--- /dev/null
+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2009 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ * \version $Id$
+ *
+ * \author Luca Ottaviano <lottaviano@develer.com>
+ *
+ * AT91SAM7 SSC register definitions.
+ * This file is based on NUT/OS implementation. See license below.
+ */
+
+/*
+ * Copyright (C) 2006-2007 by egnite Software GmbH. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
+ * SOFTWARE GMBH OR CONTRIBUTORS 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.
+ *
+ * For additional information see http://www.ethernut.de/
+ */
+
+#ifndef AT91_SSC_H
+#define AT91_SSC_H
+
+#include <io/at91sam7.h>
+
+/**
+ * SSC Control Register
+ */
+/*\{*/
+#define SSC_CR_OFF 0x00000000 ///< Control register offset.
+
+#define SSC_RXEN 0 ///< Receive enable.
+#define SSC_RXDIS 1 ///< Receive disable.
+#define SSC_TXEN 8 ///< Transmit enable.
+#define SSC_TXDIS 9 ///< Transmit disable.
+#define SSC_SWRST 15 ///< Software reset.
+/*\}*/
+
+/**
+ * SSC Clock Mode Register
+ */
+/*\{*/
+#define SSC_CMR_OFF 0x00000004 ///< Clock mode register offset.
+
+#define SSC_DIV_MASK 0x00000FFF ///< Clock divider.
+/*\}*/
+
+/**
+ * SSC Receive/Transmit Clock Mode Register
+ */
+/*\{*/
+#define SSC_RCMR_OFF 0x00000010 ///< Receive clock mode register offset.
+#define SSC_TCMR_OFF 0x00000018 ///< Transmit clock mode register offset.
+
+#define SSC_CKS_MASK 0x00000003 ///< Receive clock selection.
+#define SSC_CKS_DIV 0x00000000 ///< Divided clock.
+#define SSC_CKS_CLK 0x00000001 ///< RK/TK clock signal.
+#define SSC_CKS_PIN 0x00000002 ///< TK/RK pin.
+#define SSC_CKO_MASK 0x0000001C ///< Receive clock output mode selection.
+#define SSC_CKO_NONE 0x00000000 ///< None.
+#define SSC_CKO_CONT 0x00000004 ///< Continous receive clock.
+#define SSC_CKO_TRAN 0x00000008 ///< Receive clock only during data transfers.
+#define SSC_CKI 5 ///< Receive clock inversion.
+#define SSC_CKG_MASK 0x000000C0 ///< Receive clock gating selection.
+#define SSC_CKG_NONE 0x00000000 ///< None, continous clock.
+#define SSC_CKG_FL 0x00000040 ///< Continous receive clock.
+#define SSC_CKG_FH 0x00000080 ///< Receive clock only during data transfers.
+#define SSC_START_MASK 0x00000F00 ///< Receive start selection.
+#define SSC_START_CONT 0x00000000 ///< Receive start as soon as enabled.
+#define SSC_START_TX 0x00000100 ///< Receive start on transmit start.
+#define SSC_START_RX 0x00000100 ///< Receive start on receive start.
+#define SSC_START_LOW_F 0x00000200 ///< Receive start on low level RF.
+#define SSC_START_HIGH_F 0x00000300 ///< Receive start on high level RF.
+#define SSC_START_FALL_F 0x00000400 ///< Receive start on falling edge RF.
+#define SSC_START_RISE_F 0x00000500 ///< Receive start on rising edge RF.
+#define SSC_START_LEVEL_F 0x00000600 ///< Receive start on any RF level change.
+#define SSC_START_EDGE_F 0x00000700 ///< Receive start on any RF edge.
+#define SSC_START_COMP0 0x00000800 ///< Receive on compare 0.
+#define SSC_STOP 12 ///< Receive stop selection.
+#define SSC_STTDLY_MASK 0x00FF0000 ///< Receive start delay.
+#define SSC_STTDLY_SHIFT 16 ///< Least significant bit of receive start delay.
+#define SSC_PERIOD_MASK 0xFF000000 ///< Receive period divider selection.
+#define SSC_PERIOD_SHIFT 24 ///< Least significant bit of receive period divider selection.
+/*\}*/
+
+/**
+ * SSC Receive/Transmit Frame Mode Registers
+ */
+/*\{*/
+#define SSC_RFMR_OFF 0x00000014 ///< Receive frame mode register offset.
+#define SSC_TFMR_OFF 0x0000001C ///< Transmit frame mode register offset.
+
+#define SSC_DATLEN_MASK 0x0000001F ///< Data length.
+#define SSC_LOOP 5 ///< Receiver loop mode.
+#define SSC_DATDEF 5 ///< Transmit default value.
+
+#define SSC_MSBF 7 ///< Most significant bit first.
+#define SSC_DATNB_MASK 0x00000F00 ///< Data number per frame.
+#define SSC_DATNB_SHIFT 8 ///< Least significant bit of data number per frame.
+#define SSC_FSLEN_MASK 0x000F0000 ///< Receive frame sync. length.
+#define SSC_FSLEN_SHIFT 16 ///< Least significant bit of receive frame sync. length.
+#define SSC_FSOS 0x00700000 ///< Receive frame sync. output selection.
+#define SSC_FSOS_NONE 0x00000000 ///< No frame sync. Line set to input.
+#define SSC_FSOS_NEGATIVE 0x00100000 ///< Negative pulse.
+#define SSC_FSOS_POSITIVE 0x00200000 ///< Positive pulse.
+#define SSC_FSOS_LOW 0x00300000 ///< Low during transfer.
+#define SSC_FSOS_HIGH 0x00400000 ///< High during transfer.
+#define SSC_FSOS_TOGGLE 0x00500000 ///< Toggling at each start.
+#define SSC_FSDEN 23 ///< Frame sync. data enable.
+#define SSC_FSEDGE 24 ///< Frame sync. edge detection.
+/*\}*/
+
+/**
+ * SSC Receive Holding Register
+ */
+/*\{*/
+#define SSC_RHR_OFF 0x00000020 ///< Receive holding register offset.
+/*\}*/
+
+/**
+ * SSC Transmit Holding Register
+ */
+/*\{*/
+#define SSC_THR_OFF 0x00000024 ///< Transmit holding register offset.
+/*\}*/
+
+/**
+ * SSC Receive Sync. Holding Register
+ */
+/*\{*/
+#define SSC_RSHR_OFF 0x00000030 ///< Receive sync. holding register offset.
+/*\}*/
+
+/**
+ * SSC Transmit Sync. Holding Register
+ */
+/*\{*/
+#define SSC_TSHR_OFF 0x00000034 ///< Transmit sync. holding register offset.
+/*\}*/
+
+/**
+ * SSC Receive Compare 0 Register
+ */
+/*\{*/
+#define SSC_RC0R_OFF 0x00000038 ///< Receive compare 0 register offset.
+/*\}*/
+
+/**
+ * SSC Receive Compare 1 Register
+ */
+/*\{*/
+#define SSC_RC1R_OFF 0x0000003C ///< Receive compare 1 register offset.
+/*\}*/
+
+/**
+ * SSC Status and Interrupt Register
+ */
+/*\{*/
+#define SSC_SR_OFF 0x00000040 ///< Status register offset.
+#define SSC_IER_OFF 0x00000044 ///< Interrupt enable register offset.
+#define SSC_IDR_OFF 0x00000048 ///< Interrupt disable register offset.
+#define SSC_IMR_OFF 0x0000004C ///< Interrupt mask register offset.
+
+#define SSC_TXRDY 0 ///< Transmit ready.
+#define SSC_TXEMPTY 1 ///< Transmit empty.
+#define SSC_ENDTX 2 ///< End of transmission.
+#define SSC_TXBUFE 3 ///< Transmit buffer empty.
+#define SSC_RXRDY 4 ///< Receive ready.
+#define SSC_OVRUN 5 ///< Receive overrun.
+#define SSC_ENDRX 6 ///< End of receiption.
+#define SSC_RXBUFF 7 ///< Receive buffer full.
+#define SSC_CP0 8 ///< Compare 0.
+#define SSC_CP1 9 ///< Compare 1.
+#define SSC_TXSYN 10 ///< Transmit sync.
+#define SSC_RXSYN 11 ///< Receive sync.
+#define SSC_TXENA 16 ///< Transmit enable.
+#define SSC_RXENA 17 ///< Receive enable.
+
+
+#if defined(SSC_BASE)
+ #define SSC_CR (*((reg32_t *)(SSC_BASE + SSC_CR_OFF))) ///< Control register address.
+ #define SSC_CMR (*((reg32_t *)(SSC_BASE + SSC_CMR_OFF))) ///< Clock mode register address.
+ #define SSC_RCMR (*((reg32_t *)(SSC_BASE + SSC_RCMR_OFF))) ///< Receive clock mode register address.
+ #define SSC_TCMR (*((reg32_t *)(SSC_BASE + SSC_TCMR_OFF))) ///< Transmit clock mode register address.
+ #define SSC_RFMR (*((reg32_t *)(SSC_BASE + SSC_RFMR_OFF))) ///< Receive frame mode register address.
+ #define SSC_TFMR (*((reg32_t *)(SSC_BASE + SSC_TFMR_OFF))) ///< Transmit frame mode register address.
+ #define SSC_RHR (*((reg32_t *)(SSC_BASE + SSC_RHR_OFF))) ///< Receive holding register address.
+ #define SSC_THR (*((reg32_t *)(SSC_BASE + SSC_THR_OFF))) ///< Transmit holding register address.
+ #define SSC_RSHR (*((reg32_t *)(SSC_BASE + SSC_RSHR_OFF))) ///< Receive sync. holding register address.
+ #define SSC_TSHR (*((reg32_t *)(SSC_BASE + SSC_TSHR_OFF))) ///< Transmit sync. holding register address.
+ #define SSC_RC0R (*((reg32_t *)(SSC_BASE + SSC_RC0R_OFF))) ///< Receive compare 0 register address.
+ #define SSC_RC1R (*((reg32_t *)(SSC_BASE + SSC_RC1R_OFF))) ///< Receive compare 1 register address.
+ #define SSC_SR (*((reg32_t *)(SSC_BASE + SSC_SR_OFF))) ///< Status register address.
+ #define SSC_IER (*((reg32_t *)(SSC_BASE + SSC_IER_OFF))) ///< Interrupt enable register address.
+ #define SSC_IDR (*((reg32_t *)(SSC_BASE + SSC_IDR_OFF))) ///< Interrupt disable register address.
+ #define SSC_IMR (*((reg32_t *)(SSC_BASE + SSC_IMR_OFF))) ///< Interrupt mask register address.
+ #if defined(SSC_HAS_PDC)
+ #define SSC_RPR (*((reg32_t *)(SSC_BASE + PERIPH_RPR_OFF))) ///< PDC receive pointer register address.
+ #define SSC_RCR (*((reg32_t *)(SSC_BASE + PERIPH_RCR_OFF))) ///< PDC receive counter register address.
+ #define SSC_TPR (*((reg32_t *)(SSC_BASE + PERIPH_TPR_OFF))) ///< PDC transmit pointer register address.
+ #define SSC_TCR (*((reg32_t *)(SSC_BASE + PERIPH_TCR_OFF))) ///< PDC transmit counter register address.
+ #define SSC_RNPR (*((reg32_t *)(SSC_BASE + PERIPH_RNPR_OFF))) ///< PDC receive next pointer register address.
+ #define SSC_RNCR (*((reg32_t *)(SSC_BASE + PERIPH_RNCR_OFF))) ///< PDC receive next counter register address.
+ #define SSC_TNPR (*((reg32_t *)(SSC_BASE + PERIPH_TNPR_OFF))) ///< PDC transmit next pointer register address.
+ #define SSC_TNCR (*((reg32_t *)(SSC_BASE + PERIPH_TNCR_OFF))) ///< PDC transmit next counter register address.
+ #define SSC_PTCR (*((reg32_t *)(SSC_BASE + PERIPH_PTCR_OFF))) ///< PDC transfer control register address.
+ #define SSC_PTSR (*((reg32_t *)(SSC_BASE + PERIPH_PTSR_OFF))) ///< PDC transfer status register address.
+ #endif /* SSC_HAS_PDC */
+
+#endif /* SSC_BASE */
+
+
+#endif /* AT91_SSC_H */
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