diff options
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | libmaple/rules.mk | 2 | ||||
| -rw-r--r-- | libmaple/usb_midi_device.h | 199 |
3 files changed, 202 insertions, 1 deletions
@@ -21,7 +21,7 @@ LDDIR := $(SUPPORT_PATH)/ld # Support files for this Makefile MAKEDIR := $(SUPPORT_PATH)/make BOARD_INCLUDE_DIR := $(MAKEDIR)/board-includes - +PATH += /usr/local/bin ## ## Target-specific configuration. This determines some compiler and ## linker options/flags. diff --git a/libmaple/rules.mk b/libmaple/rules.mk index 439380d..46e92f5 100644 --- a/libmaple/rules.mk +++ b/libmaple/rules.mk @@ -34,6 +34,8 @@ cSRCS_$(d) += i2c.c endif # CLUDGE -- FIX ME!!!! +cSRCS_$(d) += MinSysex.c + cFILES_$(d) := $(cSRCS_$(d):%=$(d)/%) sFILES_$(d) := $(sSRCS_$(d):%=$(d)/%) diff --git a/libmaple/usb_midi_device.h b/libmaple/usb_midi_device.h new file mode 100644 index 0000000..67229b5 --- /dev/null +++ b/libmaple/usb_midi_device.h @@ -0,0 +1,199 @@ +/****************************************************************************** + * The MIT License + * + * Copyright (c) 2011 LeafLabs LLC. + * Copyright (c) 2013 Magnus Lundin. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + *****************************************************************************/ + +/** + * @file libmaple/include/libmaple/usb_midi.h + * @brief USB MIDI support + * + * IMPORTANT: this API is unstable, and may change without notice. + */ + +#ifndef _LIBMAPLE_USB_MIDI_H_ +#define _LIBMAPLE_USB_MIDI_H_ + +#include <libmaple/libmaple_types.h> +#include <libmaple/gpio.h> +#include <libmaple/usb.h> +#include <lgl/MinSysex.h> + +#ifdef __cplusplus +extern "C" { +#endif + +typedef union { + uint8 byte[4]; + uint32 data; +} USB_MIDI_Event_Packet; + +/* + * USB MIDI Requests + */ + +/* + * Descriptors, etc. + */ +#define USB_DESCRIPTOR_TYPE_CS_INTERFACE 0x24 +#define USB_DESCRIPTOR_TYPE_CS_ENDPOINT 0x25 + + +#define USB_DEVICE_CLASS_UNDEFINED 0x00 +#define USB_DEVICE_CLASS_CDC 0x02 +#define USB_DEVICE_SUBCLASS_UNDEFINED 0x00 + +#define USB_INTERFACE_CLASS_AUDIO 0x01 +#define USB_INTERFACE_SUBCLASS_UNDEFINED 0x00 +#define USB_INTERFACE_AUDIOCONTROL 0x01 +#define USB_INTERFACE_AUDIOSTREAMING 0x02 +#define USB_INTERFACE_MIDISTREAMING 0x03 + +/* MIDI Streaming class specific interfaces */ +#define MIDI_IN_JACK 0x02 +#define MIDI_OUT_JACK 0x03 + +#define MIDI_JACK_EMBEDDED 0x01 +#define MIDI_JACK_EXTERNAL 0x02 + + +#define AC_CS_INTERFACE_DESCRIPTOR_SIZE(DataSize) (8 + DataSize) +#define AC_CS_INTERFACE_DESCRIPTOR(DataSize) \ + struct { \ + uint8 bLength; \ + uint8 bDescriptorType; \ + uint8 SubType; \ + uint16 bcdADC; \ + uint16 wTotalLength; \ + uint8 bInCollection; \ + uint8 baInterfaceNr[DataSize]; \ + } __packed + +typedef struct { + uint8 bLength; + uint8 bDescriptorType; + uint8 SubType; + uint16 bcdADC; + uint16 wTotalLength; + } __packed MS_CS_INTERFACE_DESCRIPTOR; + +typedef struct { + uint8 bLength; + uint8 bDescriptorType; + uint8 SubType; + uint8 bJackType; + uint8 bJackId; + uint8 iJack; + } __packed MIDI_IN_JACK_DESCRIPTOR; + +#define MIDI_OUT_JACK_DESCRIPTOR_SIZE(DataSize) (7 + 2*DataSize) +#define MIDI_OUT_JACK_DESCRIPTOR(DataSize) \ + struct { \ + uint8 bLength; \ + uint8 bDescriptorType; \ + uint8 SubType; \ + uint8 bJackType; \ + uint8 bJackId; \ + uint8 bNrInputPins; \ + uint8 baSourceId[DataSize]; \ + uint8 baSourcePin[DataSize]; \ + uint8 iJack; \ + } __packed + + +#define MS_CS_BULK_ENDPOINT_DESCRIPTOR_SIZE(DataSize) (4 + DataSize) +#define MS_CS_BULK_ENDPOINT_DESCRIPTOR(DataSize) \ + struct { \ + uint8 bLength; \ + uint8 bDescriptorType; \ + uint8 SubType; \ + uint8 bNumEmbMIDIJack; \ + uint8 baAssocJackID[DataSize]; \ + } __packed + +/* + * Endpoint configuration + */ + +#define USB_MIDI_CTRL_ENDP 0 +#define USB_MIDI_CTRL_RX_ADDR 0x40 +#define USB_MIDI_CTRL_TX_ADDR 0x80 +#define USB_MIDI_CTRL_EPSIZE 0x40 + +#define USB_MIDI_TX_ENDP 1 +#define USB_MIDI_TX_ADDR 0xC0 +#define USB_MIDI_TX_EPSIZE 0x40 + +#define USB_MIDI_RX_ENDP 2 +#define USB_MIDI_RX_ADDR 0x100 +#define USB_MIDI_RX_EPSIZE 0x40 + +#ifndef __cplusplus +#define USB_MIDI_DECLARE_DEV_DESC(vid, pid) \ + { \ + .bLength = sizeof(usb_descriptor_device), \ + .bDescriptorType = USB_DESCRIPTOR_TYPE_DEVICE, \ + .bcdUSB = 0x0110, \ + .bDeviceClass = USB_DEVICE_CLASS_UNDEFINED, \ + .bDeviceSubClass = USB_DEVICE_SUBCLASS_UNDEFINED, \ + .bDeviceProtocol = 0x00, \ + .bMaxPacketSize0 = 0x40, \ + .idVendor = vid, \ + .idProduct = pid, \ + .bcdDevice = 0x0200, \ + .iManufacturer = 0x01, \ + .iProduct = 0x02, \ + .iSerialNumber = 0x00, \ + .bNumConfigurations = 0x01, \ + } +#endif + +/* + * Sysex Stuff. + */ + +#define SYSEX_BUFFER_LENGTH 256 + + + /* + * MIDI interface + */ + +void usb_midi_enable(gpio_dev*, uint8); +void usb_midi_disable(gpio_dev*, uint8); + +void usb_midi_putc(char ch); +uint32 usb_midi_tx(const uint8* buf, uint32 len); +uint32 usb_midi_rx(uint8* buf, uint32 len); +uint32 usb_midi_peek(uint8* buf, uint32 len); + +uint32 usb_midi_data_available(void); /* in RX buffer */ +uint16 usb_midi_get_pending(void); +uint8 usb_midi_is_transmitting(void); + +#ifdef __cplusplus +} +#endif + +#endif |