[SIZE=3][SIZE=5][COLOR=#F709F7]#include <msp430x44x.h>
#define REFVOL 2.5 //参考电压2.5V
unsigned char adc_Flag;
unsigned int result[6][100];
unsigned char RXDATA_BUF[10];
unsigned int RX_count=0;
unsigned char temp;
/******************初始化AD*******************/
void init_ADC12(void)
{
ADC12CTL0 = ADC12ON + REFON + REF2_5V +SHT0_6+MSC;
ADC12CTL1 = SHS_0 + SHP + CONSEQ_3;
ADC12MCTL0 = INCH_0 + SREF_1; //通道0,单片机P6.0口
ADC12MCTL1 = INCH_1 + SREF_1; //通道1,单片机P6.1口
ADC12MCTL2 = INCH_2 + SREF_1; //通道2,单片机P6.2口
ADC12MCTL3 = INCH_3 + SREF_1; //通道3,单片机P6.3口
ADC12MCTL4 = INCH_4 + SREF_1; //通道4,单片机P6.4口
ADC12MCTL5 = INCH_10 + SREF_1 + EOS;//内部温度传感
ADC12CTL1 &= 0x0fff; //设置起始采样通道
ADC12CTL0 |= ENC; //使能转换；
}
/******************启动AD*******************/
void start_ADC12()
{
ADC12IE = 0x0020; //使能中断；
ADC12CTL0 |= ADC12SC; //开始采样
adc_Flag = 0;
}
/******************中断向量*******************/
#pragma vector = ADC_VECTOR
__interrupt void ADC_Interrupt(void)
{
switch(ADC12IFG)
{
case 0x003F:
{
result[0][temp] = ADC12MEM0;
result[1][temp] = ADC12MEM1;
result[2][temp] = ADC12MEM2;
result[3][temp] = ADC12MEM3;
result[4][temp] = ADC12MEM4;
result[5][temp] = ADC12MEM5;
temp++;
if(temp>100 || temp==100)
{
temp = 0;
adc_Flag = 1;
ADC12IE &= 0xffdf;
}
}
break;
default:
break;
}
}
/******************数据格式转换****/
void format_Data(void)
{
unsigned char i,j,k;
for(i=0; i<5; i++)
{
for(j=0; j<100; j++)
{
result[i][j] = (int)(((REFVOL * result[i][j]) / 4096) * 1000); //计算出来的为采样端口电压的值的1000倍
}
}
for(k=0; k<100; k++)
{
result[5][k] = (int)(((REFVOL * result[5][j]) / 4096 - 0.986) / 0.00355); //计算出来的为通道10的温度值
}
}
/******************初始化串口*******************/
void init_uart(void)
{
unsigned int i;
FLL_CTL1 |= XT2OFF + SELM_XT2 + SELS;
//选择MCLK时钟源
do //等待时钟稳定
{
IFG1 &= ~OFIFG;
for(i=0; i<0xff; i++);
}while((FLL_CTL0 & XT2OF) == XT2OF);
UCTL0 |= SWRST; //控制寄存器位
UCTL0 |= CHAR;
UTCTL0 = SSEL0+SSEL1; //选择发送时钟源复位
UBR00 = 0XA0; //波特率9600
UBR10 = 0X01;
UMCTL0 = 0X5E;
UCTL0 &= ~SWRST; //选择发送时钟源置位
ME1 |= URXE0 + UTXE0; //使能发送,接收功能
IE1 |= URXIE0 + UTXIE0; //使能发送,接收中断
IFG1 = 0X00; //清标志位
P2SEL |= 0X30; //模块选用P2.4,5作为串口线
P2DIR |= 0X10; //输出方向
}
/*---------------------------------------------------------*/
void uart_start(void) //启动发送
{
IE1 |= UTXIE0;
while((UTCTL0&BIT0)!=BIT0);
TXBUF0 = ' ';
}
/*----------------------------------------------------------*/
void uart_receive(void) //接收
{
RXDATA_BUF[RX_count]=RXBUF0;
RX_count++;
}
/*-----------------------------------------------------------*/
void uart_send(void) //发送
{
unsigned char i,j;
unsigned char temp1;
for(i=0; i<5; i++)
{
for(j=0; j<100; j++)
{
temp1 = result[i][j] >> 8;
TXBUF0 = temp1;
TXBUF0 = result[i][j];
}
}
IE1 &= 0x7f;
}
#pragma vector=USART0RX_VECTOR //接收中断
__interrupt void UART0_RX_ISR()
{
uart_receive();
}
#pragma vector=USART0TX_VECTOR //发送中断
__interrupt void UART0_TX_ISR()
{
uart_send();
}
/********************main*************************/
void main(void)
{
WDTCTL = WDTHOLD + WDTPW;
init_ADC12();
init_uart();
_EINT();
while(1)
{
start_ADC12();
while(adc_Flag == 0);
format_Data();
uart_start();
}
程序在单步调试的时候串口传输正确，但是全速运行的时候数据就不对了，理论上串口产生一次中断将会执行uart_send，但是全速运行的时候，没传输几个字节后就会跳到uart_start处，能给分析一下为什么吗？谢谢[EM10]
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