/*
LUFA Library
- Copyright (C) Dean Camera, 2011.
+ Copyright (C) Dean Camera, 2012.
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
for (;;)
{
- switch (USB_HostState)
- {
- case HOST_STATE_Addressed:
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
-
- uint16_t ConfigDescriptorSize;
- uint8_t ConfigDescriptorData[512];
-
- if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
- sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
- {
- puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- if (Audio_Host_ConfigurePipes(&Microphone_Audio_Interface,
- ConfigDescriptorSize, ConfigDescriptorData) != AUDIO_ENUMERROR_NoError)
- {
- puts_P(PSTR("Attached Device Not a Valid Audio Input Device.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
- {
- puts_P(PSTR("Error Setting Device Configuration.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- if (Audio_Host_StartStopStreaming(&Microphone_Audio_Interface, true) != HOST_SENDCONTROL_Successful)
- {
- puts_P(PSTR("Error Enabling Audio Stream.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- USB_Audio_SampleFreq_t SampleRate = AUDIO_SAMPLE_FREQ(48000);
- if (Audio_Host_GetSetEndpointProperty(&Microphone_Audio_Interface, Microphone_Audio_Interface.Config.DataINPipeNumber,
- AUDIO_REQ_SetCurrent, AUDIO_EPCONTROL_SamplingFreq,
- sizeof(SampleRate), &SampleRate) != HOST_SENDCONTROL_Successful)
- {
- puts_P(PSTR("Error Setting Audio Sampling Frequency.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Sample reload timer initialization */
- TIMSK0 = (1 << OCIE0A);
- OCR0A = ((F_CPU / 8 / 48000) - 1);
- TCCR0A = (1 << WGM01); // CTC mode
- TCCR0B = (1 << CS01); // Fcpu/8 speed
-
- /* Set speaker as output */
- DDRC |= (1 << 6);
-
- /* PWM speaker timer initialization */
- TCCR3A = ((1 << WGM30) | (1 << COM3A1) | (1 << COM3A0)); // Set on match, clear on TOP
- TCCR3B = ((1 << WGM32) | (1 << CS30)); // Fast 8-Bit PWM, F_CPU speed
-
- puts_P(PSTR("Audio Device Enumerated.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
- USB_HostState = HOST_STATE_Configured;
- break;
- case HOST_STATE_Configured:
- /* Do nothing - audio stream is handled by the timer interrupt routine */
- break;
- }
-
Audio_Host_USBTask(&Microphone_Audio_Interface);
USB_USBTask();
}
LEDs_SetAllLEDs(LEDMask);
}
-
+
Pipe_SelectPipe(PrevPipe);
}
*/
void EVENT_USB_Host_DeviceEnumerationComplete(void)
{
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+
+ uint16_t ConfigDescriptorSize;
+ uint8_t ConfigDescriptorData[512];
+
+ if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
+ sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
+ {
+ puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ if (Audio_Host_ConfigurePipes(&Microphone_Audio_Interface,
+ ConfigDescriptorSize, ConfigDescriptorData) != AUDIO_ENUMERROR_NoError)
+ {
+ puts_P(PSTR("Attached Device Not a Valid Audio Input Device.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
+ {
+ puts_P(PSTR("Error Setting Device Configuration.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ if (Audio_Host_StartStopStreaming(&Microphone_Audio_Interface, true) != HOST_SENDCONTROL_Successful)
+ {
+ puts_P(PSTR("Error Enabling Audio Stream.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ USB_Audio_SampleFreq_t SampleRate = AUDIO_SAMPLE_FREQ(48000);
+ if (Audio_Host_GetSetEndpointProperty(&Microphone_Audio_Interface, Microphone_Audio_Interface.Config.DataINPipeNumber,
+ AUDIO_REQ_SetCurrent, AUDIO_EPCONTROL_SamplingFreq,
+ sizeof(SampleRate), &SampleRate) != HOST_SENDCONTROL_Successful)
+ {
+ puts_P(PSTR("Error Setting Audio Sampling Frequency.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ /* Sample reload timer initialization */
+ TIMSK0 = (1 << OCIE0A);
+ OCR0A = ((F_CPU / 8 / 48000) - 1);
+ TCCR0A = (1 << WGM01); // CTC mode
+ TCCR0B = (1 << CS01); // Fcpu/8 speed
+
+ /* Set speaker as output */
+ DDRC |= (1 << 6);
+
+ /* PWM speaker timer initialization */
+ TCCR3A = ((1 << WGM30) | (1 << COM3A1) | (1 << COM3A0)); // Set on match, clear on TOP
+ TCCR3B = ((1 << WGM32) | (1 << CS30)); // Fast 8-Bit PWM, F_CPU speed
+
+ puts_P(PSTR("Audio Device Enumerated.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}