#!/usr/bin/env python import binascii import pprint import sys def app_info(help_flag): """ Display information """ VER = "0.0.2" USAGE = f"Usage: python {sys.argv[0]} [-h | -v] | file_name]" CONTACT = "questions/feedback -> ognyan@endurosat.com" HELP = """ ============================= Parse PHOENIX Mode UHF Beacon ============================= Parses PHOENIX Mode [RAW HEX] AX25 packets. -h Help, shows this text -v Version, shows the version file_name The .bin/.txt file name of beacon data in the same dir. {} NOTE: Output is a dict. ----------------------------- {} """.format(USAGE, CONTACT) if help_flag == True: return HELP else: return VER def format_temp(temp_val): """ Format temperature values depending on sign. """ if temp_val < 32768: formatted_temp_val = temp_val * 0.00390625 else: formatted_temp_val = (((temp_val >> 4) - 1) ^ 0xFFF) * (-0.0625) return formatted_temp_val def impl_struct(frame): """ Implement beacon structure""" payload = frame[2] head = [int((payload[2] + payload[1]), 16)] v_batt = [int((payload[4] + payload[3]), 16)] i_batt = [int((payload[6] + payload[5]), 16)] v_bcr = [int((payload[8] + payload[7]), 16)] i_bcr = [int((payload[10] + payload[9]), 16)] v_x = [int((payload[12] + payload[11]), 16)] i_xm = [int((payload[14] + payload[13]), 16)] i_xp = [int((payload[16] + payload[15]), 16)] v_y = [int((payload[18] + payload[17]), 16)] i_ym = [int((payload[20] + payload[19]), 16)] i_yp = [int((payload[22] + payload[21]), 16)] v_z = [int((payload[24] + payload[23]), 16)] i_zm = [int((payload[26] + payload[25]), 16)] i_zp = [int((payload[28] + payload[27]), 16)] i_3V3 = [int((payload[30] + payload[29]), 16)] i_5V = [int((payload[32] + payload[31]), 16)] t_mcu = [int((payload[34] + payload[33]), 16)] t_batt1 = [int((payload[36] + payload[35]), 16)] t_batt2 = [int((payload[38] + payload[37]), 16)] t_batt3 = [int((payload[40] + payload[39]), 16)] t_batt4 = [int((payload[42] + payload[41]), 16)] cnd_input = [int((payload[44] + payload[43]), 16)] cnd_output1 = [int((payload[46] + payload[45]), 16)] cnd_output2 = [int((payload[48] + payload[47]), 16)] por_cycles = [int((payload[52] + payload[51]), 16)] v_under = [int((payload[54] + payload[53]), 16)] v_short = [int((payload[56] + payload[55]), 16)] v_overtemp = [int((payload[58] + payload[57]), 16)] t_max1 = [int((payload[60] + payload[59]), 16)] t_min1 = [int((payload[62] + payload[61]), 16)] def1 = [int((payload[64] + payload[63]), 16)] r_batt = [int((payload[66] + payload[65]), 16)] v_ideal_batt = [int((payload[68] + payload[67]), 16)] UHFAnt = [(payload[72] + payload[71] + payload[70] + payload[69])] scw = [int((payload[74] + payload[73]), 16)] def2 = [int(payload[65],16)] # Identifiers CONOPS_MODE_PHOENIX = int("0xa1c9", 16) # CONOPS CONOPS_MODE_OTHER = int("0xe7a9", 16) # CONOPS ANTENNA_REGISTERS_OFF = "deafbeef" # ANTENNA # Units units = { "miliV" : "[mV]", "volt" : "[V]", "amp" : "[A]", "miliamp" : "[mA]", "centigrade" : "[°C]", "ohm" : "[Ω]", } frame_struct = { "ConOps magic num ID : " : ["OP MODE: {PHOENIX}" if head[0] == CONOPS_MODE_PHOENIX else "Other"], "EPS I Battery Voltage : " : [float(v_batt[0] * 0.0023394775), units["volt"]], "EPS I Battery Current : " : [float(i_batt[0] * 3.0517578), units["miliamp"]], "BCR Voltage : " : [float(v_bcr[0] * 0.0023394775), units["volt"]], "BCR Current : " : [float(i_bcr[0] * 1.5258789), units["miliamp"]], "SOL PAN X V : " : [float(v_x[0] * 0.0024414063), units["volt"]], "SOL PAN X- Current : " : [float(i_xm[0] * 0.6103516), units["miliamp"]], "SOL PAN X+ Current : " : [float(i_xp[0] * 0.6103516), units["miliamp"]], "SOL PAN Y V : " : [float(v_y[0] * 0.0024414063), units["volt"]], "SOL PAN Y- Current : " : [float(i_ym[0] * 0.6103516), units["miliamp"]], "SOL PAN Y+ Current : " : [float(i_yp[0] * 0.6103516), units["miliamp"]], "SOL PAN Z V : " : [float(v_z[0] * 0.0024414063), units["volt"]], "SOL PAN Z- Current : " : [float(i_zm[0] * 0.6103516), units["miliamp"]], "SOL PAN Z+ Current : " : [float(i_zp[0] * 0.6103516), units["miliamp"]], "3.3V Bus Current : " : [float(i_3V3[0] * 2.0345052), units["miliamp"]], "5V Bus Current : " : [float(i_5V[0] * 2.0345052), units["miliamp"]], "MCU Temperature : " : [float(((t_mcu[0] * 0.0006103516) - 0.986 ) / 0.00355), units["centigrade"]], "Battery Cell 1 Temp : " : [float(format_temp(t_batt1[0])), units["centigrade"]], "Battery Cell 2 Temp : " : [float(format_temp(t_batt2[0])), units["centigrade"]], "Input Condition : " : [hex(cnd_input[0])], "Output Conditions 1 : " : [hex(cnd_output1[0])], "Output Conditions 2 : " : [hex(cnd_output2[0])], "Power ON Cycle Counter : " : [por_cycles[0]], "Under Voltage Cond Counter : " : [hex(v_under[0])], "Short Circuit Cond Counter : " : [hex(v_short[0])], "Over Temp Cond Counter : " : [hex(v_overtemp[0])], "Battpack1 temp sensor 1 max temp: " : [float(format_temp(t_max1[0])), units["centigrade"]], "Battpack1 temp sensor 1 min temp: " : [float(format_temp(t_min1[0])), units["centigrade"]], "Default Vals LUPs & fastcharge : " : [hex(def1[0])], "Default Vals OUTs 1:6 : " : [hex(def2[0])], "Battery Internal Resistance : " : [float(r_batt[0] * 1.4972656), units["ohm"]], "Battery Ideal Voltage : " : [float(v_ideal_batt[0] * 0.0023394775), units["volt"]], "UHF Antenna Registers : " : [("ANTENNA - 0x{}".format(str(UHFAnt[0]).upper())) if UHFAnt[0] == ANTENNA_REGISTERS_OFF else ("ANTENNA: {CONNECTED - DEPLOYED} - 0x" + str(UHFAnt[0]))], "UHF Status Control Word : " : [hex(scw[0])], } print("\n") try: pprint.pprint(frame_struct, sort_dicts=False) except KeyboardInterrupt: pass return 0 def format_frame(input_file): """ Preliminary formatting of beacon frame """ with open(input_file, 'rb') as f: # Store Frame frame = f.read() frame_stripped = frame.strip() separate_chunks = [num for num in frame_stripped] frame_string = binascii.hexlify(data = frame_stripped).decode('ascii') frame_array = [] header_bytes = [] size_bytes = [] payload_bytes = [] for i,j in zip(frame_string[::2], frame_string[1::2]): frame_array.append(i + j) # Header Bytes header_bytes = frame_array[0] # Size Bytes size_bytes = frame_array[1] # Payload Bytes payload_bytes = frame_array[1:len(frame_array)] payload_bytes_visual = payload_bytes.copy() # Print additional frame information #print("\nEntire frame: {}".format(frame_array)) #print("\nHeader bytes: {}".format(header_bytes)) #print("\nSize Bytes: {}(hex) | {}(int)".format(hex(int(size_bytes,16)), int(size_bytes, 16))) #print("\nPayload Bytes: {}".format(payload_bytes_visual)) frame_parts = [header_bytes, size_bytes, payload_bytes] return frame_parts def main(): opts = [opt for opt in sys.argv[0:] if opt.startswith("-")] args = [arg for arg in sys.argv[0:] if not arg.startswith("-")] if '-h' in opts: help_flag = True print(app_info(help_flag)) elif '' in args: help_flag = True print(app_info(help_flag)) elif '-v' in opts: help_flag = False VER = app_info(help_flag) print("Version: ", VER) else: if len(args) == 1: help_flag = True print(app_info(help_flag)) #continue; elif ".txt" in args[1] or ".bin" in args[1]: frame = format_frame(args[1]) impl_struct(frame) if __name__ == '__main__': main()