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Merge pull request #3153 from Milek7/implicit-fb

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audio_device: Fix data IN endpoints with implicit feedback
This commit is contained in:
Zixun LI
2025-06-27 11:40:25 +02:00
committed by GitHub
parent e95973d346 2843eb4052
commit cc12306e4b
1 changed files with 20 additions and 17 deletions
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37
src/class/audio/audio_device.c
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@@ -1003,20 +1003,22 @@ uint16_t audiod_open(uint8_t rhport, tusb_desc_interface_t const *itf_desc, uint
ep_fb = desc_ep->bEndpointAddress;
}
#endif
// Data EP
if (desc_ep->bmAttributes.usage == 0) {
if (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN) {
#if CFG_TUD_AUDIO_ENABLE_EP_IN
ep_in = desc_ep->bEndpointAddress;
ep_in_size = TU_MAX(tu_edpt_packet_size(desc_ep), ep_in_size);
#endif
} else {
#if CFG_TUD_AUDIO_ENABLE_EP_OUT
ep_out = desc_ep->bEndpointAddress;
ep_out_size = TU_MAX(tu_edpt_packet_size(desc_ep), ep_out_size);
#endif
}
// Data or data with implicit feedback IN EP
if (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN
&& (desc_ep->bmAttributes.usage == 0 || desc_ep->bmAttributes.usage == 2)) {
ep_in = desc_ep->bEndpointAddress;
ep_in_size = TU_MAX(tu_edpt_packet_size(desc_ep), ep_in_size);
}
#endif
#if CFG_TUD_AUDIO_ENABLE_EP_OUT
// Data OUT EP
if (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_OUT
&& desc_ep->bmAttributes.usage == 0) {
ep_out = desc_ep->bEndpointAddress;
ep_out_size = TU_MAX(tu_edpt_packet_size(desc_ep), ep_out_size);
}
#endif
}
}
@@ -1052,10 +1054,10 @@ uint16_t audiod_open(uint8_t rhport, tusb_desc_interface_t const *itf_desc, uint
if (tu_desc_type(p_desc) == TUSB_DESC_ENDPOINT) {
tusb_desc_endpoint_t const *desc_ep = (tusb_desc_endpoint_t const *) p_desc;
if (desc_ep->bmAttributes.xfer == TUSB_XFER_ISOCHRONOUS) {
if (desc_ep->bmAttributes.usage == 0) {
if (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN) {
_audiod_fct[i].interval_tx = desc_ep->bInterval;
}
// For data or data with implicit feedback IN EP
if (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN
&& (desc_ep->bmAttributes.usage == 0 || desc_ep->bmAttributes.usage == 2)) {
_audiod_fct[i].interval_tx = desc_ep->bInterval;
}
}
} else if (tu_desc_type(p_desc) == TUSB_DESC_CS_INTERFACE && tu_desc_subtype(p_desc) == AUDIO_CS_AC_INTERFACE_OUTPUT_TERMINAL) {
@@ -1227,7 +1229,8 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *p
usbd_edpt_clear_stall(rhport, ep_addr);
#if CFG_TUD_AUDIO_ENABLE_EP_IN
if (tu_edpt_dir(ep_addr) == TUSB_DIR_IN && desc_ep->bmAttributes.usage == 0x00)// Check if usage is data EP
// For data or data with implicit feedback IN EP
if (tu_edpt_dir(ep_addr) == TUSB_DIR_IN && (desc_ep->bmAttributes.usage == 0 || desc_ep->bmAttributes.usage == 2))
{
// Save address
audio->ep_in = ep_addr;