标题:
STM32-PIN48脚的STM32F100C8T6B芯片的DA功能
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作者:
andylee
时间:
2010-12-4 13:50
标题:
STM32-PIN48脚的STM32F100C8T6B芯片的DA功能
STM32-PIN48脚的STM32F100C8T6B芯片的DA功能，已经调试成功。
下面是代码：
RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
DAC_DeInit();
DAC_Cmd(DAC_Channel_1,ENABLE);
DAC_Cmd(DAC_Channel_2, ENABLE);
DAC_InitStructure.DAC_Trigger=DAC_Trigger_Software;//由软件触发
DAC_InitStructure.DAC_WaveGeneration=DAC_WaveGeneration_None;//关闭波形生成
DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude=DAC_TriangleAmplitude_4095;
DAC_InitStructure.DAC_OutputBuffer=DAC_OutputBuffer_Enable;//使能DAC通道缓存
/*
DAC_InitStructure.DAC_Trigger = DAC_Trigger_Software;
DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_Noise;
DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bits8_0;
DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
*/
DAC_Init(DAC_Channel_1, &DAC_InitStructure);
DAC_Init(DAC_Channel_2,&DAC_InitStructure);
/* Enable DAC Channel1 */
DAC_Cmd(DAC_Channel_1, ENABLE);
/* Enable DAC Channel2 */
DAC_Cmd(DAC_Channel_2, ENABLE);
//DAC_SetChannel2Data(DAC_Align_12b_R,0x7ff);//输出一半的基准电压
DAC_DualSoftwareTriggerCmd(ENABLE);//使能软件触发,更新DAC的值
大家可以参考。
针对的开发板类型如下图所示：
http://item.taobao.com/item.htm?id=7734619451
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2010-12-4 13:52
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http://bbs.hymcu.com/attachment.php?aid=623&k=9121b81f73cda789b587dc2fcefd2816&t=1714428473&sid=w213m3
作者:
模块化
时间:
2011-10-10 13:40
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图片附件: 1.JPG (2010-12-4 13:52, 21.27 KB) / 下载次数 237
