80 lines
2.7 KiB
C
Executable File
80 lines
2.7 KiB
C
Executable File
/*
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* PWM_control.h
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*
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* Created on: 10.07.2024
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* Author: Hamza
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*/
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#include "TMP1075.h"
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#include <eeprom.h>
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// see Datasheet for these values
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#define EEPROM_I2C_ADDR 0xA0
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#define EEPROM_WRITE_FREQ_INACTIVE 1000
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#define EEPROM_WRITE_FREQ_ACTIVE 100
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#define EERROM_MEMORY_ADDR_SIZE 2
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#define EEPROM_MEMORY_SIZE 1024000 // in bits
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#define EEPROM_PAGE_SIZE 256 // in bits
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static I2C_HandleTypeDef* hi2c;
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uint32_t current_address;
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void eeprom_init(I2C_HandleTypeDef* handle) {
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hi2c = handle;
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current_address = 0;
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}
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void eeprom_write_status(){
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uint8_t data_length = EEPROM_PAGE_SIZE/8; //32
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uint8_t data[data_length] = {};
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data[0] = ((state.current_state << 4) | (current_powerground_status >> 4));
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data[1] = ((current_powerground_status << 4) | (state.error_source >> 4)); // 4 bit powerground | 4 bit error
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data[2] = ((state.error_source << 4) | (0)); // 4 bit error | 4 bit state of charge
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data[3] = (0); // 8 bit state of charge
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data[4] = (RELAY_BAT_SIDE_VOLTAGE >> 8); // 16 bit battery voltage
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data[5] = (RELAY_BAT_SIDE_VOLTAGE);
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data[6] = (RELAY_ESC_SIDE_VOLTAGE >> 8); // 16 bit Inverter voltage
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data[7] = (RELAY_ESC_SIDE_VOLTAGE);
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data[8] = (CURRENT_MEASUREMENT >> 8); // 16 bit Inverter voltage
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data[9] = (CURRENT_MEASUREMENT);
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// data 10-35
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for (int i = 10; i < 36; i+=2) {
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data[i] = ((int) module.auxVoltages[i]) >> 8;
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data[i+1] = ((int) module.auxVoltages[i]);
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}
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for (int i = 37; i < 50; i++) {
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data[i] = tmp1075_temps[i];
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}
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eeprom_write(data, current_address);
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current_address++;
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}
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HAL_StatusTypeDef eeprom_read(uint8_t* data, uint16_t address){
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HAL_StatusTypeDef status = HAL_I2C_Mem_Read(
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hi2c, EEPROM_I2C_ADDR, address,
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2, data, sizeof(data), 50);
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return status;
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}
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HAL_StatusTypeDef eeprom_write(uint8_t* data, uint16_t address){
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HAL_StatusTypeDef status = HAL_OK;
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HAL_GPIO_WritePin(EEPROM___WC__GPIO_Port, EEPROM___WC__Pin, GPIO_PIN_RESET);
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if (address < 65535){
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status = HAL_I2C_Mem_Write(
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hi2c, EEPROM_I2C_ADDR,
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current_address, EERROM_MEMORY_ADDR_SIZE,
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data, sizeof(data), 50);
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current_address += sizeof(data);
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} else if (address > 65535) {
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status = HAL_I2C_Mem_Write(
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hi2c, EEPROM_I2C_ADDR,
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current_address, EERROM_MEMORY_ADDR_SIZE,
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data, sizeof(data), 50);
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current_address += sizeof(data);
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}
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HAL_GPIO_WritePin(EEPROM___WC__GPIO_Port, EEPROM___WC__Pin, GPIO_PIN_SET);
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return status;
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}
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