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/************************************************************************************
* arch/arm/src/lpc17xx/lpc17_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_ARM_SRC_LPC17XX_LPC17_PWM_H
#define __ARCH_ARM_SRC_LPC17XX_LPC17_PWM_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
#include "lpc17_memorymap.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Register offsets *****************************************************************/
#define LPC17_PWM_IR_OFFSET 0x0000 /* Interrupt Register */
#define LPC17_PWM_TCR_OFFSET 0x0004 /* Timer Control Register */
#define LPC17_PWM_TC_OFFSET 0x0008 /* Timer Counter */
#define LPC17_PWM_PR_OFFSET 0x000c /* Prescale Register */
#define LPC17_PWM_PC_OFFSET 0x0010 /* Prescale Counter */
#define LPC17_PWM_MCR_OFFSET 0x0014 /* Match Control Register */
#define LPC17_PWM_MR0_OFFSET 0x0018 /* Match Register 0 */
#define LPC17_PWM_MR1_OFFSET 0x001c /* Match Register 1 */
#define LPC17_PWM_MR2_OFFSET 0x0020 /* Match Register 2 */
#define LPC17_PWM_MR3_OFFSET 0x0024 /* Match Register 3 */
#define LPC17_PWM_CCR_OFFSET 0x0028 /* Capture Control Register */
#define LPC17_PWM_CR0_OFFSET 0x002c /* Capture Register 0 */
#define LPC17_PWM_CR1_OFFSET 0x0030 /* Capture Register 1 */
#define LPC17_PWM_CR2_OFFSET 0x0034 /* Capture Register 2 */
#define LPC17_PWM_CR3_OFFSET 0x0038 /* Capture Register 3 */
#define LPC17_PWM_MR4_OFFSET 0x0040 /* Match Register 4 */
#define LPC17_PWM_MR5_OFFSET 0x0044 /* Match Register 5 */
#define LPC17_PWM_MR6_OFFSET 0x0048 /* Match Register 6 */
#define LPC17_PWM_PCR_OFFSET 0x004c /* PWM Control Register */
#define LPC17_PWM_LER_OFFSET 0x0050 /* Load Enable Register */
#define LPC17_PWM_CTCR_OFFSET 0x0070 /* Counter/Timer Control Register */
/* Register addresses ***************************************************************/
#define LPC17_PWM1_IR (LPC17_PWM1_BASE+LPC17_PWM_IR_OFFSET)
#define LPC17_PWM1_TCR (LPC17_PWM1_BASE+LPC17_PWM_TCR_OFFSET)
#define LPC17_PWM1_TC (LPC17_PWM1_BASE+LPC17_PWM_TC_OFFSET)
#define LPC17_PWM1_PR (LPC17_PWM1_BASE+LPC17_PWM_PR_OFFSET)
#define LPC17_PWM1_PC (LPC17_PWM1_BASE+LPC17_PWM_PC_OFFSET)
#define LPC17_PWM1_MCR (LPC17_PWM1_BASE+LPC17_PWM_MCR_OFFSET)
#define LPC17_PWM1_MR0 (LPC17_PWM1_BASE+LPC17_PWM_MR0_OFFSET)
#define LPC17_PWM1_MR1 (LPC17_PWM1_BASE+LPC17_PWM_MR1_OFFSET)
#define LPC17_PWM1_MR2 (LPC17_PWM1_BASE+LPC17_PWM_MR2_OFFSET)
#define LPC17_PWM1_MR3 (LPC17_PWM1_BASE+LPC17_PWM_MR3_OFFSET)
#define LPC17_PWM1_MR4 (LPC17_PWM1_BASE+LPC17_PWM_MR4_OFFSET)
#define LPC17_PWM1_MR5 (LPC17_PWM1_BASE+LPC17_PWM_MR5_OFFSET)
#define LPC17_PWM1_MR6 (LPC17_PWM1_BASE+LPC17_PWM_MR6_OFFSET)
#define LPC17_PWM1_CCR (LPC17_PWM1_BASE+LPC17_PWM_CCR_OFFSET)
#define LPC17_PWM1_CR0 (LPC17_PWM1_BASE+LPC17_PWM_CR0_OFFSET)
#define LPC17_PWM1_CR1 (LPC17_PWM1_BASE+LPC17_PWM_CR1_OFFSET)
#define LPC17_PWM1_CR2 (LPC17_PWM1_BASE+LPC17_PWM_CR2_OFFSET)
#define LPC17_PWM1_CR3 (LPC17_PWM1_BASE+LPC17_PWM_CR3_OFFSET)
#define LPC17_PWM1_PCR (LPC17_PWM1_BASE+LPC17_PWM_PCR_OFFSET)
#define LPC17_PWM1_LER (LPC17_PWM1_BASE+LPC17_PWM_LER_OFFSET)
#define LPC17_PWM1_CTCR (LPC17_PWM1_BASE+LPC17_PWM_CTCR_OFFSET)
/* Register bit definitions *********************************************************/
/* Registers holding 32-bit numeric values (no bit field definitions):
*
* Timer Counter (TC)
* Prescale Register (PR)
* Prescale Counter (PC)
* Match Register 0 (MR0)
* Match Register 1 (MR1)
* Match Register 2 (MR2)
* Match Register 3 (MR3)
* Match Register 4 (MR3)
* Match Register 5 (MR3)
* Match Register 6 (MR3)
* Capture Register 0 (CR0)
* Capture Register 1 (CR1)
* Capture Register 1 (CR2)
* Capture Register 1 (CR3)
*/
/* Interrupt Register */
#define PWM_IR_MR0 (1 << 0) /* Bit 0: PWM match channel 0 interrrupt */
#define PWM_IR_MR1 (1 << 1) /* Bit 1: PWM match channel 1 interrrupt */
#define PWM_IR_MR2 (1 << 2) /* Bit 2: PWM match channel 2 interrrupt */
#define PWM_IR_MR3 (1 << 3) /* Bit 3: PWM match channel 3 interrrupt */
#define PWM_IR_CAP0 (1 << 4) /* Bit 4: Capture input 0 interrrupt */
#define PWM_IR_CAP1 (1 << 5) /* Bit 5: Capture input 1 interrrupt */
/* Bits 6-7: Reserved */
#define PWM_IR_MR4 (1 << 8) /* Bit 8: PWM match channel 4 interrrupt */
#define PWM_IR_MR5 (1 << 9) /* Bit 9: PWM match channel 5 interrrupt */
#define PWM_IR_MR6 (1 << 10) /* Bit 10: PWM match channel 6 interrrupt */
/* Bits 11-31: Reserved */
/* Timer Control Register */
#define PWM_TCR_CNTREN (1 << 0) /* Bit 0: Counter Enable */
#define PWM_TCR_CNTRRST (1 << 1) /* Bit 1: Counter Reset */
/* Bit 2: Reserved */
#define PWM_TCR_PWMEN (1 << 3) /* Bit 3: PWM Enable */
/* Bits 4-31: Reserved */
/* Match Control Register */
#define PWM_MCR_MR0I (1 << 0) /* Bit 0: Interrupt on MR0 */
#define PWM_MCR_MR0R (1 << 1) /* Bit 1: Reset on MR0 */
#define PWM_MCR_MR0S (1 << 2) /* Bit 2: Stop on MR0 */
#define PWM_MCR_MR1I (1 << 3) /* Bit 3: Interrupt on MR1 */
#define PWM_MCR_MR1R (1 << 4) /* Bit 4: Reset on MR1 */
#define PWM_MCR_MR1S (1 << 5) /* Bit 5: Stop on MR1 */
#define PWM_MCR_MR2I (1 << 6) /* Bit 6: Interrupt on MR2 */
#define PWM_MCR_MR2R (1 << 7) /* Bit 7: Reset on MR2 */
#define PWM_MCR_MR2S (1 << 8) /* Bit 8: Stop on MR2 */
#define PWM_MCR_MR3I (1 << 9) /* Bit 9: Interrupt on MR3 */
#define PWM_MCR_MR3R (1 << 10) /* Bit 10: Reset on MR3 */
#define PWM_MCR_MR3S (1 << 11) /* Bit 11: Stop on MR3 */
#define PWM_MCR_MR4I (1 << 12) /* Bit 12: Interrupt on MR4 */
#define PWM_MCR_MR4R (1 << 13) /* Bit 13: Reset on MR4 */
#define PWM_MCR_MR4S (1 << 14) /* Bit 14: Stop on MR4 */
#define PWM_MCR_MR5I (1 << 15) /* Bit 15: Interrupt on MR5 */
#define PWM_MCR_MR5R (1 << 16) /* Bit 16: Reset on MR5*/
#define PWM_MCR_MR5S (1 << 17) /* Bit 17: Stop on MR5 */
#define PWM_MCR_MR6I (1 << 18) /* Bit 18: Interrupt on MR6 */
#define PWM_MCR_MR6R (1 << 19) /* Bit 19: Reset on MR6 */
#define PWM_MCR_MR6S (1 << 20) /* Bit 20: Stop on MR6 */
/* Bits 21-31: Reserved */
/* Capture Control Register (Where are CAP2 and 3?) */
#define PWM_CCR_CAP0RE (1 << 0) /* Bit 0: Capture on CAPn.0 rising edge */
#define PWM_CCR_CAP0FE (1 << 1) /* Bit 1: Capture on CAPn.0 falling edg */
#define PWM_CCR_CAP0I (1 << 2) /* Bit 2: Interrupt on CAPn.0 */
#define PWM_CCR_CAP1RE (1 << 3) /* Bit 3: Capture on CAPn.1 rising edge */
#define PWM_CCR_CAP1FE (1 << 4) /* Bit 4: Capture on CAPn.1 falling edg */
#define PWM_CCR_CAP1I (1 << 5) /* Bit 5: Interrupt on CAPn.1 */
/* Bits 6-31: Reserved */
/* PWM Control Register */
/* Bits 0-1: Reserved */
#define PWM_PCR_SEL2 (1 << 2) /* Bit 2: PWM2 single edge controlled mode */
#define PWM_PCR_SEL3 (1 << 3) /* Bit 3: PWM3 single edge controlled mode */
#define PWM_PCR_SEL4 (1 << 4) /* Bit 4: PWM4 single edge controlled mode */
#define PWM_PCR_SEL5 (1 << 5) /* Bit 5: PWM5 single edge controlled mode */
#define PWM_PCR_SEL6 (1 << 6) /* Bit 6: PWM6 single edge controlled mode */
/* Bits 7-8: Reserved */
#define PWM_PCR_ENA1 (1 << 9) /* Bit 9: Enable PWM1 output */
#define PWM_PCR_ENA2 (1 << 10) /* Bit 10: Enable PWM2 output */
#define PWM_PCR_ENA3 (1 << 11) /* Bit 11: Enable PWM3 output */
#define PWM_PCR_ENA4 (1 << 12) /* Bit 12: Enable PWM4 output */
#define PWM_PCR_ENA5 (1 << 13) /* Bit 13: Enable PWM5 output */
#define PWM_PCR_ENA6 (1 << 14) /* Bit 14: Enable PWM6 output */
/* Bits 15-31: Reserved */
/* Load Enable Register */
#define PWM_LER_M0EN (1 << 0) /* Bit 0: Enable PWM Match 0 Latch */
#define PWM_LER_M1EN (1 << 1) /* Bit 1: Enable PWM Match 1 Latch */
#define PWM_LER_M2EN (1 << 2) /* Bit 2: Enable PWM Match 2 Latch */
#define PWM_LER_M3EN (1 << 3) /* Bit 3: Enable PWM Match 3 Latch */
#define PWM_LER_M4EN (1 << 4) /* Bit 4: Enable PWM Match 4 Latch */
#define PWM_LER_M5EN (1 << 5) /* Bit 5: Enable PWM Match 5 Latch */
#define PWM_LER_M6EN (1 << 6) /* Bit 6: Enable PWM Match 6 Latch */
/* Bits 7-31: Reserved */
/* Counter/Timer Control Register */
#define PWM_CTCR_MODE_SHIFT (0) /* Bits 0-1: Counter/Timer Mode */
#define PWM_CTCR_MODE_MASK (3 << PWM_CTCR_MODE_SHIFT)
# define PWM_CTCR_MODE_TIMER (0 << PWM_CTCR_MODE_SHIFT) /* Timer Mode, prescal match */
# define PWM_CTCR_MODE_CNTRRE (1 << PWM_CTCR_MODE_SHIFT) /* Counter Mode, CAP rising edge */
# define PWM_CTCR_MODE_CNTRFE (2 << PWM_CTCR_MODE_SHIFT) /* Counter Mode, CAP falling edge */
# define PWM_CTCR_MODE_CNTRBE (3 << PWM_CTCR_MODE_SHIFT) /* Counter Mode, CAP both edges */
#define PWM_CTCR_INPSEL_SHIFT (2) /* Bits 2-3: Count Input Select */
#define PWM_CTCR_INPSEL_MASK (3 << PWM_CTCR_INPSEL_SHIFT)
# define PWM_CTCR_INPSEL_CAPNp0 (0 << PWM_CTCR_INPSEL_SHIFT) /* CAPn.0 for TIMERn */
# define PWM_CTCR_INPSEL_CAPNp1 (1 << PWM_CTCR_INPSEL_SHIFT) /* CAPn.0 for TIMERn */
/* Bits 4-31: Reserved */
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
#endif /* __ARCH_ARM_SRC_LPC17XX_LPC17_PWM_H */
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