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Minor documentation page updates.

Browse source 
Redocumented all device demos, now that they have changed over to the new USB class drivers.

Added C linkage to class drivers for C++ support.

Added prefixes to most of the class driver constants to prevent name clashes.
This commit is contained in:
Dean Camera 2009-06-04 02:55:30 +00:00
parent 7c5444b89a
commit a67bd74e3e
47 changed files with 653 additions and 153 deletions
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29
Demos/Device/AudioInput/AudioInput.c
View file

@ -28,16 +28,29 @@
this software.
*/
/** \file
*
* Main source file for the AudioInput demo. This file contains the main tasks of
* the demo and is responsible for the initial application hardware configuration.
*/
#include "AudioInput.h"
/** LUFA Audio Class driver interface configuration and state information. This structure is
* passed to all Audio Class driver functions, so that multiple instances of the same class
* within a device can be differentiated from one another.
*/
USB_ClassInfo_Audio_t Microphone_Audio_Interface =
{
.InterfaceNumber = 0,
.StreamingInterfaceNumber = 1,
.DataINEndpointNumber = AUDIO_STREAM_EPNUM,
.DataINEndpointSize = AUDIO_STREAM_EPSIZE,
.DataINEndpointNumber = AUDIO_STREAM_EPNUM,
.DataINEndpointSize = AUDIO_STREAM_EPSIZE,
};
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
@ -53,6 +66,7 @@ int main(void)
}
}
/** Configures the board hardware and chip peripherals for the demo's functionality. */
void SetupHardware(void)
{
/* Disable watchdog if enabled by bootloader/fuses */
@ -72,6 +86,9 @@ void SetupHardware(void)
ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | MIC_IN_ADC_CHANNEL);
}
/** Processes the next audio sample by reading the last ADC conversion and writing it to the audio
* interface, each time the sample reload timer period elapses to give a constant sample rate.
*/
void ProcessNextSample(void)
{
if ((TIFR0 & (1 << OCF0A)) && USB_Audio_IsReadyForNextSample(&Microphone_Audio_Interface))
@ -90,6 +107,7 @@ void ProcessNextSample(void)
}
}
/** Event handler for the library USB Connection event. */
void EVENT_USB_Connect(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
@ -100,6 +118,7 @@ void EVENT_USB_Connect(void)
TCCR0B = (1 << CS00); // Fcpu speed
}
/** Event handler for the library USB Disconnection event. */
void EVENT_USB_Disconnect(void)
{
/* Stop the sample reload timer */
@ -108,6 +127,7 @@ void EVENT_USB_Disconnect(void)
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
}
/** Event handler for the library USB Configuration Changed event. */
void EVENT_USB_ConfigurationChanged(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_READY);
@ -116,6 +136,7 @@ void EVENT_USB_ConfigurationChanged(void)
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
/** Event handler for the library USB Unhandled Control Packet event. */
void EVENT_USB_UnhandledControlPacket(void)
{
USB_Audio_ProcessControlPacket(&Microphone_Audio_Interface);