pwm.h

LPCXpresso1768

/****************************************************************************
 *   $Id:: pwm.h 5759 2010-12-01 18:30:38Z usb00423                         $
 *   Project: NXP LPC17xx PWM example
 *
 *   Description:
 *     This file contains PWM code header definition.
 *
 ****************************************************************************
 * Software that is described herein is for illustrative purposes only
 * which provides customers with programming information regarding the
 * products. This software is supplied "AS IS" without any warranties.
 * NXP Semiconductors assumes no responsibility or liability for the
 * use of the software, conveys no license or title under any patent,
 * copyright, or mask work right to the product. NXP Semiconductors
 * reserves the right to make changes in the software without
 * notification. NXP Semiconductors also make no representation or
 * warranty that such application will be suitable for the specified
 * use without further testing or modification.
****************************************************************************/
#ifndef __PWM_H 
#define __PWM_H

#define PWM_CYCLE		1200
#define PWM_OFFSET		200

#define MR0_INT			(1 << 0)
#define MR1_INT			(1 << 1)
#define MR2_INT			(1 << 2)
#define MR3_INT			(1 << 3)
#define MR4_INT			(1 << 8)
#define MR5_INT			(1 << 9)
#define MR6_INT			(1 << 10)

#define TCR_CNT_EN		0x00000001
#define TCR_RESET		0x00000002
#define TCR_PWM_EN		0x00000008

#define PWMMR0I			(1 << 0)
#define PWMMR0R			(1 << 1)
#define PWMMR0S			(1 << 2)
#define PWMMR1I			(1 << 3)
#define PWMMR1R			(1 << 4)
#define PWMMR1S			(1 << 5)
#define PWMMR2I			(1 << 6)
#define PWMMR2R			(1 << 7)
#define PWMMR2S			(1 << 8)
#define PWMMR3I			(1 << 9)
#define PWMMR3R			(1 << 10)
#define PWMMR3S			(1 << 11)
#define PWMMR4I			(1 << 12)
#define PWMMR4R			(1 << 13)
#define PWMMR4S			(1 << 14)
#define PWMMR5I			(1 << 15)
#define PWMMR5R			(1 << 16)
#define PWMMR5S			(1 << 17)
#define PWMMR6I			(1 << 18)
#define PWMMR6R			(1 << 19)
#define PWMMR6S			(1 << 20)

#define PWMSEL2			(1 << 2)
#define PWMSEL3			(1 << 3)
#define PWMSEL4			(1 << 4)
#define PWMSEL5			(1 << 5)
#define PWMSEL6			(1 << 6)
#define PWMENA1			(1 << 9)
#define PWMENA2			(1 << 10)
#define PWMENA3			(1 << 11)
#define PWMENA4			(1 << 12)
#define PWMENA5			(1 << 13)
#define PWMENA6			(1 << 14)

#define LER0_EN			(1 << 0)
#define LER1_EN			(1 << 1)
#define LER2_EN			(1 << 2)
#define LER3_EN			(1 << 3)
#define LER4_EN			(1 << 4)
#define LER5_EN			(1 << 5)
#define LER6_EN			(1 << 6)

extern uint32_t PWM_Init( uint32_t channelNum, uint32_t cycle );
extern void PWM_Set( uint32_t channelNum, uint32_t cycle, uint32_t offset );
extern void PWM_Start( uint32_t channelNum );
extern void PWM_Stop( uint32_t channelNum );

#endif /* end __PWM_H */
/****************************************************************************
**                            End Of File
****************************************************************************/