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-rw-r--r--src/class/audio/audio_device.c32
-rw-r--r--src/class/audio/audio_device.h8
2 files changed, 20 insertions, 20 deletions
diff --git a/src/class/audio/audio_device.c b/src/class/audio/audio_device.c
index 6fe5d6717..cbb13afc9 100644
--- a/src/class/audio/audio_device.c
+++ b/src/class/audio/audio_device.c
@@ -80,7 +80,7 @@ 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_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];
#if CFG_FIFO_MUTEX
osal_mutex_def_t tx_ff_mutex[CFG_TUD_AUDIO_N_CHANNELS_TX];
#endif
@@ -88,7 +88,7 @@ typedef struct
#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_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];
#if CFG_FIFO_MUTEX
osal_mutex_def_t rx_ff_mutex[CFG_TUD_AUDIO_N_CHANNELS_RX];
#endif
@@ -404,10 +404,12 @@ static bool audio_tx_done_type_I_pcm_ff_cb(uint8_t rhport, audiod_interface_t* a
TU_VERIFY(!usbd_edpt_busy(rhport, audio->ep_in));
// Determine amount of samples
- uint16_t nSamplesPerChannelToSend = 0xFFFF;
+ 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 nBytesToSend;
uint8_t cntChannel;
- for (cntChannel = 0; cntChannel < CFG_TUD_AUDIO_N_CHANNELS_TX; cntChannel++)
+ for (cntChannel = 1; cntChannel < CFG_TUD_AUDIO_N_CHANNELS_TX; cntChannel++)
{
if (audio->tx_ff[cntChannel].count < nSamplesPerChannelToSend)
{
@@ -423,10 +425,8 @@ static bool audio_tx_done_type_I_pcm_ff_cb(uint8_t rhport, audiod_interface_t* a
}
// Limit to maximum sample number - THIS IS A POSSIBLE ERROR SOURCE IF TOO MANY SAMPLE WOULD NEED TO BE SENT BUT CAN NOT!
- if (nSamplesPerChannelToSend * CFG_TUD_AUDIO_N_CHANNELS_TX * CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX > CFG_TUD_AUDIO_EPSIZE_IN)
- {
- nSamplesPerChannelToSend = CFG_TUD_AUDIO_EPSIZE_IN / CFG_TUD_AUDIO_N_CHANNELS_TX / CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX;
- }
+ nSamplesPerChannelToSend = min(nSamplesPerChannelToSend, nEndpointSampleCapacity);
+ nBytesToSend = nSamplesPerChannelToSend * CFG_TUD_AUDIO_N_CHANNELS_TX * CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX;
// Encode
uint16_t cntSample;
@@ -456,8 +456,8 @@ static bool audio_tx_done_type_I_pcm_ff_cb(uint8_t rhport, audiod_interface_t* a
}
// Schedule transmit
- TU_VERIFY(usbd_edpt_xfer(rhport, audio->ep_in, audio->epin_buf, nSamplesPerChannelToSend*CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX));
- *n_bytes_copied = nSamplesPerChannelToSend*CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX;
+ TU_VERIFY(usbd_edpt_xfer(rhport, audio->ep_in, audio->epin_buf, nBytesToSend));
+ *n_bytes_copied = nBytesToSend;
return true;
}
@@ -689,7 +689,7 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
// Open new EP if necessary - EPs are only to be closed or opened for AS interfaces - Look for AS interface with correct alternate interface
// Get pointer at end
- uint8_t const *p_desc_end = _audiod_itf[idxDriver].p_desc + tud_audio_desc_lengths[idxDriver];
+ uint8_t const *p_desc_end = _audiod_itf[idxDriver].p_desc + tud_audio_desc_lengths[idxDriver] - TUD_AUDIO_DESC_IAD_LEN;
// p_desc starts at required interface with alternate setting zero
while (p_desc < p_desc_end)
@@ -1002,10 +1002,10 @@ bool audiod_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint3
// This is the only place where we can fill something into the EPs buffer!
// Load new data
- uint16_t *n_bytes_copied = NULL;
- TU_VERIFY(audio_tx_done_cb(rhport, &_audiod_itf[idxDriver], n_bytes_copied));
+ uint16_t n_bytes_copied;
+ TU_VERIFY(audio_tx_done_cb(rhport, &_audiod_itf[idxDriver], &n_bytes_copied));
- if (*n_bytes_copied == 0)
+ if (n_bytes_copied == 0)
{
// Load with ZLP
return usbd_edpt_xfer(rhport, ep_addr, NULL, 0);
@@ -1113,7 +1113,7 @@ static bool audiod_get_AS_interface_index(uint8_t itf, uint8_t *idxDriver, uint8
if (_audiod_itf[i].p_desc)
{
// Get pointer at end
- uint8_t const *p_desc_end = _audiod_itf[i].p_desc + tud_audio_desc_lengths[i];
+ uint8_t const *p_desc_end = _audiod_itf[i].p_desc + tud_audio_desc_lengths[i] - TUD_AUDIO_DESC_IAD_LEN;
// Advance past AC descriptors
uint8_t const *p_desc = tu_desc_next(_audiod_itf[i].p_desc);
@@ -1178,7 +1178,7 @@ static bool audiod_verify_itf_exists(uint8_t itf, uint8_t *idxDriver)
{
// Get pointer at beginning and end
uint8_t const *p_desc = _audiod_itf[i].p_desc;
- uint8_t const *p_desc_end = _audiod_itf[i].p_desc + tud_audio_desc_lengths[i];
+ uint8_t const *p_desc_end = _audiod_itf[i].p_desc + tud_audio_desc_lengths[i] - TUD_AUDIO_DESC_IAD_LEN;
while (p_desc < p_desc_end)
{
diff --git a/src/class/audio/audio_device.h b/src/class/audio/audio_device.h
index c23cf72c2..41356c61a 100644
--- a/src/class/audio/audio_device.h
+++ b/src/class/audio/audio_device.h
@@ -171,7 +171,7 @@ uint16_t tud_audio_n_read (uint8_t itf, uint8_t channelId, void* buffer, u
void tud_audio_n_read_flush (uint8_t itf, uint8_t channelId);
#endif
-#if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_BUFSIZE
+#if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE
uint16_t tud_audio_n_write (uint8_t itf, uint8_t channelId, uint8_t const* buffer, uint16_t bufsize);
#endif
@@ -194,7 +194,7 @@ inline uint16_t tud_audio_read (void* buffer, uint16_t bufsize);
inline void tud_audio_read_flush (void);
#endif
-#if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_BUFSIZE
+#if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE
inline uint16_t tud_audio_write (uint8_t channelId, uint8_t const* buffer, uint16_t bufsize);
#endif
@@ -263,12 +263,12 @@ inline bool tud_audio_mounted(void)
return tud_audio_n_mounted(0);
}
-#if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_BUFSIZE
+#if CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE
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
{
return tud_audio_n_write(0, channelId, buffer, bufsize);
}
-#endif // CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_BUFSIZE
+#endif // CFG_TUD_AUDIO_EPSIZE_IN && CFG_TUD_AUDIO_TX_FIFO_SIZE
#if CFG_TUD_AUDIO_EPSIZE_OUT && CFG_TUD_AUDIO_RX_BUFSIZE
inline uint16_t tud_audio_available(uint8_t channelId)
generated by cgit v1.3.1 (git 2.54.0) at 2026-08-17 09:58:00 +0000