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Found 2 results

  1. Hi Everyone! Any plans for a new version of LINX for the Raspberry Pi? Cheers, Andy.
  2. Hi, I would like to use Pmod DPOT: Digital Potentiometer with Raspberry Pi3. I have the following code: #!/usr/bin/python import spidev import time spi = spidev.SpiDev() spi.open(0, 0) spi.mode= 0b00 spi.max_speed_hz= 1000000 spi.bits_per_word= 8 #print spi.bits_per_word #print spi.mode spi.cshigh= False #print spi.cshigh #frame = bytearray(b'\xA5') frame = bytearray([0xF5]) try: while True: resp = spi.xfer2(frame) #print resp time.sleep(10) #end while except KeyboardInterrupt: spi.close() The code is very simple. The python module spidev documentation is here: http://tightdev.net/SpiDev_Doc.pdf Everything seems to be okay, as far as the oscilloscope shows: I can confirm data generates properly and the CPOL and CPHL are set to zero. The CS also sets to be active low, and it becomes high when there is no more bit to transfer. I was not able to confirm slew rate and jitters because I have an old 2-channel oscilloscope. However, I really think those are standards by the protocol itself, so I should not worry about them. Please let me know if you can help me with this issue. Thank you