X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=quantum%2Faudio%2Faudio_arm.c;h=de0cd15c5825199ed5b08d36bb5495ab5cecbf2e;hb=66b63f66a919d668efd00c1e4222bf4d9fe76ad8;hp=247dc337d530ff18a52bcb4a5606ab9977562cf8;hpb=63c16f4b632a2a82a775f51a3ad0cc690cca1fc9;p=qmk_firmware.git diff --git a/quantum/audio/audio_arm.c b/quantum/audio/audio_arm.c index 247dc337d..de0cd15c5 100644 --- a/quantum/audio/audio_arm.c +++ b/quantum/audio/audio_arm.c @@ -54,7 +54,7 @@ uint16_t notes_count; bool notes_repeat; bool note_resting = false; -uint8_t current_note = 0; +uint16_t current_note = 0; uint8_t rest_counter = 0; #ifdef VIBRATO_ENABLE @@ -79,7 +79,10 @@ float startup_song[][2] = STARTUP_SONG; static void gpt_cb8(GPTDriver *gptp); -#define DAC_BUFFER_SIZE 360 +#define DAC_BUFFER_SIZE 100 +#ifndef DAC_SAMPLE_MAX +#define DAC_SAMPLE_MAX 65535U +#endif #define START_CHANNEL_1() gptStart(&GPTD6, &gpt6cfg1); \ gptStartContinuous(&GPTD6, 2U) @@ -95,8 +98,8 @@ static void gpt_cb8(GPTDriver *gptp); RESTART_CHANNEL_1() #define UPDATE_CHANNEL_2_FREQ(freq) gpt7cfg1.frequency = freq * DAC_BUFFER_SIZE; \ RESTART_CHANNEL_2() -#define GET_CHANNEL_1_FREQ gpt6cfg1.frequency -#define GET_CHANNEL_2_FREQ gpt7cfg1.frequency +#define GET_CHANNEL_1_FREQ (uint16_t)(gpt6cfg1.frequency * DAC_BUFFER_SIZE) +#define GET_CHANNEL_2_FREQ (uint16_t)(gpt7cfg1.frequency * DAC_BUFFER_SIZE) /* @@ -167,74 +170,51 @@ GPTConfig gpt8cfg1 = { // 1622, 1657, 1692, 1727, 1763, 1798, 1834, 1869, 1905, 1940, 1976, 2012 // }; +// static const dacsample_t dac_buffer_2[DAC_BUFFER_SIZE] = { +// 12, 8, 5, 3, 2, 1, 0, 1, 2, 3, 5, 8, +// 12, 16, 20, 26, 32, 38, 45, 53, 61, 70, 80, 90, +// 101, 112, 124, 136, 150, 163, 177, 192, 208, 224, 240, 257, +// 275, 293, 312, 331, 350, 371, 391, 413, 434, 457, 479, 503, +// 526, 550, 575, 600, 626, 651, 678, 705, 732, 759, 787, 816, +// 844, 873, 903, 933, 963, 993, 1024, 1055, 1086, 1118, 1150, 1182, +// 1215, 1248, 1281, 1314, 1347, 1381, 1415, 1449, 1483, 1518, 1552, 1587, +// 1622, 1657, 1692, 1727, 1763, 1798, 1834, 1869, 1905, 1940, 1976, 2012, +// 2047, 2082, 2118, 2154, 2189, 2225, 2260, 2296, 2331, 2367, 2402, 2437, +// 2472, 2507, 2542, 2576, 2611, 2645, 2679, 2713, 2747, 2780, 2813, 2846, +// 2879, 2912, 2944, 2976, 3008, 3039, 3070, 3101, 3131, 3161, 3191, 3221, +// 3250, 3278, 3307, 3335, 3362, 3389, 3416, 3443, 3468, 3494, 3519, 3544, +// 3568, 3591, 3615, 3637, 3660, 3681, 3703, 3723, 3744, 3763, 3782, 3801, +// 3819, 3837, 3854, 3870, 3886, 3902, 3917, 3931, 3944, 3958, 3970, 3982, +// 3993, 4004, 4014, 4024, 4033, 4041, 4049, 4056, 4062, 4068, 4074, 4078, +// 4082, 4086, 4089, 4091, 4092, 4093, 4094, 4093, 4092, 4091, 4089, 4086, +// 4082, 4078, 4074, 4068, 4062, 4056, 4049, 4041, 4033, 4024, 4014, 4004, +// 3993, 3982, 3970, 3958, 3944, 3931, 3917, 3902, 3886, 3870, 3854, 3837, +// 3819, 3801, 3782, 3763, 3744, 3723, 3703, 3681, 3660, 3637, 3615, 3591, +// 3568, 3544, 3519, 3494, 3468, 3443, 3416, 3389, 3362, 3335, 3307, 3278, +// 3250, 3221, 3191, 3161, 3131, 3101, 3070, 3039, 3008, 2976, 2944, 2912, +// 2879, 2846, 2813, 2780, 2747, 2713, 2679, 2645, 2611, 2576, 2542, 2507, +// 2472, 2437, 2402, 2367, 2331, 2296, 2260, 2225, 2189, 2154, 2118, 2082, +// 2047, 2012, 1976, 1940, 1905, 1869, 1834, 1798, 1763, 1727, 1692, 1657, +// 1622, 1587, 1552, 1518, 1483, 1449, 1415, 1381, 1347, 1314, 1281, 1248, +// 1215, 1182, 1150, 1118, 1086, 1055, 1024, 993, 963, 933, 903, 873, +// 844, 816, 787, 759, 732, 705, 678, 651, 626, 600, 575, 550, +// 526, 503, 479, 457, 434, 413, 391, 371, 350, 331, 312, 293, +// 275, 257, 240, 224, 208, 192, 177, 163, 150, 136, 124, 112, +// 101, 90, 80, 70, 61, 53, 45, 38, 32, 26, 20, 16 +// }; + // squarewave static const dacsample_t dac_buffer[DAC_BUFFER_SIZE] = { - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + // First half is max, second half is 0 + [0 ... DAC_BUFFER_SIZE/2-1] = DAC_SAMPLE_MAX, + [DAC_BUFFER_SIZE/2 ... DAC_BUFFER_SIZE -1] = 0, }; // squarewave static const dacsample_t dac_buffer_2[DAC_BUFFER_SIZE] = { - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, - - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + // opposite of dac_buffer above + [0 ... DAC_BUFFER_SIZE/2-1] = 0, + [DAC_BUFFER_SIZE/2 ... DAC_BUFFER_SIZE -1] = DAC_SAMPLE_MAX, }; /* @@ -270,7 +250,7 @@ static void error_cb1(DACDriver *dacp, dacerror_t err) { } static const DACConfig dac1cfg1 = { - .init = 2047U, + .init = DAC_SAMPLE_MAX, .datamode = DAC_DHRM_12BIT_RIGHT }; @@ -282,7 +262,7 @@ static const DACConversionGroup dacgrpcfg1 = { }; static const DACConfig dac1cfg2 = { - .init = 2047U, + .init = DAC_SAMPLE_MAX, .datamode = DAC_DHRM_12BIT_RIGHT }; @@ -293,19 +273,24 @@ static const DACConversionGroup dacgrpcfg2 = { .trigger = DAC_TRG(0) }; -void audio_init() -{ +void audio_init() { - if (audio_initialized) - return; + if (audio_initialized) { + return; + } - // Check EEPROM - // if (!eeconfig_is_enabled()) - // { - // eeconfig_init(); - // } - // audio_config.raw = eeconfig_read_audio(); + // Check EEPROM + #if defined(STM32_EEPROM_ENABLE) || defined(PROTOCOL_ARM_ATSAM) || defined(EEPROM_SIZE) + if (!eeconfig_is_enabled()) { + eeconfig_init(); + } + audio_config.raw = eeconfig_read_audio(); +#else // ARM EEPROM audio_config.enable = true; + #ifdef AUDIO_CLICKY_ON + audio_config.clicky_enable = true; + #endif +#endif // ARM EEPROM /* * Starting DAC1 driver, setting up the output pin as analog as suggested @@ -317,7 +302,7 @@ void audio_init() dacStart(&DACD2, &dac1cfg2); /* - * Starting GPT6 driver, it is used for triggering the DAC. + * Starting GPT6/7 driver, it is used for triggering the DAC. */ START_CHANNEL_1(); START_CHANNEL_2(); @@ -325,23 +310,20 @@ void audio_init() /* * Starting a continuous conversion. */ - dacStartConversion(&DACD1, &dacgrpcfg1, - (dacsample_t *)dac_buffer, DAC_BUFFER_SIZE); - dacStartConversion(&DACD2, &dacgrpcfg2, - (dacsample_t *)dac_buffer_2, DAC_BUFFER_SIZE); - // gptStartContinuous(&GPTD6, 2U); + dacStartConversion(&DACD1, &dacgrpcfg1, (dacsample_t *)dac_buffer, DAC_BUFFER_SIZE); + dacStartConversion(&DACD2, &dacgrpcfg2, (dacsample_t *)dac_buffer_2, DAC_BUFFER_SIZE); + audio_initialized = true; - audio_initialized = true; - - if (audio_config.enable) { - PLAY_SONG(startup_song); - } + if (audio_config.enable) { + PLAY_SONG(startup_song); + } else { + stop_all_notes(); + } } -void stop_all_notes() -{ +void stop_all_notes() { dprintf("audio stop all notes"); if (!audio_initialized) { @@ -366,342 +348,347 @@ void stop_all_notes() } } -void stop_note(float freq) -{ - dprintf("audio stop note freq=%d", (int)freq); +void stop_note(float freq) { + dprintf("audio stop note freq=%d", (int)freq); - if (playing_note) { - if (!audio_initialized) { - audio_init(); - } - for (int i = 7; i >= 0; i--) { - if (frequencies[i] == freq) { - frequencies[i] = 0; - volumes[i] = 0; - for (int j = i; (j < 7); j++) { - frequencies[j] = frequencies[j+1]; - frequencies[j+1] = 0; - volumes[j] = volumes[j+1]; - volumes[j+1] = 0; - } - break; - } - } - voices--; - if (voices < 0) - voices = 0; - if (voice_place >= voices) { - voice_place = 0; - } - if (voices == 0) { - STOP_CHANNEL_1(); - STOP_CHANNEL_2(); - gptStopTimer(&GPTD8); - frequency = 0; - frequency_alt = 0; - volume = 0; - playing_note = false; + if (playing_note) { + if (!audio_initialized) { + audio_init(); + } + for (int i = 7; i >= 0; i--) { + if (frequencies[i] == freq) { + frequencies[i] = 0; + volumes[i] = 0; + for (int j = i; (j < 7); j++) { + frequencies[j] = frequencies[j+1]; + frequencies[j+1] = 0; + volumes[j] = volumes[j+1]; + volumes[j+1] = 0; } + break; + } + } + voices--; + if (voices < 0) { + voices = 0; + } + if (voice_place >= voices) { + voice_place = 0; } + if (voices == 0) { + STOP_CHANNEL_1(); + STOP_CHANNEL_2(); + gptStopTimer(&GPTD8); + frequency = 0; + frequency_alt = 0; + volume = 0; + playing_note = false; + } + } } #ifdef VIBRATO_ENABLE -float mod(float a, int b) -{ - float r = fmod(a, b); - return r < 0 ? r + b : r; +float mod(float a, int b) { + float r = fmod(a, b); + return r < 0 ? r + b : r; } float vibrato(float average_freq) { - #ifdef VIBRATO_STRENGTH_ENABLE - float vibrated_freq = average_freq * pow(vibrato_lut[(int)vibrato_counter], vibrato_strength); - #else - float vibrated_freq = average_freq * vibrato_lut[(int)vibrato_counter]; - #endif - vibrato_counter = mod((vibrato_counter + vibrato_rate * (1.0 + 440.0/average_freq)), VIBRATO_LUT_LENGTH); - return vibrated_freq; + #ifdef VIBRATO_STRENGTH_ENABLE + float vibrated_freq = average_freq * pow(vibrato_lut[(int)vibrato_counter], vibrato_strength); + #else + float vibrated_freq = average_freq * vibrato_lut[(int)vibrato_counter]; + #endif + vibrato_counter = mod((vibrato_counter + vibrato_rate * (1.0 + 440.0/average_freq)), VIBRATO_LUT_LENGTH); + return vibrated_freq; } #endif static void gpt_cb8(GPTDriver *gptp) { - float freq; - - if (playing_note) { - if (voices > 0) { - - float freq_alt = 0; - if (voices > 1) { - if (polyphony_rate == 0) { - if (glissando) { - if (frequency_alt != 0 && frequency_alt < frequencies[voices - 2] && frequency_alt < frequencies[voices - 2] * pow(2, -440/frequencies[voices - 2]/12/2)) { - frequency_alt = frequency_alt * pow(2, 440/frequency_alt/12/2); - } else if (frequency_alt != 0 && frequency_alt > frequencies[voices - 2] && frequency_alt > frequencies[voices - 2] * pow(2, 440/frequencies[voices - 2]/12/2)) { - frequency_alt = frequency_alt * pow(2, -440/frequency_alt/12/2); - } else { - frequency_alt = frequencies[voices - 2]; - } - } else { - frequency_alt = frequencies[voices - 2]; - } - - #ifdef VIBRATO_ENABLE - if (vibrato_strength > 0) { - freq_alt = vibrato(frequency_alt); - } else { - freq_alt = frequency_alt; - } - #else - freq_alt = frequency_alt; - #endif - } - - if (envelope_index < 65535) { - envelope_index++; - } - - freq_alt = voice_envelope(freq_alt); - - if (freq_alt < 30.517578125) { - freq_alt = 30.52; - } - - if (GET_CHANNEL_2_FREQ != (uint16_t)freq_alt) { - UPDATE_CHANNEL_2_FREQ(freq_alt); - } - //note_timbre; - } - - if (polyphony_rate > 0) { - if (voices > 1) { - voice_place %= voices; - if (place++ > (frequencies[voice_place] / polyphony_rate)) { - 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 + float freq; + + if (playing_note) { + if (voices > 0) { + + float freq_alt = 0; + if (voices > 1) { + if (polyphony_rate == 0) { + if (glissando) { + if (frequency_alt != 0 && frequency_alt < frequencies[voices - 2] && frequency_alt < frequencies[voices - 2] * pow(2, -440/frequencies[voices - 2]/12/2)) { + frequency_alt = frequency_alt * pow(2, 440/frequency_alt/12/2); + } else if (frequency_alt != 0 && frequency_alt > frequencies[voices - 2] && frequency_alt > frequencies[voices - 2] * pow(2, 440/frequencies[voices - 2]/12/2)) { + frequency_alt = frequency_alt * pow(2, -440/frequency_alt/12/2); } 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 + frequency_alt = frequencies[voices - 2]; } + } else { + frequency_alt = frequencies[voices - 2]; + } - if (envelope_index < 65535) { - envelope_index++; - } - - freq = voice_envelope(freq); - - if (freq < 30.517578125) { - freq = 30.52; + #ifdef VIBRATO_ENABLE + if (vibrato_strength > 0) { + freq_alt = vibrato(frequency_alt); + } else { + freq_alt = frequency_alt; } + #else + freq_alt = frequency_alt; + #endif + } - - if (GET_CHANNEL_1_FREQ != (uint16_t)freq) { - UPDATE_CHANNEL_1_FREQ(freq); - } - //note_timbre; + if (envelope_index < 65535) { + envelope_index++; } - } - 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); + freq_alt = voice_envelope(freq_alt); + if (freq_alt < 30.517578125) { + freq_alt = 30.52; + } - if (GET_CHANNEL_1_FREQ != (uint16_t)freq) { - UPDATE_CHANNEL_1_FREQ(freq); - UPDATE_CHANNEL_2_FREQ(freq); - } - //note_timbre; + if (GET_CHANNEL_2_FREQ != (uint16_t)freq_alt) { + UPDATE_CHANNEL_2_FREQ(freq_alt); } else { - // gptStopTimer(&GPTD6); - // gptStopTimer(&GPTD7); + RESTART_CHANNEL_2(); + } + //note_timbre; + } + + if (polyphony_rate > 0) { + if (voices > 1) { + voice_place %= voices; + if (place++ > (frequencies[voice_place] / polyphony_rate)) { + voice_place = (voice_place + 1) % voices; + place = 0.0; + } } - note_position++; - bool end_of_note = false; - if (GET_CHANNEL_1_FREQ > 0) { - if (!note_resting) - end_of_note = (note_position >= (note_length*16 - 1)); - else - end_of_note = (note_position >= (note_length*16)); + #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 { - end_of_note = (note_position >= (note_length*16)); + frequency = frequencies[voices - 1]; } - if (end_of_note) { - current_note++; - if (current_note >= notes_count) { - if (notes_repeat) { - current_note = 0; - } else { - STOP_CHANNEL_1(); - STOP_CHANNEL_2(); - // gptStopTimer(&GPTD8); - playing_notes = false; - return; - } - } - if (!note_resting) { - note_resting = true; - current_note--; - if ((*notes_pointer)[current_note][0] == (*notes_pointer)[current_note + 1][0]) { - note_frequency = 0; - note_length = 1; - } else { - note_frequency = (*notes_pointer)[current_note][0]; - note_length = 1; - } - } 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); - } + #ifdef VIBRATO_ENABLE + if (vibrato_strength > 0) { + freq = vibrato(frequency); + } else { + freq = frequency; + } + #else + freq = frequency; + #endif + } - note_position = 0; - } - } + if (envelope_index < 65535) { + envelope_index++; + } - if (!audio_config.enable) { - playing_notes = false; - playing_note = false; - } -} + freq = voice_envelope(freq); -void play_note(float freq, int vol) { + if (freq < 30.517578125) { + freq = 30.52; + } - dprintf("audio play note freq=%d vol=%d", (int)freq, vol); - if (!audio_initialized) { - audio_init(); + if (GET_CHANNEL_1_FREQ != (uint16_t)freq) { + UPDATE_CHANNEL_1_FREQ(freq); + } else { + RESTART_CHANNEL_1(); + } + //note_timbre; } + } - if (audio_config.enable && voices < 8) { + 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 - // Cancel notes if notes are playing - if (playing_notes) - stop_all_notes(); + if (envelope_index < 65535) { + envelope_index++; + } + freq = voice_envelope(freq); - playing_note = true; - envelope_index = 0; + if (GET_CHANNEL_1_FREQ != (uint16_t)freq) { + UPDATE_CHANNEL_1_FREQ(freq); + UPDATE_CHANNEL_2_FREQ(freq); + } + //note_timbre; + } else { + // gptStopTimer(&GPTD6); + // gptStopTimer(&GPTD7); + } + + note_position++; + bool end_of_note = false; + if (GET_CHANNEL_1_FREQ > 0) { + if (!note_resting) + end_of_note = (note_position >= (note_length*8 - 1)); + else + end_of_note = (note_position >= (note_length*8)); + } else { + end_of_note = (note_position >= (note_length*8)); + } - if (freq > 0) { - frequencies[voices] = freq; - volumes[voices] = vol; - voices++; + if (end_of_note) { + current_note++; + if (current_note >= notes_count) { + if (notes_repeat) { + current_note = 0; + } else { + STOP_CHANNEL_1(); + STOP_CHANNEL_2(); + // gptStopTimer(&GPTD8); + playing_notes = false; + return; } + } + if (!note_resting) { + note_resting = true; + current_note--; + if ((*notes_pointer)[current_note][0] == (*notes_pointer)[current_note + 1][0]) { + note_frequency = 0; + note_length = 1; + } else { + note_frequency = (*notes_pointer)[current_note][0]; + note_length = 1; + } + } 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); + } - gptStart(&GPTD8, &gpt8cfg1); - gptStartContinuous(&GPTD8, 2U); - RESTART_CHANNEL_1(); - RESTART_CHANNEL_2(); + note_position = 0; } + } + if (!audio_config.enable) { + playing_notes = false; + playing_note = false; + } } -void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat) -{ +void play_note(float freq, int vol) { - if (!audio_initialized) { - audio_init(); + dprintf("audio play note freq=%d vol=%d", (int)freq, vol); + + if (!audio_initialized) { + audio_init(); + } + + if (audio_config.enable && voices < 8) { + + // Cancel notes if notes are playing + if (playing_notes) { + stop_all_notes(); } - if (audio_config.enable) { + playing_note = true; - // Cancel note if a note is playing - if (playing_note) - stop_all_notes(); + envelope_index = 0; - playing_notes = true; + if (freq > 0) { + frequencies[voices] = freq; + volumes[voices] = vol; + voices++; + } - notes_pointer = np; - notes_count = n_count; - notes_repeat = n_repeat; + gptStart(&GPTD8, &gpt8cfg1); + gptStartContinuous(&GPTD8, 2U); + RESTART_CHANNEL_1(); + RESTART_CHANNEL_2(); + } - 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; +void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat) { - gptStart(&GPTD8, &gpt8cfg1); - gptStartContinuous(&GPTD8, 2U); - RESTART_CHANNEL_1(); - RESTART_CHANNEL_2(); + if (!audio_initialized) { + audio_init(); + } + + if (audio_config.enable) { + + // Cancel note if a note is playing + if (playing_note) { + stop_all_notes(); } + playing_notes = true; + + notes_pointer = np; + notes_count = n_count; + notes_repeat = n_repeat; + + 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; + + gptStart(&GPTD8, &gpt8cfg1); + gptStartContinuous(&GPTD8, 2U); + RESTART_CHANNEL_1(); + RESTART_CHANNEL_2(); + } } bool is_playing_notes(void) { - return playing_notes; + return playing_notes; } bool is_audio_on(void) { - return (audio_config.enable != 0); + return (audio_config.enable != 0); } void audio_toggle(void) { - audio_config.enable ^= 1; - eeconfig_update_audio(audio_config.raw); - if (audio_config.enable) - audio_on_user(); + audio_config.enable ^= 1; + eeconfig_update_audio(audio_config.raw); + if (audio_config.enable) { + audio_on_user(); + } } void audio_on(void) { - audio_config.enable = 1; - eeconfig_update_audio(audio_config.raw); - audio_on_user(); + audio_config.enable = 1; + eeconfig_update_audio(audio_config.raw); + audio_on_user(); } void audio_off(void) { - audio_config.enable = 0; - eeconfig_update_audio(audio_config.raw); + stop_all_notes(); + audio_config.enable = 0; + eeconfig_update_audio(audio_config.raw); } #ifdef VIBRATO_ENABLE @@ -709,29 +696,29 @@ void audio_off(void) { // Vibrato rate functions void set_vibrato_rate(float rate) { - vibrato_rate = rate; + vibrato_rate = rate; } void increase_vibrato_rate(float change) { - vibrato_rate *= change; + vibrato_rate *= change; } void decrease_vibrato_rate(float change) { - vibrato_rate /= change; + vibrato_rate /= change; } #ifdef VIBRATO_STRENGTH_ENABLE void set_vibrato_strength(float strength) { - vibrato_strength = strength; + vibrato_strength = strength; } void increase_vibrato_strength(float change) { - vibrato_strength *= change; + vibrato_strength *= change; } void decrease_vibrato_strength(float change) { - vibrato_strength /= change; + vibrato_strength /= change; } #endif /* VIBRATO_STRENGTH_ENABLE */ @@ -741,45 +728,45 @@ void decrease_vibrato_strength(float change) { // Polyphony functions void set_polyphony_rate(float rate) { - polyphony_rate = rate; + polyphony_rate = rate; } void enable_polyphony() { - polyphony_rate = 5; + polyphony_rate = 5; } void disable_polyphony() { - polyphony_rate = 0; + polyphony_rate = 0; } void increase_polyphony_rate(float change) { - polyphony_rate *= change; + polyphony_rate *= change; } void decrease_polyphony_rate(float change) { - polyphony_rate /= change; + polyphony_rate /= change; } // Timbre function void set_timbre(float timbre) { - note_timbre = timbre; + note_timbre = timbre; } // Tempo functions void set_tempo(uint8_t tempo) { - note_tempo = tempo; + note_tempo = tempo; } void decrease_tempo(uint8_t tempo_change) { - note_tempo += tempo_change; + note_tempo += tempo_change; } void increase_tempo(uint8_t tempo_change) { - if (note_tempo - tempo_change < 10) { - note_tempo = 10; - } else { - note_tempo -= tempo_change; - } + if (note_tempo - tempo_change < 10) { + note_tempo = 10; + } else { + note_tempo -= tempo_change; + } }