forked from mfulz_github/qmk_firmware
Make both LowLevel and ClassDriver AudioOutput demos always output to board LEDs, regardless of output mode (removed AUDIO_OUT_LEDS compile time option from the demo). This allows for positive feedback to the user of audio activity regardless of output mode.
This commit is contained in:
Dean Camera
parent
c5eeedd522
commit
bbf89d81fa
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@ -103,10 +103,11 @@ void ProcessNextSample(void)
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int8_t LeftSample_8Bit = (LeftSample_16Bit >> 8);
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int8_t RightSample_8Bit = (RightSample_16Bit >> 8);
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#if !defined(AUDIO_OUT_STEREO)
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/* Mix the two channels together to produce a mono, 8-bit sample */
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int8_t MixedSample_8Bit = (((int16_t)LeftSample_8Bit + (int16_t)RightSample_8Bit) >> 1);
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#endif
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/* Get absolute value of mixed sample value */
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uint8_t MixedSample_8Bit_Abs = abs(MixedSample_8Bit);
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#if defined(AUDIO_OUT_MONO)
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/* Load the sample into the PWM timer channel */
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@ -118,26 +119,23 @@ void ProcessNextSample(void)
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#elif defined(AUDIO_OUT_PORTC)
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/* Load the 8-bit mixed sample into PORTC */
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PORTC = MixedSample_8Bit;
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#else
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#endif
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uint8_t LEDMask = LEDS_NO_LEDS;
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/* Make mixed sample value positive (absolute) */
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MixedSample_8Bit = abs(MixedSample_8Bit);
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if (MixedSample_8Bit > 2)
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if (MixedSample_8Bit_Abs > 2)
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LEDMask |= LEDS_LED1;
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if (MixedSample_8Bit > 4)
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if (MixedSample_8Bit_Abs > 4)
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LEDMask |= LEDS_LED2;
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if (MixedSample_8Bit > 8)
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if (MixedSample_8Bit_Abs > 8)
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LEDMask |= LEDS_LED3;
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if (MixedSample_8Bit > 16)
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if (MixedSample_8Bit_Abs > 16)
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LEDMask |= LEDS_LED4;
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LEDs_SetAllLEDs(LEDMask);
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#endif
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}
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}
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@ -53,11 +53,11 @@
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* required).
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*
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* On start-up the system will automatically enumerate and function
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* as a USB speaker. Incoming audio will output in 8-bit PWM onto
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* the timer output (timer 3 for the AT90USBXXX6/7 USB AVRs, timer 1 for
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* the AT90USBXXX2 controller AVRs) compare channel A for AUDIO_OUT_MONO
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* mode, on channels A and B for AUDIO_OUT_STEREO and on the board LEDs
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* for AUDIO_OUT_LEDS mode. Decouple audio outputs with a capacitor and
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* as a USB speaker. Outgoing audio will output in 8-bit PWM onto
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* the timer 3 output compare channel A for AUDIO_OUT_MONO mode, on
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* timer 3 channels A and B for AUDIO_OUT_STEREO and on PORTC as a signed
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* mono sample for AUDIO_OUT_PORTC. Audio output will also be indicated on
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* the board LEDs in all modes. Decouple audio outputs with a capacitor and
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* attach to a speaker to hear the audio.
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*
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* Under Windows, if a driver request dialogue pops up, select the option
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@ -84,11 +84,6 @@
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* <td>When defined, this outputs the audio samples in mono to the timer output pin of the microcontroller.</td>
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* </tr>
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* <tr>
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* <td>AUDIO_OUT_LEDS</td>
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* <td>Makefile CDEFS</td>
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* <td>When defined, this outputs the audio samples in stereo to the board LEDs.</td>
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* </tr>
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* <tr>
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* <td>AUDIO_OUT_PORTC</td>
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* <td>Makefile CDEFS</td>
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* <td>When defined, this outputs the audio samples in mono to port C of the microcontroller, for connection to an
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@ -210,10 +210,11 @@ void USB_Audio_Task(void)
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int8_t LeftSample_8Bit = (LeftSample_16Bit >> 8);
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int8_t RightSample_8Bit = (RightSample_16Bit >> 8);
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#if !defined(AUDIO_OUT_STEREO)
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/* Mix the two channels together to produce a mono, 8-bit sample */
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int8_t MixedSample_8Bit = (((int16_t)LeftSample_8Bit + (int16_t)RightSample_8Bit) >> 1);
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#endif
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/* Get absolute value of mixed sample value */
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uint8_t MixedSample_8Bit_Abs = abs(MixedSample_8Bit);
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#if defined(AUDIO_OUT_MONO)
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/* Load the sample into the PWM timer channel */
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@ -225,25 +226,22 @@ void USB_Audio_Task(void)
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#elif defined(AUDIO_OUT_PORTC)
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/* Load the 8-bit mixed sample into PORTC */
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PORTC = MixedSample_8Bit;
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#else
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#endif
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uint8_t LEDMask = LEDS_NO_LEDS;
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/* Make mixed sample value positive (absolute) */
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MixedSample_8Bit = abs(MixedSample_8Bit);
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if (MixedSample_8Bit > 2)
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if (MixedSample_8Bit_Abs > 2)
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LEDMask |= LEDS_LED1;
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if (MixedSample_8Bit > 4)
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if (MixedSample_8Bit_Abs > 4)
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LEDMask |= LEDS_LED2;
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if (MixedSample_8Bit > 8)
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if (MixedSample_8Bit_Abs > 8)
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LEDMask |= LEDS_LED3;
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if (MixedSample_8Bit > 16)
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if (MixedSample_8Bit_Abs > 16)
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LEDMask |= LEDS_LED4;
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LEDs_SetAllLEDs(LEDMask);
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#endif
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}
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}
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@ -53,11 +53,11 @@
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* required).
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*
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* On start-up the system will automatically enumerate and function
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* as a USB speaker. Incoming audio will output in 8-bit PWM onto
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* the timer output (timer 3 for the AT90USBXXX6/7 USB AVRs, timer 1 for
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* the AT90USBXXX2 controller AVRs) compare channel A for AUDIO_OUT_MONO
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* mode, on channels A and B for AUDIO_OUT_STEREO and on the board LEDs
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* for AUDIO_OUT_LEDS mode. Decouple audio outputs with a capacitor and
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* as a USB speaker. Outgoing audio will output in 8-bit PWM onto
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* the timer 3 output compare channel A for AUDIO_OUT_MONO mode, on
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* timer 3 channels A and B for AUDIO_OUT_STEREO and on PORTC as a signed
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* mono sample for AUDIO_OUT_PORTC. Audio output will also be indicated on
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* the board LEDs in all modes. Decouple audio outputs with a capacitor and
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* attach to a speaker to hear the audio.
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*
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* Under Windows, if a driver request dialogue pops up, select the option
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@ -84,11 +84,6 @@
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* <td>When defined, this outputs the audio samples in mono to the timer output pin of the microcontroller.</td>
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* </tr>
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* <tr>
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* <td>AUDIO_OUT_LEDS</td>
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* <td>Makefile CDEFS</td>
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* <td>When defined, this outputs the audio samples in stereo to the board LEDs.</td>
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* </tr>
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* <tr>
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* <td>AUDIO_OUT_PORTC</td>
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* <td>Makefile CDEFS</td>
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* <td>When defined, this outputs the audio samples in mono to port C of the microcontroller, for connection to an
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