1 files changed, 126 insertions, 0 deletions
diff --git a/circuitpython/shared-bindings/terminalio/Terminal.c b/circuitpython/shared-bindings/terminalio/Terminal.c
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+++ b/circuitpython/shared-bindings/terminalio/Terminal.c
@@ -0,0 +1,126 @@
+/*
+ * 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/terminalio/Terminal.h"
+#include "shared-bindings/util.h"
+
+#include "py/ioctl.h"
+#include "py/objproperty.h"
+#include "py/objstr.h"
+#include "py/runtime.h"
+#include "py/stream.h"
+#include "shared-bindings/fontio/BuiltinFont.h"
+#include "supervisor/shared/translate.h"
+
+//| class Terminal:
+//|     """Display a character stream with a TileGrid"""
+//|
+//|     def __init__(self, tilegrid: displayio.TileGrid, font: fontio.BuiltinFont) -> None:
+//|         """Terminal manages tile indices and cursor position based on VT100 commands. The font should be
+//|         a `fontio.BuiltinFont` and the TileGrid's bitmap should match the font's bitmap."""
+//|         ...
+//|
+
+STATIC mp_obj_t terminalio_terminal_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
+    enum { ARG_tilegrid, ARG_font };
+    static const mp_arg_t allowed_args[] = {
+        { MP_QSTR_tilegrid, MP_ARG_REQUIRED | MP_ARG_OBJ },
+        { MP_QSTR_font, MP_ARG_REQUIRED | MP_ARG_OBJ },
+    };
+    mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
+    mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
+
+    displayio_tilegrid_t *tilegrid = mp_arg_validate_type(args[ARG_tilegrid].u_obj, &displayio_tilegrid_type, MP_QSTR_tilegrid);
+
+    fontio_builtinfont_t *font = mp_arg_validate_type(args[ARG_font].u_obj, &fontio_builtinfont_type, MP_QSTR_font);
+
+    terminalio_terminal_obj_t *self = m_new_obj(terminalio_terminal_obj_t);
+    self->base.type = &terminalio_terminal_type;
+
+    common_hal_terminalio_terminal_construct(self, tilegrid, font);
+    return MP_OBJ_FROM_PTR(self);
+}
+
+// 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 terminalio_terminal_write(mp_obj_t self_in, const void *buf_in, mp_uint_t size, int *errcode) {
+    terminalio_terminal_obj_t *self = MP_OBJ_TO_PTR(self_in);
+    const byte *buf = buf_in;
+
+    return common_hal_terminalio_terminal_write(self, buf, size, errcode);
+}
+
+STATIC mp_uint_t terminalio_terminal_ioctl(mp_obj_t self_in, mp_uint_t request, mp_uint_t arg, int *errcode) {
+    terminalio_terminal_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_terminalio_terminal_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 terminalio_terminal_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(terminalio_terminal_locals_dict, terminalio_terminal_locals_dict_table);
+
+STATIC const mp_stream_p_t terminalio_terminal_stream_p = {
+    MP_PROTO_IMPLEMENT(MP_QSTR_protocol_stream)
+    .read = NULL,
+    .write = terminalio_terminal_write,
+    .ioctl = terminalio_terminal_ioctl,
+    .is_text = true,
+};
+
+const mp_obj_type_t terminalio_terminal_type = {
+    { &mp_type_type },
+    .flags = MP_TYPE_FLAG_EXTENDED,
+    .name = MP_QSTR_Terminal,
+    .make_new = terminalio_terminal_make_new,
+    .locals_dict = (mp_obj_dict_t *)&terminalio_terminal_locals_dict,
+    MP_TYPE_EXTENDED_FIELDS(
+        .getiter = mp_identity_getiter,
+        .iternext = mp_stream_unbuffered_iter,
+        .protocol = &terminalio_terminal_stream_p,
+        ),
+};