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Optimize descriptor looping.

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This commit is contained in:
Mengsk 2022-12-31 13:37:22 +01:00
parent 35fa6b660a
commit 51bb27a131
1 changed files with 20 additions and 30 deletions
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50
src/class/audio/audio_device.c
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@ -106,13 +106,28 @@
#define USE_LINEAR_BUFFER 1
#endif
#if defined(STM32F102x6) || defined(STM32F102xB) || \
defined(STM32F103x6) || defined(STM32F103xB) || \
defined(STM32F103xE) || defined(STM32F103xG)
#define STM32F1_FSDEV
#endif
#if defined(STM32L412xx) || defined(STM32L422xx) || \
defined(STM32L432xx) || defined(STM32L433xx) || \
defined(STM32L442xx) || defined(STM32L443xx) || \
defined(STM32L452xx) || defined(STM32L462xx)
#define STM32L4_FSDEV
#endif
// Temporarily put the check here for stm32_fsdev
#if CFG_TUSB_MCU == OPT_MCU_STM32F0 || \
CFG_TUSB_MCU == OPT_MCU_STM32F3 || \
CFG_TUSB_MCU == OPT_MCU_STM32L0 || \
CFG_TUSB_MCU == OPT_MCU_STM32L1 || \
CFG_TUSB_MCU == OPT_MCU_STM32G4 || \
CFG_TUSB_MCU == OPT_MCU_STM32WB
CFG_TUSB_MCU == OPT_MCU_STM32WB || \
(TU_CHECK_MCU(OPT_MCU_STM32F1) && defined(STM32F1_FSDEV)) || \
(TU_CHECK_MCU(OPT_MCU_STM32L4) && defined(STM32L4_FSDEV))
#define USE_ISO_EP_ALLOCATION 1
#else
#define USE_ISO_EP_ALLOCATION 0
@ -1481,18 +1496,17 @@ uint16_t audiod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uin
#if USE_ISO_EP_ALLOCATION
#if CFG_TUD_AUDIO_ENABLE_EP_IN
uint8_t ep_in = 0;
uint8_t ep_in = 0;
uint16_t ep_in_size = 0;
#endif
#if CFG_TUD_AUDIO_ENABLE_EP_OUT
uint8_t ep_out = 0;
uint8_t ep_out = 0;
uint16_t ep_out_size = 0;
#endif
#if CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP
uint8_t ep_fb = 0;
#endif
// First find EP addr
uint8_t const *p_desc = _audiod_fct[i].p_desc;
uint8_t const *p_desc_end = p_desc + _audiod_fct[i].desc_length - TUD_AUDIO_DESC_IAD_LEN;
while (p_desc < p_desc_end)
@ -1516,11 +1530,13 @@ uint16_t audiod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uin
{
#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
}
}
@ -1530,32 +1546,6 @@ uint16_t audiod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uin
p_desc = tu_desc_next(p_desc);
}
// Then find EP max size
p_desc = _audiod_fct[i].p_desc;
while (p_desc < p_desc_end)
{
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 CFG_TUD_AUDIO_ENABLE_EP_IN
if (desc_ep->bEndpointAddress == ep_in)
{
ep_in_size = TU_MAX(tu_edpt_packet_size(desc_ep), ep_in_size);
}
#endif
#if CFG_TUD_AUDIO_ENABLE_EP_OUT
if (desc_ep->bEndpointAddress == ep_out)
{
ep_out_size = TU_MAX(tu_edpt_packet_size(desc_ep), ep_out_size);
}
#endif
}
}
p_desc = tu_desc_next(p_desc);
}
#if CFG_TUD_AUDIO_ENABLE_EP_IN
if (ep_in)
{