#include
#include "LCD.h"
#define BEEP(x) (x?(P1OUT&=~BIT2):(P1OUT|=BIT2))
//Led
#define LED_Init (P1DIR|=BIT2+BIT3+BIT5+BIT6)//初始化
#define LED_G(x) (x?(P1OUT&=~BIT3):(P1OUT|=BIT3))//红色灯
#define LED_B(x) (x?(P1OUT&=~BIT5):(P1OUT|=BIT5))//红色灯
#define LED_R(x) (x?(P1OUT&=~BIT6):(P1OUT|=BIT6))//红色灯
#define POW_R(x) (x?(P1OUT&=~BIT4):(P1OUT|=BIT4))//红色灯
#define Num_of_Results 8
/* Arrays to store SD16 conversion results */
/* NOTE: arrays need to be global to */
/* prevent removal by compiler */
//static unsigned int results[Num_of_Results];
static unsigned int results;
int main(void)
{
volatile unsigned int i; // Use volatile to prevent removal
// by compiler optimization
WDTCTL = WDTPW + WDTHOLD; // Stop WDT
FLL_CTL0 |= XCAP14PF; // Configure load caps
for (i = 0; i < 10000; i++); // Delay for 32 kHz crystal to
// stabilize
LCD_Init();
// for (i = 0; i < 0x3600; i++); // Delay for 1.2V ref startup
P1DIR|=BIT4+BIT7;
P1OUT&=~(BIT4);
// P1OUT|=(BIT4);
P1OUT|=BIT7;
LED_Init;
BEEP(0);
LED_R(0);
LED_G(1);
LED_B(0);
SD16CTL = SD16REFON+SD16SSEL0; // 1.2V ref, SMCLK
SD16INCTL0 |= SD16INCH_0 + SD16INTDLY0; // Interrupt on 3rd sample
SD16CCTL0 |= SD16IE ; // Enable interrupt
for (i = 0; i < 0x3600; i++); // Delay for 1.2V ref startup
_EINT(); // Enable general interrupts
SD16CCTL0 |= SD16SC; // Set bit to start conversion
_BIS_SR(LPM0_bits); // Enter LPM0
}
#pragma vector=SD16_VECTOR
__interrupt void SD16ISR(void)
{
static unsigned int index = 0;
switch (SD16IV)
{
case 2: // SD16MEM Overflow
break;
case 4: // SD16MEM0 IFG
results= SD16MEM0; // Save CH0 results (clears IFG)，set break point here
break;
case 6: // SD16MEM1 IFG
break;
case 8: // SD16MEM2 IFG
break;
}
}
单步运行的结果是SD16MEM0的值在乱跳 ，外部已经加有一个稳定的电压测试点 大概是200mv
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