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[pub/USBasp.git] / Demos / Device / ClassDriver / AudioInput / AudioInput.c

diff --git a/Demos/Device/ClassDriver/AudioInput/AudioInput.c b/Demos/Device/ClassDriver/AudioInput/AudioInput.c
index 31e8d96..f11122f 100644 (file)
--- a/Demos/Device/ClassDriver/AudioInput/AudioInput.c
+++ b/Demos/Device/ClassDriver/AudioInput/AudioInput.c
@@ -106,11 +106,11 @@ ISR(TIMER0_COMPA_vect, ISR_BLOCK)
                #if defined(USE_TEST_TONE)
                        static uint8_t SquareWaveSampleCount;
                        static int16_t CurrentWaveValue;
                #if defined(USE_TEST_TONE)
                        static uint8_t SquareWaveSampleCount;
                        static int16_t CurrentWaveValue;

-                       
+

                        /* In test tone mode, generate a square wave at 1/256 of the sample rate */
                        if (SquareWaveSampleCount++ == 0xFF)
                          CurrentWaveValue ^= 0x8000;
                        /* In test tone mode, generate a square wave at 1/256 of the sample rate */
                        if (SquareWaveSampleCount++ == 0xFF)
                          CurrentWaveValue ^= 0x8000;

-                       
+

                        /* Only generate audio if the board button is being pressed */
                        AudioSample = (Buttons_GetStatus() & BUTTONS_BUTTON1) ? CurrentWaveValue : 0;
                #else
                        /* Only generate audio if the board button is being pressed */
                        AudioSample = (Buttons_GetStatus() & BUTTONS_BUTTON1) ? CurrentWaveValue : 0;
                #else


@@ -122,7 +122,7 @@ ISR(TIMER0_COMPA_vect, ISR_BLOCK)
                        AudioSample -= (SAMPLE_MAX_RANGE / 2);
                        #endif
                #endif
                        AudioSample -= (SAMPLE_MAX_RANGE / 2);
                        #endif
                #endif

-               
+

                Audio_Device_WriteSample16(&Microphone_Audio_Interface, AudioSample);
        }
 
                Audio_Device_WriteSample16(&Microphone_Audio_Interface, AudioSample);
        }
 


@@ -211,10 +211,10 @@ bool CALLBACK_Audio_Device_GetSetEndpointProperty(USB_ClassInfo_Audio_Device_t*
                                                CurrentAudioSampleFrequency = (((uint32_t)Data[2] << 16) | ((uint32_t)Data[1] << 8) | (uint32_t)Data[0]);
 
                                                /* Adjust sample reload timer to the new frequency */
                                                CurrentAudioSampleFrequency = (((uint32_t)Data[2] << 16) | ((uint32_t)Data[1] << 8) | (uint32_t)Data[0]);
 
                                                /* Adjust sample reload timer to the new frequency */

-                                               OCR0A = ((F_CPU / 8 / CurrentAudioSampleFrequency) - 1);                                
+                                               OCR0A = ((F_CPU / 8 / CurrentAudioSampleFrequency) - 1);

                                        }
                                        }

-                                       
-                                       return true;                            
+
+                                       return true;

                                case AUDIO_REQ_GetCurrent:
                                        /* Check if we are just testing for a valid property, or actually reading it */
                                        if (DataLength != NULL)
                                case AUDIO_REQ_GetCurrent:
                                        /* Check if we are just testing for a valid property, or actually reading it */
                                        if (DataLength != NULL)


@@ -223,13 +223,14 @@ bool CALLBACK_Audio_Device_GetSetEndpointProperty(USB_ClassInfo_Audio_Device_t*
 
                                                Data[2] = (CurrentAudioSampleFrequency >> 16);
                                                Data[1] = (CurrentAudioSampleFrequency >> 8);
 
                                                Data[2] = (CurrentAudioSampleFrequency >> 16);
                                                Data[1] = (CurrentAudioSampleFrequency >> 8);

-                                               Data[0] = (CurrentAudioSampleFrequency &  0xFF);                                        
+                                               Data[0] = (CurrentAudioSampleFrequency &  0xFF);

                                        }
                                        }

-                                       
+

                                        return true;
                        }
                }
        }
                                        return true;
                        }
                }
        }

-       
+

        return false;
 }
        return false;
 }

+