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4f02c21bd9
Author | SHA1 | Date |
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jazzpi | 4f02c21bd9 | |
jazzpi | 40bbb3d4c0 | |
jazzpi | 48d8a90c4a | |
jazzpi | 1be16efadf | |
jazzpi | c6a5ffd2c0 |
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@ -51,6 +51,7 @@ extern BQ_Error_Description bq_error;
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extern uint32_t lastmeasurementtime;
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void afe_init(UART_HandleTypeDef* uarthandle);
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void afe_soft_reset();
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void afe_shutdown();
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void afe_measure();
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void afe_selftest();
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@ -188,6 +188,8 @@
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#define EE_BURN_SIZE 0x01
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#define MAGIC2_SIZE 0x04
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#define DEV_CNTRL_SOFT_RESET (1 << 7)
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#define GPI_FAULT_SUM (1 << 6)
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#define CHIP_FAULT_SUM (1 << 7)
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#define SYS_FAULT_SUM (1 << 8)
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@ -44,8 +44,15 @@ void afe_init(UART_HandleTypeDef* uarthandle) {
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afe_wakeup();
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HAL_Delay(10);
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afe_soft_reset();
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}
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void afe_soft_reset() {
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bq_status = BQ_INIT_PHASE;
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BQ_Write_Register(DEV_CNTRL, DEV_CNTRL_SIZE, DEV_CNTRL_SOFT_RESET);
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HAL_Delay(10);
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afe_config_communication();
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afe_config_measurement_channels();
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@ -57,13 +64,13 @@ void afe_init(UART_HandleTypeDef* uarthandle) {
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afe_init_fault_thresholds();
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HAL_Delay(1000);
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HAL_Delay(100);
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afe_update_Checksum();
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afe_clear_all_faults();
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HAL_Delay(100);
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HAL_Delay(50);
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afe_check_faults();
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lastmeasurementtime = 0;
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@ -70,10 +70,11 @@
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* STAGE 1
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* -------
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* Stage 1 trims the HSI until at least one MASTER_HEARTBEAT frame has been
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* received. The frequency alternates between lower and higher values, i.e. if
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* the trim was initially 16, it will go through the following values:
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* received. The frequency first goes down until it reaches 0, then goes up from
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* the initial value. I.e. if the trim was initially 5, it will go through the
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* following values:
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*
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* 16 -> 14 -> 18 -> 12 -> 20 -> 10 -> 22 -> ...
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* 5 -> 3 -> 1 -> 6 -> 8 -> ...
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*
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* Once a MASTER_HEARTBEAT frame has been received, the slave transitions to
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* stage 2.
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@ -81,7 +82,7 @@
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* STAGE 2
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* -------
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* Stage 2 trims the HSI further until at least three consecutive
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* MASTER_HEARTBEAT frames have been received. The frequency alternates in the
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* MASTER_HEARTBEAT frames have been received. The frequency is trimmed in the
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* same fashion as in stage 1, but now around the frequency where a
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* MASTER_HEARTBEAT frame was received in stage 1, and more slowly.
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*
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@ -314,15 +315,15 @@ void trim_hsi_by(int32_t delta) {
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}
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uint8_t calculate_freq_hopping_trim(uint32_t freq_hopping_iteration) {
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int32_t trim_delta = (freq_hopping_iteration + 1) * FREQ_HOPPING_TRIM_STEPS;
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if (freq_hopping_iteration % 2 == 0) {
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trim_delta = -trim_delta;
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int32_t trim_delta =
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((freq_hopping_iteration + 1) * FREQ_HOPPING_TRIM_STEPS) %
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(RCC_CR_HSITRIM_MAX + 1);
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int32_t new_trim = freq_hopping_start_trim - trim_delta;
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if (new_trim < 0) {
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// Trim upwards from the start trim
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new_trim = trim_delta;
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}
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int32_t new_trim = freq_hopping_start_trim + trim_delta;
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if (new_trim < 0) {
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new_trim += RCC_CR_HSITRIM_MAX + 1;
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} else if (new_trim > RCC_CR_HSITRIM_MAX) {
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new_trim -= RCC_CR_HSITRIM_MAX + 1;
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}
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return new_trim;
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}
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@ -154,14 +154,16 @@ HAL_StatusTypeDef tmp144_recv_temps(TMP144Bus* bus) {
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return HAL_ERROR;
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}
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size_t temperatures_offset =
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(bus == &tmp144_bus_busbar) ? 0 : N_TEMP_SENSORS / 2;
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bus->state = TMP144_IDLE;
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size_t headerlen = sizeof(TMP144_SEQ_READ_TEMPS);
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if (memcmp(bus->rxbuf, TMP144_SEQ_READ_TEMPS, headerlen) != 0) {
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memset(&temperatures[temperatures_offset], 0, sizeof(temperatures) / 2);
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return HAL_ERROR;
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}
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size_t temperatures_offset =
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(bus == &tmp144_bus_busbar) ? 0 : N_TEMP_SENSORS / 2;
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for (size_t i = 0; i < bus->n_sensors; i++) {
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size_t buf_offset = headerlen + 2 * i;
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uint16_t temp =
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@ -209,15 +209,16 @@ int main(void) {
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/* USER CODE BEGIN 3 */
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update_status_leds();
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fan_ctrl_update();
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clock_sync_update();
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// Only use communication interfaces (BQ UART, TMP144 UARTs, CAN) once the
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// clock is synchronized
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if (clock_sync_state == CLOCK_SYNC_NORMAL_OPERATION) {
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afe_measure();
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tmp144_read_temps();
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if (HAL_GetTick() - main_loop_start > ERROR_CHECK_START) {
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check_error_conditions();
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}
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fan_ctrl_update();
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clock_sync_update();
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// Only start sending CAN frames once the clock is synchronized
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if (clock_sync_state == CLOCK_SYNC_NORMAL_OPERATION) {
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ams_can_send_heartbeat();
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}
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delay_period();
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