bms/Application/app/bms_message.c

#include <string.h>
#include "app/sox/soc.h"
#include "app/sox/measure.h"
#include "app/sox/measure_task.h"
#include "app/sox/health.h"
#include "app/sox/state.h"
#include "bsp/gpio.h"
#include "bsp/ml5238.h"
#include "bsp/fmc_flash.h"
#include "app/nv_storage.h"
#include "libs/logger.h"
#include "protocol.h"
#include "bms_message.h"

extern char* bsp_get_fversion(void);

static uint8_t bms_insert = 0;
static uint8_t bms_insert_ack = 0;
//主要用来告知PSxxx是否刚插入，PSxxx答复后需要清除
void bms_message_update_insert(int is_hall_detect){
	if (!is_hall_detect){
		bms_insert = 0;
		bms_insert_ack = 0;
	}else {
		if (!bms_insert_ack) {
			bms_insert = 1;
		}
	}
}

void process_bms_message(can_frame_t *frame, int len){
	int result = 0;
	uint8_t *data = NULL;
	int data_len = 0;
	// set_log_all(L_debug);
	switch(frame->key) {
		case CAN_KEY_BMS_SET_POWER:
			if (len != sizeof(pwr_cmd_t)){
				result = 1;
			}else {
				pwr_cmd_t *cmd = (pwr_cmd_t *)frame->data;
				uint32_t user_request = USER_REQUEST_PENDING;
				if (cmd->charger_mask) {
					if (cmd->charger_fet){
						user_request |= USER_REQUEST_CHARGER_ON;
					}else {
						user_request |= USER_REQUEST_CHARGER_OFF;
					}
				}
				if (cmd->discharger_mask) {
					if (cmd->discharger_fet){
						user_request |= USER_REQUEST_DISCHARGER_ON;
					}else {
						user_request |= USER_REQUEST_DISCHARGER_OFF;
					}
				}
				if (cmd->small_mask) {
					if (cmd->small_power){
						user_request |= USER_REQUEST_SMALLCURRENT_ON;
					}else {
						user_request |= USER_REQUEST_SMALLCURRENT_OFF;
					}
				}
				bms_state_get()->user_request = user_request;
			}
			protocol_send_ack(frame->head.can_addr, frame->key, result);
			break;
		case CAN_KEY_BMS_BASE_INFO:{
			binfo_cmd_resp_t bresp;
			bresp.capacity = get_soc()->capacity;
			bresp.energy = get_soc()->energy;
			bresp.pack_current = measure_value()->load_current;
			bresp.pack_voltage = bms_state_get()->pack_voltage;
			bresp.max_temp = 0;
			for (int i = 0; i < PACK_TEMPS_NUM; i ++){
				if (bresp.max_temp < measure_value()->pack_temp[i]){
					bresp.max_temp = measure_value()->pack_temp[i];
				}
			}
			bresp.health = *((uint32_t *)bms_health());
			stat_cmd_resp_t sresp;
			sresp.insert = bms_insert;
			sresp.is_charging = bms_state_get()->charging;
			sresp.discharger_fet = ml5238_is_discharging();
			sresp.charger_fet = ml5238_is_charging();
			sresp.small_power = AUX_VOL_IS_OPEN();
			sresp.is_balancing = bms_state_get()->pack_balancing;
			bresp.state = *((uint8_t*)&sresp);
			data = (uint8_t *)&bresp;
			data_len = sizeof(bresp);
			protocol_send_bms_info(frame->head.can_addr, frame->key, data, data_len);
			break;
		}
		case CAN_KEY_BMS_CHARG_INFO:{
			cinfo_cmd_resp_t cresp;
			cresp.charge_current = measure_value()->load_current;
			cresp.charge_remain_time = soc_get_charger_remain_time();
			data = (uint8_t *)&cresp;
			data_len = sizeof(cresp);
			protocol_send_bms_info(frame->head.can_addr, frame->key, data, data_len);
			break;
		}
		case CAN_KEY_BMS_CLEAR:
			bms_insert_ack = 1;
			bms_insert = 0;
			protocol_send_ack(frame->head.can_addr, frame->key, result);
			break;
		case CAN_KEY_BMS_GET_TIME:{
			uint32_t time = shark_get_seconds();
			data = (uint8_t *)&time;
			data_len = sizeof(time);
			protocol_send_bms_info(frame->head.can_addr, frame->key, data, data_len);
			break;
		}
		case CAN_KEY_BMS_GET_STAT: {
			stat_cmd_resp_t sresp;
			sresp.insert = bms_insert;
			sresp.is_charging = bms_state_get()->charging;
			sresp.discharger_fet = ml5238_is_discharging();
			sresp.charger_fet = ml5238_is_charging();
			sresp.small_power = AUX_VOL_IS_OPEN();
			sresp.is_balancing = bms_state_get()->pack_balancing;
			uint32_t *h = (uint32_t *)(bms_health());
			sresp.health = (*h != 0);
			data = (uint8_t *)&sresp;
			data_len = sizeof(sresp);
			protocol_send_bms_info(frame->head.can_addr, frame->key, data, data_len);
			break;
		}
		case CAN_KEY_BMS_TEMPS: {
			u8 temps[PACK_TEMPS_NUM * sizeof(int) + 1];
			temps[0] = PACK_TEMPS_NUM;
			memcpy(temps+1, measure_value()->pack_temp, PACK_TEMPS_NUM * sizeof(int));
			data = temps;
			data_len = PACK_TEMPS_NUM * sizeof(int) + 1;
			protocol_send_bms_info(frame->head.can_addr, frame->key, data, data_len);
			break;
		}	
		case CAN_KEY_BMS_GET_CELLS: {
			cell_cmd_resp_t cells;
			cells.cell_num = CELLS_NUM;
			for (int i = 0; i < CELLS_NUM; i++){
				cells.voltages[i] = measure_value()->cell_vol[i];
			}
			data = (uint8_t *)&cells;
			data_len = sizeof(cells);
			protocol_send_bms_info(frame->head.can_addr, frame->key, data, data_len);
			break;
		}
		case CAN_KEY_GET_SOC_INFO: {
			soc_info_t soc;
			soc.c_min = get_soc()->coulomb_min/36.0f;
			soc.c_max = get_soc()->coulomb_max/36.0f;
			soc.c_now = get_soc()->coulomb_now/36.0f;
			soc.c_discharger = get_soc()->dischrger_coulomb/36.0f;
			soc.c_charger = get_soc()->charger_coulomb/36.0f;
			soc.cycle = soc_get_cycle();
			soc.calibrated = (get_soc()->flags & SOC_FLAG_CALIBRATED) != 0;			
			data = (uint8_t *)&soc;
			data_len = sizeof(soc);
			protocol_send_bms_info(frame->head.can_addr, frame->key, data, data_len);
			break;
		}
		case CAN_KEY_BMS_GET_HEALTH_STAT:
			data = (uint8_t *)bms_health();
			data_len = sizeof(*bms_health());
			protocol_send_bms_info(frame->head.can_addr, frame->key, data, data_len);
			break;
		case CAN_KEY_BMS_SET_WORK_MODE:
			if (len != 2) {
				result = 1;
			}else {
				result = bms_work_mode_set(frame->data[0], frame->data[1]);
			}
			protocol_send_ack(frame->head.can_addr, frame->key, result);
			break;
		case CAN_KEY_SET_SN:
			nv_save_sn((uint8_t *)frame->data, len);
			protocol_send_ack(frame->head.can_addr, frame->key, result);
			break;
		case CAN_KEY_GET_SN: {
			uint8_t sn[32];
			int sn_len = nv_read_sn(sn, sizeof(sn));
			if (sn_len <= 0){
				sn[0] = 'B';
				memset(sn + 1, '0', sizeof(sn) - 1);
				sn_len = 21;
			}
			data = (u8 *)sn;
			data_len = sn_len;
			protocol_send_bms_info(frame->head.can_addr, frame->key, data, data_len);
			break;
		}
		case CAN_KEY_GET_VERSION: {
			data = (u8*)bsp_get_fversion();
			data_len = strlen((char *)data);
			protocol_send_bms_info(frame->head.can_addr, frame->key, data, data_len);
			break;
		}
		case CAN_KEY_SET_LOGGER:
			if (len < 1) {
				set_log_all(L_debug);
				ml5238_reg_log(); //just for debug
				result = 1;
			} else if (len < 2) {
				set_log_all(frame->data[0]);
			} else if (len < 3){
				set_log_level(frame->data[0], frame->data[1]);
			}
			protocol_send_ack(frame->head.can_addr, frame->key, result);
			break;
		case CAN_KEY_START_CALI:
			if (len != sizeof(cali_cmd_t)) {
				current_calibrate();//just for debug
				result = 1;
			}else {
				cali_cmd_t * cmd = (cali_cmd_t *)frame->data;
				uint8_t adc = cmd->flags & 0x01;
				uint8_t flags = ((cmd->flags>>1) & 0x03);
				if (flags == 1) {
					result = measure_start_cali(adc, cmd->gain, cmd->totol_samples);
				}else if (flags == 2) {
					result = measure_continue_cali(adc, cmd->voltage, cmd->current);
				}else {
					result = measure_stop_cali(adc, cmd->gain);
				}
			}
			protocol_send_ack(frame->head.can_addr, frame->key, result);
			break;
	}
}