/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2011.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
+ without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
int main(void)
{
SetupHardware();
-
+
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
sei();
*/
void EVENT_USB_Device_ConfigurationChanged(void)
{
- /* Indicate USB connected and ready */
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
+ bool ConfigSuccess = true;
- /* Setup Generic IN Report Endpoint */
- if (!(Endpoint_ConfigureEndpoint(GENERIC_IN_EPNUM, EP_TYPE_INTERRUPT,
- ENDPOINT_DIR_IN, GENERIC_EPSIZE,
- ENDPOINT_BANK_SINGLE)))
- {
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- }
-
- /* Setup Generic OUT Report Endpoint */
- if (!(Endpoint_ConfigureEndpoint(GENERIC_OUT_EPNUM, EP_TYPE_INTERRUPT,
- ENDPOINT_DIR_OUT, GENERIC_EPSIZE,
- ENDPOINT_BANK_SINGLE)))
- {
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- }
+ /* Setup HID Report Endpoints */
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(GENERIC_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
+ GENERIC_EPSIZE, ENDPOINT_BANK_SINGLE);
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(GENERIC_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
+ GENERIC_EPSIZE, ENDPOINT_BANK_SINGLE);
+
+ /* Indicate endpoint configuration success or failure */
+ LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
}
-/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific
- * control requests that are not handled internally by the USB library (including the HID commands, which are
- * all issued via the control endpoint), so that they can be handled appropriately for the application.
+/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
+ * the device from the USB host before passing along unhandled control requests to the library for processing
+ * internally.
*/
-void EVENT_USB_Device_UnhandledControlRequest(void)
+void EVENT_USB_Device_ControlRequest(void)
{
/* Handle HID Class specific requests */
switch (USB_ControlRequest.bRequest)
{
- case REQ_GetReport:
+ case HID_REQ_GetReport:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
uint8_t GenericData[GENERIC_REPORT_SIZE];
+ CreateGenericHIDReport(GenericData);
Endpoint_ClearSETUP();
-
- CreateGenericHIDReport(GenericData);
/* Write the report data to the control endpoint */
Endpoint_Write_Control_Stream_LE(&GenericData, sizeof(GenericData));
-
- /* Finalize the stream transfer to send the last packet or clear the host abort */
Endpoint_ClearOUT();
}
-
+
break;
- case REQ_SetReport:
+ case HID_REQ_SetReport:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
uint8_t GenericData[GENERIC_REPORT_SIZE];
Endpoint_ClearSETUP();
-
- /* Wait until the generic report has been sent by the host */
- while (!(Endpoint_IsOUTReceived()))
- {
- if (USB_DeviceState == DEVICE_STATE_Unattached)
- return;
- }
+ /* Read the report data from the control endpoint */
Endpoint_Read_Control_Stream_LE(&GenericData, sizeof(GenericData));
+ Endpoint_ClearIN();
ProcessGenericHIDReport(GenericData);
-
- /* Clear the endpoint data */
- Endpoint_ClearOUT();
-
- /* Wait until the host is ready to receive the request confirmation */
- while (!(Endpoint_IsINReady()))
- {
- if (USB_DeviceState == DEVICE_STATE_Unattached)
- return;
- }
-
- /* Handshake the request by sending an empty IN packet */
- Endpoint_ClearIN();
}
-
+
break;
}
}
-/** Function to process the lest received report from the host.
+/** Function to process the last received report from the host.
*
- * \param[in] DataArray Pointer to a buffer where the last report data is stored
+ * \param[in] DataArray Pointer to a buffer where the last received report has been stored
*/
void ProcessGenericHIDReport(uint8_t* DataArray)
{
DataArray is an array holding the last report from the host. This function is called
each time the host has sent a report to the device.
*/
-
+
for (uint8_t i = 0; i < GENERIC_REPORT_SIZE; i++)
LastReceived[i] = DataArray[i];
}
{
/*
This is where you need to create reports to be sent to the host from the device. This
- function is called each time the host is ready to accept a new report. DataArray is
+ function is called each time the host is ready to accept a new report. DataArray is
an array to hold the report to the host.
*/
return;
Endpoint_SelectEndpoint(GENERIC_OUT_EPNUM);
-
+
/* Check to see if a packet has been sent from the host */
if (Endpoint_IsOUTReceived())
{
{
/* Create a temporary buffer to hold the read in report from the host */
uint8_t GenericData[GENERIC_REPORT_SIZE];
-
+
/* Read Generic Report Data */
- Endpoint_Read_Stream_LE(&GenericData, sizeof(GenericData));
-
+ Endpoint_Read_Stream_LE(&GenericData, sizeof(GenericData), NULL);
+
/* Process Generic Report Data */
ProcessGenericHIDReport(GenericData);
}
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearOUT();
- }
+ }
Endpoint_SelectEndpoint(GENERIC_IN_EPNUM);
-
+
/* Check to see if the host is ready to accept another packet */
if (Endpoint_IsINReady())
{
/* Create a temporary buffer to hold the report to send to the host */
uint8_t GenericData[GENERIC_REPORT_SIZE];
-
+
/* Create Generic Report Data */
CreateGenericHIDReport(GenericData);
/* Write Generic Report Data */
- Endpoint_Write_Stream_LE(&GenericData, sizeof(GenericData));
+ Endpoint_Write_Stream_LE(&GenericData, sizeof(GenericData), NULL);
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
}
}
+
projects / pub / USBasp.git / blobdiff