new Xadow GPS module
Dependents: xadow_smartstrap_for_pebble Avnet_ATT_Cellular_IOT Xadow-M0_Xadow-OLED_Accelerometer
XadowGPS.cpp
- Committer:
- KillingJacky
- Date:
- 2015-11-04
- Revision:
- 1:97f0865ea131
- Parent:
- 0:0cbe7e15999a
- Child:
- 2:cf4d22190de4
File content as of revision 1:97f0865ea131:
#include <stdlib.h> #include "mbed.h" #include "XadowGPS.h" #include "USBSerial.h" unsigned char gps_utc_date_time[GPS_UTC_DATE_TIME_SIZE] = {0}; static char cmd[2]; extern I2C i2c; extern USBSerial dbg_serial; unsigned char gps_check_online(void) { unsigned char data[GPS_SCAN_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_SCAN_ID); cmd[0] = GPS_SCAN_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_SCAN_SIZE+2);i++) { i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } if(data[5] == (GPS_DEVICE_ADDR>>1))return 1; else return 0; } unsigned char* gps_get_utc_date_time(void) { unsigned char data[GPS_UTC_DATE_TIME_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_UTC_DATE_TIME_ID); cmd[0] = GPS_UTC_DATE_TIME_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_UTC_DATE_TIME_SIZE+2);i++) { //data[i] = dlc_i2c_receive_byte(); i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } for(i=0;i<GPS_UTC_DATE_TIME_SIZE;i++) gps_utc_date_time[i] = data[i+2]; return gps_utc_date_time; } unsigned char gps_get_status(void) { unsigned char data[GPS_STATUS_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_STATUS_ID); cmd[0] = GPS_STATUS_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_STATUS_SIZE+2);i++) { //data[i] = dlc_i2c_receive_byte(); i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } return data[2]; } float gps_get_latitude(void) { unsigned char data[GPS_LATITUDE_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_LATITUDE_ID); cmd[0] = GPS_LATITUDE_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_LATITUDE_SIZE+2);i++) { i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } return atof((const char *)&data[2]); } unsigned char gps_get_ns(void) { unsigned char data[GPS_NS_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_NS_ID); cmd[0] = GPS_NS_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_NS_SIZE+2);i++) { i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } if(data[2] == 'N' || data[2] == 'S')return data[2]; else return data[2] = '-'; } float gps_get_longitude(void) { unsigned char data[GPS_LONGITUDE_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_LONGITUDE_ID); cmd[0] = GPS_LONGITUDE_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_LONGITUDE_SIZE+2);i++) { i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } return atof((const char *)&data[2]); } unsigned char gps_get_ew(void) { unsigned char data[GPS_EW_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_EW_ID); cmd[0] = GPS_EW_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_EW_SIZE+2);i++) { i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } if(data[2] == 'E' || data[2] == 'W')return data[2]; else return data[2] = '-'; } float gps_get_speed(void) { unsigned char data[GPS_SPEED_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_SPEED_ID); cmd[0] = GPS_SPEED_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_SPEED_SIZE+2);i++) { i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } return atof((const char *)&data[2]); } float gps_get_course(void) { unsigned char data[GPS_COURSE_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_COURSE_ID); cmd[0] = GPS_COURSE_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_COURSE_SIZE+2);i++) { i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } return atof((const char *)&data[2]); } unsigned char gps_get_position_fix(void) { unsigned char data[GPS_POSITION_FIX_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_POSITION_FIX_ID); cmd[0] = GPS_POSITION_FIX_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_POSITION_FIX_SIZE+2);i++) { i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } return data[2] - '0'; } unsigned char gps_get_sate_used(void) { unsigned char data[GPS_SATE_USED_SIZE+2]; unsigned char i; unsigned char value; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_SATE_USED_ID); cmd[0] = GPS_SATE_USED_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_SATE_USED_SIZE+2);i++) { i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst //dbg_serial.printf("data[%d]: %02x ", i, data[i]); } if(data[3] >= '0' && data[3] <= '9' )value = (data[3] - '0') * 10; else value = 0; if(data[2] >= '0' && data[2] <= '9' )value += (data[2] - '0'); else value += 0; return value; } float gps_get_altitude(void) { unsigned char data[GPS_ALTITUDE_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_ALTITUDE_ID); cmd[0] = GPS_ALTITUDE_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_ALTITUDE_SIZE+2);i++) { i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } return atof((const char *)&data[2]); } char gps_get_mode(void) { char data[GPS_MODE_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_MODE_ID); cmd[0] = GPS_MODE_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_MODE_SIZE+2);i++) { i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } return data[2]; } unsigned char gps_get_mode2(void) { unsigned char data[GPS_MODE2_SIZE+2]; unsigned char i; //dlc_i2c_configure(GPS_DEVICE_ADDR, 100); //dlc_i2c_send_byte(GPS_MODE2_ID); cmd[0] = GPS_MODE2_ID; i2c.write(GPS_DEVICE_ADDR, cmd, 1); for(i=0;i<(GPS_MODE2_SIZE+2);i++) { i2c.read(GPS_DEVICE_ADDR, (char *)&data[i], 1); //the gps module's i2c supports only 1 byte read/write per burst } return data[2] - '0'; }