/* * Copyright (C) 2015 The Android Open Source Project * * 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. */ #ifndef _SPI_H_ #define _SPI_H_ #include "stm32_bl.h" typedef struct spi_handle { handle_t handle; int fd; } spi_handle_t; uint8_t spi_write_data(handle_t *handle, uint8_t *buffer, int length); uint8_t spi_write_cmd(handle_t *handle, uint8_t cmd); uint8_t spi_read_data(handle_t *handle, uint8_t *data, int length); uint8_t spi_read_ack(handle_t *handle); int spi_init(handle_t *handle); #endif /* _SPI_H_ */