用cc3200lp来学习。参考手册和例程写好ad采样程序时候发现数据为0,然后把fifo拿出来的值一步一步拆了看。fifo转换到12位值时和输入电压线性关系对的上,我想想应该没问题然后转换成浮点,一直输出0。,,,,。最后我把所有都的程序都屏蔽掉只留while(1) a=a+0.1;设断点看,a值一直不变,不管运行多少次。a=a+0.5却又能正常跑。难道运行最小分辨率是1/2??求解!
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请参考一下,看下面的链接对你有没有帮助:
http://processors.wiki.ti.com/index.php/CC32xx_ADC_Appnote