Function esp_idf_hal::sys::adc_oneshot_new_unit

source · 
pub unsafe extern "C" fn adc_oneshot_new_unit(
    init_config: *const adc_oneshot_unit_init_cfg_t,
    ret_unit: *mut *mut adc_oneshot_unit_ctx_t,
) -> i32
Expand description

@brief Create a handle to a specific ADC unit

@note This API is thread-safe. For more details, see ADC programming guide

@param[in] init_config Driver initial configurations @param[out] ret_unit ADC unit handle

@return - ESP_OK: On success - ESP_ERR_INVALID_ARG: Invalid arguments - ESP_ERR_NO_MEM: No memory - ESP_ERR_NOT_FOUND: The ADC peripheral to be claimed is already in use - ESP_FAIL: Clock source isn’t initialised correctly