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Add script reading bootloader flags
[pub/lufa.git] / Demos / Host / LowLevel / AudioInputHost / AudioInputHost.c
diff --git a/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.c b/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.c
index dac1374..ed47f7c 100644 (file)
--- a/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.c
+++ b/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2021.
 
   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 2021  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
@@ -18,7 +18,7 @@
   advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
   advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
-  The author disclaim all warranties with regard to this
+  The author disclaims 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
   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
@@ -46,11 +46,10 @@ int main(void)
        puts_P(PSTR(ESC_FG_CYAN "Audio Input Host Demo running.\r\n" ESC_FG_WHITE));
 
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
        puts_P(PSTR(ESC_FG_CYAN "Audio Input Host Demo running.\r\n" ESC_FG_WHITE));
 
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-       sei();
+       GlobalInterruptEnable();
 
        for (;;)
        {
 
        for (;;)
        {
-               Audio_Task();
                USB_USBTask();
        }
 }
                USB_USBTask();
        }
 }
@@ -58,12 +57,14 @@ int main(void)
 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 void SetupHardware(void)
 {
 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 void SetupHardware(void)
 {
+#if (ARCH == ARCH_AVR8)
        /* Disable watchdog if enabled by bootloader/fuses */
        MCUSR &= ~(1 << WDRF);
        wdt_disable();
 
        /* Disable clock division */
        clock_prescale_set(clock_div_1);
        /* Disable watchdog if enabled by bootloader/fuses */
        MCUSR &= ~(1 << WDRF);
        wdt_disable();
 
        /* Disable clock division */
        clock_prescale_set(clock_div_1);
+#endif
 
        /* Hardware Initialization */
        Serial_Init(9600, false);
 
        /* Hardware Initialization */
        Serial_Init(9600, false);
@@ -97,6 +98,84 @@ void EVENT_USB_Host_DeviceUnattached(void)
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {
+       puts_P(PSTR("Getting Config Data.\r\n"));
+
+       uint8_t ErrorCode;
+
+       /* Get and process the configuration descriptor data */
+       if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
+       {
+               if (ErrorCode == ControlError)
+                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
+               else
+                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
+
+               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
+       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
+       {
+               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
+                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       if ((ErrorCode = USB_Host_SetInterfaceAltSetting(StreamingInterfaceIndex,
+                                                        StreamingInterfaceAltSetting)) != HOST_SENDCONTROL_Successful)
+       {
+               printf_P(PSTR(ESC_FG_RED "Could not set alternative streaming interface setting.\r\n"
+                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               USB_Host_SetDeviceConfiguration(0);
+               return;
+       }
+
+       USB_ControlRequest = (USB_Request_Header_t)
+               {
+                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT),
+                       .bRequest      = AUDIO_REQ_SetCurrent,
+                       .wValue        = (AUDIO_EPCONTROL_SamplingFreq << 8),
+                       .wIndex        = StreamingEndpointAddress,
+                       .wLength       = sizeof(USB_Audio_SampleFreq_t),
+               };
+
+       USB_Audio_SampleFreq_t SampleRate = AUDIO_SAMPLE_FREQ(48000);
+
+       /* Select the control pipe for the request transfer */
+       Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+       /* Set the sample rate on the streaming interface endpoint */
+       if ((ErrorCode = USB_Host_SendControlRequest(&SampleRate)) != HOST_SENDCONTROL_Successful)
+       {
+               printf_P(PSTR(ESC_FG_RED "Could not set requested Audio sample rate.\r\n"
+                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               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("Microphone Enumerated.\r\n"));
        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }
 
        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }
 
@@ -126,109 +205,6 @@ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 }
 
        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 }
 
-void Audio_Task(void)
-{
-       uint8_t ErrorCode;
-
-       switch (USB_HostState)
-       {
-               case HOST_STATE_Addressed:
-                       puts_P(PSTR("Getting Config Data.\r\n"));
-
-                       /* Get and process the configuration descriptor data */
-                       if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
-                       {
-                               if (ErrorCode == ControlError)
-                                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
-                               else
-                                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
-
-                               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error status */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
-                       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
-                       {
-                               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
-                                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error status */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-                       
-                       if ((ErrorCode = USB_Host_SetInterfaceAltSetting(StreamingInterfaceIndex,
-                                                                        StreamingInterfaceAltSetting)) != HOST_SENDCONTROL_Successful)
-                       {
-                               printf_P(PSTR(ESC_FG_RED "Could not set alternative streaming interface setting.\r\n"
-                                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error status */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       USB_ControlRequest = (USB_Request_Header_t)
-                               {
-                                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT),
-                                       .bRequest      = AUDIO_REQ_SetCurrent,
-                                       .wValue        = (AUDIO_EPCONTROL_SamplingFreq << 8),
-                                       .wIndex        = StreamingEndpointAddress,
-                                       .wLength       = sizeof(USB_Audio_SampleFreq_t),
-                               };
-                               
-                       USB_Audio_SampleFreq_t SampleRate = AUDIO_SAMPLE_FREQ(48000);
-
-                       /* Select the control pipe for the request transfer */
-                       Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
-                       /* Set the sample rate on the streaming interface endpoint */
-                       if ((ErrorCode = USB_Host_SendControlRequest(&SampleRate)) != HOST_SENDCONTROL_Successful)
-                       {
-                               /* Indicate error status */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               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("Microphone Enumerated.\r\n"));
-
-                       USB_HostState = HOST_STATE_Configured;
-                       break;
-               case HOST_STATE_Configured:
-                       /* Do nothing - audio stream is handled by the timer interrupt routine */
-                       break;
-       }
-}
-
 /** ISR to handle the reloading of the PWM timer with the next sample. */
 ISR(TIMER0_COMPA_vect, ISR_BLOCK)
 {
 /** ISR to handle the reloading of the PWM timer with the next sample. */
 ISR(TIMER0_COMPA_vect, ISR_BLOCK)
 {
@@ -267,7 +243,8 @@ ISR(TIMER0_COMPA_vect, ISR_BLOCK)
 
                LEDs_SetAllLEDs(LEDMask);
        }
 
                LEDs_SetAllLEDs(LEDMask);
        }
-       
+
        Pipe_Freeze();
        Pipe_SelectPipe(PrevPipe);
 }
        Pipe_Freeze();
        Pipe_SelectPipe(PrevPipe);
 }
+
Lightweight USB Framework for AVRs