FaSTTUBe/mv-bms
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removed eeprom.h .c

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This commit is contained in:
Hamza Tamim 2024-05-24 19:03:52 +03:00
parent c8047a9017
commit 61e455dfcd
3 changed files with 0 additions and 73 deletions
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17
Core/Inc/eeprom.h
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@ -1,17 +0,0 @@
#ifndef INC_EEPROM_H_
#define INC_EEPROM_H_
#include "stm32f3xx_hal.h"
#include <stdint.h>
__attribute__((packed)) typedef struct {
uint8_t id;
} EEPROMConfig;
extern EEPROMConfig eeprom_config;
void eeprom_init(I2C_HandleTypeDef* hi2c);
void eeprom_config_save();
#endif // INC_EEPROM_H_

55
Core/Src/eeprom.c
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@ -1,55 +0,0 @@
#include "eeprom.h"
#include "errors.h"
#include "stm32f3xx_hal.h"
#include "stm32f3xx_hal_exti.h"
#include "stm32f3xx_hal_i2c.h"
#include <string.h>
#define EEPROM_I2C_ADDR 0xA0
// Don't use the beginning of the EEPROM, since the testbench writes there
#define EEPROM_CONFIG_BASE 0x0100
#define EEPROM_CONFIG_ECC_OFFSET 0x20
EEPROMConfig eeprom_config;
static I2C_HandleTypeDef* hi2c;
void eeprom_init(I2C_HandleTypeDef* handle) {
hi2c = handle;
uint8_t buf[sizeof(EEPROMConfig) * 3];
// Read 3 EEPROM config buffers at 32 byte offsets
for (size_t ecc_i = 0; ecc_i < 3; ecc_i++) {
HAL_I2C_Mem_Read(hi2c, EEPROM_I2C_ADDR,
EEPROM_CONFIG_BASE + EEPROM_CONFIG_ECC_OFFSET * ecc_i, 2,
buf + sizeof(EEPROMConfig) * ecc_i, sizeof(EEPROMConfig),
100);
}
// ECC
for (size_t i = 0; i < sizeof(EEPROMConfig); i++) {
uint8_t a = buf[i + sizeof(EEPROMConfig) * 0];
uint8_t b = buf[i + sizeof(EEPROMConfig) * 1];
uint8_t c = buf[i + sizeof(EEPROMConfig) * 2];
if (a == b || a == c) {
buf[i] = a;
} else if (b == c) {
buf[i] = b;
} else {
set_error_source(ERROR_SOURCE_EEPROM);
}
}
memcpy(&eeprom_config, buf, sizeof(EEPROMConfig));
// Write back config
eeprom_config.id = 10;
eeprom_config_save();
}
void eeprom_config_save() {
for (size_t ecc_i = 0; ecc_i < 3; ecc_i++) {
HAL_I2C_Mem_Write(hi2c, EEPROM_I2C_ADDR,
EEPROM_CONFIG_BASE + EEPROM_CONFIG_ECC_OFFSET * ecc_i, 2,
(uint8_t*)&eeprom_config, sizeof(eeprom_config), 100);
HAL_Delay(100);
}
}

1
Core/Src/main.c
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@ -27,7 +27,6 @@
#include "AMS_HighLevel.h"
#include "state_machine.h"
#include "TMP1075.h"
#include "eeprom.h"
#include "errors.h"
#include "stm32f3xx_hal.h"
#include "stm32f3xx_hal_gpio.h"