Renamed main folder to firmware

2026-03-17 21:58:33 +03:00 · 2015-04-07 18:24:06 +02:00
parent f5cd7efede
commit 5a67c0fef3
326 changed files with 0 additions and 0 deletions
--- a/firmware/sam3s_examples_include/spi_pdc.h
+++ b/firmware/sam3s_examples_include/spi_pdc.h
@@ -0,0 +1,135 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2009, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are 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
+ *
+ * Implementation of SPI PDC driver.
+ *
+ */
+
+#ifndef _SPI_PDC_
+#define _SPI_PDC_
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+#include "chip.h"
+
+/*----------------------------------------------------------------------------
+ *        Definitions
+ *----------------------------------------------------------------------------*/
+
+/** An unspecified error has occured.*/
+#define SPID_ERROR          1
+
+/** SPI driver is currently in use.*/
+#define SPID_ERROR_LOCK     2
+
+/*----------------------------------------------------------------------------
+ *        Macros
+ *----------------------------------------------------------------------------*/
+
+/** Calculates the value of the SCBR field of the Chip Select Register given MCK and SPCK.*/
+#define SPID_CSR_SCBR(mck, spck)    (SPI_CSR_SCBR(((mck) / (spck))) )
+
+/** Calculates the value of the DLYBS field of the Chip Select Register given delay in ns and MCK.*/
+#define SPID_CSR_DLYBS(mck, delay)  ( SPI_CSR_DLYBS(((((delay) * ((mck) / 1000000)) / 1000) + 1)) )
+
+/** Calculates the value of the DLYBCT field of the Chip Select Register given delay in ns and MCK.*/
+#define SPID_CSR_DLYBCT(mck, delay) ( SPI_CSR_DLYBCT((((delay) / 32 * ((mck) / 1000000)) / 1000) + 1) )
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/*----------------------------------------------------------------------------
+ *        Types
+ *----------------------------------------------------------------------------*/
+
+/** SPI transfer complete callback. */
+typedef void (*SpidCallback)( uint8_t, void* ) ;
+
+/** \brief Spi Transfer Request prepared by the application upper layer.
+ *
+ * This structure is sent to the SPI_SendCommand function to start the transfer.
+ * At the end of the transfer, the callback is invoked by the interrupt handler.
+ */
+typedef struct _SpidCmd
+{
+    /** Pointer to the command data. */
+	uint8_t *pCmd;
+    /** Command size in bytes. */
+	uint8_t cmdSize;
+    /** Pointer to the data to be sent. */
+	uint8_t *pData;
+    /** Data size in bytes. */
+	unsigned short dataSize;
+    /** SPI chip select. */
+	uint8_t spiCs;
+    /** Callback function invoked at the end of transfer. */
+	SpidCallback callback;
+    /** Callback arguments. */
+	void *pArgument;
+} SpidCmd ;
+
+/** Constant structure associated with SPI port. This structure prevents
+    client applications to have access in the same time. */
+typedef struct _Spid
+{
+    /** Pointer to SPI Hardware registers */
+	Spi* pSpiHw ;
+    /** SPI Id as defined in the product datasheet */
+	char spiId ;
+    /** Current SpiCommand being processed */
+	SpidCmd *pCurrentCommand ;
+    /** Mutual exclusion semaphore. */
+	volatile char semaphore ;
+} Spid ;
+
+/*----------------------------------------------------------------------------
+ *        Exported functions
+ *----------------------------------------------------------------------------*/
+
+extern uint32_t SPID_Configure( Spid* pSpid, Spi* pSpiHw, uint8_t spiId ) ;
+
+extern void SPID_ConfigureCS( Spid* pSpid, uint32_t dwCS, uint32_t dwCsr ) ;
+	
+extern uint32_t SPID_SendCommand( Spid* pSpid, SpidCmd* pCommand ) ;
+
+extern void SPID_Handler( Spid* pSpid ) ;
+
+extern uint32_t SPID_IsBusy( const Spid* pSpid ) ;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* #ifndef _SPI_PDC_ */
+