Lib/MicroPython: Added pyb LED support

Lib/MicroPython/CMakeLists.txt

@@ -43,6 +43,7 @@ set(MICROPYTHON_BUILD_HEADER_DIR ${MICROPYTHON_BUILD_DIR}/genhdr)
 # List of sources
 set(micropython_lib_SRCS micropython.c
                          modpyb.c
+                         led.c
                          uart_core.c)
 
 if(NOT IS_DIRECTORY ${MICROPYTHON_SRC_DIR})

Lib/MicroPython/board/nordic/mpplatformport.h

@@ -27,4 +27,10 @@
 #ifndef __MP_PLATFORM_PORT_H__
 #define __MP_PLATFORM_PORT_H__
 
+//
+// Platform Specific Settings
+//
+#define PYB_LED_COUNT	      4
+#define PYB_LED_HAS_INTENSITY 0
+
 #endif

Lib/MicroPython/led.c

@@ -0,0 +1,144 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013-2016 Damien P. George
+ *
+ * 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 "board.h"
+
+#include "py/nlr.h"
+#include "py/runtime.h"
+#include "py/mphal.h"
+#include "led.h"
+
+#include <stdio.h>
+
+typedef struct _pyb_led_obj_t {
+    mp_obj_base_t base;
+    mp_uint_t     led_id;
+} pyb_led_obj_t;
+
+STATIC const pyb_led_obj_t pyb_led_obj[] = {
+    { {&pyb_led_type}, 1 },
+#if PYB_LED_COUNT > 1
+    { {&pyb_led_type}, 2 },
+#if PYB_LED_COUNT > 2
+    { {&pyb_led_type}, 3 },
+#if PYB_LED_COUNT > 3
+    { {&pyb_led_type}, 4 },
+#endif
+#endif
+#endif
+};
+
+/******************************************************************************/
+/* Micro Python bindings                                                      */
+
+void led_obj_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
+    pyb_led_obj_t *self = self_in;
+    mp_printf(print, "LED(%lu)", self->led_id);
+}
+
+/// \classmethod \constructor(id)
+/// Create an LED object associated with the given LED:
+///
+///   - `id` is the LED number, 1-4.
+STATIC mp_obj_t led_obj_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
+    // check arguments
+    mp_arg_check_num(n_args, n_kw, 1, 1, false);
+
+    // get led number
+    mp_int_t led_id = mp_obj_get_int(args[0]);
+
+    // check led number
+    if (!(1 <= led_id && led_id <= PYB_LED_COUNT)) {
+        nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "LED(%d) does not exist", led_id));
+    }
+
+    // return static led object
+    return (mp_obj_t)&pyb_led_obj[led_id - 1];
+}
+
+/// \method on()
+/// Turn the LED on.
+mp_obj_t led_obj_on(mp_obj_t self_in) {
+    pyb_led_obj_t *self = self_in;
+    led_on(self->led_id);
+    return mp_const_none;
+}
+
+/// \method off()
+/// Turn the LED off.
+mp_obj_t led_obj_off(mp_obj_t self_in) {
+    pyb_led_obj_t *self = self_in;
+    led_off(self->led_id);
+    return mp_const_none;
+}
+
+/// \method toggle()
+/// Toggle the LED between on and off.
+mp_obj_t led_obj_toggle(mp_obj_t self_in) {
+    pyb_led_obj_t *self = self_in;
+    led_toggle(self->led_id);
+    return mp_const_none;
+}
+
+/// \method intensity([value])
+/// Get or set the LED intensity.  Intensity ranges between 0 (off) and 255 (full on).
+/// If no argument is given, return the LED intensity.
+/// If an argument is given, set the LED intensity and return `None`.
+mp_obj_t led_obj_intensity(mp_uint_t n_args, const mp_obj_t *args) {
+    pyb_led_obj_t *self = args[0];
+    if (n_args == 1) {
+#if PYB_LED_HAS_INTENSITY
+        return mp_obj_new_int(led_get(self->led_id));
+#else
+        return mp_obj_new_int(led_get(self->led_id) * 255);
+#endif
+    } else {
+        led_set(self->led_id, mp_obj_get_int(args[1]));
+        return mp_const_none;
+    }
+}
+
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(led_obj_on_obj, led_obj_on);
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(led_obj_off_obj, led_obj_off);
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(led_obj_toggle_obj, led_obj_toggle);
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(led_obj_intensity_obj, 1, 2, led_obj_intensity);
+
+STATIC const mp_map_elem_t led_locals_dict_table[] = {
+    { MP_OBJ_NEW_QSTR(MP_QSTR_on), (mp_obj_t)&led_obj_on_obj },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_off), (mp_obj_t)&led_obj_off_obj },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_toggle), (mp_obj_t)&led_obj_toggle_obj },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_intensity), (mp_obj_t)&led_obj_intensity_obj },
+};
+
+STATIC MP_DEFINE_CONST_DICT(led_locals_dict, led_locals_dict_table);
+
+const mp_obj_type_t pyb_led_type = {
+    { &mp_type_type },
+    .name = MP_QSTR_LED,
+    .print = led_obj_print,
+    .make_new = led_obj_make_new,
+    .locals_dict = (mp_obj_t)&led_locals_dict,
+};

Lib/MicroPython/led.h

@@ -0,0 +1,27 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013, 2014 Damien P. George
+ *
+ * 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.
+ */
+
+extern const mp_obj_type_t pyb_led_type;

Lib/MicroPython/modpyb.c

@@ -52,8 +52,11 @@
 #include "py/mpconfig.h"
 #include "py/obj.h"
 
+#include "led.h"
+
 STATIC const mp_map_elem_t pyb_module_globals_table[] = {
     { MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_pyb) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_LED), (mp_obj_t)&pyb_led_type },
 };
 
 STATIC MP_DEFINE_CONST_DICT(pyb_module_globals, pyb_module_globals_table);