A7105 decoder

a7105_decode.py

#!/usr/bin/env python

reg_map = {
0x00 : "00_MODE",
0x01 : "01_MODE_CONTROL",
0x02 : "02_CALC",
0x03 : "03_FIFOI",
0x04 : "04_FIFOII",
0x05 : "05_FIFO_DATA",
0x06 : "06_ID_DATA",
0x07 : "07_RC_OSC_I",
0x08 : "08_RC_OSC_II",
0x09 : "09_RC_OSC_III",
0x0A : "0A_CK0_PIN",
0x0B : "0B_GPIO1_PIN1",
0x0C : "0C_GPIO2_PIN_II",
0x0D : "0D_CLOCK",
0x0E : "0E_DATA_RATE",
0x0F : "0F_PLL_I",
0x10 : "10_PLL_II",
0x11 : "11_PLL_III",
0x12 : "12_PLL_IV",
0x13 : "13_PLL_V",
0x14 : "14_TX_I",
0x15 : "15_TX_II",
0x16 : "16_DELAY_I",
0x17 : "17_DELAY_II",
0x18 : "18_RX",
0x19 : "19_RX_GAIN_I",
0x1A : "1A_RX_GAIN_II",
0x1B : "1B_RX_GAIN_III",
0x1C : "1C_RX_GAIN_IV",
0x1D : "1D_RSSI_THOLD",
0x1E : "1E_ADC",
0x1F : "1F_CODE_I",
0x20 : "20_CODE_II",
0x21 : "21_CODE_III",
0x22 : "22_IF_CALIB_I",
0x23 : "23_IF_CALIB_II",
0x24 : "24_VCO_CURCAL",
0x25 : "25_VCO_SBCAL_I",
0x26 : "26_VCO_SBCAL_II",
0x27 : "27_BATTERY_DET",
0x28 : "28_TX_TEST",
0x29 : "29_RX_DEM_TEST_I",
0x2A : "2A_RX_DEM_TEST_I",
0x2B : "2B_CPC",
0x2C : "2C_XTAL_TEST",
0x2D : "2D_PLL_TEST",
0x2E : "2E_VCO_TEST_I",
0x2F : "2F_VCO_TEST_II",
0x30 : "30_IFAT",
0x31 : "31_RSCALE",
0x32 : "32_FILTER_TEST"
}

command_map = {
0x80 : "80_SLEEP",
0x90 : "90_IDLE",
0xA0 : "A0_STANDBY",
0xB0 : "B0_PLL",
0xC0 : "C0_RX",
0xD0 : "D0_TX",
0xE0 : "E0_RST_WRPTR",
0xF0 : "F0_RST_RDPTR"
}

def register_name(reg):
    def_name = "%02X" % reg
    return reg_map.get(reg, def_name)

def command_name(command):
    def_name = "%02X" % command
    return command_map.get(command, def_name)

def dump_command(packet_id, command, status, data):
  if packet_id == -1: return
  mnemonic = "UNKNOWN"
  if (command & 0xc0) == 0x40:
      mnemonic = "R_REGISTER(%s) " % register_name(command & ~0x40)
      mnemonic += " ".join(map(lambda x: "%02X" % x, data))
  elif (command & 0xc0) == 0:
      mnemonic = "W_REGISTER(%s) " % register_name(command)
      mnemonic += " ".join(map(lambda x: "%02X" % x, data))
  elif (command >= 0x80) and ((command & 0x0f) == 0) :
      mnemonic = "COMMAND(%s)" % command_name(command)

  print packet_id, mnemonic

def process_file(f):
    packet_id = -1
    # SPI exchange parameters
    command = -1
    status = -1
    data = []

    count = 0

    for line in f:
        line = line.strip()
        if len(line) == 0 or line[0] == '#': continue
        parts = line.split(',')
        if len(parts) != 4 or parts[1] == 'Packet ID' or parts[1] == '': continue
        if packet_id != int(parts[1]):
            dump_command(packet_id, command, status, data)
            command = int(parts[2], 16)
            status = int(parts[3], 16)
            packet_id = int(parts[1])
            data = []
        else:
            data.append(int(parts[2], 16))
            
    dump_command(packet_id, command, status, data)

def main(argv):
    for fn in argv:
        f = file(fn)
        process_file(f)

if __name__ == '__main__':
    import sys
    main(sys.argv[1:])