73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
#include "shunt_monitoring.h"
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#include <string.h>
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#include "can.h"
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#include "ts_state_machine.h"
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#include "util.h"
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#include "can-halal.h"
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ShuntData shunt_data;
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void shunt_init() {
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shunt_data.current = 0;
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shunt_data.voltage_veh = 0;
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shunt_data.voltage_bat = 0;
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shunt_data.voltage3 = 0;
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shunt_data.busbartemp = 0;
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shunt_data.power = 0;
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shunt_data.energy = 0;
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shunt_data.current_counter = 0;
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shunt_data.last_message = 0;
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}
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void shunt_check() {
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int is_error = 0;
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if (HAL_GetTick() - shunt_data.last_message > SHUNT_TIMEOUT) {
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is_error = 1;
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can_send_error(TS_ERRORKIND_SHUNT_TIMEOUT, 0);
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} else if (shunt_data.current >= SHUNT_THRESH_OVERCURRENT) {
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is_error = 1;
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can_send_error(TS_ERRORKIND_SHUNT_OVERTEMP, 0);
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} else if (shunt_data.busbartemp >= SHUNT_THRESH_OVERTEMP) {
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is_error = 1;
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can_send_error(TS_ERRORKIND_SHUNT_OVERTEMP, 0);
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}
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ts_sm_set_error_source(TS_ERROR_SOURCE_SHUNT, is_error);
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}
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void shunt_handle_can_msg(uint16_t id, const uint8_t *data) {
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shunt_data.last_message = HAL_GetTick();
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// All result messages contain a big-endian 6-byte integer
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uint64_t result = ftcan_unmarshal_unsigned(&data, 6);
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switch (id) {
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case CAN_ID_SHUNT_CURRENT:
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shunt_data.current = result;
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break;
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case CAN_ID_SHUNT_VOLTAGE1:
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shunt_data.voltage_bat = result;
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break;
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case CAN_ID_SHUNT_VOLTAGE2:
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shunt_data.voltage_veh = result;
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break;
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case CAN_ID_SHUNT_VOLTAGE3:
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shunt_data.voltage3 = result;
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break;
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case CAN_ID_SHUNT_TEMP:
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shunt_data.busbartemp = result;
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break;
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case CAN_ID_SHUNT_POWER:
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shunt_data.power = result;
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break;
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case CAN_ID_SHUNT_CURRENT_COUNTER:
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shunt_data.current_counter = result;
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break;
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case CAN_ID_SHUNT_ENERGY_COUNTER:
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shunt_data.energy = result;
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break;
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}
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}
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