I want to communicate spi with pigpio library, but I'm stuck on the simplest thing. I want to read BMI 160 chip id. The code I wrote is below. Before I run the program, I run pigpiod, there is no problem with my connections. import pigpio import time pi=pigpio.pi() h=pi.spi_open(0,50000,0) # chip id register adress=0x00 # read register adress msb bit 1 0x80 (xx,data)=pi.spi_xref(h,[0x00 | 0x80 ]) print(data) # not print data=0xD1 ,print data =0xff
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