Minor documentation adjustments to the demos, projects and bootloaders to ensure...
[pub/USBasp.git] / Demos / Device / LowLevel / AudioOutput / AudioOutput.c
index c5d9363..ebf4ad5 100644 (file)
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -144,8 +144,7 @@ void EVENT_USB_Device_ConfigurationChanged(void)
        bool ConfigSuccess = true;
 
        /* Setup Audio Stream Endpoint */
        bool ConfigSuccess = true;
 
        /* Setup Audio Stream Endpoint */
-       ConfigSuccess &= Endpoint_ConfigureEndpoint(AUDIO_STREAM_EPNUM, EP_TYPE_ISOCHRONOUS, ENDPOINT_DIR_OUT,
-                                                   AUDIO_STREAM_EPSIZE, ENDPOINT_BANK_DOUBLE);
+       ConfigSuccess &= Endpoint_ConfigureEndpoint(AUDIO_STREAM_EPADDR, EP_TYPE_ISOCHRONOUS, AUDIO_STREAM_EPSIZE, 2);
 
        /* Indicate endpoint configuration success or failure */
        LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
 
        /* Indicate endpoint configuration success or failure */
        LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
@@ -186,19 +185,19 @@ void EVENT_USB_Device_ControlRequest(void)
                case AUDIO_REQ_SetCurrent:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT))
                        {
                case AUDIO_REQ_SetCurrent:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT))
                        {
-                               /* Extract out the relevant request information to get the target Endpoint index and control being set */
-                               uint8_t EndpointIndex   = (uint8_t)USB_ControlRequest.wIndex;
+                               /* Extract out the relevant request information to get the target Endpoint address and control being set */
+                               uint8_t EndpointAddress = (uint8_t)USB_ControlRequest.wIndex;
                                uint8_t EndpointControl = (USB_ControlRequest.wValue >> 8);
                                uint8_t EndpointControl = (USB_ControlRequest.wValue >> 8);
-                               
+
                                /* Only handle SET CURRENT requests to the audio endpoint's sample frequency property */
                                /* Only handle SET CURRENT requests to the audio endpoint's sample frequency property */
-                               if ((EndpointIndex == AUDIO_STREAM_EPNUM) && (EndpointControl == AUDIO_EPCONTROL_SamplingFreq))
+                               if ((EndpointAddress == AUDIO_STREAM_EPADDR) && (EndpointControl == AUDIO_EPCONTROL_SamplingFreq))
                                {
                                        uint8_t SampleRate[3];
                                {
                                        uint8_t SampleRate[3];
-                               
+
                                        Endpoint_ClearSETUP();
                                        Endpoint_Read_Control_Stream_LE(SampleRate, sizeof(SampleRate));
                                        Endpoint_ClearOUT();
                                        Endpoint_ClearSETUP();
                                        Endpoint_Read_Control_Stream_LE(SampleRate, sizeof(SampleRate));
                                        Endpoint_ClearOUT();
-                                       
+
                                        /* Set the new sampling frequency to the value given by the host */
                                        CurrentAudioSampleFrequency = (((uint32_t)SampleRate[2] << 16) | ((uint32_t)SampleRate[1] << 8) | (uint32_t)SampleRate[0]);
 
                                        /* Set the new sampling frequency to the value given by the host */
                                        CurrentAudioSampleFrequency = (((uint32_t)SampleRate[2] << 16) | ((uint32_t)SampleRate[1] << 8) | (uint32_t)SampleRate[0]);
 
@@ -206,28 +205,28 @@ void EVENT_USB_Device_ControlRequest(void)
                                        OCR0A = ((F_CPU / 8 / CurrentAudioSampleFrequency) - 1);
                                }
                        }
                                        OCR0A = ((F_CPU / 8 / CurrentAudioSampleFrequency) - 1);
                                }
                        }
-                       
+
                        break;
                case AUDIO_REQ_GetCurrent:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT))
                        {
                        break;
                case AUDIO_REQ_GetCurrent:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT))
                        {
-                               /* Extract out the relevant request information to get the target Endpoint index and control being retrieved */
-                               uint8_t EndpointIndex   = (uint8_t)USB_ControlRequest.wIndex;
+                               /* Extract out the relevant request information to get the target Endpoint address and control being retrieved */
+                               uint8_t EndpointAddress = (uint8_t)USB_ControlRequest.wIndex;
                                uint8_t EndpointControl = (USB_ControlRequest.wValue >> 8);
                                uint8_t EndpointControl = (USB_ControlRequest.wValue >> 8);
-                               
+
                                /* Only handle GET CURRENT requests to the audio endpoint's sample frequency property */
                                /* Only handle GET CURRENT requests to the audio endpoint's sample frequency property */
-                               if ((EndpointIndex == AUDIO_STREAM_EPNUM) && (EndpointControl == AUDIO_EPCONTROL_SamplingFreq))
+                               if ((EndpointAddress == AUDIO_STREAM_EPADDR) && (EndpointControl == AUDIO_EPCONTROL_SamplingFreq))
                                {
                                        uint8_t SampleRate[3];
                                {
                                        uint8_t SampleRate[3];
-                                       
+
                                        /* Convert the sampling rate value into the 24-bit format the host expects for the property */
                                        SampleRate[2] = (CurrentAudioSampleFrequency >> 16);
                                        SampleRate[1] = (CurrentAudioSampleFrequency >> 8);
                                        SampleRate[0] = (CurrentAudioSampleFrequency &  0xFF);
                                        /* Convert the sampling rate value into the 24-bit format the host expects for the property */
                                        SampleRate[2] = (CurrentAudioSampleFrequency >> 16);
                                        SampleRate[1] = (CurrentAudioSampleFrequency >> 8);
                                        SampleRate[0] = (CurrentAudioSampleFrequency &  0xFF);
-                               
+
                                        Endpoint_ClearSETUP();
                                        Endpoint_Write_Control_Stream_LE(SampleRate, sizeof(SampleRate));
                                        Endpoint_ClearSETUP();
                                        Endpoint_Write_Control_Stream_LE(SampleRate, sizeof(SampleRate));
-                                       Endpoint_ClearOUT();                                    
+                                       Endpoint_ClearOUT();
                                }
                        }
 
                                }
                        }
 
@@ -241,7 +240,7 @@ ISR(TIMER0_COMPA_vect, ISR_BLOCK)
        uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint();
 
        /* Select the audio stream endpoint */
        uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint();
 
        /* Select the audio stream endpoint */
-       Endpoint_SelectEndpoint(AUDIO_STREAM_EPNUM);
+       Endpoint_SelectEndpoint(AUDIO_STREAM_EPADDR);
 
        /* Check if the current endpoint can be read from (contains a packet) and the host is sending data */
        if (Endpoint_IsOUTReceived() && StreamingAudioInterfaceSelected)
 
        /* Check if the current endpoint can be read from (contains a packet) and the host is sending data */
        if (Endpoint_IsOUTReceived() && StreamingAudioInterfaceSelected)
@@ -286,7 +285,7 @@ ISR(TIMER0_COMPA_vect, ISR_BLOCK)
 
                LEDs_SetAllLEDs(LEDMask);
        }
 
                LEDs_SetAllLEDs(LEDMask);
        }
-       
+
        Endpoint_SelectEndpoint(PrevEndpoint);
 }
 
        Endpoint_SelectEndpoint(PrevEndpoint);
 }