diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/atsam/libraries/libchip/include/spi.h')
| -rw-r--r-- | c/src/lib/libbsp/arm/atsam/libraries/libchip/include/spi.h | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/c/src/lib/libbsp/arm/atsam/libraries/libchip/include/spi.h b/c/src/lib/libbsp/arm/atsam/libraries/libchip/include/spi.h deleted file mode 100644 index 0d888fbdfa..0000000000 --- a/c/src/lib/libbsp/arm/atsam/libraries/libchip/include/spi.h +++ /dev/null @@ -1,116 +0,0 @@ -/* ---------------------------------------------------------------------------- */ -/* Atmel Microcontroller Software Support */ -/* SAM Software Package License */ -/* ---------------------------------------------------------------------------- */ -/* Copyright (c) 2015, Atmel Corporation */ -/* */ -/* All rights reserved. */ -/* */ -/* Redistribution and use in source and binary forms, with or without */ -/* modification, are permitted provided that the following condition is met: */ -/* */ -/* - Redistributions of source code must retain the above copyright notice, */ -/* this list of conditions and the disclaimer below. */ -/* */ -/* Atmel's name may not be used to endorse or promote products derived from */ -/* this software without specific prior written permission. */ -/* */ -/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ -/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ -/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ -/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ -/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ -/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ -/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ -/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ -/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -/* ---------------------------------------------------------------------------- */ - -/** - * \file - * - * Interface for Serial Peripheral Interface (SPI) controller. - * - */ - -#ifndef _SPI_ -#define _SPI_ - -/*---------------------------------------------------------------------------- - * Headers - *----------------------------------------------------------------------------*/ - -#include "chip.h" - -/*---------------------------------------------------------------------------- - * Macros - *----------------------------------------------------------------------------*/ - -/** - * - * Here are several macros which should be used when configuring a SPI - * peripheral. - * - * \section spi_configuration_macros SPI Configuration Macros - * - \ref SPI_PCS - * - \ref SPI_SCBR - * - \ref SPI_DLYBS - * - \ref SPI_DLYBCT - */ - -/** Calculate the PCS field value given the chip select NPCS value */ -#define SPI_PCS(npcs) SPI_MR_PCS((~(1 << npcs) & 0xF)) - -/** Calculates the value of the CSR SCBR field given the baudrate and MCK. */ -#define SPI_SCBR(baudrate, masterClock) \ - SPI_CSR_SCBR((uint32_t)(masterClock / baudrate)) - -/** Calculates the value of the CSR DLYBS field given the desired delay (in ns) */ -#define SPI_DLYBS(delay, masterClock) \ - SPI_CSR_DLYBS((uint32_t) (((masterClock / 1000000) * delay) / 1000)+1) - -/** Calculates the value of the CSR DLYBCT field given the desired delay (in ns) */ -#define SPI_DLYBCT(delay, masterClock) \ - SPI_CSR_DLYBCT ((uint32_t) (((masterClock / 1000000) * delay) / 32000)+1) - -/*------------------------------------------------------------------------------ */ - -#ifdef __cplusplus -extern "C" { -#endif - -/*---------------------------------------------------------------------------- - * Exported functions - *----------------------------------------------------------------------------*/ - -extern void SPI_Enable(Spi *spi); -extern void SPI_Disable(Spi *spi); - -extern void SPI_EnableIt(Spi *spi, uint32_t dwSources); -extern void SPI_DisableIt(Spi *spi, uint32_t dwSources); - -extern void SPI_Configure(Spi *spi, uint32_t dwId, uint32_t dwConfiguration); -extern void SPI_SetMode(Spi *spi, uint32_t dwConfiguration); - -extern void SPI_ChipSelect(Spi *spi, uint8_t cS); -extern void SPI_ReleaseCS(Spi *spi); - -extern void SPI_ConfigureNPCS(Spi *spi, uint32_t dwNpcs, - uint32_t dwConfiguration); -extern void SPI_ConfigureCSMode(Spi *spi, uint32_t dwNpcs, - uint32_t bReleaseOnLast); - -extern uint32_t SPI_Read(Spi *spi); -extern void SPI_Write(Spi *spi, uint32_t dwNpcs, uint16_t wData); -extern void SPI_WriteLast(Spi *spi, uint32_t dwNpcs, uint16_t wData); - -extern uint32_t SPI_GetStatus(Spi *spi); -extern uint32_t SPI_IsFinished(Spi *pSpi); - -#ifdef __cplusplus -} -#endif - -#endif /* #ifndef _SPI_ */ - |