Add missing SVN eol-style properties to source files to prevent mixed end-of-line characters.
This commit is contained in:
Dean Camera
parent
f10126a95e
commit
0ec2b55a7c
43 changed files with 17978 additions and 17974 deletions
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@ -1,249 +1,249 @@
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2011.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
|
||||
all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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||||
advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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||||
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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||||
special, indirect or consequential damages or any damages
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||||
whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Main source file for the AudioOutputHost demo. This file contains the main tasks of
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* the demo and is responsible for the initial application hardware configuration.
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*/
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#include "AudioOutputHost.h"
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/** LUFA Audio Class driver interface configuration and state information. This structure is
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* passed to all Audio Class driver functions, so that multiple instances of the same class
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* within a device can be differentiated from one another.
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*/
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USB_ClassInfo_Audio_Host_t Speaker_Audio_Interface =
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{
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.Config =
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{
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.DataOUTPipeNumber = 1,
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},
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};
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/** Main program entry point. This routine configures the hardware required by the application, then
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* enters a loop to run the application tasks in sequence.
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*/
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int main(void)
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{
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SetupHardware();
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puts_P(PSTR(ESC_FG_CYAN "Audio Output Host Demo running.\r\n" ESC_FG_WHITE));
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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sei();
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for (;;)
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{
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switch (USB_HostState)
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{
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case HOST_STATE_Addressed:
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LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
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uint16_t ConfigDescriptorSize;
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uint8_t ConfigDescriptorData[512];
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if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
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sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
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{
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puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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break;
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}
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if (Audio_Host_ConfigurePipes(&Speaker_Audio_Interface,
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ConfigDescriptorSize, ConfigDescriptorData) != AUDIO_ENUMERROR_NoError)
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{
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puts_P(PSTR("Attached Device Not a Valid Audio Output Device.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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break;
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}
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if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
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{
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puts_P(PSTR("Error Setting Device Configuration.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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break;
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}
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if (Audio_Host_StartStopStreaming(&Speaker_Audio_Interface, true) != HOST_SENDCONTROL_Successful)
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{
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puts_P(PSTR("Error Enabling Audio Stream.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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break;
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}
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USB_Audio_SampleFreq_t SampleRate = AUDIO_SAMPLE_FREQ(48000);
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if (Audio_Host_GetSetEndpointProperty(&Speaker_Audio_Interface, Speaker_Audio_Interface.Config.DataOUTPipeNumber,
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AUDIO_REQ_SetCurrent, AUDIO_EPCONTROL_SamplingFreq,
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sizeof(SampleRate), &SampleRate) != HOST_SENDCONTROL_Successful)
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{
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puts_P(PSTR("Error Setting Audio Sampling Frequency.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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break;
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}
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/* Sample reload timer initialization */
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TIMSK0 = (1 << OCIE0A);
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OCR0A = ((F_CPU / 8 / 48000) - 1);
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TCCR0A = (1 << WGM01); // CTC mode
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TCCR0B = (1 << CS01); // Fcpu/8 speed
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puts_P(PSTR("Audio Device Enumerated.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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USB_HostState = HOST_STATE_Configured;
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break;
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case HOST_STATE_Configured:
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/* Do nothing - audio stream is handled by the timer interrupt routine */
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break;
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}
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Audio_Host_USBTask(&Speaker_Audio_Interface);
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USB_USBTask();
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}
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}
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/** ISR to handle the reloading of the PWM timer with the next sample. */
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ISR(TIMER0_COMPA_vect, ISR_BLOCK)
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{
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uint8_t PrevPipe = Pipe_GetCurrentPipe();
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/* Check that the USB bus is ready for the next sample to write */
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if (Audio_Host_IsReadyForNextSample(&Speaker_Audio_Interface))
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{
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int16_t AudioSample;
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#if defined(USE_TEST_TONE)
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static uint8_t SquareWaveSampleCount;
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static int16_t CurrentWaveValue;
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/* In test tone mode, generate a square wave at 1/256 of the sample rate */
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if (SquareWaveSampleCount++ == 0xFF)
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CurrentWaveValue ^= 0x8000;
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/* Only generate audio if the board button is being pressed */
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AudioSample = (Buttons_GetStatus() & BUTTONS_BUTTON1) ? CurrentWaveValue : 0;
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#else
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/* Audio sample is ADC value scaled to fit the entire range */
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AudioSample = ((SAMPLE_MAX_RANGE / ADC_MAX_RANGE) * ADC_GetResult());
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#if defined(MICROPHONE_BIASED_TO_HALF_RAIL)
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/* Microphone is biased to half rail voltage, subtract the bias from the sample value */
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AudioSample -= (SAMPLE_MAX_RANGE / 2);
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#endif
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#endif
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Audio_Host_WriteSample16(&Speaker_Audio_Interface, AudioSample);
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Audio_Host_WriteSample16(&Speaker_Audio_Interface, AudioSample);
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}
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Pipe_SelectPipe(PrevPipe);
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}
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/** Configures the board hardware and chip peripherals for the demo's functionality. */
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void SetupHardware(void)
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{
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/* Disable watchdog if enabled by bootloader/fuses */
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MCUSR &= ~(1 << WDRF);
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wdt_disable();
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/* Disable clock division */
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clock_prescale_set(clock_div_1);
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/* Hardware Initialization */
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Serial_Init(9600, false);
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LEDs_Init();
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Buttons_Init();
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ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_32);
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ADC_SetupChannel(MIC_IN_ADC_CHANNEL);
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USB_Init();
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/* Create a stdio stream for the serial port for stdin and stdout */
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Serial_CreateStream(NULL);
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}
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/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
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* starts the library USB task to begin the enumeration and USB management process.
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*/
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void EVENT_USB_Host_DeviceAttached(void)
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{
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puts_P(PSTR("Device Attached.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
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}
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/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
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* stops the library USB task management process.
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*/
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void EVENT_USB_Host_DeviceUnattached(void)
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{
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puts_P(PSTR("\r\nDevice Unattached.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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}
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/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
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* enumerated by the host and is now ready to be used by the application.
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*/
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void EVENT_USB_Host_DeviceEnumerationComplete(void)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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}
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/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
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void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
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{
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USB_Disable();
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printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
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" -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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for(;;);
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}
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/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
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* enumerating an attached USB device.
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*/
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void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
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const uint8_t SubErrorCode)
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{
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printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
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" -- Error Code %d\r\n"
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" -- Sub Error Code %d\r\n"
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" -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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}
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2011.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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||||
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
|
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
|
||||
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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||||
and fitness. In no event shall the author be liable for any
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||||
special, indirect or consequential damages or any damages
|
||||
whatsoever resulting from loss of use, data or profits, whether
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||||
in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Main source file for the AudioOutputHost demo. This file contains the main tasks of
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* the demo and is responsible for the initial application hardware configuration.
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*/
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#include "AudioOutputHost.h"
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/** LUFA Audio Class driver interface configuration and state information. This structure is
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* passed to all Audio Class driver functions, so that multiple instances of the same class
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* within a device can be differentiated from one another.
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*/
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USB_ClassInfo_Audio_Host_t Speaker_Audio_Interface =
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{
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.Config =
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{
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.DataOUTPipeNumber = 1,
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},
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};
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/** Main program entry point. This routine configures the hardware required by the application, then
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* enters a loop to run the application tasks in sequence.
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*/
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int main(void)
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{
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SetupHardware();
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puts_P(PSTR(ESC_FG_CYAN "Audio Output Host Demo running.\r\n" ESC_FG_WHITE));
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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sei();
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for (;;)
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{
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switch (USB_HostState)
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{
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case HOST_STATE_Addressed:
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LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
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uint16_t ConfigDescriptorSize;
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uint8_t ConfigDescriptorData[512];
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if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
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sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
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{
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puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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break;
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}
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if (Audio_Host_ConfigurePipes(&Speaker_Audio_Interface,
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ConfigDescriptorSize, ConfigDescriptorData) != AUDIO_ENUMERROR_NoError)
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{
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puts_P(PSTR("Attached Device Not a Valid Audio Output Device.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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break;
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}
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if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
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{
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puts_P(PSTR("Error Setting Device Configuration.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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break;
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}
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if (Audio_Host_StartStopStreaming(&Speaker_Audio_Interface, true) != HOST_SENDCONTROL_Successful)
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{
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puts_P(PSTR("Error Enabling Audio Stream.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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break;
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}
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USB_Audio_SampleFreq_t SampleRate = AUDIO_SAMPLE_FREQ(48000);
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if (Audio_Host_GetSetEndpointProperty(&Speaker_Audio_Interface, Speaker_Audio_Interface.Config.DataOUTPipeNumber,
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AUDIO_REQ_SetCurrent, AUDIO_EPCONTROL_SamplingFreq,
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sizeof(SampleRate), &SampleRate) != HOST_SENDCONTROL_Successful)
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{
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puts_P(PSTR("Error Setting Audio Sampling Frequency.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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break;
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}
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/* Sample reload timer initialization */
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TIMSK0 = (1 << OCIE0A);
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OCR0A = ((F_CPU / 8 / 48000) - 1);
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TCCR0A = (1 << WGM01); // CTC mode
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TCCR0B = (1 << CS01); // Fcpu/8 speed
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puts_P(PSTR("Audio Device Enumerated.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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USB_HostState = HOST_STATE_Configured;
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break;
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case HOST_STATE_Configured:
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/* Do nothing - audio stream is handled by the timer interrupt routine */
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break;
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}
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Audio_Host_USBTask(&Speaker_Audio_Interface);
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USB_USBTask();
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}
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}
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/** ISR to handle the reloading of the PWM timer with the next sample. */
|
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ISR(TIMER0_COMPA_vect, ISR_BLOCK)
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{
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uint8_t PrevPipe = Pipe_GetCurrentPipe();
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/* Check that the USB bus is ready for the next sample to write */
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if (Audio_Host_IsReadyForNextSample(&Speaker_Audio_Interface))
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{
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int16_t AudioSample;
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#if defined(USE_TEST_TONE)
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static uint8_t SquareWaveSampleCount;
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static int16_t CurrentWaveValue;
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|
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/* In test tone mode, generate a square wave at 1/256 of the sample rate */
|
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if (SquareWaveSampleCount++ == 0xFF)
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CurrentWaveValue ^= 0x8000;
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|
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/* Only generate audio if the board button is being pressed */
|
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AudioSample = (Buttons_GetStatus() & BUTTONS_BUTTON1) ? CurrentWaveValue : 0;
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#else
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/* Audio sample is ADC value scaled to fit the entire range */
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AudioSample = ((SAMPLE_MAX_RANGE / ADC_MAX_RANGE) * ADC_GetResult());
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|
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#if defined(MICROPHONE_BIASED_TO_HALF_RAIL)
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/* Microphone is biased to half rail voltage, subtract the bias from the sample value */
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AudioSample -= (SAMPLE_MAX_RANGE / 2);
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#endif
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#endif
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Audio_Host_WriteSample16(&Speaker_Audio_Interface, AudioSample);
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Audio_Host_WriteSample16(&Speaker_Audio_Interface, AudioSample);
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}
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Pipe_SelectPipe(PrevPipe);
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}
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||||
|
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/** Configures the board hardware and chip peripherals for the demo's functionality. */
|
||||
void SetupHardware(void)
|
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{
|
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/* Disable watchdog if enabled by bootloader/fuses */
|
||||
MCUSR &= ~(1 << WDRF);
|
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wdt_disable();
|
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|
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/* Disable clock division */
|
||||
clock_prescale_set(clock_div_1);
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|
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/* Hardware Initialization */
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||||
Serial_Init(9600, false);
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LEDs_Init();
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Buttons_Init();
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ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_32);
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ADC_SetupChannel(MIC_IN_ADC_CHANNEL);
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USB_Init();
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/* Create a stdio stream for the serial port for stdin and stdout */
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Serial_CreateStream(NULL);
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}
|
||||
|
||||
/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
|
||||
* starts the library USB task to begin the enumeration and USB management process.
|
||||
*/
|
||||
void EVENT_USB_Host_DeviceAttached(void)
|
||||
{
|
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puts_P(PSTR("Device Attached.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
|
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}
|
||||
|
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/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
|
||||
* stops the library USB task management process.
|
||||
*/
|
||||
void EVENT_USB_Host_DeviceUnattached(void)
|
||||
{
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puts_P(PSTR("\r\nDevice Unattached.\r\n"));
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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||||
}
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|
||||
/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
|
||||
* enumerated by the host and is now ready to be used by the application.
|
||||
*/
|
||||
void EVENT_USB_Host_DeviceEnumerationComplete(void)
|
||||
{
|
||||
LEDs_SetAllLEDs(LEDMASK_USB_READY);
|
||||
}
|
||||
|
||||
/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
|
||||
void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
|
||||
{
|
||||
USB_Disable();
|
||||
|
||||
printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
|
||||
" -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
|
||||
|
||||
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
||||
for(;;);
|
||||
}
|
||||
|
||||
/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
|
||||
* enumerating an attached USB device.
|
||||
*/
|
||||
void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
|
||||
const uint8_t SubErrorCode)
|
||||
{
|
||||
printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
|
||||
" -- Error Code %d\r\n"
|
||||
" -- Sub Error Code %d\r\n"
|
||||
" -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
|
||||
|
||||
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,91 +1,91 @@
|
|||
/*
|
||||
LUFA Library
|
||||
Copyright (C) Dean Camera, 2011.
|
||||
|
||||
dean [at] fourwalledcubicle [dot] com
|
||||
www.lufa-lib.org
|
||||
*/
|
||||
|
||||
/*
|
||||
Copyright 2011 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
|
||||
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
|
||||
software without specific, written prior permission.
|
||||
|
||||
The author disclaim all warranties with regard to this
|
||||
software, including all implied warranties of merchantability
|
||||
and fitness. In no event shall the author be liable for any
|
||||
special, indirect or consequential damages or any damages
|
||||
whatsoever resulting from loss of use, data or profits, whether
|
||||
in an action of contract, negligence or other tortious action,
|
||||
arising out of or in connection with the use or performance of
|
||||
this software.
|
||||
*/
|
||||
|
||||
/** \file
|
||||
*
|
||||
* Header file for AudioOutputHost.c.
|
||||
*/
|
||||
|
||||
#ifndef _AUDIO_OUTPUT_HOST_H_
|
||||
#define _AUDIO_OUTPUT_HOST_H_
|
||||
|
||||
/* Includes: */
|
||||
#include <avr/io.h>
|
||||
#include <avr/wdt.h>
|
||||
#include <avr/pgmspace.h>
|
||||
#include <avr/power.h>
|
||||
#include <avr/interrupt.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#include <LUFA/Version.h>
|
||||
#include <LUFA/Drivers/Misc/TerminalCodes.h>
|
||||
#include <LUFA/Drivers/Peripheral/Serial.h>
|
||||
#include <LUFA/Drivers/Peripheral/ADC.h>
|
||||
#include <LUFA/Drivers/Board/LEDs.h>
|
||||
#include <LUFA/Drivers/Board/Buttons.h>
|
||||
#include <LUFA/Drivers/USB/USB.h>
|
||||
|
||||
/* Macros: */
|
||||
/** ADC channel number for the microphone input. */
|
||||
#define MIC_IN_ADC_CHANNEL 2
|
||||
|
||||
/** ADC channel MUX mask for the microphone input. */
|
||||
#define MIC_IN_ADC_MUX_MASK ADC_CHANNEL2
|
||||
|
||||
/** Maximum audio sample value for the microphone input. */
|
||||
#define SAMPLE_MAX_RANGE 0xFFFF
|
||||
|
||||
/** Maximum ADC range for the microphone input. */
|
||||
#define ADC_MAX_RANGE 0x3FF
|
||||
|
||||
/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
|
||||
#define LEDMASK_USB_NOTREADY LEDS_LED1
|
||||
|
||||
/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
|
||||
#define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)
|
||||
|
||||
/** LED mask for the library LED driver, to indicate that the USB interface is ready. */
|
||||
#define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)
|
||||
|
||||
/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
|
||||
#define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
|
||||
|
||||
/* Function Prototypes: */
|
||||
void SetupHardware(void);
|
||||
|
||||
void EVENT_USB_Host_HostError(const uint8_t ErrorCode);
|
||||
void EVENT_USB_Host_DeviceAttached(void);
|
||||
void EVENT_USB_Host_DeviceUnattached(void);
|
||||
void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
|
||||
const uint8_t SubErrorCode);
|
||||
void EVENT_USB_Host_DeviceEnumerationComplete(void);
|
||||
|
||||
#endif
|
||||
|
||||
/*
|
||||
LUFA Library
|
||||
Copyright (C) Dean Camera, 2011.
|
||||
|
||||
dean [at] fourwalledcubicle [dot] com
|
||||
www.lufa-lib.org
|
||||
*/
|
||||
|
||||
/*
|
||||
Copyright 2011 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
|
||||
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
|
||||
software without specific, written prior permission.
|
||||
|
||||
The author disclaim all warranties with regard to this
|
||||
software, including all implied warranties of merchantability
|
||||
and fitness. In no event shall the author be liable for any
|
||||
special, indirect or consequential damages or any damages
|
||||
whatsoever resulting from loss of use, data or profits, whether
|
||||
in an action of contract, negligence or other tortious action,
|
||||
arising out of or in connection with the use or performance of
|
||||
this software.
|
||||
*/
|
||||
|
||||
/** \file
|
||||
*
|
||||
* Header file for AudioOutputHost.c.
|
||||
*/
|
||||
|
||||
#ifndef _AUDIO_OUTPUT_HOST_H_
|
||||
#define _AUDIO_OUTPUT_HOST_H_
|
||||
|
||||
/* Includes: */
|
||||
#include <avr/io.h>
|
||||
#include <avr/wdt.h>
|
||||
#include <avr/pgmspace.h>
|
||||
#include <avr/power.h>
|
||||
#include <avr/interrupt.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#include <LUFA/Version.h>
|
||||
#include <LUFA/Drivers/Misc/TerminalCodes.h>
|
||||
#include <LUFA/Drivers/Peripheral/Serial.h>
|
||||
#include <LUFA/Drivers/Peripheral/ADC.h>
|
||||
#include <LUFA/Drivers/Board/LEDs.h>
|
||||
#include <LUFA/Drivers/Board/Buttons.h>
|
||||
#include <LUFA/Drivers/USB/USB.h>
|
||||
|
||||
/* Macros: */
|
||||
/** ADC channel number for the microphone input. */
|
||||
#define MIC_IN_ADC_CHANNEL 2
|
||||
|
||||
/** ADC channel MUX mask for the microphone input. */
|
||||
#define MIC_IN_ADC_MUX_MASK ADC_CHANNEL2
|
||||
|
||||
/** Maximum audio sample value for the microphone input. */
|
||||
#define SAMPLE_MAX_RANGE 0xFFFF
|
||||
|
||||
/** Maximum ADC range for the microphone input. */
|
||||
#define ADC_MAX_RANGE 0x3FF
|
||||
|
||||
/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
|
||||
#define LEDMASK_USB_NOTREADY LEDS_LED1
|
||||
|
||||
/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
|
||||
#define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)
|
||||
|
||||
/** LED mask for the library LED driver, to indicate that the USB interface is ready. */
|
||||
#define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)
|
||||
|
||||
/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
|
||||
#define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
|
||||
|
||||
/* Function Prototypes: */
|
||||
void SetupHardware(void);
|
||||
|
||||
void EVENT_USB_Host_HostError(const uint8_t ErrorCode);
|
||||
void EVENT_USB_Host_DeviceAttached(void);
|
||||
void EVENT_USB_Host_DeviceUnattached(void);
|
||||
void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
|
||||
const uint8_t SubErrorCode);
|
||||
void EVENT_USB_Host_DeviceEnumerationComplete(void);
|
||||
|
||||
#endif
|
||||
|
||||
|
|
|
|||
|
|
@ -1,78 +1,78 @@
|
|||
/** \file
|
||||
*
|
||||
* This file contains special DoxyGen information for the generation of the main page and other special
|
||||
* documentation pages. It is not a project source file.
|
||||
*/
|
||||
|
||||
/** \mainpage Audio Output Host Demo
|
||||
*
|
||||
* \section Sec_Compat Demo Compatibility:
|
||||
*
|
||||
* The following list indicates what microcontrollers are compatible with this demo.
|
||||
*
|
||||
* - Series 7 USB AVRs (AT90USBxxx7)
|
||||
*
|
||||
* \section Sec_Info USB Information:
|
||||
*
|
||||
* The following table gives a rundown of the USB utilization of this demo.
|
||||
*
|
||||
* <table>
|
||||
* <tr>
|
||||
* <td><b>USB Mode:</b></td>
|
||||
* <td>Host</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>USB Class:</b></td>
|
||||
* <td>Audio Class</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>USB Subclass:</b></td>
|
||||
* <td>Standard Audio Device</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>Relevant Standards:</b></td>
|
||||
* <td>USBIF Audio 1.0 Class Specification \n
|
||||
* USBIF Audio 1.0 Class Terminal Types Specification \n
|
||||
* USBIF Audio 1.0 Data Formats Specification</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>Usable Speeds:</b></td>
|
||||
* <td>Full Speed Mode</td>
|
||||
* </tr>
|
||||
* </table>
|
||||
*
|
||||
* \section Sec_Description Project Description:
|
||||
*
|
||||
* Audio Output host demonstration application. This gives a simple reference
|
||||
* application for implementing a USB Audio host, for USB Audio devices using
|
||||
* the USB Audio 1.0 class profile.
|
||||
*
|
||||
* By default, the demo will produce a square wave test tone when the board
|
||||
* button is pressed. If USE_TEST_TONE is not defined in the project makefile,
|
||||
* incoming audio from the ADC channel 1 will be sampled and sent to the attached
|
||||
* USB audio device instead.
|
||||
*
|
||||
* \section Sec_Options Project Options
|
||||
*
|
||||
* The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
|
||||
*
|
||||
* <table>
|
||||
* <tr>
|
||||
* <td><b>Define Name:</b></td>
|
||||
* <td><b>Location:</b></td>
|
||||
* <td><b>Description:</b></td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td>USE_TEST_TONE</td>
|
||||
* <td>Makefile LUFA_OPTS</td>
|
||||
* <td>When defined, this alters the demo to produce a square wave test tone when the first board button is pressed
|
||||
* instead of sampling the board microphone.</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td>MICROPHONE_BIASED_TO_HALF_RAIL</td>
|
||||
* <td>Makefile LUFA_OPTS</td>
|
||||
* <td>When defined, this alters the demo so that the half VCC bias of the microphone input is subtracted.</td>
|
||||
* </tr>
|
||||
* </table>
|
||||
*/
|
||||
|
||||
/** \file
|
||||
*
|
||||
* This file contains special DoxyGen information for the generation of the main page and other special
|
||||
* documentation pages. It is not a project source file.
|
||||
*/
|
||||
|
||||
/** \mainpage Audio Output Host Demo
|
||||
*
|
||||
* \section Sec_Compat Demo Compatibility:
|
||||
*
|
||||
* The following list indicates what microcontrollers are compatible with this demo.
|
||||
*
|
||||
* - Series 7 USB AVRs (AT90USBxxx7)
|
||||
*
|
||||
* \section Sec_Info USB Information:
|
||||
*
|
||||
* The following table gives a rundown of the USB utilization of this demo.
|
||||
*
|
||||
* <table>
|
||||
* <tr>
|
||||
* <td><b>USB Mode:</b></td>
|
||||
* <td>Host</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>USB Class:</b></td>
|
||||
* <td>Audio Class</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>USB Subclass:</b></td>
|
||||
* <td>Standard Audio Device</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>Relevant Standards:</b></td>
|
||||
* <td>USBIF Audio 1.0 Class Specification \n
|
||||
* USBIF Audio 1.0 Class Terminal Types Specification \n
|
||||
* USBIF Audio 1.0 Data Formats Specification</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>Usable Speeds:</b></td>
|
||||
* <td>Full Speed Mode</td>
|
||||
* </tr>
|
||||
* </table>
|
||||
*
|
||||
* \section Sec_Description Project Description:
|
||||
*
|
||||
* Audio Output host demonstration application. This gives a simple reference
|
||||
* application for implementing a USB Audio host, for USB Audio devices using
|
||||
* the USB Audio 1.0 class profile.
|
||||
*
|
||||
* By default, the demo will produce a square wave test tone when the board
|
||||
* button is pressed. If USE_TEST_TONE is not defined in the project makefile,
|
||||
* incoming audio from the ADC channel 1 will be sampled and sent to the attached
|
||||
* USB audio device instead.
|
||||
*
|
||||
* \section Sec_Options Project Options
|
||||
*
|
||||
* The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
|
||||
*
|
||||
* <table>
|
||||
* <tr>
|
||||
* <td><b>Define Name:</b></td>
|
||||
* <td><b>Location:</b></td>
|
||||
* <td><b>Description:</b></td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td>USE_TEST_TONE</td>
|
||||
* <td>Makefile LUFA_OPTS</td>
|
||||
* <td>When defined, this alters the demo to produce a square wave test tone when the first board button is pressed
|
||||
* instead of sampling the board microphone.</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td>MICROPHONE_BIASED_TO_HALF_RAIL</td>
|
||||
* <td>Makefile LUFA_OPTS</td>
|
||||
* <td>When defined, this alters the demo so that the half VCC bias of the microphone input is subtracted.</td>
|
||||
* </tr>
|
||||
* </table>
|
||||
*/
|
||||
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load diff
File diff suppressed because it is too large
Load diff
Loading…
Add table
Add a link
Reference in a new issue