Doug Anson / c027_radios

endpoint C207 radio support

Dependents:   mbed_mqtt_endpoint_ublox_cellular mbed_nsp_endpoint_ublox_cellular

MBEDUbloxGPS.cpp@17:c48b03c386fb, 2014-07-01 (annotated)

Committer:
ansond
Date:
Tue Jul 01 17:12:32 2014 +0000
Revision:
17:c48b03c386fb
Parent:
16:19f597d8048f
Child:
19:0fcc7e5ff8a6
switches for rtos support

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ansond 0:d46b1accad7d 1 /* Copyright C2013 Doug Anson, MIT License
ansond 0:d46b1accad7d 2 *
ansond 0:d46b1accad7d 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
ansond 0:d46b1accad7d 4 * and associated documentation files the "Software", to deal in the Software without restriction,
ansond 0:d46b1accad7d 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
ansond 0:d46b1accad7d 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
ansond 0:d46b1accad7d 7 * furnished to do so, subject to the following conditions:
ansond 0:d46b1accad7d 8 *
ansond 0:d46b1accad7d 9 * The above copyright notice and this permission notice shall be included in all copies or
ansond 0:d46b1accad7d 10 * substantial portions of the Software.
ansond 0:d46b1accad7d 11 *
ansond 0:d46b1accad7d 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
ansond 0:d46b1accad7d 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
ansond 0:d46b1accad7d 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
ansond 0:d46b1accad7d 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ansond 0:d46b1accad7d 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
ansond 0:d46b1accad7d 17 */
ansond 0:d46b1accad7d 18
ansond 0:d46b1accad7d 19 // class support
ansond 3:6acc6c8143b7 20 #include "MBEDUbloxGPS.h"
ansond 0:d46b1accad7d 21
ansond 0:d46b1accad7d 22 // MBEDEndpoint support
ansond 0:d46b1accad7d 23 #include "MBEDEndpoint.h"
ansond 0:d46b1accad7d 24
ansond 1:76d2da9e2b84 25 // our instance
ansond 5:a8fd1fa0f0d0 26 MBEDUbloxGPS *_ublox_gps_instance = NULL;
ansond 6:cd2d23300f05 27 bool _ublox_gps_loop = true;
ansond 8:ad37c7157d3c 28
ansond 16:19f597d8048f 29 /* threaded task
ansond 1:76d2da9e2b84 30 static void read_gps(void const *args) {
ansond 6:cd2d23300f05 31 while (_ublox_gps_loop == true && _ublox_gps_instance != NULL) {
ansond 5:a8fd1fa0f0d0 32 _ublox_gps_instance->update();
ansond 1:76d2da9e2b84 33 wait_ms(UBLOX_GPS_POLL_MS);
ansond 1:76d2da9e2b84 34 }
ansond 8:ad37c7157d3c 35 if (_ublox_gps_instance != NULL) _ublox_gps_instance->logger()->log("GPS update thread stopping...");
ansond 1:76d2da9e2b84 36 }
ansond 16:19f597d8048f 37 */
ansond 1:76d2da9e2b84 38
ansond 0:d46b1accad7d 39 // default constructor
ansond 16:19f597d8048f 40 MBEDUbloxGPS::MBEDUbloxGPS(ErrorHandler *error_handler, void *endpoint,void *gps) : BaseClass(error_handler,endpoint) {
ansond 17:c48b03c386fb 41 #ifdef ENABLE_THREADS
ansond 8:ad37c7157d3c 42 this->m_gps_poll_thread = NULL;
ansond 17:c48b03c386fb 43 #endif
ansond 16:19f597d8048f 44 this->m_gps = (GPSParser *)gps;
ansond 1:76d2da9e2b84 45 this->m_latitude = 0;
ansond 1:76d2da9e2b84 46 this->m_longitude = 0;
ansond 5:a8fd1fa0f0d0 47 _ublox_gps_instance = this;
ansond 0:d46b1accad7d 48 }
ansond 0:d46b1accad7d 49
ansond 0:d46b1accad7d 50 // default destructor
ansond 3:6acc6c8143b7 51 MBEDUbloxGPS::~MBEDUbloxGPS() {
ansond 17:c48b03c386fb 52 #ifdef ENABLE_THREADS
ansond 1:76d2da9e2b84 53 if (this->m_gps_poll_thread != NULL) { this->m_gps_poll_thread->terminate(); delete this->m_gps_poll_thread; }
ansond 17:c48b03c386fb 54 #endif
ansond 17:c48b03c386fb 55
ansond 0:d46b1accad7d 56 }
ansond 0:d46b1accad7d 57
ansond 1:76d2da9e2b84 58 // update our GPS info
ansond 3:6acc6c8143b7 59 void MBEDUbloxGPS::update() {
ansond 16:19f597d8048f 60 char out[20];
ansond 16:19f597d8048f 61 memset(out,0,20);
ansond 16:19f597d8048f 62 sprintf(out,"<GPS off>");
ansond 1:76d2da9e2b84 63
ansond 1:76d2da9e2b84 64 // convert the input to latitude/longitude decimal values
ansond 1:76d2da9e2b84 65 this->logger()->log("GPS: Output: %s",out);
ansond 0:d46b1accad7d 66 }
ansond 0:d46b1accad7d 67
ansond 7:948040230536 68 // start the update thread and connect
ansond 7:948040230536 69 bool MBEDUbloxGPS::connect() {
ansond 17:c48b03c386fb 70 #ifdef ENABLE_THREADS
ansond 8:ad37c7157d3c 71 if (this->m_gps_poll_thread == NULL) {
ansond 17:c48b03c386fb 72 this->logger()->log("starting GPS update thread...");
ansond 17:c48b03c386fb 73 this->m_gps_poll_thread = new Thread(read_gps);
ansond 8:ad37c7157d3c 74 }
ansond 17:c48b03c386fb 75 #endif
ansond 7:948040230536 76 return true;
ansond 7:948040230536 77 }
ansond 7:948040230536 78
ansond 6:cd2d23300f05 79 // halt the update thread and disconnect
ansond 7:948040230536 80 bool MBEDUbloxGPS::disconnect() { _ublox_gps_loop = false; return true; }
ansond 6:cd2d23300f05 81
ansond 0:d46b1accad7d 82 // get latitude
ansond 3:6acc6c8143b7 83 float MBEDUbloxGPS::getLatitude() { return this->m_latitude; }
ansond 0:d46b1accad7d 84
ansond 0:d46b1accad7d 85 // get longitude
ansond 5:a8fd1fa0f0d0 86 float MBEDUbloxGPS::getLongitude() { return this->m_longitude; }