hal_spi.h

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/*
 * Copyright (C) 2020 Inria
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once
 
#include "periph/spi.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define HAL_SPI_MODE0               (SPI_MODE_0)
#define HAL_SPI_MODE1               (SPI_MODE_1)
#define HAL_SPI_MODE2               (SPI_MODE_2)
#define HAL_SPI_MODE3               (SPI_MODE_3)
 
typedef void (*hal_spi_txrx_cb)(void *arg, int len);
 
struct hal_spi_settings {
    spi_mode_t         data_mode;
    spi_clk_t          baudrate;
};
 
int hal_spi_config(int spi_num, struct hal_spi_settings *psettings);
 
int hal_spi_set_txrx_cb(int spi_num, hal_spi_txrx_cb txrx_cb, void *arg);
 
int hal_spi_enable(int spi_num);
 
int hal_spi_disable(int spi_num);
 
int hal_spi_txrx(int spi_num, void *txbuf, void *rxbuf, int cnt);
 
int hal_spi_txrx_noblock(int spi_num, void *txbuf, void *rxbuf, int cnt);
 
#ifdef __cplusplus
}
#endif