- #include "SmartM_M0.h"
- unsigned char i;
- VOID TMR1Init(VOID)
- {
- PROTECT_REG
- (
- APBCLK |= 0x08; //定时器1时钟使能
- CLKSEL1 |= 0x4000; //定时器1时钟选择外部高速晶振0X000，内部22为0X4000
- IPRSTC2 |= 0x40; //TIMER1先复位
- IPRSTC2 &= 0xFB; //定时器1正常工作
- TCSR1 &= 0x18FFFF00;//先清0
- TCSR1 |= 0x6C000000; //赋值：计数开始、使能定时器中断、周期模式、重置预分频值、
- TCMPR1 = 12000*50; //设置比较值 [0~16777215]
- NVIC_ISER |= 0x0200; //TMR0_INT;
- )
- }
- INT32 main(VOID)
- {
- // unsigned char i;
- PROTECT_REG
- (
- PWRCON |= XTL12M_EN;
- while((CLKSTATUS & XTL12M_STB) == 0);
-
- CLKSEL0 = (CLKSEL0 & (~HCLK)) | HCLK_12M;
-
- P2_PMD=0x5555;
- P2_DOUT = 0xff;
- )
- TMR1Init();
- while(1)
- {
- if(i>7)
- i= 0;
- }
- }
- VOID TMR1_IRQHandler(VOID)
- {
- TISR1 = 1;
- P2_DOUT = ~(1UL<<i);
- i++;
| 
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