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Fixed Mouse and Keyboard device demos not acting in accordance with the HID specification for idle periods (thanks to Brian Dickman).

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Removed support for endpoint/pipe non-control interrupts; these did not act in the way users expected, and had many subtle issues.
This commit is contained in:
Dean Camera 2009-05-12 08:28:02 +00:00
parent ea74397095
commit 958a1b4e2b
23 changed files with 98 additions and 470 deletions
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38
Demos/Host/GenericHIDHost/GenericHIDHost.c
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@ -182,10 +182,8 @@ void ReadNextReport(void)
/* Check to see if a packet has been received */
if (!(Pipe_IsINReceived()))
{
#if !defined(INTERRUPT_DATA_PIPE)
/* Refreeze HID data IN pipe */
Pipe_Freeze();
#endif
return;
}
@ -208,10 +206,8 @@ void ReadNextReport(void)
/* Clear the IN endpoint, ready for next data packet */
Pipe_ClearIN();
#if !defined(INTERRUPT_DATA_PIPE)
/* Refreeze HID data IN pipe */
Pipe_Freeze();
#endif
}
/** Writes a report to the attached device.
@ -345,43 +341,9 @@ TASK(USB_HID_Host)
USB_HostState = HOST_STATE_Ready;
break;
#if !defined(INTERRUPT_DATA_PIPE)
case HOST_STATE_Ready:
ReadNextReport();
break;
#endif
}
}
#if defined(INTERRUPT_DATA_PIPE)
/** Interrupt handler for the Endpoint/Pipe interrupt vector. This interrupt fires each time an enabled
* pipe interrupt occurs on a pipe which has had that interrupt enabled.
*/
ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)
{
/* Save previously selected pipe before selecting a new pipe */
uint8_t PrevSelectedPipe = Pipe_GetCurrentPipe();
/* Check to see if the HID data IN pipe has caused the interrupt */
if (Pipe_HasPipeInterrupted(HID_DATA_IN_PIPE))
{
/* Clear the pipe interrupt, and select the data IN pipe */
Pipe_ClearPipeInterrupt(HID_DATA_IN_PIPE);
Pipe_SelectPipe(HID_DATA_IN_PIPE);
/* Check to see if the pipe IN interrupt has fired */
if (USB_INT_HasOccurred(PIPE_INT_IN) && USB_INT_IsEnabled(PIPE_INT_IN))
{
/* Clear interrupt flag */
USB_INT_Clear(PIPE_INT_IN);
/* Read and process the next report from the device */
ReadNextReport();
}
}
/* Restore previously selected pipe */
Pipe_SelectPipe(PrevSelectedPipe);
}
#endif