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Diffstat (limited to 'src/gaudio/gaudio_gaudio.c')
| -rw-r--r-- | src/gaudio/gaudio_gaudio.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/src/gaudio/gaudio_gaudio.c b/src/gaudio/gaudio_gaudio.c new file mode 100644 index 00000000..bb12e6d2 --- /dev/null +++ b/src/gaudio/gaudio_gaudio.c @@ -0,0 +1,283 @@ +/* + * This file is subject to the terms of the GFX License. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://ugfx.org/license.html + */ + +/** + * @file src/gaudio/gaudio_gaudio.c + * @brief GAUDIO sub-system code. + * + * @addtogroup GAUDIO + * @{ + */ +#include "gfx.h" + +#if GFX_USE_GAUDIO + +#if GAUDIO_NEED_PLAY + #include "driver_play.h" + + static gfxQueueASync playList; + static gfxSem playComplete; + static uint16_t playFlags; + #define PLAYFLG_USEEVENTS 0x0001 + #define PLAYFLG_PLAYING 0x0002 + #define PLAYFLG_ISINIT 0x0004 + #if GFX_USE_GEVENT + static GTimer playTimer; + static void PlayTimerCallback(void *param); + #endif +#endif + +#if GAUDIO_NEED_RECORD + #include "driver_record.h" + + static gfxQueueGSync recordList; + static uint16_t recordFlags; + #define RECORDFLG_USEEVENTS 0x0001 + #define RECORDFLG_RECORDING 0x0002 + #define RECORDFLG_STALLED 0x0004 + #define RECORDFLG_ISINIT 0x0008 + #if GFX_USE_GEVENT + static GTimer recordTimer; + static void RecordTimerCallback(void *param); + #endif +#endif + + +void _gaudioInit(void) +{ + #if GAUDIO_NEED_PLAY + gfxQueueASyncInit(&playList); + #if GFX_USE_GEVENT + gtimerInit(&playTimer); + #endif + gfxSemInit(&playComplete, 0, 0); + #endif + #if GAUDIO_NEED_RECORD + gfxQueueGSyncInit(&recordList); + #if GFX_USE_GEVENT + gtimerInit(&recordTimer); + #endif + #endif +} + +void _gaudioDeinit(void) +{ + #if GAUDIO_NEED_PLAY + gfxQueueASyncDeinit(&playList); + #if GFX_USE_GEVENT + gtimerDeinit(&playTimer); + #endif + gfxSemDestroy(&playComplete); + #endif + #if GAUDIO_NEED_RECORD + gfxQueueGSyncDeinit(&recordList); + #if GFX_USE_GEVENT + gtimerDeinit(&recordTimer); + #endif + #endif +} + +#if GAUDIO_NEED_PLAY + + bool_t gaudioPlayInit(uint16_t channel, uint32_t frequency, ArrayDataFormat format) { + gaudioPlayStop(); + playFlags &= ~PLAYFLG_ISINIT; + if (!gaudio_play_lld_init(channel, frequency, format)) + return FALSE; + playFlags |= PLAYFLG_ISINIT; + return TRUE; + } + + void gaudioPlay(GDataBuffer *pd) { + if (!(playFlags & PLAYFLG_ISINIT)) { + // Oops - init failed - return it directly to the free-list + if (pd) { + gfxBufferRelease(pd); + gfxYield(); // Make sure we get no endless cpu hogging loops + } + return; + } + + if (pd) + gfxQueueASyncPut(&playList, (gfxQueueASyncItem *)pd); + playFlags |= PLAYFLG_PLAYING; + gaudio_play_lld_start(); + } + + void gaudioPlayPause(void) { + if ((playFlags & (PLAYFLG_ISINIT|PLAYFLG_PLAYING)) == (PLAYFLG_ISINIT|PLAYFLG_PLAYING)) + gaudio_play_lld_stop(); + } + + void gaudioPlayStop(void) { + GDataBuffer *pd; + + if (playFlags & PLAYFLG_PLAYING) + gaudio_play_lld_stop(); + while((pd = (GDataBuffer *)gfxQueueASyncGet(&playList))) + gfxBufferRelease(pd); + } + + bool_t gaudioPlaySetVolume(uint8_t vol) { + return gaudio_play_lld_set_volume(vol); + } + + bool_t gaudioPlayWait(delaytime_t ms) { + if (!(playFlags & PLAYFLG_PLAYING)) + return TRUE; + return gfxSemWait(&playComplete, ms); + } + + #if GFX_USE_GEVENT + static void PlayTimerCallback(void *param) { + (void) param; + GSourceListener *psl; + GEventAudioPlay *pe; + + psl = 0; + while ((psl = geventGetSourceListener((GSourceHandle)&playTimer, psl))) { + if (!(pe = (GEventAudioPlay *)geventGetEventBuffer(psl))) { + // This listener is missing - save this. + psl->srcflags |= GAUDIO_PLAY_LOSTEVENT; + continue; + } + + pe->type = GEVENT_AUDIO_PLAY; + pe->flags = psl->srcflags; + psl->srcflags = 0; + if ((playFlags & PLAYFLG_PLAYING)) + pe->flags |= GAUDIO_PLAY_PLAYING; + if (gfxBufferIsAvailable()) + pe->flags |= GAUDIO_PLAY_FREEBLOCK; + geventSendEvent(psl); + } + } + + GSourceHandle gaudioPlayGetSource(void) { + if (!gtimerIsActive(&playTimer)) + gtimerStart(&playTimer, PlayTimerCallback, 0, TRUE, TIME_INFINITE); + playFlags |= PLAYFLG_USEEVENTS; + return (GSourceHandle)&playTimer; + } + #endif + + /** + * Routines provided for use by drivers. + */ + + GDataBuffer *gaudioPlayGetDataBlockI(void) { + return (GDataBuffer *)gfxQueueASyncGetI(&playList); + } + + void gaudioPlayReleaseDataBlockI(GDataBuffer *pd) { + gfxBufferReleaseI(pd); + #if GFX_USE_GEVENT + if (playFlags & PLAYFLG_USEEVENTS) + gtimerJabI(&playTimer); + #endif + } + + void gaudioPlayDoneI(void) { + playFlags &= ~PLAYFLG_PLAYING; + #if GFX_USE_GEVENT + if (playFlags & PLAYFLG_USEEVENTS) + gtimerJabI(&playTimer); + #endif + gfxSemSignalI(&playComplete); // This should really be gfxSemSignalAllI(&playComplete); + } +#endif + +#if GAUDIO_NEED_RECORD + bool_t gaudioRecordInit(uint16_t channel, uint32_t frequency, ArrayDataFormat format) { + gaudioRecordStop(); + recordFlags &= ~RECORDFLG_ISINIT; + if (!gaudio_record_lld_init(channel, frequency, format)) + return FALSE; + recordFlags |= RECORDFLG_ISINIT; + return TRUE; + } + + void gaudioRecordStart(void) { + if (!(recordFlags & RECORDFLG_ISINIT)) + return; // Oops - init failed + + recordFlags |= RECORDFLG_RECORDING; + recordFlags &= ~RECORDFLG_STALLED; + gaudio_record_lld_start(); + } + + void gaudioRecordStop(void) { + GDataBuffer *pd; + + if ((recordFlags & (RECORDFLG_RECORDING|RECORDFLG_STALLED)) == RECORDFLG_RECORDING) + gaudio_record_lld_stop(); + recordFlags &= ~(RECORDFLG_RECORDING|RECORDFLG_STALLED); + while((pd = (GDataBuffer *)gfxQueueGSyncGet(&recordList, TIME_IMMEDIATE))) + gfxBufferRelease(pd); + } + + GDataBuffer *gaudioRecordGetData(delaytime_t ms) { + return (GDataBuffer *)gfxQueueGSyncGet(&recordList, ms); + } + + #if GFX_USE_GEVENT + static void RecordTimerCallback(void *param) { + (void) param; + GSourceListener *psl; + GEventAudioRecord *pe; + + psl = 0; + while ((psl = geventGetSourceListener((GSourceHandle)&recordTimer, psl))) { + if (!(pe = (GEventAudioRecord *)geventGetEventBuffer(psl))) { + // This listener is missing - save this. + psl->srcflags |= GAUDIO_RECORD_LOSTEVENT; + continue; + } + pe->type = GEVENT_AUDIO_RECORD; + pe->flags = psl->srcflags; + psl->srcflags = 0; + if ((recordFlags & RECORDFLG_RECORDING)) + pe->flags |= GAUDIO_RECORD_RECORDING; + if ((recordFlags & RECORDFLG_STALLED)) + pe->flags |= GAUDIO_RECORD_STALL; + if (!gfxQueueGSyncIsEmpty(&recordList)) + pe->flags |= GAUDIO_RECORD_GOTBUFFER; + geventSendEvent(psl); + } + } + + GSourceHandle gaudioRecordGetSource(void) { + if (!gtimerIsActive(&recordTimer)) + gtimerStart(&recordTimer, RecordTimerCallback, 0, TRUE, TIME_INFINITE); + recordFlags |= RECORDFLG_USEEVENTS; + return (GSourceHandle)&recordTimer; + } + #endif + + /** + * Routines provided for use by drivers. + */ + + void gaudioRecordSaveDataBlockI(GDataBuffer *paud) { + gfxQueueGSyncPutI(&recordList, (gfxQueueGSyncItem *)paud); + #if GFX_USE_GEVENT + if (recordFlags & RECORDFLG_USEEVENTS) + gtimerJabI(&recordTimer); + #endif + } + + void gaudioRecordDoneI(void) { + recordFlags |= RECORDFLG_STALLED; + #if GFX_USE_GEVENT + if (recordFlags & RECORDFLG_USEEVENTS) + gtimerJabI(&recordTimer); + #endif + } +#endif + +#endif /* GFX_USE_GAUDIO */ +/** @} */ |