diff options
Diffstat (limited to 'Demos/Device/GenericHID/GenericHID.c')
| -rw-r--r-- | Demos/Device/GenericHID/GenericHID.c | 243 |
1 files changed, 38 insertions, 205 deletions
diff --git a/Demos/Device/GenericHID/GenericHID.c b/Demos/Device/GenericHID/GenericHID.c index 058d269fe..4dfb8e455 100644 --- a/Demos/Device/GenericHID/GenericHID.c +++ b/Demos/Device/GenericHID/GenericHID.c @@ -28,30 +28,38 @@ this software.
*/
-/** \file
- *
- * Main source file for the GenericHID demo. This file contains the main tasks of the demo and
- * is responsible for the initial application hardware configuration.
- */
-
#include "GenericHID.h"
-/* Scheduler Task List */
-TASK_LIST
-{
- { .Task = USB_USBTask , .TaskStatus = TASK_STOP },
- { .Task = USB_HID_Report , .TaskStatus = TASK_STOP },
-};
+USB_ClassInfo_HID_t Generic_HID_Interface =
+ {
+ .InterfaceNumber = 0,
-/** Static buffer to hold the last received report from the host, so that it can be echoed back in the next sent report */
-static uint8_t LastReceived[GENERIC_REPORT_SIZE];
+ .ReportINEndpointNumber = GENERIC_IN_EPNUM,
+ .ReportINEndpointSize = GENERIC_EPSIZE,
+
+ .ReportOUTEndpointNumber = GENERIC_OUT_EPNUM,
+ .ReportOUTEndpointSize = GENERIC_EPSIZE,
+
+ .ReportBufferSize = GENERIC_REPORT_SIZE,
+ .UsingReportProtocol = true,
+ };
-/** Main program entry point. This routine configures the hardware required by the application, then
- * starts the scheduler to run the USB management task.
- */
int main(void)
{
+ SetupHardware();
+
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+
+ for (;;)
+ {
+ USB_HID_USBTask(&Generic_HID_Interface);
+ USB_USBTask();
+ }
+}
+
+void SetupHardware(void)
+{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
wdt_disable();
@@ -61,220 +69,45 @@ int main(void) /* Hardware Initialization */
LEDs_Init();
-
- /* Indicate USB not ready */
- UpdateStatus(Status_USBNotReady);
-
- /* Initialize Scheduler so that it can be used */
- Scheduler_Init();
-
- /* Initialize USB Subsystem */
USB_Init();
-
- /* Scheduling - routine never returns, so put this last in the main function */
- Scheduler_Start();
}
-/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
- * starts the library USB task to begin the enumeration and USB management process.
- */
void EVENT_USB_Connect(void)
{
- /* Start USB management task */
- Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);
-
- /* Indicate USB enumerating */
- UpdateStatus(Status_USBEnumerating);
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
}
-/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via
- * the status LEDs and stops the USB management task.
- */
void EVENT_USB_Disconnect(void)
{
- /* Stop running HID reporting and USB management tasks */
- Scheduler_SetTaskMode(USB_HID_Report, TASK_STOP);
- Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);
-
- /* Indicate USB not ready */
- UpdateStatus(Status_USBNotReady);
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
}
-/** Event handler for the USB_ConfigurationChanged event. This is fired when the host sets the current configuration
- * of the USB device after enumeration, and configures the generic HID device endpoints.
- */
void EVENT_USB_ConfigurationChanged(void)
{
- /* Setup Generic IN Report Endpoint */
- Endpoint_ConfigureEndpoint(GENERIC_IN_EPNUM, EP_TYPE_INTERRUPT,
- ENDPOINT_DIR_IN, GENERIC_EPSIZE,
- ENDPOINT_BANK_SINGLE);
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
- /* Setup Generic OUT Report Endpoint */
- Endpoint_ConfigureEndpoint(GENERIC_OUT_EPNUM, EP_TYPE_INTERRUPT,
- ENDPOINT_DIR_OUT, GENERIC_EPSIZE,
- ENDPOINT_BANK_SINGLE);
-
- /* Indicate USB connected and ready */
- UpdateStatus(Status_USBReady);
+ if (!(USB_HID_ConfigureEndpoints(&Generic_HID_Interface)))
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
-/** Event handler for the USB_UnhandledControlPacket 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.
- */
void EVENT_USB_UnhandledControlPacket(void)
{
- /* Handle HID Class specific requests */
- switch (USB_ControlRequest.bRequest)
- {
- case REQ_GetReport:
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
- {
- uint8_t GenericData[GENERIC_REPORT_SIZE];
-
- 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:
- 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()));
-
- Endpoint_Read_Control_Stream_LE(&GenericData, sizeof(GenericData));
-
- ProcessGenericHIDReport(GenericData);
-
- /* Clear the endpoint data */
- Endpoint_ClearOUT();
-
- /* Wait until the host is ready to receive the request confirmation */
- while (!(Endpoint_IsINReady()));
-
- /* Handshake the request by sending an empty IN packet */
- Endpoint_ClearIN();
- }
-
- break;
- }
+ USB_HID_ProcessControlPacket(&Generic_HID_Interface);
}
-/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to
- * log to a serial port, or anything else that is suitable for status updates.
- *
- * \param CurrentStatus Current status of the system, from the GenericHID_StatusCodes_t enum
- */
-void UpdateStatus(uint8_t CurrentStatus)
+void EVENT_USB_StartOfFrame(void)
{
- uint8_t LEDMask = LEDS_NO_LEDS;
-
- /* Set the LED mask to the appropriate LED mask based on the given status code */
- switch (CurrentStatus)
- {
- case Status_USBNotReady:
- LEDMask = (LEDS_LED1);
- break;
- case Status_USBEnumerating:
- LEDMask = (LEDS_LED1 | LEDS_LED2);
- break;
- case Status_USBReady:
- LEDMask = (LEDS_LED2 | LEDS_LED4);
- break;
- }
-
- /* Set the board LEDs to the new LED mask */
- LEDs_SetAllLEDs(LEDMask);
+ USB_HID_RegisterStartOfFrame(&Generic_HID_Interface);
}
-/** Function to process the lest received report from the host.
- *
- * \param DataArray Pointer to a buffer where the last report data is stored
- */
-void ProcessGenericHIDReport(uint8_t* DataArray)
+uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData)
{
- /*
- This is where you need to process the reports being sent from the host to the device.
- 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.
- */
+ // Create generic HID report here
- for (uint8_t i = 0; i < GENERIC_REPORT_SIZE; i++)
- LastReceived[i] = DataArray[i];
+ return 0;
}
-/** Function to create the next report to send back to the host at the next reporting interval.
- *
- * \param DataArray Pointer to a buffer where the next report data should be stored
- */
-void CreateGenericHIDReport(uint8_t* DataArray)
+void CALLBACK_USB_HID_ProcessReceivedHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData, uint16_t ReportSize)
{
- /*
- 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
- an array to hold the report to the host.
- */
-
- for (uint8_t i = 0; i < GENERIC_REPORT_SIZE; i++)
- DataArray[i] = LastReceived[i];
-}
-
-TASK(USB_HID_Report)
-{
- /* Check if the USB system is connected to a host */
- if (USB_IsConnected)
- {
- Endpoint_SelectEndpoint(GENERIC_OUT_EPNUM);
-
- /* Check to see if a packet has been sent from the host */
- if (Endpoint_IsOUTReceived())
- {
- /* Check to see if the packet contains data */
- if (Endpoint_IsReadWriteAllowed())
- {
- /* 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));
-
- /* 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));
-
- /* Finalize the stream transfer to send the last packet */
- Endpoint_ClearIN();
- }
- }
+ // Process received generic HID report here
}
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