这是主函数的代码 LSrKi$
int main(void) p$}/~5b}4
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u16 i=0; jAdZS\?w
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float pro;//½ø¶È V8rS~'{\
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Stm32_Clock_Init(336,8,2,7);//ÉèÖÃʱÖÓ,168Mhz P)O:lYX
delay_init(168); //ÑÓʱ³õʼ»¯ u\(>a
uart_init(84,9600); //³õʼ»¯´®¿Ú²¨ÌØÂÊΪ115200 <;*w97n
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MYDMA_Config(DMA2_Stream4,0,(u32)&ADC1->DR,(u32)SendBuff,SEND_BUF_SIZE);//DMA2,STEAM7,CH4,ÍâÉèΪ´®¿Ú1,´æ´¢Æ÷ΪSendBuff,³¤¶ÈΪ:SEND_BUF_SIZE. 1&RB=7.h
Adc_Init(); S3s6
ADC1->CR2 |=1<<8; //DMAÖÐ¶Ï M'VJE|+t
ADC1->CR2 |=1<<9; //DMA ÇëÇó·¢³ö *i {e$Zv'
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while(1) C]&/k_k
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if(DMA2->HISR&(1<<5)) //µÈ´ýDMA2_Steam4´«ÊäÍê³É &g~NkJc0c
{ KQ^|prN?y
DMA2->HIFCR|=1<<5; //Çå³ýDMA2_Steam4´«ÊäÍê³É±êÖ¾ n~ZZX={a
rv c%[HfW;
} 49ehj1Se
pro=DMA2_Stream4->NDTR; //µÃµ½µ±Ç°»¹Ê£Óà¶àÉÙ¸öÊý¾Ý [X7gP4
printf("pro=%5.2f\n",pro); A
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printf("analong=%d\n",SendBuff); -O\fy!
i++; ~UHjc0
if(i==2) i=0; Dutc#?bT
printf("i=%d\n",i); @hwNM#>`
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} Vjd(Z
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这里主要还用了DMA中断的方式采集数据 Wt.['`c<
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