lpctmr.h

LPC Flash Programming Routines for LPC21

/******************************************************************************
 *
 * $RCSfile: $
 * $Revision: $
 *
 * Header file for Philips LPC ARM Processors.
 * Copyright 2004 R O SoftWare
 *
 * No guarantees, warrantees, or promises, implied or otherwise.
 * May be used for hobby or commercial purposes provided copyright
 * notice remains intact.
 *
 *****************************************************************************/
#ifndef INC_LPC_TMR_H
#define INC_LPC_TMR_H

// Timer & PWM Registers
typedef struct
{
  REG32 ir;                             // Interrupt Register
  REG32 tcr;                            // Timer Control Register
  REG32 tc;                             // Timer Counter
  REG32 pr;                             // Prescale Register
  REG32 pc;                             // Prescale Counter Register
  REG32 mcr;                            // Match Control Register
  REG32 mr0;                            // Match Register 0
  REG32 mr1;                            // Match Register 1
  REG32 mr2;                            // Match Register 2
  REG32 mr3;                            // Match Register 3
  REG32 ccr;                            // Capture Control Register
  REG32 cr0;                            // Capture Register 0
  REG32 cr1;                            // Capture Register 1
  REG32 cr2;                            // Capture Register 2
  REG32 cr3;                            // Capture Register 3
  REG32 emr;                            // External Match Register
  REG32 mr4;                            // Match Register 4
  REG32 mr5;                            // Match Register 5
  REG32 mr6;                            // Match Register 6
  REG32 pcr;                            // Control Register
  REG32 ler;                            // Latch Enable Register
} pwmTmrRegs_t;

// Timer Interrupt Register Bit Definitions
#define TIR_MR0I    (1 << 0)            // Interrupt flag for match channel 0
#define TIR_MR1I    (1 << 1)            // Interrupt flag for match channel 1
#define TIR_MR2I    (1 << 2)            // Interrupt flag for match channel 2
#define TIR_MR3I    (1 << 3)            // Interrupt flag for match channel 3
#define TIR_CR0I    (1 << 4)            // Interrupt flag for capture channel 0 event
#define TIR_CR1I    (1 << 5)            // Interrupt flag for capture channel 1 event
#define TIR_CR2I    (1 << 6)            // Interrupt flag for capture channel 2 event
#define TIR_CR3I    (1 << 7)            // Interrupt flag for capture channel 3 event

// PWM Interrupt Register Bit Definitions
#define PWMIR_MR0I  (1 << 0)            // Interrupt flag for match channel 0
#define PWMIR_MR1I  (1 << 1)            // Interrupt flag for match channel 1
#define PWMIR_MR2I  (1 << 2)            // Interrupt flag for match channel 2
#define PWMIR_MR3I  (1 << 3)            // Interrupt flag for match channel 3
#define PWMIR_MR4I  (1 << 8)            // Interrupt flag for match channel 4
#define PWMIR_MR5I  (1 << 9)            // Interrupt flag for match channel 5
#define PWMIR_MR6I  (1 << 10)           // Interrupt flag for match channel 6
#define PWMIR_MASK  (0x070F)

// Timer Control Register Bit Definitions
#define TCR_ENABLE  (1 << 0)
#define TCR_RESET   (1 << 1)

// PWM Control Register Bit Definitions
#define PWMCR_ENABLE (1 << 0)
#define PWMCR_RESET (1 << 1)

// Timer Match Control Register Bit Definitions
#define TMCR_MR0_I  (1 << 0)            // Enable Interrupt when MR0 matches TC
#define TMCR_MR0_R  (1 << 1)            // Enable Reset of TC upon MR0 match
#define TMCR_MR0_S  (1 << 2)            // Enable Stop of TC upon MR0 match
#define TMCR_MR1_I  (1 << 3)            // Enable Interrupt when MR1 matches TC
#define TMCR_MR1_R  (1 << 4)            // Enable Reset of TC upon MR1 match
#define TMCR_MR1_S  (1 << 5)            // Enable Stop of TC upon MR1 match
#define TMCR_MR2_I  (1 << 6)            // Enable Interrupt when MR2 matches TC
#define TMCR_MR2_R  (1 << 7)            // Enable Reset of TC upon MR2 match
#define TMCR_MR2_S  (1 << 8)            // Enable Stop of TC upon MR2 match
#define TMCR_MR3_I  (1 << 9)            // Enable Interrupt when MR3 matches TC
#define TMCR_MR3_R  (1 << 10)           // Enable Reset of TC upon MR3 match
#define TMCR_MR3_S  (1 << 11)           // Enable Stop of TC upon MR3 match

// Timer Capture Control Register Bit Definitions
#define TCCR_CR0_R (1 << 0)            // Enable Rising edge on CAPn.0 will load TC to CR0
#define TCCR_CR0_F (1 << 1)            // Enable Falling edge on CAPn.0 will load TC to CR0
#define TCCR_CR0_I (1 << 2)            // Enable Interrupt on load of CR0
#define TCCR_CR1_R (1 << 3)            // Enable Rising edge on CAPn.1 will load TC to CR1
#define TCCR_CR1_F (1 << 4)            // Enable Falling edge on CAPn.1 will load TC to CR1
#define TCCR_CR1_I (1 << 5)            // Enable Interrupt on load of CR1
#define TCCR_CR2_R (1 << 6)            // Enable Rising edge on CAPn.2 will load TC to CR2
#define TCCR_CR2_F (1 << 7)            // Enable Falling edge on CAPn.2 will load TC to CR2
#define TCCR_CR2_I (1 << 8)            // Enable Interrupt on load of CR2
#define TCCR_CR3_R (1 << 9)            // Enable Rising edge on CAPn.3 will load TC to CR3
#define TCCR_CR3_F (1 << 10)           // Enable Falling edge on CAPn.3 will load TC to CR3
#define TCCR_CR3_I (1 << 11)           // Enable Interrupt on load of CR3

// PWM Control Register Bit Definitions
#define PWMSEL2    (1 << 2)             // Select double edge controlled mode for PWM2 output
#define PWMSEL3    (1 << 3)             // Select double edge controlled mode for PWM3 output
#define PWMSEL4    (1 << 4)             // Select double edge controlled mode for PWM3 output
#define PWMSEL5    (1 << 5)             // Select double edge controlled mode for PWM5 output
#define PWMSEL6    (1 << 6)             // Select double edge controlled mode for PWM6 output
#define PWMENA1    (1 << 9)             // Enable PWM1 output
#define PWMENA2    (1 << 10)            // Enable PWM2 output
#define PWMENA3    (1 << 11)            // Enable PWM3 output
#define PWMENA4    (1 << 12)            // Enable PWM4 output
#define PWMENA5    (1 << 13)            // Enable PWM5 output
#define PWMENA6    (1 << 14)            // Enable PWM6 output

#endif