diff options
| author | HiFiPhile <[email protected]> | 2024-05-08 23:17:56 +0200 |
|---|---|---|
| committer | HiFiPhile <[email protected]> | 2024-05-08 23:17:56 +0200 |
| commit | 0e907b49c90d53023731dd1e21bbdcb1fdb95e11 (patch) | |
| tree | 34a4dcc5bde04d1e7536c6b22a9fc12b05e2d8da /src/class/audio/audio_device.h | |
| parent | ab539895a5be8138ae60aecedac6d32a1748bffc (diff) | |
Add callback to to set feedback format correction at runtime.
Diffstat (limited to 'src/class/audio/audio_device.h')
| -rw-r--r-- | src/class/audio/audio_device.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/class/audio/audio_device.h b/src/class/audio/audio_device.h index 5a1c51eaf..ae253f49d 100644 --- a/src/class/audio/audio_device.h +++ b/src/class/audio/audio_device.h @@ -193,6 +193,7 @@ #endif // Enable/disable conversion from 16.16 to 10.14 format on full-speed devices. See tud_audio_n_fb_set(). +// Can be override by tud_audio_feedback_format_correction_cb() #ifndef CFG_TUD_AUDIO_ENABLE_FEEDBACK_FORMAT_CORRECTION #define CFG_TUD_AUDIO_ENABLE_FEEDBACK_FORMAT_CORRECTION 0 // 0 or 1 #endif @@ -491,8 +492,8 @@ void tud_audio_fb_done_cb(uint8_t func_id); // This function is used to provide data rate feedback from an asynchronous sink. Feedback value will be sent at FB endpoint interval till it's changed. // // The feedback format is specified to be 16.16 for HS and 10.14 for FS devices (see Universal Serial Bus Specification Revision 2.0 5.12.4.2). By default, -// the choice of format is left to the caller and feedback argument is sent as-is. If CFG_TUD_AUDIO_ENABLE_FEEDBACK_FORMAT_CORRECTION is set -// then tinyusb expects 16.16 format and handles the conversion to 10.14 on FS. +// the choice of format is left to the caller and feedback argument is sent as-is. If CFG_TUD_AUDIO_ENABLE_FEEDBACK_FORMAT_CORRECTION is set or tud_audio_feedback_format_correction_cb() +// return true, then tinyusb expects 16.16 format and handles the conversion to 10.14 on FS. // // Note that due to a bug in its USB Audio 2.0 driver, Windows currently requires 16.16 format for _all_ USB 2.0 devices. On Linux and it seems the // driver can work with either format. @@ -545,6 +546,9 @@ void tud_audio_feedback_params_cb(uint8_t func_id, uint8_t alt_itf, audio_feedba // interval_shift: number of bit shift i.e log2(interval) from Feedback endpoint descriptor TU_ATTR_FAST_FUNC void tud_audio_feedback_interval_isr(uint8_t func_id, uint32_t frame_number, uint8_t interval_shift); +// (Full-Speed only) Callback to set feedback format correction is applied or not, +// default to CFG_TUD_AUDIO_ENABLE_FEEDBACK_FORMAT_CORRECTION if not implemented. +bool tud_audio_feedback_format_correction_cb(uint8_t func_id); #endif // CFG_TUD_AUDIO_ENABLE_EP_OUT && CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP #if CFG_TUD_AUDIO_ENABLE_INTERRUPT_EP |