]> git.donarmstrong.com Git - qmk_firmware.git/commitdiff
add debug messages to audio
authorGabriel Young <gabeplaysdrums@live.com>
Thu, 2 Mar 2017 20:28:12 +0000 (12:28 -0800)
committerGabriel Young <gabeplaysdrums@live.com>
Thu, 2 Mar 2017 20:28:12 +0000 (12:28 -0800)
quantum/audio/audio.c

index 2a315fd1688de7d0a4c61a23a66274c5006afb4d..e1e81fd2b8ebb7ce29a66b55cb3f67075877f608 100644 (file)
@@ -89,15 +89,15 @@ void audio_init()
     }
     audio_config.raw = eeconfig_read_audio();
 
-       // Set port PC6 (OC3A and /OC4A) as output
+    // Set port PC6 (OC3A and /OC4A) as output
     DDRC |= _BV(PORTC6);
 
     DISABLE_AUDIO_COUNTER_3_ISR;
 
-       // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers
-       // Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6
-       // Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A)
-       // Clock Select (CS3n) = 0b010 = Clock / 8
+    // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers
+    // Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6
+    // Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A)
+    // Clock Select (CS3n) = 0b010 = Clock / 8
     TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
     TCCR3B = (1 << WGM33)  | (1 << WGM32)  | (0 << CS32)  | (1 << CS31) | (0 << CS30);
 
@@ -106,6 +106,8 @@ void audio_init()
 
 void stop_all_notes()
 {
+    dprintf("audio stop all notes");
+
     if (!audio_initialized) {
         audio_init();
     }
@@ -128,6 +130,8 @@ void stop_all_notes()
 
 void stop_note(float freq)
 {
+    dprintf("audio stop note freq=%d", (int)freq);
+
     if (playing_note) {
         if (!audio_initialized) {
             audio_init();
@@ -183,159 +187,161 @@ float vibrato(float average_freq) {
 
 ISR(TIMER3_COMPA_vect)
 {
-       float freq;
-
-       if (playing_note) {
-               if (voices > 0) {
-                       if (polyphony_rate > 0) {
-                               if (voices > 1) {
-                                       voice_place %= voices;
-                                       if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
-                                               voice_place = (voice_place + 1) % voices;
-                                               place = 0.0;
-                                       }
-                               }
-
-                               #ifdef VIBRATO_ENABLE
-                                       if (vibrato_strength > 0) {
-                                               freq = vibrato(frequencies[voice_place]);
-                                       } else {
-                                               freq = frequencies[voice_place];
-                                       }
-                               #else
-                                       freq = frequencies[voice_place];
-                               #endif
-                       } else {
-                               if (glissando) {
-                                       if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) {
-                                               frequency = frequency * pow(2, 440/frequency/12/2);
-                                       } else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) {
-                                               frequency = frequency * pow(2, -440/frequency/12/2);
-                                       } else {
-                                               frequency = frequencies[voices - 1];
-                                       }
-                               } else {
-                                       frequency = frequencies[voices - 1];
-                               }                               
-
-                               #ifdef VIBRATO_ENABLE
-                                       if (vibrato_strength > 0) {
-                                               freq = vibrato(frequency);
-                                       } else {
-                                               freq = frequency;
-                                       }
-                               #else
-                                       freq = frequency;
-                               #endif
-                       }
-
-                       if (envelope_index < 65535) {
-                               envelope_index++;
-                       }
-
-                       freq = voice_envelope(freq);
-
-                       if (freq < 30.517578125) {
-                               freq = 30.52;
-                       }
-
-                       TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
-                       TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
-               }
-       }
-
-       if (playing_notes) {
-               if (note_frequency > 0) {
-                       #ifdef VIBRATO_ENABLE
-                               if (vibrato_strength > 0) {
-                                       freq = vibrato(note_frequency);
-                               } else {
-                                       freq = note_frequency;
-                               }
-                       #else
-                                       freq = note_frequency;
-                       #endif
-
-                       if (envelope_index < 65535) {
-                               envelope_index++;
-                       }
-                       freq = voice_envelope(freq);
-
-                       TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
-                       TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
-               } else {
-                       TIMER_3_PERIOD = 0;
-                       TIMER_3_DUTY_CYCLE = 0;
-               }
-
-               note_position++;
-               bool end_of_note = false;
-               if (TIMER_3_PERIOD > 0) {
-                       end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF));
-               } else {
-                       end_of_note = (note_position >= (note_length * 0x7FF));
-               }
-
-               if (end_of_note) {
-                       current_note++;
-                       if (current_note >= notes_count) {
-                               if (notes_repeat) {
-                                       current_note = 0;
-                               } else {
-                                       DISABLE_AUDIO_COUNTER_3_ISR;
-                                       DISABLE_AUDIO_COUNTER_3_OUTPUT;
-                                       playing_notes = false;
-                                       return;
-                               }
-                       }
-                       if (!note_resting && (notes_rest > 0)) {
-                               note_resting = true;
-                               note_frequency = 0;
-                               note_length = notes_rest;
-                               current_note--;
-                       } else {
-                               note_resting = false;
-                               envelope_index = 0;
-                               note_frequency = (*notes_pointer)[current_note][0];
-                               note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
-                       }
-
-                       note_position = 0;
-               }
-       }
-
-       if (!audio_config.enable) {
-               playing_notes = false;
-               playing_note = false;
-       }
+    float freq;
+
+    if (playing_note) {
+        if (voices > 0) {
+            if (polyphony_rate > 0) {
+                if (voices > 1) {
+                    voice_place %= voices;
+                    if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
+                        voice_place = (voice_place + 1) % voices;
+                        place = 0.0;
+                    }
+                }
+
+                #ifdef VIBRATO_ENABLE
+                    if (vibrato_strength > 0) {
+                        freq = vibrato(frequencies[voice_place]);
+                    } else {
+                        freq = frequencies[voice_place];
+                    }
+                #else
+                    freq = frequencies[voice_place];
+                #endif
+            } else {
+                if (glissando) {
+                    if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) {
+                        frequency = frequency * pow(2, 440/frequency/12/2);
+                    } else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) {
+                        frequency = frequency * pow(2, -440/frequency/12/2);
+                    } else {
+                        frequency = frequencies[voices - 1];
+                    }
+                } else {
+                    frequency = frequencies[voices - 1];
+                }
+
+                #ifdef VIBRATO_ENABLE
+                    if (vibrato_strength > 0) {
+                        freq = vibrato(frequency);
+                    } else {
+                        freq = frequency;
+                    }
+                #else
+                    freq = frequency;
+                #endif
+            }
+
+            if (envelope_index < 65535) {
+                envelope_index++;
+            }
+
+            freq = voice_envelope(freq);
+
+            if (freq < 30.517578125) {
+                freq = 30.52;
+            }
+
+            TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
+            TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
+        }
+    }
+
+    if (playing_notes) {
+        if (note_frequency > 0) {
+            #ifdef VIBRATO_ENABLE
+                if (vibrato_strength > 0) {
+                    freq = vibrato(note_frequency);
+                } else {
+                    freq = note_frequency;
+                }
+            #else
+                    freq = note_frequency;
+            #endif
+
+            if (envelope_index < 65535) {
+                envelope_index++;
+            }
+            freq = voice_envelope(freq);
+
+            TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
+            TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
+        } else {
+            TIMER_3_PERIOD = 0;
+            TIMER_3_DUTY_CYCLE = 0;
+        }
+
+        note_position++;
+        bool end_of_note = false;
+        if (TIMER_3_PERIOD > 0) {
+            end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF));
+        } else {
+            end_of_note = (note_position >= (note_length * 0x7FF));
+        }
+
+        if (end_of_note) {
+            current_note++;
+            if (current_note >= notes_count) {
+                if (notes_repeat) {
+                    current_note = 0;
+                } else {
+                    DISABLE_AUDIO_COUNTER_3_ISR;
+                    DISABLE_AUDIO_COUNTER_3_OUTPUT;
+                    playing_notes = false;
+                    return;
+                }
+            }
+            if (!note_resting && (notes_rest > 0)) {
+                note_resting = true;
+                note_frequency = 0;
+                note_length = notes_rest;
+                current_note--;
+            } else {
+                note_resting = false;
+                envelope_index = 0;
+                note_frequency = (*notes_pointer)[current_note][0];
+                note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
+            }
+
+            note_position = 0;
+        }
+    }
+
+    if (!audio_config.enable) {
+        playing_notes = false;
+        playing_note = false;
+    }
 }
 
 void play_note(float freq, int vol) {
 
+    dprintf("audio play note freq=%d vol=%d", (int)freq, vol);
+
     if (!audio_initialized) {
         audio_init();
     }
 
-       if (audio_config.enable && voices < 8) {
-           DISABLE_AUDIO_COUNTER_3_ISR;
+    if (audio_config.enable && voices < 8) {
+        DISABLE_AUDIO_COUNTER_3_ISR;
 
-           // Cancel notes if notes are playing
-           if (playing_notes)
-               stop_all_notes();
+        // Cancel notes if notes are playing
+        if (playing_notes)
+            stop_all_notes();
 
-           playing_note = true;
+        playing_note = true;
 
-           envelope_index = 0;
+        envelope_index = 0;
 
-           if (freq > 0) {
-               frequencies[voices] = freq;
-               volumes[voices] = vol;
-               voices++;
-           }
+        if (freq > 0) {
+            frequencies[voices] = freq;
+            volumes[voices] = vol;
+            voices++;
+        }
 
         ENABLE_AUDIO_COUNTER_3_ISR;
         ENABLE_AUDIO_COUNTER_3_OUTPUT;
-       }
+    }
 
 }
 
@@ -346,37 +352,37 @@ void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest)
         audio_init();
     }
 
-       if (audio_config.enable) {
+    if (audio_config.enable) {
 
-           DISABLE_AUDIO_COUNTER_3_ISR;
+        DISABLE_AUDIO_COUNTER_3_ISR;
 
-               // Cancel note if a note is playing
-           if (playing_note)
-               stop_all_notes();
+        // Cancel note if a note is playing
+        if (playing_note)
+            stop_all_notes();
 
-           playing_notes = true;
+        playing_notes = true;
 
-           notes_pointer = np;
-           notes_count = n_count;
-           notes_repeat = n_repeat;
-           notes_rest = n_rest;
+        notes_pointer = np;
+        notes_count = n_count;
+        notes_repeat = n_repeat;
+        notes_rest = n_rest;
 
-           place = 0;
-           current_note = 0;
+        place = 0;
+        current_note = 0;
 
         note_frequency = (*notes_pointer)[current_note][0];
         note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
-           note_position = 0;
+        note_position = 0;
 
 
         ENABLE_AUDIO_COUNTER_3_ISR;
         ENABLE_AUDIO_COUNTER_3_OUTPUT;
-       }
+    }
 
 }
 
 bool is_playing_notes(void) {
-       return playing_notes;
+    return playing_notes;
 }
 
 bool is_audio_on(void) {