/* * AMS_CAN.c * * Created on: Mar 19, 2022 * Author: jasper */ #include "AMS_CAN.h" #include "ADBMS_Abstraction.h" #include "AMS_HighLevel.h" #include "TMP1075.h" #include "common_defs.h" #include "eeprom.h" #include "errors.h" #include "main.h" #include "stm32f3xx.h" #include "stm32f3xx_hal.h" #include "stm32f3xx_hal_can.h" #include "can-halal.h" #include "stm32f3xx_hal_gpio.h" #include #include #define CAN_ID_MV_BMS 0x501 void ams_can_init(CAN_HandleTypeDef* hcan) { ftcan_init(hcan); } #define ITER_COUNT 10 static uint8_t count = 0; static bool isOn = false; void ams_can_send_status() { if (count == ITER_COUNT) { HAL_GPIO_WritePin(STATUS_LED_G_GPIO_Port, STATUS_LED_G_Pin, isOn ? GPIO_PIN_SET : GPIO_PIN_RESET); count = 0; isOn = !isOn; } else { count++; } static uint8_t data[8]; int error = error_data.error_sources != 0; data[0] = eeprom_config.id | (error << 7); data[1] = stateofcharge; uint8_t* ptr = &data[2]; uint16_t min_volt = 0xFFFF; uint16_t max_volt = 0; for (size_t i = 0; i < numberofCells; i++) { if (module.cellVoltages[i] < min_volt) { min_volt = module.cellVoltages[i]; } if (module.cellVoltages[i] > max_volt) { max_volt = module.cellVoltages[i]; } } ptr = ftcan_marshal_unsigned(ptr, min_volt, 2); ptr = ftcan_marshal_unsigned(ptr, max_volt, 2); int16_t max_temp = -0x8000; for (size_t i = 0; i < N_TEMP_SENSORS; i++) { if (tmp1075_temps[i] > max_temp && (tmp1075_failed_sensors & (1 << i)) == 0) { max_temp = tmp1075_temps[i]; } } ftcan_marshal_unsigned(ptr, max_temp, 2); uint16_t id = CAN_ID_MV_BMS | eeprom_config.id; ftcan_transmit(id, data, sizeof(data)); }