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add writable expander GPIOs

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This commit is contained in:
Philippe G
2021-11-30 23:51:52 -08:00
parent f7a7ece582
commit 970c72d416
5 changed files with 24 additions and 23 deletions
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12
components/services/gpio_exp.c
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@@ -102,8 +102,8 @@ struct gpio_exp_s *gpio_exp_get_expander(int gpio) {
struct gpio_exp_s* gpio_exp_create(const gpio_exp_config_t *config) {
struct gpio_exp_s *expander = expanders + n_expanders;
if (config->base < GPIO_EXP_BASE_MIN || n_expanders == sizeof(expanders)/sizeof(struct gpio_exp_s)) {
ESP_LOGE(TAG, "Base %d GPIO must be > %d for %s or too many expanders %d", config->base, GPIO_EXP_BASE_MIN, config->model, n_expanders);
if (config->base < GPIO_NUM_MAX || n_expanders == sizeof(expanders)/sizeof(struct gpio_exp_s)) {
ESP_LOGE(TAG, "Base %d GPIO must be at least %d for %s or too many expanders %d", config->base, GPIO_NUM_MAX, config->model, n_expanders);
return NULL;
}
@@ -305,22 +305,22 @@ void gpio_exp_enumerate(gpio_exp_enumerator enumerator, struct gpio_exp_s *expan
* Wrapper function
*/
esp_err_t gpio_set_pull_mode_u(int gpio, gpio_pull_mode_t mode) {
if (gpio < GPIO_EXP_BASE_MIN) return gpio_set_pull_mode(gpio, mode);
if (gpio < GPIO_NUM_MAX) return gpio_set_pull_mode(gpio, mode);
return gpio_exp_set_pull_mode(gpio, mode, NULL);
}
esp_err_t gpio_set_direction_u(int gpio, gpio_mode_t mode) {
if (gpio < GPIO_EXP_BASE_MIN) return gpio_set_direction(gpio, mode);
if (gpio < GPIO_NUM_MAX) return gpio_set_direction(gpio, mode);
return gpio_exp_set_direction(gpio, mode, NULL);
}
int gpio_get_level_u(int gpio) {
if (gpio < GPIO_EXP_BASE_MIN) return gpio_get_level(gpio);
if (gpio < GPIO_NUM_MAX) return gpio_get_level(gpio);
return gpio_exp_get_level(gpio, 50, NULL);
}
esp_err_t gpio_set_level_u(int gpio, int level) {
if (gpio < GPIO_EXP_BASE_MIN) return gpio_set_level(gpio, level);
if (gpio < GPIO_NUM_MAX) return gpio_set_level(gpio, level);
return gpio_exp_set_level(gpio, level, false, NULL);
}