esp_components/zh_encoder
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat!: changed driver on pcnt

Browse Source
This commit is contained in:
Alexey Zholtikov
2026-01-24 10:17:43 +03:00
parent db86633155
commit 121ba14a49
4 changed files with 244 additions and 220 deletions
Download Patch File Download Diff File Expand all files Collapse all files

326
zh_encoder.c
View File

@@ -13,83 +13,46 @@
return err; \
}
#define ZH_ENCODER_DIRECTION_CW 0x10
#define ZH_ENCODER_DIRECTION_CCW 0x20
#define BUTTON_DEBOUNCE_TIME 20
static const uint8_t _encoder_matrix[7][4] = {
{0x03, 0x02, 0x01, 0x00},
{0x23, 0x00, 0x01, 0x00},
{0x13, 0x02, 0x00, 0x00},
{0x03, 0x05, 0x04, 0x00},
{0x03, 0x03, 0x04, 0x00},
{0x03, 0x05, 0x03, 0x00},
};
#define ZH_ENCODER_DIRECTION_CW 1
#define ZH_ENCODER_DIRECTION_CCW -1
TaskHandle_t zh_encoder = NULL;
static QueueHandle_t _queue_handle = NULL;
static portMUX_TYPE _spinlock = portMUX_INITIALIZER_UNLOCKED;
static volatile uint64_t _prev_us = 0;
static uint8_t _encoder_counter = 0;
static bool _is_prev_gpio_isr_handler = false;
static zh_encoder_stats_t _stats = {0};
static uint8_t _encoder_number_matrix[10] = {0};
static uint8_t _encoder_number_matrix[CONFIG_SOC_PCNT_UNITS_PER_GROUP] = {0};
static esp_err_t _zh_encoder_validate_config(const zh_encoder_init_config_t *config);
static esp_err_t _zh_encoder_validate_config(const zh_encoder_init_config_t *config, zh_encoder_handle_t *handle);
static esp_err_t _zh_encoder_pcnt_init(const zh_encoder_init_config_t *config, zh_encoder_handle_t *handle);
static esp_err_t _zh_encoder_gpio_init(const zh_encoder_init_config_t *config, zh_encoder_handle_t *handle);
static esp_err_t _zh_encoder_resources_init(const zh_encoder_init_config_t *config);
static esp_err_t _zh_encoder_task_init(const zh_encoder_init_config_t *config);
static void _zh_encoder_isr_handler(void *arg);
static bool _zh_encoder_isr_handler(pcnt_unit_handle_t unit, const pcnt_watch_event_data_t *edata, void *user_ctx);
static void _zh_encoder_isr_processing_task(void *pvParameter);
static void _zh_encoder_button_isr_handler(void *arg);
ESP_EVENT_DEFINE_BASE(ZH_ENCODER);
esp_err_t zh_encoder_init(const zh_encoder_init_config_t *config, zh_encoder_handle_t *handle) // -V2008
{
ZH_LOGI("Encoder initialization started.");
ZH_ERROR_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, NULL, "Encoder initialization failed. Invalid argument.");
esp_err_t err = _zh_encoder_validate_config(config);
ZH_ERROR_CHECK(config != NULL && handle != NULL, ESP_ERR_INVALID_ARG, NULL, "Encoder initialization failed. Invalid argument.");
ZH_ERROR_CHECK(_encoder_counter < sizeof(_encoder_number_matrix), ESP_ERR_INVALID_ARG, NULL, "Encoder initialization failed. Maximum quantity reached.");
esp_err_t err = _zh_encoder_validate_config(config, handle);
ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "Encoder initialization failed. Initial configuration check failed.");
err = _zh_encoder_gpio_init(config, handle);
ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "Encoder initialization failed. GPIO initialization failed.");
err = _zh_encoder_resources_init(config);
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_isr_handler_remove((gpio_num_t)config->s_gpio_number); gpio_reset_pin((gpio_num_t)config->a_gpio_number); gpio_reset_pin((gpio_num_t)config->b_gpio_number);
gpio_reset_pin((gpio_num_t)config->s_gpio_number), "Encoder initialization failed. Resources 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_isr_handler_remove((gpio_num_t)config->s_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); gpio_reset_pin((gpio_num_t)config->s_gpio_number), "Encoder initialization failed. Resources initialization failed.");
}
ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "Encoder initialization failed. Resources initialization failed.");
err = _zh_encoder_task_init(config);
if (_is_prev_gpio_isr_handler == true)
{
ZH_ERROR_CHECK(err == ESP_OK, err, vQueueDelete(_queue_handle); _queue_handle = NULL; 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),
"Encoder initialization failed. Processing task initialization failed.");
}
else
{
ZH_ERROR_CHECK(err == ESP_OK, err, vQueueDelete(_queue_handle); _queue_handle = NULL; gpio_isr_handler_remove((gpio_num_t)config->a_gpio_number);
gpio_isr_handler_remove((gpio_num_t)config->b_gpio_number); gpio_isr_handler_remove((gpio_num_t)config->s_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); gpio_reset_pin((gpio_num_t)config->s_gpio_number),
"Encoder initialization failed. Processing task initialization failed.");
}
handle->a_gpio_number = config->a_gpio_number;
handle->b_gpio_number = config->b_gpio_number;
handle->s_gpio_number = config->s_gpio_number;
handle->button_status = gpio_get_level((gpio_num_t)config->s_gpio_number);
handle->encoder_number = config->encoder_number;
handle->encoder_min_value = config->encoder_min_value;
handle->encoder_max_value = config->encoder_max_value;
handle->encoder_step = config->encoder_step;
handle->encoder_position = (handle->encoder_min_value + handle->encoder_max_value) / 2;
ZH_ERROR_CHECK(err == ESP_OK, err, vQueueDelete(_queue_handle); _queue_handle = NULL, "Encoder initialization failed. Processing task initialization failed.");
err = _zh_encoder_pcnt_init(config, handle);
ZH_ERROR_CHECK(err == ESP_OK, err, vQueueDelete(_queue_handle); _queue_handle = NULL; vTaskDelete(zh_encoder); zh_encoder = NULL,
"Encoder initialization failed. PCNT initialization failed.");
err = _zh_encoder_gpio_init(config, handle);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_unit_stop(handle->pcnt_unit_handle); pcnt_unit_disable(handle->pcnt_unit_handle); pcnt_del_channel(handle->pcnt_channel_a_handle);
pcnt_del_channel(handle->pcnt_channel_b_handle); pcnt_del_unit(handle->pcnt_unit_handle); vQueueDelete(_queue_handle); _queue_handle = NULL;
vTaskDelete(zh_encoder); zh_encoder = NULL, "Encoder initialization failed. GPIO initialization failed.");
handle->is_initialized = true;
++_encoder_counter;
for (uint8_t i = 0; i < sizeof(_encoder_number_matrix); ++i)
@@ -109,20 +72,22 @@ esp_err_t zh_encoder_deinit(zh_encoder_handle_t *handle)
ZH_LOGI("Encoder deinitialization started.");
ZH_ERROR_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, NULL, "Encoder deinitialization failed. Invalid argument.");
ZH_ERROR_CHECK(handle->is_initialized == true, ESP_FAIL, NULL, "Encoder deinitialization failed. Encoder not initialized.");
gpio_isr_handler_remove((gpio_num_t)handle->a_gpio_number);
gpio_isr_handler_remove((gpio_num_t)handle->b_gpio_number);
gpio_isr_handler_remove((gpio_num_t)handle->s_gpio_number);
gpio_reset_pin((gpio_num_t)handle->a_gpio_number);
gpio_reset_pin((gpio_num_t)handle->b_gpio_number);
gpio_reset_pin((gpio_num_t)handle->s_gpio_number);
pcnt_unit_stop(handle->pcnt_unit_handle);
pcnt_unit_disable(handle->pcnt_unit_handle);
pcnt_del_channel(handle->pcnt_channel_a_handle);
pcnt_del_channel(handle->pcnt_channel_b_handle);
pcnt_del_unit(handle->pcnt_unit_handle);
if (handle->s_gpio_number != GPIO_NUM_MAX)
{
gpio_isr_handler_remove((gpio_num_t)handle->s_gpio_number);
gpio_reset_pin((gpio_num_t)handle->s_gpio_number);
}
if (_encoder_counter == 1)
{
vQueueDelete(_queue_handle);
_queue_handle = NULL;
vTaskDelete(zh_encoder);
if (_is_prev_gpio_isr_handler == false)
{
gpio_uninstall_isr_service();
}
zh_encoder = NULL;
}
handle->is_initialized = false;
--_encoder_counter;
@@ -171,7 +136,7 @@ esp_err_t zh_encoder_set(zh_encoder_handle_t *handle, double position)
esp_err_t zh_encoder_get(const zh_encoder_handle_t *handle, double *position)
{
ZH_LOGI("Encoder get position started.");
ZH_ERROR_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, NULL, "Encoder get position failed. Invalid argument.");
ZH_ERROR_CHECK(handle != NULL && position != NULL, ESP_ERR_INVALID_ARG, NULL, "Encoder get position failed. Invalid argument.");
ZH_ERROR_CHECK(handle->is_initialized == true, ESP_FAIL, NULL, "Encoder get position failed. Encoder not initialized.");
*position = handle->encoder_position;
ZH_LOGI("Encoder get position completed successfully.");
@@ -204,9 +169,9 @@ void zh_encoder_reset_stats(void)
ZH_LOGI("Error statistic reset successfully.");
}
static esp_err_t _zh_encoder_validate_config(const zh_encoder_init_config_t *config) // -V2008
static esp_err_t _zh_encoder_validate_config(const zh_encoder_init_config_t *config, zh_encoder_handle_t *handle) // -V2008
{
ZH_ERROR_CHECK(config != NULL, ESP_ERR_INVALID_ARG, NULL, "Invalid configuration.");
ZH_ERROR_CHECK(config != NULL && handle != NULL, ESP_ERR_INVALID_ARG, NULL, "Invalid argument.");
ZH_ERROR_CHECK(config->task_priority >= 1 && config->stack_size >= configMINIMAL_STACK_SIZE, ESP_ERR_INVALID_ARG, NULL, "Invalid task settings.");
ZH_ERROR_CHECK(config->queue_size >= 1, ESP_ERR_INVALID_ARG, NULL, "Invalid queue size.");
ZH_ERROR_CHECK(config->encoder_max_value > config->encoder_min_value, ESP_ERR_INVALID_ARG, NULL, "Invalid encoder min/max value.");
@@ -216,65 +181,98 @@ static esp_err_t _zh_encoder_validate_config(const zh_encoder_init_config_t *con
{
ZH_ERROR_CHECK(config->encoder_number != _encoder_number_matrix[i], ESP_ERR_INVALID_ARG, NULL, "Encoder number already present.");
}
handle->encoder_number = config->encoder_number;
handle->encoder_min_value = config->encoder_min_value;
handle->encoder_max_value = config->encoder_max_value;
handle->encoder_step = config->encoder_step;
handle->encoder_position = (handle->encoder_min_value + handle->encoder_max_value) / 2;
return ESP_OK;
}
static esp_err_t _zh_encoder_pcnt_init(const zh_encoder_init_config_t *config, zh_encoder_handle_t *handle) // -V2008
{
ZH_ERROR_CHECK(config != NULL && handle != NULL, ESP_ERR_INVALID_ARG, NULL, "Invalid argument.");
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, "Encoder A and B GPIO is same.")
pcnt_unit_config_t pcnt_unit_config = {
.high_limit = 10,
.low_limit = -10,
};
pcnt_unit_handle_t pcnt_unit_handle = NULL;
esp_err_t err = pcnt_new_unit(&pcnt_unit_config, &pcnt_unit_handle);
ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "PCNT initialization failed.");
pcnt_glitch_filter_config_t pcnt_glitch_filter_config = {
.max_glitch_ns = 1000,
};
err = pcnt_unit_set_glitch_filter(pcnt_unit_handle, &pcnt_glitch_filter_config);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_del_unit(pcnt_unit_handle), "PCNT initialization failed.");
pcnt_chan_config_t pcnt_chan_a_config = {
.edge_gpio_num = config->a_gpio_number,
.level_gpio_num = config->b_gpio_number,
};
pcnt_channel_handle_t pcnt_channel_a_handle = NULL;
err = pcnt_new_channel(pcnt_unit_handle, &pcnt_chan_a_config, &pcnt_channel_a_handle);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_del_unit(pcnt_unit_handle), "PCNT initialization failed.");
pcnt_chan_config_t pcnt_chan_b_config = {
.edge_gpio_num = config->b_gpio_number,
.level_gpio_num = config->a_gpio_number,
};
pcnt_channel_handle_t pcnt_channel_b_handle = NULL;
err = pcnt_new_channel(pcnt_unit_handle, &pcnt_chan_b_config, &pcnt_channel_b_handle);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_del_channel(pcnt_channel_a_handle); pcnt_del_unit(pcnt_unit_handle), "PCNT initialization failed.");
err = pcnt_channel_set_edge_action(pcnt_channel_a_handle, PCNT_CHANNEL_EDGE_ACTION_DECREASE, PCNT_CHANNEL_EDGE_ACTION_HOLD);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_del_channel(pcnt_channel_a_handle); pcnt_del_channel(pcnt_channel_b_handle); pcnt_del_unit(pcnt_unit_handle), "PCNT initialization failed.");
err = pcnt_channel_set_level_action(pcnt_channel_a_handle, PCNT_CHANNEL_LEVEL_ACTION_KEEP, PCNT_CHANNEL_LEVEL_ACTION_HOLD);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_del_channel(pcnt_channel_a_handle); pcnt_del_channel(pcnt_channel_b_handle); pcnt_del_unit(pcnt_unit_handle), "PCNT initialization failed.");
err = pcnt_channel_set_edge_action(pcnt_channel_b_handle, PCNT_CHANNEL_EDGE_ACTION_INCREASE, PCNT_CHANNEL_EDGE_ACTION_HOLD);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_del_channel(pcnt_channel_a_handle); pcnt_del_channel(pcnt_channel_b_handle); pcnt_del_unit(pcnt_unit_handle), "PCNT initialization failed.");
err = pcnt_channel_set_level_action(pcnt_channel_b_handle, PCNT_CHANNEL_LEVEL_ACTION_KEEP, PCNT_CHANNEL_LEVEL_ACTION_HOLD);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_del_channel(pcnt_channel_a_handle); pcnt_del_channel(pcnt_channel_b_handle); pcnt_del_unit(pcnt_unit_handle), "PCNT initialization failed.");
err = pcnt_unit_add_watch_point(pcnt_unit_handle, ZH_ENCODER_DIRECTION_CW);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_del_channel(pcnt_channel_a_handle); pcnt_del_channel(pcnt_channel_b_handle); pcnt_del_unit(pcnt_unit_handle), "PCNT initialization failed.");
err = pcnt_unit_add_watch_point(pcnt_unit_handle, ZH_ENCODER_DIRECTION_CCW);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_del_channel(pcnt_channel_a_handle); pcnt_del_channel(pcnt_channel_b_handle); pcnt_del_unit(pcnt_unit_handle), "PCNT initialization failed.");
pcnt_event_callbacks_t cbs = {
.on_reach = _zh_encoder_isr_handler,
};
err = pcnt_unit_register_event_callbacks(pcnt_unit_handle, &cbs, handle);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_del_channel(pcnt_channel_a_handle); pcnt_del_channel(pcnt_channel_b_handle); pcnt_del_unit(pcnt_unit_handle),
"PCNT initialization failed.");
err = pcnt_unit_enable(pcnt_unit_handle);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_del_channel(pcnt_channel_a_handle); pcnt_del_channel(pcnt_channel_b_handle); pcnt_del_unit(pcnt_unit_handle),
"PCNT initialization failed.");
err = pcnt_unit_clear_count(pcnt_unit_handle);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_unit_disable(pcnt_unit_handle); pcnt_del_channel(pcnt_channel_a_handle); pcnt_del_channel(pcnt_channel_b_handle);
pcnt_del_unit(pcnt_unit_handle), "PCNT initialization failed.");
err = pcnt_unit_start(pcnt_unit_handle);
ZH_ERROR_CHECK(err == ESP_OK, err, pcnt_unit_disable(pcnt_unit_handle); pcnt_del_channel(pcnt_channel_a_handle); pcnt_del_channel(pcnt_channel_b_handle);
pcnt_del_unit(pcnt_unit_handle), "PCNT initialization failed.");
handle->pcnt_unit_handle = pcnt_unit_handle;
handle->pcnt_channel_a_handle = pcnt_channel_a_handle;
handle->pcnt_channel_b_handle = pcnt_channel_b_handle;
return ESP_OK;
}
static esp_err_t _zh_encoder_gpio_init(const zh_encoder_init_config_t *config, zh_encoder_handle_t *handle) // -V2008
{
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 != NULL && handle != NULL, ESP_ERR_INVALID_ARG, NULL, "Invalid argument.");
ZH_ERROR_CHECK(config->s_gpio_number <= GPIO_NUM_MAX, ESP_ERR_INVALID_ARG, NULL, "Invalid GPIO number.")
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.")
gpio_config_t pin_config = {
.mode = GPIO_MODE_INPUT,
.pin_bit_mask = (1ULL << config->a_gpio_number) | (1ULL << config->b_gpio_number) | (1ULL << config->s_gpio_number),
.pull_up_en = GPIO_PULLUP_ENABLE,
.intr_type = GPIO_INTR_ANYEDGE};
esp_err_t err = gpio_config(&pin_config);
ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "GPIO initialization failed.");
if (_encoder_counter == 0)
if (config->s_gpio_number != GPIO_NUM_MAX)
{
gpio_config_t pin_config = {
.mode = GPIO_MODE_INPUT,
.pin_bit_mask = (1ULL << config->s_gpio_number),
.intr_type = GPIO_INTR_ANYEDGE};
esp_err_t err = gpio_config(&pin_config);
ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "GPIO initialization failed.");
err = gpio_install_isr_service(ESP_INTR_FLAG_LOWMED);
ZH_ERROR_CHECK(err == ESP_OK || err == ESP_ERR_INVALID_STATE, err, gpio_reset_pin((gpio_num_t)config->a_gpio_number); gpio_reset_pin((gpio_num_t)config->b_gpio_number);
gpio_reset_pin((gpio_num_t)config->s_gpio_number), "Failed install isr service.");
if (err == ESP_ERR_INVALID_STATE)
{
_is_prev_gpio_isr_handler = true;
}
}
err = gpio_isr_handler_add((gpio_num_t)config->a_gpio_number, _zh_encoder_isr_handler, handle);
if (_is_prev_gpio_isr_handler == true)
{
ZH_ERROR_CHECK(err == ESP_OK, err, gpio_reset_pin((gpio_num_t)config->a_gpio_number); gpio_reset_pin((gpio_num_t)config->b_gpio_number);
gpio_reset_pin((gpio_num_t)config->s_gpio_number), "Interrupt initialization failed.");
}
else
{
ZH_ERROR_CHECK(err == ESP_OK, err, gpio_uninstall_isr_service(); gpio_reset_pin((gpio_num_t)config->a_gpio_number); gpio_reset_pin((gpio_num_t)config->b_gpio_number);
gpio_reset_pin((gpio_num_t)config->s_gpio_number), "Interrupt initialization failed.");
}
err = gpio_isr_handler_add((gpio_num_t)config->b_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_reset_pin((gpio_num_t)config->a_gpio_number);
gpio_reset_pin((gpio_num_t)config->b_gpio_number); gpio_reset_pin((gpio_num_t)config->s_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_uninstall_isr_service(); gpio_reset_pin((gpio_num_t)config->a_gpio_number);
gpio_reset_pin((gpio_num_t)config->b_gpio_number); gpio_reset_pin((gpio_num_t)config->s_gpio_number), "Interrupt initialization failed.");
}
err = gpio_isr_handler_add((gpio_num_t)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); gpio_reset_pin((gpio_num_t)config->s_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);
gpio_reset_pin((gpio_num_t)config->s_gpio_number), "Interrupt initialization failed.");
ZH_ERROR_CHECK(err == ESP_OK || err == ESP_ERR_INVALID_STATE, err, gpio_reset_pin((gpio_num_t)config->s_gpio_number), "Failed install isr service.");
err = gpio_isr_handler_add((gpio_num_t)config->s_gpio_number, _zh_encoder_button_isr_handler, handle);
ZH_ERROR_CHECK(err == ESP_OK, err, gpio_reset_pin((gpio_num_t)config->s_gpio_number), "Interrupt initialization failed.");
handle->s_gpio_number = config->s_gpio_number;
handle->s_gpio_debounce_time = config->s_gpio_debounce_time;
handle->s_gpio_status = gpio_get_level((gpio_num_t)config->s_gpio_number);
}
return ESP_OK;
}
@@ -283,7 +281,7 @@ static esp_err_t _zh_encoder_resources_init(const zh_encoder_init_config_t *conf
{
if (_encoder_counter == 0)
{
_queue_handle = xQueueCreate(config->queue_size, sizeof(zh_encoder_handle_t));
_queue_handle = xQueueCreate(config->queue_size, sizeof(zh_encoder_event_on_isr_t));
ZH_ERROR_CHECK(_queue_handle != NULL, ESP_FAIL, NULL, "Failed to create queue.");
}
return ESP_OK;
@@ -293,31 +291,19 @@ static esp_err_t _zh_encoder_task_init(const zh_encoder_init_config_t *config)
{
if (_encoder_counter == 0)
{
BaseType_t err = xTaskCreatePinnedToCore(&_zh_encoder_isr_processing_task, "zh_encoder_isr_processing", config->stack_size, NULL, config->task_priority, &zh_encoder, tskNO_AFFINITY);
BaseType_t err = xTaskCreatePinnedToCore(&_zh_encoder_isr_processing_task, "zh_encoder_isr_processing", config->stack_size, NULL, config->task_priority,
&zh_encoder, tskNO_AFFINITY);
ZH_ERROR_CHECK(err == pdPASS, ESP_FAIL, NULL, "Failed to create isr processing task.");
}
return ESP_OK;
}
static void IRAM_ATTR _zh_encoder_isr_handler(void *arg)
static bool IRAM_ATTR _zh_encoder_isr_handler(pcnt_unit_handle_t unit, const pcnt_watch_event_data_t *edata, void *user_ctx)
{
zh_encoder_handle_t *encoder_handle = (zh_encoder_handle_t *)arg;
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
uint64_t _current_us = esp_timer_get_time();
bool button_flag = false;
if (_current_us - _prev_us >= BUTTON_DEBOUNCE_TIME)
{
bool button_status = gpio_get_level((gpio_num_t)encoder_handle->s_gpio_number);
if (encoder_handle->button_status != button_status)
{
button_flag = true;
encoder_handle->button_status = button_status;
}
}
_prev_us = _current_us;
encoder_handle->encoder_state = _encoder_matrix[encoder_handle->encoder_state & 0x0F]
[(gpio_get_level((gpio_num_t)encoder_handle->b_gpio_number) << 1) | gpio_get_level((gpio_num_t)encoder_handle->a_gpio_number)];
switch (encoder_handle->encoder_state & 0x30)
zh_encoder_handle_t *encoder_handle = (zh_encoder_handle_t *)user_ctx;
pcnt_unit_clear_count(unit);
switch (edata->watch_point_value)
{
case ZH_ENCODER_DIRECTION_CW:
if (encoder_handle->encoder_position < encoder_handle->encoder_max_value)
@@ -327,10 +313,6 @@ static void IRAM_ATTR _zh_encoder_isr_handler(void *arg)
{
encoder_handle->encoder_position = encoder_handle->encoder_max_value;
}
if (xQueueSendFromISR(_queue_handle, encoder_handle, &xHigherPriorityTaskWoken) != pdTRUE)
{
++_stats.queue_overflow_error;
}
}
break;
case ZH_ENCODER_DIRECTION_CCW:
@@ -341,38 +323,32 @@ static void IRAM_ATTR _zh_encoder_isr_handler(void *arg)
{
encoder_handle->encoder_position = encoder_handle->encoder_min_value;
}
if (xQueueSendFromISR(_queue_handle, encoder_handle, &xHigherPriorityTaskWoken) != pdTRUE)
{
++_stats.queue_overflow_error;
}
}
break;
default:
if (button_flag == true)
{
if (xQueueSendFromISR(_queue_handle, encoder_handle, &xHigherPriorityTaskWoken) != pdTRUE)
{
++_stats.queue_overflow_error;
}
}
return false;
break;
}
zh_encoder_event_on_isr_t encoder_data = {0};
encoder_data.encoder_number = encoder_handle->encoder_number;
encoder_data.encoder_position = encoder_handle->encoder_position;
if (xQueueSendFromISR(_queue_handle, &encoder_data, &xHigherPriorityTaskWoken) != pdTRUE)
{
++_stats.queue_overflow_error;
}
if (xHigherPriorityTaskWoken == pdTRUE)
{
portYIELD_FROM_ISR();
return true;
};
return false;
}
static void IRAM_ATTR _zh_encoder_isr_processing_task(void *pvParameter)
{
zh_encoder_handle_t queue = {0};
zh_encoder_event_on_isr_t encoder_data = {0};
while (xQueueReceive(_queue_handle, &queue, portMAX_DELAY) == pdTRUE)
while (xQueueReceive(_queue_handle, &encoder_data, portMAX_DELAY) == pdTRUE)
{
encoder_data.encoder_number = queue.encoder_number;
encoder_data.encoder_position = queue.encoder_position;
encoder_data.button_status = queue.button_status;
esp_err_t err = esp_event_post(ZH_ENCODER, 0, &encoder_data, sizeof(zh_encoder_event_on_isr_t), 1000 / portTICK_PERIOD_MS);
esp_err_t err = esp_event_post(ZH_ENCODER, ZH_ENCODER_EVENT, &encoder_data, sizeof(zh_encoder_event_on_isr_t), 1000 / portTICK_PERIOD_MS);
if (err != ESP_OK)
{
++_stats.event_post_error;
@@ -381,4 +357,32 @@ static void IRAM_ATTR _zh_encoder_isr_processing_task(void *pvParameter)
_stats.min_stack_size = (uint32_t)uxTaskGetStackHighWaterMark(NULL);
}
vTaskDelete(NULL);
}
static void IRAM_ATTR _zh_encoder_button_isr_handler(void *arg)
{
zh_encoder_handle_t *encoder_handle = (zh_encoder_handle_t *)arg;
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
uint64_t _current_us = esp_timer_get_time();
if (_current_us - encoder_handle->s_gpio_prev_time >= encoder_handle->s_gpio_debounce_time)
{
bool s_gpio_status = gpio_get_level((gpio_num_t)encoder_handle->s_gpio_number);
if (encoder_handle->s_gpio_status != s_gpio_status)
{
encoder_handle->s_gpio_status = s_gpio_status;
zh_encoder_button_event_on_isr_t encoder_data = {0};
encoder_data.encoder_number = encoder_handle->encoder_number;
encoder_data.button_status = encoder_handle->s_gpio_status;
esp_err_t err = esp_event_isr_post(ZH_ENCODER, ZH_BUTTON_EVENT, &encoder_data, sizeof(zh_encoder_button_event_on_isr_t), &xHigherPriorityTaskWoken);
if (err != ESP_OK)
{
++_stats.event_post_error;
}
}
}
encoder_handle->s_gpio_prev_time = _current_us;
if (xHigherPriorityTaskWoken == pdTRUE)
{
portYIELD_FROM_ISR();
};
}