diff options
Diffstat (limited to 'src/class')
| -rw-r--r-- | src/class/audio/audio_device.c | 147 | ||||
| -rw-r--r-- | src/class/audio/audio_device.h | 60 |
2 files changed, 179 insertions, 28 deletions
diff --git a/src/class/audio/audio_device.c b/src/class/audio/audio_device.c index 2660cf368..181703f75 100644 --- a/src/class/audio/audio_device.c +++ b/src/class/audio/audio_device.c @@ -46,6 +46,19 @@ //--------------------------------------------------------------------+ // MACRO CONSTANT TYPEDEF //--------------------------------------------------------------------+ + +#if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE +#ifndef CFG_TUD_AUDIO_TX_FIFO_COUNT +#define CFG_TUD_AUDIO_TX_FIFO_COUNT CFG_TUD_AUDIO_N_CHANNELS_TX +#endif +#endif + +#if CFG_TUD_AUDIO_EPSIZE_OUT && CFG_TUD_AUDIO_RX_FIFO_SIZE +#ifndef CFG_TUD_AUDIO_RX_FIFO_COUNT +#define CFG_TUD_AUDIO_RX_FIFO_COUNT CFG_TUD_AUDIO_N_CHANNELS_RX +#endif +#endif + typedef struct { uint8_t rhport; @@ -81,18 +94,18 @@ typedef struct // FIFO #if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE - tu_fifo_t tx_ff[CFG_TUD_AUDIO_N_CHANNELS_TX]; - CFG_TUSB_MEM_ALIGN uint8_t tx_ff_buf[CFG_TUD_AUDIO_N_CHANNELS_TX][CFG_TUD_AUDIO_TX_FIFO_SIZE * CFG_TUD_AUDIO_TX_ITEMSIZE]; + tu_fifo_t tx_ff[CFG_TUD_AUDIO_TX_FIFO_COUNT]; + CFG_TUSB_MEM_ALIGN uint8_t tx_ff_buf[CFG_TUD_AUDIO_TX_FIFO_COUNT][CFG_TUD_AUDIO_TX_FIFO_SIZE]; #if CFG_FIFO_MUTEX - osal_mutex_def_t tx_ff_mutex[CFG_TUD_AUDIO_N_CHANNELS_TX]; + osal_mutex_def_t tx_ff_mutex[CFG_TUD_AUDIO_TX_FIFO_COUNT]; #endif #endif #if CFG_TUD_AUDIO_EPSIZE_OUT && CFG_TUD_AUDIO_RX_FIFO_SIZE - tu_fifo_t rx_ff[CFG_TUD_AUDIO_N_CHANNELS_RX]; - CFG_TUSB_MEM_ALIGN uint8_t rx_ff_buf[CFG_TUD_AUDIO_N_CHANNELS_RX][CFG_TUD_AUDIO_RX_FIFO_SIZE * CFG_TUD_AUDIO_RX_ITEMSIZE]; + tu_fifo_t rx_ff[CFG_TUD_AUDIO_RX_FIFO_COUNT]; + CFG_TUSB_MEM_ALIGN uint8_t rx_ff_buf[CFG_TUD_AUDIO_RX_FIFO_COUNT][CFG_TUD_AUDIO_RX_FIFO_SIZE]; #if CFG_FIFO_MUTEX - osal_mutex_def_t rx_ff_mutex[CFG_TUD_AUDIO_N_CHANNELS_RX]; + osal_mutex_def_t rx_ff_mutex[CFG_TUD_AUDIO_RX_FIFO_COUNT]; #endif #endif @@ -190,7 +203,7 @@ bool tud_audio_n_mounted(uint8_t itf) //--------------------------------------------------------------------+ #if CFG_TUD_AUDIO_EPSIZE_OUT && CFG_TUD_AUDIO_RX_FIFO_SIZE - +#if CFG_TUD_AUDIO_RX_FIFO_COUNT > 1 uint16_t tud_audio_n_available(uint8_t itf, uint8_t channelId) { TU_VERIFY(channelId < CFG_TUD_AUDIO_N_CHANNELS_RX); @@ -208,7 +221,22 @@ void tud_audio_n_read_flush (uint8_t itf, uint8_t channelId) TU_VERIFY(channelId < CFG_TUD_AUDIO_N_CHANNELS_RX, ); tu_fifo_clear(&_audiod_itf[itf].rx_ff[channelId]); } +#else +uint16_t tud_audio_n_available(uint8_t itf) +{ + return tu_fifo_count(&_audiod_itf[itf].rx_ff[0]); +} +uint16_t tud_audio_n_read(uint8_t itf, void* buffer, uint16_t bufsize) +{ + return tu_fifo_read_n(&_audiod_itf[itf].rx_ff[0], buffer, bufsize); +} + +void tud_audio_n_read_flush (uint8_t itf) +{ + tu_fifo_clear(&_audiod_itf[itf].rx_ff[0]); +} +#endif #endif #if CFG_TUD_AUDIO_INT_CTR_EPSIZE_IN @@ -283,6 +311,7 @@ static bool audio_rx_done_cb(uint8_t rhport, audiod_interface_t* audio, uint8_t* // The following functions are used in case CFG_TUD_AUDIO_RX_FIFO_SIZE != 0 #if CFG_TUD_AUDIO_RX_FIFO_SIZE +#if CFG_TUD_AUDIO_RX_FIFO_COUNT > 1 static bool audio_rx_done_type_I_pcm_ff_cb(uint8_t rhport, audiod_interface_t* audio, uint8_t * buffer, uint16_t bufsize) { (void) rhport; @@ -318,7 +347,23 @@ static bool audio_rx_done_type_I_pcm_ff_cb(uint8_t rhport, audiod_interface_t* a chId = 0; } } -} } + return true; +} +#else +static bool audio_rx_done_type_I_pcm_ff_cb(uint8_t rhport, audiod_interface_t *audio, uint8_t *buffer, uint16_t bufsize) +{ + (void) rhport; + + // We expect to get a multiple of CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_RX * CFG_TUD_AUDIO_N_CHANNELS_RX per channel + if (bufsize % (CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_RX * CFG_TUD_AUDIO_N_CHANNELS_RX) != 0) + { + return false; + } + + tu_fifo_write_n(&audio->rx_ff[0], buffer, bufsize); + return true; +} +#endif // CFG_TUD_AUDIO_RX_FIFO_COUNT > 1 #endif //CFG_TUD_AUDIO_RX_FIFO_SIZE //--------------------------------------------------------------------+ @@ -336,9 +381,9 @@ static bool audio_rx_done_type_I_pcm_ff_cb(uint8_t rhport, audiod_interface_t* a * \param[in] len: # of array elements to copy * \return Number of bytes actually written */ - +#if CFG_TUD_AUDIO_EPSIZE_IN +#if !CFG_TUD_AUDIO_TX_FIFO_SIZE /* This function is intended for later use once EP buffers (at least for ISO EPs) are implemented as ring buffers -#if CFG_TUD_AUDIO_EPSIZE_IN && !CFG_TUD_AUDIO_TX_FIFO_SIZE uint16_t tud_audio_n_write_ep_in_buffer(uint8_t itf, const void * data, uint16_t len) { audiod_interface_t* audio = &_audiod_itf[itf]; @@ -365,11 +410,23 @@ uint16_t tud_audio_n_write_ep_in_buffer(uint8_t itf, const void * data, uint16_t // Return number of bytes written return len; } -#endif - */ -#if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE +#else + +#if CFG_TUD_AUDIO_TX_FIFO_COUNT == 1 +uint16_t tud_audio_n_write(uint8_t itf, void const* data, uint16_t len) +{ + { + audiod_interface_t* audio = &_audiod_itf[itf]; + if (audio->p_desc == NULL) + { + return 0; + } + return tu_fifo_write_n(&audio->tx_ff[0], data, len); + } +} +#else uint16_t tud_audio_n_write(uint8_t itf, uint8_t channelId, const void * data, uint16_t len) { audiod_interface_t* audio = &_audiod_itf[itf]; @@ -381,6 +438,23 @@ uint16_t tud_audio_n_write(uint8_t itf, uint8_t channelId, const void * data, ui } #endif +static bool audiod_tx_done_cb(uint8_t rhport, audiod_interface_t* audio, uint16_t * n_bytes_copied); + +uint16_t tud_audio_n_write_flush(uint8_t itf) +{ + audiod_interface_t *audio = &_audiod_itf[itf]; + if (audio->p_desc == NULL) { + return 0; + } + + uint16_t n_bytes_copied; + TU_VERIFY(audiod_tx_done_cb(audio->rhport, audio, &n_bytes_copied)); + return n_bytes_copied; +} + +#endif +#endif + #if CFG_TUD_AUDIO_INT_CTR_EPSIZE_IN > 0 uint32_t tud_audio_int_ctr_n_write(uint8_t itf, uint8_t const* buffer, uint32_t bufsize) { @@ -477,6 +551,7 @@ static bool audiod_tx_done_cb(uint8_t rhport, audiod_interface_t* audio, uint16_ #endif //CFG_TUD_AUDIO_EPSIZE_IN #if CFG_TUD_AUDIO_TX_FIFO_SIZE +#if CFG_TUD_AUDIO_TX_FIFO_COUNT > 1 || (CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX != CFG_TUD_AUDIO_TX_ITEMSIZE) static bool audiod_tx_done_type_I_pcm_ff_cb(uint8_t rhport, audiod_interface_t* audio) { // We encode directly into IN EP's buffer - abort if previous transfer not complete @@ -484,15 +559,15 @@ static bool audiod_tx_done_type_I_pcm_ff_cb(uint8_t rhport, audiod_interface_t* // Determine amount of samples uint16_t const nEndpointSampleCapacity = CFG_TUD_AUDIO_EPSIZE_IN / CFG_TUD_AUDIO_N_CHANNELS_TX / CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX; - uint16_t nSamplesPerChannelToSend = tu_fifo_count(&audio->tx_ff[0]); + uint16_t nSamplesPerChannelToSend = tu_fifo_count(&audio->tx_ff[0]) / CFG_TUD_AUDIO_TX_ITEMSIZE; uint16_t nBytesToSend; uint8_t cntChannel; for (cntChannel = 1; cntChannel < CFG_TUD_AUDIO_N_CHANNELS_TX; cntChannel++) { - if (audio->tx_ff[cntChannel].count < nSamplesPerChannelToSend) + if (audio->tx_ff[cntChannel].count / CFG_TUD_AUDIO_TX_ITEMSIZE < nSamplesPerChannelToSend) { - nSamplesPerChannelToSend = audio->tx_ff[cntChannel].count; + nSamplesPerChannelToSend = audio->tx_ff[cntChannel].count * CFG_TUD_AUDIO_TX_ITEMSIZE; } } @@ -524,7 +599,7 @@ static bool audiod_tx_done_type_I_pcm_ff_cb(uint8_t rhport, audiod_interface_t* for (cntChannel = 0; cntChannel < CFG_TUD_AUDIO_N_CHANNELS_TX; cntChannel++) { // Get sample from buffer - tu_fifo_read(&audio->tx_ff[cntChannel], &sample); + tu_fifo_read_n(&audio->tx_ff[cntChannel], &sample, CFG_TUD_AUDIO_TX_ITEMSIZE); // Put it into EP's buffer - Let alignment problems be handled by memcpy memcpy(pBuff, &sample, CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX); @@ -539,6 +614,30 @@ static bool audiod_tx_done_type_I_pcm_ff_cb(uint8_t rhport, audiod_interface_t* return true; } +#else +static bool audiod_tx_done_type_I_pcm_ff_cb(uint8_t rhport, audiod_interface_t* audio) +{ + // We encode directly into IN EP's buffer - abort if previous transfer not complete + TU_VERIFY(!usbd_edpt_busy(rhport, audio->ep_in)); + + // Determine amount of samples + uint16_t nByteCount = tu_fifo_count(&audio->tx_ff[0]); + + nByteCount = tu_min16(nByteCount, CFG_TUD_AUDIO_EPSIZE_IN); + + // Check if there is enough + if (nByteCount == 0) + { + return true; + } + + nByteCount = tu_fifo_read_n(&audio->tx_ff[0], audio->epin_buf, nByteCount); + audio->epin_buf_cnt = nByteCount; + + return true; +} +#endif // CFG_TUD_AUDIO_TX_FIFO_COUNT > 1 || (CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX != CFG_TUD_AUDIO_TX_ITEMSIZE) + #endif //CFG_TUD_AUDIO_TX_FIFO_SIZE // This function is called once a transmit of an feedback packet was successfully completed. Here, we get the next feedback value to be sent @@ -588,7 +687,6 @@ static bool audio_int_ctr_done_cb(uint8_t rhport, audiod_interface_t* audio, uin //--------------------------------------------------------------------+ void audiod_init(void) { - uint8_t cnt; tu_memclr(_audiod_itf, sizeof(_audiod_itf)); for(uint8_t i=0; i<CFG_TUD_AUDIO; i++) @@ -597,9 +695,9 @@ void audiod_init(void) // Initialize TX FIFOs if required #if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE - for (cnt = 0; cnt < CFG_TUD_AUDIO_N_CHANNELS_TX; cnt++) + for (uint8_t cnt = 0; cnt < CFG_TUD_AUDIO_TX_FIFO_COUNT; cnt++) { - tu_fifo_config(&audio->tx_ff[cnt], &audio->tx_ff_buf[cnt], CFG_TUD_AUDIO_TX_FIFO_SIZE, CFG_TUD_AUDIO_TX_ITEMSIZE, true); + tu_fifo_config(&audio->tx_ff[cnt], &audio->tx_ff_buf[cnt], CFG_TUD_AUDIO_TX_FIFO_SIZE, 1, true); #if CFG_FIFO_MUTEX tu_fifo_config_mutex(&audio->tx_ff[cnt], osal_mutex_create(&audio->tx_ff_mutex[cnt])); #endif @@ -607,9 +705,9 @@ void audiod_init(void) #endif #if CFG_TUD_AUDIO_EPSIZE_OUT && CFG_TUD_AUDIO_RX_FIFO_SIZE - for (cnt = 0; cnt < CFG_TUD_AUDIO_N_CHANNELS_RX; cnt++) + for (uint8_t cnt = 0; cnt < CFG_TUD_AUDIO_RX_FIFO_COUNT; cnt++) { - tu_fifo_config(&audio->rx_ff[cnt], &audio->rx_ff_buf[cnt], CFG_TUD_AUDIO_RX_FIFO_SIZE, CFG_TUD_AUDIO_RX_ITEMSIZE, true); + tu_fifo_config(&audio->rx_ff[cnt], &audio->rx_ff_buf[cnt], CFG_TUD_AUDIO_RX_FIFO_SIZE, 1, true); #if CFG_FIFO_MUTEX tu_fifo_config_mutex(&audio->rx_ff[cnt], osal_mutex_create(&audio->rx_ff_mutex[cnt])); #endif @@ -634,16 +732,15 @@ void audiod_reset(uint8_t rhport) audiod_interface_t* audio = &_audiod_itf[i]; tu_memclr(audio, ITF_MEM_RESET_SIZE); - uint8_t cnt; #if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE - for (cnt = 0; cnt < CFG_TUD_AUDIO_N_CHANNELS_TX; cnt++) + for (uint8_t cnt = 0; cnt < CFG_TUD_AUDIO_TX_FIFO_COUNT; cnt++) { tu_fifo_clear(&audio->tx_ff[cnt]); } #endif #if CFG_TUD_AUDIO_EPSIZE_OUT && CFG_TUD_AUDIO_RX_FIFO_SIZE - for (cnt = 0; cnt < CFG_TUD_AUDIO_N_CHANNELS_RX; cnt++) + for (uint8_t cnt = 0; cnt < CFG_TUD_AUDIO_RX_FIFO_COUNT; cnt++) { tu_fifo_clear(&audio->rx_ff[cnt]); } diff --git a/src/class/audio/audio_device.h b/src/class/audio/audio_device.h index 2adb95252..2f48955f2 100644 --- a/src/class/audio/audio_device.h +++ b/src/class/audio/audio_device.h @@ -119,6 +119,7 @@ #define CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX 1 #endif +#ifndef CFG_TUD_AUDIO_TX_ITEMSIZE #if CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX == 1 #define CFG_TUD_AUDIO_TX_ITEMSIZE 1 #elif CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX == 2 @@ -126,6 +127,11 @@ #else #define CFG_TUD_AUDIO_TX_ITEMSIZE 4 #endif +#endif + +#if CFG_TUD_AUDIO_TX_ITEMSIZE < CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX +#error FIFO element size (ITEMSIZE) must not be smaller then sample size +#endif #endif @@ -170,9 +176,15 @@ extern "C" { bool tud_audio_n_mounted (uint8_t itf); #if CFG_TUD_AUDIO_EPSIZE_OUT && CFG_TUD_AUDIO_RX_FIFO_SIZE +#if CFG_TUD_AUDIO_RX_FIFO_COUNT > 1 uint16_t tud_audio_n_available (uint8_t itf, uint8_t channelId); uint16_t tud_audio_n_read (uint8_t itf, uint8_t channelId, void* buffer, uint16_t bufsize); void tud_audio_n_read_flush (uint8_t itf, uint8_t channelId); +#else +uint16_t tud_audio_n_available (uint8_t itf); +uint16_t tud_audio_n_read (uint8_t itf, void* buffer, uint16_t bufsize); +void tud_audio_n_read_flush (uint8_t itf); +#endif #endif /* This function is intended for later use once EP buffers (at least for ISO EPs) are implemented as ring buffers @@ -182,7 +194,12 @@ uint16_t tud_audio_n_write_ep_in_buffer(uint8_t itf, const void * data, uint16_t */ #if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE +#if CFG_TUD_AUDIO_TX_FIFO_COUNT > 1 uint16_t tud_audio_n_write (uint8_t itf, uint8_t channelId, const void * data, uint16_t len); +#else +uint16_t tud_audio_n_write (uint8_t itf, const void * data, uint16_t len); +#endif +uint16_t tud_audio_n_write_flush(uint8_t itf); #endif #if CFG_TUD_AUDIO_INT_CTR_EPSIZE_IN > 0 @@ -205,7 +222,11 @@ static inline void tud_audio_read_flush (void); #endif #if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE +#if CFG_TUD_AUDIO_TX_FIFO_COUNT > 1 static inline uint16_t tud_audio_write (uint8_t channelId, uint8_t const* buffer, uint16_t bufsize); +#else +static inline uint16_t tud_audio_write (uint8_t const* buffer, uint16_t bufsize); +#endif #endif #if CFG_TUD_AUDIO_INT_CTR_EPSIZE_IN > 0 @@ -274,14 +295,31 @@ static inline bool tud_audio_mounted(void) return tud_audio_n_mounted(0); } -#if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE -static inline uint16_t tud_audio_write (uint8_t channelId, uint8_t const* buffer, uint16_t bufsize) // Short version if only one audio function is used +#if CFG_TUD_AUDIO_EPSIZE_IN +#if CFG_TUD_AUDIO_TX_FIFO_SIZE && CFG_TUD_AUDIO_TX_FIFO_COUNT > 1 +static inline uint16_t tud_audio_write (uint8_t channelId, uint8_t const* buffer, uint16_t n_bytes) // Short version if only one audio function is used +{ + return tud_audio_n_write(0, channelId, buffer, n_bytes); +} +#else +static inline uint16_t tud_audio_write (uint8_t const* buffer, uint16_t n_bytes) // Short version if only one audio function is used +{ + return tud_audio_n_write(0, buffer, n_bytes); +} +#endif + +static inline uint16_t tud_audio_write_flush (void) // Short version if only one audio function is used { - return tud_audio_n_write(0, channelId, buffer, bufsize); +#if CFG_TUD_AUDIO_TX_FIFO_SIZE + return tud_audio_n_write_flush(0); +#else + return 0; +#endif } #endif // CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE #if CFG_TUD_AUDIO_EPSIZE_OUT && CFG_TUD_AUDIO_RX_FIFO_SIZE +#if CFG_TUD_AUDIO_RX_FIFO_COUNT > 1 static inline uint16_t tud_audio_available(uint8_t channelId) { return tud_audio_n_available(0, channelId); @@ -296,6 +334,22 @@ static inline void tud_audio_read_flush(uint8_t channelId) { tud_audio_n_read_flush(0, channelId); } +#else +static inline uint16_t tud_audio_available(void) +{ + return tud_audio_n_available(0); +} + +static inline uint16_t tud_audio_read(void *buffer, uint16_t bufsize) +{ + return tud_audio_n_read(0, buffer, bufsize); +} + +static inline void tud_audio_read_flush(void) +{ + tud_audio_n_read_flush(0); +} +#endif #endif #if CFG_TUD_AUDIO_INT_CTR_EPSIZE_IN > 0 |