SPI功能

i2C-6ULX-B位置 信号名 i2S-6UB Pinout Pinmux
J4.35 SCLK CSI_DATA04 ECSPI1_SCLK
J4.36 CS0 CSI_DATA05 ECSPI1_SS0
J4.37 MOSI CSI_DATA06 ECSPI1_MOSI
J4.38 MISO CSI_DATA07 ECSPI1_MISO

# ./spidev_test -D /dev/spidevB.C
spi mode: 0
bits per word: 8
max speed: 500000 Hz (500 KHz)

02 E0 00 00 00 00 
00 00 02 E0 02 E0 
02 E0 00 00 00 00 
00 00 00 00 00 00 
00 00 00 00 00 00 
00 00 00 00 00 00 
00 00