diff options
| author | HiFiPhile <[email protected]> | 2023-10-17 09:46:01 +0200 |
|---|---|---|
| committer | HiFiPhile <[email protected]> | 2023-10-17 09:46:01 +0200 |
| commit | 656e1e416aa9dbd7ba4c18e777f7294a101f0667 (patch) | |
| tree | 99a3aaf71cbbd2b751ddf15852dea1f284e652e2 /src/class/audio/audio_device.h | |
| parent | 118823c254ab002cf3aeed54653de0c9a93672d3 (diff) | |
Add flow control for IN transfer.
Diffstat (limited to 'src/class/audio/audio_device.h')
| -rw-r--r-- | src/class/audio/audio_device.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/class/audio/audio_device.h b/src/class/audio/audio_device.h index 7c88b99fc..4cb3ca84c 100644 --- a/src/class/audio/audio_device.h +++ b/src/class/audio/audio_device.h @@ -181,6 +181,11 @@ #endif #endif +// (For TYPE-I format only) Flow control is necessary to allow IN ep send correct amount of data, unless it's a virtual device where data is perfectly synchronized to USB clock. +#ifndef CFG_TUD_AUDIO_EP_IN_FLOW_CONTROL +#define CFG_TUD_AUDIO_EP_IN_FLOW_CONTROL 1 +#endif + // Enable/disable feedback EP (required for asynchronous RX applications) #ifndef CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP #define CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP 0 // Feedback - 0 or 1 @@ -392,6 +397,10 @@ tu_fifo_t* tud_audio_n_get_tx_support_ff (uint8_t func_id, uint8_t ff_i uint16_t tud_audio_int_ctr_n_write (uint8_t func_id, uint8_t const* buffer, uint16_t len); #endif +#if CFG_TUD_AUDIO_ENABLE_EP_IN && CFG_TUD_AUDIO_EP_IN_FLOW_CONTROL +bool tud_audio_n_set_tx_flow_control (uint8_t func_id, uint32_t sample_rate); +#endif + //--------------------------------------------------------------------+ // Application API (Interface0) //--------------------------------------------------------------------+ @@ -670,6 +679,13 @@ static inline uint16_t tud_audio_int_ctr_write(uint8_t const* buffer, uint16_t l } #endif +#if CFG_TUD_AUDIO_ENABLE_EP_IN && CFG_TUD_AUDIO_EP_IN_FLOW_CONTROL +static inline bool tud_audio_set_tx_flow_control(uint32_t sample_rate) +{ + return tud_audio_n_set_tx_flow_control(0, sample_rate); +} +#endif + #if CFG_TUD_AUDIO_ENABLE_EP_OUT && CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP static inline bool tud_audio_fb_set(uint32_t feedback) |