Diff: main.cpp

Revision:

0:1ababa0d0c42

Child:

1:cecf9bdf045b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jun 04 02:37:42 2014 +0000
@@ -0,0 +1,134 @@
+#include "mbed.h"
+#include "GPS.h"
+#include "MDM.h"
+
+
+//----------------------------------------------------------------------
+/* This example was tested on C027-U20 and C027-G35 with the on board modem. 
+   
+   Additionally it was tested with a shield where the SARA-G350 RX/TX/PWRON 
+   is connected to D0/D1/D4 and the GPS SCL/SDA is connected D15/D15. In this 
+   configuration the following platforms were tested (it is likely that others 
+   will work as well)
+   - U-BLOX:    C027-XX.
+   - NXP:       LPC1549v2 
+   - Freescale: FRDM-KL25Z, FRDM-KL46Z
+   - STM:       NUCLEO-F401RE, NUCLEO-F030R8
+*/
+#if defined(TARGET_UBLOX_C027)
+  #define C027_USEONBOARD // remove this if you have the GSM/GPS shield mounted
+#endif
+
+#ifdef C027_USEONBOARD
+  #include "C027.h"
+  C027 c027;
+#endif
+
+// no tracing if serial is shared with the VCP
+#define DOTRACE ((USBRX!=MDMRXD)&&(USBTX!=MDMTXD))
+#define TRACE     (!DOTRACE)?:printf
+
+int main(void)
+{
+    int ret;
+    char buf[2048] = "";
+
+    // only trace if the serial is different from our modem port
+    if (DOTRACE) {
+        Serial pc(USBTX,USBRX);
+        pc.baud(115200);
+    }
+    
+    wait_ms(1000);
+    
+    TRACE("GSM/GPS Support Example\r\n");
+    
+    // turn on the supplies of the Modem and the GPS
+    c027.mdmPower(false);
+    c027.gpsPower(true);
+    wait(2);
+    
+    // Create the GPS object
+#if GPSADR    // use GPSI2C class
+    GPSI2C gps(GPSSDA,GPSSCL,GPSADR); 
+#elif GPSBAUD // or GPSSerial class 
+    GPSSerial gps(GPSTXD,GPSRXD,GPSBAUD); 
+#else
+    #warning "please define the pins for the GPS"
+#endif
+    
+    // open the PC serial port and (use the same baudrate)
+    Serial pc2(P4_28, P4_29);
+    pc2.baud(9600);
+    
+    TRACE("Checking GPS\r\n");
+//    char link[128] = "";
+//    unsigned int i = 0xFFFFFFFF;
+    const int wait = 100;
+    bool abort = false;
+    //DigitalOut led(LED1);
+    double hdop=99.99;
+    while (!abort) {
+    //    led = !led;        
+        while ((ret = gps.getMessage(buf, sizeof(buf))) > 0)
+        {
+            int len = LENGTH(ret);
+//            TRACE("NMEA: %.*s\r\n", len-2, buf); 
+//            pc2.printf("NMEA: %.*s\r\n", len-2, buf); 
+#if 1
+            if ((PROTOCOL(ret) == GPSParser::NMEA) && (len > 6))
+            {
+                if (!strncmp("$GPGLL", buf, 6))
+                {
+                    double la = 0, lo = 0;
+                    double  utc;
+                    char ch;
+                    if (gps.getNmeaAngle(1,buf,len,la) && 
+                        gps.getNmeaAngle(3,buf,len,lo) && 
+                        gps.getNmeaItem(5,buf,len,utc) && 
+                        gps.getNmeaItem(6,buf,len,ch) && ch == 'A')
+                    {
+    //                    TRACE("GPS Location: %.5f %.5f\r\n", la, lo); 
+                        TRACE("%06d,%.6f,%.6f\r\n", (long)utc, la, lo); 
+                        pc2.printf("%06d,%.6f,%.6f,%.2f\r\n", (long)utc, la, lo, hdop); 
+    //                    sprintf(link, "I am here!\n"
+    //                                  "https://maps.google.com/?q=%.5f,%.5f", la, lo); 
+                    }
+                }
+                if (!strncmp("$GPGSA", buf, 6))
+                {
+                    gps.getNmeaItem(16,buf,len,hdop);
+                }
+            }
+
+#endif
+#if 0
+            if ((PROTOCOL(ret) == GPSParser::NMEA) && (len > 6) && !strncmp("$GPGGA", buf, 6))
+            {
+                double la = 0, lo = 0;
+                double  utc, alt;
+                char ch;
+                if (gps.getNmeaAngle(2,buf,len,la) && 
+                    gps.getNmeaAngle(4,buf,len,lo) && 
+                    gps.getNmeaItem(11,buf,len,alt) && 
+                    gps.getNmeaItem(1,buf,len,utc) && 
+                    gps.getNmeaItem(6,buf,len,ch) && ch == 'A')
+                {
+//                    TRACE("GPS Location: %.5f %.5f\r\n", la, lo); 
+                    TRACE("%06d,%.6f,%.6f,%.2f\r\n", (long)utc, la, lo, alt); 
+                    pc2.printf("%06d,%.6f,%.6f,%.2f\r\n", (long)utc, la, lo, alt); 
+//                    sprintf(link, "I am here!\n"
+//                                  "https://maps.google.com/?q=%.5f,%.5f", la, lo); 
+                }
+            }
+#endif
+        }
+        wait_ms(wait);
+    }
+    gps.powerOff();
+    TRACE("Shutdown\r\n");
+    // now it is safe to switch LDOs off
+    c027.gpsPower(false);
+    return 0;
+}
+