From 6eeb9120c5dd32b5d515a656421db4b405639447 Mon Sep 17 00:00:00 2001
From: Stanley Huang <stanleyhuangyc@gmail.com>
Date: Sat, 19 Sep 2015 16:18:01 +1000
Subject: Minor update

---
 libraries/OBD/OBD.cpp | 19 ++++++++++---------
 libraries/OBD/OBD.h   |  9 +++++----
 2 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/libraries/OBD/OBD.cpp b/libraries/OBD/OBD.cpp
index c28c1f2..4242cf3 100644
--- a/libraries/OBD/OBD.cpp
+++ b/libraries/OBD/OBD.cpp
@@ -426,37 +426,38 @@ bool COBD::getGPSData(GPS_DATA* gdata)
     for (p = s; *p; p++) {
         char c = *p;
         if (c == ',' || c == '>' || c <= 0x0d) {
+            long value = atol(s);
             switch (index) {
             case 0:
-                gdata->date = (uint32_t)atol(s);
+                gdata->date = (uint32_t)value;
                 break;
             case 1:
-                gdata->time = (uint32_t)atol(s);
+                gdata->time = (uint32_t)value;
                 break;
             case 2:
-                gdata->lat = atol(s);
+                gdata->lat = value;
                 break;
             case 3:
-                gdata->lon = atol(s);
+                gdata->lon = value;
                 break;
             case 4:
-                gdata->alt = atoi(s);
+                gdata->alt = value;
                 break;
             case 5:
-                gdata->speed = atof(s);
+                gdata->speed = value;
                 break;
             case 6:
-                gdata->heading = atoi(s);
+                gdata->heading = value;
                 break;
             case 7:
-                gdata->sat = atoi(s);
+                gdata->sat = value;
                 break;
             }
             index++;
             s = p + 1;
         }
     }
-    return index > 7;
+    return index >= 4;
 }
 
 #ifdef DEBUG
diff --git a/libraries/OBD/OBD.h b/libraries/OBD/OBD.h
index 74e4225..90944e9 100644
--- a/libraries/OBD/OBD.h
+++ b/libraries/OBD/OBD.h
@@ -12,6 +12,7 @@
 
 #define OBD_TIMEOUT_SHORT 2000 /* ms */
 #define OBD_TIMEOUT_LONG 7000 /* ms */
+#define OBD_TIMEOUT_GPS 200 /* ms */
 #define OBD_SERIAL_BAUDRATE 38400
 #define OBD_RECV_BUF_SIZE 128
 
@@ -98,10 +99,10 @@ typedef struct {
     uint32_t time;
     int32_t lat;
     int32_t lon;
-    int alt;
-    float speed;
-    int heading;
-    int sat;
+    int16_t alt;
+    uint8_t speed;
+    uint8_t sat;
+    int16_t heading;
 } GPS_DATA;
 
 uint16_t hex2uint16(const char *p);
-- 
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