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68 lines
1.6 KiB
Python
68 lines
1.6 KiB
Python
# Allows setting ESL segments
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# 2019 furrtek - furrtek.org
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# See LICENSE
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import pr
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import tx
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import sys
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def usage():
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print("Usage:")
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print("setsegs.py port barcode bitmap\n")
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print(" port: serial port name (0 for ESL Blaster)")
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print(" barcode: 17-character barcode data, or 0")
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print(" bitmap: hex 23-byte segment on/off bitmap")
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exit()
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if len(sys.argv) != 4:
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usage()
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if len(sys.argv[3]) != 46:
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print("Segment bitmap must be exactly 46 digits")
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usage()
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port = sys.argv[1]
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pp16 = 0 # None of the segment-based ESLs tested support PP16
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# Search for connected ESL Blaster if required
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if (port == "0"):
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blaster_info = tx.search_esl_blaster()
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if blaster_info[0] == False:
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exit()
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# Get PLID from barcode string
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PLID = pr.get_plid(sys.argv[2])
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bitmap = bytearray.fromhex(sys.argv[3])
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frames = []
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# Update page command + data
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payload = [0xBA, 0x00, 0x00, 0x00]
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payload.extend(bitmap)
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# Segment bitmap has its own CRC16
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segcrc = pr.crc16(bitmap)
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payload.append(segcrc & 255)
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payload.append((segcrc // 256) & 255)
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# Page number, duration and some other unknown stuff
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payload.extend([0x00, 0x00, 0x09, 0x00, 0x10, 0x00, 0x31])
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frame = pr.make_raw_frame(0x84, PLID, payload[0])
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frame.extend(payload[1:])
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pr.terminate_frame(frame, pp16, 100)
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frames.append(frame)
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# DEBUG
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#f = open("out.txt", "w")
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#for fr in frames:
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# for b in fr:
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# f.write(format(b, '02X') + " ")
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# f.write("\n")
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#exit()
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# Send data to IR transmitter
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if (port == "0"):
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tx.transmit_esl_blaster(frames, pp16, blaster_info[0])
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else:
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tx.transmit_serial(frames, port)
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print("Done.")
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