Hi All,
Yes i am very new , just got my Arduino Leonardo two weeks ago.
to just dive into the problem.
What i like to do is to control the volume of the Windows PC .
Like a media keyboard is doing.
If you press volume up the master volume is going up and down the same way.
So I was thinking just add the correct items int the USBAPI.h and HID.cpp
so I fount on the internet a web site that gave me (I think) the correct information about that.
For in the HID.cpp
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x09, 0xe9, // USAGE (Volume Up)
0x09, 0xea, // USAGE (Volume Down)
0x75, 0x01, // REPORT_SIZE (1)
0x95, 0x02, // REPORT_COUNT (2)
0x81, 0x06, // INPUT (Data,Var,Rel)
0x09, 0xe2, // USAGE (Mute)
0x95, 0x01, // REPORT_COUNT (1)
0x81, 0x06, // INPUT (Data,Var,Rel)
0x95, 0x05, // REPORT_COUNT (5)
0x81, 0x07, // INPUT (Cnst,Var,Rel)
And .
0xe9, // Vulume up
0xea, // volume down
And in the USBAPI.h
#define Key_Volume_Up 0xB0
#define Key_Volume_Down 0xEA
So I also create a Test sketch
boolean running = false;
void setup()
{
// make pin 2 an input and turn on the
// pullup resistor so it goes high unless
// connected to ground:
pinMode(2, INPUT_PULLUP);
Keyboard.begin();
}
void loop()
{
//if the button is pressed
if(digitalRead(2)==LOW)
{
running = true;
}
if(digitalRead(2)==HIGH)
{
running = false;
}
if(running == true)
{
//Send the message
Keyboard.press(Key_Volume_Up);
running = false;
}
}
But for some reason it only repeats a 9 all the time until I power down the Arduino.
Can someone give me som pointers in the ride direction.
I used the following websits to get the HID information.
http://www.freebsddiary.org/APC/usb_hid_usages.php
Thanx in advanced
Bart