ac2f4d1789
- toolkit V2.8.0.1@14806 - BSL V1.8.0.0@14590 - tcpserver: V1.4.3.0@14676 (marshaller V2.4.0.1@14551)
83 lines
3.4 KiB
C
83 lines
3.4 KiB
C
/**************************************************************************************
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Copyright (c) Hilscher Gesellschaft fuer Systemautomation mbH. All Rights Reserved.
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***************************************************************************************
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$Id: OS_Spi.h 12195 2018-07-18 10:07:13Z AlexanderMinor $:
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Description:
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SPI abstraction
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Changes:
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Date Description
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-----------------------------------------------------------------------------------
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2014-08-01 initial version
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**************************************************************************************/
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/*****************************************************************************/
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/*! \file OS_Spi.h
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* SPI abstraction layer */
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/*****************************************************************************/
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#ifndef OS_SPI__H
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#define OS_SPI__H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/*****************************************************************************/
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/*! Initialize SPI components
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* \param pvOSDependent OS Dependent parameter
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* \return CIFX_NO_ERROR on success */
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/*****************************************************************************/
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long OS_SpiInit(void* pvOSDependent);
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/*****************************************************************************/
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/*! Assert chip select
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* \param pvOSDependent OS Dependent parameter */
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/*****************************************************************************/
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void OS_SpiAssert(void* pvOSDependent);
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/*****************************************************************************/
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/*! Deassert chip select
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* \param pvOSDependent OS Dependent parameter */
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/*****************************************************************************/
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void OS_SpiDeassert(void* pvOSDependent);
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/*****************************************************************************/
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/*! Lock the SPI bus
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* \param pvOSDependent OS Dependent parameter */
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/*****************************************************************************/
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void OS_SpiLock(void* pvOSDependent);
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/*****************************************************************************/
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/*! Unlock the SPI bus
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* \param pvOSDependent OS Dependent parameter */
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/*****************************************************************************/
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void OS_SpiUnlock(void* pvOSDependent);
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/*****************************************************************************/
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/*! Transfer byte stream via SPI. As send and receive buffer are optional,
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* the routine must be capable of sending dummy bytes (in case pbSend == NULL)
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* and discard receive bytes (if pbRecv == NULL). If caller does not pass
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* any buffer at all, we are dealing with an idle transfer to waste some time.
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* \param pvOSDependent OS Dependent parameter
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* \param pbSend Send buffer (Can be NULL for polling data from slave)
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* \param pbRecv Receive buffer (Can be NULL if slaves received data
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is discarded by caller)
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* \param ulLen Length of SPI transfer */
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/*****************************************************************************/
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void OS_SpiTransfer(void* pvOSDependent, uint8_t* pbSend, uint8_t* pbRecv, uint32_t ulLen);
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#ifdef __cplusplus
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}
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#endif
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#endif /* OS_SPI__H */
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