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Removed new Start of Frame event from the library; performance suffered far too much and it was only useful in one of the standard classes (HID). Altered HID demos to use the previous method of tracking millisecond periods via a hardware timer rather than the SOF events.

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Fixed MIDI class driver blocking on unread events to the host.
This commit is contained in:
Dean Camera 2009-06-02 10:54:32 +00:00
parent 74b7c07e96
commit 7c5444b89a
24 changed files with 78 additions and 109 deletions
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21
Demos/Device/KeyboardMouse/KeyboardMouse.c
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@ -41,7 +41,7 @@ USB_ClassInfo_HID_t Keyboard_HID_Interface =
.ReportOUTEndpointNumber = KEYBOARD_OUT_EPNUM,
.ReportOUTEndpointSize = HID_EPSIZE,
.ReportBufferSize = sizeof(USB_KeyboardReport_Data_t),
.ReportINBufferSize = sizeof(USB_KeyboardReport_Data_t),
.IdleCount = 500,
};
@ -53,7 +53,7 @@ USB_ClassInfo_HID_t Mouse_HID_Interface =
.ReportINEndpointNumber = MOUSE_IN_EPNUM,
.ReportINEndpointSize = HID_EPSIZE,
.ReportBufferSize = sizeof(USB_MouseReport_Data_t),
.ReportINBufferSize = sizeof(USB_MouseReport_Data_t),
.ReportOUTEndpointNumber = 0,
.ReportOUTEndpointSize = 0,
@ -85,7 +85,13 @@ void SetupHardware()
/* Hardware Initialization */
Joystick_Init();
LEDs_Init();
USB_Init();
USB_Init();
/* Millisecond timer initialization, with output compare interrupt enabled for the idle timing */
OCR0A = ((F_CPU / 64) / 1000);
TCCR0A = (1 << WGM01);
TCCR0B = ((1 << CS01) | (1 << CS00));
TIMSK0 = (1 << OCIE0A);
}
void EVENT_USB_Connect(void)
@ -115,10 +121,13 @@ void EVENT_USB_UnhandledControlPacket(void)
USB_HID_ProcessControlPacket(&Mouse_HID_Interface);
}
void EVENT_USB_StartOfFrame(void)
ISR(TIMER0_COMPA_vect, ISR_BLOCK)
{
USB_HID_RegisterStartOfFrame(&Keyboard_HID_Interface);
USB_HID_RegisterStartOfFrame(&Mouse_HID_Interface);
if (Keyboard_HID_Interface.IdleMSRemaining)
Keyboard_HID_Interface.IdleMSRemaining--;
if (Mouse_HID_Interface.IdleMSRemaining)
Mouse_HID_Interface.IdleMSRemaining--;
}
uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData)