Diff: main.cpp

Revision:

0:eff8db5e950d

Child:

1:351d281f437f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Feb 02 06:53:56 2019 +0000
@@ -0,0 +1,38 @@
+#include "mbed.h"
+DigitalOut led1(LED1);
+
+#include "TinyGPSPlus.h"
+TinyGPSPlus gps_parser;
+static const int GPS_BAUD_RATE = 9600;
+Serial gps(PA_15, PB_7);
+char buf[128];
+
+void callback() {
+    char c = gps.getc();
+    switch (c) {
+        case '\n':
+            if (gps_parser.satellites.isValid() && gps_parser.satellites.value() > 3 && gps_parser.hdop.hdop() > 0) {
+                snprintf(buf, 128, "{\"lat\":%lf,\"lng\":%lf}", gps_parser.location.lat(), gps_parser.location.lng());
+            } else {
+                snprintf(buf, 128, "Satellites: %lu, time: %04d-%02d-%02dT%02d:%02d:%02d.%02d",
+                gps_parser.satellites.value(), gps_parser.date.year(), gps_parser.date.month(), gps_parser.date.day(),
+                gps_parser.time.hour(), gps_parser.time.minute(), gps_parser.time.second(), gps_parser.time.centisecond());
+            }
+            printf("%s\r\n", buf);
+            break;
+        default:
+            gps_parser.encode(c);
+            break;
+    }
+    led1 = !led1;
+}
+
+int main()
+{
+    gps.baud(GPS_BAUD_RATE);
+    gps.format(8, Serial::None, 1);
+    gps.attach(&callback, Serial::RxIrq);
+    while(1) {
+        wait(1);
+    }
+}