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Merge pull request #1828 from HiFiPhile/stm32_fsdev

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stm32_fsdev & ISO EP buffer allocation improvements
This commit is contained in:
Ha Thach
2023-02-28 23:45:02 +07:00
committed by GitHub
parent 65ac519715 ffdc100cb9
commit 3c38c7dc25
15 changed files with 1745 additions and 338 deletions
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189
src/class/audio/audio_device.c
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@@ -76,26 +76,19 @@
// Linear buffer in case target MCU is not capable of handling a ring buffer FIFO e.g. no hardware buffer
// is available or driver is would need to be changed dramatically
// Only STM32 synopsys and dcd_transdimension use non-linear buffer for now
// Synopsys detection copied from dcd_synopsys.c (refactor later on)
#if defined (STM32F105x8) || defined (STM32F105xB) || defined (STM32F105xC) || \
defined (STM32F107xB) || defined (STM32F107xC)
#define STM32F1_SYNOPSYS
#endif
#if defined (STM32L475xx) || defined (STM32L476xx) || \
defined (STM32L485xx) || defined (STM32L486xx) || defined (STM32L496xx) || \
defined (STM32L4R5xx) || defined (STM32L4R7xx) || defined (STM32L4R9xx) || \
defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined (STM32L4S9xx)
#define STM32L4_SYNOPSYS
#endif
#if (CFG_TUSB_MCU == OPT_MCU_STM32F1 && defined(STM32F1_SYNOPSYS)) || \
// Only STM32 and dcd_transdimension use non-linear buffer for now
#if CFG_TUSB_MCU == OPT_MCU_STM32F0 || \
CFG_TUSB_MCU == OPT_MCU_STM32F1 || \
CFG_TUSB_MCU == OPT_MCU_STM32F2 || \
CFG_TUSB_MCU == OPT_MCU_STM32F3 || \
CFG_TUSB_MCU == OPT_MCU_STM32F4 || \
CFG_TUSB_MCU == OPT_MCU_STM32F7 || \
CFG_TUSB_MCU == OPT_MCU_STM32H7 || \
(CFG_TUSB_MCU == OPT_MCU_STM32L4 && defined(STM32L4_SYNOPSYS)) || \
CFG_TUSB_MCU == OPT_MCU_STM32L0 || \
CFG_TUSB_MCU == OPT_MCU_STM32L1 || \
CFG_TUSB_MCU == OPT_MCU_STM32L4 || \
CFG_TUSB_MCU == OPT_MCU_STM32G4 || \
CFG_TUSB_MCU == OPT_MCU_STM32WB || \
CFG_TUSB_MCU == OPT_MCU_RX63X || \
CFG_TUSB_MCU == OPT_MCU_RX65X || \
CFG_TUSB_MCU == OPT_MCU_RX72N || \
@@ -113,6 +106,33 @@
#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 || \
(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
#endif
// Declaration of buffers
// Check for maximum supported numbers
@@ -1471,6 +1491,83 @@ uint16_t audiod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uin
#endif
}
#if USE_ISO_EP_ALLOCATION
#if CFG_TUD_AUDIO_ENABLE_EP_IN
uint8_t ep_in = 0;
uint16_t ep_in_size = 0;
#endif
#if CFG_TUD_AUDIO_ENABLE_EP_OUT
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
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)
{
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_FEEDBACK_EP
// Explicit feedback EP
if (desc_ep->bmAttributes.usage == 1)
{
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
}
}
}
}
p_desc = tu_desc_next(p_desc);
}
#if CFG_TUD_AUDIO_ENABLE_EP_IN
if (ep_in)
{
usbd_edpt_iso_alloc(rhport, ep_in, ep_in_size);
}
#endif
#if CFG_TUD_AUDIO_ENABLE_EP_OUT
if (ep_out)
{
usbd_edpt_iso_alloc(rhport, ep_out, ep_out_size);
}
#endif
#if CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP
if (ep_fb)
{
usbd_edpt_iso_alloc(rhport, ep_fb, 4);
}
#endif
#endif // USE_ISO_EP_ALLOCATION
break;
}
}
@@ -1532,17 +1629,19 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
if (audio->ep_in_as_intf_num == itf)
{
audio->ep_in_as_intf_num = 0;
#if !USE_ISO_EP_ALLOCATION
usbd_edpt_close(rhport, audio->ep_in);
#endif
// Clear FIFOs, since data is no longer valid
#if !CFG_TUD_AUDIO_ENABLE_ENCODING
#if !CFG_TUD_AUDIO_ENABLE_ENCODING
tu_fifo_clear(&audio->ep_in_ff);
#else
#else
for (uint8_t cnt = 0; cnt < audio->n_tx_supp_ff; cnt++)
{
tu_fifo_clear(&audio->tx_supp_ff[cnt]);
}
#endif
#endif
// Invoke callback - can be used to stop data sampling
if (tud_audio_set_itf_close_EP_cb) TU_VERIFY(tud_audio_set_itf_close_EP_cb(rhport, p_request));
@@ -1550,23 +1649,25 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
audio->ep_in = 0; // Necessary?
}
#endif
#endif // CFG_TUD_AUDIO_ENABLE_EP_IN
#if CFG_TUD_AUDIO_ENABLE_EP_OUT
if (audio->ep_out_as_intf_num == itf)
{
audio->ep_out_as_intf_num = 0;
#if !USE_ISO_EP_ALLOCATION
usbd_edpt_close(rhport, audio->ep_out);
#endif
// Clear FIFOs, since data is no longer valid
#if !CFG_TUD_AUDIO_ENABLE_DECODING
#if !CFG_TUD_AUDIO_ENABLE_DECODING
tu_fifo_clear(&audio->ep_out_ff);
#else
#else
for (uint8_t cnt = 0; cnt < audio->n_rx_supp_ff; cnt++)
{
tu_fifo_clear(&audio->rx_supp_ff[cnt]);
}
#endif
#endif
// Invoke callback - can be used to stop data sampling
if (tud_audio_set_itf_close_EP_cb) TU_VERIFY(tud_audio_set_itf_close_EP_cb(rhport, p_request));
@@ -1574,13 +1675,15 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
audio->ep_out = 0; // Necessary?
// Close corresponding feedback EP
#if CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP
#if CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP
#if !USE_ISO_EP_ALLOCATION
usbd_edpt_close(rhport, audio->ep_fb);
#endif
audio->ep_fb = 0;
tu_memclr(&audio->feedback, sizeof(audio->feedback));
#endif
#endif
}
#endif
#endif // CFG_TUD_AUDIO_ENABLE_EP_OUT
// Save current alternative interface setting
audio->alt_setting[idxItf] = alt;
@@ -1605,8 +1708,11 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
if (tu_desc_type(p_desc) == TUSB_DESC_ENDPOINT)
{
tusb_desc_endpoint_t const* desc_ep = (tusb_desc_endpoint_t const *) p_desc;
#if USE_ISO_EP_ALLOCATION
TU_ASSERT(usbd_edpt_iso_activate(rhport, desc_ep));
#else
TU_ASSERT(usbd_edpt_open(rhport, desc_ep));
#endif
uint8_t const ep_addr = desc_ep->bEndpointAddress;
//TODO: We need to set EP non busy since this is not taken care of right now in ep_close() - THIS IS A WORKAROUND!
@@ -1621,11 +1727,11 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
audio->ep_in_sz = tu_edpt_packet_size(desc_ep);
// If software encoding is enabled, parse for the corresponding parameters - doing this here means only AS interfaces with EPs get scanned for parameters
#if CFG_TUD_AUDIO_ENABLE_ENCODING
#if CFG_TUD_AUDIO_ENABLE_ENCODING
audiod_parse_for_AS_params(audio, p_desc_parse_for_params, p_desc_end, itf);
// Reconfigure size of support FIFOs - this is necessary to avoid samples to get split in case of a wrap
#if CFG_TUD_AUDIO_ENABLE_TYPE_I_ENCODING
#if CFG_TUD_AUDIO_ENABLE_TYPE_I_ENCODING
const uint16_t active_fifo_depth = (uint16_t) ((audio->tx_supp_ff_sz_max / audio->n_bytes_per_sampe_tx) * audio->n_bytes_per_sampe_tx);
for (uint8_t cnt = 0; cnt < audio->n_tx_supp_ff; cnt++)
{
@@ -1633,9 +1739,8 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
}
audio->n_ff_used_tx = audio->n_channels_tx / audio->n_channels_per_ff_tx;
TU_ASSERT( audio->n_ff_used_tx <= audio->n_tx_supp_ff );
#endif
#endif
#endif
#endif
// Schedule first transmit if alternate interface is not zero i.e. streaming is disabled - in case no sample data is available a ZLP is loaded
// It is necessary to trigger this here since the refill is done with an RX FIFO empty interrupt which can only trigger if something was in there
@@ -1652,11 +1757,11 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
audio->ep_out_as_intf_num = itf;
audio->ep_out_sz = tu_edpt_packet_size(desc_ep);
#if CFG_TUD_AUDIO_ENABLE_DECODING
#if CFG_TUD_AUDIO_ENABLE_DECODING
audiod_parse_for_AS_params(audio, p_desc_parse_for_params, p_desc_end, itf);
// Reconfigure size of support FIFOs - this is necessary to avoid samples to get split in case of a wrap
#if CFG_TUD_AUDIO_ENABLE_TYPE_I_DECODING
#if CFG_TUD_AUDIO_ENABLE_TYPE_I_DECODING
const uint16_t active_fifo_depth = (audio->rx_supp_ff_sz_max / audio->n_bytes_per_sampe_rx) * audio->n_bytes_per_sampe_rx;
for (uint8_t cnt = 0; cnt < audio->n_rx_supp_ff; cnt++)
{
@@ -1664,18 +1769,18 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
}
audio->n_ff_used_rx = audio->n_channels_rx / audio->n_channels_per_ff_rx;
TU_ASSERT( audio->n_ff_used_rx <= audio->n_rx_supp_ff );
#endif
#endif
#endif
#endif
// Prepare for incoming data
#if USE_LINEAR_BUFFER_RX
#if USE_LINEAR_BUFFER_RX
TU_VERIFY(usbd_edpt_xfer(rhport, audio->ep_out, audio->lin_buf_out, audio->ep_out_sz), false);
#else
#else
TU_VERIFY(usbd_edpt_xfer_fifo(rhport, audio->ep_out, &audio->ep_out_ff, audio->ep_out_sz), false);
#endif
#endif
}
#if CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP
#if CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP
if (tu_edpt_dir(ep_addr) == TUSB_DIR_IN && desc_ep->bmAttributes.usage == 1) // Check if usage is explicit data feedback
{
audio->ep_fb = ep_addr;
@@ -1684,7 +1789,7 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
// Enable SOF interrupt if callback is implemented
if (tud_audio_feedback_interval_isr) usbd_sof_enable(rhport, true);
}
#endif
#endif
#endif // CFG_TUD_AUDIO_ENABLE_EP_OUT
foundEPs += 1;
@@ -1735,7 +1840,7 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
default: break;
}
}
#endif
#endif // CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP
// We are done - abort loop
break;