esp_components/zh_encoder
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This commit is contained in:
Alexey Zholtikov
2025-12-24 19:54:21 +03:00
parent 5ef3913eb9
commit 4368ac9845
2 changed files with 24 additions and 3 deletions
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22
zh_encoder.c
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@@ -164,11 +164,13 @@ static esp_err_t _zh_encoder_validate_config(const zh_encoder_init_config_t *con
static esp_err_t _zh_encoder_gpio_init(const zh_encoder_init_config_t *config, zh_encoder_handle_t *handle)
{
ZH_ERROR_CHECK(config->a_gpio_number < GPIO_NUM_MAX && config->b_gpio_number < GPIO_NUM_MAX, ESP_ERR_INVALID_ARG, NULL, "Invalid GPIO number.")
ZH_ERROR_CHECK(config->a_gpio_number != config->b_gpio_number, ESP_ERR_INVALID_ARG, NULL, "Both GPIO is same.")
ZH_ERROR_CHECK(config->a_gpio_number < GPIO_NUM_MAX && config->b_gpio_number < GPIO_NUM_MAX && config->s_gpio_number <= GPIO_NUM_MAX, ESP_ERR_INVALID_ARG, NULL, "Invalid GPIO number.")
ZH_ERROR_CHECK(config->a_gpio_number != config->b_gpio_number, ESP_ERR_INVALID_ARG, NULL, "Encoder A and B GPIO is same.")
ZH_ERROR_CHECK(config->a_gpio_number != config->s_gpio_number && config->b_gpio_number != config->s_gpio_number, ESP_ERR_INVALID_ARG, NULL, "Encoder GPIO and button GPIO is same.")
uint64_t bit_mask = (config->s_gpio_number == GPIO_NUM_MAX) ? ((1ULL << config->a_gpio_number) | (1ULL << config->b_gpio_number)) : ((1ULL << config->a_gpio_number) | (1ULL << config->b_gpio_number) | (1ULL << config->s_gpio_number));
gpio_config_t pin_config = {
.mode = GPIO_MODE_INPUT,
.pin_bit_mask = (1ULL << config->a_gpio_number) | (1ULL << config->b_gpio_number),
.pin_bit_mask = bit_mask,
.pull_up_en = GPIO_PULLUP_ENABLE,
.intr_type = GPIO_INTR_ANYEDGE};
esp_err_t err = gpio_config(&pin_config);
@@ -193,6 +195,20 @@ static esp_err_t _zh_encoder_gpio_init(const zh_encoder_init_config_t *config, z
{
ZH_ERROR_CHECK(err == ESP_OK, err, gpio_isr_handler_remove((gpio_num_t)config->a_gpio_number); gpio_uninstall_isr_service(); gpio_reset_pin((gpio_num_t)config->a_gpio_number); gpio_reset_pin((gpio_num_t)config->b_gpio_number), "Interrupt initialization failed.");
}
if (config->s_gpio_number != GPIO_NUM_MAX)
{
err = gpio_isr_handler_add(config->s_gpio_number, _zh_encoder_isr_handler, handle);
if (_is_prev_gpio_isr_handler == true)
{
ZH_ERROR_CHECK(err == ESP_OK, err, gpio_isr_handler_remove((gpio_num_t)config->a_gpio_number); gpio_isr_handler_remove((gpio_num_t)config->b_gpio_number);
gpio_reset_pin((gpio_num_t)config->a_gpio_number); gpio_reset_pin((gpio_num_t)config->b_gpio_number), "Interrupt initialization failed.");
}
else
{
ZH_ERROR_CHECK(err == ESP_OK, err, gpio_isr_handler_remove((gpio_num_t)config->a_gpio_number); gpio_isr_handler_remove((gpio_num_t)config->b_gpio_number); gpio_uninstall_isr_service();
gpio_reset_pin((gpio_num_t)config->a_gpio_number); gpio_reset_pin((gpio_num_t)config->b_gpio_number), "Interrupt initialization failed.");
}
}
return ESP_OK;
}