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https://github.com/furrtek/PrecIR.git
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Furrtek
703673001f
USB/battery boot detection Battery charge detection VCP repeats field is now 16-bit Flash programming for IR remote data PWM for red LED Updated clock settings for 8MHz oscillator Added flashtest.py to program remote with default data
79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
# Procedures related to the IR transmitters only
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# 2019 furrtek - furrtek.org
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# See LICENSE
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import serial
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def search_esl_blaster():
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found = 0
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for n in range(1, 20):
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comport = "COM" + str(n)
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try:
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ser = serial.Serial(comport, 57600, timeout = 1) # 1s timeout for read
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ser.write("?".encode())
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ser.flush()
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test = len(ser.read_until("ESLBlaster"))
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ser.close()
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if (test == 10):
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print("Found ESL Blaster on " + comport)
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found = 1
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break
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except serial.SerialException:
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continue
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if (found == 0):
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print("Could not find ESL Blaster.")
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return "0"
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else:
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return comport
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def transmit_serial(frames, port):
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ser = serial.Serial(port, 57600, timeout = 5) # 5s timeout for read
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ser.reset_input_buffer()
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frame_count = len(frames)
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i = 1
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for fr in frames:
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data_size = len(fr) - 1
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repeats = fr[-2] + (fr[-1] * 256)
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if repeats > 255:
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repeats = 255
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print("Transmitting frame %u/%u, length %u, repeated %u times." % (i, frame_count, data_size, repeats))
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ba = bytearray()
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ba.append(data_size)
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ba.append(repeats)
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for b in range(0, len(fr) - 1):
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ba.append(fr[b])
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ser.write(ba)
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ser.flush()
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ser.read_until('A')
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i += 1
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ser.close()
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def transmit_esl_blaster(frames, port):
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ser = serial.Serial(port, 57600, timeout = 5) # 5s timeout for read
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ser.reset_input_buffer()
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frame_count = len(frames)
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i = 1
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for fr in frames:
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data_size = len(fr) - 2
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repeats = fr[-2] + (fr[-1] * 256)
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print("Transmitting frame %u/%u, length %u, repeated %u times." % (i, frame_count, data_size, repeats))
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ba = bytearray()
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ba.append('L')
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ba.append(data_size)
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ba.append(30) # 30*50 = 1500 timer ticks between repeats
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ba.append(repeats & 255)
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ba.append((repeats // 256) & 255)
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for b in range(0, len(fr) - 2):
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ba.append(fr[b])
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ba.append('T')
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ser.write(ba)
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ser.flush()
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ser.read_until('K')
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i += 1
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ser.close()
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