def pvs_read():
    pytronics.spiSetSpeed(1000000)
    pytronics.pinMode('3', 'INPUT')
    pytronics.pinMode('5', 'OUTPUT')
    pytronics.digitalWrite('5', 'LOW')
    pytronics.digitalWrite('5', 'HIGH')
    start = time.time()
    while((time.time() < start + 1000) and (pytronics.digitalRead('4') == '1')):
        pass
    data = pytronics.spiRead(14)
    b = bitstring.BitArray(hex=binascii.hexlify(data))
    return ', '.join([str(5*float(chunk.int)/16384) for chunk in b.cut(14)])
def pvs_read():
    pytronics.spiSetSpeed(1000000)
    pytronics.pinMode("3", "INPUT")
    pytronics.pinMode("5", "OUTPUT")
    pytronics.digitalWrite("5", "LOW")
    pytronics.digitalWrite("5", "HIGH")
    start = time.time()
    while (time.time() < start + 1000) and (pytronics.digitalRead("4") == "1"):
        pass
    data = pytronics.spiRead(14)
    b = bitstring.BitArray(hex=binascii.hexlify(data))
    return ", ".join([str(5 * float(chunk.int) / 16384) for chunk in b.cut(14)])
Esempio n. 3
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def spi_read(channel):
    if str(channel) not in ['0', '1', '2', '3']:
        return "You seem to be trying to read from SPI channel {0}, which does not exist. Try 0, 1, 2, or 3.".format(channel)
    return pytronics.spiRead(channel)
Esempio n. 4
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def spi_read(channel):
    if str(channel) not in ['0', '1', '2', '3']:
        return "You seem to be trying to read from SPI channel {0}, which does not exist. Try 0, 1, 2, or 3.".format(
            channel)
    return pytronics.spiRead(channel)