Code controlling second MBED in speed detection system that plays speaker sounds and writes time stamp to microSD card. By Ibrahim Khan and Saad Khan.

Dependencies:   SDFileSystem mbed wave_player

By Ibrahim Khan and Saad Khan. Part of ECE4180 project.

Files at this revision

API Documentation at this revision

Comitter:
gotmilk
Date:
Fri Dec 09 07:41:53 2016 +0000
Commit message:
initial commit of code running on second mbed in speed detection system

Changed in this revision

SDFileSystem.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
wave_player.lib Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 10686b395bb9 SDFileSystem.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.lib	Fri Dec 09 07:41:53 2016 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/mbed_official/code/SDFileSystem/#8db0d3b02cec
diff -r 000000000000 -r 10686b395bb9 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Dec 09 07:41:53 2016 +0000
@@ -0,0 +1,42 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include "wave_player.h"
+
+DigitalIn fast(p9);
+DigitalIn turn(p10);
+SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
+AnalogOut DACout(p18);
+wave_player waver(&DACout);
+
+int main() {
+    while(1) {
+        if (fast) {
+            time_t seconds = time(NULL);
+            FILE *wave_file;
+//            uLCD.cls();
+            wave_file=fopen("/sd/fast.wav","r");
+            waver.play(wave_file);
+            fclose(wave_file);
+            FILE *fp = fopen("/sd/speedlog.txt", "w");
+            //if(fp == NULL) {
+            //    uLCD.printf("Could not open file for write\n\r");
+            //}
+            fprintf(fp, "Driver drove above limit on %s\n", ctime(&seconds));
+            fclose(fp);
+            }
+        else if (turn) {
+            time_t seconds = time(NULL);
+            FILE *wave_file;
+            //uLCD.cls();
+            wave_file=fopen("/sd/turn.wav","r");
+            waver.play(wave_file);
+            fclose(wave_file);
+            FILE *fp = fopen("/sd/speedlog.txt", "w");
+            //if(fp == NULL) {
+            //    uLCD.printf("Could not open file for write\n");
+            //}
+            fprintf(fp, "Driver turned above g-limit on on %s\n", ctime(&seconds));
+            fclose(fp);
+            }
+    }
+}
diff -r 000000000000 -r 10686b395bb9 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Dec 09 07:41:53 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9bcdf88f62b0
\ No newline at end of file
diff -r 000000000000 -r 10686b395bb9 wave_player.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wave_player.lib	Fri Dec 09 07:41:53 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/sravet/code/wave_player/#acc3e18e77ad