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-rw-r--r--protocol/lufa.mk7
-rw-r--r--protocol/lufa/descriptor.c158
-rw-r--r--protocol/lufa/descriptor.h23
-rw-r--r--protocol/lufa/lufa.c191
-rw-r--r--protocol/lufa/lufa.h3
5 files changed, 377 insertions, 5 deletions
diff --git a/protocol/lufa.mk b/protocol/lufa.mk
index ac70ac0391..74a8bef3c6 100644
--- a/protocol/lufa.mk
+++ b/protocol/lufa.mk
@@ -19,7 +19,12 @@ endif
LUFA_SRC = $(LUFA_DIR)/lufa.c \
$(LUFA_DIR)/descriptor.c \
- $(LUFA_SRC_USB)
+ $(LUFA_SRC_USB) \
+ $(LUFA_DIR)/midi/midi.c \
+ $(LUFA_DIR)/midi/midi_device.c \
+ $(LUFA_DIR)/midi/bytequeue/bytequeue.c \
+ $(LUFA_DIR)/midi/bytequeue/interrupt_setting.c \
+ $(LUFA_DIR)/LUFA-git/LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c
SRC += $(LUFA_SRC)
diff --git a/protocol/lufa/descriptor.c b/protocol/lufa/descriptor.c
index c13a81bda8..6eedd57000 100644
--- a/protocol/lufa/descriptor.c
+++ b/protocol/lufa/descriptor.c
@@ -486,6 +486,164 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
.PollingIntervalMS = 0x01
},
#endif
+
+ .Audio_ControlInterface =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
+
+ .InterfaceNumber = (NKRO_INTERFACE + 1),
+ .AlternateSetting = 0,
+
+ .TotalEndpoints = 0,
+
+ .Class = AUDIO_CSCP_AudioClass,
+ .SubClass = AUDIO_CSCP_ControlSubclass,
+ .Protocol = AUDIO_CSCP_ControlProtocol,
+
+ .InterfaceStrIndex = NO_DESCRIPTOR
+ },
+
+ .Audio_ControlInterface_SPC =
+ {
+ .Header = {.Size = sizeof(USB_Audio_Descriptor_Interface_AC_t), .Type = DTYPE_CSInterface},
+ .Subtype = AUDIO_DSUBTYPE_CSInterface_Header,
+
+ .ACSpecification = VERSION_BCD(1,1,1),
+ .TotalLength = sizeof(USB_Audio_Descriptor_Interface_AC_t),
+
+ .InCollection = 1,
+ .InterfaceNumber = (NKRO_INTERFACE + 2),
+ },
+
+ .Audio_StreamInterface =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
+
+ .InterfaceNumber = (NKRO_INTERFACE + 2),
+ .AlternateSetting = 0,
+
+ .TotalEndpoints = 2,
+
+ .Class = AUDIO_CSCP_AudioClass,
+ .SubClass = AUDIO_CSCP_MIDIStreamingSubclass,
+ .Protocol = AUDIO_CSCP_StreamingProtocol,
+
+ .InterfaceStrIndex = NO_DESCRIPTOR
+ },
+
+ .Audio_StreamInterface_SPC =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_AudioInterface_AS_t), .Type = DTYPE_CSInterface},
+ .Subtype = AUDIO_DSUBTYPE_CSInterface_General,
+
+ .AudioSpecification = VERSION_BCD(1,1,1),
+
+ .TotalLength = (sizeof(USB_Descriptor_Configuration_t) -
+ offsetof(USB_Descriptor_Configuration_t, Audio_StreamInterface_SPC))
+ },
+
+ .MIDI_In_Jack_Emb =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_InputJack_t), .Type = DTYPE_CSInterface},
+ .Subtype = AUDIO_DSUBTYPE_CSInterface_InputTerminal,
+
+ .JackType = MIDI_JACKTYPE_Embedded,
+ .JackID = 0x01,
+
+ .JackStrIndex = NO_DESCRIPTOR
+ },
+
+ .MIDI_In_Jack_Ext =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_InputJack_t), .Type = DTYPE_CSInterface},
+ .Subtype = AUDIO_DSUBTYPE_CSInterface_InputTerminal,
+
+ .JackType = MIDI_JACKTYPE_External,
+ .JackID = 0x02,
+
+ .JackStrIndex = NO_DESCRIPTOR
+ },
+
+ .MIDI_Out_Jack_Emb =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_OutputJack_t), .Type = DTYPE_CSInterface},
+ .Subtype = AUDIO_DSUBTYPE_CSInterface_OutputTerminal,
+
+ .JackType = MIDI_JACKTYPE_Embedded,
+ .JackID = 0x03,
+
+ .NumberOfPins = 1,
+ .SourceJackID = {0x02},
+ .SourcePinID = {0x01},
+
+ .JackStrIndex = NO_DESCRIPTOR
+ },
+
+ .MIDI_Out_Jack_Ext =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_OutputJack_t), .Type = DTYPE_CSInterface},
+ .Subtype = AUDIO_DSUBTYPE_CSInterface_OutputTerminal,
+
+ .JackType = MIDI_JACKTYPE_External,
+ .JackID = 0x04,
+
+ .NumberOfPins = 1,
+ .SourceJackID = {0x01},
+ .SourcePinID = {0x01},
+
+ .JackStrIndex = NO_DESCRIPTOR
+ },
+
+ .MIDI_In_Jack_Endpoint =
+ {
+ .Endpoint =
+ {
+ .Header = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint},
+
+ .EndpointAddress = (ENDPOINT_DIR_IN | MIDI_STREAM_IN_EPNUM),
+ .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
+ .EndpointSize = MIDI_STREAM_EPSIZE,
+ .PollingIntervalMS = 0x01
+ },
+
+ .Refresh = 0,
+ .SyncEndpointNumber = 0
+ },
+
+ .MIDI_In_Jack_Endpoint_SPC =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_Jack_Endpoint_t), .Type = DTYPE_CSEndpoint},
+ .Subtype = AUDIO_DSUBTYPE_CSEndpoint_General,
+
+ .TotalEmbeddedJacks = 0x01,
+ .AssociatedJackID = {0x01}
+ },
+
+ .MIDI_Out_Jack_Endpoint =
+ {
+ .Endpoint =
+ {
+ .Header = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint},
+
+ .EndpointAddress = (ENDPOINT_DIR_OUT | MIDI_STREAM_OUT_EPNUM),
+ .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
+ .EndpointSize = MIDI_STREAM_EPSIZE,
+ .PollingIntervalMS = 0x01
+ },
+
+ .Refresh = 0,
+ .SyncEndpointNumber = 0
+ },
+
+ .MIDI_Out_Jack_Endpoint_SPC =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_Jack_Endpoint_t), .Type = DTYPE_CSEndpoint},
+ .Subtype = AUDIO_DSUBTYPE_CSEndpoint_General,
+
+ .TotalEmbeddedJacks = 0x01,
+ .AssociatedJackID = {0x03}
+ }
+
};
diff --git a/protocol/lufa/descriptor.h b/protocol/lufa/descriptor.h
index 42af07917c..58a7df4407 100644
--- a/protocol/lufa/descriptor.h
+++ b/protocol/lufa/descriptor.h
@@ -85,6 +85,23 @@ typedef struct
USB_HID_Descriptor_HID_t NKRO_HID;
USB_Descriptor_Endpoint_t NKRO_INEndpoint;
#endif
+
+ // MIDI Audio Control Interface
+ USB_Descriptor_Interface_t Audio_ControlInterface;
+ USB_Audio_Descriptor_Interface_AC_t Audio_ControlInterface_SPC;
+
+ // MIDI Audio Streaming Interface
+ USB_Descriptor_Interface_t Audio_StreamInterface;
+ USB_MIDI_Descriptor_AudioInterface_AS_t Audio_StreamInterface_SPC;
+ USB_MIDI_Descriptor_InputJack_t MIDI_In_Jack_Emb;
+ USB_MIDI_Descriptor_InputJack_t MIDI_In_Jack_Ext;
+ USB_MIDI_Descriptor_OutputJack_t MIDI_Out_Jack_Emb;
+ USB_MIDI_Descriptor_OutputJack_t MIDI_Out_Jack_Ext;
+ USB_Audio_Descriptor_StreamEndpoint_Std_t MIDI_In_Jack_Endpoint;
+ USB_MIDI_Descriptor_Jack_Endpoint_t MIDI_In_Jack_Endpoint_SPC;
+ USB_Audio_Descriptor_StreamEndpoint_Std_t MIDI_Out_Jack_Endpoint;
+ USB_MIDI_Descriptor_Jack_Endpoint_t MIDI_Out_Jack_Endpoint_SPC;
+
} USB_Descriptor_Configuration_t;
@@ -117,7 +134,7 @@ typedef struct
/* nubmer of interfaces */
-#define TOTAL_INTERFACES (NKRO_INTERFACE + 1)
+#define TOTAL_INTERFACES (NKRO_INTERFACE + 3)
// Endopoint number and size
@@ -150,12 +167,16 @@ typedef struct
# endif
#endif
+#define MIDI_STREAM_IN_EPNUM (NKRO_IN_EPNUM + 1)
+#define MIDI_STREAM_OUT_EPNUM (NKRO_IN_EPNUM + 1)
+
#define KEYBOARD_EPSIZE 8
#define MOUSE_EPSIZE 8
#define EXTRAKEY_EPSIZE 8
#define CONSOLE_EPSIZE 32
#define NKRO_EPSIZE 16
+#define MIDI_STREAM_EPSIZE 64
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
diff --git a/protocol/lufa/lufa.c b/protocol/lufa/lufa.c
index cdfc7bc6ad..d4c8eb1692 100644
--- a/protocol/lufa/lufa.c
+++ b/protocol/lufa/lufa.c
@@ -52,6 +52,7 @@
#include "descriptor.h"
#include "lufa.h"
+
uint8_t keyboard_idle = 0;
uint8_t keyboard_protocol = 1;
static uint8_t keyboard_led_stats = 0;
@@ -65,14 +66,51 @@ static void send_keyboard(report_keyboard_t *report);
static void send_mouse(report_mouse_t *report);
static void send_system(uint16_t data);
static void send_consumer(uint16_t data);
+void usb_send_func(MidiDevice * device, uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2);
+void usb_get_midi(MidiDevice * device);
+void midi_usb_init(MidiDevice * device);
host_driver_t lufa_driver = {
keyboard_leds,
send_keyboard,
send_mouse,
send_system,
- send_consumer
+ send_consumer,
+ usb_send_func,
+ usb_get_midi,
+ midi_usb_init
+};
+
+void SetupHardware(void);
+
+USB_ClassInfo_MIDI_Device_t USB_MIDI_Interface =
+{
+ .Config =
+ {
+ .StreamingInterfaceNumber = 1,
+ .DataINEndpoint =
+ {
+ .Address = (ENDPOINT_DIR_IN | MIDI_STREAM_IN_EPNUM),
+ .Size = MIDI_STREAM_EPSIZE,
+ .Banks = 1,
+ },
+ .DataOUTEndpoint =
+ {
+ .Address = (ENDPOINT_DIR_OUT | MIDI_STREAM_OUT_EPNUM),
+ .Size = MIDI_STREAM_EPSIZE,
+ .Banks = 1,
+ },
+ },
};
+#define SYSEX_START_OR_CONT 0x40
+#define SYSEX_ENDS_IN_1 0x50
+#define SYSEX_ENDS_IN_2 0x60
+#define SYSEX_ENDS_IN_3 0x70
+
+#define SYS_COMMON_1 0x50
+#define SYS_COMMON_2 0x20
+#define SYS_COMMON_3 0x30
+
/*******************************************************************************
* Console
@@ -240,8 +278,13 @@ void EVENT_USB_Device_ConfigurationChanged(void)
ConfigSuccess &= ENDPOINT_CONFIG(NKRO_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
NKRO_EPSIZE, ENDPOINT_BANK_SINGLE);
#endif
+
+
+ ConfigSuccess &= MIDI_Device_ConfigureEndpoints(&USB_MIDI_Interface);
}
+
+
/*
Appendix G: HID Request Support Requirements
@@ -263,6 +306,8 @@ void EVENT_USB_Device_ControlRequest(void)
uint8_t* ReportData = NULL;
uint8_t ReportSize = 0;
+ MIDI_Device_ProcessControlRequest(&USB_MIDI_Interface);
+
/* Handle HID Class specific requests */
switch (USB_ControlRequest.bRequest)
{
@@ -541,10 +586,109 @@ int8_t sendchar(uint8_t c)
#endif
+
+
+
+void usb_send_func(MidiDevice * device, uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2) {
+ MIDI_EventPacket_t event;
+ event.Data1 = byte0;
+ event.Data2 = byte1;
+ event.Data3 = byte2;
+
+ //if the length is undefined we assume it is a SYSEX message
+ if (midi_packet_length(byte0) == UNDEFINED) {
+ switch(cnt) {
+ case 3:
+ if (byte2 == SYSEX_END)
+ event.Event = MIDI_EVENT(0, SYSEX_ENDS_IN_3);
+ else
+ event.Event = MIDI_EVENT(0, SYSEX_START_OR_CONT);
+ break;
+ case 2:
+ if (byte1 == SYSEX_END)
+ event.Event = MIDI_EVENT(0, SYSEX_ENDS_IN_2);
+ else
+ event.Event = MIDI_EVENT(0, SYSEX_START_OR_CONT);
+ break;
+ case 1:
+ if (byte0 == SYSEX_END)
+ event.Event = MIDI_EVENT(0, SYSEX_ENDS_IN_1);
+ else
+ event.Event = MIDI_EVENT(0, SYSEX_START_OR_CONT);
+ break;
+ default:
+ return; //invalid cnt
+ }
+ } else {
+ //deal with 'system common' messages
+ //TODO are there any more?
+ switch(byte0 & 0xF0){
+ case MIDI_SONGPOSITION:
+ event.Event = MIDI_EVENT(0, SYS_COMMON_3);
+ break;
+ case MIDI_SONGSELECT:
+ case MIDI_TC_QUARTERFRAME:
+ event.Event = MIDI_EVENT(0, SYS_COMMON_2);
+ break;
+ default:
+ event.Event = MIDI_EVENT(0, byte0);
+ break;
+ }
+ }
+
+ MIDI_Device_SendEventPacket(&USB_MIDI_Interface, &event);
+ MIDI_Device_Flush(&USB_MIDI_Interface);
+ MIDI_Device_USBTask(&USB_MIDI_Interface);
+ USB_USBTask();
+}
+
+void usb_get_midi(MidiDevice * device) {
+ MIDI_EventPacket_t event;
+ while (MIDI_Device_ReceiveEventPacket(&USB_MIDI_Interface, &event)) {
+
+ midi_packet_length_t length = midi_packet_length(event.Data1);
+ uint8_t input[3];
+ input[0] = event.Data1;
+ input[1] = event.Data2;
+ input[2] = event.Data3;
+ if (length == UNDEFINED) {
+ //sysex
+ if (event.Event == MIDI_EVENT(0, SYSEX_START_OR_CONT) || event.Event == MIDI_EVENT(0, SYSEX_ENDS_IN_3)) {
+ length = 3;
+ } else if (event.Event == MIDI_EVENT(0, SYSEX_ENDS_IN_2)) {
+ length = 2;
+ } else if(event.Event == MIDI_EVENT(0, SYSEX_ENDS_IN_1)) {
+ length = 1;
+ } else {
+ //XXX what to do?
+ }
+ }
+
+ //pass the data to the device input function
+ if (length != UNDEFINED)
+ midi_device_input(device, length, input);
+ }
+ MIDI_Device_USBTask(&USB_MIDI_Interface);
+ USB_USBTask();
+}
+
+void midi_usb_init(MidiDevice * device){
+ midi_device_init(device);
+ midi_device_set_send_func(device, usb_send_func);
+ midi_device_set_pre_input_process_func(device, usb_get_midi);
+
+ SetupHardware();
+ sei();
+}
+
+
+
+
+
/*******************************************************************************
* main
******************************************************************************/
-static void SetupHardware(void)
+void SetupHardware(void)
{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
@@ -563,12 +707,34 @@ static void SetupHardware(void)
print_set_sendchar(sendchar);
}
+void fallthrough_callback(MidiDevice * device,
+ uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2);
+void cc_callback(MidiDevice * device,
+ uint8_t chan, uint8_t num, uint8_t val);
+void sysex_callback(MidiDevice * device,
+ uint16_t start, uint8_t length, uint8_t * data);
+
int main(void) __attribute__ ((weak));
int main(void)
{
+ //setup the device
+
+ midi_device_init(&midi_device);
+ midi_device_set_send_func(&midi_device, usb_send_func);
+ midi_device_set_pre_input_process_func(&midi_device, usb_get_midi);
+
SetupHardware();
sei();
+ midi_register_fallthrough_callback(&midi_device, fallthrough_callback);
+ midi_register_cc_callback(&midi_device, cc_callback);
+ midi_register_sysex_callback(&midi_device, sysex_callback);
+
+ midi_send_cc(&midi_device, 0, 1, 2);
+ midi_send_cc(&midi_device, 15, 1, 0);
+ midi_send_noteon(&midi_device, 0, 64, 127);
+ midi_send_noteoff(&midi_device, 0, 64, 127);
+
/* wait for USB startup & debug output */
while (USB_DeviceState != DEVICE_STATE_Configured) {
#if defined(INTERRUPT_CONTROL_ENDPOINT)
@@ -598,8 +764,29 @@ int main(void)
keyboard_task();
+ midi_device_process(&midi_device);
+
#if !defined(INTERRUPT_CONTROL_ENDPOINT)
USB_USBTask();
#endif
}
}
+
+//echo data back
+void fallthrough_callback(MidiDevice * device,
+ uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2){
+ //pass the data back to the device, using the general purpose send data
+ //function, any bytes after cnt are ignored
+}
+
+void cc_callback(MidiDevice * device,
+ uint8_t chan, uint8_t num, uint8_t val) {
+ //sending it back on the next channel
+ midi_send_cc(device, (chan + 1) % 16, num, val);
+}
+
+void sysex_callback(MidiDevice * device,
+ uint16_t start, uint8_t length, uint8_t * data) {
+ for (int i = 0; i < length; i++)
+ midi_send_cc(device, 15, 0x7F & data[i], 0x7F & (start + i));
+}
diff --git a/protocol/lufa/lufa.h b/protocol/lufa/lufa.h
index 195123c0f9..505cb3279e 100644
--- a/protocol/lufa/lufa.h
+++ b/protocol/lufa/lufa.h
@@ -48,7 +48,7 @@
#include <LUFA/Version.h>
#include <LUFA/Drivers/USB/USB.h>
#include "host.h"
-
+#include "midi/midi.h"
#ifdef __cplusplus
extern "C" {
@@ -66,6 +66,7 @@ typedef struct {
uint16_t usage;
} __attribute__ ((packed)) report_extra_t;
+MidiDevice midi_device;
#if LUFA_VERSION_INTEGER < 0x120730
/* old API 120219 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 23:49:01 +0000