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atusb/fw/board_app.c (INT0_vect): limit interrupt serials to 0x80-0xff

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This leaves the range 0x00-0x7f for other uses.
This commit is contained in:
Werner Almesberger 2011-07-12 04:40:03 -03:00
parent 97604d70f2
commit 7cae01bc0e
1 changed files with 1 additions and 1 deletions
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2
atusb/fw/board_app.c
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@ -157,7 +157,7 @@ ISR(INT0_vect)
{
if (eps[1].state == EP_IDLE) {
led(1);
irq_serial++;
irq_serial = (irq_serial+1) | 0x80;
usb_send(&eps[1], &irq_serial, 1, done, NULL);
}
}