Revision 0:928e10388a1b, committed 2011-08-22

Comitter:

gbeardall

Date:

Mon Aug 22 14:02:57 2011 +0000

Commit message:

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Aug 22 14:02:57 2011 +0000
@@ -0,0 +1,96 @@
+/*
+ * gps1 
+ *
+ *      http://www.sparkfun.com/products/9133
+ *      http://www.sparkfun.com/datasheets/GPS/Modules/Skytraq-Venus634FLPx_DS_v051.pdf
+ *      http://www.sparkfun.com/datasheets/GPS/Modules/AN0003_v1.4.14_FlashOnly.pdf
+ *
+ */
+ 
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+
+Serial pc(USBTX,USBRX);
+Serial gps(p9,p10); // tx, rx
+
+
+volatile unsigned char buff[128];
+volatile int bx = 0;
+volatile int rdy = 0;
+
+unsigned char chk = 0;
+
+void rxgps(void) {
+    //while(gps.readable()) {
+        int c = gps.getc();
+        pc.putc(c);
+        if(c == '$') {
+            bx = 0;
+            chk = 0;
+        }
+        else {
+            if(c == '*') {
+                pc.printf("%02X=", chk);
+            }
+            else {
+                chk ^= (unsigned char)c;
+            }
+        }
+        buff[bx++] = c;
+        if(c == '\n') rdy = 1;
+        //if(c == '\n') pc.putc('\r');
+        //if(c == '\r') pc.putc('\n');
+    //} // while
+} // rxgps
+
+int main() {
+
+    // pc.baud must be >= gps.baud
+    pc.baud(115200);
+
+    pc.printf("gps1\n\r");
+
+    gps.baud(38400); // 9600, 19200, 38400, 57600, 115200
+    gps.format(8,Serial::None,1);
+    
+    gps.attach(&rxgps, Serial::RxIrq);
+
+// GGA - Global Positioning System Fix Data
+//  GPGGA,hhmmss.sss,ddmm.mmmm,a,dddmm.mmmm,a,x,xx,x.x, x.x,M,,,,     xxxx*hh<CR><LF>
+// $GPGGA,184538.245,5105.0363,N,00109.9405,W,1,09,1.1,90.4,M,48.7,M,,0000*76
+
+// GLL – Latitude/Longitude
+//  GPGLL,ddmm.mmmm,a,dddmm.mmmm,a,hhmmss.sss,A,a*hh<CR><LF>
+// $GPGLL,5105.0363,N,00109.9405,W,184538.245,A,A*4C
+
+// GSA – GNSS DOP and Active Satellites
+//  GPGSA,A,x,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,x.x,x.x,x.x*hh<CR><LF>
+// $GPGSA,A,3,19,08,06,18,16,22,24,07,11,  ,  ,  ,2.0,1.1,1.7*3F
+
+// GSV – GNSS Satellites in View
+//  GPGSV,x,x,xx,xx,xx,xxx,xx,…,xx,xx,xxx,xx                        *hh<CR><LF>
+// $GPGSV,3,1,12,19,77,295,20,03,66,137,14,22,55,098,32,06,53,125,33*79
+// $GPGSV,3,2,12,18,31,053,19,11,30,261,32,16,27,183,24,24,19,246,24*7F
+// $GPGSV,3,3,12,08,15,301,36,07,10,275,27,21,06,069,09,15,05,019,*78
+
+// RMC – Recommended Minimum Specific GNSS Data
+//        time                                               date  
+//  GPRMC,hhmmss.sss,A,dddmm.mmmm,a,dddmm.mmmm,a,x.x,x. x,   ddmmyy,,,a*hh<CR><LF>
+// $GPRMC,184538.245,A,5105.0363, N,00109.9405,W,000.0,243.1,210811,,,A*74
+
+// VTG – Course Over Ground and Ground Speed
+//  GPVTG,x.x,  T,,M,x.x,  N,x.x,  K,a*hh<CR><LF>
+// $GPVTG,243.1,T,,M,000.0,N,000.0,K,A*09
+
+
+    for(;;) {
+        //int c = gps.
+        //wait_us(10);
+        
+        int px = 0;
+        while(!rdy); // wait for gps buffer
+        
+    } // for - ever
+    
+} // main

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Aug 22 14:02:57 2011 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912