Add missing "used" attribute to ATTR_INIT_SECTION to ensure functions declared with...

[pub/USBasp.git] / Demos / Device / LowLevel / GenericHID / GenericHID.c

diff --git a/Demos/Device/LowLevel/GenericHID/GenericHID.c b/Demos/Device/LowLevel/GenericHID/GenericHID.c
index 5146efd..69c4176 100644 (file)
--- a/Demos/Device/LowLevel/GenericHID/GenericHID.c
+++ b/Demos/Device/LowLevel/GenericHID/GenericHID.c
@@ -1,21 +1,21 @@
 /*
              LUFA Library
 /*
              LUFA Library

-     Copyright (C) Dean Camera, 2010.
-              
+     Copyright (C) Dean Camera, 2011.
+

   dean [at] fourwalledcubicle [dot] com
   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
   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
   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
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this


@@ -36,9 +36,6 @@
 
 #include "GenericHID.h"
 
 
 #include "GenericHID.h"
 

-/** 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];
-

 
 /** Main program entry point. This routine configures the hardware required by the application, then
  *  enters a loop to run the application tasks in sequence.
 
 /** Main program entry point. This routine configures the hardware required by the application, then
  *  enters a loop to run the application tasks in sequence.


@@ -46,7 +43,7 @@ static uint8_t LastReceived[GENERIC_REPORT_SIZE];
 int main(void)
 {
        SetupHardware();
 int main(void)
 {
        SetupHardware();

-       
+

        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
        sei();
 
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
        sei();
 


@@ -107,82 +104,74 @@ void EVENT_USB_Device_ConfigurationChanged(void)
        LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
 }
 
        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)
        {
 {
        /* 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];
                        if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
                        {
                                uint8_t GenericData[GENERIC_REPORT_SIZE];

+                               CreateGenericHIDReport(GenericData);

 
                                Endpoint_ClearSETUP();
 
                                Endpoint_ClearSETUP();

-       
-                               CreateGenericHIDReport(GenericData);

 
                                /* Write the report data to the control endpoint */
                                Endpoint_Write_Control_Stream_LE(&GenericData, sizeof(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();
                        }
                                Endpoint_ClearOUT();
                        }

-               
+

                        break;
                        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();
                        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_Read_Control_Stream_LE(&GenericData, sizeof(GenericData));

+                               Endpoint_ClearIN();

 
                                ProcessGenericHIDReport(GenericData);
 
                                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;
        }
 }
 
                        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)
 {
        /*
  */
 void ProcessGenericHIDReport(uint8_t* DataArray)
 {
        /*

-               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.
+               This is where you need to process reports sent from the host to the device. This
+               function is called each time the host has sent a new report. DataArray is an array
+               holding the report sent from the host.

        */
        */

-       
-       for (uint8_t i = 0; i < GENERIC_REPORT_SIZE; i++)
-         LastReceived[i] = DataArray[i];
+
+       uint8_t NewLEDMask = LEDS_NO_LEDS;      
+
+       if (DataArray[0])
+         NewLEDMask |= LEDS_LED1;
+
+       if (DataArray[1])
+         NewLEDMask |= LEDS_LED1;
+
+       if (DataArray[2])
+         NewLEDMask |= LEDS_LED1;
+
+       if (DataArray[3])
+         NewLEDMask |= LEDS_LED1;
+         
+       LEDs_SetAllLEDs(NewLEDMask);

 }
 
 /** Function to create the next report to send back to the host at the next reporting interval.
 }
 
 /** Function to create the next report to send back to the host at the next reporting interval.


@@ -193,12 +182,16 @@ void CreateGenericHIDReport(uint8_t* DataArray)
 {
        /*
                This is where you need to create reports to be sent to the host from the device. This
 {
        /*
                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.
        */
 
                an array to hold the report to the host.
        */
 

-       for (uint8_t i = 0; i < GENERIC_REPORT_SIZE; i++)
-         DataArray[i] = LastReceived[i];
+       uint8_t CurrLEDMask = LEDs_GetLEDs();
+               
+       DataArray[0] = ((CurrLEDMask & LEDS_LED1) ? 1 : 0);
+       DataArray[1] = ((CurrLEDMask & LEDS_LED2) ? 1 : 0);
+       DataArray[2] = ((CurrLEDMask & LEDS_LED3) ? 1 : 0);
+       DataArray[3] = ((CurrLEDMask & LEDS_LED4) ? 1 : 0);

 }
 
 void HID_Task(void)
 }
 
 void HID_Task(void)


@@ -208,7 +201,7 @@ void HID_Task(void)
          return;
 
        Endpoint_SelectEndpoint(GENERIC_OUT_EPNUM);
          return;
 
        Endpoint_SelectEndpoint(GENERIC_OUT_EPNUM);

-       
+

        /* Check to see if a packet has been sent from the host */
        if (Endpoint_IsOUTReceived())
        {
        /* Check to see if a packet has been sent from the host */
        if (Endpoint_IsOUTReceived())
        {


@@ -217,33 +210,34 @@ void HID_Task(void)
                {
                        /* Create a temporary buffer to hold the read in report from the host */
                        uint8_t GenericData[GENERIC_REPORT_SIZE];
                {
                        /* Create a temporary buffer to hold the read in report from the host */
                        uint8_t GenericData[GENERIC_REPORT_SIZE];

-                       
+

                        /* Read Generic Report Data */
                        /* 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();
                        /* Process Generic Report Data */
                        ProcessGenericHIDReport(GenericData);
                }
 
                /* Finalize the stream transfer to send the last packet */
                Endpoint_ClearOUT();

-       }       
+       }

 
        Endpoint_SelectEndpoint(GENERIC_IN_EPNUM);
 
        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];
        /* 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 */
                /* 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();
        }
 }
 
                /* Finalize the stream transfer to send the last packet */
                Endpoint_ClearIN();
        }
 }

+