Added decoder scripts

decoder/logdecoder_memory.py

@@ -0,0 +1,129 @@
+
+
+#typedef struct {
+#	uint16_t year;
+#	uint8_t month;
+#	uint8_t day;
+#	uint8_t hour;
+#	uint8_t minute;
+#	uint8_t second;
+#	uint16_t millisecond;
+#} ptime_t;
+
+#typedef struct {
+#	uint32_t id;			// Serial ID
+#	ptime_t time;			// GPS time
+#
+#	// GPS
+#	bool gps_lock;			// True = on last try GPS has been locked
+#	int32_t gps_lat;		// Latitude in *10^7
+#	int32_t gps_lon;		// Longitude in *10^7
+#	int32_t gps_alt;		// Altitude in meter
+#	uint8_t gps_sats;		// Satellites used for solution
+#	uint8_t gps_ttff;		// Time to first fix in seconds
+#
+#	// Voltage and current measurement
+#	uint16_t adc_vsol;		// Current solar voltage in mV
+#	uint16_t adc_vbat;		// Current battery voltage in mV
+#	uint16_t adc_vusb;		// Current USB voltage in mV
+#	int16_t adc_pbat;		// Average battery current (since last track point)
+#	int16_t adc_isol;		// Current solar shot current
+#
+#	// BME280 (on board)
+#	uint32_t air_press;		// Airpressure in Pa*10 (in 0.1Pa)
+#	uint16_t air_hum;		// Rel. humidity in %*10 (in 0.1%)
+#	int16_t air_temp;		// Temperature in degC*100 (in 0.01C)
+#} trackPoint_t;
+
+class TrackPoint:
+	def __init__(self, d):
+		self.id          = ord(d[0]) + ord(d[1])*0x100 + ord(d[2])*0x10000 + ord(d[3])*0x1000000
+
+		self.year        = ord(d[4]) + ord(d[5])*0x100
+		self.month       = ord(d[6])
+		self.day         = ord(d[7])
+		self.hour        = ord(d[8])
+		self.minute      = ord(d[9])
+		self.second      = ord(d[10])
+		self.millisecond = ord(d[11]) + ord(d[12])*0x100
+		# 13 always 0
+		self.gps_lock    = ord(d[14])
+		# 15 always 0
+		self.gps_lat     = (ord(d[16]) + ord(d[17])*0x100 + ord(d[18])*0x10000 + ord(d[19])*0x1000000) / 10000000.0
+		self.gps_lon     = (ord(d[20]) + ord(d[21])*0x100 + ord(d[22])*0x10000 + ord(d[23])*0x1000000) / 10000000.0
+		self.gps_alt     = ord(d[24]) + ord(d[25])*0x100 + ord(d[26])*0x10000 + ord(d[27])*0x1000000
+		self.gps_sats    = ord(d[28])
+		self.gps_ttff    = ord(d[29])
+
+		self.vsol        = ord(d[30]) + ord(d[31])*0x100
+		self.vbat        = ord(d[32]) + ord(d[33])*0x100
+		self.vusb        = ord(d[34]) + ord(d[35])*0x100
+		self.pbat        = ord(d[36]) + ord(d[37])*0x100
+		self.isol        = ord(d[38]) + ord(d[39])*0x100
+
+		self.air_press   = ord(d[40]) + ord(d[41])*0x100 + ord(d[42])*0x10000 + ord(d[43])*0x1000000
+		self.air_hum     = ord(d[44]) + ord(d[45])*0x100
+		self.air_temp    = ord(d[46]) + ord(d[47])*0x100
+
+		if self.gps_lat > 0x7FFFFFFF: self.gps_lat -= 0x100000000
+		if self.gps_lon > 0x7FFFFFFF: self.gps_lon -= 0x100000000
+		if self.pbat > 0x7FFF: self.pbat -= 0x10000
+		if self.air_temp > 0x7FFF: self.air_temp -= 0x10000
+		self.air_temp /= 100.0
+
+		self.hex = '0x'
+		for i in range(len(d)):
+			self.hex += ('0' if ord(d[i])<16 else '') + hex(ord(d[i]))[2:]
+
+
+
+with open('log.bin', 'rb') as f:
+	while True:
+		d = f.read(48)
+		
+		if len(d) != 48:
+			break
+
+		tp = TrackPoint(d)
+
+		if tp.id != 0xFFFFFFFF:
+
+			print(
+				"%d,%d-%02d-%02d,%02d:%02d:%02d:%04d,%d,%.5f,%.5f,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%.2f" %
+				(tp.id,tp.year,tp.month,tp.day,tp.hour,tp.minute,tp.second,tp.millisecond,tp.gps_lock,tp.gps_lat,tp.gps_lon,
+				tp.gps_alt,tp.gps_sats,tp.gps_ttff,tp.vbat,tp.vsol,tp.vusb,tp.pbat,tp.isol,tp.air_press,tp.air_hum,tp.air_temp)
+			)
+
+
+
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+

decoder/logdecoder_radio.py

@@ -0,0 +1,27 @@
+#!/usr/bin/python
+
+import base91
+
+b91 = 'x5~Wh("vG"[[#9Bct5vW{oiZR|54uWs%!M3}tZ6y)=}#tDoSe+i9!+NWHH1[!eg@GLRDIo~%u;{(bCEU9H3|+v@AKy^Bm~`LSAv5*&EW{xI"[[)yg_WXCt{oiZR|AzXLs%_lAH@k6y(ggzbsOON/i9!+NWiGA'
+dec = base91.decode(b91)
+
+f = open('log.txt','wb')
+f.write(dec)
+f.close()
+
+for i in range(16):
+	tim = dec[8*i+0] + 256 * dec[8*i+1]
+	lat = dec[8*i+2] + 256 * dec[8*i+3]
+	lon = dec[8*i+4] + 256 * dec[8*i+5]
+	alt = dec[8*i+6] + 256 * dec[8*i+7]
+
+	month = tim / 4464
+	day = (tim-month*4464) / 144
+	hour = (tim-month*4464-day*144) / 6
+	minute = tim-month*4464-day*144-hour*6
+
+	lat = (float(lat*180)/65535)-90
+	lon = (float(lon*360)/65535)-180
+
+	print '%02d.%02d. %02d:%02d lat=%.3f, lon=%.3f alt=%d' % (day+1,month+1,hour,minute,lat,lon,alt)
+