k60编码器驱动程序（已测试，欢迎交流）

阳泉

清风流水隐士

1256556078

//lptmr.h
#ifndef _LPTMR_H_
#define _LPTMR_H_

void lptmr_cnt0_init(void);
void lptmr_cnt1_init(void);

void cnt0_cnt1_enable(void);

void enable_lptmr_interrupt(void);
void disable_lptmr_interrupt(void);

#endif


//lptmr.c
#include "common.h"
#include "lptmr.h"
char LPTMR_INTERRUPT;  //Global flag variable
void lptmr_cnt0_init(void)
{
  unsigned int cmp_value=65535;
  
  SIM_SCGC5 |= SIM_SCGC5_PORTA_MASK | SIM_SCGC5_PORTB_MASK | SIM_SCGC5_PORTC_MASK | SIM_SCGC5_PORTD_MASK | SIM_SCGC5_PORTE_MASK;
  SIM_SCGC5|=SIM_SCGC5_LPTIMER_MASK;
  
  LPTMR0_PSR = LPTMR_PSR_PCS(0x1)|LPTMR_PSR_PBYP_MASK; //LPO clock , bypass glitch filter
  LPTMR0_CMR = LPTMR_CMR_COMPARE(cmp_value);  
  LPTMR0_CSR = LPTMR_CSR_TPS(0x1)|LPTMR_CSR_TMS_MASK|~LPTMR_CSR_TFC_MASK|~LPTMR_CSR_TIE_MASK|LPTMR_CSR_TCF_MASK;
  LPTMR0_CSR &= ~LPTMR_CSR_TEN_MASK;
  
  SIM_SCGC5 |= SIM_SCGC5_PORTA_MASK;
  PORTA_PCR19=PORT_PCR_MUX(0x6); //PTA19
}
void lptmr_cnt1_init(void)
{
  unsigned int cmp_value=1000;
  
  SIM_SCGC5 |= SIM_SCGC5_PORTA_MASK | SIM_SCGC5_PORTB_MASK | SIM_SCGC5_PORTC_MASK | SIM_SCGC5_PORTD_MASK | SIM_SCGC5_PORTE_MASK;
  SIM_SCGC5|=SIM_SCGC5_LPTIMER_MASK;
  
  LPTMR0_PSR=LPTMR_PSR_PCS(0x1)|LPTMR_PSR_PBYP_MASK; //LPO clock , bypass glitch filter
  LPTMR0_CMR=LPTMR_CMR_COMPARE(cmp_value);   
  LPTMR0_CSR = LPTMR_CSR_TPS(0x2)|LPTMR_CSR_TMS_MASK;
  LPTMR0_CSR |= LPTMR_CSR_TCF_MASK;
  LPTMR0_CSR &=~(LPTMR_CSR_TFC_MASK | LPTMR_CSR_TIE_MASK);
  LPTMR0_CSR &= ~LPTMR_CSR_TEN_MASK;
  
  PORTC_PCR5=PORT_PCR_MUX(0x4); // PTC5
}
void enable_lptmr_interrupt(void)
{
  enable_irq(85);
}
void disable_lptmr_interrupt(void)
{
  disable_irq(85);
}
void cnt0_cnt1_enable(void)
{
    LPTMR0_CSR|= LPTMR_CSR_TEN_MASK;
}



//pit0_interrupt
void lptmr_cnt0_init(void)
{
  unsigned int cmp_value=65535;
  
  SIM_SCGC5 |= SIM_SCGC5_PORTA_MASK | SIM_SCGC5_PORTB_MASK | SIM_SCGC5_PORTC_MASK | SIM_SCGC5_PORTD_MASK | SIM_SCGC5_PORTE_MASK;
  SIM_SCGC5|=SIM_SCGC5_LPTIMER_MASK;
  
  LPTMR0_PSR = LPTMR_PSR_PCS(0x1)|LPTMR_PSR_PBYP_MASK; //LPO clock , bypass glitch filter
  LPTMR0_CMR = LPTMR_CMR_COMPARE(cmp_value);  
  LPTMR0_CSR = LPTMR_CSR_TPS(0x1)|LPTMR_CSR_TMS_MASK|~LPTMR_CSR_TFC_MASK|~LPTMR_CSR_TIE_MASK|LPTMR_CSR_TCF_MASK;
  LPTMR0_CSR &= ~LPTMR_CSR_TEN_MASK;
  
  SIM_SCGC5 |= SIM_SCGC5_PORTA_MASK;
  PORTA_PCR19=PORT_PCR_MUX(0x6); //PTA19
}

龙少3

还可以

赵仁煊

赵仁煊

月光如水水如天

给我发个程序，我给你看一下

新手请指教

夫哂之

2da 发表于 2012-3-10 17:52
http://blog.sina.com.cn/s/blog_852d92f80100zljn.html

谢谢好人，要钱的都是坏人~~

lawguiren

樓主好人！