Xinlei Cao / C027_Support

Own fork of C027_Support

Dependents:   MbedSmartRestMain MbedSmartRestMain

Fork of C027_Support by u-blox

GPS.h@3:c7cd4887560d, 2013-10-25 (annotated)

Committer:
mazgch
Date:
Fri Oct 25 09:45:55 2013 +0000
Revision:
3:c7cd4887560d
Parent:
2:b6012cd91657
Child:
4:c959dd4c5fe8
added sending of msgs

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 3:c7cd4887560d 20 virtual int sendNmea(const char* buf, int len) = 0;
mazgch 3:c7cd4887560d 21 virtual int sendUbx(unsigned char cls, unsigned char id, const void* buf, int len) = 0;
mazgch 2:b6012cd91657 22
mazgch 2:b6012cd91657 23 static const char* findNmeaItemPos(int ix, const char* start, const char* end);
mazgch 2:b6012cd91657 24 static bool getNmeaItem(int ix, char* buf, int len, double& val);
mazgch 2:b6012cd91657 25 static bool getNmeaItem(int ix, char* buf, int len, int& val, int base/*=10*/);
mazgch 2:b6012cd91657 26 static bool getNmeaItem(int ix, char* buf, int len, char& val);
mazgch 2:b6012cd91657 27 protected:
mazgch 2:b6012cd91657 28 static int _getMessage(Pipe<char>* pipe, char* buf, int len);
mazgch 2:b6012cd91657 29 static int _parseNmea(Pipe<char>* pipe, int len);
mazgch 2:b6012cd91657 30 static int _parseUbx(Pipe<char>* pipe, int len);
mazgch 3:c7cd4887560d 31 virtual int send(const void* buf, int len) = 0;
mazgch 2:b6012cd91657 32 static const char toHex[16];
mazgch 2:b6012cd91657 33 };
mazgch 2:b6012cd91657 34
mazgch 2:b6012cd91657 35 class GPSSerial : public Serial, public GPSParser
mazgch 1:f41579f4e2ed 36 {
mazgch 1:f41579f4e2ed 37 public:
mazgch 2:b6012cd91657 38 GPSSerial(PinName tx = GPSTXD, PinName rx = GPSRXD, int baudrate = GPSBAUD);
mazgch 2:b6012cd91657 39 virtual ~GPSSerial(void);
mazgch 2:b6012cd91657 40
mazgch 2:b6012cd91657 41 virtual int getMessage(char* buf, int len);
mazgch 2:b6012cd91657 42 protected:
mazgch 2:b6012cd91657 43 void serialRxIrq(void);
mazgch 3:c7cd4887560d 44 virtual char next(void);
mazgch 3:c7cd4887560d 45 virtual int send(const void* buf, int len);
mazgch 2:b6012cd91657 46 Pipe<char> _pipe;
mazgch 1:f41579f4e2ed 47 };
mazgch 2:b6012cd91657 48
mazgch 2:b6012cd91657 49 class GPSI2C : public I2C, public GPSParser
mazgch 2:b6012cd91657 50 {
mazgch 2:b6012cd91657 51 public:
mazgch 2:b6012cd91657 52 GPSI2C(PinName sda = GPSSDA, PinName scl = GPSSCL);
mazgch 2:b6012cd91657 53 bool detect(void);
mazgch 2:b6012cd91657 54
mazgch 2:b6012cd91657 55 virtual int getMessage(char* buf, int len);
mazgch 3:c7cd4887560d 56 virtual int sendNmea(const char* buf, int len);
mazgch 3:c7cd4887560d 57 virtual int sendUbx(unsigned char cls, unsigned char id, const void* buf, int len);
mazgch 2:b6012cd91657 58 protected:
mazgch 3:c7cd4887560d 59 virtual char next(void);
mazgch 3:c7cd4887560d 60 virtual int send(const void* buf, int len);
mazgch 3:c7cd4887560d 61 int _get(char* buf, int len); // read the NMEA or UBX stream
mazgch 3:c7cd4887560d 62
mazgch 2:b6012cd91657 63 Pipe<char> _pipe;
mazgch 2:b6012cd91657 64 bool found;
mazgch 2:b6012cd91657 65 static const char REGLEN;
mazgch 2:b6012cd91657 66 static const char REGSTREAM;
mazgch 2:b6012cd91657 67 };