diff --git a/.gitignore b/.gitignore old mode 100644 new mode 100755 diff --git a/CMakeLists.txt b/CMakeLists.txt old mode 100644 new mode 100755 diff --git a/LICENSE b/LICENSE old mode 100644 new mode 100755 diff --git a/MCP23S17 datasheet.pdf b/MCP23S17 datasheet.pdf old mode 100644 new mode 100755 diff --git a/README.md b/README.md old mode 100644 new mode 100755 diff --git a/include/zh_mcp23s17.h b/include/zh_mcp23s17.h old mode 100644 new mode 100755 index 8c15ba7..6fc4337 --- a/include/zh_mcp23s17.h +++ b/include/zh_mcp23s17.h @@ -24,7 +24,6 @@ { \ .task_priority = 1, \ .stack_size = configMINIMAL_STACK_SIZE, \ - .expander_number = 0, \ .gpa0_gpio_work_mode = ZH_MCP23S17_GPIO_OUTPUT, \ .gpa1_gpio_work_mode = ZH_MCP23S17_GPIO_OUTPUT, \ .gpa2_gpio_work_mode = ZH_MCP23S17_GPIO_OUTPUT, \ @@ -41,6 +40,7 @@ .gpb5_gpio_work_mode = ZH_MCP23S17_GPIO_OUTPUT, \ .gpb6_gpio_work_mode = ZH_MCP23S17_GPIO_OUTPUT, \ .gpb7_gpio_work_mode = ZH_MCP23S17_GPIO_OUTPUT, \ + .cs_gpio = GPIO_NUM_MAX, \ .interrupt_gpio = GPIO_NUM_MAX} #ifdef __cplusplus @@ -79,33 +79,40 @@ extern "C" */ typedef struct { - uint8_t task_priority; /*!< Task priority for the MCP23S17 expander isr processing. @note Minimum value is 1. */ - uint16_t stack_size; /*!< Stack size for task for the MCP23S17 expander isr processing processing. @note The minimum size is configMINIMAL_STACK_SIZE. */ - uint8_t expander_number; /*!< Unique expander number. */ - uint8_t cs_gpio; /*!< Unique CS GPIO. */ - bool p0_gpio_work_mode; /*!< Expander GPIO PO work mode. */ - bool p1_gpio_work_mode; /*!< Expander GPIO P1 work mode. */ - bool p2_gpio_work_mode; /*!< Expander GPIO P2 work mode. */ - bool p3_gpio_work_mode; /*!< Expander GPIO P3 work mode. */ - bool p4_gpio_work_mode; /*!< Expander GPIO P4 work mode. */ - bool p5_gpio_work_mode; /*!< Expander GPIO P5 work mode. */ - bool p6_gpio_work_mode; /*!< Expander GPIO P6 work mode. */ - bool p7_gpio_work_mode; /*!< Expander GPIO P7 work mode. */ - uint8_t interrupt_gpio; /*!< Interrupt GPIO. @attention Must be same for all MCP23S17 expanders. */ - spi_device_handle_t spi_handle; /*!< Unique SPI bus handle. @attention Must be same for all MCP23S17 expanders. */ + uint8_t task_priority; /*!< Task priority for the MCP23S17 expander isr processing. @note Minimum value is 1. */ + uint16_t stack_size; /*!< Stack size for task for the MCP23S17 expander isr processing processing. @note The minimum size is configMINIMAL_STACK_SIZE. */ + uint8_t cs_gpio; /*!< CS GPIO. */ + bool gpa0_gpio_work_mode; /*!< Expander GPIO GPAO work mode. */ + bool gpa1_gpio_work_mode; /*!< Expander GPIO GPA1 work mode. */ + bool gpa2_gpio_work_mode; /*!< Expander GPIO GPA2 work mode. */ + bool gpa3_gpio_work_mode; /*!< Expander GPIO GPA3 work mode. */ + bool gpa4_gpio_work_mode; /*!< Expander GPIO GPA4 work mode. */ + bool gpa5_gpio_work_mode; /*!< Expander GPIO GPA5 work mode. */ + bool gpa6_gpio_work_mode; /*!< Expander GPIO GPA6 work mode. */ + bool gpa7_gpio_work_mode; /*!< Expander GPIO GPA7 work mode. */ + bool gpb0_gpio_work_mode; /*!< Expander GPIO GPBO work mode. */ + bool gpb1_gpio_work_mode; /*!< Expander GPIO GPB1 work mode. */ + bool gpb2_gpio_work_mode; /*!< Expander GPIO GPB2 work mode. */ + bool gpb3_gpio_work_mode; /*!< Expander GPIO GPB3 work mode. */ + bool gpb4_gpio_work_mode; /*!< Expander GPIO GPB4 work mode. */ + bool gpb5_gpio_work_mode; /*!< Expander GPIO GPB5 work mode. */ + bool gpb6_gpio_work_mode; /*!< Expander GPIO GPB6 work mode. */ + bool gpb7_gpio_work_mode; /*!< Expander GPIO GPB7 work mode. */ + uint8_t interrupt_gpio; /*!< Interrupt GPIO. @attention Must be same for all MCP23S17 expanders. */ + uint8_t spi_host; /*!< SPI host. @attention Must be same for all MCP23S17 expanders. */ } zh_mcp23s17_init_config_t; /** - * @brief PCF8574 expander handle. + * @brief MCP23S17 expander handle. */ typedef struct { - // uint8_t i2c_address; /*!< Expander I2C address. */ - uint8_t gpio_work_mode; /*!< Expander GPIO's work mode. */ - uint8_t gpio_status; /*!< Expander GPIO's status. */ - bool is_initialized; /*!< Expander initialization flag. */ - // i2c_master_dev_handle_t dev_handle; /*!< Unique I2C device handle. */ - void *system; /*!< System pointer for use in another components. */ + uint8_t cs_gpio; /*!< CS GPIO. */ + uint16_t gpio_work_mode; /*!< Expander GPIO's work mode. */ + uint16_t gpio_status; /*!< Expander GPIO's status. */ + bool is_initialized; /*!< Expander initialization flag. */ + spi_device_handle_t spi_handle; /*!< Unique SPI device handle. */ + void *system; /*!< System pointer for use in another components. */ } zh_mcp23s17_handle_t; /** @@ -125,30 +132,30 @@ extern "C" /** * @brief Structure for sending data to the event handler when cause an interrupt. * - * @note Should be used with ZH_PCF8574 event base. + * @note Should be used with ZH_MCP23S17 event base. */ typedef struct { - // uint8_t i2c_address; /*!< The i2c address of PCF8574 expander that caused the interrupt. */ + uint8_t cs_gpio; /*!< The CS GPIO of MCP23S17 expander that caused the interrupt. */ uint8_t gpio_number; /*!< The GPIO that caused the interrupt. */ bool gpio_level; /*!< The GPIO level that caused the interrupt. */ } zh_mcp23s17_event_on_isr_t; - // /** - // * @brief Initialize PCF8574 expander. - // * - // * @param[in] config Pointer to PCF8574 initialized configuration structure. Can point to a temporary variable. - // * @param[out] handle Pointer to unique PCF8574 handle. - // * - // * @attention I2C driver must be initialized first. - // * - // * @note Before initialize the expander recommend initialize zh_pcf8574_init_config_t structure with default values. - // * - // * @code zh_pcf8574_init_config_t config = ZH_PCF8574_INIT_CONFIG_DEFAULT() @endcode - // * - // * @return ESP_OK if success or an error code otherwise. - // */ - // esp_err_t zh_pcf8574_init(const zh_mcp23s17_init_config_t *config, zh_pcf8574_handle_t *handle); + /** + * @brief Initialize MCP23S17 expander. + * + * @param[in] config Pointer to MCP23S17 initialized configuration structure. Can point to a temporary variable. + * @param[out] handle Pointer to unique MCP23S17 handle. + * + * @attention SPI driver must be initialized first. + * + * @note Before initialize the expander recommend initialize zh_mcp23s17_init_config_t structure with default values. + * + * @code zh_mcp23s17_init_config_t config = ZH_MCP23S17_INIT_CONFIG_DEFAULT() @endcode + * + * @return ESP_OK if success or an error code otherwise. + */ + esp_err_t zh_mcp23s17_init(const zh_mcp23s17_init_config_t *config, zh_mcp23s17_handle_t *handle); // /** // * @brief Deinitialize PCF8574 expander. diff --git a/version.txt b/version.txt old mode 100644 new mode 100755 diff --git a/zh_mcp23s17.c b/zh_mcp23s17.c old mode 100644 new mode 100755 index e69de29..5df3058 --- a/zh_mcp23s17.c +++ b/zh_mcp23s17.c @@ -0,0 +1,387 @@ +#include "zh_mcp23s17.h" + +static const char *TAG = "mcp23s17"; + +#define ZH_LOGI(msg, ...) ESP_LOGI(TAG, msg, ##__VA_ARGS__) +#define ZH_LOGE(msg, err, ...) ESP_LOGE(TAG, "[%s:%d:%s] " msg, __FILE__, __LINE__, esp_err_to_name(err), ##__VA_ARGS__) + +#define ZH_ERROR_CHECK(cond, err, cleanup, msg, ...) \ + if (!(cond)) \ + { \ + ZH_LOGE(msg, err, ##__VA_ARGS__); \ + cleanup; \ + return err; \ + } + +TaskHandle_t zh_mcp23s17 = NULL; +static SemaphoreHandle_t _interrupt_semaphore = NULL; + +static uint8_t _interrupt_gpio = GPIO_NUM_MAX; +static uint8_t _spi_matrix[3] = {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_mcp23s17_stats_t _stats = {0}; + +static zh_vector_t _vector = {0}; + +static esp_err_t _zh_mcp23s17_validate_config(const zh_mcp23s17_init_config_t *config); +static esp_err_t _zh_mcp23s17_gpio_init(const zh_mcp23s17_init_config_t *config, zh_mcp23s17_handle_t *handle); +static esp_err_t _zh_mcp23s17_spi_init(const zh_mcp23s17_init_config_t *config, zh_mcp23s17_handle_t *handle); +static esp_err_t _zh_mcp23s17_resources_init(const zh_mcp23s17_init_config_t *config); +static esp_err_t _zh_mcp23s17_task_init(const zh_mcp23s17_init_config_t *config); +static void _zh_mcp23s17_isr_handler(void *arg); +static void _zh_mcp23s17_isr_processing_task(void *pvParameter); +static esp_err_t _zh_mcp23s17_read_register(zh_mcp23s17_handle_t *handle, uint16_t *reg); +static esp_err_t _zh_mcp23s17_write_register(zh_mcp23s17_handle_t *handle, uint16_t reg); + +ESP_EVENT_DEFINE_BASE(ZH_MCP23S17); + +esp_err_t zh_mcp23s17_init(const zh_mcp23s17_init_config_t *config, zh_mcp23s17_handle_t *handle) +{ + ZH_LOGI("MCP23S17 initialization started."); + ZH_ERROR_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, NULL, "MCP23S17 initialization failed. Invalid argument."); + ZH_ERROR_CHECK(handle->is_initialized == false, ESP_ERR_INVALID_STATE, NULL, "MCP23S17 initialization failed. MCP23S17 is already initialized."); + esp_err_t err = _zh_mcp23s17_validate_config(config); + ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "MCP23S17 initialization failed. Initial configuration check failed."); + err = _zh_mcp23s17_i2c_init(config, handle); + ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "MCP23S17 initialization failed. Failed to add I2C device."); + // err = _zh_mcp23s17_write_register(handle, handle->gpio_work_mode); + // ZH_ERROR_CHECK(err == ESP_OK, err, i2c_master_bus_rm_device(handle->dev_handle), "MCP23S17 initialization failed. Failed extender initial GPIO setup."); + // if (config->interrupt_gpio < GPIO_NUM_MAX && handle->gpio_work_mode != 0) + // { + // err = _zh_mcp23s17_gpio_init(config, handle); + // ZH_ERROR_CHECK(err == ESP_OK, err, i2c_master_bus_rm_device(handle->dev_handle), "MCP23S17 initialization failed. Interrupt GPIO initialization failed."); + // err = _zh_mcp23s17_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), "MCP23S17 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), "MCP23S17 initialization failed. Resources initialization failed."); + // } + // err = _zh_mcp23s17_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), "MCP23S17 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), "MCP23S17 initialization failed. Task initialization failed."); + // } + // } + // handle->is_initialized = true; + // for (uint8_t i = 0; i < sizeof(_i2c_matrix); ++i) + // { + // if (_i2c_matrix[i] == 0) + // { + // _i2c_matrix[i] = handle->i2c_address; + // break; + // } + // } + ZH_LOGI("MCP23S17 initialization completed successfully."); + return ESP_OK; +} + +// esp_err_t zh_MCP23S17_deinit(zh_MCP23S17_handle_t *handle) +// { +// ZH_LOGI("MCP23S17 deinitialization started."); +// ZH_ERROR_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, NULL, "MCP23S17 deinitialization failed. Invalid argument."); +// ZH_ERROR_CHECK(handle->is_initialized == true, ESP_ERR_INVALID_STATE, NULL, "MCP23S17 deinitialization failed. MCP23S17 not initialized."); +// if (_interrupt_gpio < GPIO_NUM_MAX && handle->gpio_work_mode != 0) +// { +// for (uint16_t i = 0; i < zh_vector_get_size(&_vector); ++i) +// { +// zh_MCP23S17_handle_t *temp_handle = zh_vector_get_item(&_vector, i); +// if (handle->i2c_address == temp_handle->i2c_address) +// { +// zh_vector_delete_item(&_vector, i); +// break; +// } +// } +// if (zh_vector_get_size(&_vector) == 0) +// { +// gpio_isr_handler_remove((gpio_num_t)_interrupt_gpio); +// gpio_reset_pin((gpio_num_t)_interrupt_gpio); +// zh_vector_free(&_vector); +// vSemaphoreDelete(_interrupt_semaphore); +// vTaskDelete(zh_MCP23S17); +// if (_is_prev_gpio_isr_service == false) +// { +// gpio_uninstall_isr_service(); +// } +// _interrupt_gpio = GPIO_NUM_MAX; +// } +// } +// i2c_master_bus_rm_device(handle->dev_handle); +// handle->is_initialized = false; +// for (uint8_t i = 0; i < sizeof(_i2c_matrix); ++i) +// { +// if (_i2c_matrix[i] == handle->i2c_address) +// { +// _i2c_matrix[i] = 0; +// break; +// } +// } +// ZH_LOGI("MCP23S17 deinitialization completed successfully."); +// return ESP_OK; +// } + +// esp_err_t zh_MCP23S17_read(zh_MCP23S17_handle_t *handle, uint8_t *reg) +// { +// ZH_LOGI("MCP23S17 read register started."); +// ZH_ERROR_CHECK(handle != NULL && reg != NULL, ESP_ERR_INVALID_ARG, NULL, "MCP23S17 read register failed. Invalid argument."); +// ZH_ERROR_CHECK(handle->is_initialized == true, ESP_ERR_NOT_FOUND, NULL, "MCP23S17 read register failed. MCP23S17 not initialized."); +// esp_err_t err = _zh_mcp23s17_read_register(handle, reg); +// ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "MCP23S17 read register failed."); +// ZH_LOGI("MCP23S17 read register completed successfully."); +// return ESP_OK; +// } + +// esp_err_t zh_MCP23S17_write(zh_MCP23S17_handle_t *handle, uint8_t reg) +// { +// ZH_LOGI("MCP23S17 write register started."); +// ZH_ERROR_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, NULL, "MCP23S17 write register failed. Invalid argument."); +// ZH_ERROR_CHECK(handle->is_initialized == true, ESP_ERR_NOT_FOUND, NULL, "MCP23S17 write register failed. MCP23S17 not initialized."); +// esp_err_t err = _zh_mcp23s17_write_register(handle, (reg | handle->gpio_work_mode)); +// ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "MCP23S17 write register failed."); +// ZH_LOGI("MCP23S17 write register completed successfully."); +// return ESP_OK; +// } + +// esp_err_t zh_MCP23S17_reset(zh_MCP23S17_handle_t *handle) +// { +// ZH_LOGI("MCP23S17 reset register started."); +// ZH_ERROR_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, NULL, "MCP23S17 reset register failed. Invalid argument."); +// ZH_ERROR_CHECK(handle->is_initialized == true, ESP_ERR_NOT_FOUND, NULL, "MCP23S17 reset register failed. MCP23S17 not initialized."); +// esp_err_t err = _zh_mcp23s17_write_register(handle, handle->gpio_work_mode); +// ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "MCP23S17 reset register failed."); +// ZH_LOGI("MCP23S17 reset register completed successfully."); +// return ESP_OK; +// } + +// esp_err_t zh_MCP23S17_read_gpio(zh_MCP23S17_handle_t *handle, zh_MCP23S17_gpio_num_t gpio, bool *status) // -V2008 +// { +// ZH_LOGI("MCP23S17 read GPIO started."); +// ZH_ERROR_CHECK(handle != NULL && status != NULL, ESP_ERR_INVALID_ARG, NULL, "MCP23S17 read GPIO failed. Invalid argument."); +// ZH_ERROR_CHECK(gpio >= ZH_MCP23S17_GPIO_NUM_P0 && gpio < ZH_MCP23S17_GPIO_NUM_MAX, ESP_FAIL, NULL, "MCP23S17 read GPIO failed. Invalid GPIO number.") +// ZH_ERROR_CHECK(handle->is_initialized == true, ESP_ERR_NOT_FOUND, NULL, "MCP23S17 read GPIO failed. MCP23S17 not initialized."); +// uint8_t gpio_temp = _gpio_matrix[gpio]; +// uint8_t reg_temp = 0; +// esp_err_t err = _zh_mcp23s17_read_register(handle, ®_temp); +// ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "MCP23S17 read GPIO failed."); +// *status = ((reg_temp & gpio_temp) ? 1 : 0); +// ZH_LOGI("MCP23S17 read GPIO completed successfully."); +// return ESP_OK; +// } + +// esp_err_t zh_MCP23S17_write_gpio(zh_MCP23S17_handle_t *handle, zh_MCP23S17_gpio_num_t gpio, bool status) // -V2008 +// { +// ZH_LOGI("MCP23S17 write GPIO started."); +// ZH_ERROR_CHECK(handle != NULL, ESP_ERR_INVALID_ARG, NULL, "MCP23S17 write GPIO failed. Invalid argument."); +// ZH_ERROR_CHECK(gpio >= ZH_MCP23S17_GPIO_NUM_P0 && gpio < ZH_MCP23S17_GPIO_NUM_MAX, ESP_FAIL, NULL, "MCP23S17 write GPIO failed. Invalid GPIO number.") +// ZH_ERROR_CHECK(handle->is_initialized == true, ESP_ERR_NOT_FOUND, NULL, "MCP23S17 write GPIO failed. MCP23S17 not initialized."); +// uint8_t gpio_temp = _gpio_matrix[gpio]; +// esp_err_t err = ESP_OK; +// if (status == true) +// { +// err = _zh_mcp23s17_write_register(handle, handle->gpio_status | handle->gpio_work_mode | gpio_temp); +// } +// else +// { +// err = _zh_mcp23s17_write_register(handle, (handle->gpio_status ^ gpio_temp) | handle->gpio_work_mode); +// } +// ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "MCP23S17 write GPIO failed."); +// ZH_LOGI("MCP23S17 write GPIO completed successfully."); +// return ESP_OK; +// } + +// const zh_MCP23S17_stats_t *zh_MCP23S17_get_stats(void) +// { +// return &_stats; +// } + +// void zh_MCP23S17_reset_stats(void) +// { +// ZH_LOGI("Error statistic reset started."); +// _stats.i2c_driver_error = 0; +// _stats.event_post_error = 0; +// _stats.vector_error = 0; +// _stats.queue_overflow_error = 0; +// _stats.min_stack_size = 0; +// ZH_LOGI("Error statistic reset successfully."); +// } + +// static esp_err_t _zh_mcp23s17_validate_config(const zh_mcp23s17_init_config_t *config) +// { +// 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."); +// ZH_ERROR_CHECK(config->i2c_handle != NULL, ESP_ERR_INVALID_ARG, NULL, "Invalid I2C handle."); +// for (uint8_t i = 0; i < sizeof(_i2c_matrix); ++i) +// { +// ZH_ERROR_CHECK(config->i2c_address != _i2c_matrix[i], ESP_ERR_INVALID_ARG, NULL, "I2C address already present."); +// } +// return ESP_OK; +// } + +// static esp_err_t _zh_mcp23s17_gpio_init(const zh_mcp23s17_init_config_t *config, zh_mcp23s17_handle_t *handle) +// { +// if (_interrupt_gpio != GPIO_NUM_MAX) +// { +// esp_err_t err = zh_vector_push_back(&_vector, handle); +// ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "Failed add item to vector.") +// return ESP_OK; +// } +// esp_err_t err = zh_vector_init(&_vector, sizeof(zh_mcp23s17_handle_t)); +// ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "Failed create vector.") +// err = zh_vector_push_back(&_vector, handle); +// ZH_ERROR_CHECK(err == ESP_OK, err, zh_vector_free(&_vector), "Failed add item to vector.") +// gpio_config_t interrupt_gpio_config = { +// .intr_type = GPIO_INTR_NEGEDGE, +// .mode = GPIO_MODE_INPUT, +// .pin_bit_mask = (1ULL << config->interrupt_gpio), +// .pull_down_en = GPIO_PULLDOWN_DISABLE, +// .pull_up_en = GPIO_PULLUP_ENABLE, +// }; +// err = gpio_config(&interrupt_gpio_config); +// 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_mcp23s17_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.") +// } +// _interrupt_gpio = config->interrupt_gpio; +// return ESP_OK; +// } + +// static esp_err_t _zh_mcp23s17_i2c_init(const zh_mcp23s17_init_config_t *config, zh_mcp23s17_handle_t *handle) +// { +// i2c_device_config_t MCP23S17_config = { +// .dev_addr_length = I2C_ADDR_BIT_LEN_7, +// .device_address = config->i2c_address, +// .scl_speed_hz = 100000, +// }; +// i2c_master_dev_handle_t _dev_handle = NULL; +// esp_err_t err = i2c_master_bus_add_device(config->i2c_handle, &MCP23S17_config, &_dev_handle); +// ZH_ERROR_CHECK(err == ESP_OK, err, NULL, "Failed to add I2C device."); +// err = i2c_master_probe(config->i2c_handle, config->i2c_address, 1000 / portTICK_PERIOD_MS); +// ZH_ERROR_CHECK(err == ESP_OK, err, i2c_master_bus_rm_device(_dev_handle), "Expander not connected or not responding."); +// handle->dev_handle = _dev_handle; +// handle->gpio_work_mode = (config->p7_gpio_work_mode << 7) | (config->p6_gpio_work_mode << 6) | (config->p5_gpio_work_mode << 5) | +// (config->p4_gpio_work_mode << 4) | (config->p3_gpio_work_mode << 3) | (config->p2_gpio_work_mode << 2) | +// (config->p1_gpio_work_mode << 1) | (config->p0_gpio_work_mode << 0); +// handle->gpio_status = handle->gpio_work_mode; +// handle->i2c_address = config->i2c_address; +// return ESP_OK; +// } + +static esp_err_t _zh_mcp23s17_resources_init(const zh_mcp23s17_init_config_t *config) +{ + _interrupt_semaphore = xSemaphoreCreateBinary(); + ZH_ERROR_CHECK(_interrupt_semaphore != NULL, ESP_ERR_NO_MEM, NULL, "Failed to create semaphore.") + return ESP_OK; +} + +static esp_err_t _zh_mcp23s17_task_init(const zh_mcp23s17_init_config_t *config) +{ + BaseType_t err = xTaskCreatePinnedToCore(&_zh_mcp23s17_isr_processing_task, "zh_mcp23s17_isr_processing_task", config->stack_size, NULL, config->task_priority, &zh_mcp23s17, tskNO_AFFINITY); + ZH_ERROR_CHECK(err == pdPASS, err, NULL, "Failed to create isr processing task.") + return ESP_OK; +} + +static void IRAM_ATTR _zh_mcp23s17_isr_handler(void *arg) +{ + BaseType_t xHigherPriorityTaskWoken = pdFALSE; + if (xSemaphoreGiveFromISR(_interrupt_semaphore, &xHigherPriorityTaskWoken) != pdTRUE) + { + ++_stats.queue_overflow_error; + } + if (xHigherPriorityTaskWoken == pdTRUE) + { + portYIELD_FROM_ISR(); + }; +} + +// static void IRAM_ATTR _zh_mcp23s17_isr_processing_task(void *pvParameter) +// { +// for (;;) +// { +// xSemaphoreTake(_interrupt_semaphore, portMAX_DELAY); +// for (uint16_t i = 0; i < zh_vector_get_size(&_vector); ++i) +// { +// zh_MCP23S17_handle_t *handle = zh_vector_get_item(&_vector, i); +// if (handle == NULL) +// { +// ++_stats.vector_error; +// ZH_LOGE("MCP23S17 isr processing failed. Failed to get vector item data.", ESP_FAIL); +// continue; +// } +// zh_MCP23S17_event_on_isr_t event = {0}; +// event.i2c_address = handle->i2c_address; +// event.gpio_number = 0xFF; +// uint8_t old_reg = handle->gpio_status; +// uint8_t new_reg = 0; +// esp_err_t err = _zh_mcp23s17_read_register(handle, &new_reg); +// if (err != ESP_OK) +// { +// ZH_LOGE("MCP23S17 isr processing failed. Failed to read expander register.", err); +// continue; +// } +// for (uint8_t j = 0; j <= 7; ++j) +// { +// if ((handle->gpio_work_mode & _gpio_matrix[j]) != 0) +// { +// if ((old_reg & _gpio_matrix[j]) != (new_reg & _gpio_matrix[j])) +// { +// event.gpio_number = j; +// event.gpio_level = new_reg & _gpio_matrix[j]; +// } +// } +// } +// if (event.gpio_number != 0xFF) +// { +// err = esp_event_post(ZH_MCP23S17, 0, &event, sizeof(event), 1000 / portTICK_PERIOD_MS); +// if (err != ESP_OK) +// { +// ++_stats.event_post_error; +// ZH_LOGE("MCP23S17 isr processing failed. Failed to post interrupt event.", err); +// continue; +// } +// } +// } +// _stats.min_stack_size = (uint32_t)uxTaskGetStackHighWaterMark(NULL); +// } +// vTaskDelete(NULL); +// } + +// static esp_err_t _zh_mcp23s17_read_register(zh_mcp23s17_handle_t *handle, uint8_t *reg) +// { +// // esp_err_t err = i2c_master_receive(handle->dev_handle, &handle->gpio_status, sizeof(handle->gpio_status), 1000 / portTICK_PERIOD_MS); +// // ZH_ERROR_CHECK(err == ESP_OK, err, ++_stats.i2c_driver_error, "I2C driver error."); +// // *reg = handle->gpio_status; +// return ESP_OK; +// } + +// static esp_err_t _zh_mcp23s17_write_register(zh_mcp23s17_handle_t *handle, uint8_t reg) +// { +// // esp_err_t err = i2c_master_transmit(handle->dev_handle, ®, sizeof(reg), 1000 / portTICK_PERIOD_MS); +// // ZH_ERROR_CHECK(err == ESP_OK, err, ++_stats.i2c_driver_error, "I2C driver error."); +// // handle->gpio_status = reg; +// return ESP_OK; +// }