1 /* microbit.c - BBC micro:bit specific hooks */
2
3 /*
4 * Copyright (c) 2017 Intel Corporation
5 *
6 * SPDX-License-Identifier: Apache-2.0
7 */
8
9
10 #include <zephyr/bluetooth/mesh.h>
11 #include <zephyr/display/mb_display.h>
12 #include <zephyr/drivers/gpio.h>
13 #include "board.h"
14
15 static uint32_t oob_number;
16 static const struct gpio_dt_spec button =
17 GPIO_DT_SPEC_GET(DT_NODELABEL(buttona), gpios);
18 static const struct mb_image onoff[] = {
19 MB_IMAGE({ 0, 0, 0, 0, 0 },
20 { 0, 0, 0, 0, 0 },
21 { 0, 0, 0, 0, 0 },
22 { 0, 0, 0, 0, 0 },
23 { 0, 0, 0, 0, 0 }),
24 MB_IMAGE({ 1, 1, 1, 1, 1 },
25 { 1, 1, 1, 1, 1 },
26 { 1, 1, 1, 1, 1 },
27 { 1, 1, 1, 1, 1 },
28 { 1, 1, 1, 1, 1 }),
29 };
30 static struct k_work *button_work;
31
button_pressed(const struct device * dev,struct gpio_callback * cb,uint32_t pins)32 static void button_pressed(const struct device *dev, struct gpio_callback *cb,
33 uint32_t pins)
34 {
35 struct mb_display *disp = mb_display_get();
36
37 /*
38 * CONFIG_MICROBIT_DISPLAY_STR_MAX needs adjustment if you
39 * change this.
40 */
41 mb_display_print(disp, MB_DISPLAY_MODE_DEFAULT, 500, "%04u",
42 oob_number);
43
44 if (button_work) {
45 k_work_submit(button_work);
46 }
47 }
48
configure_button(void)49 static void configure_button(void)
50 {
51 static struct gpio_callback button_cb;
52
53 gpio_pin_configure_dt(&button, GPIO_INPUT);
54 gpio_pin_interrupt_configure_dt(&button, GPIO_INT_EDGE_TO_ACTIVE);
55
56 gpio_init_callback(&button_cb, button_pressed, BIT(button.pin));
57
58 gpio_add_callback(button.port, &button_cb);
59 }
60
board_output_number(bt_mesh_output_action_t action,uint32_t number)61 void board_output_number(bt_mesh_output_action_t action, uint32_t number)
62 {
63 struct mb_display *disp = mb_display_get();
64 const struct mb_image arrow = MB_IMAGE({ 0, 0, 1, 0, 0 },
65 { 0, 1, 0, 0, 0 },
66 { 1, 1, 1, 1, 1 },
67 { 0, 1, 0, 0, 0 },
68 { 0, 0, 1, 0, 0 });
69
70 oob_number = number;
71
72 gpio_pin_interrupt_configure_dt(&button, GPIO_INT_EDGE_TO_ACTIVE);
73
74 mb_display_image(disp, MB_DISPLAY_MODE_DEFAULT, SYS_FOREVER_MS, &arrow,
75 1);
76 }
77
board_prov_complete(void)78 void board_prov_complete(void)
79 {
80 struct mb_display *disp = mb_display_get();
81 const struct mb_image smile = MB_IMAGE({ 0, 1, 0, 1, 0 },
82 { 0, 1, 0, 1, 0 },
83 { 0, 0, 0, 0, 0 },
84 { 1, 0, 0, 0, 1 },
85 { 0, 1, 1, 1, 0 });
86
87 gpio_pin_interrupt_configure_dt(&button, GPIO_INT_DISABLE);
88
89 mb_display_image(disp, MB_DISPLAY_MODE_DEFAULT, 10 * MSEC_PER_SEC,
90 &smile, 1);
91 }
92
board_init(struct k_work * button_work_arg)93 int board_init(struct k_work *button_work_arg)
94 {
95 struct mb_display *disp = mb_display_get();
96
97 mb_display_image(disp, MB_DISPLAY_MODE_DEFAULT | MB_DISPLAY_FLAG_LOOP,
98 1 * MSEC_PER_SEC, onoff, ARRAY_SIZE(onoff));
99
100 button_work = button_work_arg;
101
102 configure_button();
103
104 return 0;
105 }
106
board_led_set(bool val)107 void board_led_set(bool val)
108 {
109 struct mb_display *disp = mb_display_get();
110
111 mb_display_image(disp, MB_DISPLAY_MODE_DEFAULT, SYS_FOREVER_MS,
112 &onoff[val], 1);
113 }
114
