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tests/gpio: add event clock to interactive test
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This commit is contained in:
Vanya A. Sergeev
2025-10-06 02:54:06 -05:00
parent af61925f0d
commit 7a78a98080
1 changed files with 70 additions and 10 deletions
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80
tests/test_gpio.c
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@@ -41,6 +41,7 @@ void test_open_config_close(void) {
bool value;
gpio_direction_t direction;
gpio_edge_t edge;
gpio_event_clock_t event_clock;
char label[32];
gpio_bias_t bias;
gpio_drive_t drive;
@@ -72,6 +73,8 @@ void test_open_config_close(void) {
passert(gpio_set_direction(gpio, 5) == GPIO_ERROR_ARG);
/* Invalid interrupt edge */
passert(gpio_set_edge(gpio, 5) == GPIO_ERROR_ARG);
/* Invalid event clock */
passert(gpio_set_event_clock(gpio, 5) == GPIO_ERROR_ARG);
/* Invalid bias */
passert(gpio_set_bias(gpio, 5) == GPIO_ERROR_ARG);
/* Invalid drive */
@@ -150,6 +153,19 @@ void test_open_config_close(void) {
passert(gpio_get_edge(gpio, &edge) == 0);
passert(edge == GPIO_EDGE_NONE);
/* Set event clock realtime, check event clock realtime */
passert(gpio_set_event_clock(gpio, GPIO_EVENT_CLOCK_REALTIME) == 0);
passert(gpio_get_event_clock(gpio, &event_clock) == 0);
passert(event_clock == GPIO_EVENT_CLOCK_REALTIME);
/* Set event clock monotonic, check event clock monotonic */
passert(gpio_set_event_clock(gpio, GPIO_EVENT_CLOCK_MONOTONIC) == 0);
passert(gpio_get_event_clock(gpio, &event_clock) == 0);
passert(event_clock == GPIO_EVENT_CLOCK_MONOTONIC);
/* Set event clock hte, check event clock hte */
passert(gpio_set_event_clock(gpio, GPIO_EVENT_CLOCK_HTE) == 0);
passert(gpio_get_event_clock(gpio, &event_clock) == 0);
passert(event_clock == GPIO_EVENT_CLOCK_HTE);
/* Set bias pull up, check bias pull up */
passert(gpio_set_bias(gpio, GPIO_BIAS_PULL_UP) == 0);
passert(gpio_get_bias(gpio, &bias) == 0);
@@ -383,46 +399,90 @@ bool getc_yes(void) {
}
void test_interactive(void) {
gpio_t *gpio_in, *gpio_out;
char str[256];
gpio_t *gpio;
gpio_edge_t edge;
uint64_t timestamp;
ptest();
/* Allocate GPIO */
gpio = gpio_new();
passert(gpio != NULL);
gpio_out = gpio_new();
passert(gpio_out != NULL);
gpio_in = gpio_new();
passert(gpio_in != NULL);
passert(gpio_open(gpio, device, pin_output, GPIO_DIR_OUT) == 0);
/* Open output pin */
passert(gpio_open(gpio_out, device, pin_output, GPIO_DIR_OUT) == 0);
printf("Starting interactive test. Get out your multimeter, buddy!\n");
printf("Press enter to continue...\n");
getc(stdin);
/* Check tostring */
passert(gpio_tostring(gpio, str, sizeof(str)) > 0);
passert(gpio_tostring(gpio_out, str, sizeof(str)) > 0);
printf("GPIO description: %s\n", str);
printf("GPIO description looks OK? y/n\n");
passert(getc_yes());
/* Drive GPIO out low */
passert(gpio_write(gpio, false) == 0);
passert(gpio_write(gpio_out, false) == 0);
printf("GPIO out is low? y/n\n");
passert(getc_yes());
/* Drive GPIO out high */
passert(gpio_write(gpio, true) == 0);
passert(gpio_write(gpio_out, true) == 0);
printf("GPIO out is high? y/n\n");
passert(getc_yes());
/* Drive GPIO out low */
passert(gpio_write(gpio, false) == 0);
passert(gpio_write(gpio_out, false) == 0);
printf("GPIO out is low? y/n\n");
passert(getc_yes());
passert(gpio_close(gpio) == 0);
/* Open input pin */
passert(gpio_open(gpio_in, device, pin_input, GPIO_DIR_IN) == 0);
/* Set both edge and realtime event clock */
passert(gpio_set_edge(gpio_in, GPIO_EDGE_BOTH) == 0);
passert(gpio_set_event_clock(gpio_in, GPIO_EVENT_CLOCK_REALTIME) == 0);
/* Read line event with realtime event clock */
printf("Driving GPIO out high and reading GPIO in line event...");
passert(gpio_write(gpio_out, true) == 0);
passert(gpio_read_event(gpio_in, &edge, &timestamp) == 0);
passert(edge == GPIO_EDGE_RISING);
printf("Line event timestamp %zu is realtime? y/n\n", timestamp);
passert(getc_yes());
/* Set monotonic event clock */
passert(gpio_set_event_clock(gpio_in, GPIO_EVENT_CLOCK_MONOTONIC) == 0);
/* Read line event with realtime event clock */
printf("Driving GPIO out low and reading GPIO in line event...");
passert(gpio_write(gpio_out, false) == 0);
passert(gpio_read_event(gpio_in, &edge, &timestamp) == 0);
passert(edge == GPIO_EDGE_FALLING);
printf("Line event timestamp %zu is monotonic? y/n\n", timestamp);
passert(getc_yes());
/* Set hte event clock */
passert(gpio_set_event_clock(gpio_in, GPIO_EVENT_CLOCK_HTE) == 0);
/* Read line event with realtime event clock */
printf("Driving GPIO out high and reading GPIO in line event...");
passert(gpio_write(gpio_out, true) == 0);
passert(gpio_read_event(gpio_in, &edge, &timestamp) == 0);
passert(edge == GPIO_EDGE_RISING);
printf("Line event timestamp %zu is hte? y/n\n", timestamp);
passert(getc_yes());
passert(gpio_close(gpio_in) == 0);
passert(gpio_close(gpio_out) == 0);
/* Free GPIO */
gpio_free(gpio);
gpio_free(gpio_out);
gpio_free(gpio_in);
}
int main(int argc, char *argv[]) {