103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
/* Name: usb.h by Kai Lauterbach
|
|
* Based on Project: hid-custom-rq example
|
|
* Revision: $Id: main.c 790 2010-05-30 21:00:26Z cs $
|
|
* Author: Christian Starkjohann
|
|
* Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
|
|
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
|
|
*/
|
|
|
|
#include "usb.h"
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
usbMsgLen_t usbFunctionSetup(uchar data[8])
|
|
{
|
|
usbRequest_t *rq = (void *)data;
|
|
|
|
if ( (rq->bmRequestType & USBRQ_TYPE_MASK) == USBRQ_TYPE_VENDOR )
|
|
{
|
|
if ( rq->bRequest == CUSTOM_RQ_SET_LED )
|
|
{
|
|
if ( rq->wValue.bytes[0] == 1 )
|
|
cube |= ((uint32_t)1 << rq->wIndex.bytes[0]);
|
|
else
|
|
cube &= ~((uint32_t)1 << rq->wIndex.bytes[0]);
|
|
} else if ( rq->bRequest == CUSTOM_RQ_SET_FRAME )
|
|
{
|
|
|
|
if ( rq->wIndex.bytes[0] == 0 )
|
|
{
|
|
cube = (cube & (uint32_t)0xffff0000) |
|
|
rq->wValue.bytes[0] +
|
|
(rq->wValue.bytes[1] << 8);
|
|
} else if ( rq->wIndex.bytes[0] == 1 )
|
|
{
|
|
cube = (cube & (uint32_t)0x0000ffff) |
|
|
((uint32_t)(rq->wValue.bytes[0] +
|
|
(rq->wValue.bytes[1] << 8)) << 16);
|
|
}
|
|
|
|
//} else if ( rq->bRequest == CUSTOM_RQ_GET_STATUS ) {
|
|
// Send one byte to the USB host.
|
|
|
|
//static uchar dataBuffer[1]; // buffer must stay valid when usbFunctionSetup returns
|
|
//usbMsgPtr = 0; // tell the driver which data to return
|
|
//return 1; // tell the driver to send 1 byte
|
|
|
|
//return 0; // tell the driver to send 0 byte
|
|
}
|
|
//} else {
|
|
/* class requests USBRQ_HID_GET_REPORT and USBRQ_HID_SET_REPORT are
|
|
* not implemented since we never call them. The operating system
|
|
* won't call them either because our descriptor defines no meaning.
|
|
*/
|
|
}
|
|
return 0; /* default for not implemented requests: return no data back to host */
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
void init_usb(void)
|
|
{
|
|
uchar i;
|
|
|
|
usbInit();
|
|
usbDeviceDisconnect(); /* enforce re-enumeration, do this while interrupts are disabled! */
|
|
|
|
i = 0;
|
|
while(--i) { /* fake USB disconnect for > 250 ms */
|
|
//wdt_reset();
|
|
_delay_ms(1);
|
|
//sleep_nop(255);
|
|
}
|
|
|
|
usbDeviceConnect();
|
|
|
|
sei(); // enable global interrupts
|
|
|
|
}
|
|
|
|
/* TODO add to the projects main
|
|
|
|
init_usb();
|
|
|
|
// Even if you don't use the watchdog, turn it off here. On newer devices,
|
|
// the status of the watchdog (on/off, period) is PRESERVED OVER RESET!
|
|
//
|
|
// RESET status: all port bits are inputs without pull-up.
|
|
// That's the way we need D+ and D-. Therefore we don't need any
|
|
// additional hardware initialization.
|
|
wdt_enable(WDTO_1S);
|
|
|
|
...mainloop start...
|
|
|
|
wdt_reset(); // we are alive, please dont reset the µC (optional)
|
|
usbPoll(); // keep the usb connection up
|
|
|
|
...end mainloop...
|
|
|
|
|
|
*/
|
|
|
|
/* ------------------------------------------------------------------------- */
|