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/* Mouse communication via control endpoint */
#include <spi.h>
#include <max3421e.h>
#include <usb.h>
#define DEVADDR 1
#define CONFVALUE 1
void setup();
void loop();
MAX3421E Max;
USB Usb;
void setup()
{
Serial.begin( 115200 );
Serial.println("Start");
Max.powerOn();
delay( 200 );
}
void loop()
{
byte rcode;
Max.Task();
Usb.Task();
if( Usb.getUsbTaskState() == USB_STATE_CONFIGURING ) {
mouse0_init();
}//if( Usb.getUsbTaskState() == USB_STATE_CONFIGURING...
if( Usb.getUsbTaskState() == USB_STATE_RUNNING ) { //poll the keyboard
rcode = mouse0_poll();
if( rcode ) {
Serial.print("Mouse Poll Error: ");
Serial.println( rcode, HEX );
}//if( rcode...
}//if( Usb.getUsbTaskState() == USB_STATE_RUNNING...
}
/* Initialize mouse */
void mouse0_init( void )
{
byte rcode = 0; //return code
/**/
Usb.setDevTableEntry( 1, Usb.getDevTableEntry( 0,0 ) ); //copy device 0 endpoint information to device 1
/* Configure device */
rcode = Usb.setConf( DEVADDR, 0, CONFVALUE );
if( rcode ) {
Serial.print("Error configuring mouse. Return code : ");
Serial.println( rcode, HEX );
while(1); //stop
}//if( rcode...
Usb.setUsbTaskState( USB_STATE_RUNNING );
return;
}
/* Poll mouse using Get Report and print result */
byte mouse0_poll( void )
{
byte rcode,i;
char buf[ 4 ] = { 0 }; //mouse buffer
static char old_buf[ 4 ] = { 0 }; //last poll
/* poll mouse */
rcode = Usb.getReport( DEVADDR, 0, 4, 0, 1, 0, buf );
if( rcode ) { //error
return( rcode );
}
for( i = 0; i < 4; i++) { //check for new information
if( buf[ i ] != old_buf[ i ] ) { //new info in buffer
break;
}
}
if( i == 4 ) {
return( 0 ); //all bytes are the same
}
/* print buffer */
if( buf[ 0 ] & 0x01 ) {
Serial.print("Button1 pressed ");
}
if( buf[ 0 ] & 0x02 ) {
Serial.print("Button2 pressed ");
}
if( buf[ 0 ] & 0x04 ) {
Serial.print("Button3 pressed ");
}
Serial.println("");
Serial.print("X-axis: ");
Serial.println( buf[ 1 ], DEC);
Serial.print("Y-axis: ");
Serial.println( buf[ 2 ], DEC);
Serial.print("Wheel: ");
Serial.println( buf[ 3 ], DEC);
for( i = 0; i < 4; i++ ) {
old_buf[ i ] = buf[ i ]; //copy buffer
}
Serial.println("");
return( rcode );
}
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