Fix to HID device mode Class driver, so that new reports are compared against the old, and updated reports made within the idle period are sent immediately to the host.

pull/1469/head
Dean Camera 16 years ago
parent ec079c71d8
commit 72932e2780

@ -48,8 +48,6 @@ USB_ClassInfo_HID_Device_t Generic_HID_Interface =
.ReportINEndpointNumber = GENERIC_IN_EPNUM, .ReportINEndpointNumber = GENERIC_IN_EPNUM,
.ReportINEndpointSize = GENERIC_EPSIZE, .ReportINEndpointSize = GENERIC_EPSIZE,
.ReportINBufferSize = GENERIC_REPORT_SIZE,
}, },
}; };

@ -48,8 +48,6 @@ USB_ClassInfo_HID_Device_t Joystick_HID_Interface =
.ReportINEndpointNumber = JOYSTICK_EPNUM, .ReportINEndpointNumber = JOYSTICK_EPNUM,
.ReportINEndpointSize = JOYSTICK_EPSIZE, .ReportINEndpointSize = JOYSTICK_EPSIZE,
.ReportINBufferSize = sizeof(USB_JoystickReport_Data_t),
}, },
}; };

@ -49,8 +49,6 @@ USB_ClassInfo_HID_Device_t Keyboard_HID_Interface =
.ReportINEndpointNumber = KEYBOARD_EPNUM, .ReportINEndpointNumber = KEYBOARD_EPNUM,
.ReportINEndpointSize = KEYBOARD_EPSIZE, .ReportINEndpointSize = KEYBOARD_EPSIZE,
.ReportINBufferSize = sizeof(USB_KeyboardReport_Data_t),
}, },
}; };

@ -50,8 +50,6 @@ USB_ClassInfo_HID_Device_t Keyboard_HID_Interface =
.ReportINEndpointNumber = KEYBOARD_IN_EPNUM, .ReportINEndpointNumber = KEYBOARD_IN_EPNUM,
.ReportINEndpointSize = HID_EPSIZE, .ReportINEndpointSize = HID_EPSIZE,
.ReportINBufferSize = sizeof(USB_KeyboardReport_Data_t),
}, },
}; };
@ -68,8 +66,6 @@ USB_ClassInfo_HID_Device_t Mouse_HID_Interface =
.ReportINEndpointNumber = MOUSE_IN_EPNUM, .ReportINEndpointNumber = MOUSE_IN_EPNUM,
.ReportINEndpointSize = HID_EPSIZE, .ReportINEndpointSize = HID_EPSIZE,
.ReportINBufferSize = sizeof(USB_MouseReport_Data_t),
}, },
.State = .State =

@ -48,8 +48,6 @@ USB_ClassInfo_HID_Device_t Mouse_HID_Interface =
.ReportINEndpointNumber = MOUSE_EPNUM, .ReportINEndpointNumber = MOUSE_EPNUM,
.ReportINEndpointSize = MOUSE_EPSIZE, .ReportINEndpointSize = MOUSE_EPSIZE,
.ReportINBufferSize = sizeof(USB_MouseReport_Data_t),
}, },
}; };

@ -51,7 +51,7 @@ void HID_Device_ProcessControlPacket(USB_ClassInfo_HID_Device_t* const HIDInterf
{ {
Endpoint_ClearSETUP(); Endpoint_ClearSETUP();
uint8_t ReportINData[HIDInterfaceInfo->Config.ReportINBufferSize]; uint8_t ReportINData[HID_MAX_REPORT_SIZE];
uint16_t ReportINSize; uint16_t ReportINSize;
uint8_t ReportID = (USB_ControlRequest.wValue & 0xFF); uint8_t ReportID = (USB_ControlRequest.wValue & 0xFF);
@ -150,27 +150,32 @@ bool HID_Device_ConfigureEndpoints(USB_ClassInfo_HID_Device_t* const HIDInterfac
void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)
{ {
static uint8_t PreviousReportINData[HID_MAX_REPORT_SIZE];
if (USB_DeviceState != DEVICE_STATE_Configured) if (USB_DeviceState != DEVICE_STATE_Configured)
return; return;
Endpoint_SelectEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber); Endpoint_SelectEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber);
if (Endpoint_IsReadWriteAllowed() && if (Endpoint_IsReadWriteAllowed())
!(HIDInterfaceInfo->State.IdleCount && HIDInterfaceInfo->State.IdleMSRemaining))
{ {
if (HIDInterfaceInfo->State.IdleCount && !(HIDInterfaceInfo->State.IdleMSRemaining)) uint8_t ReportINData[HID_MAX_REPORT_SIZE];
HIDInterfaceInfo->State.IdleMSRemaining = HIDInterfaceInfo->State.IdleCount;
uint8_t ReportINData[HIDInterfaceInfo->Config.ReportINBufferSize];
uint16_t ReportINSize;
uint8_t ReportID = 0; uint8_t ReportID = 0;
uint16_t ReportINSize;
memset(ReportINData, 0, sizeof(ReportINData)); memset(ReportINData, 0, sizeof(ReportINData));
ReportINSize = CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID, ReportINData); ReportINSize = CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID, ReportINData);
if (ReportINSize) bool StatesChanged = (memcmp(ReportINData, PreviousReportINData, ReportINSize) != 0);
bool IdlePeriodElapsed = (HIDInterfaceInfo->State.IdleCount && !(HIDInterfaceInfo->State.IdleMSRemaining));
memcpy(PreviousReportINData, ReportINData, ReportINSize);
if (ReportINSize && (StatesChanged || IdlePeriodElapsed))
{ {
HIDInterfaceInfo->State.IdleMSRemaining = HIDInterfaceInfo->State.IdleCount;
if (ReportID) if (ReportID)
Endpoint_Write_Stream_LE(&ReportID, sizeof(ReportID), NO_STREAM_CALLBACK); Endpoint_Write_Stream_LE(&ReportID, sizeof(ReportID), NO_STREAM_CALLBACK);

@ -56,6 +56,17 @@
#endif #endif
/* Public Interface - May be used in end-application: */ /* Public Interface - May be used in end-application: */
/* Macros: */
#if !defined(HID_MAX_REPORT_SIZE)
/** Maximum size of an IN report which can be generated by the device and sent to the host, in bytes.
*
* \note If larger reports than the default specified here are to be generated by the device, this
* value can be overridden by defining this token to the required value in the project makefile
* and passing it to the compiler via the -D switch.
*/
#define HID_MAX_REPORT_SIZE 16
#endif
/* Type Defines: */ /* Type Defines: */
/** Class state structure. An instance of this structure should be made for each HID interface /** Class state structure. An instance of this structure should be made for each HID interface
* within the user application, and passed to each of the HID class driver functions as the * within the user application, and passed to each of the HID class driver functions as the
@ -69,18 +80,14 @@
uint8_t ReportINEndpointNumber; /**< Endpoint number of the HID interface's IN report endpoint */ uint8_t ReportINEndpointNumber; /**< Endpoint number of the HID interface's IN report endpoint */
uint16_t ReportINEndpointSize; /**< Size in bytes of the HID interface's IN report endpoint */ uint16_t ReportINEndpointSize; /**< Size in bytes of the HID interface's IN report endpoint */
uint8_t ReportINBufferSize; /**< Size of the largest possible report to send to the host, for
* buffer allocation purposes
*/
} Config; /**< Config data for the USB class interface within the device. All elements in this section } Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly. * <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/ */
struct struct
{ {
bool UsingReportProtocol; /**< Indicates if the HID interface is set to Boot or Report protocol mode */ bool UsingReportProtocol; /**< Indicates if the HID interface is set to Boot or Report protocol mode */
uint16_t IdleCount; /**< Report idle period, in ms, set by the host */ uint16_t IdleCount; /**< Report idle period, in mS, set by the host */
uint16_t IdleMSRemaining; /**< Total number of ms remaining before the idle period elapsed - this should be uint16_t IdleMSRemaining; /**< Total number of mS remaining before the idle period elapsed - this should be
* decremented by the user application if non-zero each millisecond */ * decremented by the user application if non-zero each millisecond */
} State; /**< State data for the USB class interface within the device. All elements in this section } State; /**< State data for the USB class interface within the device. All elements in this section
* are reset to their defaults when the interface is enumerated. * are reset to their defaults when the interface is enumerated.

@ -57,8 +57,6 @@ USB_ClassInfo_HID_Device_t Keyboard_HID_Interface =
.ReportINEndpointNumber = KEYBOARD_EPNUM, .ReportINEndpointNumber = KEYBOARD_EPNUM,
.ReportINEndpointSize = KEYBOARD_EPSIZE, .ReportINEndpointSize = KEYBOARD_EPSIZE,
.ReportINBufferSize = sizeof(USB_KeyboardReport_Data_t),
}, },
}; };

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