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Clear FIFO only if enabled...

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Add buffer align
This commit is contained in:
MasterPhi 2021-07-01 11:45:39 +02:00
parent 6c9a976604
commit 0e7abfcf17
3 changed files with 13 additions and 9 deletions
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14
examples/device/uac2_headset/src/main.c
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@ -78,9 +78,9 @@ int8_t mute[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX + 1]; // +1 for master chan
int16_t volume[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX + 1]; // +1 for master channel 0
// Buffer for microphone data
uint8_t mic_buf[CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ];
int32_t mic_buf[CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ / 4];
// Buffer for speaker data
uint8_t spk_buf[CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ];
int32_t spk_buf[CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ / 4];
// Speaker data size received in the last frame
int spk_data_size;
// Resolution per format
@ -430,14 +430,14 @@ void audio_task(void)
}
else if (current_resolution == 24)
{
int32_t *src = (int32_t*)spk_buf;
int32_t *limit = (int32_t*)spk_buf + spk_data_size / 4;
int32_t *dst = (int32_t*)mic_buf;
int32_t *src = spk_buf;
int32_t *limit = spk_buf + spk_data_size / 4;
int32_t *dst = mic_buf;
while (src < limit)
{
// Combine two channels into one
int32_t left = (*src++);
int32_t right = (*src++);
int32_t left = *src++;
int32_t right = *src++;
*dst++ = (int32_t)((left + right) / 2) & 0xffffff00;
}
tud_audio_write((uint8_t *)mic_buf, spk_data_size / 2);

4
examples/device/uac2_headset/src/tusb_config.h
View File

@ -122,7 +122,7 @@ extern "C" {
#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX)
#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX)
#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ TU_MAX(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN)
#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ TU_MAX(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN)*2
#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SZ_MAX TU_MAX(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN) // Maximum EP IN size for all AS alternate settings used
// EP and buffer size - for isochronous EP´s, the buffer and EP size are equal (different sizes would not make sense)
@ -131,7 +131,7 @@ extern "C" {
#define CFG_TUD_AUDIO_UNC_1_FORMAT_1_EP_SZ_OUT TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX)
#define CFG_TUD_AUDIO_UNC_1_FORMAT_2_EP_SZ_OUT TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_RX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX)
#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ TU_MAX(CFG_TUD_AUDIO_UNC_1_FORMAT_1_EP_SZ_OUT, CFG_TUD_AUDIO_UNC_1_FORMAT_2_EP_SZ_OUT)*3
#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ TU_MAX(CFG_TUD_AUDIO_UNC_1_FORMAT_1_EP_SZ_OUT, CFG_TUD_AUDIO_UNC_1_FORMAT_2_EP_SZ_OUT)*2
#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SZ_MAX TU_MAX(CFG_TUD_AUDIO_UNC_1_FORMAT_1_EP_SZ_OUT, CFG_TUD_AUDIO_UNC_1_FORMAT_2_EP_SZ_OUT) // Maximum EP IN size for all AS alternate settings used
// Number of Standard AS Interface Descriptors (4.9.1) defined per audio function - this is required to be able to remember the current alternate settings of these interfaces - We restrict us here to have a constant number for all audio functions (which means this has to be the maximum number of AS interfaces an audio function has and a second audio function with less AS interfaces just wastes a few bytes)

4
src/class/audio/audio_device.c
View File

@ -1481,8 +1481,10 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
audio->ep_in_as_intf_num = 0;
usbd_edpt_close(rhport, audio->ep_in);
#if !CFG_TUD_AUDIO_ENABLE_ENCODING
// Clear FIFOs, since data is no longer valid
tu_fifo_clear(&audio->ep_in_ff);
#endif
// Invoke callback - can be used to stop data sampling
if (tud_audio_set_itf_close_EP_cb) TU_VERIFY(tud_audio_set_itf_close_EP_cb(rhport, p_request));
@ -1506,8 +1508,10 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
audio->ep_out_as_intf_num = 0;
usbd_edpt_close(rhport, audio->ep_out);
#if !CFG_TUD_AUDIO_ENABLE_ENCODING
// Clear FIFOs, since data is no longer valid
tu_fifo_clear(&audio->ep_out_ff);
#endif
// Invoke callback - can be used to stop data sampling
if (tud_audio_set_itf_close_EP_cb) TU_VERIFY(tud_audio_set_itf_close_EP_cb(rhport, p_request));