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Update GPIO driver.

This commit is contained in:
imi415 2021-06-29 02:24:54 +08:00
parent 42525061bd
commit b1212bde42
Signed by: imi415
GPG Key ID: 17F01E106F9F5E0A
2 changed files with 11 additions and 13 deletions
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7
include/drivers/user_gpio_driver.h
View File

@ -15,13 +15,6 @@ typedef enum {
USER_GPIO_INTR_FALLING = 0x02,
} user_gpio_intr_t;
typedef enum {
USER_GPIO_EVENT_FALLING,
USER_GPIO_EVENT_RISING
} user_gpio_event_t;
typedef void (*gpio_irq_callback_t)(void *user_data, user_gpio_event_t event);
int user_gpio_init(user_gpio_t *gpio, char *chip, uint32_t offset,
uint8_t output_enabled);
int user_gpio_set(user_gpio_t *gpio, uint8_t value);

17
src/drivers/user_gpio_driver.c
View File

@ -50,11 +50,11 @@ int user_gpio_set(user_gpio_t *gpio, uint8_t value) {
int user_gpio_setup_intr(user_gpio_t *gpio, user_gpio_intr_t type) {
int request_type = 0;
if(type == USER_GPIO_EVENT_RISING)
if(type == USER_GPIO_INTR_RISING)
request_type = GPIOD_LINE_REQUEST_EVENT_RISING_EDGE;
else if(type == USER_GPIO_EVENT_FALLING)
else if(type == USER_GPIO_INTR_FALLING)
request_type = GPIOD_LINE_REQUEST_EVENT_FALLING_EDGE;
else if(type == USER_GPIO_EVENT_RISING | USER_GPIO_INTR_FALLING)
else if(type == USER_GPIO_INTR_RISING | USER_GPIO_INTR_FALLING)
request_type = GPIOD_LINE_REQUEST_EVENT_BOTH_EDGES;
const struct gpiod_line_request_config config =
@ -71,9 +71,14 @@ int user_gpio_setup_intr(user_gpio_t *gpio, user_gpio_intr_t type) {
return ret;
}
int user_gpio_intr_poll(user_gpio_t *gpio) {
return 0;
int user_gpio_intr_poll(user_gpio_t *gpio, uint32_t timeout_ms) {
struct timespec ts = {
.tv_sec = timeout_ms / 1000,
.tv_nsec = (timeout_ms % 1000) * 1000000000
};
int ret = gpiod_line_event_wait(gpio->line, &ts);
return ret;
}
int user_gpio_get(user_gpio_t *gpio, uint8_t *value) {