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Added new EVENT_USB_Device_StartOfFrame() event, controlled by the new USB_Device_EnableSOFEvents() and USB_Device_DisableSOFEvents() macros to give bus-synchronised millisecond interrupts when in USB device mode.

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This commit is contained in:
Dean Camera 2009-08-16 08:51:54 +00:00
parent 25ddbb9e3b
commit b71ff7c8cd
23 changed files with 83 additions and 75 deletions
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14
Demos/Device/ClassDriver/GenericHID/GenericHID.c
View file

@ -94,18 +94,12 @@ void SetupHardware(void)
/* Hardware Initialization */
LEDs_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);
}
/** Event handler for the library USB Connection event. */
void EVENT_USB_Device_Connect(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
}
/** Event handler for the library USB Disconnection event. */
@ -121,6 +115,8 @@ void EVENT_USB_Device_ConfigurationChanged(void)
if (!(HID_Device_ConfigureEndpoints(&Generic_HID_Interface)))
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_Device_EnableSOFEvents();
}
/** Event handler for the library USB Unhandled Control Request event. */
@ -129,8 +125,8 @@ void EVENT_USB_Device_UnhandledControlRequest(void)
HID_Device_ProcessControlRequest(&Generic_HID_Interface);
}
/** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */
ISR(TIMER0_COMPA_vect, ISR_BLOCK)
/** Event handler for the USB device Start Of Frame event. */
void EVENT_USB_Device_StartOfFrame(void)
{
HID_Device_MillisecondElapsed(&Generic_HID_Interface);
}

3
Demos/Device/ClassDriver/GenericHID/GenericHID.h
View file

@ -40,8 +40,6 @@
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/power.h>
#include <avr/interrupt.h>
#include <stdbool.h>
#include <string.h>
#include "Descriptors.h"
@ -71,6 +69,7 @@
void EVENT_USB_Device_Disconnect(void);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_UnhandledControlRequest(void);
void EVENT_USB_Device_StartOfFrame(void);
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
void* ReportData, uint16_t* ReportSize);

12
Demos/Device/ClassDriver/Joystick/Joystick.c
View file

@ -88,12 +88,6 @@ void SetupHardware(void)
LEDs_Init();
Buttons_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);
}
/** Event handler for the library USB Connection event. */
@ -115,6 +109,8 @@ void EVENT_USB_Device_ConfigurationChanged(void)
if (!(HID_Device_ConfigureEndpoints(&Joystick_HID_Interface)))
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_Device_EnableSOFEvents();
}
/** Event handler for the library USB Unhandled Control Request event. */
@ -123,8 +119,8 @@ void EVENT_USB_Device_UnhandledControlRequest(void)
HID_Device_ProcessControlRequest(&Joystick_HID_Interface);
}
/** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */
ISR(TIMER0_COMPA_vect, ISR_BLOCK)
/** Event handler for the USB device Start Of Frame event. */
void EVENT_USB_Device_StartOfFrame(void)
{
HID_Device_MillisecondElapsed(&Joystick_HID_Interface);
}

1
Demos/Device/ClassDriver/Joystick/Joystick.h
View file

@ -82,6 +82,7 @@
void EVENT_USB_Device_Disconnect(void);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_UnhandledControlRequest(void);
void EVENT_USB_Device_StartOfFrame(void);
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
void* ReportData, uint16_t* ReportSize);

12
Demos/Device/ClassDriver/Keyboard/Keyboard.c
View file

@ -89,12 +89,6 @@ void SetupHardware()
LEDs_Init();
Buttons_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);
}
/** Event handler for the library USB Connection event. */
@ -116,6 +110,8 @@ void EVENT_USB_Device_ConfigurationChanged(void)
if (!(HID_Device_ConfigureEndpoints(&Keyboard_HID_Interface)))
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_Device_EnableSOFEvents();
}
/** Event handler for the library USB Unhandled Control Request event. */
@ -124,8 +120,8 @@ void EVENT_USB_Device_UnhandledControlRequest(void)
HID_Device_ProcessControlRequest(&Keyboard_HID_Interface);
}
/** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */
ISR(TIMER0_COMPA_vect, ISR_BLOCK)
/** Event handler for the USB device Start Of Frame event. */
void EVENT_USB_Device_StartOfFrame(void)
{
HID_Device_MillisecondElapsed(&Keyboard_HID_Interface);
}

1
Demos/Device/ClassDriver/Keyboard/Keyboard.h
View file

@ -85,6 +85,7 @@
void EVENT_USB_Device_Disconnect(void);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_UnhandledControlRequest(void);
void EVENT_USB_Device_StartOfFrame(void);
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
void* ReportData, uint16_t* ReportSize);

12
Demos/Device/ClassDriver/KeyboardMouse/KeyboardMouse.c
View file

@ -112,12 +112,6 @@ void SetupHardware()
Joystick_Init();
LEDs_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);
}
/** Event handler for the library USB Connection event. */
@ -142,6 +136,8 @@ void EVENT_USB_Device_ConfigurationChanged(void)
if (!(HID_Device_ConfigureEndpoints(&Mouse_HID_Interface)))
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_Device_EnableSOFEvents();
}
/** Event handler for the library USB Unhandled Control Request event. */
@ -151,8 +147,8 @@ void EVENT_USB_Device_UnhandledControlRequest(void)
HID_Device_ProcessControlRequest(&Mouse_HID_Interface);
}
/** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */
ISR(TIMER0_COMPA_vect, ISR_BLOCK)
/** Event handler for the USB device Start Of Frame event. */
void EVENT_USB_Device_StartOfFrame(void)
{
HID_Device_MillisecondElapsed(&Keyboard_HID_Interface);
HID_Device_MillisecondElapsed(&Mouse_HID_Interface);

1
Demos/Device/ClassDriver/KeyboardMouse/KeyboardMouse.h
View file

@ -89,6 +89,7 @@
void EVENT_USB_Device_Disconnect(void);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_UnhandledControlRequest(void);
void EVENT_USB_Device_StartOfFrame(void);
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
void* ReportData, uint16_t* ReportSize);

12
Demos/Device/ClassDriver/Mouse/Mouse.c
View file

@ -88,12 +88,6 @@ void SetupHardware(void)
LEDs_Init();
Buttons_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);
}
/** Event handler for the library USB WakeUp event. */
@ -115,6 +109,8 @@ void EVENT_USB_Device_ConfigurationChanged(void)
if (!(HID_Device_ConfigureEndpoints(&Mouse_HID_Interface)))
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_Device_EnableSOFEvents();
}
/** Event handler for the library USB Unhandled Control Request event. */
@ -123,8 +119,8 @@ void EVENT_USB_Device_UnhandledControlRequest(void)
HID_Device_ProcessControlRequest(&Mouse_HID_Interface);
}
/** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */
ISR(TIMER0_COMPA_vect, ISR_BLOCK)
/** Event handler for the USB device Start Of Frame event. */
void EVENT_USB_Device_StartOfFrame(void)
{
HID_Device_MillisecondElapsed(&Mouse_HID_Interface);
}

1
Demos/Device/ClassDriver/Mouse/Mouse.h
View file

@ -84,6 +84,7 @@
void EVENT_USB_Device_Disconnect(void);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_UnhandledControlRequest(void);
void EVENT_USB_Device_StartOfFrame(void);
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
void* ReportData, uint16_t* ReportSize);

2
Demos/Device/LowLevel/GenericHID/GenericHID.h
View file

@ -40,7 +40,6 @@
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/power.h>
#include <avr/interrupt.h>
#include <stdbool.h>
#include <string.h>
@ -77,6 +76,7 @@
void EVENT_USB_Device_Disconnect(void);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_UnhandledControlRequest(void);
void EVENT_USB_Device_StartOfFrame(void);
void ProcessGenericHIDReport(uint8_t* DataArray);
void CreateGenericHIDReport(uint8_t* DataArray);

14
Demos/Device/LowLevel/Keyboard/Keyboard.c
View file

@ -85,12 +85,6 @@ void SetupHardware(void)
Joystick_Init();
LEDs_Init();
USB_Init();
/* Millisecond timer initialization, with output compare interrupt enabled for the idle timing */
OCR0A = 0x7D;
TCCR0A = (1 << WGM01);
TCCR0B = ((1 << CS01) | (1 << CS00));
TIMSK0 = (1 << OCIE0A);
}
/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
@ -137,6 +131,8 @@ void EVENT_USB_Device_ConfigurationChanged(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
USB_Device_EnableSOFEvents();
}
/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific
@ -248,10 +244,8 @@ void EVENT_USB_Device_UnhandledControlRequest(void)
}
}
/** ISR for the timer 0 compare vector. This ISR fires once each millisecond, and increments the
* scheduler elapsed idle period counter when the host has set an idle period.
*/
ISR(TIMER0_COMPA_vect, ISR_BLOCK)
/** Event handler for the USB device Start Of Frame event. */
void EVENT_USB_Device_StartOfFrame(void)
{
/* One millisecond has elapsed, decrement the idle time remaining counter if it has not already elapsed */
if (IdleMSRemaining)

2
Demos/Device/LowLevel/Keyboard/Keyboard.h
View file

@ -40,7 +40,6 @@
/* Includes: */
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#include <stdbool.h>
#include <string.h>
@ -105,6 +104,7 @@
void EVENT_USB_Device_Disconnect(void);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_UnhandledControlRequest(void);
void EVENT_USB_Device_StartOfFrame(void);
void CreateKeyboardReport(USB_KeyboardReport_Data_t* ReportData);
void ProcessLEDReport(uint8_t LEDReport);

1
Demos/Device/LowLevel/KeyboardMouse/KeyboardMouse.h
View file

@ -102,5 +102,6 @@
void EVENT_USB_Device_Disconnect(void);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_UnhandledControlRequest(void);
void EVENT_USB_Device_StartOfFrame(void);
#endif

14
Demos/Device/LowLevel/Mouse/Mouse.c
View file

@ -85,12 +85,6 @@ void SetupHardware(void)
LEDs_Init();
Buttons_Init();
USB_Init();
/* Millisecond timer initialization, with output compare interrupt enabled for the idle timing */
OCR0A = 0x7D;
TCCR0A = (1 << WGM01);
TCCR0B = ((1 << CS01) | (1 << CS00));
TIMSK0 = (1 << OCIE0A);
}
/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
@ -129,6 +123,8 @@ void EVENT_USB_Device_ConfigurationChanged(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
USB_Device_EnableSOFEvents();
}
/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific
@ -218,10 +214,8 @@ void EVENT_USB_Device_UnhandledControlRequest(void)
}
}
/** ISR for the timer 0 compare vector. This ISR fires once each millisecond, and increments the
* scheduler elapsed idle period counter when the host has set an idle period.
*/
ISR(TIMER0_COMPA_vect, ISR_BLOCK)
/** Event handler for the USB device Start Of Frame event. */
void EVENT_USB_Device_StartOfFrame(void)
{
/* One millisecond has elapsed, decrement the idle time remaining counter if it has not already elapsed */
if (IdleMSRemaining)

2
Demos/Device/LowLevel/Mouse/Mouse.h
View file

@ -39,7 +39,6 @@
/* Includes: */
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#include <stdbool.h>
#include <string.h>
@ -105,6 +104,7 @@
void EVENT_USB_Device_Disconnect(void);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_UnhandledControlRequest(void);
void EVENT_USB_Device_StartOfFrame(void);
void CreateMouseReport(USB_MouseReport_Data_t* ReportData);