222 lines
9.7 KiB
C
222 lines
9.7 KiB
C
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/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2008 Develer S.r.l. (http://www.develer.com/)
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*
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* -->
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*
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*
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* \author Francesco Sacchi <batt@develer.com>
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*
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* AT91SAM7 Pulse Width Modulation Controller.
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*/
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#ifndef AT91_PWM_H
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#define AT91_PWM_H
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/**
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* PWM Mode Register.
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*/
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/*\{*/
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#define PWM_MR_OFF 0x00000000 ///< PWM Mode Register offset.
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#define PWM_MR (*((reg32_t *)(PWMC_BASE + PWM_MR_OFF))) ///< PWM Mode Register.
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#define PWM_MR_DIVA_MASK 0x000000FF ///< PWM Mode Divide factor A Mask.
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#define PWM_MR_DIVA_SHIFT 0 ///< PWM Mode Divide factor A LSB.
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#define PWM_MR_DIVB_MASK 0x00FF0000 ///< PWM Mode Divide factor B Mask.
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#define PWM_MR_DIVB_SHIFT 16 ///< PWM Mode Divide factor B LSB.
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#define PWM_MR_PREA_MASK 0x00000F00 ///< PWM Mode prescaler A Mask.
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#define PWM_MR_PREA_SHIFT 8 ///< PWM Mode prescaler A LSB.
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#define PWM_MR_PREB_MASK 0x0F000000 ///< PWM Mode prescaler B Mask.
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#define PWM_MR_PREB_SHIFT 24 ///< PWM Mode prescaler B LSB.
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#define PWM_MR_PRE_MCK 0 ///< PWM Mode prescaler set to MCK.
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#define PWM_MR_PRE_MCK_DIV2 1 ///< PWM Mode prescaler set to MCK/2.
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#define PWM_MR_PRE_MCK_DIV4 2 ///< PWM Mode prescaler set to MCK/4.
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#define PWM_MR_PRE_MCK_DIV8 3 ///< PWM Mode prescaler set to MCK/8.
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#define PWM_MR_PRE_MCK_DIV16 4 ///< PWM Mode prescaler set to MCK/16.
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#define PWM_MR_PRE_MCK_DIV32 5 ///< PWM Mode prescaler set to MCK/32.
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#define PWM_MR_PRE_MCK_DIV64 6 ///< PWM Mode prescaler set to MCK/64.
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#define PWM_MR_PRE_MCK_DIV128 7 ///< PWM Mode prescaler set to MCK/128.
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#define PWM_MR_PRE_MCK_DIV256 8 ///< PWM Mode prescaler set to MCK/256.
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#define PWM_MR_PRE_MCK_DIV512 9 ///< PWM Mode prescaler set to MCK/512.
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#define PWM_MR_PRE_MCK_DIV1024 10 ///< PWM Mode prescaler set to MCK/1024.
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/*\}*/
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/**
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* PWM Channel IDs.
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*/
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/*\{*/
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#define PWM_CHID_MASK 0x0000000F
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#define PWM_CHID0 0
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#define PWM_CHID1 1
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#define PWM_CHID2 2
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#define PWM_CHID3 3
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/*\}*/
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/**
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* PWM Enable Register.
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*/
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/*\{*/
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#define PWM_ENA_OFF 0x00000004 ///< PWM Enable Register offset.
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#define PWM_ENA (*((reg32_t *)(PWMC_BASE + PWM_ENA_OFF))) ///< PWM Enable Register.
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/*\}*/
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/**
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* PWM Disable Register.
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*/
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/*\{*/
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#define PWM_DIS_OFF 0x00000008 ///< PWM Disable Register offset.
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#define PWM_DIS (*((reg32_t *)(PWMC_BASE + PWM_DIS_OFF))) ///< PWM Disable Register.
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/*\}*/
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/**
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* PWM Status Register.
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*/
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/*\{*/
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#define PWM_SR_OFF 0x0000000C ///< PWM Status Register offset.
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#define PWM_SR (*((reg32_t *)(PWMC_BASE + PWM_SR_OFF))) ///< PWM Status Register.
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/*\}*/
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/**
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* PWM Interrupt Enable Register.
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*/
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/*\{*/
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#define PWM_IER_OFF 0x00000010 ///< PWM Interrupt Enable Register offset.
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#define PWM_IER (*((reg32_t *)(PWMC_BASE + PWM_IER_OFF))) ///< PWM Interrupt Enable Register.
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/*\}*/
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/**
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* PWM Interrupt Disable Register.
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*/
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/*\{*/
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#define PWM_IDR_OFF 0x00000014 ///< PWM Interrupt Disable Register offset.
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#define PWM_IDR (*((reg32_t *)(PWMC_BASE + PWM_IDR_OFF))) ///< PWM Interrupt Disable Register.
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/*\}*/
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/**
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* PWM Interrupt Mask Register.
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*/
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/*\{*/
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#define PWM_IMR_OFF 0x00000018 ///< PWM Interrupt Mask Register offset.
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#define PWM_IMR (*((reg32_t *)(PWMC_BASE + PWM_IMR_OFF))) ///< PWM Interrupt Mask Register.
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/*\}*/
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/**
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* PWM Interrupt Status Register.
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*/
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/*\{*/
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#define PWM_ISR_OFF 0x0000001C ///< PWM Interrupt Status Register offset.
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#define PWM_ISR (*((reg32_t *)(PWMC_BASE + PWM_ISR_OFF))) ///< PWM Interrupt Status Register.
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/*\}*/
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#define PWM_CH0_OFF 0x00000200 ///< PWM Channel 0 registers offset.
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#define PWM_CH1_OFF 0x00000220 ///< PWM Channel 1 registers offset.
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#define PWM_CH2_OFF 0x00000240 ///< PWM Channel 2 registers offset.
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#define PWM_CH3_OFF 0x00000260 ///< PWM Channel 3 registers offset.
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/**
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* PWM Channel Mode Register.
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*/
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/*\{*/
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#define PWM_CMR_OFF 0x00000000 ///< PWM Channel Mode Register offset.
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#define PWM_CMR0 (*((reg32_t *)(PWMC_BASE + PWM_CMR_OFF + PWM_CH0_OFF))) ///< PWM Channel 0 Mode Register.
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#define PWM_CMR1 (*((reg32_t *)(PWMC_BASE + PWM_CMR_OFF + PWM_CH1_OFF))) ///< PWM Channel 1 Mode Register.
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#define PWM_CMR2 (*((reg32_t *)(PWMC_BASE + PWM_CMR_OFF + PWM_CH2_OFF))) ///< PWM Channel 2 Mode Register.
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#define PWM_CMR3 (*((reg32_t *)(PWMC_BASE + PWM_CMR_OFF + PWM_CH3_OFF))) ///< PWM Channel 3 Mode Register.
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#define PWM_CPRE_MCK_MASK 0x0000000F ///< PWM Mode prescaler mask.
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#define PWM_CPRE_MCK 0 ///< PWM Mode prescaler set to MCK.
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#define PWM_CPRE_MCK_DIV2 1 ///< PWM Mode prescaler set to MCK/2.
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#define PWM_CPRE_MCK_DIV4 2 ///< PWM Mode prescaler set to MCK/4.
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#define PWM_CPRE_MCK_DIV8 3 ///< PWM Mode prescaler set to MCK/8.
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#define PWM_CPRE_MCK_DIV16 4 ///< PWM Mode prescaler set to MCK/16.
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#define PWM_CPRE_MCK_DIV32 5 ///< PWM Mode prescaler set to MCK/32.
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#define PWM_CPRE_MCK_DIV64 6 ///< PWM Mode prescaler set to MCK/64.
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#define PWM_CPRE_MCK_DIV128 7 ///< PWM Mode prescaler set to MCK/128.
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#define PWM_CPRE_MCK_DIV256 8 ///< PWM Mode prescaler set to MCK/256.
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#define PWM_CPRE_MCK_DIV512 9 ///< PWM Mode prescaler set to MCK/512.
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#define PWM_CPRE_MCK_DIV1024 10 ///< PWM Mode prescaler set to MCK/1024.
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#define PWM_CPRE_CLKA 11 ///< PWM Mode prescaler set to CLKA.
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#define PWM_CPRE_CLKB 12 ///< PWM Mode prescaler set to CLKB.
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#define PWM_CALG 8 ///< PWM Mode channel alignment.
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#define PWM_CPOL 9 ///< PWM Mode channel polarity.
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#define PWM_CPD 10 ///< PWM Mode channel update period.
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/*\}*/
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/**
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* PWM Channel Duty Cycle Register.
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*/
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/*\{*/
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#define PWM_CDTY_OFF 0x00000004 ///< PWM Channel Duty Cycle Register offset.
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#define PWM_CDTY0 (*((reg32_t *)(PWMC_BASE + PWM_CDTY_OFF + PWM_CH0_OFF))) ///< PWM Channel 0 Duty Cycle Register.
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#define PWM_CDTY1 (*((reg32_t *)(PWMC_BASE + PWM_CDTY_OFF + PWM_CH1_OFF))) ///< PWM Channel 1 Duty Cycle Register.
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#define PWM_CDTY2 (*((reg32_t *)(PWMC_BASE + PWM_CDTY_OFF + PWM_CH2_OFF))) ///< PWM Channel 2 Duty Cycle Register.
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#define PWM_CDTY3 (*((reg32_t *)(PWMC_BASE + PWM_CDTY_OFF + PWM_CH3_OFF))) ///< PWM Channel 3 Duty Cycle Register.
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/*\}*/
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/**
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* PWM Channel Period Register.
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*/
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/*\{*/
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#define PWM_CPRD_OFF 0x00000008 ///< PWM Channel Period Register offset.
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#define PWM_CPRD0 (*((reg32_t *)(PWMC_BASE + PWM_CPRD_OFF + PWM_CH0_OFF))) ///< PWM Channel 0 Period Register.
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#define PWM_CPRD1 (*((reg32_t *)(PWMC_BASE + PWM_CPRD_OFF + PWM_CH1_OFF))) ///< PWM Channel 1 Period Register.
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#define PWM_CPRD2 (*((reg32_t *)(PWMC_BASE + PWM_CPRD_OFF + PWM_CH2_OFF))) ///< PWM Channel 2 Period Register.
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#define PWM_CPRD3 (*((reg32_t *)(PWMC_BASE + PWM_CPRD_OFF + PWM_CH3_OFF))) ///< PWM Channel 3 Period Register.
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/*\}*/
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/**
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* PWM Channel Counter Register.
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*/
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/*\{*/
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#define PWM_CCNT_OFF 0x0000000C ///< PWM Channel Counter Register offset.
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#define PWM_CCNT0 (*((reg32_t *)(PWMC_BASE + PWM_CCNT_OFF + PWM_CH0_OFF))) ///< PWM Channel 0 Counter Register.
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#define PWM_CCNT1 (*((reg32_t *)(PWMC_BASE + PWM_CCNT_OFF + PWM_CH1_OFF))) ///< PWM Channel 1 Counter Register.
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#define PWM_CCNT2 (*((reg32_t *)(PWMC_BASE + PWM_CCNT_OFF + PWM_CH2_OFF))) ///< PWM Channel 2 Counter Register.
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#define PWM_CCNT3 (*((reg32_t *)(PWMC_BASE + PWM_CCNT_OFF + PWM_CH3_OFF))) ///< PWM Channel 3 Counter Register.
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/*\}*/
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/**
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* PWM Channel Update Register.
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*/
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/*\{*/
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#define PWM_CUPD_OFF 0x00000010 ///< PWM Channel Update Register offset.
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#define PWM_CUPD0 (*((reg32_t *)(PWMC_BASE + PWM_CUPD_OFF + PWM_CH0_OFF))) ///< PWM Channel 0 Update Register.
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#define PWM_CUPD1 (*((reg32_t *)(PWMC_BASE + PWM_CUPD_OFF + PWM_CH1_OFF))) ///< PWM Channel 1 Update Register.
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#define PWM_CUPD2 (*((reg32_t *)(PWMC_BASE + PWM_CUPD_OFF + PWM_CH2_OFF))) ///< PWM Channel 2 Update Register.
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#define PWM_CUPD3 (*((reg32_t *)(PWMC_BASE + PWM_CUPD_OFF + PWM_CH3_OFF))) ///< PWM Channel 3 Update Register.
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/*\}*/
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#endif /* AT91_PWM_H */
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