blob: e05e0b2e61eca4972f74f6a20f1a86f5f941ab4f [file] [log] [blame]
/* microbit.c - BBC micro:bit specific hooks */
/*
* Copyright (c) 2017 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <drivers/gpio.h>
#include <board.h>
#include <soc.h>
#include <sys/printk.h>
#include <ctype.h>
#include <drivers/gpio.h>
#include <drivers/pwm.h>
#include <display/mb_display.h>
#include <bluetooth/mesh.h>
#include "board.h"
#define SCROLL_SPEED K_MSEC(300)
#define BUZZER_PIN EXT_P0_GPIO_PIN
#define BEEP_DURATION K_MSEC(60)
#define SEQ_PER_BIT 976
#define SEQ_PAGE (NRF_FICR->CODEPAGESIZE * (NRF_FICR->CODESIZE - 1))
#define SEQ_MAX (NRF_FICR->CODEPAGESIZE * 8 * SEQ_PER_BIT)
static struct device *gpio;
static struct device *nvm;
static struct device *pwm;
static struct k_work button_work;
static void button_send_pressed(struct k_work *work)
{
printk("button_send_pressed()\n");
board_button_1_pressed();
}
static void button_pressed(struct device *dev, struct gpio_callback *cb,
u32_t pins)
{
struct mb_display *disp = mb_display_get();
if (pins & BIT(DT_ALIAS_SW0_GPIOS_PIN)) {
k_work_submit(&button_work);
} else {
u16_t target = board_set_target();
if (target > 0x0009) {
mb_display_print(disp, MB_DISPLAY_MODE_SINGLE,
K_SECONDS(2), "A");
} else {
mb_display_print(disp, MB_DISPLAY_MODE_SINGLE,
K_SECONDS(2), "%X", (target & 0xf));
}
}
}
static const struct {
char note;
u32_t period;
u32_t sharp;
} period_map[] = {
{ 'C', 3822, 3608 },
{ 'D', 3405, 3214 },
{ 'E', 3034, 3034 },
{ 'F', 2863, 2703 },
{ 'G', 2551, 2407 },
{ 'A', 2273, 2145 },
{ 'B', 2025, 2025 },
};
static u32_t get_period(char note, bool sharp)
{
int i;
if (note == ' ') {
return 0;
}
for (i = 0; i < ARRAY_SIZE(period_map); i++) {
if (period_map[i].note != note) {
continue;
}
if (sharp) {
return period_map[i].sharp;
} else {
return period_map[i].period;
}
}
return 1500;
}
void board_play_tune(const char *str)
{
while (*str) {
u32_t period, duration = 0U;
while (*str && !isdigit((unsigned char)*str)) {
str++;
}
while (isdigit((unsigned char)*str)) {
duration *= 10U;
duration += *str - '0';
str++;
}
if (!*str) {
break;
}
if (str[1] == '#') {
period = get_period(*str, true);
str += 2;
} else {
period = get_period(*str, false);
str++;
}
if (period) {
pwm_pin_set_usec(pwm, BUZZER_PIN, period, period / 2U,
0);
}
k_sleep(duration);
/* Disable the PWM */
pwm_pin_set_usec(pwm, BUZZER_PIN, 0, 0, 0);
}
}
void board_heartbeat(u8_t hops, u16_t feat)
{
struct mb_display *disp = mb_display_get();
const struct mb_image hops_img[] = {
MB_IMAGE({ 1, 1, 1, 1, 1 },
{ 1, 1, 1, 1, 1 },
{ 1, 1, 1, 1, 1 },
{ 1, 1, 1, 1, 1 },
{ 1, 1, 1, 1, 1 }),
MB_IMAGE({ 1, 1, 1, 1, 1 },
{ 1, 1, 1, 1, 1 },
{ 1, 1, 0, 1, 1 },
{ 1, 1, 1, 1, 1 },
{ 1, 1, 1, 1, 1 }),
MB_IMAGE({ 1, 1, 1, 1, 1 },
{ 1, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 1 },
{ 1, 1, 1, 1, 1 }),
MB_IMAGE({ 1, 1, 1, 1, 1 },
{ 1, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 1 },
{ 1, 1, 1, 1, 1 }),
MB_IMAGE({ 1, 0, 1, 0, 1 },
{ 0, 0, 0, 0, 0 },
{ 1, 0, 0, 0, 1 },
{ 0, 0, 0, 0, 0 },
{ 1, 0, 1, 0, 1 })
};
printk("%u hops\n", hops);
if (hops) {
hops = MIN(hops, ARRAY_SIZE(hops_img));
mb_display_image(disp, MB_DISPLAY_MODE_SINGLE, K_SECONDS(2),
&hops_img[hops - 1], 1);
}
}
void board_other_dev_pressed(u16_t addr)
{
struct mb_display *disp = mb_display_get();
printk("board_other_dev_pressed(0x%04x)\n", addr);
mb_display_print(disp, MB_DISPLAY_MODE_SINGLE, K_SECONDS(2),
"%X", (addr & 0xf));
}
void board_attention(bool attention)
{
struct mb_display *disp = mb_display_get();
static const struct mb_image attn_img[] = {
MB_IMAGE({ 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0 },
{ 0, 0, 1, 0, 0 },
{ 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0 }),
MB_IMAGE({ 0, 0, 0, 0, 0 },
{ 0, 1, 1, 1, 0 },
{ 0, 1, 1, 1, 0 },
{ 0, 1, 1, 1, 0 },
{ 0, 0, 0, 0, 0 }),
MB_IMAGE({ 1, 1, 1, 1, 1 },
{ 1, 1, 1, 1, 1 },
{ 1, 1, 0, 1, 1 },
{ 1, 1, 1, 1, 1 },
{ 1, 1, 1, 1, 1 }),
MB_IMAGE({ 1, 1, 1, 1, 1 },
{ 1, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 1 },
{ 1, 1, 1, 1, 1 }),
};
if (attention) {
mb_display_image(disp,
MB_DISPLAY_MODE_DEFAULT | MB_DISPLAY_FLAG_LOOP,
K_MSEC(150), attn_img, ARRAY_SIZE(attn_img));
} else {
mb_display_stop(disp);
}
}
static void configure_button(void)
{
static struct gpio_callback button_cb;
k_work_init(&button_work, button_send_pressed);
gpio = device_get_binding(DT_ALIAS_SW0_GPIOS_CONTROLLER);
gpio_pin_configure(gpio, DT_ALIAS_SW0_GPIOS_PIN,
GPIO_INPUT | DT_ALIAS_SW0_GPIOS_FLAGS);
gpio_pin_interrupt_configure(gpio, DT_ALIAS_SW0_GPIOS_PIN,
GPIO_INT_EDGE_TO_ACTIVE);
gpio_pin_configure(gpio, DT_ALIAS_SW1_GPIOS_PIN,
GPIO_INPUT | DT_ALIAS_SW1_GPIOS_FLAGS);
gpio_pin_interrupt_configure(gpio, DT_ALIAS_SW1_GPIOS_PIN,
GPIO_INT_EDGE_TO_ACTIVE);
gpio_init_callback(&button_cb, button_pressed,
BIT(DT_ALIAS_SW0_GPIOS_PIN) | BIT(DT_ALIAS_SW1_GPIOS_PIN));
gpio_add_callback(gpio, &button_cb);
}
void board_init(u16_t *addr)
{
struct mb_display *disp = mb_display_get();
nvm = device_get_binding(DT_FLASH_DEV_NAME);
pwm = device_get_binding(DT_INST_0_NORDIC_NRF_SW_PWM_LABEL);
*addr = NRF_UICR->CUSTOMER[0];
if (!*addr || *addr == 0xffff) {
#if defined(NODE_ADDR)
*addr = NODE_ADDR;
#else
*addr = 0x0b0c;
#endif
}
mb_display_print(disp, MB_DISPLAY_MODE_DEFAULT, SCROLL_SPEED,
"0x%04x", *addr);
configure_button();
}