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Fix mic audio descriptor, fix too strict check on IAD desc. in usbd.c

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This commit is contained in:
Reinhard Panhuber
2020-06-13 12:36:05 +02:00
parent d2f1bb58b3
commit 4362665fb3
5 changed files with 330 additions and 209 deletions
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8
src/class/audio/audio_device.c
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@@ -632,7 +632,7 @@ void audiod_reset(uint8_t rhport)
}
}
bool audiod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t *p_length)
uint16_t audiod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len)
{
TU_VERIFY ( TUSB_CLASS_AUDIO == itf_desc->bInterfaceClass &&
AUDIO_SUBCLASS_CONTROL == itf_desc->bInterfaceSubClass);
@@ -666,9 +666,11 @@ bool audiod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_
// This is all we need so far - the EPs are setup by a later set_interface request (as per UAC2 specification)
// Notify caller we read complete descriptor
(*p_length) += tud_audio_desc_lengths[i];
// (*p_length) += tud_audio_desc_lengths[i];
// TODO: Find a way to find end of current audio function and avoid necessity of tud_audio_desc_lengths - since now max_length is available we could do this surely somehow
uint16_t drv_len = tud_audio_desc_lengths[i] - TUD_AUDIO_DESC_IAD_LEN; // - TUD_AUDIO_DESC_IAD_LEN since tinyUSB already handles the IAD descriptor
return true;
return drv_len;
}
static bool audiod_get_interface(uint8_t rhport, tusb_control_request_t const * p_request)