Diff: main.cpp

Revision:

0:69eb9d19fb91

Child:

1:948ffad3284f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Jul 30 22:35:10 2013 +0000
@@ -0,0 +1,77 @@
+#include "mbed.h"
+
+#include "USBAudioControl.h"
+#include "MyDisplayClass.h"
+
+#define PAUSEKEY 16
+#define NUMSECONDSTOHOLD 5
+
+BusIn btnArray(p15,p12,p13,p16,p14);
+DigitalOut toggle(LED1);
+
+MyDisplayClass display;
+USBAudioControl hid(0x1234,0x0006,0x0001);
+HID_REPORT tempReport;
+
+unsigned int features=0;
+unsigned int USBstate=0;
+
+void SetLevel(HID_REPORT *report){
+    display.setLevel(report->data[0]);   
+}
+
+void SetFeatures(HID_REPORT *report){
+    features=(report->data[1]&0x30)>>4;
+    display.setMaxLevel((report->data[1]&0x0f)<<2);
+}
+
+void WriteConnectedBit(unsigned int connected){
+    USBstate = (connected << 1) | (USBstate & 0x1);
+}
+
+void WriteSuspendBit(unsigned int suspend){
+    USBstate = (suspend) | (USBstate & 0x2);
+}
+ 
+void PollInputs(HID_REPORT *tempReport) {
+   tempReport->data[0]=btnArray;
+}
+
+void CheckForHeldPauseKey(HID_REPORT * tempreport, USBAudioControl * hid, DigitalOut * toggle){
+ static int holdCount=0;
+     
+     //Provide Feedback to user holding the key by flashing an LED when the key is held
+     *toggle=(holdCount>0)?(holdCount /5)%2 :0;
+     //Count how long the PAUSEKEY is held
+     if(tempReport.data[0]==PAUSEKEY) {
+        holdCount++;     
+     } else
+        holdCount=0;
+     //If Key is held # of seconds, The hid will diconnect/connect the USB device
+     if(holdCount>=NUMSECONDSTOHOLD*10) {
+        holdCount=0;
+       if(hid->getConnectState())  { 
+         hid->disconnect();
+       } else
+         hid->connect();
+     }
+}
+
+int main() {
+   
+    hid.callbackSetOutputReport=&SetLevel;
+    hid.callbackSetFeatureReport=&SetFeatures;
+    hid.callbackSuspendChange=&WriteSuspendBit;
+    tempReport.length=1;
+    
+    while(1) {
+     PollInputs(&tempReport);
+     WriteConnectedBit(hid.getConnectState());
+     CheckForHeldPauseKey(&tempReport,&hid,&toggle);
+     hid.FillInputReport(&tempReport);
+     display.update(USBstate,features); 
+     wait(0.1);
+    }
+}
+
+