Rodolphe Fleury / GPS_I2C_astek

astek

GPS_I2C.h@0:f4c7ece483fe, 2019-12-27 (annotated)

Committer:
RoddyRod
Date:
Fri Dec 27 15:32:37 2019 +0000
Revision:
0:f4c7ece483fe
fsabatier;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RoddyRod 0:f4c7ece483fe 1 #ifndef __GPSI2C__
RoddyRod 0:f4c7ece483fe 2 #define __GPSI2C__
RoddyRod 0:f4c7ece483fe 3
RoddyRod 0:f4c7ece483fe 4 #include "mbed.h"
RoddyRod 0:f4c7ece483fe 5 #include <string>
RoddyRod 0:f4c7ece483fe 6
RoddyRod 0:f4c7ece483fe 7 #define MT333x_ADDR 0x10 //7-bit unshifted default I2C Address
RoddyRod 0:f4c7ece483fe 8
RoddyRod 0:f4c7ece483fe 9 #define MAX_PACKET_SIZE 255
RoddyRod 0:f4c7ece483fe 10 //If packet size is ever more than 255 the head and tail variables will need to be
RoddyRod 0:f4c7ece483fe 11 //changed to something other than uint8_t
RoddyRod 0:f4c7ece483fe 12
RoddyRod 0:f4c7ece483fe 13 #define I2C_SPEED_STANDARD 100000
RoddyRod 0:f4c7ece483fe 14 #define I2C_SPEED_FAST 400000
RoddyRod 0:f4c7ece483fe 15
RoddyRod 0:f4c7ece483fe 16 class GPS_I2C{
RoddyRod 0:f4c7ece483fe 17 public:
RoddyRod 0:f4c7ece483fe 18 //Constructor
RoddyRod 0:f4c7ece483fe 19 GPS_I2C(PinName sda, PinName scl, uint32_t freq); //Init I2C interface with Pin and frequency
RoddyRod 0:f4c7ece483fe 20 ~GPS_I2C();
RoddyRod 0:f4c7ece483fe 21 //Methods
RoddyRod 0:f4c7ece483fe 22 bool begin(); //Test if sensor is available
RoddyRod 0:f4c7ece483fe 23 void check();
RoddyRod 0:f4c7ece483fe 24 uint8_t available();
RoddyRod 0:f4c7ece483fe 25 uint8_t read();
RoddyRod 0:f4c7ece483fe 26 //Variables
RoddyRod 0:f4c7ece483fe 27 uint8_t gpsData[MAX_PACKET_SIZE]; //The place to store valid incoming gps data
RoddyRod 0:f4c7ece483fe 28
RoddyRod 0:f4c7ece483fe 29 private:
RoddyRod 0:f4c7ece483fe 30 /*I2C config*/
RoddyRod 0:f4c7ece483fe 31 I2C _i2c;
RoddyRod 0:f4c7ece483fe 32 uint32_t _freq;
RoddyRod 0:f4c7ece483fe 33
RoddyRod 0:f4c7ece483fe 34 /*GPS buffer beginning/ending*/
RoddyRod 0:f4c7ece483fe 35 uint8_t _head;
RoddyRod 0:f4c7ece483fe 36 uint8_t _tail;
RoddyRod 0:f4c7ece483fe 37 };
RoddyRod 0:f4c7ece483fe 38
RoddyRod 0:f4c7ece483fe 39 #endif