int drotek_marg2_init(drotek_marg2_t *marg2, i2c_bus_t *bus)
{
THROW_BEGIN();
THROW_ON_ERR(mpu6050_init(&marg2->mpu, bus, MPU6050_DLPF_CFG_94_98Hz, MPU6050_FS_SEL_500, MPU6050_AFS_SEL_4G));
THROW_ON_ERR(hmc5883_init(&marg2->hmc, bus));
THROW_END();
}
int main()
{
uint16_t a;
int rv;
uint8_t x;
uart_init();
i2c_init();
/*for compass*/
uint8_t buf;
double angle=0;
uint16_t angle1=0;
hmc5883_init();
Prints("hmc5883_init ok!\n\r");
while(1)
{
buf = 0x00;
write_bytes(0x02,1,&buf);
angle=CompassAngle(0,0,0);
angle1=angle;
Prints("Azimuth=");
PrintInt(angle1/10);
uart_putchar('.');
PrintUchar(angle1%10);
_delay_ms(300);
}
return 0;
}
int drotek_marg_init(drotek_marg_t *marg, i2c_bus_t *bus)
{
THROW_BEGIN();
THROW_ON_ERR(itg3200_init(&marg->itg, bus, ITG3200_DLPF_98HZ));
THROW_ON_ERR(bma180_init(&marg->bma, bus, BMA180_RANGE_4G, BMA180_BW_40HZ));
THROW_ON_ERR(hmc5883_init(&marg->hmc, bus));
THROW_END();
}
void main_thread()
{
printf_(OS_WELCOME_MESSAGE);
u32 res = hmc5883_init();
while (1)
{
led_on(LED_1);
hmc5883_read();
//printf_("%u : %i %i %i\n", res, g_hmc5883.mx, g_hmc5883.my, g_hmc5883.mz);
printf_("%u : %i \n", res, g_hmc5883.mz);
led_off(LED_1);
timer_delay_ms(100);
}
robot_main();
}
int main(void)
{
i2c_bus_t bus;
int ret = i2c_bus_open(&bus, "/dev/i2c-3");
if (ret < 0)
{
fatal("could not open i2c bus", ret);
return EXIT_FAILURE;
}
/* ITG: */
itg3200_dev_t itg;
itg_again:
ret = itg3200_init(&itg, &bus, ITG3200_DLPF_42HZ);
if (ret < 0)
{
fatal("could not inizialize ITG3200", ret);
if (ret == -EAGAIN)
{
goto itg_again;
}
return EXIT_FAILURE;
}
/* BMA: */
bma180_dev_t bma;
bma180_init(&bma, &bus, BMA180_RANGE_4G, BMA180_BW_10HZ);
/* HMC: */
hmc5883_dev_t hmc;
hmc5883_init(&hmc, &bus);
/* MS: */
ms5611_dev_t ms;
ret = ms5611_init(&ms, &bus, MS5611_OSR4096, MS5611_OSR4096);
if (ret < 0)
{
fatal("could not inizialize MS5611", ret);
return EXIT_FAILURE;
}
pthread_t thread;
pthread_create(&thread, NULL, ms5611_reader, &ms);
/* initialize AHRS filter: */
madgwick_ahrs_t madgwick_ahrs;
madgwick_ahrs_init(&madgwick_ahrs, STANDARD_BETA);
interval_t interval;
interval_init(&interval);
float init = START_BETA;
udp_socket_t *socket = udp_socket_create("10.0.0.100", 5005, 0, 0);
/* kalman filter: */
kalman_t kalman1, kalman2, kalman3;
kalman_init(&kalman1, 1.0e-6, 1.0e-2, 0, 0);
kalman_init(&kalman2, 1.0e-6, 1.0e-2, 0, 0);
kalman_init(&kalman3, 1.0e-6, 1.0e-2, 0, 0);
vec3_t global_acc; /* x = N, y = E, z = D */
int init_done = 0;
int converged = 0;
sliding_avg_t *avg[3];
avg[0] = sliding_avg_create(1000, 0.0);
avg[1] = sliding_avg_create(1000, 0.0);
avg[2] = sliding_avg_create(1000, -9.81);
float alt_rel_last = 0.0;
int udp_cnt = 0;
while (1)
{
int i;
float dt = interval_measure(&interval);
init -= BETA_STEP;
if (init < FINAL_BETA)
{
init = FINAL_BETA;
init_done = 1;
}
madgwick_ahrs.beta = init;
/* sensor data acquisition: */
itg3200_read_gyro(&itg);
bma180_read_acc(&bma);
hmc5883_read(&hmc);
/* state estimates and output: */
euler_t euler;
madgwick_ahrs_update(&madgwick_ahrs, itg.gyro.x, itg.gyro.y, itg.gyro.z, bma.raw.x, bma.raw.y, bma.raw.z, hmc.raw.x, hmc.raw.y, hmc.raw.z, 11.0, dt);
quat_t q_body_to_world;
quat_copy(&q_body_to_world, &madgwick_ahrs.quat);
quat_rot_vec(&global_acc, &bma.raw, &q_body_to_world);
for (i = 0; i < 3; i++)
{
global_acc.vec[i] -= sliding_avg_calc(avg[i], global_acc.vec[i]);
}
if (init_done)
{
kalman_in_t kalman_in;
kalman_in.dt = dt;
kalman_in.pos = 0;
kalman_out_t kalman_out;
kalman_in.acc = global_acc.x;
kalman_run(&kalman_out, &kalman1, &kalman_in);
kalman_in.acc = global_acc.y;
kalman_run(&kalman_out, &kalman2, &kalman_in);
kalman_in.acc = -global_acc.z;
pthread_mutex_lock(&mutex);
kalman_in.pos = alt_rel;
pthread_mutex_unlock(&mutex);
kalman_run(&kalman_out, &kalman3, &kalman_in);
if (!converged)
{
if (fabs(kalman_out.pos - alt_rel) < 0.1)
{
converged = 1;
fprintf(stderr, "init done\n");
}
}
if (converged) // && udp_cnt++ > 10)
{
if (udp_cnt++ == 10)
{
char buffer[1024];
udp_cnt = 0;
int len = sprintf(buffer, "%f %f %f %f %f %f %f", madgwick_ahrs.quat.q0, madgwick_ahrs.quat.q1, madgwick_ahrs.quat.q2, madgwick_ahrs.quat.q3,
global_acc.x, global_acc.y, global_acc.z);
udp_socket_send(socket, buffer, len);
}
printf("%f %f %f\n", -global_acc.z, alt_rel, kalman_out.pos);
fflush(stdout);
}
}
}
return 0;
}
/*
* Application entry point.
*/
int main(void)
{
enum led_status lstat = LST_INIT;
EventListener el0;
alert_status_t proto_st = ALST_INIT;
alert_status_t bmp085_st = ALST_INIT;
alert_status_t mpu6050_st = ALST_INIT;
alert_status_t hmc5883_st = ALST_INIT;
/*
* System initializations.
* - HAL initialization, this also initializes the configured device drivers
* and performs the board-specific initializations.
* - Kernel initialization, the main() function becomes a thread and the
* RTOS is active.
*/
halInit();
chSysInit();
#ifdef BOARD_IMU_AHRF
/* Clear DRDY pad */
palClearPad(GPIOA, GPIOA_DRDY);
/* Activates serial */
sdStart(&SD1, NULL);
sdStart(&SD2, NULL);
/* Activate pwm */
pwmStart(&PWMD1, &pwm1cfg);
/* Activate i2c */
i2cStart(&I2CD1, &i2c1cfg);
/* Activate exti */
extStart(&EXTD1, &extcfg);
#endif /* BOARD_IMU_AHRF */
#ifdef BOARD_CAPTAIN_PRO2
/* Activates serial */
sdStart(&SD3, NULL);
sdStart(&SD4, NULL);
/* Activate pwm */
pwmStart(&PWMD3, &pwm3cfg);
pwmStart(&PWMD4, &pwm4cfg);
pwmStart(&PWMD5, &pwm5cfg);
/* Activate i2c */
i2cStart(&I2CD1, &i2c1cfg);
/* Activate exti */
extStart(&EXTD1, &extcfg);
/* Activate adc */
adcStart(&ADCD1, NULL);
#endif /* BOARD_CAPTAIN_PRO2 */
/* alert subsys */
chEvtInit(&alert_event_source);
chEvtRegister(&alert_event_source, &el0, 0);
/* init devices */
pt_init();
chThdSleepMilliseconds(10); /* power on delay */
#ifdef HAS_DEV_BMP085
bmp085_init();
chThdSleepMilliseconds(50); /* init delay */
#endif
#ifdef HAS_DEV_MS5611
ms5611_init(&ms5611cfg);
chThdSleepMilliseconds(50); /* init delay */
#endif
#ifdef HAS_DEV_MPU6050
mpu6050_init(&mpu6050cfg);
chThdSleepMilliseconds(250); /* give some time for mpu6050 configuration */
#endif
#ifdef HAS_DEV_HMC5883
hmc5883_init(&hmc5883cfg);
#endif
#ifdef HAS_DEV_SERVOPWM
servopwm_init(&servopwmcfg);
#endif
#ifdef HAS_DEV_NTC10K
ntc10k_init();
#endif
#ifdef HAS_DEV_RPM
rpm_init();
#endif
#ifdef BOARD_IMU_AHRF
/* Set DRDY pad */
palSetPad(GPIOA, GPIOA_DRDY);
#endif
while (TRUE) {
eventmask_t msk = chEvtWaitOneTimeout(ALL_EVENTS, MS2ST(100));
if (msk & EVENT_MASK(0)) {
flagsmask_t fl = chEvtGetAndClearFlags(&el0);
if (fl & ALERT_FLAG_PROTO)
proto_st = pt_get_status();
#ifdef HAS_DEV_MPU6050
if (fl & ALERT_FLAG_MPU6050)
mpu6050_st = mpu6050_get_status();
#endif
#ifdef HAS_DEV_HMC5883
if (fl & ALERT_FLAG_HMC5883)
hmc5883_st = hmc5883_get_status();
#endif
#ifdef HAS_DEV_BMP085
if (fl & ALERT_FLAG_BMP085)
bmp085_st = bmp085_get_status();
#endif
#ifdef HAS_DEV_MS5611
if (fl & ALERT_FLAG_BMP085)
bmp085_st = ms5611_get_status();
#endif
pt_set_sens_state(mpu6050_st, hmc5883_st, bmp085_st);
}
if (proto_st == ALST_FAIL || mpu6050_st == ALST_FAIL || hmc5883_st == ALST_FAIL || bmp085_st == ALST_FAIL)
lstat = LST_FAIL;
else if (proto_st == ALST_INIT || mpu6050_st == ALST_INIT || hmc5883_st == ALST_INIT || bmp085_st == ALST_INIT)
lstat = LST_INIT;
else if (proto_st == ALST_NORMAL && mpu6050_st == ALST_NORMAL && hmc5883_st == ALST_NORMAL && bmp085_st == ALST_NORMAL)
lstat = LST_NORMAL;
led_update(lstat);
}
}