Utilisation de plusieurs gyroscopes
This commit is contained in:
parent
c9cb35aa33
commit
3137dc5583
@ -10,6 +10,7 @@ spi_nb.c
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gyro.c
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Temps.c
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Servomoteur.c
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gyro_L3GD20H.c
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)
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pico_enable_stdio_usb(test 1)
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pico_enable_stdio_uart(test 1)
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@ -1,4 +1,4 @@
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set title "Observation des 3 axes\nT_{acq} : 5 ms"
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set title "Observation des 3 axes\nT_{acq} : 5 ms - filtre 15 secondes"
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set xlabel "Temps (s)"
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set ylabel "Vitesse (°/s)"
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@ -1,4 +1,4 @@
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set title "Observation des 3 axes\nT_{acq} : 5 ms"
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set title "Observation des 3 axes\nT_{acq} : 5 ms - filtre 15 secondes"
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set xlabel "Temps (s)"
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set ylabel "Vitesse (°/s)"
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179
gyro.c
179
gyro.c
@ -7,17 +7,26 @@
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#include "Temps.h"
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#include "gyro.h"
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struct t_angle_gyro{
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int32_t rot_x, rot_y, rot_z, temp;
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};
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#define GYRO_L3GD20H
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#ifdef GYRO_L3GD20H
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#include "gyro_L3GD20H.h"
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#else
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#ifdef GYRO_ADXRS453
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#include "gyro_ADXRS453.h"
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#else
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#error "Choissisez un gyroscope"
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#endif
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#endif
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/// @brief structure d'échange des angles du gyrocope
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struct t_angle_gyro vitesse_angulaire, vitesse_calibration;
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struct t_angle_gyro _vitesse_calibration;
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struct t_angle_gyro *vitesse_calibration;
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struct t_angle_gyro_double _vitesse_angulaire;
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struct t_angle_gyro_double *vitesse_angulaire;
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int gyro_init_check();
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void gyro_config();
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int gyro_read_register_blocking(uint8_t registrer, uint8_t *tampon, uint8_t nb_a_lire);
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void gyro_get_angles(struct t_angle_gyro* angle_gyro, struct t_angle_gyro* angle_gyro_moy);
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void gyro_calibration(void);
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uint32_t rot_x_zero, rot_y_zero, rot_z_zero;
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@ -45,16 +54,14 @@ void Gyro_Init(void){
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gpio_set_dir(PIN_CS, GPIO_OUT);
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cs_deselect();
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vitesse_calibration.rot_x = 0;
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vitesse_calibration.rot_y = 0;
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vitesse_calibration.rot_z = 0;
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vitesse_calibration.temp = 0;
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vitesse_calibration = NULL;
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vitesse_angulaire = &_vitesse_angulaire;
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//spi_init(spi0, 100 * 1000); // SPI init @ 100 kHz
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uint speed = spi_init(spi0, 2 * 1000 * 1000); // SPI init @ 2 MHz
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printf("vitesse SPI : %d\n", speed);
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//Ça doit être les valeurs par défaut, mais ça marche !
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spi_set_format(spi0, 8, SPI_CPHA_1, SPI_CPOL_1, SPI_MSB_FIRST);
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// Test de la présence du gyroscope :
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@ -62,7 +69,12 @@ void Gyro_Init(void){
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puts("Gyroscope non trouve");
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}else{
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puts("Gyroscope trouve");
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gyro_config();
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if(!gyro_config()){
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puts("gyro_config ok !");
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}else{
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printf("gyro_config FAILED !");
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}
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}
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sleep_ms(150); // Temps d'init du gyroscope
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/*while(1){
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@ -70,102 +82,31 @@ void Gyro_Init(void){
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}*/
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}
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int gyro_init_check(){
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// Renvoi 0 si l'initialisation s'est bien passée
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// Renvoi 1 si le gyroscope n'a pas répondu
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uint8_t tampon[2]="";
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gyro_read_register_blocking(0x0F, tampon, 1);
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if(tampon[0] == 0xd7){
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return 0;
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}
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return 1;
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}
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void gyro_config(){
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// Registre CTRL1
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// DR : 11
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// BW : 10
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// PD : 1
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// Zen : 1
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// Yen : 1
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// Xen : 1
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uint8_t config = 0b11101111;
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uint16_t tampon[2] = {0x20, config};
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uint8_t tampon2[10]="\0\0\0\0\0\0\0\0\0";
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int statu, nb_read;
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//while(spi_nb_busy(spi0) == SPI_BUSY);
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cs_select();
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int rep = spi_nb_write_data(spi0, tampon, 2);
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if(rep == SPI_ERR_TRANSMIT_FIFO_FULL){
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printf("Erreur: spi_read_register: SPI_ERR_TRANSMIT_FIFO_FULL\n");
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//return statu;
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}
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while(spi_nb_busy(spi0));
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cs_deselect();
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int nb_lu = spi_read_register(spi0, 0x20, tampon2, 1);
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printf("Nb lu: %d\n", nb_lu);
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if(tampon2[1] == config){
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puts("gyro_config ok !");
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}else{
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printf("gyro_config FAILED ! :%#4x\n", tampon2[1]);
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}
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// Registre
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}
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int gyro_read_register_blocking(uint8_t registrer, uint8_t *tampon, uint8_t nb_a_lire){
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uint8_t reg = registrer | 0xC0 ;
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int nb_recu;
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cs_select();
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spi_write_blocking(spi0, ®, 1);
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sleep_ms(10);
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nb_recu = spi_read_blocking(spi0, 0, tampon, nb_a_lire);
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cs_deselect();
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}
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void Gyro_Read(uint16_t step_ms){
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uint8_t tampon[10]="\0\0\0\0\0\0\0\0\0";
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uint8_t tampon2[10]="ABCDEFGHI";
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int16_t rot_x, rot_y, rot_z;
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static double angle_x=0, angle_y=0, angle_z=0;
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struct t_angle_gyro * _vitesse_angulaire_brute;
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struct t_angle_gyro m_vitesse_angulaire_brute;
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int nb_recu;
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_vitesse_angulaire_brute = &m_vitesse_angulaire_brute;
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//spi_read_register(spi0, 0x20, tampon, 1);
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//printf ("Gyro CTRL1 (bis) : %#4x\n", tampon[1] );
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//printf ("RPI SSPCPSR : %#4x\n", spi_get_hw(spi0)->cpsr );
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//printf ("RPI SSPCR0 : %#4x\n", spi_get_hw(spi0)->cr0 );
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gyro_get_angles(&vitesse_angulaire, &vitesse_calibration);
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// Acquisition des valeurs
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gyro_get_vitesse_brute(_vitesse_angulaire_brute, vitesse_calibration);
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//gyro_get_angles(&vitesse_angulaire, NULL);
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// Angle en degré
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vitesse_gyro.rot_x = (double)vitesse_angulaire.rot_x * 0.00875 / 32.0;
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vitesse_gyro.rot_y = (double)vitesse_angulaire.rot_y * 0.00875 / 32.0;
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vitesse_gyro.rot_z = (double)vitesse_angulaire.rot_z * 0.00875 / 32.0;
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angle_gyro.rot_x = angle_gyro.rot_x + vitesse_gyro.rot_x * step_ms * 0.001;
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angle_gyro.rot_y = angle_gyro.rot_y + vitesse_gyro.rot_y * step_ms * 0.001;
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angle_gyro.rot_z = angle_gyro.rot_z + vitesse_gyro.rot_z * step_ms * 0.001;
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// conversion de la vitesse angulaire en degré/seconde
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gyro_get_vitesse_normalisee(_vitesse_angulaire_brute, vitesse_angulaire);
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//printf("%d, %#4x, %#4x, %#4x\n", step_ms, vitesse_angulaire.rot_x, vitesse_angulaire.rot_y, vitesse_angulaire.rot_z);
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//printf("rx : %f, ry : %f, rz: %f\n", angle_gyro.rot_x, angle_gyro.rot_y, angle_gyro.rot_z);
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vitesse_gyro = *vitesse_angulaire;
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//while(spi_nb_busy(spi0));
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//spi_nb_read_data_8bits(spi0,tampon);
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//printf("tampon : %s\n", tampon);
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// Intégration en fonction du pas de temps
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angle_gyro.rot_x = angle_gyro.rot_x + vitesse_angulaire->rot_x * step_ms * 0.001;
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angle_gyro.rot_y = angle_gyro.rot_y + vitesse_angulaire->rot_y * step_ms * 0.001;
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angle_gyro.rot_z = angle_gyro.rot_z + vitesse_angulaire->rot_z * step_ms * 0.001;
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}
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int16_t gyro_get_temp(void){
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@ -177,28 +118,6 @@ int16_t gyro_get_temp(void){
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}
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void gyro_get_angles(struct t_angle_gyro* angle_gyro, struct t_angle_gyro* angle_gyro_moy){
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uint8_t tampon[10]="\0\0\0\0\0\0\0\0\0";
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int16_t rot_x, rot_y, rot_z;
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spi_read_register(spi0, 0x28, tampon, 6);
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rot_x = -(tampon[1] + (tampon[2] << 8));
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rot_y = -(tampon[3] + (tampon[4] << 8));
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rot_z = -(tampon[5] + (tampon[6] << 8));
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if(angle_gyro_moy == NULL){
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angle_gyro->rot_x = (int32_t) rot_x * 32;
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angle_gyro->rot_y = (int32_t) rot_y * 32;
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angle_gyro->rot_z = (int32_t) rot_z * 32;
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}else{
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angle_gyro->rot_x = (int32_t) rot_x * 32 - angle_gyro_moy->rot_x;
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angle_gyro->rot_y = (int32_t) rot_y * 32 - angle_gyro_moy->rot_y;
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angle_gyro->rot_z = (int32_t) rot_z * 32 - angle_gyro_moy->rot_z;
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}
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}
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void gyro_affiche(struct t_angle_gyro_double angle_gyro, char * titre){
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if(titre != NULL){
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printf("%s ",titre);
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@ -212,21 +131,23 @@ void gyro_calibration(void){
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uint32_t m_temps_ms = Temps_get_temps_ms();
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uint32_t temps_500ms = m_temps_ms;
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int16_t temperature;
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struct t_angle_gyro vitesse_grute_gyro;
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printf("Calibration...\n");
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vitesse_calibration = &_vitesse_calibration;
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vitesse_calibration.rot_x = 0;
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vitesse_calibration.rot_y = 0;
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vitesse_calibration.rot_z = 0;
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vitesse_calibration->rot_x = 0;
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vitesse_calibration->rot_y = 0;
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vitesse_calibration->rot_z = 0;
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// Acquisition des échantillons, 1 par milliseconde (1 ms, c'est trop court on dirait !)
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for(uint32_t i=0; i<nb_ech; i++){
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while(m_temps_ms == Temps_get_temps_ms());
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m_temps_ms = Temps_get_temps_ms();
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gyro_get_angles(&vitesse_angulaire, NULL);
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vitesse_calibration.rot_x += vitesse_angulaire.rot_x;
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vitesse_calibration.rot_y += vitesse_angulaire.rot_y;
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vitesse_calibration.rot_z += vitesse_angulaire.rot_z;
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gyro_get_vitesse_brute(&vitesse_grute_gyro, NULL);
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vitesse_calibration->rot_x += vitesse_grute_gyro.rot_x;
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vitesse_calibration->rot_y += vitesse_grute_gyro.rot_y;
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vitesse_calibration->rot_z += vitesse_grute_gyro.rot_z;
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if(m_temps_ms > temps_500ms){
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printf(".");
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gyro_get_temp();
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@ -234,12 +155,12 @@ void gyro_calibration(void){
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}
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sleep_ms(5);
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}
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vitesse_calibration.rot_x = vitesse_calibration.rot_x / (int32_t)nb_ech;
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vitesse_calibration.rot_y = vitesse_calibration.rot_y / (int32_t)nb_ech;
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vitesse_calibration.rot_z = vitesse_calibration.rot_z / (int32_t)nb_ech;
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vitesse_calibration->rot_x = vitesse_calibration->rot_x / (int32_t)nb_ech;
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vitesse_calibration->rot_y = vitesse_calibration->rot_y / (int32_t)nb_ech;
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vitesse_calibration->rot_z = vitesse_calibration->rot_z / (int32_t)nb_ech;
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temperature = gyro_get_temp();
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printf("fin calibration, %d, %d, %d, %d\n", vitesse_calibration.rot_x, vitesse_calibration.rot_y ,vitesse_calibration.rot_z, temperature);
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printf("fin calibration, %d, %d, %d, %d\n", vitesse_calibration->rot_x, vitesse_calibration->rot_y ,vitesse_calibration->rot_z, temperature);
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}
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4
gyro.h
4
gyro.h
@ -1,6 +1,4 @@
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struct t_angle_gyro_double{
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double rot_x, rot_y, rot_z;
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};
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#include "gyro_data.h"
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void Gyro_Init(void);
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void Gyro_Read(u_int16_t);
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291
gyro_ADXRS473.c
Normal file
291
gyro_ADXRS473.c
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#include "gyro_ADXRS473.h"
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#include "spi_nb.h"
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#include <stdio.h>
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#define NB_MAX_CHAR_GYRO 4
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struct {
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unsigned short SQ:3;
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unsigned short ST:2;
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unsigned short P0:1;
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unsigned short P1:1;
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unsigned short PLL:1;
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unsigned short Q:1;
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unsigned short NVM:1;
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unsigned short POR:1;
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unsigned short PWR:1;
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unsigned short CST:1;
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unsigned short CHK:1;
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signed int rateData;
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} Gyro_SensorData;
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void Gyro_traitementDonnees(unsigned char * tamponRecu);
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unsigned char pariteOctet(unsigned char octet);
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int gyro_read_register_blocking(uint8_t registrer, uint8_t *tampon, uint8_t nb_a_lire){
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uint8_t tampon_envoi[4]="\0\0\0\0";
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int nb_recu;
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tampon_envoi[0] = registrer;
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// Envoie commande N
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cs_select();
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spi_write_blocking(spi0, tampon_envoi, 4);
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nb_recu = spi_read_blocking(spi0, 0, tampon, nb_a_lire);
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cs_deselect();
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// lire reponse N
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cs_select();
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spi_write_blocking(spi0, tampon_envoi, 4);
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nb_recu = spi_read_blocking(spi0, 0, tampon, nb_a_lire);
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cs_deselect();
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}
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int gyro_init_check(){
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// Renvoi 0 si l'initialisation s'est bien passée
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// Renvoi 1 si le gyroscope n'a pas répondu
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uint8_t tampon[5]="\0\0\0\0\0";
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gyro_read_register_blocking(0x0C, tampon, 1);
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Gyro_traitementDonnees(tampon);
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printf("Init check : %#06x\n", Gyro_SensorData.rateData);
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/* if(tampon[0] == 0xd7){
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return 0;
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}*/
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return 1;
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}
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int gyro_config(){
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// Registre CTRL1
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// DR : 11
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// BW : 10
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// PD : 1
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// Zen : 1
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// Yen : 1
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// Xen : 1
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uint8_t config = 0b11101111;
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uint16_t tampon[2] = {0x20, config};
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uint8_t tampon2[10]="\0\0\0\0\0\0\0\0\0";
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int statu, nb_read;
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//while(spi_nb_busy(spi0) == SPI_BUSY);
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cs_select();
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int rep = spi_nb_write_data(spi0, tampon, 2);
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if(rep == SPI_ERR_TRANSMIT_FIFO_FULL){
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printf("Erreur: spi_read_register: SPI_ERR_TRANSMIT_FIFO_FULL\n");
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//return statu;
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}
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while(spi_nb_busy(spi0));
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cs_deselect();
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int nb_lu = spi_read_register(spi0, 0x20, tampon2, 1);
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printf("Nb lu: %d\n", nb_lu);
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if(tampon2[1] == config){
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//puts("gyro_config ok !");
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return 0;
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}else{
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//printf("gyro_config FAILED ! :%#4x\n", tampon2[1]);
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return 1;
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}
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// Registre
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}
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void gyro_get_vitesse_brute(struct t_angle_gyro* angle_gyro, struct t_angle_gyro* angle_gyro_moy){
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uint8_t tampon[10]="\0\0\0\0\0\0\0\0\0";
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int16_t rot_x, rot_y, rot_z;
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spi_read_register(spi0, 0x28, tampon, 6);
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rot_x = -(tampon[1] + (tampon[2] << 8));
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rot_y = -(tampon[3] + (tampon[4] << 8));
|
||||
rot_z = -(tampon[5] + (tampon[6] << 8));
|
||||
|
||||
if(angle_gyro_moy == NULL){
|
||||
angle_gyro->rot_x = (int32_t) rot_x * 32;
|
||||
angle_gyro->rot_y = (int32_t) rot_y * 32;
|
||||
angle_gyro->rot_z = (int32_t) rot_z * 32;
|
||||
}else{
|
||||
angle_gyro->rot_x = (int32_t) rot_x * 32 - angle_gyro_moy->rot_x;
|
||||
angle_gyro->rot_y = (int32_t) rot_y * 32 - angle_gyro_moy->rot_y;
|
||||
angle_gyro->rot_z = (int32_t) rot_z * 32 - angle_gyro_moy->rot_z;
|
||||
}
|
||||
}
|
||||
|
||||
void gyro_get_vitesse_normalisee(struct t_angle_gyro* _vitesse_angulaire,
|
||||
struct t_angle_gyro_double * _vitesse_gyro){
|
||||
_vitesse_gyro->rot_x = (double)_vitesse_angulaire->rot_x * 0.00875 / 32.0;
|
||||
_vitesse_gyro->rot_y = (double)_vitesse_angulaire->rot_y * 0.00875 / 32.0;
|
||||
_vitesse_gyro->rot_z = (double)_vitesse_angulaire->rot_z * 0.00875 / 32.0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
inline unsigned char Gyro_commande_SensorData(unsigned char autotest){
|
||||
// On met SQ2 à 1 afin de différencier facilement une erreur et des données
|
||||
uint8_t tamponGyroscopeEnvoi[4];
|
||||
tamponGyroscopeEnvoi[0] = 0x30;
|
||||
tamponGyroscopeEnvoi[1] = 0x00;
|
||||
tamponGyroscopeEnvoi[2] = 0x00;
|
||||
if (autotest){
|
||||
tamponGyroscopeEnvoi[3] = 0x03;
|
||||
}else{
|
||||
tamponGyroscopeEnvoi[3] = 0x01;
|
||||
}
|
||||
// La parité, dans ce cas est triviale, autant prévoir tous les cas
|
||||
//Gyro_commande_PariteData(tamponGyroscopeEnvoi);
|
||||
//return SPI_envData(tamponGyroscopeEnvoi);
|
||||
}
|
||||
|
||||
void Gyro_commande_PariteData(unsigned char* tampon){
|
||||
unsigned char parite=0,i;
|
||||
// Obtention de la parité actuelle
|
||||
for(i=0 ; i< NB_MAX_CHAR_GYRO ; i++){
|
||||
parite ^= pariteOctet(tampon[i]);
|
||||
}
|
||||
// On veut une parité impaire
|
||||
parite ^= 0x01;
|
||||
|
||||
// On insere ce bit dans le message, au bon endroit
|
||||
tampon[NB_MAX_CHAR_GYRO-1] = tampon[NB_MAX_CHAR_GYRO-1] | parite;
|
||||
}
|
||||
|
||||
unsigned char pariteOctet(unsigned char octet){
|
||||
unsigned char parite=0,i;
|
||||
for (i=0 ; i<8 ; i++){
|
||||
parite ^= octet & 0x01;
|
||||
octet = octet >> 1;
|
||||
}
|
||||
return parite;
|
||||
}
|
||||
|
||||
void Gyro_traitementDonnees(unsigned char * tamponRecu){
|
||||
Gyro_SensorData.SQ = (tamponRecu[0]>>5) & 0x07;
|
||||
Gyro_SensorData.P0 = (tamponRecu[0]>>4) & 0x01;
|
||||
Gyro_SensorData.ST = (tamponRecu[0]>>2) & 0x03;
|
||||
Gyro_SensorData.rateData = (int)
|
||||
( (0xC000 &((unsigned int) (tamponRecu[0] & 0x03)<<14)) |
|
||||
( 0x3FC0 & ((unsigned int) tamponRecu[1] << 6)) |
|
||||
( 0x003F & (unsigned int) ( tamponRecu[2] >> 2)));
|
||||
Gyro_SensorData.PLL = (tamponRecu[3] & 0x80) >> 7;
|
||||
Gyro_SensorData.Q = (tamponRecu[3] & 0x40) >> 6;
|
||||
Gyro_SensorData.NVM = (tamponRecu[3] & 0x20) >> 5;
|
||||
Gyro_SensorData.POR = (tamponRecu[3] & 0x10) >> 4;
|
||||
Gyro_SensorData.PWR = (tamponRecu[3] & 0x08) >> 3;
|
||||
Gyro_SensorData.CST = (tamponRecu[3] & 0x04) >> 2;
|
||||
Gyro_SensorData.CHK = (tamponRecu[3] & 0x02) >> 1;
|
||||
Gyro_SensorData.P1 = (tamponRecu[3] & 0x01);
|
||||
|
||||
}
|
||||
/*
|
||||
unsigned char Gyro_gestion(void){
|
||||
Gyro_commande_SensorData(0);
|
||||
while(!SPI_recData(GyroscopeReception));
|
||||
|
||||
Gyro_traitementDonnees(GyroscopeReception);
|
||||
if (Gyro_SensorData.SQ & 0x04){
|
||||
Gyro_Angle +=(long) (Gyro_SensorData.rateData - angle0);
|
||||
//Gyro_Angle = angle0;
|
||||
}else{
|
||||
Gyro_Angle = (long)0x3333;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
inline unsigned char Gyro_gestion_nb(){
|
||||
if(SPI_recData(GyroscopeReception)){
|
||||
Gyro_traitementDonnees(GyroscopeReception);
|
||||
if (Gyro_SensorData.SQ & 0x04)
|
||||
// calcul du nouvel angle
|
||||
// TODO : Améliorer la stabilitée en augmentant la précision
|
||||
Gyro_Angle +=(long) ((long)Gyro_SensorData.rateData - (long)angle0);
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
|
||||
}
|
||||
|
||||
int Gyro_getAngle(void){
|
||||
// 80° par secondes
|
||||
// 5 kHz => 200 µs
|
||||
// Gyro_Angle en 1,6 e-2 degré
|
||||
return (int)(-Gyro_Angle / 5000 / 80);
|
||||
}
|
||||
long Gyro_getRawAngle(void){
|
||||
// 80° par secondes
|
||||
// 5 kHz => 200 µs
|
||||
// Gyro_Angle en 1,6 e-2 degré
|
||||
return Gyro_Angle ;
|
||||
}
|
||||
long double Gyro_getAngleRadian(void){
|
||||
// 80° par secondes
|
||||
// 5 kHz => 200 µs
|
||||
// Gyro_Angle en 1,6 e-2 degré
|
||||
return -Gyro_Angle * GYRO_COEF_RADIAN_5kHz;
|
||||
}
|
||||
unsigned char * Gyro_getRawData(){
|
||||
return GyroscopeReception;
|
||||
}
|
||||
|
||||
int Gyro_init(){
|
||||
|
||||
long long calcul_angle0;
|
||||
|
||||
int i, erreur_gyro;
|
||||
|
||||
Gyro_Timer_ms=100;
|
||||
while(Gyro_Timer_ms);
|
||||
// Envoie message auto-test des test
|
||||
while(!Gyro_commande_SensorData(1));
|
||||
while(!SPI_recData(GyroscopeReception));
|
||||
|
||||
// Attente 50 ms - les tests doivent indiquer des erreur
|
||||
Gyro_Timer_ms=50;
|
||||
while(Gyro_Timer_ms);
|
||||
while(!Gyro_commande_SensorData(0));
|
||||
while(!SPI_recData(GyroscopeReception));
|
||||
|
||||
// Attente 50 ms - les erreurs doivent s'être effacées
|
||||
Gyro_Timer_ms=50;
|
||||
while(Gyro_Timer_ms);
|
||||
while(!Gyro_commande_SensorData(0));
|
||||
while(!SPI_recData(GyroscopeReception));
|
||||
|
||||
// Calibration du gyroscope
|
||||
calcul_angle0 = 0;
|
||||
i=0;
|
||||
erreur_gyro = 0;
|
||||
while((i<NB_ACQ_CALIBRATION) && (erreur_gyro < NB_MAX_ERREUR_GYRO)){
|
||||
while(!Gyro_commande_SensorData(0));
|
||||
while(!SPI_recData(GyroscopeReception));
|
||||
Gyro_traitementDonnees(GyroscopeReception);
|
||||
if (Gyro_SensorData.SQ & 0x04){
|
||||
calcul_angle0 += Gyro_SensorData.rateData;
|
||||
erreur_gyro = 0;
|
||||
i++;
|
||||
}else{
|
||||
erreur_gyro++;
|
||||
}
|
||||
__delay32(2000); // 50 µs
|
||||
}
|
||||
if (erreur_gyro < NB_MAX_ERREUR_GYRO){
|
||||
erreur_gyro = 0;
|
||||
// TODO : Améliorer la stabilitée en augmentant la précision
|
||||
angle0 = (long)(calcul_angle0 / NB_ACQ_CALIBRATION);
|
||||
Gyro_Pret=1;
|
||||
}else{
|
||||
erreur_gyro = 1;
|
||||
}
|
||||
|
||||
|
||||
return erreur_gyro;
|
||||
}
|
||||
*/
|
6
gyro_ADXRS473.h
Normal file
6
gyro_ADXRS473.h
Normal file
@ -0,0 +1,6 @@
|
||||
#include "gyro_data.h"
|
||||
|
||||
int gyro_init_check();
|
||||
int gyro_config();
|
||||
void gyro_get_vitesse_brute(struct t_angle_gyro* angle_gyro, struct t_angle_gyro* angle_gyro_moy);
|
||||
void gyro_get_vitesse_normalisee(struct t_angle_gyro* _vitesse_angulaire, struct t_angle_gyro_double * vitesse_gyro);
|
96
gyro_L3GD20H.c
Normal file
96
gyro_L3GD20H.c
Normal file
@ -0,0 +1,96 @@
|
||||
#include "gyro_L3GD20H.h"
|
||||
#include "spi_nb.h"
|
||||
#include <stdio.h>
|
||||
|
||||
int gyro_read_register_blocking(uint8_t registrer, uint8_t *tampon, uint8_t nb_a_lire){
|
||||
uint8_t reg = registrer | 0xC0 ;
|
||||
int nb_recu;
|
||||
cs_select();
|
||||
spi_write_blocking(spi0, ®, 1);
|
||||
sleep_ms(10);
|
||||
nb_recu = spi_read_blocking(spi0, 0, tampon, nb_a_lire);
|
||||
cs_deselect();
|
||||
|
||||
}
|
||||
|
||||
int gyro_init_check(){
|
||||
// Renvoi 0 si l'initialisation s'est bien passée
|
||||
// Renvoi 1 si le gyroscope n'a pas répondu
|
||||
uint8_t tampon[2]="";
|
||||
gyro_read_register_blocking(0x0F, tampon, 1);
|
||||
if(tampon[0] == 0xd7){
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
int gyro_config(){
|
||||
// Registre CTRL1
|
||||
// DR : 11
|
||||
// BW : 10
|
||||
// PD : 1
|
||||
// Zen : 1
|
||||
// Yen : 1
|
||||
// Xen : 1
|
||||
|
||||
uint8_t config = 0b11101111;
|
||||
uint16_t tampon[2] = {0x20, config};
|
||||
uint8_t tampon2[10]="\0\0\0\0\0\0\0\0\0";
|
||||
int statu, nb_read;
|
||||
|
||||
//while(spi_nb_busy(spi0) == SPI_BUSY);
|
||||
cs_select();
|
||||
int rep = spi_nb_write_data(spi0, tampon, 2);
|
||||
if(rep == SPI_ERR_TRANSMIT_FIFO_FULL){
|
||||
printf("Erreur: spi_read_register: SPI_ERR_TRANSMIT_FIFO_FULL\n");
|
||||
//return statu;
|
||||
}
|
||||
while(spi_nb_busy(spi0));
|
||||
cs_deselect();
|
||||
|
||||
int nb_lu = spi_read_register(spi0, 0x20, tampon2, 1);
|
||||
|
||||
|
||||
|
||||
printf("Nb lu: %d\n", nb_lu);
|
||||
|
||||
if(tampon2[1] == config){
|
||||
//puts("gyro_config ok !");
|
||||
return 0;
|
||||
}else{
|
||||
//printf("gyro_config FAILED ! :%#4x\n", tampon2[1]);
|
||||
return 1;
|
||||
}
|
||||
// Registre
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
void gyro_get_vitesse_brute(struct t_angle_gyro* angle_gyro, struct t_angle_gyro* angle_gyro_moy){
|
||||
uint8_t tampon[10]="\0\0\0\0\0\0\0\0\0";
|
||||
int16_t rot_x, rot_y, rot_z;
|
||||
spi_read_register(spi0, 0x28, tampon, 6);
|
||||
|
||||
rot_x = -(tampon[1] + (tampon[2] << 8));
|
||||
rot_y = -(tampon[3] + (tampon[4] << 8));
|
||||
rot_z = -(tampon[5] + (tampon[6] << 8));
|
||||
|
||||
if(angle_gyro_moy == NULL){
|
||||
angle_gyro->rot_x = (int32_t) rot_x * 32;
|
||||
angle_gyro->rot_y = (int32_t) rot_y * 32;
|
||||
angle_gyro->rot_z = (int32_t) rot_z * 32;
|
||||
}else{
|
||||
angle_gyro->rot_x = (int32_t) rot_x * 32 - angle_gyro_moy->rot_x;
|
||||
angle_gyro->rot_y = (int32_t) rot_y * 32 - angle_gyro_moy->rot_y;
|
||||
angle_gyro->rot_z = (int32_t) rot_z * 32 - angle_gyro_moy->rot_z;
|
||||
}
|
||||
}
|
||||
|
||||
void gyro_get_vitesse_normalisee(struct t_angle_gyro* _vitesse_angulaire,
|
||||
struct t_angle_gyro_double * _vitesse_gyro){
|
||||
_vitesse_gyro->rot_x = (double)_vitesse_angulaire->rot_x * 0.00875 / 32.0;
|
||||
_vitesse_gyro->rot_y = (double)_vitesse_angulaire->rot_y * 0.00875 / 32.0;
|
||||
_vitesse_gyro->rot_z = (double)_vitesse_angulaire->rot_z * 0.00875 / 32.0;
|
||||
}
|
6
gyro_L3GD20H.h
Normal file
6
gyro_L3GD20H.h
Normal file
@ -0,0 +1,6 @@
|
||||
#include "gyro_data.h"
|
||||
|
||||
int gyro_init_check();
|
||||
int gyro_config();
|
||||
void gyro_get_vitesse_brute(struct t_angle_gyro* angle_gyro, struct t_angle_gyro* angle_gyro_moy);
|
||||
void gyro_get_vitesse_normalisee(struct t_angle_gyro* _vitesse_angulaire, struct t_angle_gyro_double * vitesse_gyro);
|
14
gyro_data.h
Normal file
14
gyro_data.h
Normal file
@ -0,0 +1,14 @@
|
||||
#include "pico/stdlib.h"
|
||||
|
||||
#ifndef GYRO_DATA_H
|
||||
#define GYRO_DATA_H
|
||||
|
||||
struct t_angle_gyro_double{
|
||||
double rot_x, rot_y, rot_z;
|
||||
};
|
||||
|
||||
struct t_angle_gyro{
|
||||
int32_t rot_x, rot_y, rot_z, temp;
|
||||
};
|
||||
|
||||
#endif
|
Loading…
Reference in New Issue
Block a user