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Dependencies: C12832_lcd FatFileSystemCpp MMA7660 CMPS03 GPS
Fork of
MSCUsbHost
by 
Igor Skochinsky
Program to link a compass and a GPS to an MBED to produce a CSV file which can be used to track a bicycle around a field
Results can be found here
Revision 24:ffcfb0d9d490, committed 2020-09-12
- Comitter:
- jrmswell
- Date:
- Sat Sep 12 14:47:28 2020 +0000
- Parent:
- 21:1990400ca172
- Commit message:
- Updated to MbedOS5
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp.orig Sat Sep 12 14:47:28 2020 +0000
@@ -0,0 +1,75 @@
+#include "mbed.h" // mbed library
+#include "MMA7660.h" // Accelerometer library
+#include "GPS.h" // GPS library
+#include "CMPS03.h" // Compass library
+#include "C12832_lcd.h" // LCD screen library
+#include "MSCFileSystem.h"
+#define FSNAME "USB"
+#define LIM 300
+
+GPS gps(p9, p10); // GPS Connection
+CMPS03 compass(p28, p27, CMPS03_DEFAULT_I2C_ADDRESS); // Compass connection
+MMA7660 MMA(p28, p27); // Accelerometer connection
+C12832_LCD lcd;
+Serial pc(USBTX, USBRX);
+
+// Declarations
+float ax, ay, az;
+DigitalOut connectionLed(LED1);
+MSCFileSystem msc("USB"); // Mount USB stick under the name "USB"
+
+int main()
+{
+ if (MMA.testConnection())
+ connectionLed = 1; // Checking MMA connected correctly
+
+ FILE *Accel = fopen("/USB/Accelerometer.csv", "w"); // Opens text file for Accelerometer
+ FILE *GPS = fopen("/USB/GPS.csv", "w"); // Opens text file for GPS
+ FILE *Comp = fopen("/USB/Compass.csv", "w"); // Opens text file for Compass
+
+ int i;
+ float bearing;
+
+ while(i < LIM)
+ {
+ //Accelerometer
+ Accel = fopen("/USB/Accelerometer.csv", "a");
+ ax=MMA.x();
+ ay=MMA.y();
+ az=MMA.z();
+ fprintf(Accel,"%f, %f, %f\r\n",ax,ay,az);
+ lcd.locate(1,21);
+ lcd.printf("Accel: %.2f, %.2f, %.2f", ax, ay, az);
+
+ //GPS
+ GPS = fopen("/USB/GPS.csv", "a");
+ if (gps.sample())
+ {
+ fprintf(GPS, "%f, %f, %.1f\r\n", gps.latitude, gps.longitude, gps.rtime);
+ lcd.locate(1,1);
+ lcd.printf("GPS: %.4f, %.4f, %f", gps.latitude, gps.longitude, gps.rtime);
+ }
+ else // For no signal
+ {
+ fprintf(GPS, "No Lock!\r\n");
+ lcd.locate(1,1);
+ lcd.printf("GPS: No Lock!");
+ }
+
+ // Compass
+ Comp = fopen("/USB/Compass.csv", "a");
+ lcd.locate(1,11);
+ bearing = (compass.readBearing()/10) - 165; // (165 = predetermined offset to align with magnetic north)
+ if (bearing < 0)
+ {
+ bearing = 360 + bearing;
+ }
+ fprintf(Comp, "%.2f\r\n", bearing);
+ lcd.printf("Bearing: %.2f\n", bearing);
+
+ i++;
+ fclose(Accel);
+ fclose(GPS);
+ fclose(Comp);
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Sat Sep 12 14:47:28 2020 +0000 @@ -0,0 +1,1 @@ +https://github.com/armmbed/mbed-os/
--- a/mbed.bld Thu Mar 23 16:24:32 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/10b9abbe79a6 \ No newline at end of file
