/* Copyright 2020-2023 Espressif Systems (Shanghai) CO LTD * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #pragma once #include "esp_loader_io.h" #include "driver/spi_master.h" #ifdef __cplusplus extern "C" { #endif typedef struct { spi_host_device_t spi_bus; uint32_t frequency; uint32_t spi_clk_pin; uint32_t spi_miso_pin; uint32_t spi_mosi_pin; uint32_t spi_cs_pin; uint32_t spi_quadwp_pin; uint32_t spi_quadhd_pin; uint32_t reset_trigger_pin; uint32_t strap_bit0_pin; uint32_t strap_bit1_pin; uint32_t strap_bit2_pin; uint32_t strap_bit3_pin; } loader_esp32_spi_config_t; /** * @brief Initializes the SPI interface. * * @param config[in] Configuration structure * * @return * - ESP_LOADER_SUCCESS Success * - ESP_LOADER_ERROR_FAIL Initialization failure */ esp_loader_error_t loader_port_esp32_spi_init(const loader_esp32_spi_config_t *config); /** * @brief Deinitializes the SPI interface. */ void loader_port_esp32_spi_deinit(void); #ifdef __cplusplus } #endif