eeprom.c 4.6 KB

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  1. /*
  2. * eeprom.c
  3. *
  4. * Created on: 2020. 4. 22.
  5. * Author: parkyj
  6. */
  7. #include <stdio.h>
  8. #include <string.h>
  9. #include "main.h"
  10. #include "eeprom.h"
  11. #include "stm32f1xx_hal.h"
  12. #include "stm32f1xx_hal_gpio.h"
  13. /* Includes ------------------------------------------------------------------*/
  14. HAL_StatusTypeDef EEPROM_M24C08_ByteRead(uint16_t devid,uint16_t Address,uint8_t* data,uint8_t size);
  15. BLUESTATUS_st bluecell_Currdatastatus;
  16. extern I2C_HandleTypeDef hi2c2;
  17. typedef enum{
  18. HFR_BANK1_SEL = 1,
  19. HFR_BANK2_SEL = 2,
  20. HFR_AUTO_SEL = 3,
  21. }HFR_BootSelIndex_;
  22. void EEPROM_M24C08_Init(void){
  23. EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_WINDOW_STATUS_ADDRESDS,&bluecell_Currdatastatus.bluecell_header,sizeof(BLUESTATUS_st) );
  24. printf("bluecell_Currdatastatus.CPU_Bank_Select : %d \r\n",bluecell_Currdatastatus.CPU_Bank_Select);
  25. if(bluecell_Currdatastatus.CPU_Bank_Select == HFR_BANK1_SEL){
  26. printf("Write Start \r\n");
  27. MBIC_BankBooting_Flash_write((uint32_t*)FLASH_USER_BANK1_START_ADDR,FLASH_MBICUSER_START_ADDR);
  28. bluecell_Currdatastatus.CPU_Bank_Select = 5;
  29. }else if(bluecell_Currdatastatus.CPU_Bank_Select == HFR_BANK2_SEL){
  30. printf("Write Start \r\n");
  31. MBIC_BankBooting_Flash_write((uint32_t*)FLASH_USER_BANK2_START_ADDR,FLASH_MBICUSER_START_ADDR);
  32. bluecell_Currdatastatus.CPU_Bank_Select = 6;
  33. }
  34. else if (bluecell_Currdatastatus.CPU_Bank_Select == HFR_AUTO_SEL){
  35. if(bluecell_Currdatastatus.CPU_Bank_Select == HFR_BANK1_SEL){
  36. printf("Write Start \r\n");
  37. MBIC_BankBooting_Flash_write((uint32_t*)FLASH_USER_BANK2_START_ADDR,FLASH_MBICUSER_START_ADDR);
  38. bluecell_Currdatastatus.CPU_Bank_Select = 6;
  39. }else{
  40. printf("Write Start \r\n");
  41. MBIC_BankBooting_Flash_write((uint32_t*)FLASH_USER_BANK1_START_ADDR,FLASH_MBICUSER_START_ADDR);
  42. bluecell_Currdatastatus.CPU_Bank_Select = 5;
  43. }
  44. }
  45. EEPROM_M24C08_write(EEPROM_M24C08_ID ,(EEPROM_WINDOW_STATUS_ADDRESDS),&bluecell_Currdatastatus.bluecell_header,sizeof(BLUESTATUS_st));
  46. printf("EEPROM INIT COMPLETE\r\n");
  47. }
  48. #define MAXEEPROM_LENG 32
  49. HAL_StatusTypeDef EEPROM_M24C08_Read(uint8_t devid,uint16_t Address,uint8_t* data,uint16_t size){
  50. HAL_StatusTypeDef ret = HAL_ERROR;
  51. // uint16_t sizecnt = 0,
  52. //uint16_t sizeremain = 0;
  53. // uint16_t addrees_inc = 0;
  54. // ret = HAL_I2C_Mem_Read(&hi2c2, devid | ((Address & 0x0300) >> 7),((Address )), I2C_MEMADD_SIZE_8BIT, &data[0], size, 1024);
  55. ret = HAL_I2C_Mem_Read(&hi2c2, devid ,((Address )), I2C_MEMADD_SIZE_16BIT, &data[0], size, 1024);
  56. // EEPROM24XX_Load( Address,data, size);
  57. if(ret == HAL_ERROR)
  58. printf("Write ERR\r\n");
  59. else
  60. HAL_Delay(20);
  61. return ret;
  62. }
  63. HAL_StatusTypeDef EEPROM_M24C08_write(uint8_t devid,uint16_t Address,uint8_t* data,uint16_t size){
  64. HAL_StatusTypeDef ret = HAL_ERROR;
  65. uint8_t sizecnt = 0,sizeremain = 0;
  66. uint16_t addrees_inc = 0;
  67. sizecnt = size /MAXEEPROM_LENG;
  68. sizeremain = size % MAXEEPROM_LENG;
  69. addrees_inc = 0;
  70. if(sizecnt > 0){
  71. for(int i = 0 ; i < sizecnt; i++ ){
  72. addrees_inc = i * MAXEEPROM_LENG;
  73. ret = HAL_I2C_Mem_Write(&hi2c2, devid ,((Address + addrees_inc) & 0xFFFF) , I2C_MEMADD_SIZE_16BIT, &data[addrees_inc], MAXEEPROM_LENG, 1024);
  74. if(ret == HAL_ERROR)
  75. printf("Write ERR\r\n");
  76. else
  77. HAL_Delay(20);
  78. }
  79. addrees_inc += MAXEEPROM_LENG;
  80. }
  81. // printf("Remain Data Index : %d \r\n",sizeremain);
  82. if(sizeremain > 0){
  83. // printf("Remain Data Write Start ");
  84. for(int i = 0; i < sizeremain; i++){
  85. ret = HAL_I2C_Mem_Write(&hi2c2, devid ,((Address + addrees_inc + i)& 0xFFFF) , I2C_MEMADD_SIZE_16BIT, &data[addrees_inc + i], 1, 1024);
  86. // EEPROM24XX_Save( Address,data, size);
  87. if(ret == HAL_ERROR)
  88. printf("Write ERR\r\n");
  89. else
  90. HAL_Delay(20);
  91. }
  92. }
  93. return ret;
  94. }
  95. HAL_StatusTypeDef EEPROM_M24C08_Zerowrite(uint8_t devid,uint16_t Address){
  96. HAL_StatusTypeDef ret = HAL_ERROR;
  97. // uint8_t sizeremain = 0;
  98. uint16_t addrees_inc = 0;
  99. addrees_inc = 0;
  100. uint8_t data[4096] = {0,};
  101. for(int i = 0 ; i < 128; i++ ){
  102. addrees_inc = i * MAXEEPROM_LENG;
  103. ret = HAL_I2C_Mem_Write(&hi2c2, devid ,((Address + addrees_inc) & 0xFFFF) , I2C_MEMADD_SIZE_16BIT, &data[0], MAXEEPROM_LENG, 1024);
  104. if(ret == HAL_ERROR)
  105. printf("Write ERR\r\n");
  106. else
  107. HAL_Delay(20);
  108. }
  109. return ret;
  110. }