diff options
Diffstat (limited to 'src/class')
| -rw-r--r-- | src/class/audio/audio_device.c | 189 |
1 files changed, 147 insertions, 42 deletions
diff --git a/src/class/audio/audio_device.c b/src/class/audio/audio_device.c index de5a20d6d..5bccc66b7 100644 --- a/src/class/audio/audio_device.c +++ b/src/class/audio/audio_device.c @@ -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; |