Files
RaDrone/Source/main.c

136 lines
2.3 KiB
C

#include "stm32g431xx.h"
#include "imu.h"
#include "imu_processing.h"
#include "IRS.h"
#include "attitude.h"
#include "radio_receiver.h"
#include "motors.h"
#include "pid.h"
#include "lidar.h"
void TIM6_DAC_IRQHandler();
//static uint8_t irs_update_flag = 0;
static uint8_t control_update_flag = 0;
static uint8_t allowed_calib = 0;
imu_raw_t imu_raw;
imu_scaled_t imu;
IRS irs;
attitude_t attitude;
rc_channels rx_chs_raw;
rc_channels rx_chs_normalized;
control_channels_t ctrl_chs;
//lidar_data lidar;
Vector3 euler;
void imu_callback(uint8_t* buf);
void delay_ms(uint32_t ms);
int main(void)
{
__enable_irq();
NVIC_SetPriority(TIM6_DAC_IRQn, 2);
NVIC_SetPriority(USART3_IRQn, 1);
NVIC_SetPriority(LPUART1_IRQn, 0);
imu_pow_init();
i2c_gpio_init();
i2c1_init();
imu_init();
imu_processing_init();
//imu_accel_calibrate();
imu_tim6_init(500);
IRS_init(&irs);
attitude_init(&attitude);
receiver_init();
motors_init();
while (1)
{
receiver_update(&rx_chs_raw);
rx_chs_normalized = normalize_channels(rx_chs_raw);
if (control_update_flag)
{
control_update_flag = 0;
attitude_controller_update(
&ctrl_chs,
&rx_chs_normalized,
&irs.q,
&irs.gyro
);
}
if (rx_chs_normalized.rc_armed)
{
allowed_calib = 0;
motors_set_throttle_mix(
rx_chs_normalized.rc_throttle,
&ctrl_chs,
rx_chs_normalized.rc_armed
);
}
else
{
motors_turn_off();
allowed_calib = 1;
}
}
}
void imu_callback(uint8_t* buf)
{
imu_raw.ax = (buf[0] << 8) | buf[1];
imu_raw.ay = (buf[2] << 8) | buf[3];
imu_raw.az = (buf[4] << 8) | buf[5];
imu_raw.gx = (buf[6] << 8) | buf[7];
imu_raw.gy = (buf[8] << 8) | buf[9];
imu_raw.gz = (buf[10] << 8) | buf[11];
imu_process_raw(&imu, &imu_raw, &allowed_calib);
irs.gyro.x = imu.gx;
irs.gyro.y = imu.gy;
irs.gyro.z = imu.gz;
irs.accel.x = imu.ax;
irs.accel.y = imu.ay;
irs.accel.z = imu.az;
IRS_update(&irs, IMU_DT);
euler = QuatToEuler(&irs.q);
}
void TIM6_DAC_IRQHandler()
{
if (TIM6->SR & TIM_SR_UIF)
{
TIM6->SR &= ~TIM_SR_UIF;
i2c_read_async(ICM_ADDR, 0x2D, 12, imu_callback);
control_update_flag = 1;
}
}
void delay_ms(uint32_t ms)
{
for (uint32_t i = 0; i < ms * 4000; i++);
}