forked from Imagelibrary/rtems
127 lines
6.4 KiB
C
127 lines
6.4 KiB
C
/* ---------------------------------------------------------------------------- */
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/* Atmel Microcontroller Software Support */
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/* SAM Software Package License */
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/* ---------------------------------------------------------------------------- */
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/* Copyright (c) 2015, Atmel Corporation */
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/* */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or without */
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/* modification, are permitted provided that the following condition is met: */
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/* */
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/* - Redistributions of source code must retain the above copyright notice, */
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/* this list of conditions and the disclaimer below. */
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/* */
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/* Atmel's name may not be used to endorse or promote products derived from */
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/* this software without specific prior written permission. */
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/* */
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/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */
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/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */
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/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
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/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
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/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
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/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
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/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* ---------------------------------------------------------------------------- */
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/**
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* \file
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*
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* \section Purpose
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*
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* Interface for configuring and using Timer Counter (TC) peripherals.
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*
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* \section Usage
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* -# Optionally, use TC_FindMckDivisor() to let the program find the best
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* TCCLKS field value automatically.
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* -# Configure a Timer Counter in the desired mode using TC_Configure().
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* -# Start or stop the timer clock using TC_Start() and TC_Stop().
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*/
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#ifndef _MCAN_CONFIG_
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#define _MCAN_CONFIG_
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/*------------------------------------------------------------------------------
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* Headers
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*------------------------------------------------------------------------------*/
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/*------------------------------------------------------------------------------
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* Global functions
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*------------------------------------------------------------------------------*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Programmable Clock Source for Baud Rate is Common To Both MCAN Controllers */
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#define MCAN_PROG_CLK_PRESCALER 1 /* /1 to /256 */
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// select one of the following for the programmable clock source
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//#define MCAN_PROG_CLK_SELECT PMC_PCK_CSS_SLOW_CLK
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//#define MCAN_PROG_CLK_SELECT PMC_PCK_CSS_MAIN_CLK
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//#define MCAN_PROG_CLK_SELECT PMC_PCK_CSS_PLLA_CLK
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//#define MCAN_PROG_CLK_SELECT PMC_PCK_CSS_UPLL_CLK
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#define MCAN_PROG_CLK_SELECT PMC_PCK_CSS_MCK
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#define MCAN_PROG_CLK_FREQ_HZ \
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((float) 150000000 / (float) MCAN_PROG_CLK_PRESCALER)
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#define MCAN0_BIT_RATE_BPS 500000
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#define MCAN0_PROP_SEG 2
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#define MCAN0_PHASE_SEG1 11
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#define MCAN0_PHASE_SEG2 11
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#define MCAN0_SYNC_JUMP 4
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#define MCAN0_FAST_BIT_RATE_BPS 2000000
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#define MCAN0_FAST_PROP_SEG 2
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#define MCAN0_FAST_PHASE_SEG1 4
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#define MCAN0_FAST_PHASE_SEG2 4
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#define MCAN0_FAST_SYNC_JUMP 2
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#define MCAN0_NMBR_STD_FLTS 8 /* 128 max filters */
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#define MCAN0_NMBR_EXT_FLTS 8 /* 64 max filters */
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#define MCAN0_NMBR_RX_FIFO0_ELMTS 0 /* # of elements, 64 elements max */
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#define MCAN0_NMBR_RX_FIFO1_ELMTS 0 /* # of elements, 64 elements max */
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#define MCAN0_NMBR_RX_DED_BUF_ELMTS 16 /* # of elements, 64 elements max */
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#define MCAN0_NMBR_TX_EVT_FIFO_ELMTS 0 /* # of elements, 32 elements max */
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#define MCAN0_NMBR_TX_DED_BUF_ELMTS 4 /* # of elements, 32 elements max */
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#define MCAN0_NMBR_TX_FIFO_Q_ELMTS 0 /* # of elements, 32 elements max */
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#define MCAN0_RX_FIFO0_ELMT_SZ 8 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
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#define MCAN0_RX_FIFO1_ELMT_SZ 8 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
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#define MCAN0_RX_BUF_ELMT_SZ 8 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
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#define MCAN0_TX_BUF_ELMT_SZ 8 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
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#define MCAN1_BIT_RATE_BPS 500000
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#define MCAN1_PROP_SEG 2
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#define MCAN1_PHASE_SEG1 11
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#define MCAN1_PHASE_SEG2 11
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#define MCAN1_SYNC_JUMP 4
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#define MCAN1_FAST_BIT_RATE_BPS 2000000
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#define MCAN1_FAST_PROP_SEG 2
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#define MCAN1_FAST_PHASE_SEG1 4
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#define MCAN1_FAST_PHASE_SEG2 4
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#define MCAN1_FAST_SYNC_JUMP 2
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#define MCAN1_NMBR_STD_FLTS 8 /* 128 max filters */
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#define MCAN1_NMBR_EXT_FLTS 8 /* 64 max filters */
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#define MCAN1_NMBR_RX_FIFO0_ELMTS 12 /* # of elements, 64 elements max */
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#define MCAN1_NMBR_RX_FIFO1_ELMTS 0 /* # of elements, 64 elements max */
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#define MCAN1_NMBR_RX_DED_BUF_ELMTS 4 /* # of elements, 64 elements max */
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#define MCAN1_NMBR_TX_EVT_FIFO_ELMTS 0 /* # of elements, 32 elements max */
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#define MCAN1_NMBR_TX_DED_BUF_ELMTS 4 /* # of elements, 32 elements max */
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#define MCAN1_NMBR_TX_FIFO_Q_ELMTS 4 /* # of elements, 32 elements max */
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#define MCAN1_RX_FIFO0_ELMT_SZ 8 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
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#define MCAN1_RX_FIFO1_ELMT_SZ 8 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
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#define MCAN1_RX_BUF_ELMT_SZ 64 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
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#define MCAN1_TX_BUF_ELMT_SZ 32 /* 8, 12, 16, 20, 24, 32, 48, 64 bytes */
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#ifdef __cplusplus
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}
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#endif
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#endif /* #ifndef _MCAN_CONFIG_ */
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