0x40); /*!< Construct byte 1 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
657
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
658 Frame[1] = (uint8_t)(Arg >> 24); /*!< Construct byte 2 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
659
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
660 Frame[2] = (uint8_t)(Arg >> 16); /*!< Construct byte 3 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
661
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
662 Frame[3] = (uint8_t)(Arg >> 8); /*!< Construct byte 4 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
663
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
664 Frame[4] = (uint8_t)(Arg); /*!< Construct byte 5 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
665
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
666 Frame[5] = (Crc); /*!< Construct CRC: byte 6 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
667
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
668 for (i = 0; i < 6; i++)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
669 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
670 SD_WriteByte(Frame[i]); /*!< Send the Cmd bytes */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
671 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
672 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
673
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
674 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
675 * @brief Get SD card data response.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
676 * @param None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
677 * @retval The SD status: Read data response xxx0<status>1
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
678 * - status 010: Data accecpted
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
679 * - status 101: Data rejected due to a crc error
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
680 * - status 110: Data rejected due to a Write error.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
681 * - status 111: Data rejected due to other error.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
682 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
683 uint8_t SD_GetDataResponse(void)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
684 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
685 uint32_t i = 0;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
686 uint8_t response, rvalue;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
687
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
688 while (i <= 64)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
689 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
690 /*!< Read resonse */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
691 response = SD_ReadByte();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
692 /*!< Mask unused bits */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
693 response &= 0x1F;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
694 switch (response)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
695 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
696 case SD_DATA_OK:
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
697 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
698 rvalue = SD_DATA_OK;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
699 break;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
700 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
701 case SD_DATA_CRC_ERROR:
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
702 return SD_DATA_CRC_ERROR;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
703 case SD_DATA_WRITE_ERROR:
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
704 return SD_DATA_WRITE_ERROR;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
705 default:
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
706 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
707 rvalue = SD_DATA_OTHER_ERROR;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
708 break;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
709 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
710 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
711 /*!< Exit loop in case of data ok */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
712 if (rvalue == SD_DATA_OK)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
713 break;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
714 /*!< Increment loop counter */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
715 i++;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
716 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
717
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
718 /*!< Wait null data */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
719 while (SD_ReadByte() == 0);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
720
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
721 /*!< Return response */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
722 return response;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
723 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
724
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
725 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
726 * @brief Returns the SD response.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
727 * @param None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
728 * @retval The SD Response:
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
729 * - SD_RESPONSE_FAILURE: Sequence failed
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
730 * - SD_RESPONSE_NO_ERROR: Sequence succeed
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
731 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
732 SD_Error SD_GetResponse(uint8_t Response)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
733 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
734 uint32_t Count = 0xFFF;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
735
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
736 /*!< Check if response is got or a timeout is happen */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
737 while ((SD_ReadByte() != Response) && Count)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
738 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
739 Count--;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
740 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
741 if (Count == 0)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
742 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
743 /*!< After time out */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
744 return SD_RESPONSE_FAILURE;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
745 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
746 else
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
747 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
748 /*!< Right response got */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
749 return SD_RESPONSE_NO_ERROR;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
750 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
751 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
752
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
753 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
754 * @brief Returns the SD status.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
755 * @param None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
756 * @retval The SD status.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
757 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
758 uint16_t SD_GetStatus(void)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
759 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
760 uint16_t Status = 0;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
761
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
762 /*!< SD chip select low */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
763 SD_CS_LOW();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
764
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
765 /*!< Send CMD13 (SD_SEND_STATUS) to get SD status */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
766 SD_SendCmd(SD_CMD_SEND_STATUS, 0, 0xFF);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
767
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
768 Status = SD_ReadByte();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
769 Status |= (uint16_t)(SD_ReadByte() << 8);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
770
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
771 /*!< SD chip select high */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
772 SD_CS_HIGH();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
773
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
774 /*!< Send dummy byte 0xFF */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
775 SD_WriteByte(SD_DUMMY_BYTE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
776
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
777 return Status;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
778 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
779
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
780 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
781 * @brief Put SD in Idle state.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
782 * @param None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
783 * @retval The SD Response:
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
784 * - SD_RESPONSE_FAILURE: Sequence failed
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
785 * - SD_RESPONSE_NO_ERROR: Sequence succeed
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
786 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
787 SD_Error SD_GoIdleState(void)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
788 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
789 /*!< SD chip select low */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
790 SD_CS_LOW();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
791
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
792 /*!< Send CMD0 (SD_CMD_GO_IDLE_STATE) to put SD in SPI mode */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
793 SD_SendCmd(SD_CMD_GO_IDLE_STATE, 0, 0x95);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
794
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
795 /*!< Wait for In Idle State Response (R1 Format) equal to 0x01 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
796 if (SD_GetResponse(SD_IN_IDLE_STATE))
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
797 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
798 /*!< No Idle State Response: return response failue */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
799 return SD_RESPONSE_FAILURE;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
800 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
801 /*----------Activates the card initialization process-----------*/
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
802 do
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
803 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
804 /*!< SD chip select high */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
805 SD_CS_HIGH();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
806
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
807 /*!< Send Dummy byte 0xFF */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
808 SD_WriteByte(SD_DUMMY_BYTE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
809
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
810 /*!< SD chip select low */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
811 SD_CS_LOW();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
812
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
813 /*!< Send CMD1 (Activates the card process) until response equal to 0x0 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
814 SD_SendCmd(SD_CMD_SEND_OP_COND, 0, 0xFF);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
815 /*!< Wait for no error Response (R1 Format) equal to 0x00 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
816 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
817 while (SD_GetResponse(SD_RESPONSE_NO_ERROR));
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
818
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
819 /*!< SD chip select high */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
820 SD_CS_HIGH();
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
821
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
822 /*!< Send dummy byte 0xFF */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
823 SD_WriteByte(SD_DUMMY_BYTE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
824
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
825 return SD_RESPONSE_NO_ERROR;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
826 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
827
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
828 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
829 * @brief Write a byte on the SD.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
830 * @param Data: byte to send.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
831 * @retval None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
832 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
833 uint8_t SD_WriteByte(uint8_t Data)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
834 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
835 /*!< Wait until the transmit buffer is empty */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
836 while(SPI_I2S_GetFlagStatus(SD_SPI, SPI_I2S_FLAG_TXE) == RESET)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
837 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
838 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
839
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
840 /*!< Send the byte */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
841 SPI_I2S_SendData(SD_SPI, Data);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
842
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
843 /*!< Wait to receive a byte*/
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
844 while(SPI_I2S_GetFlagStatus(SD_SPI, SPI_I2S_FLAG_RXNE) == RESET)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
845 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
846 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
847
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
848 /*!< Return the byte read from the SPI bus */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
849 return SPI_I2S_ReceiveData(SD_SPI);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
850 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
851
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
852 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
853 * @brief Read a byte from the SD.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
854 * @param None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
855 * @retval The received byte.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
856 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
857 uint8_t SD_ReadByte(void)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
858 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
859 uint8_t Data = 0;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
860
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
861 /*!< Wait until the transmit buffer is empty */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
862 while (SPI_I2S_GetFlagStatus(SD_SPI, SPI_I2S_FLAG_TXE) == RESET)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
863 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
864 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
865 /*!< Send the byte */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
866 SPI_I2S_SendData(SD_SPI, SD_DUMMY_BYTE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
867
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
868 /*!< Wait until a data is received */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
869 while (SPI_I2S_GetFlagStatus(SD_SPI, SPI_I2S_FLAG_RXNE) == RESET)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
870 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
871 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
872 /*!< Get the received data */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
873 Data = SPI_I2S_ReceiveData(SD_SPI);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
874
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
875 /*!< Return the shifted data */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
876 return Data;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
877 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
878
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
879 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
880 * @}
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
881 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
882
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
883
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
884 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
885 * @}
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
886 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
887
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
888
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
889 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
890 * @}
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
891 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
892
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
893 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
894 * @}
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
895 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
896
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
897 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
898 * @}
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
899 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
900
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
901 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/