Multi-Hackers / GpsParser

GPS NEMA String parser library. Only supports SkyTraq Venus chip at this time.

Dependents:   MTDOT-EVB-LinkCheck-AL MTDOT-BOX-EVB-Factory-Firmware-LIB-108 TelitSensorToCloud mDot_sensor_to_cloud ... more

Files at this revision

API Documentation at this revision

Revision 7:bd1013ba8afd, committed 2015-12-07

Comitter:
Mike Fiore
Date:
Mon Dec 07 11:45:56 2015 -0600
Parent:
6:2050b4795b66
Child:
8:5fa40fa372e2
Commit message:
use ticker to blink LED

Changed in this revision

GPSPARSER.cpp Show annotated file Show diff for this revision Revisions of this file
GPSPARSER.h Show annotated file Show diff for this revision Revisions of this file 
--- a/GPSPARSER.cpp	Fri Dec 04 16:40:41 2015 -0600
+++ b/GPSPARSER.cpp	Mon Dec 07 11:45:56 2015 -0600
@@ -34,7 +34,8 @@
 GPSPARSER::GPSPARSER(MTSSerial *uart, NCP5623B* led)
     : _getSentenceThread(&GPSPARSER::startSentenceThread,this),
       _led(led),
-      _led_state(0)
+      _led_state(0),
+      _tick_running(false)
 {
     _gps_uart = uart;
     _gps_uart->baud(9600);    //set GPS baud rate here
@@ -59,7 +60,6 @@
     if (GPSPARSER::initGps() == 0) {
         _gps_detected = true;
         _getSentenceThread.signal_set(START_THREAD);
-        _led_timer.start();
         printf("Started Nema Sentence Thread\r\n");
     } else {
         printf("No GPS detected\r\n");
@@ -156,6 +156,10 @@
 
     _getSentenceThread.signal_wait(START_THREAD);
     printf("Got thread start\r\n");
+    if (_led) {
+        _tick.attach(this, &GPSPARSER::blinker, 0.5);
+        _tick_running = true;
+    }
 
     do {
         if (_gps_uart->readable() > 80) {
@@ -208,11 +212,16 @@
 
         if (_led) {
             if (_fix_status >= 2) {
+                if (_tick_running) {
+                    _tick.detach();
+                    _tick_running = false;
+                }
                 _led->setPWM(NCP5623B::LED_3, 8);
-            } else if (_led_timer.read_ms() > 1000) {
-                _led_timer.reset();
-                _led_state = (_led_state == 0) ? 8 : 0;
-                _led->setPWM(NCP5623B::LED_3, _led_state);
+            } else {
+                if (! _tick_running) {
+                    _tick.attach(this, &GPSPARSER::blinker, 0.5);
+                    _tick_running = true;
+                }
             }
         }
 
@@ -428,3 +437,8 @@
     return _msl_altitude;
 }
 
+void GPSPARSER::blinker() {
+    _led_state = (_led_state == 0) ? 8 : 0;
+    _led->setPWM(NCP5623B::LED_3, _led_state);
+}
+

--- a/GPSPARSER.h	Fri Dec 04 16:40:41 2015 -0600
+++ b/GPSPARSER.h	Mon Dec 07 11:45:56 2015 -0600
@@ -153,7 +153,8 @@
     Thread _getSentenceThread;
     NCP5623B* _led;
     int8_t _led_state;
-    Timer _led_timer;
+    Ticker _tick;
+    bool _tick_running;
     
     /** Detect and initialize GPS device
      *  @return status of initialization
@@ -205,5 +206,7 @@
      */
     uint8_t parseZDA(char *nema_buff);
 
+    void blinker();
+
 };
 #endif