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標題:
stm32利用dac輸出正弦波程序
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作者:
空空123
時間:
2021-4-18 16:11
標題:
stm32利用dac輸出正弦波程序
最近在做函數信號發生器,利用dac輸出一個正弦波,歡迎大家批評指正!
單片機源程序如下:
#include "sys.h"
#include "delay.h"
#include "usart1.h"
#include "usart2.h"
#include "usart3.h"
#include "dac1.h"
int main()
{
u64 xitong_haomiao_printf_old;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
delay_init();
USART1_Init(115200);
USART2_Init(115200);
USART3_Init(115200);
printf("串口1用printf,sys.c 設置...\r\n");
USART2_printf("USART1 OK...\r\n");
USART2_printf("USART2 OK...\r\n");
USART3_printf("USART3 OK...\r\n");
Dac1_Test();
while(1)
{
if(USART1_RX_STA&0x8000)
{
USART1_Send_Array(USART1_RX_BUF,(USART1_RX_STA&0x3fff));
USART1_printf("\r\n");
USART1_RX_STA=0;
}
if(USART2_RX_STA&0x8000)
{
USART2_Send_Array(USART2_RX_BUF,(USART2_RX_STA&0x3fff));
USART2_printf("\r\n");
USART2_RX_STA=0;
}
if(USART3_RX_STA&0x8000)
{
USART3_Send_Array(USART3_RX_BUF,(USART3_RX_STA&0x3fff));
USART3_printf("\r\n");
USART3_RX_STA=0;
}
if(xitong_haomiao-xitong_haomiao_printf_old>=1000)
{
xitong_haomiao_printf_old=xitong_haomiao;
printf("xitong_haomiao=%llu\r\n",xitong_haomiao);
USART2_printf("xitong_haomiao=%llu\r\n",xitong_haomiao);
}
}
}
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所有資料51hei提供下載:
dma dac 正弦波.7z
(185.98 KB, 下載次數: 39)
2021-4-18 17:12 上傳
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