通过I2C去读触摸屏的坐标值出现这个怎么办啊?
不停的打印这句话
msg ft5x06_i2c_rxdata i2c read error: -121
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你好 我检查了i2c通讯是有问题的,断电重启后i2c总线上未挂载触摸屏i2c从设备(0x5d),只有重新插拔后才会挂载i2c从设备,地址为0x5d,正好我的触摸屏也是重新断电后就不能正常工作,只有重新插拔一次后才能正常工作,这是个啥问题? 硬件出了问题么?