diff --git a/examples/device/cdc_msc_hid/src/tusb_config.h b/examples/device/cdc_msc_hid/src/tusb_config.h index 2ff49aaf..3f748c3f 100644 --- a/examples/device/cdc_msc_hid/src/tusb_config.h +++ b/examples/device/cdc_msc_hid/src/tusb_config.h @@ -109,6 +109,7 @@ //------------- CLASS -------------// #define CFG_TUD_CDC 1 #define CFG_TUD_MSC 1 +#define CFG_TUD_MIDI 0 #define CFG_TUD_CUSTOM_CLASS 0 #define CFG_TUD_HID 0 diff --git a/src/class/audio/audio.h b/src/class/audio/audio.h new file mode 100644 index 00000000..1ea3f116 --- /dev/null +++ b/src/class/audio/audio.h @@ -0,0 +1,78 @@ +/**************************************************************************/ +/*! + @file cdc.h + @author hathach (tinyusb.org) + + @section LICENSE + + Software License Agreement (BSD License) + + Copyright (c) 2013, hathach (tinyusb.org) + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. Neither the name of the copyright holders nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + This file is part of the tinyusb stack. +*/ +/**************************************************************************/ + +/** \ingroup group_class + * \defgroup ClassDriver_Audio Audio + * Currently only MIDI subclass is supported + * @{ */ + +#ifndef _TUSB_CDC_H__ +#define _TUSB_CDC_H__ + +#include "common/tusb_common.h" + +#ifdef __cplusplus + extern "C" { +#endif + +/// Audio Interface Subclass Codes +typedef enum +{ + AUDIO_SUBCLASS_AUDIO_CONTROL = 0x01 , ///< Audio Control + AUDIO_SUBCLASS_AUDIO_STREAMING , ///< Audio Streaming + AUDIO_SUBCLASS_MIDI_STREAMING , ///< MIDI Streaming +} audio_subclass_type_t; + +/// Audio Protocol Codes +typedef enum +{ + AUDIO_PROTOCOL_V1 = 0x00, ///< Version 1.0 + AUDIO_PROTOCOL_V2 = 0x20, ///< Version 2.0 + AUDIO_PROTOCOL_V3 = 0x30, ///< Version 3.0 +} audio_protocol_type_t; + + +/** @} */ + +#ifdef __cplusplus + } +#endif + +#endif + +/** @} */ diff --git a/src/class/midi/midi.h b/src/class/midi/midi.h new file mode 100644 index 00000000..21c43be2 --- /dev/null +++ b/src/class/midi/midi.h @@ -0,0 +1,84 @@ +/**************************************************************************/ +/*! + @file cdc.h + @author hathach (tinyusb.org) + + @section LICENSE + + Software License Agreement (BSD License) + + Copyright (c) 2013, hathach (tinyusb.org) + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. Neither the name of the copyright holders nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + This file is part of the tinyusb stack. +*/ +/**************************************************************************/ + +/** \ingroup group_class + * \defgroup ClassDriver_CDC Communication Device Class (CDC) + * Currently only Abstract Control Model subclass is supported + * @{ */ + +#ifndef _TUSB_MIDI_H__ +#define _TUSB_MIDI_H__ + +#include "common/tusb_common.h" + +#ifdef __cplusplus + extern "C" { +#endif + +//--------------------------------------------------------------------+ +// FUNCTIONAL DESCRIPTOR (COMMUNICATION INTERFACE) +//--------------------------------------------------------------------+ +/// Header Functional Descriptor (Communication Interface) +typedef struct ATTR_PACKED +{ + uint8_t bLength ; ///< Size of this descriptor in bytes. + uint8_t bDescriptorType ; ///< Descriptor Type, must be Class-Specific + uint8_t bDescriptorSubType ; ///< Descriptor SubType one of above MIDI_FUCN_DESC_ + uint16_t bcdMSC ; ///< MidiStreaming SubClass release number in Binary-Coded Decimal + uint16_t wTotalLength ; +}midi_desc_func_header_t; + +/// Union Functional Descriptor (Communication Interface) +typedef struct ATTR_PACKED +{ + uint8_t bLength ; ///< Size of this descriptor in bytes. + uint8_t bDescriptorType ; ///< Descriptor Type, must be Class-Specific + uint8_t bDescriptorSubType ; ///< Descriptor SubType one of above CDC_FUCN_DESC_ + uint8_t bControlInterface ; ///< Interface number of Communication Interface + uint8_t bSubordinateInterface ; ///< Array of Interface number of Data Interface +}cdc_desc_func_union_t; + +/** @} */ + +#ifdef __cplusplus + } +#endif + +#endif + +/** @} */ diff --git a/src/class/midi/midi_device.c b/src/class/midi/midi_device.c new file mode 100644 index 00000000..5acc0b0f --- /dev/null +++ b/src/class/midi/midi_device.c @@ -0,0 +1,412 @@ +/**************************************************************************/ +/*! + @file cdc_device.c + @author hathach (tinyusb.org) + + @section LICENSE + + Software License Agreement (BSD License) + + Copyright (c) 2013, hathach (tinyusb.org) + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. Neither the name of the copyright holders nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + This file is part of the tinyusb stack. +*/ +/**************************************************************************/ + +#include "tusb_option.h" + +#if (TUSB_OPT_DEVICE_ENABLED && CFG_TUD_MIDI) + +#define _TINY_USB_SOURCE_FILE_ +//--------------------------------------------------------------------+ +// INCLUDE +//--------------------------------------------------------------------+ +#include "midi_device.h" +#include "class/audio/audio.h" +#include "device/usbd_pvt.h" + +//--------------------------------------------------------------------+ +// MACRO CONSTANT TYPEDEF +//--------------------------------------------------------------------+ +typedef struct +{ + uint8_t itf_num; + uint8_t ep_in; + uint8_t ep_out; + + // FIFO + tu_fifo_t rx_ff; + uint8_t rx_ff_buf[CFG_TUD_MIDI_RX_BUFSIZE]; + osal_mutex_def_t rx_ff_mutex; + + #if CFG_TUD_MIDI_TX_BUFSIZE % CFG_TUD_MIDI_EPSIZE != 0 + #error "TX buffer size must be multiple of endpoint size." + #endif + + // This is a ring buffer that aligns to word boundaries so that it can be transferred directly to + // the USB peripheral. There are three states to the data: free, transmitting and pending. + CFG_TUSB_MEM_ALIGN uint8_t tx_buf[CFG_TUD_MIDI_TX_BUFSIZE]; + uint16_t tx_buf_len; + uint16_t first_free; + uint16_t pending_count; + uint16_t transmitting_count; + + // We need to pack messages into words before queueing their transmission so buffer across write + // calls. + uint8_t message_buffer[4]; + uint8_t message_buffer_length; + uint8_t message_target_length; + + // Endpoint Transfer buffer + CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_MIDI_EPSIZE]; + +} midid_interface_t; + +#define ITF_MEM_RESET_SIZE offsetof(midid_interface_t, rx_ff) + +//--------------------------------------------------------------------+ +// INTERNAL OBJECT & FUNCTION DECLARATION +//--------------------------------------------------------------------+ +CFG_TUSB_ATTR_USBRAM midid_interface_t _midid_itf[CFG_TUD_MIDI]; + +bool tud_midi_n_connected(uint8_t itf) { + midid_interface_t* midi = &_midid_itf[itf]; + return midi->itf_num != 0; +} + +//--------------------------------------------------------------------+ +// READ API +//--------------------------------------------------------------------+ +uint32_t tud_midi_n_available(uint8_t itf, uint8_t jack_id) +{ + return tu_fifo_count(&_midid_itf[itf].rx_ff); +} + +char tud_midi_n_read_char(uint8_t itf, uint8_t jack_id) +{ + char ch; + return tu_fifo_read(&_midid_itf[itf].rx_ff, &ch) ? ch : (-1); +} + +uint32_t tud_midi_n_read(uint8_t itf, uint8_t jack_id, void* buffer, uint32_t bufsize) +{ + return tu_fifo_read_n(&_midid_itf[itf].rx_ff, buffer, bufsize); +} + +void tud_midi_n_read_flush (uint8_t itf, uint8_t jack_id) +{ + tu_fifo_clear(&_midid_itf[itf].rx_ff); +} + + +void midi_rx_done_cb(midid_interface_t* midi, uint8_t const* buffer, uint32_t bufsize) { + if (bufsize % 4 != 0) { + return; + } + + for(uint32_t i=0; i> 4; + uint8_t code_index = header & 0x0f; + // We always copy over the first byte. + uint8_t count = 1; + // Ignore subsequent bytes based on the code. + if (code_index != 0x5 && code_index != 0xf) { + count = 2; + if (code_index != 0x2 && code_index != 0x6 && code_index != 0xc && code_index != 0xd) { + count = 3; + } + } + tu_fifo_write_n(&midi->rx_ff, &buffer[i + 1], count); + } +} + + +//--------------------------------------------------------------------+ +// WRITE API +//--------------------------------------------------------------------+ + +uint16_t maybe_transmit(midid_interface_t* midi) { + if (midi->transmitting_count > 0 || midi->pending_count == 0) { + return 0; + } + midi->transmitting_count = midi->pending_count; + uint16_t transmit_start_index; + // The pending zone wraps back to the end so we must do two transfers. + if (midi->pending_count > midi->first_free) { + midi->transmitting_count -= midi->first_free; + transmit_start_index = midi->tx_buf_len - midi->transmitting_count; + } else { + transmit_start_index = midi->first_free - midi->transmitting_count; + + // We are transmitting up to first free so ensure it's word aligned for the next transmit. + uint8_t over_aligned = midi->first_free % sizeof(size_t); + if (over_aligned != 0) { + midi->first_free = (midi->first_free + (sizeof(size_t) - midi->first_free)) % midi->tx_buf_len; + } + } + midi->pending_count -= midi->transmitting_count; + + uint8_t* tx_start = midi->tx_buf + transmit_start_index; + if (!dcd_edpt_xfer(0, midi->ep_in, tx_start, midi->transmitting_count)) { + return 0; + } + return midi->transmitting_count; +} + +uint32_t tud_tx_buf_write_done_cb(midid_interface_t* midi, uint32_t bufsize) { + midi->transmitting_count -= bufsize; + + uint16_t len = maybe_transmit(midi); + return len; +} + +uint32_t tud_tx_buf_write(midid_interface_t* midi, uint8_t const* buffer, uint32_t bufsize) { + uint32_t len; + int32_t last_free = midi->first_free - midi->pending_count - midi->transmitting_count; + if (last_free < 0) { + len = (last_free + midi->tx_buf_len) - midi->first_free; + } else { + len = midi->tx_buf_len - midi->first_free; + } + if (bufsize < len) { + len = bufsize; + } + memcpy(midi->tx_buf + midi->first_free, buffer, len); + // uint32_t remaining_bytes + // if (last_free > 0 && len < bufsize) { + // if () + // + // } + midi->first_free = (midi->first_free + len) % midi->tx_buf_len; + midi->pending_count += len; + + maybe_transmit(midi); + return len; +} + +uint32_t tud_midi_n_write(uint8_t itf, uint8_t jack_id, uint8_t const* buffer, uint32_t bufsize) +{ + midid_interface_t* midi = &_midid_itf[itf]; + if (midi->itf_num == 0) { + return 0; + } + + uint32_t i = 0; + while (i < bufsize) { + uint8_t data = buffer[i]; + if (midi->message_buffer_length == 0) { + uint8_t msg = data >> 4; + midi->message_buffer[1] = data; + midi->message_buffer_length = 2; + // Check to see if we're still in a SysEx transmit. + if (midi->message_buffer[0] == 0x4) { + if (data == 0xf7) { + midi->message_buffer[0] = 0x5; + } else { + midi->message_buffer_length = 4; + } + } else if ((msg >= 0x8 && msg <= 0xB) || msg == 0xE) { + midi->message_buffer[0] = jack_id << 4 | msg; + midi->message_target_length = 4; + } else if (msg == 0xf) { + if (data == 0xf0) { + midi->message_buffer[0] = 0x4; + midi->message_target_length = 4; + } else if (data == 0xf1 || data == 0xf3) { + midi->message_buffer[0] = 0x2; + midi->message_target_length = 3; + } else if (data == 0xf2) { + midi->message_buffer[0] = 0x3; + midi->message_target_length = 4; + } else { + midi->message_buffer[0] = 0x5; + midi->message_target_length = 2; + } + } else { + // Pack individual bytes if we don't support packing them into words. + midi->message_buffer[0] = jack_id << 4 | 0xf; + midi->message_buffer[2] = 0; + midi->message_buffer[3] = 0; + midi->message_buffer_length = 2; + midi->message_target_length = 2; + } + } else { + midi->message_buffer[midi->message_buffer_length] = data; + midi->message_buffer_length += 1; + // See if this byte ends a SysEx. + if (midi->message_buffer[0] == 0x4 && data == 0xf7) { + midi->message_buffer[0] = 0x4 + (midi->message_buffer_length - 1); + midi->message_target_length = midi->message_buffer_length; + } + } + + if (midi->message_buffer_length == midi->message_target_length) { + tud_tx_buf_write(midi, midi->message_buffer, 4); + midi->message_buffer_length = 0; + } + i++; + } + + return i; +} + +//--------------------------------------------------------------------+ +// USBD Driver API +//--------------------------------------------------------------------+ +void midid_init(void) +{ + tu_memclr(_midid_itf, sizeof(_midid_itf)); + + for(uint8_t i=0; irx_ff, midi->rx_ff_buf, CFG_TUD_MIDI_RX_BUFSIZE, 1, true); + #if CFG_FIFO_MUTEX + tu_fifo_config_mutex(&midi->rx_ff, osal_mutex_create(&midi->rx_ff_mutex)); + #endif + + midi->tx_buf_len = CFG_TUD_MIDI_TX_BUFSIZE; + midi->first_free = 0; + midi->pending_count = 0; + midi->transmitting_count = 0; + } +} + +void midid_reset(uint8_t rhport) +{ + (void) rhport; + + for(uint8_t i=0; irx_ff); + midi->tx_buf_len = CFG_TUD_MIDI_TX_BUFSIZE; + midi->first_free = 0; + midi->pending_count = 0; + midi->transmitting_count = 0; + } +} + +bool midid_open(uint8_t rhport, tusb_desc_interface_t const * p_interface_desc, uint16_t *p_length) +{ + // For now handle the audio control interface as well. + if ( AUDIO_SUBCLASS_AUDIO_CONTROL == p_interface_desc->bInterfaceSubClass) { + uint8_t const * p_desc = tu_desc_next ( (uint8_t const *) p_interface_desc ); + (*p_length) = sizeof(tusb_desc_interface_t); + + // Skip over the class specific descriptor. + (*p_length) += p_desc[DESC_OFFSET_LEN]; + p_desc = tu_desc_next(p_desc); + return true; + } + + if ( AUDIO_SUBCLASS_MIDI_STREAMING != p_interface_desc->bInterfaceSubClass || + p_interface_desc->bInterfaceProtocol != AUDIO_PROTOCOL_V1 ) { + return false; + } + + // Find available interface + midid_interface_t * p_midi = NULL; + for(uint8_t i=0; iitf_num = p_interface_desc->bInterfaceNumber; + + uint8_t const * p_desc = tu_desc_next( (uint8_t const *) p_interface_desc ); + (*p_length) = sizeof(tusb_desc_interface_t); + + uint8_t found_endpoints = 0; + while (found_endpoints < p_interface_desc->bNumEndpoints) { + if ( TUSB_DESC_ENDPOINT == p_desc[DESC_OFFSET_TYPE]) + { + TU_ASSERT( dcd_edpt_open(rhport, (tusb_desc_endpoint_t const *) p_desc), false); + uint8_t ep_addr = ((tusb_desc_endpoint_t const *) p_desc)->bEndpointAddress; + if (tu_edpt_dir(ep_addr) == TUSB_DIR_IN) { + p_midi->ep_in = ep_addr; + } else { + p_midi->ep_out = ep_addr; + } + + (*p_length) += p_desc[DESC_OFFSET_LEN]; + p_desc = tu_desc_next(p_desc); + found_endpoints += 1; + } + (*p_length) += p_desc[DESC_OFFSET_LEN]; + p_desc = tu_desc_next(p_desc); + } + + // Prepare for incoming data + TU_ASSERT( dcd_edpt_xfer(rhport, p_midi->ep_out, p_midi->epout_buf, CFG_TUD_MIDI_EPSIZE), false); + + return true; +} + +bool midid_control_request_complete(uint8_t rhport, tusb_control_request_t const * p_request) +{ + return false; +} + +bool midid_control_request(uint8_t rhport, tusb_control_request_t const * p_request) +{ + //------------- Class Specific Request -------------// + if (p_request->bmRequestType_bit.type != TUSB_REQ_TYPE_CLASS) return false; + + return false; +} + +bool midid_xfer_cb(uint8_t rhport, uint8_t edpt_addr, xfer_result_t result, uint32_t xferred_bytes) +{ + // TODO Support multiple interfaces + uint8_t const itf = 0; + midid_interface_t* p_midi = &_midid_itf[itf]; + + // receive new data + if ( edpt_addr == p_midi->ep_out ) + { + midi_rx_done_cb(p_midi, p_midi->epout_buf, xferred_bytes); + + // prepare for next + TU_ASSERT( dcd_edpt_xfer(rhport, p_midi->ep_out, p_midi->epout_buf, CFG_TUD_MIDI_EPSIZE), false ); + } else if ( edpt_addr == p_midi->ep_in ) { + tud_tx_buf_write_done_cb(p_midi, xferred_bytes); + } + + // nothing to do with in and notif endpoint + + return TUSB_ERROR_NONE; +} + +#endif diff --git a/src/class/midi/midi_device.h b/src/class/midi/midi_device.h new file mode 100644 index 00000000..70030f2c --- /dev/null +++ b/src/class/midi/midi_device.h @@ -0,0 +1,120 @@ +/**************************************************************************/ +/*! + @file midi_device.h + @author hathach (tinyusb.org) + + @section LICENSE + + Software License Agreement (BSD License) + + Copyright (c) 2013, hathach (tinyusb.org) + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. Neither the name of the copyright holders nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + This file is part of the tinyusb stack. +*/ +/**************************************************************************/ + +#ifndef _TUSB_MIDI_DEVICE_H_ +#define _TUSB_MIDI_DEVICE_H_ + +#include "common/tusb_common.h" +#include "device/usbd.h" +#include "class/audio/audio.h" + +//--------------------------------------------------------------------+ +// Class Driver Configuration +//--------------------------------------------------------------------+ +#ifndef CFG_TUD_MIDI_EPSIZE +#define CFG_TUD_MIDI_EPSIZE 64 +#endif + + +#ifdef __cplusplus + extern "C" { +#endif + +/** \addtogroup MIDI_Serial Serial + * @{ + * \defgroup MIDI_Serial_Device Device + * @{ */ + +//--------------------------------------------------------------------+ +// APPLICATION API (Multiple Interfaces) +// CFG_TUD_MIDI > 1 +//--------------------------------------------------------------------+ +bool tud_midi_n_connected (uint8_t itf); + +uint32_t tud_midi_n_available (uint8_t itf, uint8_t jack_id); +char tud_midi_n_read_char (uint8_t itf, uint8_t jack_id); +uint32_t tud_midi_n_read (uint8_t itf, uint8_t jack_id, void* buffer, uint32_t bufsize); +void tud_midi_n_read_flush (uint8_t itf, uint8_t jack_id); +char tud_midi_n_peek (uint8_t itf, uint8_t jack_id, int pos); + +uint32_t tud_midi_n_write_char (uint8_t itf, char ch); +uint32_t tud_midi_n_write (uint8_t itf, uint8_t jack_id, uint8_t const* buffer, uint32_t bufsize); +bool tud_midi_n_write_flush (uint8_t itf); + +//--------------------------------------------------------------------+ +// APPLICATION API (Interface0) +//--------------------------------------------------------------------+ +static inline bool tud_midi_connected (void) { return tud_midi_n_connected(0); } + +static inline uint32_t tud_midi_available (void) { return tud_midi_n_available(0, 0); } +static inline char tud_midi_read_char (void) { return tud_midi_n_read_char(0, 0); } +static inline uint32_t tud_midi_read (void* buffer, uint32_t bufsize) { return tud_midi_n_read(0, 0, buffer, bufsize); } +static inline void tud_midi_read_flush (void) { tud_midi_n_read_flush(0, 0); } +static inline char tud_midi_peek (int pos) { return tud_midi_n_peek(0, 0, pos); } + +static inline uint32_t tud_midi_write_char (char ch) { return tud_midi_n_write_char(0, ch); } +static inline uint32_t tud_midi_write (uint8_t jack_id, void const* buffer, uint32_t bufsize) { return tud_midi_n_write(0, jack_id, buffer, bufsize); } +static inline bool tud_midi_write_flush (void) { return tud_midi_n_write_flush(0); } + +//--------------------------------------------------------------------+ +// APPLICATION CALLBACK API (WEAK is optional) +//--------------------------------------------------------------------+ +ATTR_WEAK void tud_midi_rx_cb(uint8_t itf); + +//--------------------------------------------------------------------+ +// USBD-CLASS DRIVER API +//--------------------------------------------------------------------+ +#ifdef _TINY_USB_SOURCE_FILE_ + +void midid_init (void); +bool midid_open (uint8_t rhport, tusb_desc_interface_t const * p_interface_desc, uint16_t *p_length); +bool midid_control_request (uint8_t rhport, tusb_control_request_t const * p_request); +bool midid_control_request_complete (uint8_t rhport, tusb_control_request_t const * p_request); +bool midid_xfer_cb (uint8_t rhport, uint8_t edpt_addr, xfer_result_t result, uint32_t xferred_bytes); +void midid_reset (uint8_t rhport); + +#endif + +#ifdef __cplusplus + } +#endif + +#endif /* _TUSB_MIDI_DEVICE_H_ */ + +/** @} */ +/** @} */ diff --git a/src/device/usbd.c b/src/device/usbd.c index a3fbfdff..9c08a793 100644 --- a/src/device/usbd.c +++ b/src/device/usbd.c @@ -128,6 +128,19 @@ static usbd_class_driver_t const usbd_class_drivers[] = }, #endif + #if CFG_TUD_MIDI + { + .class_code = TUSB_CLASS_AUDIO, + .init = midid_init, + .open = midid_open, + .control_request = midid_control_request, + .control_request_complete = midid_control_request_complete, + .xfer_cb = midid_xfer_cb, + .sof = NULL, + .reset = midid_reset + }, + #endif + #if CFG_TUD_CUSTOM_CLASS { .class_code = TUSB_CLASS_VENDOR_SPECIFIC, diff --git a/src/tusb.h b/src/tusb.h index 389bf54d..fb20c5ff 100644 --- a/src/tusb.h +++ b/src/tusb.h @@ -89,6 +89,10 @@ #include "class/msc/msc_device.h" #endif + #if CFG_TUD_MIDI + #include "class/midi/midi_device.h" + #endif + #if CFG_TUD_CUSTOM_CLASS #include "class/custom/custom_device.h" #endif @@ -128,4 +132,3 @@ static inline void tusb_task(void) #endif #endif /* _TUSB_H_ */ -