diff options
| author | HiFiPhile <[email protected]> | 2026-06-22 21:30:58 +0200 |
|---|---|---|
| committer | HiFiPhile <[email protected]> | 2026-06-22 21:30:58 +0200 |
| commit | 693cdce08e14833f26f4e8a1f26e4fd546be4c35 (patch) | |
| tree | 7667d2223dc32d9f21b5b60ab200e64ed46e3e20 /src/class/midi/midi_host.c | |
| parent | 41e9eaa65a935136085d78ec4b99c81ff991b560 (diff) | |
| parent | cd3561bf158afd5a5718904b8139a338d1e3b67c (diff) | |
Merge remote-tracking branch 'tinyusb/master' into pr-osal-spin-deinit
Signed-off-by: HiFiPhile <[email protected]>
Diffstat (limited to 'src/class/midi/midi_host.c')
| -rw-r--r-- | src/class/midi/midi_host.c | 144 |
1 files changed, 76 insertions, 68 deletions
diff --git a/src/class/midi/midi_host.c b/src/class/midi/midi_host.c index e6ace316c..a53546404 100644 --- a/src/class/midi/midi_host.c +++ b/src/class/midi/midi_host.c @@ -57,10 +57,7 @@ typedef struct { uint8_t daddr; uint8_t bInterfaceNumber; // interface number of MIDI streaming uint8_t iInterface; - uint8_t itf_count; // number of interface including Audio Control + MIDI streaming - - uint8_t ep_in; // IN endpoint address - uint8_t ep_out; // OUT endpoint address + uint8_t itf_count; // number of interfaces including Audio Control + MIDI streaming uint8_t rx_cable_count; // IN endpoint CS descriptor bNumEmbMIDIJack value uint8_t tx_cable_count; // OUT endpoint CS descriptor bNumEmbMIDIJack value @@ -86,8 +83,8 @@ typedef struct { }midih_interface_t; typedef struct { - TUH_EPBUF_DEF(tx, TUH_EPSIZE_BULK_MPS); - TUH_EPBUF_DEF(rx, TUH_EPSIZE_BULK_MPS); + TUH_EPBUF_DEF(tx, TUH_EPSIZE_BULK_MAX); + TUH_EPBUF_DEF(rx, TUH_EPSIZE_BULK_MAX); } midih_epbuf_t; static midih_interface_t _midi_host[CFG_TUH_MIDI]; @@ -124,9 +121,9 @@ bool midih_init(void) { for (int inst = 0; inst < CFG_TUH_MIDI; inst++) { midih_interface_t *p_midi_host = &_midi_host[inst]; tu_edpt_stream_init(&p_midi_host->ep_stream.rx, true, false, false, - p_midi_host->ep_stream.rx_ff_buf, CFG_TUH_MIDI_RX_BUFSIZE, _midi_epbuf->rx, TUH_EPSIZE_BULK_MPS); + p_midi_host->ep_stream.rx_ff_buf, CFG_TUH_MIDI_RX_BUFSIZE, _midi_epbuf[inst].rx); tu_edpt_stream_init(&p_midi_host->ep_stream.tx, true, true, false, - p_midi_host->ep_stream.tx_ff_buf, CFG_TUH_MIDI_TX_BUFSIZE, _midi_epbuf->tx, TUH_EPSIZE_BULK_MPS); + p_midi_host->ep_stream.tx_ff_buf, CFG_TUH_MIDI_TX_BUFSIZE, _midi_epbuf[inst].tx); } return true; } @@ -147,8 +144,6 @@ void midih_close(uint8_t daddr) { TU_LOG_DRV(" MIDI close addr = %u index = %u\r\n", daddr, idx); tuh_midi_umount_cb(idx); - p_midi->ep_in = 0; - p_midi->ep_out = 0; p_midi->bInterfaceNumber = 0; p_midi->rx_cable_count = 0; p_midi->tx_cable_count = 0; @@ -169,23 +164,25 @@ bool midih_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint const uint8_t idx = get_idx_by_ep_addr(dev_addr, ep_addr); TU_VERIFY(idx < CFG_TUH_MIDI); midih_interface_t *p_midi = &_midi_host[idx]; + tu_edpt_stream_t *ep_str_rx = &p_midi->ep_stream.rx; + tu_edpt_stream_t *ep_str_tx = &p_midi->ep_stream.tx; - if (ep_addr == p_midi->ep_stream.rx.ep_addr) { + if (ep_addr == ep_str_rx->ep_addr) { // receive new data, put it into FIFO and invoke callback if available // Note: some devices send back all zero packets even if there is no data ready - if (xferred_bytes && !tu_mem_is_zero(p_midi->ep_stream.rx.ep_buf, xferred_bytes)) { - tu_edpt_stream_read_xfer_complete(&p_midi->ep_stream.rx, xferred_bytes); + if (xferred_bytes && !tu_mem_is_zero(ep_str_rx->ep_buf, xferred_bytes)) { + tu_edpt_stream_read_xfer_complete(ep_str_rx, xferred_bytes); tuh_midi_rx_cb(idx, xferred_bytes); } - tu_edpt_stream_read_xfer(dev_addr, &p_midi->ep_stream.rx); // prepare for next transfer - } else if (ep_addr == p_midi->ep_stream.tx.ep_addr) { + tu_edpt_stream_read_xfer(ep_str_rx); // prepare for next transfer + } else if (ep_addr == ep_str_tx->ep_addr) { tuh_midi_tx_cb(idx, xferred_bytes); - if (0 == tu_edpt_stream_write_xfer(dev_addr, &p_midi->ep_stream.tx)) { + if (0 == tu_edpt_stream_write_xfer(ep_str_tx)) { // If there is no data left, a ZLP should be sent if // xferred_bytes is multiple of EP size and not zero - tu_edpt_stream_write_zlp_if_needed(dev_addr, &p_midi->ep_stream.tx, xferred_bytes); + tu_edpt_stream_write_zlp_if_needed(ep_str_tx, xferred_bytes); } } @@ -195,15 +192,16 @@ bool midih_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint //--------------------------------------------------------------------+ // Enumeration //--------------------------------------------------------------------+ -bool midih_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t max_len) { +uint16_t midih_open(uint8_t rhport, uint8_t dev_addr, const tusb_desc_interface_t *desc_itf, uint16_t max_len) { (void) rhport; - TU_VERIFY(TUSB_CLASS_AUDIO == desc_itf->bInterfaceClass); - const uint8_t *p_end = ((const uint8_t *) desc_itf) + max_len; - const uint8_t *p_desc = (const uint8_t *) desc_itf; + TU_VERIFY(TUSB_CLASS_AUDIO == desc_itf->bInterfaceClass, 0); + const uint8_t *desc_start = (const uint8_t *)desc_itf; + const uint8_t *p_desc = desc_start; + const uint8_t *desc_end = desc_start + max_len; const uint8_t idx = find_new_midi_index(); - TU_VERIFY(idx < CFG_TUH_MIDI); + TU_VERIFY(idx < CFG_TUH_MIDI, 0); midih_interface_t *p_midi = &_midi_host[idx]; p_midi->itf_count = 0; @@ -220,29 +218,30 @@ bool midih_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *d // driver after parsing the audio control interface and then resume parsing // the streaming audio interface. if (AUDIO_SUBCLASS_CONTROL == desc_itf->bInterfaceSubClass) { - TU_VERIFY(max_len > 2*sizeof(tusb_desc_interface_t) + sizeof(audio_desc_cs_ac_interface_t)); - + TU_VERIFY(max_len > 2 * sizeof(tusb_desc_interface_t) + sizeof(midi10_desc_cs_ac_interface_t), 0); p_desc = tu_desc_next(p_desc); TU_VERIFY(tu_desc_type(p_desc) == TUSB_DESC_CS_INTERFACE && - tu_desc_subtype(p_desc) == AUDIO_CS_AC_INTERFACE_HEADER); + tu_desc_subtype(p_desc) == AUDIO10_CS_AC_INTERFACE_HEADER, + 0); desc_cb.desc_audio_control = desc_itf; p_desc = tu_desc_next(p_desc); desc_itf = (const tusb_desc_interface_t *)p_desc; p_midi->itf_count = 1; // skip non-interface and non-midi streaming descriptors - while (tu_desc_in_bounds(p_desc, p_end) && - (desc_itf->bDescriptorType != TUSB_DESC_INTERFACE || (desc_itf->bInterfaceClass == TUSB_CLASS_AUDIO && desc_itf->bInterfaceSubClass != AUDIO_SUBCLASS_MIDI_STREAMING))) { + while (tu_desc_in_bounds(p_desc, desc_end) && (desc_itf->bDescriptorType != TUSB_DESC_INTERFACE || + (desc_itf->bInterfaceClass == TUSB_CLASS_AUDIO && + desc_itf->bInterfaceSubClass != AUDIO_SUBCLASS_MIDI_STREAMING))) { if (desc_itf->bDescriptorType == TUSB_DESC_INTERFACE && desc_itf->bAlternateSetting == 0) { p_midi->itf_count++; } p_desc = tu_desc_next(p_desc); - desc_itf = (tusb_desc_interface_t const *)p_desc; + desc_itf = (const tusb_desc_interface_t *)p_desc; } - TU_VERIFY(p_desc < p_end); // TODO: If MIDI interface comes after Audio Streaming, then max_len did not include the MIDI interface descriptor - TU_VERIFY(TUSB_CLASS_AUDIO == desc_itf->bInterfaceClass); + TU_VERIFY(p_desc < desc_end, 0); + TU_VERIFY(TUSB_CLASS_AUDIO == desc_itf->bInterfaceClass, 0); } - TU_VERIFY(AUDIO_SUBCLASS_MIDI_STREAMING == desc_itf->bInterfaceSubClass); + TU_VERIFY(AUDIO_SUBCLASS_MIDI_STREAMING == desc_itf->bInterfaceSubClass, 0); TU_LOG_DRV("MIDI opening Interface %u (addr = %u)\r\n", desc_itf->bInterfaceNumber, dev_addr); p_midi->bInterfaceNumber = desc_itf->bInterfaceNumber; @@ -250,10 +249,12 @@ bool midih_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *d p_midi->itf_count++; desc_cb.desc_midi = desc_itf; - p_desc = tu_desc_next(p_desc); // next to CS Header - bool found_new_interface = false; - while (tu_desc_in_bounds(p_desc, p_end) && !found_new_interface) { + do { + p_desc = tu_desc_next(p_desc); + if (!tu_desc_in_bounds(p_desc, desc_end)) { + break; + } switch (tu_desc_type(p_desc)) { case TUSB_DESC_INTERFACE: found_new_interface = true; @@ -290,39 +291,39 @@ bool midih_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *d case TUSB_DESC_ENDPOINT: { const tusb_desc_endpoint_t *p_ep = (const tusb_desc_endpoint_t *) p_desc; + p_desc = tu_desc_next(p_desc); // next to CS endpoint - TU_VERIFY(p_desc < p_end && tu_desc_next(p_desc) <= p_end); + TU_VERIFY(tu_desc_in_bounds(p_desc, desc_end), 0); const midi_desc_cs_endpoint_t *p_csep = (const midi_desc_cs_endpoint_t *) p_desc; TU_LOG_DRV(" Endpoint and CS_Endpoint descriptor %02x\r\n", p_ep->bEndpointAddress); + tu_edpt_stream_t *ep_stream; if (tu_edpt_dir(p_ep->bEndpointAddress) == TUSB_DIR_OUT) { - p_midi->ep_out = p_ep->bEndpointAddress; p_midi->tx_cable_count = p_csep->bNumEmbMIDIJack; desc_cb.desc_epout = p_ep; - - TU_ASSERT(tuh_edpt_open(dev_addr, p_ep)); - tu_edpt_stream_open(&p_midi->ep_stream.tx, p_ep); + ep_stream = &p_midi->ep_stream.tx; } else { - p_midi->ep_in = p_ep->bEndpointAddress; p_midi->rx_cable_count = p_csep->bNumEmbMIDIJack; - desc_cb.desc_epin = p_ep; - - TU_ASSERT(tuh_edpt_open(dev_addr, p_ep)); - tu_edpt_stream_open(&p_midi->ep_stream.rx, p_ep); + desc_cb.desc_epin = p_ep; + ep_stream = &p_midi->ep_stream.rx; } + TU_ASSERT(tuh_edpt_open(dev_addr, p_ep), 0); + tu_edpt_stream_open(ep_stream, dev_addr, p_ep, tu_edpt_packet_size(p_ep)); + tu_edpt_stream_clear(ep_stream); + break; } default: break; // skip unknown descriptor } - p_desc = tu_desc_next(p_desc); - } - desc_cb.desc_midi_total_len = (uint16_t) ((uintptr_t)p_desc - (uintptr_t) desc_itf); + } while (!found_new_interface); + + desc_cb.desc_midi_total_len = (uint16_t)((uintptr_t)p_desc - (uintptr_t)desc_start); p_midi->daddr = dev_addr; tuh_midi_descriptor_cb(idx, &desc_cb); - return true; + return desc_cb.desc_midi_total_len; } bool midih_set_config(uint8_t dev_addr, uint8_t itf_num) { @@ -333,13 +334,13 @@ bool midih_set_config(uint8_t dev_addr, uint8_t itf_num) { const tuh_midi_mount_cb_t mount_cb_data = { .daddr = dev_addr, - .bInterfaceNumber = itf_num, + .bInterfaceNumber = p_midi->bInterfaceNumber, .rx_cable_count = p_midi->rx_cable_count, .tx_cable_count = p_midi->tx_cable_count, }; tuh_midi_mount_cb(idx, &mount_cb_data); - tu_edpt_stream_read_xfer(dev_addr, &p_midi->ep_stream.rx); // prepare for incoming data + tu_edpt_stream_read_xfer(&p_midi->ep_stream.rx); // prepare for incoming data // No special config things to do for MIDI usbh_driver_set_config_complete(dev_addr, p_midi->bInterfaceNumber); @@ -379,8 +380,14 @@ bool tuh_midi_itf_get_info(uint8_t idx, tuh_itf_info_t* info) { desc->bDescriptorType = TUSB_DESC_INTERFACE; desc->bInterfaceNumber = p_midi->bInterfaceNumber; - desc->bAlternateSetting = 0; - desc->bNumEndpoints = (uint8_t)((p_midi->ep_in != 0 ? 1:0) + (p_midi->ep_out != 0 ? 1:0)); + desc->bAlternateSetting = 0; + desc->bNumEndpoints = 0; + if (tu_edpt_stream_is_opened(&p_midi->ep_stream.tx)) { + desc->bNumEndpoints++; + } + if (tu_edpt_stream_is_opened(&p_midi->ep_stream.rx)) { + desc->bNumEndpoints++; + } desc->bInterfaceClass = TUSB_CLASS_AUDIO; desc->bInterfaceSubClass = AUDIO_SUBCLASS_MIDI_STREAMING; desc->bInterfaceProtocol = 0; @@ -412,7 +419,7 @@ uint32_t tuh_midi_read_available(uint8_t idx) { uint32_t tuh_midi_write_flush(uint8_t idx) { TU_VERIFY(idx < CFG_TUH_MIDI); midih_interface_t *p_midi = &_midi_host[idx]; - return tu_edpt_stream_write_xfer(p_midi->daddr, &p_midi->ep_stream.tx); + return tu_edpt_stream_write_xfer(&p_midi->ep_stream.tx); } //--------------------------------------------------------------------+ @@ -425,7 +432,7 @@ uint32_t tuh_midi_packet_read_n(uint8_t idx, uint8_t* buffer, uint32_t bufsize) uint32_t count4 = tu_min32(bufsize, tu_edpt_stream_read_available(&p_midi->ep_stream.rx)); count4 = tu_align4(count4); // round down to multiple of 4 TU_VERIFY(count4 > 0, 0); - return tu_edpt_stream_read(p_midi->daddr, &p_midi->ep_stream.rx, buffer, count4); + return tu_edpt_stream_read(&p_midi->ep_stream.rx, buffer, count4); } uint32_t tuh_midi_packet_write_n(uint8_t idx, const uint8_t* buffer, uint32_t bufsize) { @@ -434,7 +441,7 @@ uint32_t tuh_midi_packet_write_n(uint8_t idx, const uint8_t* buffer, uint32_t bu const uint32_t bufsize4 = tu_align4(bufsize); TU_VERIFY(bufsize4 > 0, 0); - return tu_edpt_stream_write(p_midi->daddr, &p_midi->ep_stream.tx, buffer, bufsize4); + return tu_edpt_stream_write(&p_midi->ep_stream.tx, buffer, bufsize4); } //--------------------------------------------------------------------+ @@ -448,17 +455,17 @@ uint32_t tuh_midi_stream_write(uint8_t idx, uint8_t cable_num, uint8_t const *bu midi_driver_stream_t *stream = &p_midi->stream_write; uint32_t byte_count = 0; - while ((byte_count < bufsize) && (tu_edpt_stream_write_available(p_midi->daddr, &p_midi->ep_stream.tx) >= 4)) { - uint8_t const data = buffer[byte_count]; + while ((byte_count < bufsize) && (tu_edpt_stream_write_available(&p_midi->ep_stream.tx) >= 4)) { + const uint8_t data = buffer[byte_count]; byte_count++; if (data >= MIDI_STATUS_SYSREAL_TIMING_CLOCK) { // real-time messages need to be sent right away midi_driver_stream_t streamrt; - streamrt.buffer[0] = MIDI_CIN_SYSEX_END_1BYTE; + streamrt.buffer[0] = (uint8_t)((cable_num << 4) | MIDI_CIN_SYSEX_END_1BYTE); streamrt.buffer[1] = data; streamrt.index = 2; streamrt.total = 2; - uint32_t const count = tu_edpt_stream_write(p_midi->daddr, &p_midi->ep_stream.tx, streamrt.buffer, 4); + const uint32_t count = tu_edpt_stream_write(&p_midi->ep_stream.tx, streamrt.buffer, 4); TU_ASSERT(count == 4, byte_count); // Check FIFO overflown, since we already check fifo remaining. It is probably race condition } else if (stream->index == 0) { //------------- New event packet -------------// @@ -469,9 +476,9 @@ uint32_t tuh_midi_stream_write(uint8_t idx, uint8_t cable_num, uint8_t const *bu stream->buffer[1] = data; // Check to see if we're still in a SysEx transmit. - if (stream->buffer[0] == MIDI_CIN_SYSEX_START) { + if ((stream->buffer[0] & 0xF) == MIDI_CIN_SYSEX_START) { if (data == MIDI_STATUS_SYSEX_END) { - stream->buffer[0] = MIDI_CIN_SYSEX_END_1BYTE; + stream->buffer[0] = (uint8_t)((cable_num << 4) | MIDI_CIN_SYSEX_END_1BYTE); stream->total = 2; } else { stream->total = 4; @@ -499,6 +506,7 @@ uint32_t tuh_midi_stream_write(uint8_t idx, uint8_t cable_num, uint8_t const *bu stream->buffer[0] = MIDI_CIN_SYSEX_END_1BYTE; stream->total = 2; } + stream->buffer[0] |= (uint8_t)(cable_num << 4); } else { // Pack individual bytes if we don't support packing them into words. stream->buffer[0] = (uint8_t) (cable_num << 4 | 0xf); @@ -513,8 +521,8 @@ uint32_t tuh_midi_stream_write(uint8_t idx, uint8_t cable_num, uint8_t const *bu stream->buffer[stream->index] = data; stream->index++; // See if this byte ends a SysEx. - if (stream->buffer[0] == MIDI_CIN_SYSEX_START && data == MIDI_STATUS_SYSEX_END) { - stream->buffer[0] = MIDI_CIN_SYSEX_START + (stream->index - 1); + if ((stream->buffer[0] & 0xF) == MIDI_CIN_SYSEX_START && data == MIDI_STATUS_SYSEX_END) { + stream->buffer[0] = (uint8_t)((cable_num << 4) | (MIDI_CIN_SYSEX_START + (stream->index - 1))); stream->total = stream->index; } } @@ -527,7 +535,7 @@ uint32_t tuh_midi_stream_write(uint8_t idx, uint8_t cable_num, uint8_t const *bu } TU_LOG3_MEM(stream->buffer, 4, 2); - const uint32_t count = tu_edpt_stream_write(p_midi->daddr, &p_midi->ep_stream.tx, stream->buffer, 4); + const uint32_t count = tu_edpt_stream_write(&p_midi->ep_stream.tx, stream->buffer, 4); // complete current event packet, reset stream stream->index = 0; @@ -549,7 +557,7 @@ uint32_t tuh_midi_stream_read(uint8_t idx, uint8_t *p_cable_num, uint8_t *p_buff return 0; } *p_cable_num = (one_byte >> 4) & 0xf; - uint32_t nread = tu_edpt_stream_read(p_midi->daddr, &p_midi->ep_stream.rx, p_midi->stream_read.buffer, 4); + uint32_t nread = tu_edpt_stream_read(&p_midi->ep_stream.rx, p_midi->stream_read.buffer, 4); static uint16_t cable_sysex_in_progress;// bit i is set if received MIDI_STATUS_SYSEX_START but not MIDI_STATUS_SYSEX_END while (nread == 4 && bytes_buffered < bufsize) { *p_cable_num = (p_midi->stream_read.buffer[0] >> 4) & 0x0f; @@ -577,7 +585,7 @@ uint32_t tuh_midi_stream_read(uint8_t idx, uint8_t *p_cable_num, uint8_t *p_buff } else { // bad packet discard - nread = tu_edpt_stream_read(p_midi->daddr, &p_midi->ep_stream.rx, p_midi->stream_read.buffer, 4); + nread = tu_edpt_stream_read(&p_midi->ep_stream.rx, p_midi->stream_read.buffer, 4); continue; } } else if (status < MIDI_STATUS_SYSEX_START) { @@ -624,7 +632,7 @@ uint32_t tuh_midi_stream_read(uint8_t idx, uint8_t *p_cable_num, uint8_t *p_buff } else { // bad packet discard - nread = tu_edpt_stream_read(p_midi->daddr, &p_midi->ep_stream.rx, p_midi->stream_read.buffer, 4); + nread = tu_edpt_stream_read(&p_midi->ep_stream.rx, p_midi->stream_read.buffer, 4); continue; } @@ -637,7 +645,7 @@ uint32_t tuh_midi_stream_read(uint8_t idx, uint8_t *p_cable_num, uint8_t *p_buff uint8_t new_cable = (one_byte >> 4) & 0xf; if (new_cable == *p_cable_num) { // still on the same cable. Continue reading the stream - nread = tu_edpt_stream_read(p_midi->daddr, &p_midi->ep_stream.rx, p_midi->stream_read.buffer, 4); + nread = tu_edpt_stream_read(&p_midi->ep_stream.rx, p_midi->stream_read.buffer, 4); } } } |
