今天上午到的LDC1000模块
0x23是LDC1000_CMD_FREQCTRLSB的地址,我拿一枚硬币匀速缓慢的移动(相对于LDC1000由远到近,再由近到远),数据如下图所示。
大致猜测可能原因:1、SPI不通(暂时排除,因为0x23的寄存器数据相对是线性的)。2、RPmin和RPmax的值不适当。3、所给的时钟信号不稳定(我用示波器打出来的时钟信号为8MHz,但是波形有点失真(PWM波不是严格方波))
调试了大半天,感觉很苦恼,求解答。在此感激不尽!!!
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