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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/Common/stm32_eval_i2c_ee.h @ 89:fc21fb5b171b default tip

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author Daniel O'Connor <darius@dons.net.au>
date Fri, 13 Mar 2015 11:39:59 +1030
parents c59513fd84fb
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1 /**
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2 ******************************************************************************
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3 * @file stm32_eval_i2c_ee.h
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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 contains all the functions prototypes for the stm32_eval_i2c_ee
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8 * firmware driver.
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9 ******************************************************************************
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10 * @attention
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11 *
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12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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18 *
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19 * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
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20 ******************************************************************************
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21 */
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22
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23 /* Define to prevent recursive inclusion -------------------------------------*/
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24 #ifndef __STM32_EVAL_I2C_EE_H
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25 #define __STM32_EVAL_I2C_EE_H
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26
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27 #ifdef __cplusplus
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28 extern "C" {
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29 #endif
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30
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31 /* Includes ------------------------------------------------------------------*/
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32 #include "stm32_eval.h"
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33
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34 /** @addtogroup Utilities
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35 * @{
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36 */
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37
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38 /** @addtogroup STM32_EVAL
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39 * @{
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40 */
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41
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42 /** @addtogroup Common
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43 * @{
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44 */
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45
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46 /** @addtogroup STM32_EVAL_I2C_EE
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47 * @{
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48 */
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49
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50 /** @defgroup STM32_EVAL_I2C_EE_Exported_Types
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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 STM32_EVAL_I2C_EE_Exported_Constants
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59 * @{
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60 */
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61
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62 /* Uncomment this line to use the default start and end of critical section
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63 callbacks (it disables then enabled all interrupts) */
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64 #define USE_DEFAULT_CRITICAL_CALLBACK
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65 /* Start and End of critical section: these callbacks should be typically used
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66 to disable interrupts when entering a critical section of I2C communication
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67 You may use default callbacks provided into this driver by uncommenting the
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68 define USE_DEFAULT_CRITICAL_CALLBACK.
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69 Or you can comment that line and implement these callbacks into your
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70 application */
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71
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72 /* Uncomment the following line to use the default sEE_TIMEOUT_UserCallback()
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73 function implemented in stm32_evel_i2c_ee.c file.
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74 sEE_TIMEOUT_UserCallback() function is called whenever a timeout condition
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75 occure during communication (waiting on an event that doesn't occur, bus
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76 errors, busy devices ...). */
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77 /* #define USE_DEFAULT_TIMEOUT_CALLBACK */
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78
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79 #if !defined (sEE_M24C08) && !defined (sEE_M24C64_32)
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80 /* Use the defines below the choose the EEPROM type */
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81 /* #define sEE_M24C08*/ /* Support the device: M24C08. */
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82 /* note: Could support: M24C01, M24C02, M24C04 and M24C16 if the blocks and
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83 HW address are correctly defined*/
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84 #define sEE_M24C64_32 /* Support the devices: M24C32 and M24C64 */
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85 #endif
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86
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87 #ifdef sEE_M24C64_32
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88 /* For M24C32 and M24C64 devices, E0,E1 and E2 pins are all used for device
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89 address selection (ne need for additional address lines). According to the
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90 Harware connection on the board (on STM3210C-EVAL board E0 = E1 = E2 = 0) */
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91
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92 #define sEE_HW_ADDRESS 0xA0 /* E0 = E1 = E2 = 0 */
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93
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94 #elif defined (sEE_M24C08)
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95 /* The M24C08W contains 4 blocks (128byte each) with the adresses below: E2 = 0
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96 EEPROM Addresses defines */
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97 #define sEE_Block0_ADDRESS 0xA0 /* E2 = 0 */
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98 /*#define sEE_Block1_ADDRESS 0xA2*/ /* E2 = 0 */
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99 /*#define sEE_Block2_ADDRESS 0xA4*/ /* E2 = 0 */
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100 /*#define sEE_Block3_ADDRESS 0xA6*/ /* E2 = 0 */
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101
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102 #endif /* sEE_M24C64_32 */
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103
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104 #define I2C_SPEED 300000
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105 #define I2C_SLAVE_ADDRESS7 0xA0
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106
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107 #if defined (sEE_M24C08)
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108 #define sEE_PAGESIZE 16
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109 #elif defined (sEE_M24C64_32)
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110 #define sEE_PAGESIZE 32
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111 #endif
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112
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113 /* Maximum Timeout values for flags and events waiting loops. These timeouts are
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114 not based on accurate values, they just guarantee that the application will
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115 not remain stuck if the I2C communication is corrupted.
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116 You may modify these timeout values depending on CPU frequency and application
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117 conditions (interrupts routines ...). */
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118 #define sEE_FLAG_TIMEOUT ((uint32_t)0x1000)
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119 #define sEE_LONG_TIMEOUT ((uint32_t)(10 * sEE_FLAG_TIMEOUT))
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120
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121 /* Maximum number of trials for sEE_WaitEepromStandbyState() function */
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122 #define sEE_MAX_TRIALS_NUMBER 150
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123
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124 /* Defintions for the state of the DMA transfer */
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125 #define sEE_STATE_READY 0
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126 #define sEE_STATE_BUSY 1
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127 #define sEE_STATE_ERROR 2
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128
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129 #define sEE_OK 0
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130 #define sEE_FAIL 1
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131
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132 /**
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133 * @}
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134 */
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135
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136 /** @defgroup STM32_EVAL_I2C_EE_Exported_Macros
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137 * @{
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138 */
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139 /**
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140 * @}
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141 */
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142
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143 /** @defgroup STM32_EVAL_I2C_EE_Exported_Functions
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144 * @{
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145 */
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146 void sEE_DeInit(void);
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147 void sEE_Init(void);
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148 uint32_t sEE_ReadBuffer(uint8_t* pBuffer, uint16_t ReadAddr, uint16_t* NumByteToRead);
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149 uint32_t sEE_WritePage(uint8_t* pBuffer, uint16_t WriteAddr, uint8_t* NumByteToWrite);
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150 void sEE_WriteBuffer(uint8_t* pBuffer, uint16_t WriteAddr, uint16_t NumByteToWrite);
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151 uint32_t sEE_WaitEepromStandbyState(void);
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152
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153 /* USER Callbacks: These are functions for which prototypes only are declared in
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154 EEPROM driver and that should be implemented into user applicaiton. */
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155 /* sEE_TIMEOUT_UserCallback() function is called whenever a timeout condition
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156 occure during communication (waiting on an event that doesn't occur, bus
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157 errors, busy devices ...).
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158 You can use the default timeout callback implementation by uncommenting the
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159 define USE_DEFAULT_TIMEOUT_CALLBACK in stm32_evel_i2c_ee.h file.
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160 Typically the user implementation of this callback should reset I2C peripheral
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161 and re-initialize communication or in worst case reset all the application. */
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162 uint32_t sEE_TIMEOUT_UserCallback(void);
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163
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164 /* Start and End of critical section: these callbacks should be typically used
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165 to disable interrupts when entering a critical section of I2C communication
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166 You may use default callbacks provided into this driver by uncommenting the
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167 define USE_DEFAULT_CRITICAL_CALLBACK in stm32_evel_i2c_ee.h file..
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168 Or you can comment that line and implement these callbacks into your
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169 application */
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170 void sEE_EnterCriticalSection_UserCallback(void);
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171 void sEE_ExitCriticalSection_UserCallback(void);
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172
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173
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174 #ifdef __cplusplus
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175 }
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176 #endif
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177
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178 #endif /* __STM32_EVAL_I2C_EE_H */
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179 /**
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180 * @}
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181 */
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182
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183 /**
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184 * @}
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185 */
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186
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187 /**
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188 * @}
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189 */
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190
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191 /**
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192 * @}
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193 */
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194
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195 /**
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196 * @}
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197 */
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198
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199 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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200
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201