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spi.c 7.71 KiB
/**
* @file spi.c
* @brief This file contains the function implementations for the
* Serial Peripheral Interface
*/
/* *****************************************************************************
* Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of Maxim Integrated
* Products, Inc. shall not be used except as stated in the Maxim Integrated
* Products, Inc. Branding Policy.
*
* The mere transfer of this software does not imply any licenses
* of trade secrets, proprietary technology, copyrights, patents,
* trademarks, maskwork rights, or any other form of intellectual
* property whatsoever. Maxim Integrated Products, Inc. retains all
* ownership rights.
*
* $Date: 2019-03-28 15:58:33 +0000 (Thu, 28 Mar 2019) $
* $Revision: 41940 $
*
**************************************************************************** */
/* **** Includes **** */
#include "spi17y.h"
#include "spi.h"
#include "mxc_sys.h"
#include <string.h>
/**
* @ingroup spi
* @{
*/
/***** Definitions *****/
/***** Functions *****/
int SPI_Init(spi_type spi_name, unsigned int mode, unsigned int freq, sys_cfg_spi_t spi_cfg)
{
int error = E_NO_ERROR;
if (spi_name == SPI0) {
error = SPI17Y_Init(MXC_SPI17Y0, mode, freq, &spi_cfg);
} else if (spi_name == SPI1) {
error = SPI17Y_Init(MXC_SPI17Y1, mode, freq, &spi_cfg);
} else if (spi_name == SPI2) { error = SPI17Y_Init(MXC_SPI17Y2, mode, freq, &spi_cfg);
} else {
return E_BAD_PARAM;
}
return error;
}
/**************************************************************************/
int SPI_MasterTransAsync(spi_type spi_name, spi_req_t *req)
{
int error = E_NO_ERROR;
if (spi_name == SPI0) {
error = SPI17Y_MasterTransAsync(MXC_SPI17Y0, (spi17y_req_t *) req);
} else if (spi_name == SPI1) {
error = SPI17Y_MasterTransAsync(MXC_SPI17Y1, (spi17y_req_t *) req);
} else if (spi_name == SPI2) {
error = SPI17Y_MasterTransAsync(MXC_SPI17Y2, (spi17y_req_t *) req);
} else {
return E_BAD_PARAM;
}
return error;
}
/**************************************************************************/
int SPI_MasterTrans(spi_type spi_name, spi_req_t *req)
{
int error = E_NO_ERROR;
if (spi_name == SPI0) {
error = SPI17Y_MasterTrans(MXC_SPI17Y0, (spi17y_req_t *) req);
} else if (spi_name == SPI1) {
error = SPI17Y_MasterTrans(MXC_SPI17Y1, (spi17y_req_t *) req);
} else if (spi_name == SPI2) {
error = SPI17Y_MasterTrans(MXC_SPI17Y2, (spi17y_req_t *) req);
} else {
return E_BAD_PARAM;
}
return error;
}
/**************************************************************************/
int SPI_SlaveTrans(spi_type spi_name, spi_req_t *req)
{
int error = E_NO_ERROR;
if (spi_name == SPI0) {
error = SPI17Y_SlaveTrans(MXC_SPI17Y0, (spi17y_req_t *) req);
} else if (spi_name == SPI1) {
error = SPI17Y_SlaveTrans(MXC_SPI17Y1, (spi17y_req_t *) req);
} else if (spi_name == SPI2) {
error = SPI17Y_SlaveTrans(MXC_SPI17Y2, (spi17y_req_t *) req);
} else {
return E_BAD_PARAM;
}
return error;
}
/**************************************************************************/
int SPI_SlaveTransAsync(spi_type spi_name, spi_req_t *req)
{
int error = E_NO_ERROR;
if (spi_name == SPI0) {
error = SPI17Y_SlaveTransAsync(MXC_SPI17Y0, (spi17y_req_t *) req);
} else if (spi_name == SPI1) {
error = SPI17Y_SlaveTransAsync(MXC_SPI17Y1, (spi17y_req_t *) req);
} else if (spi_name == SPI2) {
error = SPI17Y_SlaveTransAsync(MXC_SPI17Y2, (spi17y_req_t *) req);
} else {
return E_BAD_PARAM;
}
return error;
}
/**************************************************************************/
int SPI_Shutdown(spi_type spi_name)
{
int error = E_NO_ERROR;
if (spi_name == SPI0) {
error = SPI17Y_Shutdown(MXC_SPI17Y0);
} else if (spi_name == SPI1) {
error = SPI17Y_Shutdown(MXC_SPI17Y1);
} else if (spi_name == SPI2) {
error = SPI17Y_Shutdown(MXC_SPI17Y2);
} else {
return E_BAD_PARAM;
}
return error;
}
/**************************************************************************/
int SPI_AbortAsync(spi_type spi_name, spi_req_t *req)
{
int error = E_NO_ERROR;
if (spi_name == SPI0) {
error = SPI17Y_AbortAsync((spi17y_req_t *) req);
} else if (spi_name == SPI1) {
error = SPI17Y_AbortAsync((spi17y_req_t *) req);
} else if (spi_name == SPI2) {
error = SPI17Y_AbortAsync((spi17y_req_t *) req);
} else {
return E_BAD_PARAM;
}
return error;
}
/**************************************************************************/
int SPI_Handler(spi_type spi_name)
{
if (spi_name == SPI0) {
SPI17Y_Handler(MXC_SPI17Y0);
} else if (spi_name == SPI1) {
SPI17Y_Handler(MXC_SPI17Y1);
} else if (spi_name == SPI2) {
SPI17Y_Handler(MXC_SPI17Y2);
} else {
return E_BAD_PARAM;
}
return E_NO_ERROR;
}
// *****************************************************************************
int SPI_Enable(spi_type spi_name)
{
if (spi_name == SPI0) {
SPI17Y_Enable(MXC_SPI17Y0);
} else if (spi_name == SPI1) {
SPI17Y_Enable(MXC_SPI17Y1);
} else if (spi_name == SPI2) {
SPI17Y_Enable(MXC_SPI17Y2);
} else {
return E_BAD_PARAM;
}
return E_NO_ERROR;
}
// *****************************************************************************
int SPI_Disable(spi_type spi_name)
{
if (spi_name == SPI0) {
SPI17Y_Disable(MXC_SPI17Y0);
} else if (spi_name == SPI1) {
SPI17Y_Disable(MXC_SPI17Y1);
} else if (spi_name == SPI2) {
SPI17Y_Disable(MXC_SPI17Y2);
} else {
return E_BAD_PARAM;
}
return E_NO_ERROR;
}
// *****************************************************************************
int SPI_Clear_fifo(spi_type spi_name)
{
if (spi_name == SPI0) {
SPI17Y_Clear_fifo(MXC_SPI17Y0);
} else if (spi_name == SPI1) {
SPI17Y_Clear_fifo(MXC_SPI17Y1);
} else if (spi_name == SPI2) {
SPI17Y_Clear_fifo(MXC_SPI17Y2);
} else {
return E_BAD_PARAM;
}
return E_NO_ERROR;
}
// *****************************************************************************
/**@} end of group spi */