Sarah Marsh / C027_Support

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Fork of C027_Support by NetworkSocketAPI

GPS.h@4:c959dd4c5fe8, 2013-10-25 (annotated)

Committer:
mazgch
Date:
Fri Oct 25 17:50:17 2013 +0000
Revision:
4:c959dd4c5fe8
Parent:
3:c7cd4887560d
Child:
9:e7a5959ffae1
small fix

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mazgch 1:f41579f4e2ed 1 #pragma once
mazgch 1:f41579f4e2ed 2
mazgch 2:b6012cd91657 3 #include "mbed.h"
mazgch 2:b6012cd91657 4 #include "Pipe.h"
mazgch 1:f41579f4e2ed 5 #include "SerialPipe.h"
mazgch 2:b6012cd91657 6 #include "C027_PinNames.h"
mazgch 2:b6012cd91657 7
mazgch 2:b6012cd91657 8 class GPSParser
mazgch 2:b6012cd91657 9 {
mazgch 2:b6012cd91657 10 public:
mazgch 2:b6012cd91657 11 #define WAIT -1
mazgch 2:b6012cd91657 12 #define NOT_FOUND 0
mazgch 2:b6012cd91657 13
mazgch 2:b6012cd91657 14 #define UBX 0x100000
mazgch 2:b6012cd91657 15 #define NMEA 0x200000
mazgch 2:b6012cd91657 16 #define LENGTH(x) (x & 0x00FFFF)
mazgch 2:b6012cd91657 17 #define PROTOCOL(x) (x & 0xFF0000)
mazgch 1:f41579f4e2ed 18
mazgch 2:b6012cd91657 19 virtual int getMessage(char* buf, int len) = 0;
mazgch 4:c959dd4c5fe8 20 virtual int send(const char* buf, int len);
mazgch 4:c959dd4c5fe8 21 virtual int sendNmea(const char* buf, int len);
mazgch 4:c959dd4c5fe8 22 virtual int sendUbx(unsigned char cls, unsigned char id, const void* buf, int len);
mazgch 2:b6012cd91657 23
mazgch 2:b6012cd91657 24 static const char* findNmeaItemPos(int ix, const char* start, const char* end);
mazgch 2:b6012cd91657 25 static bool getNmeaItem(int ix, char* buf, int len, double& val);
mazgch 2:b6012cd91657 26 static bool getNmeaItem(int ix, char* buf, int len, int& val, int base/*=10*/);
mazgch 2:b6012cd91657 27 static bool getNmeaItem(int ix, char* buf, int len, char& val);
mazgch 2:b6012cd91657 28 protected:
mazgch 2:b6012cd91657 29 static int _getMessage(Pipe<char>* pipe, char* buf, int len);
mazgch 2:b6012cd91657 30 static int _parseNmea(Pipe<char>* pipe, int len);
mazgch 2:b6012cd91657 31 static int _parseUbx(Pipe<char>* pipe, int len);
mazgch 4:c959dd4c5fe8 32 virtual int _send(const void* buf, int len) = 0;
mazgch 2:b6012cd91657 33 static const char toHex[16];
mazgch 2:b6012cd91657 34 };
mazgch 2:b6012cd91657 35
mazgch 2:b6012cd91657 36 class GPSSerial : public Serial, public GPSParser
mazgch 1:f41579f4e2ed 37 {
mazgch 1:f41579f4e2ed 38 public:
mazgch 2:b6012cd91657 39 GPSSerial(PinName tx = GPSTXD, PinName rx = GPSRXD, int baudrate = GPSBAUD);
mazgch 2:b6012cd91657 40 virtual ~GPSSerial(void);
mazgch 2:b6012cd91657 41
mazgch 2:b6012cd91657 42 virtual int getMessage(char* buf, int len);
mazgch 2:b6012cd91657 43 protected:
mazgch 2:b6012cd91657 44 void serialRxIrq(void);
mazgch 3:c7cd4887560d 45 virtual char next(void);
mazgch 4:c959dd4c5fe8 46 virtual int _send(const void* buf, int len);
mazgch 2:b6012cd91657 47 Pipe<char> _pipe;
mazgch 1:f41579f4e2ed 48 };
mazgch 2:b6012cd91657 49
mazgch 2:b6012cd91657 50 class GPSI2C : public I2C, public GPSParser
mazgch 2:b6012cd91657 51 {
mazgch 2:b6012cd91657 52 public:
mazgch 2:b6012cd91657 53 GPSI2C(PinName sda = GPSSDA, PinName scl = GPSSCL);
mazgch 2:b6012cd91657 54 bool detect(void);
mazgch 2:b6012cd91657 55
mazgch 2:b6012cd91657 56 virtual int getMessage(char* buf, int len);
mazgch 4:c959dd4c5fe8 57 virtual int send(const char* buf, int len);
mazgch 3:c7cd4887560d 58 virtual int sendNmea(const char* buf, int len);
mazgch 3:c7cd4887560d 59 virtual int sendUbx(unsigned char cls, unsigned char id, const void* buf, int len);
mazgch 2:b6012cd91657 60 protected:
mazgch 3:c7cd4887560d 61 virtual char next(void);
mazgch 4:c959dd4c5fe8 62 virtual int _send(const void* buf, int len);
mazgch 3:c7cd4887560d 63 int _get(char* buf, int len); // read the NMEA or UBX stream
mazgch 3:c7cd4887560d 64
mazgch 2:b6012cd91657 65 Pipe<char> _pipe;
mazgch 2:b6012cd91657 66 bool found;
mazgch 2:b6012cd91657 67 static const char REGLEN;
mazgch 2:b6012cd91657 68 static const char REGSTREAM;
mazgch 2:b6012cd91657 69 };