static msg_t uart_thread(void *arg) {
(void)arg;
chRegSetThreadName("UART");
uartStart(&HW_UART_DEV, &uart_cfg);
palSetPadMode(HW_UART_TX_PORT, HW_UART_TX_PIN, PAL_MODE_ALTERNATE(HW_UART_GPIO_AF) |
PAL_STM32_OSPEED_HIGHEST |
PAL_STM32_PUDR_PULLUP);
palSetPadMode(HW_UART_RX_PORT, HW_UART_RX_PIN, PAL_MODE_ALTERNATE(HW_UART_GPIO_AF) |
PAL_STM32_OSPEED_HIGHEST |
PAL_STM32_PUDR_PULLUP);
systime_t time = chTimeNow();
for(;;) {
time += MS2ST(1);
if ((systime_t) ((float) chTimeElapsedSince(last_uart_update_time)
/ ((float) CH_FREQUENCY / 1000.0)) > (float)TIMEOUT) {
mcpwm_set_brake_current(-10.0);
} else {
set_output(out_received);
}
chThdSleepUntil(time);
}
return 0;
}
void mc_interface_set_brake_current(float current) {
if (mc_interface_try_input()) {
return;
}
switch (m_conf.motor_type) {
case MOTOR_TYPE_BLDC:
case MOTOR_TYPE_DC:
mcpwm_set_brake_current(current);
break;
case MOTOR_TYPE_FOC:
mcpwm_foc_set_brake_current(current);
break;
default:
break;
}
}
static void set_output(float output) {
output /= (1.0 - HYST);
if (output > HYST) {
output -= HYST;
} else if (output < -HYST) {
output += HYST;
} else {
output = 0.0;
}
const float rpm = mcpwm_get_rpm();
if (output > 0.0 && rpm > -MCPWM_MIN_RPM) {
float current = output * MCPWM_CURRENT_MAX;
// Soft RPM limit
if (rpm > RPM_MAX_2) {
current = -MCPWM_CURRENT_CONTROL_MIN;
} else if (rpm > RPM_MAX_1) {
current = utils_map(rpm, RPM_MAX_1, RPM_MAX_2, current, -MCPWM_CURRENT_CONTROL_MIN);
}
// Some low-pass filtering
static float current_p1 = 0.0;
static float current_p2 = 0.0;
current = (current + current_p1 + current_p2) / 3;
current_p2 = current_p1;
current_p1 = current;
if (fabsf(current) < MCPWM_CURRENT_CONTROL_MIN) {
current = -MCPWM_CURRENT_CONTROL_MIN;
}
mcpwm_set_current(current);
} else {
mcpwm_set_brake_current(output * MCPWM_CURRENT_MIN);
}
}
void main_process_packet(unsigned char *data, unsigned char len) {
if (!len) {
return;
}
int16_t value16;
int32_t value32;
switch (data[0]) {
case 1:
// Sample and print data
value16 = (int)data[1] << 8 | (int)data[2];
if (value16 > ADC_SAMPLE_MAX_LEN) {
value16 = ADC_SAMPLE_MAX_LEN;
}
sample_len = value16;
sample_int = data[3];
sample_now = 0;
sample_ready = 0;
break;
case 2:
// Duty Control
value16 = (int)data[1] << 8 | (int)data[2];
mcpwm_set_duty((float)value16 / 1000.0);
break;
case 3:
// PID Control
value32 = (int)data[1] << 24 | (int)data[2] << 16 | (int)data[3] << 8 | (int)data[4];
mcpwm_set_pid_speed((float)value32);
break;
case 4:
// Detect
mcpwm_set_detect();
break;
case 5:
// Reset Fault
// TODO
break;
case 6:
// Sample and print data at start
value16 = (int)data[1] << 8 | (int)data[2];
if (value16 > ADC_SAMPLE_MAX_LEN) {
value16 = ADC_SAMPLE_MAX_LEN;
}
sample_len = value16;
sample_int = data[3];
sample_at_start = 1;
start_comm = mcpwm_get_comm_step();
break;
case 7:
// Current Control
value16 = (int)data[1] << 8 | (int)data[2];
mcpwm_set_current((float)value16 / 100.0);
break;
case 8:
// Brake current control
value16 = (int)data[1] << 8 | (int)data[2];
mcpwm_set_brake_current((float)value16 / 100.0);
break;
default:
break;
}
}
/**
* Process a received buffer with commands and data.
*
* @param data
* The buffer to process.
*
* @param len
* The length of the buffer.
*/
void commands_process_packet(unsigned char *data, unsigned int len) {
if (!len) {
return;
}
COMM_PACKET_ID packet_id;
int32_t ind = 0;
uint16_t sample_len;
uint8_t decimation;
bool at_start;
mc_configuration mcconf;
app_configuration appconf;
uint16_t flash_res;
uint32_t new_app_offset;
(void)len;
packet_id = data[0];
data++;
len--;
switch (packet_id) {
case COMM_FW_VERSION:
ind = 0;
send_buffer[ind++] = COMM_FW_VERSION;
send_buffer[ind++] = FW_VERSION_MAJOR;
send_buffer[ind++] = FW_VERSION_MINOR;
commands_send_packet(send_buffer, ind);
break;
case COMM_JUMP_TO_BOOTLOADER:
flash_helper_jump_to_bootloader();
break;
case COMM_ERASE_NEW_APP:
ind = 0;
flash_res = flash_helper_erase_new_app(buffer_get_uint32(data, &ind));
ind = 0;
send_buffer[ind++] = COMM_ERASE_NEW_APP;
send_buffer[ind++] = flash_res == FLASH_COMPLETE ? 1 : 0;
commands_send_packet(send_buffer, ind);
break;
case COMM_WRITE_NEW_APP_DATA:
ind = 0;
new_app_offset = buffer_get_uint32(data, &ind);
flash_res = flash_helper_write_new_app_data(new_app_offset, data + ind, len - ind);
ind = 0;
send_buffer[ind++] = COMM_WRITE_NEW_APP_DATA;
send_buffer[ind++] = flash_res == FLASH_COMPLETE ? 1 : 0;
commands_send_packet(send_buffer, ind);
break;
case COMM_GET_VALUES:
ind = 0;
send_buffer[ind++] = COMM_GET_VALUES;
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_MOS1) * 10.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_MOS2) * 10.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_MOS3) * 10.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_MOS4) * 10.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_MOS5) * 10.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_MOS6) * 10.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_PCB) * 10.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcpwm_read_reset_avg_motor_current() * 100.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcpwm_read_reset_avg_input_current() * 100.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(mcpwm_get_duty_cycle_now() * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)mcpwm_get_rpm(), &ind);
buffer_append_int16(send_buffer, (int16_t)(GET_INPUT_VOLTAGE() * 10.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcpwm_get_amp_hours(false) * 10000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcpwm_get_amp_hours_charged(false) * 10000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcpwm_get_watt_hours(false) * 10000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcpwm_get_watt_hours_charged(false) * 10000.0), &ind);
buffer_append_int32(send_buffer, mcpwm_get_tachometer_value(false), &ind);
buffer_append_int32(send_buffer, mcpwm_get_tachometer_abs_value(false), &ind);
send_buffer[ind++] = mcpwm_get_fault();
commands_send_packet(send_buffer, ind);
break;
case COMM_SET_DUTY:
ind = 0;
mcpwm_set_duty((float)buffer_get_int32(data, &ind) / 100000.0);
timeout_reset();
break;
case COMM_SET_CURRENT:
ind = 0;
mcpwm_set_current((float)buffer_get_int32(data, &ind) / 1000.0);
timeout_reset();
break;
case COMM_SET_CURRENT_BRAKE:
ind = 0;
mcpwm_set_brake_current((float)buffer_get_int32(data, &ind) / 1000.0);
timeout_reset();
break;
case COMM_SET_RPM:
ind = 0;
mcpwm_set_pid_speed((float)buffer_get_int32(data, &ind));
timeout_reset();
break;
case COMM_SET_POS:
ind = 0;
mcpwm_set_pid_pos((float)buffer_get_int32(data, &ind) / 1000000.0);
timeout_reset();
break;
case COMM_SET_DETECT:
mcpwm_set_detect();
timeout_reset();
break;
case COMM_SET_SERVO_OFFSET:
servos[0].offset = data[0];
break;
case COMM_SET_MCCONF:
mcconf = *mcpwm_get_configuration();
ind = 0;
mcconf.pwm_mode = data[ind++];
mcconf.comm_mode = data[ind++];
mcconf.motor_type = data[ind++];
mcconf.sensor_mode = data[ind++];
mcconf.l_current_max = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_current_min = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_in_current_max = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_in_current_min = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_abs_current_max = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_min_erpm = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_max_erpm = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_max_erpm_fbrake = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_max_erpm_fbrake_cc = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_min_vin = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_max_vin = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_slow_abs_current = data[ind++];
mcconf.l_rpm_lim_neg_torque = data[ind++];
mcconf.l_temp_fet_start = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_temp_fet_end = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_temp_motor_start = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_temp_motor_end = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_min_duty = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.l_max_duty = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.lo_current_max = mcconf.l_current_max;
mcconf.lo_current_min = mcconf.l_current_min;
mcconf.lo_in_current_max = mcconf.l_in_current_max;
mcconf.lo_in_current_min = mcconf.l_in_current_min;
mcconf.sl_min_erpm = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.sl_min_erpm_cycle_int_limit = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.sl_max_fullbreak_current_dir_change = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.sl_cycle_int_limit = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.sl_phase_advance_at_br = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.sl_cycle_int_rpm_br = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.sl_bemf_coupling_k = (float)buffer_get_int32(data, &ind) / 1000.0;
memcpy(mcconf.hall_table, data + ind, 8);
ind += 8;
mcconf.hall_sl_erpm = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.s_pid_kp = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.s_pid_ki = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.s_pid_kd = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.s_pid_min_rpm = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.p_pid_kp = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.p_pid_ki = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.p_pid_kd = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.cc_startup_boost_duty = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.cc_min_current = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.cc_gain = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.cc_ramp_step_max = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.m_fault_stop_time_ms = buffer_get_int32(data, &ind);
conf_general_store_mc_configuration(&mcconf);
mcpwm_set_configuration(&mcconf);
ind = 0;
send_buffer[ind++] = COMM_SET_MCCONF;
commands_send_packet(send_buffer, ind);
break;
case COMM_GET_MCCONF:
mcconf = *mcpwm_get_configuration();
ind = 0;
send_buffer[ind++] = COMM_GET_MCCONF;
send_buffer[ind++] = mcconf.pwm_mode;
send_buffer[ind++] = mcconf.comm_mode;
send_buffer[ind++] = mcconf.motor_type;
send_buffer[ind++] = mcconf.sensor_mode;
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_current_max * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_current_min * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_in_current_max * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_in_current_min * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_abs_current_max * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_min_erpm * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_max_erpm * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_max_erpm_fbrake * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_max_erpm_fbrake_cc * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_min_vin * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_max_vin * 1000.0), &ind);
send_buffer[ind++] = mcconf.l_slow_abs_current;
send_buffer[ind++] = mcconf.l_rpm_lim_neg_torque;
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_temp_fet_start * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_temp_fet_end * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_temp_motor_start * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_temp_motor_end * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_min_duty * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_max_duty * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_min_erpm * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_min_erpm_cycle_int_limit * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_max_fullbreak_current_dir_change * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_cycle_int_limit * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_phase_advance_at_br * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_cycle_int_rpm_br * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_bemf_coupling_k * 1000.0), &ind);
memcpy(send_buffer + ind, mcconf.hall_table, 8);
ind += 8;
buffer_append_int32(send_buffer, (int32_t)(mcconf.hall_sl_erpm * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.s_pid_kp * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.s_pid_ki * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.s_pid_kd * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.s_pid_min_rpm * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.p_pid_kp * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.p_pid_ki * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.p_pid_kd * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.cc_startup_boost_duty * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.cc_min_current * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.cc_gain * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.cc_ramp_step_max * 1000000.0), &ind);
buffer_append_int32(send_buffer, mcconf.m_fault_stop_time_ms, &ind);
commands_send_packet(send_buffer, ind);
break;
case COMM_SET_APPCONF:
appconf = *app_get_configuration();
ind = 0;
appconf.controller_id = data[ind++];
appconf.timeout_msec = buffer_get_uint32(data, &ind);
appconf.timeout_brake_current = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.send_can_status = data[ind++];
appconf.send_can_status_rate_hz = buffer_get_uint16(data, &ind);
appconf.app_to_use = data[ind++];
appconf.app_ppm_conf.ctrl_type = data[ind++];
appconf.app_ppm_conf.pid_max_erpm = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_ppm_conf.hyst = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_ppm_conf.pulse_start = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_ppm_conf.pulse_end = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_ppm_conf.median_filter = data[ind++];
appconf.app_ppm_conf.safe_start = data[ind++];
appconf.app_ppm_conf.rpm_lim_start = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_ppm_conf.rpm_lim_end = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_ppm_conf.multi_esc = data[ind++];
appconf.app_ppm_conf.tc = data[ind++];
appconf.app_ppm_conf.tc_max_diff = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_adc_conf.ctrl_type = data[ind++];
appconf.app_adc_conf.hyst = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_adc_conf.voltage_start = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_adc_conf.voltage_end = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_adc_conf.use_filter = data[ind++];
appconf.app_adc_conf.safe_start = data[ind++];
appconf.app_adc_conf.button_inverted = data[ind++];
appconf.app_adc_conf.voltage_inverted = data[ind++];
appconf.app_adc_conf.rpm_lim_start = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_adc_conf.rpm_lim_end = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_adc_conf.multi_esc = data[ind++];
appconf.app_adc_conf.tc = data[ind++];
appconf.app_adc_conf.tc_max_diff = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_adc_conf.update_rate_hz = buffer_get_uint16(data, &ind);
appconf.app_uart_baudrate = buffer_get_uint32(data, &ind);
appconf.app_chuk_conf.ctrl_type = data[ind++];
appconf.app_chuk_conf.hyst = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_chuk_conf.rpm_lim_start = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_chuk_conf.rpm_lim_end = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_chuk_conf.ramp_time_pos = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_chuk_conf.ramp_time_neg = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_chuk_conf.multi_esc = data[ind++];
appconf.app_chuk_conf.tc = data[ind++];
appconf.app_chuk_conf.tc_max_diff = (float)buffer_get_int32(data, &ind) / 1000.0;
conf_general_store_app_configuration(&appconf);
app_set_configuration(&appconf);
timeout_configure(appconf.timeout_msec, appconf.timeout_brake_current);
ind = 0;
send_buffer[ind++] = COMM_SET_APPCONF;
commands_send_packet(send_buffer, ind);
break;
case COMM_GET_APPCONF:
appconf = *app_get_configuration();
ind = 0;
send_buffer[ind++] = COMM_GET_APPCONF;
send_buffer[ind++] = appconf.controller_id;
buffer_append_uint32(send_buffer, appconf.timeout_msec, &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.timeout_brake_current * 1000.0), &ind);
send_buffer[ind++] = appconf.send_can_status;
buffer_append_uint16(send_buffer, appconf.send_can_status_rate_hz, &ind);
send_buffer[ind++] = appconf.app_to_use;
send_buffer[ind++] = appconf.app_ppm_conf.ctrl_type;
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_conf.pid_max_erpm * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_conf.hyst * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_conf.pulse_start * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_conf.pulse_end * 1000.0), &ind);
send_buffer[ind++] = appconf.app_ppm_conf.median_filter;
send_buffer[ind++] = appconf.app_ppm_conf.safe_start;
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_conf.rpm_lim_start * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_conf.rpm_lim_end * 1000.0), &ind);
send_buffer[ind++] = appconf.app_ppm_conf.multi_esc;
send_buffer[ind++] = appconf.app_ppm_conf.tc;
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_conf.tc_max_diff * 1000.0), &ind);
send_buffer[ind++] = appconf.app_adc_conf.ctrl_type;
buffer_append_int32(send_buffer, (int32_t)(appconf.app_adc_conf.hyst * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_adc_conf.voltage_start * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_adc_conf.voltage_end * 1000.0), &ind);
send_buffer[ind++] = appconf.app_adc_conf.use_filter;
send_buffer[ind++] = appconf.app_adc_conf.safe_start;
send_buffer[ind++] = appconf.app_adc_conf.button_inverted;
send_buffer[ind++] = appconf.app_adc_conf.voltage_inverted;
buffer_append_int32(send_buffer, (int32_t)(appconf.app_adc_conf.rpm_lim_start * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_adc_conf.rpm_lim_end * 1000.0), &ind);
send_buffer[ind++] = appconf.app_adc_conf.multi_esc;
send_buffer[ind++] = appconf.app_adc_conf.tc;
buffer_append_int32(send_buffer, (int32_t)(appconf.app_adc_conf.tc_max_diff * 1000.0), &ind);
buffer_append_uint16(send_buffer, appconf.app_adc_conf.update_rate_hz, &ind);
buffer_append_uint32(send_buffer, appconf.app_uart_baudrate, &ind);
send_buffer[ind++] = appconf.app_chuk_conf.ctrl_type;
buffer_append_int32(send_buffer, (int32_t)(appconf.app_chuk_conf.hyst * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_chuk_conf.rpm_lim_start * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_chuk_conf.rpm_lim_end * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_chuk_conf.ramp_time_pos * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_chuk_conf.ramp_time_neg * 1000.0), &ind);
send_buffer[ind++] = appconf.app_chuk_conf.multi_esc;
send_buffer[ind++] = appconf.app_chuk_conf.tc;
buffer_append_int32(send_buffer, (int32_t)(appconf.app_chuk_conf.tc_max_diff * 1000.0), &ind);
commands_send_packet(send_buffer, ind);
break;
case COMM_SAMPLE_PRINT:
ind = 0;
at_start = data[ind++];
sample_len = buffer_get_uint16(data, &ind);
decimation = data[ind++];
main_sample_print_data(at_start, sample_len, decimation);
break;
case COMM_TERMINAL_CMD:
data[len] = '\0';
terminal_process_string((char*)data);
break;
case COMM_DETECT_MOTOR_PARAM:
ind = 0;
detect_current = (float)buffer_get_int32(data, &ind) / 1000.0;
detect_min_rpm = (float)buffer_get_int32(data, &ind) / 1000.0;
detect_low_duty = (float)buffer_get_int32(data, &ind) / 1000.0;
chEvtSignal(detect_tp, (eventmask_t) 1);
break;
case COMM_REBOOT:
// Lock the system and enter an infinite loop. The watchdog will reboot.
__disable_irq();
for(;;){};
break;
case COMM_ALIVE:
timeout_reset();
break;
case COMM_GET_DECODED_PPM:
ind = 0;
send_buffer[ind++] = COMM_GET_DECODED_PPM;
buffer_append_int32(send_buffer, (int32_t)(servodec_get_servo(0) * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(servodec_get_last_pulse_len(0) * 1000000.0), &ind);
commands_send_packet(send_buffer, ind);
break;
case COMM_GET_DECODED_ADC:
ind = 0;
send_buffer[ind++] = COMM_GET_DECODED_ADC;
buffer_append_int32(send_buffer, (int32_t)(app_adc_get_decoded_level() * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(app_adc_get_voltage() * 1000000.0), &ind);
commands_send_packet(send_buffer, ind);
break;
case COMM_GET_DECODED_CHUK:
ind = 0;
send_buffer[ind++] = COMM_GET_DECODED_CHUK;
buffer_append_int32(send_buffer, (int32_t)(app_nunchuk_get_decoded_chuk() * 1000000.0), &ind);
commands_send_packet(send_buffer, ind);
break;
case COMM_FORWARD_CAN:
comm_can_send_buffer(data[0], data + 1, len - 1, false);
break;
default:
break;
}
}
static msg_t adc_thread(void *arg) {
(void)arg;
chRegSetThreadName("APP_ADC");
// Set servo pin as an input with pullup
palSetPadMode(HW_ICU_GPIO, HW_ICU_PIN, PAL_MODE_INPUT_PULLUP);
for(;;) {
// Sleep for a time according to the specified rate
systime_t sleep_time = CH_FREQUENCY / config.update_rate_hz;
// At least one tick should be slept to not block the other threads
if (sleep_time == 0) {
sleep_time = 1;
}
chThdSleep(sleep_time);
// Read the external ADC pin and convert the value to a voltage.
float pwr = (float)ADC_Value[ADC_IND_EXT];
pwr /= 4095;
pwr *= V_REG;
read_voltage = pwr;
// Optionally apply a mean value filter
if (config.use_filter) {
static float filter_buffer[FILTER_SAMPLES];
static int filter_ptr = 0;
filter_buffer[filter_ptr++] = pwr;
if (filter_ptr >= FILTER_SAMPLES) {
filter_ptr = 0;
}
pwr = 0.0;
for (int i = 0; i < FILTER_SAMPLES; i++) {
pwr += filter_buffer[i];
}
pwr /= FILTER_SAMPLES;
}
// Map and truncate the read voltage
pwr = utils_map(pwr, config.voltage_start, config.voltage_end, 0.0, 1.0);
utils_truncate_number(&pwr, 0.0, 1.0);
// Optionally invert the read voltage
if (config.voltage_inverted) {
pwr = 1.0 - pwr;
}
decoded_level = pwr;
// Read the servo pin and optionally invert it.
bool button_val = !palReadPad(HW_ICU_GPIO, HW_ICU_PIN);
if (config.button_inverted) {
button_val = !button_val;
}
switch (config.ctrl_type) {
case ADC_CTRL_TYPE_CURRENT_REV_CENTER:
case ADC_CTRL_TYPE_CURRENT_NOREV_BRAKE_CENTER:
case ADC_CTRL_TYPE_DUTY_REV_CENTER:
// Scale the voltage and set 0 at the center
pwr *= 2.0;
pwr -= 1.0;
break;
case ADC_CTRL_TYPE_CURRENT_REV_BUTTON:
case ADC_CTRL_TYPE_CURRENT_NOREV_BRAKE_BUTTON:
case ADC_CTRL_TYPE_DUTY_REV_BUTTON:
// Invert the voltage if the button is pressed
if (button_val) {
pwr = -pwr;
}
break;
default:
break;
}
// Apply a deadband
utils_deadband(&pwr, config.hyst, 1.0);
float current = 0;
bool current_mode = false;
bool current_mode_brake = false;
const volatile mc_configuration *mcconf = mcpwm_get_configuration();
bool send_duty = false;
// Use the filtered and mapped voltage for control according to the configuration.
switch (config.ctrl_type) {
case ADC_CTRL_TYPE_CURRENT:
case ADC_CTRL_TYPE_CURRENT_REV_CENTER:
case ADC_CTRL_TYPE_CURRENT_REV_BUTTON:
current_mode = true;
if (pwr >= 0.0) {
current = pwr * mcconf->l_current_max;
} else {
current = pwr * fabsf(mcconf->l_current_min);
}
if (fabsf(pwr) < 0.001) {
ms_without_power += (1000.0 * (float)sleep_time) / (float)CH_FREQUENCY;
}
break;
case ADC_CTRL_TYPE_CURRENT_NOREV_BRAKE_CENTER:
case ADC_CTRL_TYPE_CURRENT_NOREV_BRAKE_BUTTON:
current_mode = true;
if (pwr >= 0.0) {
current = pwr * mcconf->l_current_max;
} else {
current = fabsf(pwr * mcconf->l_current_min);
current_mode_brake = true;
}
if (pwr < 0.001) {
ms_without_power += (1000.0 * (float)sleep_time) / (float)CH_FREQUENCY;
}
break;
case ADC_CTRL_TYPE_DUTY:
case ADC_CTRL_TYPE_DUTY_REV_CENTER:
case ADC_CTRL_TYPE_DUTY_REV_BUTTON:
if (fabsf(pwr) < 0.001) {
ms_without_power += (1000.0 * (float)sleep_time) / (float)CH_FREQUENCY;
}
if (!(ms_without_power < MIN_MS_WITHOUT_POWER && config.safe_start)) {
mcpwm_set_duty(pwr);
send_duty = true;
}
break;
default:
continue;
}
// If safe start is enabled and the output has not been zero for long enough
if (ms_without_power < MIN_MS_WITHOUT_POWER && config.safe_start) {
static int pulses_without_power_before = 0;
if (ms_without_power == pulses_without_power_before) {
ms_without_power = 0;
}
pulses_without_power_before = ms_without_power;
mcpwm_set_brake_current(timeout_get_brake_current());
continue;
}
// Reset timeout
timeout_reset();
// Find lowest RPM (for traction control)
float rpm_local = mcpwm_get_rpm();
float rpm_lowest = rpm_local;
if (config.multi_esc) {
for (int i = 0; i < CAN_STATUS_MSGS_TO_STORE; i++) {
can_status_msg *msg = comm_can_get_status_msg_index(i);
if (msg->id >= 0 && UTILS_AGE_S(msg->rx_time) < MAX_CAN_AGE) {
float rpm_tmp = msg->rpm;
if (fabsf(rpm_tmp) < fabsf(rpm_lowest)) {
rpm_lowest = rpm_tmp;
}
}
}
}
// Optionally send the duty cycles to the other ESCs seen on the CAN-bus
if (send_duty && config.multi_esc) {
float duty = mcpwm_get_duty_cycle_now();
for (int i = 0; i < CAN_STATUS_MSGS_TO_STORE; i++) {
can_status_msg *msg = comm_can_get_status_msg_index(i);
if (msg->id >= 0 && UTILS_AGE_S(msg->rx_time) < MAX_CAN_AGE) {
comm_can_set_duty(msg->id, duty);
}
}
}
if (current_mode) {
if (current_mode_brake) {
mcpwm_set_brake_current(current);
// Send brake command to all ESCs seen recently on the CAN bus
for (int i = 0; i < CAN_STATUS_MSGS_TO_STORE; i++) {
can_status_msg *msg = comm_can_get_status_msg_index(i);
if (msg->id >= 0 && UTILS_AGE_S(msg->rx_time) < MAX_CAN_AGE) {
comm_can_set_current_brake(msg->id, current);
}
}
} else {
// Apply soft RPM limit
if (rpm_lowest > config.rpm_lim_end && current > 0.0) {
current = mcconf->cc_min_current;
} else if (rpm_lowest > config.rpm_lim_start && current > 0.0) {
current = utils_map(rpm_lowest, config.rpm_lim_start, config.rpm_lim_end, current, mcconf->cc_min_current);
} else if (rpm_lowest < -config.rpm_lim_end && current < 0.0) {
current = mcconf->cc_min_current;
} else if (rpm_lowest < -config.rpm_lim_start && current < 0.0) {
rpm_lowest = -rpm_lowest;
current = -current;
current = utils_map(rpm_lowest, config.rpm_lim_start, config.rpm_lim_end, current, mcconf->cc_min_current);
current = -current;
rpm_lowest = -rpm_lowest;
}
float current_out = current;
bool is_reverse = false;
if (current_out < 0.0) {
is_reverse = true;
current_out = -current_out;
current = -current;
rpm_local = -rpm_local;
rpm_lowest = -rpm_lowest;
}
// Traction control
if (config.multi_esc) {
for (int i = 0; i < CAN_STATUS_MSGS_TO_STORE; i++) {
can_status_msg *msg = comm_can_get_status_msg_index(i);
if (msg->id >= 0 && UTILS_AGE_S(msg->rx_time) < MAX_CAN_AGE) {
if (config.tc) {
float rpm_tmp = msg->rpm;
if (is_reverse) {
rpm_tmp = -rpm_tmp;
}
float diff = rpm_tmp - rpm_lowest;
current_out = utils_map(diff, 0.0, config.tc_max_diff, current, 0.0);
if (current_out < mcconf->cc_min_current) {
current_out = 0.0;
}
}
if (is_reverse) {
comm_can_set_current(msg->id, -current_out);
} else {
comm_can_set_current(msg->id, current_out);
}
}
}
if (config.tc) {
float diff = rpm_local - rpm_lowest;
current_out = utils_map(diff, 0.0, config.tc_max_diff, current, 0.0);
if (current_out < mcconf->cc_min_current) {
current_out = 0.0;
}
}
}
if (is_reverse) {
mcpwm_set_current(-current_out);
} else {
mcpwm_set_current(current_out);
}
}
}
}
return 0;
}
/**
* Process a received buffer with commands and data.
*
* @param data
* The buffer to process.
*
* @param len
* The length of the buffer.
*/
void commands_process_packet(unsigned char *data, unsigned char len) {
if (!len) {
return;
}
COMM_PACKET_ID packet_id;
int32_t ind = 0;
uint16_t sample_len;
uint8_t decimation;
bool at_start;
mc_configuration mcconf;
app_configuration appconf;
(void)len;
packet_id = data[0];
data++;
len--;
switch (packet_id) {
case COMM_GET_VALUES:
ind = 0;
send_buffer[ind++] = COMM_GET_VALUES;
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_MOS1) * 10.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_MOS2) * 10.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_MOS3) * 10.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_MOS4) * 10.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_MOS5) * 10.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_MOS6) * 10.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(NTC_TEMP(ADC_IND_TEMP_PCB) * 10.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcpwm_read_reset_avg_motor_current() * 100.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcpwm_read_reset_avg_input_current() * 100.0), &ind);
buffer_append_int16(send_buffer, (int16_t)(mcpwm_get_duty_cycle_now() * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)mcpwm_get_rpm(), &ind);
buffer_append_int16(send_buffer, (int16_t)(GET_INPUT_VOLTAGE() * 10.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcpwm_get_amp_hours(false) * 10000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcpwm_get_amp_hours_charged(false) * 10000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcpwm_get_watt_hours(false) * 10000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcpwm_get_watt_hours_charged(false) * 10000.0), &ind);
buffer_append_int32(send_buffer, mcpwm_get_tachometer_value(false), &ind);
buffer_append_int32(send_buffer, mcpwm_get_tachometer_abs_value(false), &ind);
send_buffer[ind++] = mcpwm_get_fault();
send_packet(send_buffer, ind);
break;
case COMM_SET_DUTY:
ind = 0;
mcpwm_set_duty((float)buffer_get_int32(data, &ind) / 100000.0);
timeout_reset();
break;
case COMM_SET_CURRENT:
ind = 0;
mcpwm_set_current((float)buffer_get_int32(data, &ind) / 1000.0);
timeout_reset();
break;
case COMM_SET_CURRENT_BRAKE:
ind = 0;
mcpwm_set_brake_current((float)buffer_get_int32(data, &ind) / 1000.0);
timeout_reset();
break;
case COMM_SET_RPM:
ind = 0;
mcpwm_set_pid_speed((float)buffer_get_int32(data, &ind));
timeout_reset();
break;
case COMM_SET_DETECT:
mcpwm_set_detect();
timeout_reset();
break;
case COMM_SET_SERVO_OFFSET:
servos[0].offset = data[0];
break;
case COMM_SET_MCCONF:
mcconf = *mcpwm_get_configuration();
ind = 0;
mcconf.pwm_mode = data[ind++];
mcconf.comm_mode = data[ind++];
mcconf.l_current_max = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_current_min = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_in_current_max = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_in_current_min = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_abs_current_max = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_min_erpm = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_max_erpm = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_max_erpm_fbrake = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_min_vin = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_max_vin = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.l_slow_abs_current = data[ind++];
mcconf.l_rpm_lim_neg_torque = data[ind++];
mcconf.lo_current_max = mcconf.l_current_max;
mcconf.lo_current_min = mcconf.l_current_min;
mcconf.lo_in_current_max = mcconf.l_in_current_max;
mcconf.lo_in_current_min = mcconf.l_in_current_min;
mcconf.sl_is_sensorless = data[ind++];
mcconf.sl_min_erpm = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.sl_min_erpm_cycle_int_limit = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.sl_cycle_int_limit = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.sl_cycle_int_limit_high_fac = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.sl_cycle_int_rpm_br = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.sl_bemf_coupling_k = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.hall_dir = data[ind++];
mcconf.hall_fwd_add = data[ind++];
mcconf.hall_rev_add = data[ind++];
mcconf.s_pid_kp = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.s_pid_ki = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.s_pid_kd = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.s_pid_min_rpm = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.cc_startup_boost_duty = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.cc_min_current = (float)buffer_get_int32(data, &ind) / 1000.0;
mcconf.cc_gain = (float)buffer_get_int32(data, &ind) / 1000000.0;
mcconf.m_fault_stop_time_ms = buffer_get_int32(data, &ind);
conf_general_store_mc_configuration(&mcconf);
mcpwm_set_configuration(&mcconf);
break;
case COMM_GET_MCCONF:
mcconf = *mcpwm_get_configuration();
ind = 0;
send_buffer[ind++] = COMM_GET_MCCONF;
send_buffer[ind++] = mcconf.pwm_mode;
send_buffer[ind++] = mcconf.comm_mode;
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_current_max * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_current_min * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_in_current_max * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_in_current_min * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_abs_current_max * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_min_erpm * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_max_erpm * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_max_erpm_fbrake * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_min_vin * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.l_max_vin * 1000.0), &ind);
send_buffer[ind++] = mcconf.l_slow_abs_current;
send_buffer[ind++] = mcconf.l_rpm_lim_neg_torque;
send_buffer[ind++] = mcconf.sl_is_sensorless;
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_min_erpm * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_min_erpm_cycle_int_limit * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_cycle_int_limit * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_cycle_int_limit_high_fac * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_cycle_int_rpm_br * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.sl_bemf_coupling_k * 1000.0), &ind);
send_buffer[ind++] = mcconf.hall_dir;
send_buffer[ind++] = mcconf.hall_fwd_add;
send_buffer[ind++] = mcconf.hall_rev_add;
buffer_append_int32(send_buffer, (int32_t)(mcconf.s_pid_kp * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.s_pid_ki * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.s_pid_kd * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.s_pid_min_rpm * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.cc_startup_boost_duty * 1000000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.cc_min_current * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(mcconf.cc_gain * 1000000.0), &ind);
buffer_append_int32(send_buffer, mcconf.m_fault_stop_time_ms, &ind);
send_packet(send_buffer, ind);
break;
case COMM_SET_APPCONF:
appconf = *app_get_configuration();
ind = 0;
appconf.timeout_msec = buffer_get_uint32(data, &ind);
appconf.timeout_brake_current = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_to_use = data[ind++];
appconf.app_ppm_ctrl_type = data[ind++];
appconf.app_ppm_pid_max_erpm = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_ppm_hyst = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_ppm_pulse_start = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_ppm_pulse_width = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_ppm_rpm_lim_start = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_ppm_rpm_lim_end = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_uart_baudrate = buffer_get_uint32(data, &ind);
appconf.app_chuk_ctrl_type = data[ind++];
appconf.app_chuk_hyst = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_chuk_rpm_lim_start = (float)buffer_get_int32(data, &ind) / 1000.0;
appconf.app_chuk_rpm_lim_end = (float)buffer_get_int32(data, &ind) / 1000.0;
conf_general_store_app_configuration(&appconf);
app_set_configuration(&appconf);
timeout_configure(appconf.timeout_msec, appconf.timeout_brake_current);
break;
case COMM_GET_APPCONF:
appconf = *app_get_configuration();
ind = 0;
send_buffer[ind++] = COMM_GET_APPCONF;
buffer_append_uint32(send_buffer, appconf.timeout_msec, &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.timeout_brake_current * 1000.0), &ind);
send_buffer[ind++] = appconf.app_to_use;
send_buffer[ind++] = appconf.app_ppm_ctrl_type;
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_pid_max_erpm * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_hyst * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_pulse_start * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_pulse_width * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_rpm_lim_start * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_ppm_rpm_lim_end * 1000.0), &ind);
buffer_append_uint32(send_buffer, appconf.app_uart_baudrate, &ind);
send_buffer[ind++] = appconf.app_chuk_ctrl_type;
buffer_append_int32(send_buffer, (int32_t)(appconf.app_chuk_hyst * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_chuk_rpm_lim_start * 1000.0), &ind);
buffer_append_int32(send_buffer, (int32_t)(appconf.app_chuk_rpm_lim_end * 1000.0), &ind);
send_packet(send_buffer, ind);
break;
case COMM_SAMPLE_PRINT:
ind = 0;
at_start = data[ind++];
sample_len = buffer_get_uint16(data, &ind);
decimation = data[ind++];
main_sample_print_data(at_start, sample_len, decimation);
break;
case COMM_TERMINAL_CMD:
data[len] = '\0';
terminal_process_string((char*)data);
break;
case COMM_DETECT_MOTOR_PARAM:
ind = 0;
detect_current = (float)buffer_get_int32(data, &ind) / 1000.0;
detect_min_rpm = (float)buffer_get_int32(data, &ind) / 1000.0;
detect_low_duty = (float)buffer_get_int32(data, &ind) / 1000.0;
chEvtSignal(detect_tp, (eventmask_t) 1);
break;
case COMM_REBOOT:
// Lock the system and enter an infinite loop. The watchdog will reboot.
__disable_irq();
for(;;){};
break;
case COMM_ALIVE:
timeout_reset();
break;
case COMM_GET_DECODED_PPM:
ind = 0;
send_buffer[ind++] = COMM_GET_DECODED_PPM;
buffer_append_int32(send_buffer, (int32_t)(servodec_get_servo(0) * 1000000.0), &ind);
send_packet(send_buffer, ind);
break;
case COMM_GET_DECODED_CHUK:
ind = 0;
send_buffer[ind++] = COMM_GET_DECODED_CHUK;
buffer_append_int32(send_buffer, (int32_t)(app_nunchuk_get_decoded_chuk() * 1000000.0), &ind);
send_packet(send_buffer, ind);
break;
default:
break;
}
}