本人想用stm32的DAC输出固定电压值，，有人之前调

Question

如题所述

Answer 1

GPIO_SetBits(GPIOA,GPIO_Pin_4);//这一句没用DAC_InitStruct.DAC_Trigger=DAC_Trigger_Software;//触发方式改为软件触发DAC_SetChannel1Data(DAC_Align_12b_R,temp);//这句后再跟一句DAC_SoftwareTriggerCmd(DAC_Channel_1,ENABLE)