原创 共享一个PIC12F629调光程序

使用MPLIB自带的Hi-tech lite版c编译器编译。
不知道为何，Timer0定时中断总有问题，无法用作延时，只好采用实时延时方式，反正MCU也没别的事情好干。延时不是太精确，没仔细去调整。

欢迎老手拍砖！！！



/*
* 手电调光程序 for PIC12F629
* 6,7脚各控制一个7135, 4档调光顺序：单7135,双7135,单7135/10,单7135/2
* 在开启60ms到5秒之间关闭可以换档，5秒后锁定档位
*/
#include <htc.h>
#include <pic.h>
#define DEBUG
#define StepAddress 12
#define MaxStep 4
// 加溶丝配置
__CONFIG (INTIO & WDTDIS & PWRTEN & MCLRDIS & UNPROTECT & UNPROTECT & BOREN);
void dispLED (unsigned char);
void soft1msPWM (unsigned int);
unsigned char Step;
main ()
{
unsigned char newStep;
unsigned int i;
OSCCAL = _READ_OSCCAL_DATA();
CMCON = 7;   // 关闭比较器
TRISIO = 0x3F; // 先设置所有引脚为输入
IOCB = 0;  // 禁止引脚电平变化引起中断
WPU = 0;  // 禁止弱上拉
Step = EEPROM_READ (StepAddress);
if (Step >= MaxStep)
  Step = 0;
dispLED (Step);
soft1msPWM (60);
if ((newStep = Step + 1) >= MaxStep)
  newStep = 0;
#ifdef DEBUG
TRIS5 = 0;
GPIO5 = 1;
#endif
EEPROM_WRITE (StepAddress, newStep);

soft1msPWM (3000);
#ifdef DEBUG
GPIO5 = 0;
TRIS5 = 1;
#endif
EEPROM_WRITE (StepAddress, Step);
for (;;)
  soft1msPWM (100);
}
void dispLED (unsigned char step)
{
switch (step) {
  case 0:
  {
   TRISIO = (1 << 5) | (1 << 4) | (1 << 3) | (1 << 2) | (1 << 1);
   GPIO0 = 1;
   break;
  }
  case 1:
  {
   TRISIO = (1 << 5) | (1 << 4) | (1 << 3) | (1 << 2);
   GPIO0 = 1;
   GPIO1 = 1;
   break;
  }
  case 2:
  case 3:
  {
   TRISIO = (1 << 5) | (1 << 4) | (1 << 3) | (1 << 2) | (1 << 1);
   GPIO0 = 1;
   break; 
  }
  default:
   break;
}
}
void soft1msPWM (unsigned int loops)
{
unsigned char index;
unsigned char us100;
while (--loops) {
  for (index = 0; index < 10; index++) {
   if (Step == 2) {
    if (index == 0)
     GPIO0 = 1;
    else if (index == 2)
     GPIO0 = 0;
   } else if (Step == 3) {
    if (index == 0)
     GPIO0 = 1;
    else if (index == 5)
     GPIO0 = 0;
   } else {
    if (index == 0)
     GPIO0 = 1;
   }
   // 延时100us
   us100 = 100;
   while (--us100)
    ;
  }
}
}