95 lines
2.7 KiB
Python
95 lines
2.7 KiB
Python
import serial
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import time
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import logging as log
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def write_to_serial_read_respone(port, cmd, timeout = 2):
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# Initialize serial connection
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ser = serial.Serial(timeout = timeout)
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ser.port = port
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ser.baudrate = 115200
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ser.bytesize = serial.EIGHTBITS
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ser.parity = serial.PARITY_NONE
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ser.stopbits = serial.STOPBITS_ONE
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try:
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# Try to open the serial connection
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#if not ser.is_open:
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ser.open()
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# Send string to serial port and get response
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command = f"{cmd.strip()}\r\n"
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ser.write(command.encode())
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time.sleep(1) # wait a bit for response
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readlines = []
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for _ in range(20):
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line = ser.readline().decode('utf-8').strip()
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if not line:
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ser.close()
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break
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else:
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readlines.append(line)
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except serial.SerialException as e:
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print(f"Error communicating with serial port: {e}")
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finally:
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# Close serial connection before returning
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if ser.is_open:
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ser.close()
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return readlines
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def gen_broadcast_config_cmd(serial_port, preset, broadcast_config: dict):
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"""
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Writes broadcaster configuration to the given serial port.
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Args:
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serial_port (str): Device path of the serial port (e.g., '/dev/ttyACM0')
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preset (str): Preset string used in nac preset line
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broadcast_names (list): List of names for each broadcast group
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"""
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cmds = []
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with serial.Serial(serial_port, 115200) as ser:
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ser.write(f"nac stop".encode() + b'\r\n')
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ser.write(f"nac clear".encode() + b'\r\n')
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time.sleep(.5)
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for ch, d in enumerate(broadcast_config.items()):
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broadcast_name, file_name = d
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left_channel_file = file_name
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cmds.append(f"nac preset {preset} {ch}")
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cmds.append(f"nac broadcast_name {broadcast_name} {ch}")
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cmds.append(f"nac file select_play_once {left_channel_file} {ch} 0 0")
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cmds.append(f"nac num_bises 1 {ch} 0")
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#cmds.append(f"nac immediate 1 {ch} 0")
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cmds.append(f"nac start")
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return cmds
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def broadcaster_config():
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serial_port = "/dev/ttyACM0"
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broadcast_config = {
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"broadcast1": "left24kHz_48kbps.lc3",
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"broadcast2": "right-channel_24kHz_left_48kbps_10ms.lc3"
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}
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#write_config_to_tty(serial_port, "24_2_1", broadcast_config)
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# Example usage:
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cmds = gen_broadcast_config_cmd(serial_port, "24_2_1", broadcast_config)
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for cmd in cmds:
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ret = write_to_serial_read_respone(serial_port, cmd, timeout=0.1)
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log.info("\n".join(ret))
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ret = write_to_serial_read_respone(serial_port, "nac show", timeout=0.1)
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ret_str = "\n".join(ret)
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log.info(ret_str)
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return ret_str
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