96712子板无法出画面:


附件是 驱动和logcat信息
96712子板无法出画面:


附件是 驱动和logcat信息
你好:
从log看,是deserializer I2C报错,请问该子板之前有运行过,如果之前没问题,还是检查一下子板是否异常了,可以换个子板试试
echo 309 > /sys/class/gpio/export
echo low > /sys/class/gpio/gpio453/direction
echo low > /sys/class/gpio/gpio309/direction
echo high > /sys/class/gpio/gpio453/direction
echo high > /sys/class/gpio/gpio309/direction
echo 453 > /sys/class/gpio/unexport
echo 309 > /sys/class/gpio/unexport
这是RX0上上电方式,请确认子板插在RX0上;
您好

确实是i2c不通呢,换个子板试试
echo 309 > /sys/class/gpio/export
echo low > /sys/class/gpio/gpio453/direction
echo low > /sys/class/gpio/gpio309/direction
echo high > /sys/class/gpio/gpio453/direction
echo high > /sys/class/gpio/gpio309/direction
echo 453 > /sys/class/gpio/unexport
echo 309 > /sys/class/gpio/unexport
这是RX0上上电方式,请确认子板插在RX0上;
需要手动操作下,也可将命令写到执行脚本中去,或者写到init rc中