Keuronde/Gradin_2025
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lecture des deux capteurs simultanément

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This commit is contained in:
Samuel 2025-03-09 22:11:10 +01:00
parent 8dfe505a44
commit a85c5b5c57
2 changed files with 47 additions and 22 deletions
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27
Platform/platform.c
View File

@ -21,6 +21,8 @@
#define BUFFER_SIZE 0x1000
#define ERR_OK 0
spi_inst_t * my_spi;
void SPI_beginTransaction(char my_ss_pin){
/* switch(my_ss_pin){
case D0: SPI.begin(SCK, MISO, MOSI, SS); break;
@ -28,6 +30,11 @@ void SPI_beginTransaction(char my_ss_pin){
}*/
//
gpio_put(my_ss_pin, 0);
if(my_ss_pin == 1){
my_spi = spi0;
}else{
my_spi = spi1;
}
}
@ -54,8 +61,8 @@ uint8_t RdByte(
tampon[0] = RegisterAdress >> 8 & 0x7F;
tampon[1] = RegisterAdress & 0xFF;
spi_write_blocking(spi0, tampon, 2);
spi_read_blocking(spi0, 0x00, p_value, 1 );
spi_write_blocking(my_spi, tampon, 2);
spi_read_blocking(my_spi, 0x00, p_value, 1 );
//printf("RdByte 0x%02X%02X 0x%02X\n", tampon[0], tampon[1], *p_value);
@ -85,7 +92,7 @@ uint8_t WrByte(
//printf("WrByte 0x%02X%02X 0x%02X\n", tampon[0], tampon[1], tampon[2]);
spi_write_blocking(spi0, tampon, 3);
spi_write_blocking(my_spi, tampon, 3);
SPI_endTransaction(my_ss_pin);
@ -110,17 +117,17 @@ uint8_t WrMulti(
tampon[0] = RegisterAdress >> 8 | 0x80;
tampon[1] = RegisterAdress & 0xFF;
spi_write_blocking(spi0, tampon, 2);
spi_write_blocking(my_spi, tampon, 2);
while(size > BUFFER_SIZE){
memcpy(my_buffer, (uint8_t*)&p_values[index], BUFFER_SIZE);
spi_write_blocking(spi0, my_buffer, BUFFER_SIZE);
spi_write_blocking(my_spi, my_buffer, BUFFER_SIZE);
size = size - BUFFER_SIZE;
index = index + BUFFER_SIZE;
}
if(size > 0){
memcpy(my_buffer, (uint8_t*)&p_values[index], size);
spi_write_blocking(spi0, my_buffer, size);
spi_write_blocking(my_spi, my_buffer, size);
}
SPI_endTransaction(my_ss_pin);
@ -147,19 +154,19 @@ uint8_t RdMulti(
tampon[0] = RegisterAdress >> 8 & 0x7F;
tampon[1] = RegisterAdress & 0xFF;
spi_write_blocking(spi0, tampon, 2);
spi_read_blocking(spi0, 0, p_values, size);
spi_write_blocking(my_spi, tampon, 2);
spi_read_blocking(my_spi, 0, p_values, size);
//printf("RdMulti 0x%02X%02X size : 0x%02X\n", tampon[0], tampon[1], size);
/*
while(size > buffer_size){
spi_read_blocking(spi0, 0, &(p_values[index]), buffer_size);
spi_read_blocking(my_spi, 0, &(p_values[index]), buffer_size);
index += buffer_size;
size -= buffer_size;
}
if(size > 0){
spi_read_blocking(spi0, 0, &(p_values[index]), size);
spi_read_blocking(my_spi, 0, &(p_values[index]), size);
}
*/

42
main.c
View File

@ -50,7 +50,7 @@ float distance1_mm=0, distance2_mm=0;
extern float abscisse;
extern struct point_xyo_t point;
float vitesse;
VL53L8CX_Configuration Dev;
VL53L8CX_Configuration gauche, droit;
uint8_t capteur_init(VL53L8CX_Configuration * capteur);
@ -81,11 +81,16 @@ void main(void)
gpio_set_dir(LED1PIN, GPIO_OUT );
gpio_put(LED1PIN, 1);
// Initialisation de la liaison SPI
// Initialisation de la liaison SPI0
gpio_set_function(2, GPIO_FUNC_SPI);
gpio_set_function(3, GPIO_FUNC_SPI);
gpio_set_function(4, GPIO_FUNC_SPI);
// Initialisation de la liaison SPI1
gpio_set_function(26, GPIO_FUNC_SPI);
gpio_set_function(27, GPIO_FUNC_SPI);
gpio_set_function(28, GPIO_FUNC_SPI);
gpio_set_function(16, GPIO_FUNC_NULL);
gpio_set_function(17, GPIO_FUNC_NULL);
gpio_set_function(18, GPIO_FUNC_NULL);
@ -95,11 +100,20 @@ void main(void)
gpio_set_dir(1, GPIO_OUT );
gpio_put(1, 1);
Dev.platform.address = 1;
gpio_init(29); // CS
gpio_set_dir(29, GPIO_OUT );
gpio_put(29, 1);
gauche.platform.address = 1;
droit.platform.address = 29;
spi_set_format(spi0, 8, SPI_CPOL_1, SPI_CPHA_1, SPI_MSB_FIRST);
spi_init(spi0, 2000000);
spi_set_format(spi1, 8, SPI_CPOL_1, SPI_CPHA_1, SPI_MSB_FIRST);
spi_init(spi1, 2000000);
tampon[0] = 0x55;
tampon[1] = 0x55;
@ -200,22 +214,26 @@ void capteurs_affiche_donnees(VL53L8CX_ResultsData * results_gauche, VL53L8CX_Re
float planche_pos_x, planche_pos_y;
void gestion_VL53L8CX(void){
VL53L8CX_ResultsData Results;
VL53L8CX_ResultsData results_gauche, results_droit;
float distance_obstacle;
capteur_init(&Dev);
capteur_init(&gauche);
capteur_init(&droit);
sleep_ms(100);
capteur_actualise( &Dev, &Results); // une première lecture
capteur_actualise( &gauche, &results_gauche); // une première lecture
capteur_actualise( &droit, &results_droit); // une première lecture
uint8_t status, isReady;
while(1){
isReady = capteur_actualise( &Dev, &Results);
isReady = 0;
isReady |= capteur_actualise( &gauche, &results_gauche);
isReady |= capteur_actualise( &droit, &results_droit);
if(isReady){
capteurs_affiche_donnees(&Results, &Results);
//VL53L8_lecture( &Dev, &Results);
VL53L8_min_distance(Results, &distance_obstacle);
VL53L8_pos_planche(Results, &planche_pos_x, &planche_pos_y);
capteurs_affiche_donnees(&results_gauche, &results_droit);
//VL53L8_lecture( &gauche, &Results);
VL53L8_min_distance(results_gauche, &distance_obstacle);
VL53L8_pos_planche(results_gauche, &planche_pos_x, &planche_pos_y);
}
//affichage();
sleep_ms(50);
sleep_ms(150);
}
}