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- msg = 0b11
- msg = ((msg << 1) + adc_ch) << 5
- msg = [msg, 0b00000000]
- reply = spi.xfer2(msg)
- adc = 0
- for n in reply:
- adc = (adc << 8) + n
- adc = adc >> 1
- voltage = (vref * adc) / 1024
- return voltage
- msg = 0b11
- msg = ((msg << 1) + adc1) << 5
- msg = [msg, 0b00000000]
- reply = spi1.xfer2(msg)
- adc = 0
- for n in reply:
- adc = (adc << 8) + n
- adc = adc >> 1
- voltage1 = (vref * adc) / 1024
- return voltage1
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