stm32 use of DAC HAL library

Set in cubemx in.

 

 

Default.

Add the code in main.

HAL_DAC_SetValue(&hdac, DAC_CHANNEL_2, DAC_ALIGN_12B_R, 2048);
在main()函数中添加程序设置DAC输出的数据为12位右对齐,数值为2048.则实际输出的电压为
2048/4096x3.3V=1.65V,使能ADC通道2开始转换。
Then turn dac.
    HAL_DAC_Start(&hdac, DAC_CHANNEL_2);

It can be.

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Origin www.cnblogs.com/zjx123/p/12038164.html