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-rw-r--r--circuitpython/shared-bindings/usb_midi/PortIn.c124
-rw-r--r--circuitpython/shared-bindings/usb_midi/PortIn.h41
-rw-r--r--circuitpython/shared-bindings/usb_midi/PortOut.c105
-rw-r--r--circuitpython/shared-bindings/usb_midi/PortOut.h40
-rw-r--r--circuitpython/shared-bindings/usb_midi/__init__.c98
-rw-r--r--circuitpython/shared-bindings/usb_midi/__init__.h38
6 files changed, 446 insertions, 0 deletions
diff --git a/circuitpython/shared-bindings/usb_midi/PortIn.c b/circuitpython/shared-bindings/usb_midi/PortIn.c
new file mode 100644
index 0000000..0056a08
--- /dev/null
+++ b/circuitpython/shared-bindings/usb_midi/PortIn.c
@@ -0,0 +1,124 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * 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.
+ */
+
+#include <stdint.h>
+
+#include "shared-bindings/usb_midi/PortIn.h"
+#include "shared-bindings/util.h"
+
+#include "py/ioctl.h"
+#include "py/objproperty.h"
+#include "py/runtime.h"
+#include "py/stream.h"
+#include "supervisor/shared/translate.h"
+
+//| class PortIn:
+//| """Receives midi commands over USB"""
+//|
+//| def __init__(self) -> None:
+//| """You cannot create an instance of `usb_midi.PortIn`.
+//|
+//| PortIn objects are constructed for every corresponding entry in the USB
+//| descriptor and added to the ``usb_midi.ports`` tuple."""
+//| ...
+//|
+
+// These are standard stream methods. Code is in py/stream.c.
+//
+//| def read(self, nbytes: Optional[int] = None) -> Optional[bytes]:
+//| """Read characters. If ``nbytes`` is specified then read at most that many
+//| bytes. Otherwise, read everything that arrives until the connection
+//| times out. Providing the number of bytes expected is highly recommended
+//| because it will be faster.
+//|
+//| :return: Data read
+//| :rtype: bytes or None"""
+//| ...
+//|
+//| def readinto(self, buf: WriteableBuffer, nbytes: Optional[int] = None) -> Optional[bytes]:
+//| """Read bytes into the ``buf``. If ``nbytes`` is specified then read at most
+//| that many bytes. Otherwise, read at most ``len(buf)`` bytes.
+//|
+//| :return: number of bytes read and stored into ``buf``
+//| :rtype: bytes or None"""
+//| ...
+//|
+
+// These three methods are used by the shared stream methods.
+STATIC mp_uint_t usb_midi_portin_read(mp_obj_t self_in, void *buf_in, mp_uint_t size, int *errcode) {
+ usb_midi_portin_obj_t *self = MP_OBJ_TO_PTR(self_in);
+ byte *buf = buf_in;
+
+ // make sure we want at least 1 char
+ if (size == 0) {
+ return 0;
+ }
+
+ return common_hal_usb_midi_portin_read(self, buf, size, errcode);
+}
+
+STATIC mp_uint_t usb_midi_portin_ioctl(mp_obj_t self_in, mp_uint_t request, mp_uint_t arg, int *errcode) {
+ usb_midi_portin_obj_t *self = MP_OBJ_TO_PTR(self_in);
+ mp_uint_t ret;
+ if (request == MP_IOCTL_POLL) {
+ mp_uint_t flags = arg;
+ ret = 0;
+ if ((flags & MP_IOCTL_POLL_RD) && common_hal_usb_midi_portin_bytes_available(self) > 0) {
+ ret |= MP_IOCTL_POLL_RD;
+ }
+ } else {
+ *errcode = MP_EINVAL;
+ ret = MP_STREAM_ERROR;
+ }
+ return ret;
+}
+
+STATIC const mp_rom_map_elem_t usb_midi_portin_locals_dict_table[] = {
+ // Standard stream methods.
+ { MP_OBJ_NEW_QSTR(MP_QSTR_read), MP_ROM_PTR(&mp_stream_read_obj) },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_readinto), MP_ROM_PTR(&mp_stream_readinto_obj) },
+};
+STATIC MP_DEFINE_CONST_DICT(usb_midi_portin_locals_dict, usb_midi_portin_locals_dict_table);
+
+STATIC const mp_stream_p_t usb_midi_portin_stream_p = {
+ MP_PROTO_IMPLEMENT(MP_QSTR_protocol_stream)
+ .read = usb_midi_portin_read,
+ .write = NULL,
+ .ioctl = usb_midi_portin_ioctl,
+ .is_text = false,
+};
+
+const mp_obj_type_t usb_midi_portin_type = {
+ { &mp_type_type },
+ .flags = MP_TYPE_FLAG_EXTENDED,
+ .name = MP_QSTR_PortIn,
+ .locals_dict = (mp_obj_dict_t *)&usb_midi_portin_locals_dict,
+ MP_TYPE_EXTENDED_FIELDS(
+ .getiter = mp_identity_getiter,
+ .iternext = mp_stream_unbuffered_iter,
+ .protocol = &usb_midi_portin_stream_p,
+ ),
+};
diff --git a/circuitpython/shared-bindings/usb_midi/PortIn.h b/circuitpython/shared-bindings/usb_midi/PortIn.h
new file mode 100644
index 0000000..58d017f
--- /dev/null
+++ b/circuitpython/shared-bindings/usb_midi/PortIn.h
@@ -0,0 +1,41 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * 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.
+ */
+
+#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_USB_MIDI_PORTIN_H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_USB_MIDI_PORTIN_H
+
+#include "shared-module/usb_midi/PortIn.h"
+
+extern const mp_obj_type_t usb_midi_portin_type;
+
+// Read characters.
+extern size_t common_hal_usb_midi_portin_read(usb_midi_portin_obj_t *self,
+ uint8_t *data, size_t len, int *errcode);
+
+extern uint32_t common_hal_usb_midi_portin_bytes_available(usb_midi_portin_obj_t *self);
+extern void common_hal_usb_midi_portin_clear_buffer(usb_midi_portin_obj_t *self);
+
+#endif // MICROPY_INCLUDED_SHARED_BINDINGS_USB_MIDI_PORTIN_H
diff --git a/circuitpython/shared-bindings/usb_midi/PortOut.c b/circuitpython/shared-bindings/usb_midi/PortOut.c
new file mode 100644
index 0000000..c468401
--- /dev/null
+++ b/circuitpython/shared-bindings/usb_midi/PortOut.c
@@ -0,0 +1,105 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * 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.
+ */
+
+#include <stdint.h>
+
+#include "shared-bindings/usb_midi/PortOut.h"
+#include "shared-bindings/util.h"
+
+#include "py/ioctl.h"
+#include "py/objproperty.h"
+#include "py/runtime.h"
+#include "py/stream.h"
+#include "supervisor/shared/translate.h"
+
+//| class PortOut:
+//| """Sends midi messages to a computer over USB"""
+//|
+//| def __init__(self) -> None:
+//| """You cannot create an instance of `usb_midi.PortOut`.
+//|
+//| PortOut objects are constructed for every corresponding entry in the USB
+//| descriptor and added to the ``usb_midi.ports`` tuple."""
+//|
+
+// These are standard stream methods. Code is in py/stream.c.
+//
+//| def write(self, buf: ReadableBuffer) -> Optional[int]:
+//| """Write the buffer of bytes to the bus.
+//|
+//| :return: the number of bytes written
+//| :rtype: int or None"""
+//| ...
+//|
+
+STATIC mp_uint_t usb_midi_portout_write(mp_obj_t self_in, const void *buf_in, mp_uint_t size, int *errcode) {
+ usb_midi_portout_obj_t *self = MP_OBJ_TO_PTR(self_in);
+ const byte *buf = buf_in;
+
+ return common_hal_usb_midi_portout_write(self, buf, size, errcode);
+}
+
+STATIC mp_uint_t usb_midi_portout_ioctl(mp_obj_t self_in, mp_uint_t request, mp_uint_t arg, int *errcode) {
+ usb_midi_portout_obj_t *self = MP_OBJ_TO_PTR(self_in);
+ mp_uint_t ret;
+ if (request == MP_IOCTL_POLL) {
+ mp_uint_t flags = arg;
+ ret = 0;
+ if ((flags & MP_IOCTL_POLL_WR) && common_hal_usb_midi_portout_ready_to_tx(self)) {
+ ret |= MP_IOCTL_POLL_WR;
+ }
+ } else {
+ *errcode = MP_EINVAL;
+ ret = MP_STREAM_ERROR;
+ }
+ return ret;
+}
+
+STATIC const mp_rom_map_elem_t usb_midi_portout_locals_dict_table[] = {
+ // Standard stream methods.
+ { MP_OBJ_NEW_QSTR(MP_QSTR_write), MP_ROM_PTR(&mp_stream_write_obj) },
+};
+STATIC MP_DEFINE_CONST_DICT(usb_midi_portout_locals_dict, usb_midi_portout_locals_dict_table);
+
+STATIC const mp_stream_p_t usb_midi_portout_stream_p = {
+ MP_PROTO_IMPLEMENT(MP_QSTR_protocol_stream)
+ .read = NULL,
+ .write = usb_midi_portout_write,
+ .ioctl = usb_midi_portout_ioctl,
+ .is_text = false,
+};
+
+const mp_obj_type_t usb_midi_portout_type = {
+ { &mp_type_type },
+ .flags = MP_TYPE_FLAG_EXTENDED,
+ .name = MP_QSTR_PortOut,
+ .locals_dict = (mp_obj_dict_t *)&usb_midi_portout_locals_dict,
+ MP_TYPE_EXTENDED_FIELDS(
+ .getiter = mp_identity_getiter,
+ .iternext = mp_stream_unbuffered_iter,
+ .protocol = &usb_midi_portout_stream_p,
+ ),
+};
diff --git a/circuitpython/shared-bindings/usb_midi/PortOut.h b/circuitpython/shared-bindings/usb_midi/PortOut.h
new file mode 100644
index 0000000..7d8a014
--- /dev/null
+++ b/circuitpython/shared-bindings/usb_midi/PortOut.h
@@ -0,0 +1,40 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * 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.
+ */
+
+#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_USB_MIDI_PORTOUT_H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_USB_MIDI_PORTOUT_H
+
+#include "shared-module/usb_midi/PortOut.h"
+
+extern const mp_obj_type_t usb_midi_portout_type;
+
+// Write characters. len is in characters NOT bytes!
+extern size_t common_hal_usb_midi_portout_write(usb_midi_portout_obj_t *self,
+ const uint8_t *data, size_t len, int *errcode);
+
+extern bool common_hal_usb_midi_portout_ready_to_tx(usb_midi_portout_obj_t *self);
+
+#endif // MICROPY_INCLUDED_SHARED_BINDINGS_USB_MIDI_PORTOUT_H
diff --git a/circuitpython/shared-bindings/usb_midi/__init__.c b/circuitpython/shared-bindings/usb_midi/__init__.c
new file mode 100644
index 0000000..ec065d1
--- /dev/null
+++ b/circuitpython/shared-bindings/usb_midi/__init__.c
@@ -0,0 +1,98 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * 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.
+ */
+
+#include <stdint.h>
+
+#include "py/obj.h"
+#include "py/runtime.h"
+
+#include "shared-bindings/usb_midi/__init__.h"
+#include "shared-bindings/usb_midi/PortIn.h"
+#include "shared-bindings/usb_midi/PortOut.h"
+
+#include "py/runtime.h"
+
+//| """MIDI over USB
+//|
+//| The `usb_midi` module contains classes to transmit and receive MIDI messages over USB."""
+//|
+//| ports: Tuple[Union[PortIn, PortOut], ...]
+//| """Tuple of all MIDI ports. Each item is ether `PortIn` or `PortOut`."""
+//|
+
+//| def disable() -> None:
+//| """Disable presenting a USB MIDI device to the host.
+//| The device is normally enabled by default, but on some boards with limited endpoints
+//| including ESP32-S2 and certain STM boards, it is disabled by default.
+//| Can be called in ``boot.py``, before USB is connected."""
+//| ...
+//|
+STATIC mp_obj_t usb_midi_disable(void) {
+ if (!common_hal_usb_midi_disable()) {
+ mp_raise_RuntimeError(translate("Cannot change USB devices now"));
+ }
+ return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_0(usb_midi_disable_obj, usb_midi_disable);
+
+//| def enable() -> None:
+//| """Enable presenting a USB MIDI device to the host.
+//| The device is enabled by default, so you do not normally need to call this function.
+//| Can be called in ``boot.py``, before USB is connected.
+//|
+//| If you enable too many devices at once, you will run out of USB endpoints.
+//| The number of available endpoints varies by microcontroller.
+//| CircuitPython will go into safe mode after running boot.py to inform you if
+//| not enough endpoints are available.
+//| """
+//| ...
+//|
+STATIC mp_obj_t usb_midi_enable(void) {
+ if (!common_hal_usb_midi_enable()) {
+ mp_raise_RuntimeError(translate("Cannot change USB devices now"));
+ }
+ return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_0(usb_midi_enable_obj, usb_midi_enable);
+
+mp_map_elem_t usb_midi_module_globals_table[] = {
+ { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_usb_midi) },
+ { MP_ROM_QSTR(MP_QSTR_disable), MP_OBJ_FROM_PTR(&usb_midi_disable_obj) },
+ { MP_ROM_QSTR(MP_QSTR_enable), MP_OBJ_FROM_PTR(&usb_midi_enable_obj) },
+ { MP_ROM_QSTR(MP_QSTR_ports), mp_const_empty_tuple },
+ { MP_ROM_QSTR(MP_QSTR_PortIn), MP_OBJ_FROM_PTR(&usb_midi_portin_type) },
+ { MP_ROM_QSTR(MP_QSTR_PortOut), MP_OBJ_FROM_PTR(&usb_midi_portout_type) },
+};
+
+// This isn't const so we can set ports dynamically.
+MP_DEFINE_MUTABLE_DICT(usb_midi_module_globals, usb_midi_module_globals_table);
+
+const mp_obj_module_t usb_midi_module = {
+ .base = { &mp_type_module },
+ .globals = (mp_obj_dict_t *)&usb_midi_module_globals,
+};
+
+MP_REGISTER_MODULE(MP_QSTR_usb_midi, usb_midi_module, CIRCUITPY_USB_MIDI);
diff --git a/circuitpython/shared-bindings/usb_midi/__init__.h b/circuitpython/shared-bindings/usb_midi/__init__.h
new file mode 100644
index 0000000..b657cfe
--- /dev/null
+++ b/circuitpython/shared-bindings/usb_midi/__init__.h
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft
+ *
+ * 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.
+ */
+
+#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_USB_MIDI___INIT___H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_USB_MIDI___INIT___H
+
+#include "py/obj.h"
+#include "shared-module/usb_midi/__init__.h"
+
+extern mp_obj_dict_t usb_midi_module_globals;
+
+bool common_hal_usb_midi_disable(void);
+bool common_hal_usb_midi_enable(void);
+
+#endif // MICROPY_INCLUDED_SHARED_BINDINGS_USB_MIDI___INIT___H