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Test I2C non bloquant OK

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This commit is contained in:
Samuel 2023-01-02 19:14:07 +01:00
parent 5a570ac325
commit ae0e476d70
1 changed files with 106 additions and 1 deletions
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107
Test.c
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@ -44,6 +44,7 @@ int test_trajectoire(void);
int test_i2c_bus(void);
void affiche_localisation(void);
int test_i2c_lecture_pico_annex();
int test_i2c_lecture_pico_annex_nb();
// Mode test : renvoie 0 pour quitter le mode test
@ -66,6 +67,7 @@ int mode_test(){
printf("U - Scan du bus i2c\n");
printf("V - APDS_9960\n");
printf("W - Com i2c Pico Annexe\n");
printf("X - Com i2c Pico Annexe - non bloquant\n");
stdio_flush();
int rep = getchar_timeout_us(TEST_TIMEOUT_US);
stdio_flush();
@ -149,6 +151,11 @@ int mode_test(){
while(test_i2c_lecture_pico_annex());
break;
case 'X':
case 'x':
while(test_i2c_lecture_pico_annex_nb());
break;
case PICO_ERROR_TIMEOUT:
iteration--;
if(iteration == 0){
@ -164,6 +171,22 @@ int mode_test(){
}
int test_continue_test(){
int lettre;
printf("q pour quitter, une autre touche pour un nouveau test.\n");
do{
lettre = getchar_timeout_us(0);
}while(lettre == PICO_ERROR_TIMEOUT || lettre == 0);
switch(lettre){
case 'q':
case 'Q':
return 0;
default:
return 1;
}
}
bool reserved_addr(uint8_t addr) {
return (addr & 0x78) == 0 || (addr & 0x78) == 0x78;
}
@ -214,7 +237,89 @@ int test_i2c_lecture_pico_annex(){
}
printf("\n");
}
return 0;
return test_continue_test();
}
int test_i2c_lecture_pico_annex_nb(){
i2c_maitre_init();
uint8_t tampon[10];
uint8_t registre=0;
uint8_t adresse = 0x17;
uint32_t time_i2c[5];
const uint8_t T_MAX_I2C = 10;
int ret;
time_i2c[0] = time_us_32();
// On charge l'adresse de l'escalve
i2c0->hw->enable = 0;
i2c0->hw->tar = adresse;
i2c0->hw->enable = 1;
// On envoie l'adresse du registre à lire
// Pas de stop, pas de restart, écriture : 0,
i2c0->hw->data_cmd = registre;
uint8_t first = false;
uint8_t last = false;
for(int i=0; i<T_MAX_I2C; i++){
first = false;
last = false;
if (i == 0){
first = true;
}
if(i == T_MAX_I2C -1){
last = true;
}
i2c0->hw->data_cmd =
bool_to_bit(first) << I2C_IC_DATA_CMD_RESTART_LSB |
bool_to_bit(last) << I2C_IC_DATA_CMD_STOP_LSB |
I2C_IC_DATA_CMD_CMD_BITS; // -> 1 for read
}
time_i2c[1] = time_us_32() - time_i2c[0] ;
// On attend la fin de la transaction i2c
while(i2c0->hw->status & I2C_IC_STATUS_MST_ACTIVITY_BITS);
time_i2c[2] = time_us_32() - time_i2c[0] ;
// On lit le tampon I2C
// uint8_t * dst;
// dst = tampon;
for(int i=0; i<T_MAX_I2C; i++){
// On attend une donnée
while(!i2c_get_read_available(i2c0));
// Code erreur
if(i2c0->hw->tx_abrt_source){
printf("Erreur I2C: Abort : %4x\n", i2c0->hw->tx_abrt_source);
}
//On lit la donnée
tampon[i] = (uint8_t) i2c0->hw->data_cmd;
}
time_i2c[3] = time_us_32() - time_i2c[0] ;
// Affichage
for(int i=0; i<T_MAX_I2C; i++){
printf("%c", tampon[i]);
}
printf("\n");
for(int i=0; i<T_MAX_I2C; i++){
printf("%2x ", tampon[i]);
}
printf("\n");
printf("T_init: %u, T_attente: %u, T_lecture: %u\n", time_i2c[1], time_i2c[2], time_i2c[3]);
return test_continue_test();
}
int test_i2c_bus(){