annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32L152_EVAL/stm32l152_eval.c @ 48:2f336d212c74

Ignore more emacs crap.
author Daniel O'Connor <darius@dons.net.au>
date Wed, 03 Apr 2013 23:33:47 +1030
parents c59513fd84fb
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32l152_eval.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:
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8 * - set of firmware functions to manage Leds, push-button and COM ports
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9 * - low level initialization functions for SD card (on SPI) and
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10 * temperature sensor (LM75) available on STM32L152-EVAL
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11 * evaluation board RevB from STMicroelectronics.
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12 ******************************************************************************
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13 * @attention
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14 *
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15 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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16 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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17 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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18 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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19 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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20 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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21 *
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22 * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
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23 ******************************************************************************
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24 */
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25
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26 /* Includes ------------------------------------------------------------------*/
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27 #include "stm32l152_eval.h"
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28 #include "stm32l1xx_spi.h"
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29 #include "stm32l1xx_i2c.h"
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30
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31 /** @addtogroup Utilities
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32 * @{
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33 */
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34
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35 /** @addtogroup STM32_EVAL
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36 * @{
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37 */
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38
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39 /** @addtogroup STM32L152_EVAL
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40 * @{
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41 */
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42
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43 /** @defgroup STM32L152_EVAL_LOW_LEVEL
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44 * @brief This file provides firmware functions to manage Leds, push-buttons,
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45 * COM ports, SD card on SPI and temperature sensor (LM75) available on
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46 * STM32L152-EVAL evaluation board from STMicroelectronics.
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47 * @{
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48 */
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49
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50 /** @defgroup STM32L152_EVAL_LOW_LEVEL_Private_TypesDefinitions
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51 * @{
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52 */
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53 /**
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54 * @}
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55 */
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56
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57
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58 /** @defgroup STM32L152_EVAL_LOW_LEVEL_Private_Defines
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59 * @{
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60 */
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61 /**
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62 * @}
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63 */
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64
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65
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66 /** @defgroup STM32L152_EVAL_LOW_LEVEL_Private_Macros
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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 STM32L152_EVAL_LOW_LEVEL_Private_Variables
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75 * @{
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76 */
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77 GPIO_TypeDef* GPIO_PORT[LEDn] = {LED1_GPIO_PORT, LED2_GPIO_PORT, LED3_GPIO_PORT,
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78 LED4_GPIO_PORT};
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79 const uint16_t GPIO_PIN[LEDn] = {LED1_PIN, LED2_PIN, LED3_PIN,
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80 LED4_PIN};
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81 const uint32_t GPIO_CLK[LEDn] = {LED1_GPIO_CLK, LED2_GPIO_CLK, LED3_GPIO_CLK,
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82 LED4_GPIO_CLK};
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83
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84 GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {KEY_BUTTON_GPIO_PORT, RIGHT_BUTTON_GPIO_PORT,
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85 LEFT_BUTTON_GPIO_PORT, UP_BUTTON_GPIO_PORT,
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86 DOWN_BUTTON_GPIO_PORT, SEL_BUTTON_GPIO_PORT};
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87
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88 const uint16_t BUTTON_PIN[BUTTONn] = {KEY_BUTTON_PIN, RIGHT_BUTTON_PIN,
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89 LEFT_BUTTON_PIN, UP_BUTTON_PIN,
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90 DOWN_BUTTON_PIN, SEL_BUTTON_PIN};
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91
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92 const uint32_t BUTTON_CLK[BUTTONn] = {KEY_BUTTON_GPIO_CLK, RIGHT_BUTTON_GPIO_CLK,
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93 LEFT_BUTTON_GPIO_CLK, UP_BUTTON_GPIO_CLK,
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94 DOWN_BUTTON_GPIO_CLK, SEL_BUTTON_GPIO_CLK};
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95
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96 const uint16_t BUTTON_EXTI_LINE[BUTTONn] = {KEY_BUTTON_EXTI_LINE,
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97 RIGHT_BUTTON_EXTI_LINE,
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98 LEFT_BUTTON_EXTI_LINE,
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99 UP_BUTTON_EXTI_LINE,
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100 DOWN_BUTTON_EXTI_LINE,
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101 SEL_BUTTON_EXTI_LINE};
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102
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103 const uint16_t BUTTON_PORT_SOURCE[BUTTONn] = {KEY_BUTTON_EXTI_PORT_SOURCE,
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104 RIGHT_BUTTON_EXTI_PORT_SOURCE,
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105 LEFT_BUTTON_EXTI_PORT_SOURCE,
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106 UP_BUTTON_EXTI_PORT_SOURCE,
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107 DOWN_BUTTON_EXTI_PORT_SOURCE,
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108 SEL_BUTTON_EXTI_PORT_SOURCE};
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109
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110 const uint16_t BUTTON_PIN_SOURCE[BUTTONn] = {KEY_BUTTON_EXTI_PIN_SOURCE,
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111 RIGHT_BUTTON_EXTI_PIN_SOURCE,
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112 LEFT_BUTTON_EXTI_PIN_SOURCE,
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113 UP_BUTTON_EXTI_PIN_SOURCE,
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114 DOWN_BUTTON_EXTI_PIN_SOURCE,
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115 SEL_BUTTON_EXTI_PIN_SOURCE};
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116
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117 const uint16_t BUTTON_IRQn[BUTTONn] = {KEY_BUTTON_EXTI_IRQn, RIGHT_BUTTON_EXTI_IRQn,
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118 LEFT_BUTTON_EXTI_IRQn, UP_BUTTON_EXTI_IRQn,
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119 DOWN_BUTTON_EXTI_IRQn, SEL_BUTTON_EXTI_IRQn};
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120
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121 USART_TypeDef* COM_USART[COMn] = {EVAL_COM1, EVAL_COM2};
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122
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123 GPIO_TypeDef* COM_TX_PORT[COMn] = {EVAL_COM1_TX_GPIO_PORT, EVAL_COM2_TX_GPIO_PORT};
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124
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125 GPIO_TypeDef* COM_RX_PORT[COMn] = {EVAL_COM1_RX_GPIO_PORT, EVAL_COM2_RX_GPIO_PORT};
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126
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127 const uint32_t COM_USART_CLK[COMn] = {EVAL_COM1_CLK, EVAL_COM2_CLK};
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128
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129 const uint32_t COM_TX_PORT_CLK[COMn] = {EVAL_COM1_TX_GPIO_CLK, EVAL_COM2_TX_GPIO_CLK};
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130
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131 const uint32_t COM_RX_PORT_CLK[COMn] = {EVAL_COM1_RX_GPIO_CLK, EVAL_COM2_RX_GPIO_CLK};
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132
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133 const uint16_t COM_TX_PIN[COMn] = {EVAL_COM1_TX_PIN, EVAL_COM2_TX_PIN};
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134
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135 const uint16_t COM_RX_PIN[COMn] = {EVAL_COM1_RX_PIN, EVAL_COM2_RX_PIN};
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136
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137 const uint16_t COM_TX_PIN_SOURCE[COMn] = {EVAL_COM1_TX_SOURCE, EVAL_COM2_TX_SOURCE};
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138
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139 const uint16_t COM_RX_PIN_SOURCE[COMn] = {EVAL_COM1_RX_SOURCE, EVAL_COM2_RX_SOURCE};
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140
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141 const uint16_t COM_TX_AF[COMn] = {EVAL_COM1_TX_AF, EVAL_COM2_TX_AF};
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142
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143 const uint16_t COM_RX_AF[COMn] = {EVAL_COM1_RX_AF, EVAL_COM2_RX_AF};
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144
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145 DMA_InitTypeDef sEEDMA_InitStructure;
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146
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147 /**
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148 * @}
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149 */
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150
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151
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152 /** @defgroup STM32L152_EVAL_LOW_LEVEL_Private_FunctionPrototypes
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153 * @{
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154 */
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155
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156 /**
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157 * @}
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158 */
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159
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160 /** @defgroup STM32L152_EVAL_LOW_LEVEL_Private_Functions
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161 * @{
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162 */
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163
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164 /**
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165 * @brief Configures LED GPIO.
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166 * @param Led: Specifies the Led to be configured.
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167 * This parameter can be one of following parameters:
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168 * @arg LED1
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169 * @arg LED2
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170 * @arg LED3
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171 * @arg LED4
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172 * @retval None
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173 */
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174 void STM_EVAL_LEDInit(Led_TypeDef Led)
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175 {
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176 GPIO_InitTypeDef GPIO_InitStructure;
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177
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178 /* Enable the GPIO_LED Clock */
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179 RCC_AHBPeriphClockCmd(GPIO_CLK[Led], ENABLE);
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180
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181 /* Configure the GPIO_LED pin */
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182 GPIO_InitStructure.GPIO_Pin = GPIO_PIN[Led];
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183 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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184 GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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185 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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186 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
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187 GPIO_Init(GPIO_PORT[Led], &GPIO_InitStructure);
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188 GPIO_PORT[Led]->BSRRL = GPIO_PIN[Led];
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189 }
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190
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191 /**
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192 * @brief Turns selected LED On.
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193 * @param Led: Specifies the Led to be set on.
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194 * This parameter can be one of following parameters:
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195 * @arg LED1
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196 * @arg LED2
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197 * @arg LED3
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198 * @arg LED4
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199 * @retval None
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200 */
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201 void STM_EVAL_LEDOn(Led_TypeDef Led)
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202 {
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203 GPIO_PORT[Led]->BSRRH = GPIO_PIN[Led];
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204 }
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205
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206 /**
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207 * @brief Turns selected LED Off.
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208 * @param Led: Specifies the Led to be set off.
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209 * This parameter can be one of following parameters:
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210 * @arg LED1
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211 * @arg LED2
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212 * @arg LED3
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213 * @arg LED4
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214 * @retval None
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215 */
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216 void STM_EVAL_LEDOff(Led_TypeDef Led)
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217 {
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218 GPIO_PORT[Led]->BSRRL = GPIO_PIN[Led];
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219 }
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220
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221 /**
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222 * @brief Toggles the selected LED.
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223 * @param Led: Specifies the Led to be toggled.
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224 * This parameter can be one of following parameters:
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225 * @arg LED1
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226 * @arg LED2
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227 * @arg LED3
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228 * @arg LED4
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229 * @retval None
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230 */
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231 void STM_EVAL_LEDToggle(Led_TypeDef Led)
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232 {
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233 GPIO_PORT[Led]->ODR ^= GPIO_PIN[Led];
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234 }
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235
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236 /**
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237 * @brief Configures Button GPIO and EXTI Line.
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238 * @param Button: Specifies the Button to be configured.
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239 * This parameter can be one of following parameters:
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240 * @arg BUTTON_KEY: Key Push Button
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241 * @arg BUTTON_RIGHT: Joystick Right Push Button
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242 * @arg BUTTON_LEFT: Joystick Left Push Button
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243 * @arg BUTTON_UP: Joystick Up Push Button
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244 * @arg BUTTON_DOWN: Joystick Down Push Button
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245 * @arg BUTTON_SEL: Joystick Sel Push Button
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246 * @param Button_Mode: Specifies Button mode.
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247 * This parameter can be one of following parameters:
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248 * @arg BUTTON_MODE_GPIO: Button will be used as simple IO
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249 * @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt
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250 * generation capability
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251 * @retval None
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252 */
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253 void STM_EVAL_PBInit(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode)
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254 {
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255 GPIO_InitTypeDef GPIO_InitStructure;
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256 EXTI_InitTypeDef EXTI_InitStructure;
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257 NVIC_InitTypeDef NVIC_InitStructure;
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258
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259 /* There is no Wakeup and Tamper buttons on STM32L152-EVAL, the Button value should
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260 be greater than 1. */
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261 if(Button > 1)
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262 {
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263 Button = (Button_TypeDef) (Button - 2);
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264
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265 /* Enable the BUTTON Clock */
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266 RCC_AHBPeriphClockCmd(BUTTON_CLK[Button], ENABLE);
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267 RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
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268
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269 /* Configure Button pin as input */
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270 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
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271 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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272 GPIO_InitStructure.GPIO_Pin = BUTTON_PIN[Button];
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273 GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStructure);
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274
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275
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276 if (Button_Mode == BUTTON_MODE_EXTI)
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277 {
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278 /* Connect Button EXTI Line to Button GPIO Pin */
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279 SYSCFG_EXTILineConfig(BUTTON_PORT_SOURCE[Button], BUTTON_PIN_SOURCE[Button]);
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280
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281 /* Configure Button EXTI line */
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282 EXTI_InitStructure.EXTI_Line = BUTTON_EXTI_LINE[Button];
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283 EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
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284
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285 if(Button != BUTTON_KEY)
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286 {
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287 EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
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288 }
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289 else
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290 {
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291 EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
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292 }
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293 EXTI_InitStructure.EXTI_LineCmd = ENABLE;
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294 EXTI_Init(&EXTI_InitStructure);
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295
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296 /* Enable and set Button EXTI Interrupt to the lowest priority */
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297 NVIC_InitStructure.NVIC_IRQChannel = BUTTON_IRQn[Button];
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298 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
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299 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
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300 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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diff changeset
301
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diff changeset
302 NVIC_Init(&NVIC_InitStructure);
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diff changeset
303 }
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parents:
diff changeset
304 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
305 }
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diff changeset
306
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
307 /**
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diff changeset
308 * @brief Returns the selected Button state.
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diff changeset
309 * @param Button: Specifies the Button to be checked.
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diff changeset
310 * This parameter can be one of following parameters:
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311 * @arg BUTTON_KEY: Key Push Button
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diff changeset
312 * @arg BUTTON_RIGHT: Joystick Right Push Button
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diff changeset
313 * @arg BUTTON_LEFT: Joystick Left Push Button
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314 * @arg BUTTON_UP: Joystick Up Push Button
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diff changeset
315 * @arg BUTTON_DOWN: Joystick Down Push Button
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diff changeset
316 * @arg BUTTON_SEL: Joystick Sel Push Button
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317 * @retval - When Button > 1, the Button GPIO pin value is returned.
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318 * - When Button = 0 or 1, error code (0xFF) is returned.
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319 */
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320 uint32_t STM_EVAL_PBGetState(Button_TypeDef Button)
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diff changeset
321 {
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322 /* There is no Wakeup and Tamper pins on STM32L152-EVAL, the Button value should
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323 be greater than 1. */
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324 if(Button > 1)
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325 {
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326 Button = (Button_TypeDef) (Button - 2);
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327 return GPIO_ReadInputDataBit(BUTTON_PORT[Button], BUTTON_PIN[Button]);
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328 }
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329 else
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330 {
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331 return 0xFF; /* Error Code */
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332 }
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333 }
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334
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335 /**
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336 * @brief Configures COM port.
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337 * @param COM: Specifies the COM port to be configured.
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338 * This parameter can be one of following parameters:
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339 * @arg COM1
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diff changeset
340 * @arg COM2
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341 * @param USART_InitStruct: pointer to a USART_InitTypeDef structure that
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342 * contains the configuration information for the specified USART peripheral.
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343 * @retval None
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344 */
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345 void STM_EVAL_COMInit(COM_TypeDef COM, USART_InitTypeDef* USART_InitStruct)
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346 {
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347 GPIO_InitTypeDef GPIO_InitStructure;
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348
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diff changeset
349 /* Enable GPIO clock */
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350 RCC_AHBPeriphClockCmd(COM_TX_PORT_CLK[COM] | COM_RX_PORT_CLK[COM], ENABLE);
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351
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diff changeset
352 /* Enable UART clock */
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353 RCC_APB1PeriphClockCmd(COM_USART_CLK[COM], ENABLE);
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354
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diff changeset
355 /* Connect PXx to USARTx_Tx */
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356 GPIO_PinAFConfig(COM_TX_PORT[COM], COM_TX_PIN_SOURCE[COM], COM_TX_AF[COM]);
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357
c59513fd84fb Initial commit of STM32 test code.
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diff changeset
358 /* Connect PXx to USARTx_Rx */
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359 GPIO_PinAFConfig(COM_RX_PORT[COM], COM_RX_PIN_SOURCE[COM], COM_RX_AF[COM]);
c59513fd84fb Initial commit of STM32 test code.
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diff changeset
360
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diff changeset
361 /* Configure USART Tx as alternate function push-pull */
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362 GPIO_InitStructure.GPIO_Pin = COM_TX_PIN[COM];
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diff changeset
363 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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diff changeset
364 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
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diff changeset
365 GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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diff changeset
366 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
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diff changeset
367 GPIO_Init(COM_TX_PORT[COM], &GPIO_InitStructure);
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diff changeset
368
c59513fd84fb Initial commit of STM32 test code.
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diff changeset
369 /* Configure USART Rx as alternate function push-pull */
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370 GPIO_InitStructure.GPIO_Pin = COM_RX_PIN[COM];
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diff changeset
371 GPIO_Init(COM_RX_PORT[COM], &GPIO_InitStructure);
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diff changeset
372
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diff changeset
373 /* USART configuration */
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374 USART_Init(COM_USART[COM], USART_InitStruct);
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diff changeset
375
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diff changeset
376 /* Enable USART */
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diff changeset
377 USART_Cmd(COM_USART[COM], ENABLE);
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diff changeset
378 }
c59513fd84fb Initial commit of STM32 test code.
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diff changeset
379
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
380 /**
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parents:
diff changeset
381 * @brief DeInitializes the SPI interface.
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parents:
diff changeset
382 * @param None
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diff changeset
383 * @retval None
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parents:
diff changeset
384 */
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diff changeset
385 void SD_LowLevel_DeInit(void)
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diff changeset
386 {
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diff changeset
387 GPIO_InitTypeDef GPIO_InitStructure;
c59513fd84fb Initial commit of STM32 test code.
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diff changeset
388
c59513fd84fb Initial commit of STM32 test code.
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diff changeset
389 SPI_Cmd(SD_SPI, DISABLE); /*!< SD_SPI disable */
c59513fd84fb Initial commit of STM32 test code.
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diff changeset
390 SPI_DeInit(SD_SPI); /*!< DeInitializes the SD_SPI */
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
391
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
392 /*!< SD_SPI Periph clock disable */
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diff changeset
393 RCC_APB1PeriphClockCmd(SD_SPI_CLK, DISABLE);
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
394
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
395 /*!< Configure SD_SPI pins: SCK */
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diff changeset
396 GPIO_InitStructure.GPIO_Pin = SD_SPI_SCK_PIN;
c59513fd84fb Initial commit of STM32 test code.
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diff changeset
397 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
c59513fd84fb Initial commit of STM32 test code.
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diff changeset
398 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
399 GPIO_Init(SD_SPI_SCK_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
400
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
401 /*!< Configure SD_SPI pins: MISO */
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
402 GPIO_InitStructure.GPIO_Pin = SD_SPI_MISO_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
403 GPIO_Init(SD_SPI_MISO_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
404
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
405 /*!< Configure SD_SPI pins: MOSI */
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
406 GPIO_InitStructure.GPIO_Pin = SD_SPI_MOSI_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
407 GPIO_Init(SD_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
408
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
409 /*!< Configure SD_SPI_CS_PIN pin: SD Card CS pin */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
410 GPIO_InitStructure.GPIO_Pin = SD_CS_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
411 GPIO_Init(SD_CS_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
412
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
413 /*!< Configure SD_SPI_DETECT_PIN pin: SD Card detect pin */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
414 GPIO_InitStructure.GPIO_Pin = SD_DETECT_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
415 GPIO_Init(SD_DETECT_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
416 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
417
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
418 /**
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
419 * @brief Initializes the SD Card and put it into StandBy State (Ready for
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
420 * data transfer).
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
421 * @param None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
422 * @retval None
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
423 */
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parents:
diff changeset
424 void SD_LowLevel_Init(void)
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
425 {
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parents:
diff changeset
426 GPIO_InitTypeDef GPIO_InitStructure;
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
427 SPI_InitTypeDef SPI_InitStructure;
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
428
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
429 /*!< SD_SPI_CS_GPIO, SD_SPI_MOSI_GPIO, SD_SPI_MISO_GPIO, SD_SPI_DETECT_GPIO
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
430 and SD_SPI_SCK_GPIO Periph clock enable */
c59513fd84fb Initial commit of STM32 test code.
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diff changeset
431 RCC_AHBPeriphClockCmd(SD_CS_GPIO_CLK | SD_SPI_MOSI_GPIO_CLK | SD_SPI_MISO_GPIO_CLK |
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
432 SD_SPI_SCK_GPIO_CLK | SD_DETECT_GPIO_CLK, ENABLE);
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
433
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
434 /*!< SD_SPI Periph clock enable */
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
435 RCC_APB1PeriphClockCmd(SD_SPI_CLK, ENABLE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
436
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
437 /*!< Configure SD_SPI pins: SCK */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
438 GPIO_InitStructure.GPIO_Pin = SD_SPI_SCK_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
439 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
440 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
441 GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
442 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
c59513fd84fb Initial commit of STM32 test code.
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parents:
diff changeset
443 GPIO_Init(SD_SPI_SCK_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
444
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
445 /*!< Configure SD_SPI pins: MISO */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
446 GPIO_InitStructure.GPIO_Pin = SD_SPI_MISO_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
447 GPIO_Init(SD_SPI_MISO_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
448
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
449 /*!< Configure SD_SPI pins: MOSI */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
450 GPIO_InitStructure.GPIO_Pin = SD_SPI_MOSI_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
451 GPIO_Init(SD_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure);
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 /*!< Configure SD_SPI_CS_PIN pin: SD Card CS pin */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
454 GPIO_InitStructure.GPIO_Pin = SD_CS_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
455 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
456 GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
457 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
458 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
459 GPIO_Init(SD_CS_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
460
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
461 /*!< Configure SD_SPI_DETECT_PIN pin: SD Card detect pin */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
462 GPIO_InitStructure.GPIO_Pin = SD_DETECT_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
463 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
464 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
465 GPIO_Init(SD_DETECT_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
466
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
467 /* Connect PXx to SD_SPI_SCK */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
468 GPIO_PinAFConfig(SD_SPI_SCK_GPIO_PORT, SD_SPI_SCK_SOURCE, SD_SPI_SCK_AF);
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 /* Connect PXx to SD_SPI_MISO */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
471 GPIO_PinAFConfig(SD_SPI_MISO_GPIO_PORT, SD_SPI_MISO_SOURCE, SD_SPI_MISO_AF);
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 /* Connect PXx to SD_SPI_MOSI */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
474 GPIO_PinAFConfig(SD_SPI_MOSI_GPIO_PORT, SD_SPI_MOSI_SOURCE, SD_SPI_MOSI_AF);
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 /*!< SD_SPI Config */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
477 SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
478 SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
479 SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
480 SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
481 SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
482 SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
483 SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
484
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
485 SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
486 SPI_InitStructure.SPI_CRCPolynomial = 7;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
487 SPI_Init(SD_SPI, &SPI_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
488
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
489 SPI_Cmd(SD_SPI, ENABLE); /*!< SD_SPI enable */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
490 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
491
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 * @brief DeInitializes the LM75_I2C.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
494 * @param None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
495 * @retval None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
496 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
497 void LM75_LowLevel_DeInit(void)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
498 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
499 GPIO_InitTypeDef GPIO_InitStructure;
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 /*!< Disable LM75_I2C */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
502 I2C_Cmd(LM75_I2C, DISABLE);
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 /*!< DeInitializes the LM75_I2C */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
505 I2C_DeInit(LM75_I2C);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
506
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
507 /*!< LM75_I2C Periph clock disable */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
508 RCC_APB1PeriphClockCmd(LM75_I2C_CLK, DISABLE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
509
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
510 /*!< Configure LM75_I2C pins: SCL */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
511 GPIO_InitStructure.GPIO_Pin = LM75_I2C_SCL_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
512 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
513 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
514 GPIO_Init(LM75_I2C_SCL_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
515
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
516 /*!< Configure LM75_I2C pins: SDA */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
517 GPIO_InitStructure.GPIO_Pin = LM75_I2C_SDA_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
518 GPIO_Init(LM75_I2C_SDA_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
519
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
520 /*!< Configure LM75_I2C pin: SMBUS ALERT */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
521 GPIO_InitStructure.GPIO_Pin = LM75_I2C_SMBUSALERT_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
522 GPIO_Init(LM75_I2C_SMBUSALERT_GPIO_PORT, &GPIO_InitStructure);
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
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
525 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
526 * @brief Initializes the LM75_I2C.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
527 * @param None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
528 * @retval None
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 void LM75_LowLevel_Init(void)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
531 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
532 GPIO_InitTypeDef GPIO_InitStructure;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
533
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
534 /*!< LM75_I2C Periph clock enable */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
535 RCC_APB1PeriphClockCmd(LM75_I2C_CLK, ENABLE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
536
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
537 /*!< LM75_I2C_SCL_GPIO_CLK, LM75_I2C_SDA_GPIO_CLK
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
538 and LM75_I2C_SMBUSALERT_GPIO_CLK Periph clock enable */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
539 RCC_AHBPeriphClockCmd(LM75_I2C_SCL_GPIO_CLK | LM75_I2C_SDA_GPIO_CLK |
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
540 LM75_I2C_SMBUSALERT_GPIO_CLK, ENABLE);
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 /*!< Configure LM75_I2C pins: SCL */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
543 GPIO_InitStructure.GPIO_Pin = LM75_I2C_SCL_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
544 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
545 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
546 GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
547 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
548 GPIO_Init(LM75_I2C_SCL_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
549
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
550 /*!< Configure LM75_I2C pins: SDA */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
551 GPIO_InitStructure.GPIO_Pin = LM75_I2C_SDA_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
552 GPIO_Init(LM75_I2C_SDA_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
553
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
554 /*!< Configure LM75_I2C pin: SMBUS ALERT */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
555 GPIO_InitStructure.GPIO_Pin = LM75_I2C_SMBUSALERT_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
556 GPIO_Init(LM75_I2C_SMBUSALERT_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
557
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
558
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
559 /* Connect PXx to I2C_SCL */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
560 GPIO_PinAFConfig(LM75_I2C_SCL_GPIO_PORT, LM75_I2C_SCL_SOURCE, LM75_I2C_SCL_AF);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
561
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
562 /* Connect PXx to I2C_SDA */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
563 GPIO_PinAFConfig(LM75_I2C_SDA_GPIO_PORT, LM75_I2C_SDA_SOURCE, LM75_I2C_SDA_AF);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
564
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
565 /* Connect PXx to I2C_SMBUSALER */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
566 GPIO_PinAFConfig(LM75_I2C_SMBUSALERT_GPIO_PORT, LM75_I2C_SMBUSALERT_SOURCE, LM75_I2C_SMBUSALERT_AF);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
567 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
568
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 * @brief DeInitializes peripherals used by the I2C EEPROM driver.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
571 * @param None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
572 * @retval None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
573 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
574 void sEE_LowLevel_DeInit(void)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
575 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
576 GPIO_InitTypeDef GPIO_InitStructure;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
577 NVIC_InitTypeDef NVIC_InitStructure;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
578
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
579 /* sEE_I2C Peripheral Disable */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
580 I2C_Cmd(sEE_I2C, DISABLE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
581
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
582 /* sEE_I2C DeInit */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
583 I2C_DeInit(sEE_I2C);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
584
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
585 /*!< sEE_I2C Periph clock disable */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
586 RCC_APB1PeriphClockCmd(sEE_I2C_CLK, DISABLE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
587
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
588 /*!< GPIO configuration */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
589 /*!< Configure sEE_I2C pins: SCL */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
590 GPIO_InitStructure.GPIO_Pin = sEE_I2C_SCL_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
591 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
592 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
593 GPIO_Init(sEE_I2C_SCL_GPIO_PORT, &GPIO_InitStructure);
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 /*!< Configure sEE_I2C pins: SDA */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
596 GPIO_InitStructure.GPIO_Pin = sEE_I2C_SDA_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
597 GPIO_Init(sEE_I2C_SDA_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
598
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
599 /* Configure and enable I2C DMA TX Channel interrupt */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
600 NVIC_InitStructure.NVIC_IRQChannel = sEE_I2C_DMA_TX_IRQn;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
601 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = sEE_I2C_DMA_PREPRIO;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
602 NVIC_InitStructure.NVIC_IRQChannelSubPriority = sEE_I2C_DMA_SUBPRIO;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
603 NVIC_InitStructure.NVIC_IRQChannelCmd = DISABLE;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
604 NVIC_Init(&NVIC_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
605
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
606 /* Configure and enable I2C DMA RX Channel interrupt */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
607 NVIC_InitStructure.NVIC_IRQChannel = sEE_I2C_DMA_RX_IRQn;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
608 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = sEE_I2C_DMA_PREPRIO;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
609 NVIC_InitStructure.NVIC_IRQChannelSubPriority = sEE_I2C_DMA_SUBPRIO;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
610 NVIC_Init(&NVIC_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
611
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
612 /* Disable and Deinitialize the DMA channels */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
613 DMA_Cmd(sEE_I2C_DMA_CHANNEL_TX, DISABLE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
614 DMA_Cmd(sEE_I2C_DMA_CHANNEL_RX, DISABLE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
615 DMA_DeInit(sEE_I2C_DMA_CHANNEL_TX);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
616 DMA_DeInit(sEE_I2C_DMA_CHANNEL_RX);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
617 }
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 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
620 * @brief Initializes peripherals used by the I2C EEPROM driver.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
621 * @param None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
622 * @retval None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
623 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
624 void sEE_LowLevel_Init(void)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
625 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
626 GPIO_InitTypeDef GPIO_InitStructure;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
627 NVIC_InitTypeDef NVIC_InitStructure;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
628
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
629 /*!< sEE_I2C Periph clock enable */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
630 RCC_APB1PeriphClockCmd(sEE_I2C_CLK, ENABLE);
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 /*!< sEE_I2C_SCL_GPIO_CLK and sEE_I2C_SDA_GPIO_CLK Periph clock enable */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
633 RCC_AHBPeriphClockCmd(sEE_I2C_SCL_GPIO_CLK | sEE_I2C_SDA_GPIO_CLK, ENABLE);
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 RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
636
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
637 /* Reset sEE_I2C peripheral */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
638 RCC_APB1PeriphResetCmd(sEE_I2C_CLK, ENABLE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
639
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
640 /* Release reset signal of sEE_I2C IP */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
641 RCC_APB1PeriphResetCmd(sEE_I2C_CLK, DISABLE);
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 /*!< GPIO configuration */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
644 /*!< Configure sEE_I2C pins: SCL */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
645 GPIO_InitStructure.GPIO_Pin = sEE_I2C_SCL_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
646 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
647 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
648 GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
649 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
650 GPIO_Init(sEE_I2C_SCL_GPIO_PORT, &GPIO_InitStructure);
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 /*!< Configure sEE_I2C pins: SDA */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
653 GPIO_InitStructure.GPIO_Pin = sEE_I2C_SDA_PIN;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
654 GPIO_Init(sEE_I2C_SDA_GPIO_PORT, &GPIO_InitStructure);
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 /* Connect PXx to I2C_SCL*/
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
657 GPIO_PinAFConfig(sEE_I2C_SCL_GPIO_PORT, sEE_I2C_SCL_SOURCE, sEE_I2C_SCL_AF);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
658
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
659 /* Connect PXx to I2C_SDA*/
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
660 GPIO_PinAFConfig(sEE_I2C_SDA_GPIO_PORT, sEE_I2C_SDA_SOURCE, sEE_I2C_SDA_AF);
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 /* Configure and enable I2C DMA TX Channel interrupt */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
663 NVIC_InitStructure.NVIC_IRQChannel = sEE_I2C_DMA_TX_IRQn;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
664 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = sEE_I2C_DMA_PREPRIO;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
665 NVIC_InitStructure.NVIC_IRQChannelSubPriority = sEE_I2C_DMA_SUBPRIO;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
666 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
667 NVIC_Init(&NVIC_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
668
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
669 /* Configure and enable I2C DMA RX Channel interrupt */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
670 NVIC_InitStructure.NVIC_IRQChannel = sEE_I2C_DMA_RX_IRQn;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
671 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = sEE_I2C_DMA_PREPRIO;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
672 NVIC_InitStructure.NVIC_IRQChannelSubPriority = sEE_I2C_DMA_SUBPRIO;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
673 NVIC_Init(&NVIC_InitStructure);
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 /*!< I2C DMA TX and RX channels configuration */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
676 /* Enable the DMA clock */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
677 RCC_AHBPeriphClockCmd(sEE_I2C_DMA_CLK, ENABLE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
678
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
679 /* I2C TX DMA Channel configuration */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
680 DMA_DeInit(sEE_I2C_DMA_CHANNEL_TX);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
681 sEEDMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)sEE_I2C_DR_Address;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
682 sEEDMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)0; /* This parameter will be configured durig communication */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
683 sEEDMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST; /* This parameter will be configured durig communication */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
684 sEEDMA_InitStructure.DMA_BufferSize = 0xFFFF; /* This parameter will be configured durig communication */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
685 sEEDMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
686 sEEDMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
687 sEEDMA_InitStructure.DMA_PeripheralDataSize = DMA_MemoryDataSize_Byte;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
688 sEEDMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
689 sEEDMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
690 sEEDMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
691 sEEDMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
692 DMA_Init(sEE_I2C_DMA_CHANNEL_TX, &sEEDMA_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
693
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
694 /* I2C RX DMA Channel configuration */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
695 DMA_DeInit(sEE_I2C_DMA_CHANNEL_RX);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
696 DMA_Init(sEE_I2C_DMA_CHANNEL_RX, &sEEDMA_InitStructure);
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 /* Enable the DMA Channels Interrupts */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
699 DMA_ITConfig(sEE_I2C_DMA_CHANNEL_TX, DMA_IT_TC, ENABLE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
700 DMA_ITConfig(sEE_I2C_DMA_CHANNEL_RX, DMA_IT_TC, ENABLE);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
701 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
702
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
703 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
704 * @brief Initializes DMA channel used by the I2C EEPROM driver.
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
705 * @param None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
706 * @retval None
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
707 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
708 void sEE_LowLevel_DMAConfig(uint32_t pBuffer, uint32_t BufferSize, uint32_t Direction)
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 /* Initialize the DMA with the new parameters */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
711 if (Direction == sEE_DIRECTION_TX)
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
712 {
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
713 /* Configure the DMA Tx Channel with the buffer address and the buffer size */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
714 sEEDMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)pBuffer;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
715 sEEDMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
716 sEEDMA_InitStructure.DMA_BufferSize = (uint32_t)BufferSize;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
717 DMA_Init(sEE_I2C_DMA_CHANNEL_TX, &sEEDMA_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
718 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
719 else
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 /* Configure the DMA Rx Channel with the buffer address and the buffer size */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
722 sEEDMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)pBuffer;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
723 sEEDMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
724 sEEDMA_InitStructure.DMA_BufferSize = (uint32_t)BufferSize;
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
725 DMA_Init(sEE_I2C_DMA_CHANNEL_RX, &sEEDMA_InitStructure);
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
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diff changeset
726 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
727 }
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
728
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
729 /**
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
730 * @}
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
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 /**
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 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
737
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 * @}
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
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 * @}
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
744 */
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 /**
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 */
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
749
c59513fd84fb Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
750 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/