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/************************************************************************************
* arch/avr/src/at91uc3/at91uc3_pwm.h
*
* Copyright (C) 2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE
* COPYRIGHT OWNER 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.
*
************************************************************************************/
#ifndef __ARCH_AVR_SRC_AT91UC3_AT91UC3_PWM_H
#define __ARCH_AVR_SRC_AT91UC3_AT91UC3_PWM_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* PWM Channel Offsets **************************************************************/
#define AVR32_PWM_CHAN_OFFSET(n) (0x200+((n)<<5))
#define AVR32_PWM_CHAN0_OFFSET (0x200)
#define AVR32_PWM_CHAN1_OFFSET (0x220)
/* Register offsets *****************************************************************/
#define AVR32_PWM_MR_OFFSET 0x000 /* PWM Mode Register */
#define AVR32_PWM_ENA_OFFSET 0x004 /* PWM Enable Register */
#define AVR32_PWM_DIS_OFFSET 0x008 /* PWM Disable Register */
#define AVR32_PWM_SR_OFFSET 0x00c /* PWM Status Register */
#define AVR32_PWM_IER_OFFSET 0x010 /* PWM Interrupt Enable Register */
#define AVR32_PWM_IDR_OFFSET 0x014 /* PWM Interrupt Disable Register */
#define AVR32_PWM_IMR_OFFSET 0x018 /* PWM Interrupt Mask Register */
#define AVR32_PWM_ISR_OFFSET 0x01c /* PWM Interrupt Status Register */
#define AVR32_PWM_CMR_OFFSET 0x000 /* Channel Mode Register */
#define AVR32_PWM_CDTY_OFFSET 0x004 /* Channel Duty Cycle Register */
#define AVR32_PWM_CPRD_OFFSET 0x008 /* Channel Period Register */
#define AVR32_PWM_CCNT_OFFSET 0x00c /* Channel Counter Register */
#define AVR32_PWM_CUPD_OFFSET 0x010 /* Channel Update Register */
#define AVR32_PWMCH_CMR_OFFSET(n) (AVR32_PWM_CHAN_OFFSET(n)+PWM_CMR_OFFSET)
#define AVR32_PWMCH_CDTY_OFFSET(n) (AVR32_PWM_CHAN_OFFSET(n)+PWM_CDTY_OFFSET)
#define AVR32_PWMCH_CPRD_OFFSET(n) (AVR32_PWM_CHAN_OFFSET(n)+PWM_CPRD_OFFSET)
#define AVR32_PWMCH_CCNT_OFFSET(n) (AVR32_PWM_CHAN_OFFSET(n)+PWM_CCNT_OFFSET)
#define AVR32_PWMCH_CUPD_OFFSET(n) (AVR32_PWM_CHAN_OFFSET(n)+PWM_CUPD_OFFSET)
#define AVR32_PWMCH0_CMR_OFFSET (AVR32_PWM_CHAN0_OFFSET+PWM_CMR_OFFSET)
#define AVR32_PWMCH0_CDTY_OFFSET (AVR32_PWM_CHAN0_OFFSET+PWM_CDTY_OFFSET)
#define AVR32_PWMCH0_CPRD_OFFSET (AVR32_PWM_CHAN0_OFFSET+PWM_CPRD_OFFSET)
#define AVR32_PWMCH0_CCNT_OFFSET (AVR32_PWM_CHAN0_OFFSET+PWM_CCNT_OFFSET)
#define AVR32_PWMCH0_CUPD_OFFSET (AVR32_PWM_CHAN0_OFFSET+PWM_CUPD_OFFSET)
#define AVR32_PWMCH1_CMR_OFFSET (AVR32_PWM_CHAN1_OFFSET+PWM_CMR_OFFSET)
#define AVR32_PWMCH1_CDTY_OFFSET (AVR32_PWM_CHAN1_OFFSET+PWM_CDTY_OFFSET)
#define AVR32_PWMCH1_CPRD_OFFSET (AVR32_PWM_CHAN1_OFFSET+PWM_CPRD_OFFSET)
#define AVR32_PWMCH1_CCNT_OFFSET (AVR32_PWM_CHAN1_OFFSET+PWM_CCNT_OFFSET)
#define AVR32_PWMCH1_CUPD_OFFSET (AVR32_PWM_CHAN1_OFFSET+PWM_CUPD_OFFSET)
/* PWM Channel Base Addresses *******************************************************/
#define AVR32_PWM_CHAN_BASE(n) (AVR32_PWM_BASE+PWM_CHAN_OFFSET(n))
#define AVR32_PWM_CHAN0_BASE (AVR32_PWM_BASE+PWM_CHAN0_OFFSET)
#define AVR32_PWM_CHAN1_BASE (AVR32_PWM_BASE+PWM_CHAN1_OFFSET)
/* Register Addresses ***************************************************************/
#define AVR32_PWM_MR (AVR32_PWM_BASE+AVR32_PWM_MR_OFFSET)
#define AVR32_PWM_ENA (AVR32_PWM_BASE+AVR32_PWM_ENA_OFFSET)
#define AVR32_PWM_DIS (AVR32_PWM_BASE+AVR32_PWM_DIS_OFFSET)
#define AVR32_PWM_SR (AVR32_PWM_BASE+AVR32_PWM_SR_OFFSET)
#define AVR32_PWM_IER (AVR32_PWM_BASE+AVR32_PWM_IER_OFFSET)
#define AVR32_PWM_IDR (AVR32_PWM_BASE+AVR32_PWM_IDR_OFFSET)
#define AVR32_PWM_IMR (AVR32_PWM_BASE+AVR32_PWM_IMR_OFFSET)
#define AVR32_PWM_ISR (AVR32_PWM_BASE+AVR32_PWM_ISR_OFFSET)
#define AVR32_PWMCH_CMR(n) (AVR32_PWM_CHAN_BASE(n)+PWM_CMR_OFFSET)
#define AVR32_PWMCH_CDTY(n) (AVR32_PWM_CHAN_BASE(n)+PWM_CDTY_OFFSET)
#define AVR32_PWMCH_CPRD(n) (AVR32_PWM_CHAN_BASE(n)+PWM_CPRD_OFFSET)
#define AVR32_PWMCH_CCNT(n) (AVR32_PWM_CHAN_BASE(n)+PWM_CCNT_OFFSET)
#define AVR32_PWMCH_CUPD(n) (AVR32_PWM_CHAN_BASE(n)+PWM_CUPD_OFFSET)
#define AVR32_PWMCH0_CMR (AVR32_PWM_CHAN0_BASE+PWM_CMR_OFFSET)
#define AVR32_PWMCH0_CDTY (AVR32_PWM_CHAN0_BASE+PWM_CDTY_OFFSET)
#define AVR32_PWMCH0_CPRD (AVR32_PWM_CHAN0_BASE+PWM_CPRD_OFFSET)
#define AVR32_PWMCH0_CCNT (AVR32_PWM_CHAN0_BASE+PWM_CCNT_OFFSET)
#define AVR32_PWMCH0_CUPD (AVR32_PWM_CHAN0_BASE+PWM_CUPD_OFFSET)
#define AVR32_PWMCH1_CMR (AVR32_PWM_CHAN1_BASE+PWM_CMR_OFFSET)
#define AVR32_PWMCH1_CDTY (AVR32_PWM_CHAN1_BASE+PWM_CDTY_OFFSET)
#define AVR32_PWMCH1_CPRD (AVR32_PWM_CHAN1_BASE+PWM_CPRD_OFFSET)
#define AVR32_PWMCH1_CCNT (AVR32_PWM_CHAN1_BASE+PWM_CCNT_OFFSET)
#define AVR32_PWMCH1_CUPD (AVR32_PWM_CHAN1_BASE+PWM_CUPD_OFFSET)
/* Register Bit-field Definitions ***************************************************/
/* PWM Mode Register Bit-field Definitions */
#define PWM_MR_DIVA_SHIFT (0) /* Bits 0-7: CLKA Divide Factor */
#define PWM_MR_DIVA_MASK (0xff << PWM_MR_DIVA_SHIFT)
# define PWM_MR_DIVA_OFF (0 << PWM_MR_DIVA_SHIFT)
# define PWM_MR_DIVA(n) ((n) << PWM_MR_DIVA_SHIFT)
#define PWM_MR_PREA_SHIFT (8) /* Bits 8-11 */
#define PWM_MR_PREA_MASK (15 << PWM_MR_PREA_SHIFT)
# define PWM_MR_PREA_MCK (0 << PWM_MR_PREA_SHIFT) /* MCK */
# define PWM_MR_PREA_MCKDIV2 (1 << PWM_MR_PREA_SHIFT) /* MCK/2 */
# define PWM_MR_PREA_MCKDIV4 (2 << PWM_MR_PREA_SHIFT) /* MCK/4 */
# define PWM_MR_PREA_MCKDIV8 (3 << PWM_MR_PREA_SHIFT) /* MCK/8 */
# define PWM_MR_PREA_MCKDIV16 (4 << PWM_MR_PREA_SHIFT) /* MCK/16 */
# define PWM_MR_PREA_MCKDIV32 (5 << PWM_MR_PREA_SHIFT) /* MCK/32 */
# define PWM_MR_PREA_MCKDIV64 (6 << PWM_MR_PREA_SHIFT) /* MCK/64 */
# define PWM_MR_PREA_MCKDIV128 (7 << PWM_MR_PREA_SHIFT) /* MCK/128 */
# define PWM_MR_PREA_MCKDIV256 (8 << PWM_MR_PREA_SHIFT) /* MCK/256 */
# define PWM_MR_PREA_MCKDIV512 (9 << PWM_MR_PREA_SHIFT) /* MCK/512 */
# define PWM_MR_PREA_MCKDIV1024 (10 << PWM_MR_PREA_SHIFT) /* MCK/1024 */
#define PWM_MR_DIVB_SHIFT (16) /* Bits 16-23: CLKB Divide Factor */
#define PWM_MR_DIVB_MASK (0xff << PWM_MR_DIVB_SHIFT)
# define PWM_MR_DIVB_OFF (0 << PWM_MR_DIVB_SHIFT)
# define PWM_MR_DIVB(n) ((n) << PWM_MR_DIVB_SHIFT)
#define PWM_MR_PREB_SHIFT (24) /* Bits 24-27 */
#define PWM_MR_PREB_MASK (15 << PWM_MR_PREB_SHIFT)
# define PWM_MR_PREB_MCK (0 << PWM_MR_PREB_SHIFT) /* MCK */
# define PWM_MR_PREB_MCKDIV2 (1 << PWM_MR_PREB_SHIFT) /* MCK/2 */
# define PWM_MR_PREB_MCKDIV4 (2 << PWM_MR_PREB_SHIFT) /* MCK/4 */
# define PWM_MR_PREB_MCKDIV8 (3 << PWM_MR_PREB_SHIFT) /* MCK/8 */
# define PWM_MR_PREB_MCKDIV16 (4 << PWM_MR_PREB_SHIFT) /* MCK/16 */
# define PWM_MR_PREB_MCKDIV32 (5 << PWM_MR_PREB_SHIFT) /* MCK/32 */
# define PWM_MR_PREB_MCKDIV64 (6 << PWM_MR_PREB_SHIFT) /* MCK/64 */
# define PWM_MR_PREB_MCKDIV128 (7 << PWM_MR_PREB_SHIFT) /* MCK/128 */
# define PWM_MR_PREB_MCKDIV256 (8 << PWM_MR_PREB_SHIFT) /* MCK/256 */
# define PWM_MR_PREB_MCKDIV512 (9 << PWM_MR_PREB_SHIFT) /* MCK/512 */
# define PWM_MR_PREB_MCKDIV1024 (10 << PWM_MR_PREB_SHIFT) /* MCK/1024 */
/* PWM Enable Register Bit-field Definitions */
/* PWM Disable Register Bit-field Definitions */
/* PWM Status Register Bit-field Definitions */
/* PWM Interrupt Enable Register Bit-field Definitions */
/* PWM Interrupt Disable Register Bit-field Definitions */
/* PWM Interrupt Mask Register Bit-field Definitions */
/* PWM Interrupt Status Register Bit-field Definitions */
#define PWM_CHID(n) (1 << (n)) /* Bit n: Channel ID n */
#define PWM_CHID0 (1 << 0) /* Bit 0: Channel ID 0 */
#define PWM_CHID1 (1 << 1) /* Bit 1: Channel ID 1 */
#define PWM_CHID2 (1 << 2) /* Bit 2: Channel ID 2 */
#define PWM_CHID3 (1 << 3) /* Bit 3: Channel ID 3 */
#define PWM_CHID4 (1 << 4) /* Bit 4: Channel ID 4 */
#define PWM_CHID5 (1 << 5) /* Bit 5: Channel ID 5 */
#define PWM_CHID6 (1 << 6) /* Bit 6: Channel ID 6 */
/* Channel Mode Register Bit-field Definitions */
#define PWM_CMR_CPRE_SHIFT (0) /* Bits 0-3: CLKA Divide FactorChannel Pre-scaler */
#define PWM_CMR_CPRE_MASK (15 << PWM_CMR_CPRE_SHIFT)
# define PWM_CMR_CPRE_MCK (0 << PWM_CMR_CPRE_SHIFT) /* MCK */
# define PWM_CMR_CPRE_MCKDIV2 (1 << PWM_CMR_CPRE_SHIFT) /* MCK/2 */
# define PWM_CMR_CPRE_MCKDIV4 (2 << PWM_CMR_CPRE_SHIFT) /* MCK/4 */
# define PWM_CMR_CPRE_MCKDIV8 (3 << PWM_CMR_CPRE_SHIFT) /* MCK/8 */
# define PWM_CMR_CPRE_MCKDIV16 (4 << PWM_CMR_CPRE_SHIFT) /* MCK/16 */
# define PWM_CMR_CPRE_MCKDIV32 (5 << PWM_CMR_CPRE_SHIFT) /* MCK/32 */
# define PWM_CMR_CPRE_MCKDIV64 (6 << PWM_CMR_CPRE_SHIFT) /* MCK/64 */
# define PWM_CMR_CPRE_MCKDIV128 (7 << PWM_CMR_CPRE_SHIFT) /* MCK/128 */
# define PWM_CMR_CPRE_MCKDIV256 (8 << PWM_CMR_CPRE_SHIFT) /* MCK/256 */
# define PWM_CMR_CPRE_MCKDIV512 (9 << PWM_CMR_CPRE_SHIFT) /* MCK/512 */
# define PWM_CMR_CPRE_MCKDIV1024 (10 << PWM_CMR_CPRE_SHIFT) /* MCK/1024 */
# define PWM_CMR_CPRE_CLKA (11 << PWM_CMR_CPRE_SHIFT) /* CLKA */
# define PWM_CMR_CPRE_CLKB (12 << PWM_CMR_CPRE_SHIFT) /* CLB */
#define PWM_CMR_CALG (1 << 8) /* Bit 8: Channel Alignment */
#define PWM_CMR_CPOL (1 << 9) /* Bit 9: Channel Polarity */
#define PWM_CMR_CPD (1 << 10) /* Bit 10: Channel Update Period */
/* Channel Duty Cycle Register Bit-field Definitions */
/* Channel Period Register Bit-field Definitions */
/* Channel Counter Register Bit-field Definitions */
/* Channel Update Register Bit-field Definitions */
/* These registers hold a 32-bit value with bit-fiels */
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
#endif /* __ARCH_AVR_SRC_AT91UC3_AT91UC3_PWM_H */
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