esp_components/zh_pcf8574
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perf: updated error checks

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This commit is contained in:
Alexey Zholtikov
2026-01-27 18:52:34 +03:00
parent d4a76ccc66
commit f24a2d8996
1 changed files with 6 additions and 39 deletions
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45
zh_pcf8574.c
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@@ -19,7 +19,6 @@ static SemaphoreHandle_t _interrupt_semaphore = NULL;
static uint8_t _interrupt_gpio = GPIO_NUM_MAX;
static uint8_t _i2c_matrix[16] = {0};
static const uint8_t _gpio_matrix[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
static bool _is_prev_gpio_isr_service = false;
static zh_pcf8574_stats_t _stats = {0};
static zh_vector_t _vector = {0};
@@ -39,7 +38,7 @@ ESP_EVENT_DEFINE_BASE(ZH_PCF8574);
esp_err_t zh_pcf8574_init(const zh_pcf8574_init_config_t *config, zh_pcf8574_handle_t *handle) // -V2008
{
ZH_LOGI("PCF8574 initialization started.");
ZH_ERROR_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, NULL, "PCF8574 initialization failed. Invalid argument.");
ZH_ERROR_CHECK(config != NULL && handle != NULL, ESP_ERR_INVALID_ARG, NULL, "PCF8574 initialization failed. Invalid argument.");
ZH_ERROR_CHECK(handle->is_initialized == false, ESP_ERR_INVALID_STATE, NULL, "PCF8574 initialization failed. PCF8574 is already initialized.");
esp_err_t err = _zh_pcf8574_validate_config(config);
ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "PCF8574 initialization failed. Initial configuration check failed.");
@@ -52,27 +51,11 @@ esp_err_t zh_pcf8574_init(const zh_pcf8574_init_config_t *config, zh_pcf8574_han
err = _zh_pcf8574_gpio_init(config, handle);
ZH_ERROR_CHECK(err == ESP_OK, err, i2c_master_bus_rm_device(handle->dev_handle), "PCF8574 initialization failed. Interrupt GPIO initialization failed.");
err = _zh_pcf8574_resources_init(config);
if (_is_prev_gpio_isr_service == true)
{
ZH_ERROR_CHECK(err == ESP_OK, err, i2c_master_bus_rm_device(handle->dev_handle); gpio_isr_handler_remove((gpio_num_t)config->interrupt_gpio);
gpio_reset_pin((gpio_num_t)config->interrupt_gpio); zh_vector_free(&_vector), "PCF8574 initialization failed. Resources initialization failed.");
}
else
{
ZH_ERROR_CHECK(err == ESP_OK, err, i2c_master_bus_rm_device(handle->dev_handle); gpio_isr_handler_remove((gpio_num_t)config->interrupt_gpio);
gpio_uninstall_isr_service(); gpio_reset_pin((gpio_num_t)config->interrupt_gpio); zh_vector_free(&_vector), "PCF8574 initialization failed. Resources initialization failed.");
}
ZH_ERROR_CHECK(err == ESP_OK, err, i2c_master_bus_rm_device(handle->dev_handle); gpio_isr_handler_remove((gpio_num_t)config->interrupt_gpio);
gpio_reset_pin((gpio_num_t)config->interrupt_gpio); zh_vector_free(&_vector), "PCF8574 initialization failed. Resources initialization failed.");
err = _zh_pcf8574_task_init(config);
if (_is_prev_gpio_isr_service == true)
{
ZH_ERROR_CHECK(err == ESP_OK, err, i2c_master_bus_rm_device(handle->dev_handle); gpio_isr_handler_remove((gpio_num_t)config->interrupt_gpio);
gpio_reset_pin((gpio_num_t)config->interrupt_gpio); zh_vector_free(&_vector); vSemaphoreDelete(_interrupt_semaphore), "PCF8574 initialization failed. Task initialization failed.");
}
else
{
ZH_ERROR_CHECK(err == ESP_OK, err, i2c_master_bus_rm_device(handle->dev_handle); gpio_isr_handler_remove((gpio_num_t)config->interrupt_gpio);
gpio_uninstall_isr_service(); gpio_reset_pin((gpio_num_t)config->interrupt_gpio); zh_vector_free(&_vector); vSemaphoreDelete(_interrupt_semaphore), "PCF8574 initialization failed. Task initialization failed.");
}
ZH_ERROR_CHECK(err == ESP_OK, err, i2c_master_bus_rm_device(handle->dev_handle); gpio_isr_handler_remove((gpio_num_t)config->interrupt_gpio);
gpio_reset_pin((gpio_num_t)config->interrupt_gpio); zh_vector_free(&_vector); vSemaphoreDelete(_interrupt_semaphore), "PCF8574 initialization failed. Task initialization failed.");
}
handle->is_initialized = true;
for (uint8_t i = 0; i < sizeof(_i2c_matrix); ++i)
@@ -110,10 +93,6 @@ esp_err_t zh_pcf8574_deinit(zh_pcf8574_handle_t *handle)
zh_vector_free(&_vector);
vSemaphoreDelete(_interrupt_semaphore);
vTaskDelete(zh_pcf8574);
if (_is_prev_gpio_isr_service == false)
{
gpio_uninstall_isr_service();
}
_interrupt_gpio = GPIO_NUM_MAX;
}
}
@@ -218,7 +197,6 @@ void zh_pcf8574_reset_stats(void)
static esp_err_t _zh_pcf8574_validate_config(const zh_pcf8574_init_config_t *config) // -V2008
{
ZH_ERROR_CHECK(config != NULL, ESP_ERR_INVALID_ARG, NULL, "Initial config is NULL.");
ZH_ERROR_CHECK((config->i2c_address >= 0x20 && config->i2c_address <= 0x27) || (config->i2c_address >= 0x38 && config->i2c_address <= 0x3F), ESP_ERR_INVALID_ARG, NULL, "Invalid I2C address.");
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->interrupt_gpio <= GPIO_NUM_MAX, ESP_ERR_INVALID_ARG, NULL, "Invalid GPIO number.");
@@ -253,19 +231,8 @@ static esp_err_t _zh_pcf8574_gpio_init(const zh_pcf8574_init_config_t *config, z
ZH_ERROR_CHECK(err == ESP_OK, err, zh_vector_free(&_vector), "GPIO configuration 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->interrupt_gpio); zh_vector_free(&_vector), "Failed install isr service.")
if (err == ESP_ERR_INVALID_STATE)
{
_is_prev_gpio_isr_service = true;
}
err = gpio_isr_handler_add((gpio_num_t)config->interrupt_gpio, _zh_pcf8574_isr_handler, NULL);
if (_is_prev_gpio_isr_service == true)
{
ZH_ERROR_CHECK(err == ESP_OK, err, gpio_reset_pin((gpio_num_t)config->interrupt_gpio); zh_vector_free(&_vector), "Failed add isr handler.")
}
else
{
ZH_ERROR_CHECK(err == ESP_OK, err, gpio_uninstall_isr_service(); gpio_reset_pin((gpio_num_t)config->interrupt_gpio); zh_vector_free(&_vector), "Failed add isr handler.")
}
ZH_ERROR_CHECK(err == ESP_OK, err, gpio_reset_pin((gpio_num_t)config->interrupt_gpio); zh_vector_free(&_vector), "Failed add isr handler.")
_interrupt_gpio = config->interrupt_gpio;
return ESP_OK;
}