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| author | Christian Starkjohann <cs+github@obdev.at> | 2010-01-25 13:15:08 +0000 |
|---|---|---|
| committer | Christian Starkjohann <cs+github@obdev.at> | 2010-01-25 13:15:08 +0000 |
| commit | 034e562341485b54da3d5636e1145e21567411e8 (patch) | |
| tree | 2b7a0ff4334b2943394dd1dfb1b91d3037097da7 | |
| parent | b3804fef62e38257c077100762230d6c0f400270 (diff) | |
| download | v-usb-034e562341485b54da3d5636e1145e21567411e8.tar.gz v-usb-034e562341485b54da3d5636e1145e21567411e8.tar.bz2 v-usb-034e562341485b54da3d5636e1145e21567411e8.zip | |
- fixed comment about interrupt routine attributes
| -rw-r--r-- | usbdrv/usbdrv.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/usbdrv/usbdrv.h b/usbdrv/usbdrv.h index 769658d..be759c2 100644 --- a/usbdrv/usbdrv.h +++ b/usbdrv/usbdrv.h @@ -105,9 +105,9 @@ interrupt routine. Interrupt latency: The application must ensure that the USB interrupt is not disabled for more than 25 cycles (this is for 12 MHz, faster clocks allow longer latency). -This implies that all interrupt routines must either be declared as "INTERRUPT" -instead of "SIGNAL" (see "avr/signal.h") or that they are written in assembler -with "sei" as the first instruction. +This implies that all interrupt routines must either have the "ISR_NOBLOCK" +attribute set (see "avr/interrupt.h") or be written in assembler with "sei" +as the first instruction. Maximum interrupt duration / CPU cycle consumption: The driver handles all USB communication during the interrupt service |