Bram
/
BangleApps
forked from FOSS/BangleApps
1
0
Fork 0
Code Pull Requests Activity
BangleApps/apps/solarclock/solar_clock.js

511 lines
15 KiB
JavaScript
Raw Blame History

const DateUtils = require("solar_date_utils.js");
const Math2 = require("solar_math_utils.js");
const GraphicUtils = require("solar_graphic_utils.js");
const Colors = require("solar_colors.js");
const LocationUtils = require("solar_location.js");
var screen_info = {
screen_width : g.getWidth(),
screen_start_x : 0,
screen_centre_x: g.getWidth()/2,
screen_height : (g.getHeight()-100),
screen_start_y : 100,
screen_centre_y : 90 + (g.getHeight()-100)/2,
screen_bg_color : Colors.BLACK,
sun_radius: 8,
sun_x : null,
sun_y : null,
sunrise_y : null,
}
const img_width=40;
const img_height=30;
var img_buffer = Graphics.createArrayBuffer(img_width,img_height,8);
var img = {width:img_width,height:img_height,bpp:8,transparent:0,buffer:img_buffer.buffer};
var img_info = {
x: null,
y: null,
img: img,
img_buffer: img_buffer
}
const COSINE_COLOUR= Colors.GREY;
const HORIZON_COLOUR = Colors.GREY;
const SolarController = require("solar_controller.js");
var controller = new SolarController();
var curr_mode = null;
var last_sun_draw_time = null;
var draw_full_cosine = true;
function draw_sun(now, day_info) {
var now_fraction = (now.getTime() - day_info.day_start.getTime())/DateUtils.DAY_MILLIS;
var now_x = now_fraction * screen_info.screen_width;
if(screen_info.sun_x != null && Math.abs(now_x- screen_info.sun_x) < 1){
console.log("no sun movement");
return false;
}
// now calculate thew new sun coordinates
var now_radians = Math2.TWO_PI *(now_x - screen_info.screen_centre_x)/screen_info.screen_width;
var now_y = screen_info.screen_centre_y - (screen_info.screen_height * Math.cos(now_radians) / 2);
if(Math.abs(now_x - screen_info.sun_x) > 5){
clear_sun();
}
// update the screen info with the new sun info
screen_info.sun_x = now_x;
screen_info.sun_y = now_y;
last_sun_draw_time = now;
if(draw_full_cosine){
//console.log("drawing full cosine");
GraphicUtils.draw_cosine(screen_info.screen_start_x,
screen_info.screen_width,
COSINE_COLOUR,
screen_info);
draw_full_cosine = false;
}
if(curr_mode == null) {
GraphicUtils.draw_sunrise_line(HORIZON_COLOUR, day_info, screen_info);
}
// decide on the new sun drawing mode and draw
curr_mode = controller.mode(now,day_info,screen_info);
img_info.img_buffer.clear();
img_info.img_buffer.setColor(screen_info.screen_bg_color[0],
screen_info.screen_bg_color[1],
screen_info.screen_bg_color[2],
);
img_info.img_buffer.fillRect(0,0,img_width, img_height);
img_info.x = screen_info.sun_x - img_info.img.width/2;
img_info.y = screen_info.sun_y - img_info.img.height/2;
var cosine_dist = screen_info.sun_radius/Math.sqrt(2);
GraphicUtils.draw_cosine(img_info.x,
screen_info.sun_x - cosine_dist,
COSINE_COLOUR,
screen_info,
img_info);
GraphicUtils.draw_cosine(screen_info.sun_x + cosine_dist,
screen_info.sun_x + img_width,
COSINE_COLOUR,
screen_info,
img_info);
curr_mode.draw(now,day_info,screen_info,img_info);
var sunrise_dist = Math.abs(screen_info.sunrise_y-screen_info.sun_y);
if( sunrise_dist <= img_height) {
GraphicUtils.draw_sunrise_line(HORIZON_COLOUR, day_info, screen_info,img_info);
} else if(sunrise_dist <= img_height*2.5) {
GraphicUtils.draw_sunrise_line(HORIZON_COLOUR, day_info, screen_info);
}
// we draw a blank where the image is going to be drawn to clear out the area
g.setColor(screen_info.screen_bg_color[0],screen_info.screen_bg_color[1],screen_info.screen_bg_color[2]);
g.fillRect(img_info.x,img_info.y-2,img_info.x+img_width,img_info.y + img_height + 2);
g.drawImage(img,img_info.x,img_info.y);
// paint the cosine curve back to the normal color where it just came from
GraphicUtils.draw_cosine(img_info.x - 3,
img_info.x,
COSINE_COLOUR,
screen_info);
GraphicUtils.draw_cosine(img_info.x + img_width,
img_info.x + img_width + 3,
COSINE_COLOUR,
screen_info);
return true;
}
function clear_sun(){
g.setColor(screen_info.screen_bg_color[0],screen_info.screen_bg_color[1],screen_info.screen_bg_color[2]);
g.fillRect(img_info.x,img_info.y,img_info.x+img_width,img_info.y + img_width);
GraphicUtils.draw_cosine(img_info.x - 4,
img_info.x + img_width + 4,
COSINE_COLOUR,
screen_info);
GraphicUtils.draw_sunrise_line(HORIZON_COLOUR, day_info, screen_info);
screen_info.sun_x = null;
screen_info.sun_y = null;
}
var last_time = null;
var last_offset = null;
var last_date = null;
const time_color = Colors.WHITE;
const date_color = Colors.YELLOW;
const DATE_Y_COORD = 35;
const DATE_X_COORD = 5;
const TIME_X_COORD = 140;
const TIME_Y_COORD = 35;
const OFFSET_Y_COORD = 70;
const LOCATION_Y_COORD = 55;
function write_date(now){
var new_date = require('locale').dow(now,1) + " " + Math2.format00(now.getDate());
//console.log("writing date:" + new_date)
g.setFont("Vector",15);
g.setFontAlign(-1,-1,0);
if(last_date != null){
if(new_date == last_date){
return;
}
g.setColor(screen_info.screen_bg_color[0],
screen_info.screen_bg_color[1],
screen_info.screen_bg_color[2]);
g.drawString(last_date, DATE_X_COORD,DATE_Y_COORD);
}
g.setColor(date_color[0],date_color[1],date_color[2]);
g.drawString(new_date, DATE_X_COORD,DATE_Y_COORD);
last_date = new_date;
}
var last_status_msg = ""
var last_gps_coords_msg_n = "";
var last_gps_coords_msg_e = "";
const GPS_MSG_X_COORD = 65;
const GPS_MSG_Y = 220;
const GPS_MSG_COORDS_Y_E = 90;
const GPS_MSG_COORDS_Y_N = 105;
function write_GPS_status(){
var gps_coords = location.getCoordinates();
var gps_coords_msg_n;
var gps_coords_msg_e;
if(gps_coords != null){
gps_coords_msg_n = "N:" + Math2.format000_00(gps_coords[1]);
gps_coords_msg_e = "E:" + Math2.format000_00(gps_coords[0]);
} else {
gps_coords_msg_n = "";
gps_coords_msg_e = "";
}
var status_msg = "";
if(location.isGPSLocation()) {
if(gps_coords == null) {
if (location.getGPSPower() > 0) {
status_msg = "Finding GPS Position";
} else {
status_msg = "ERROR GPS Position not found";
}
} else {
if (location.getGPSPower() > 0) {
status_msg = "Updating GPS Position";
}
}
}
g.setFont("Vector",13);
g.setFontAlign(-1,-1,0);
if(last_status_msg != status_msg) {
g.setColor(screen_info.screen_bg_color[0],
screen_info.screen_bg_color[1],
screen_info.screen_bg_color[2]);
g.drawString(last_status_msg, GPS_MSG_X_COORD, GPS_MSG_Y);
g.setColor(Colors.YELLOW[0],Colors.YELLOW[1],Colors.YELLOW[2]);
g.drawString(status_msg, GPS_MSG_X_COORD, GPS_MSG_Y);
last_status_msg = status_msg;
}
if(last_gps_coords_msg_e != gps_coords_msg_e) {
g.setColor(screen_info.screen_bg_color[0],
screen_info.screen_bg_color[1],
screen_info.screen_bg_color[2]);
g.drawString(last_gps_coords_msg_e, DATE_X_COORD, GPS_MSG_COORDS_Y_E);
g.drawString(last_gps_coords_msg_n, DATE_X_COORD, GPS_MSG_COORDS_Y_N);
g.setColor(0.9,0.9,0.9);
g.drawString(gps_coords_msg_e, DATE_X_COORD, GPS_MSG_COORDS_Y_E);
g.drawString(gps_coords_msg_n, DATE_X_COORD, GPS_MSG_COORDS_Y_N);
last_gps_coords_msg_e = gps_coords_msg_e;
last_gps_coords_msg_n = gps_coords_msg_n;
}
}
const TWILIGHT_X_COORD = 200;
const SUNUP_Y_COORD = 90;
const SUNDOWN_Y_COORD = 105;
var last_sunup = "";
var last_sundown = "";
function write_twilight_times(){
var sunup;
var sundown;
if(day_info != null) {
sunup = format_time(day_info.sunrise_date);
sundown = format_time(day_info.sunset_date);
} else {
sunup = "";
sundown = "";
}
g.setFont("Vector",13);
g.setFontAlign(-1,-1,0);
if(last_sunup != "" && last_sunup != sunup){
g.setColor(screen_info.screen_bg_color[0],screen_info.screen_bg_color[1],screen_info.screen_bg_color[2]);
g.drawString(last_sunup, TWILIGHT_X_COORD,SUNUP_Y_COORD);
g.drawString(last_sundown, TWILIGHT_X_COORD,SUNDOWN_Y_COORD);
}
g.setColor(Colors.YELLOW[0],Colors.YELLOW[1],Colors.YELLOW[2]);
g.drawString(sunup, TWILIGHT_X_COORD,SUNUP_Y_COORD);
GraphicUtils.fill_circle_partial_y(TWILIGHT_X_COORD-15,
SUNUP_Y_COORD+7,
7,
SUNUP_Y_COORD+7,
SUNUP_Y_COORD);
g.setColor(1,0.7,0);
g.drawString(sundown, TWILIGHT_X_COORD,SUNDOWN_Y_COORD);
last_sunup = sunup;
last_sundown = sundown;
}
function write_time(now){
var new_time = format_time(now);
g.setFont("Vector",35);
g.setFontAlign(-1,-1,0);
if(last_time != null){
g.setColor(screen_info.screen_bg_color[0],screen_info.screen_bg_color[1],screen_info.screen_bg_color[2]);
g.drawString(last_time, TIME_X_COORD,TIME_Y_COORD);
}
g.setColor(time_color[0],time_color[1],time_color[2]);
g.drawString(new_time, TIME_X_COORD,TIME_Y_COORD);
last_time = new_time;
}
function format_time(now){
var time = new Date(now.getTime() - time_offset);
var hours = time.getHours() % 12;
if(hours < 1){
hours = 12;
}
return Math2.format00(hours) + ":" + Math2.format00(time.getMinutes());
}
function write_offset(){
var new_offset = format_offset();
g.setFont("Vector",15);
g.setFontAlign(-1,-1,0);
if(last_offset != null){
g.setColor(screen_info.screen_bg_color[0],screen_info.screen_bg_color[1],screen_info.screen_bg_color[2]);
g.drawString(last_offset, TIME_X_COORD,OFFSET_Y_COORD);
}
g.setColor(time_color[0],time_color[1],time_color[2]);
g.drawString(new_offset, TIME_X_COORD,OFFSET_Y_COORD);
last_offset = new_offset;
}
function format_offset(){
if(time_offset == 0)
return "";
var hours_offset = Math.abs(time_offset) / DateUtils.HOUR_MILLIS;
var mins_offset = Math.abs(time_offset) / DateUtils.MIN_MILLIS;
var mins_offset_from_hour = mins_offset % 60;
//console.log("mins offset=" + mins_offset + " mins_offset_from_hour=" + mins_offset_from_hour);
var sign = "+";
if(time_offset < 0)
sign = "-";
return sign + Math2.format00(hours_offset) + ":" + Math2.format00(mins_offset_from_hour);
}
let time_offset = 0;
let last_draw_time = null;
var day_info = null;
var location = LocationUtils.load_locations();
var last_location_name = null;
function write_location_name() {
var new_location_name = location.getName();
g.setFont("Vector", 20);
g.setFontAlign(-1, -1, 0);
if (last_location_name != null) {
g.setColor(screen_info.screen_bg_color[0], screen_info.screen_bg_color[1], screen_info.screen_bg_color[2]);
g.drawString(last_location_name, DATE_X_COORD, LOCATION_Y_COORD);
}
g.setColor(time_color[0], time_color[1], time_color[2]);
if (new_location_name != "local") {
g.drawString(new_location_name, DATE_X_COORD, LOCATION_Y_COORD);
}
last_location_name = new_location_name;
}
location.addUpdateListener(
(loc)=>{
console.log("location update:" + JSON.stringify(loc));
clear_sun();
GraphicUtils.draw_sunrise_line(screen_info.screen_bg_color, day_info, screen_info);
day_info = null;
screen_info.sunrise_y = null;
curr_mode = null;
draw_clock();
write_location_name();
write_GPS_status();
write_twilight_times();
}
);
function dayInfo(now) {
if (day_info == null || now > day_info.day_end) {
var coords = location.getCoordinates();
if(coords != null) {
day_info = DateUtils.sunrise_sunset(now, coords[0], coords[1], location.getUTCOffset());
//console.log("day info:" + JSON.stringify(day_info));
} else {
day_info = null;
}
}
return day_info;
}
function time_now() {
var timezone_offset_hours = location.getUTCOffset();
if(timezone_offset_hours != null) {
var local_offset_hours = -new Date().getTimezoneOffset()/60;
var timezone_offset_millis =
(timezone_offset_hours - local_offset_hours) * DateUtils.HOUR_MILLIS;
return new Date(Date.now() + time_offset + timezone_offset_millis);
} else {
return new Date(Date.now() + time_offset);
}
}
function draw_clock(){
var start_time = Date.now();
var now = time_now();
var day_info = dayInfo(now);
if(day_info != null) {
draw_sun(now, day_info);
}
write_time(now);
write_date(now);
write_offset();
if(last_location_name == "")
write_location_name();
if(last_gps_coords_msg_n == "")
write_GPS_status();
if(last_sunup == "")
write_twilight_times();
last_draw_time = now;
log_memory_used();
var time_taken = Date.now() - start_time;
console.log("drawing clock:" + now.toISOString() + " time taken:" + time_taken );
}
function log_memory_used() {
var memory = process.memory();
console.log("memory used:" + memory.usage +
" total:" + memory.total + "->" +
" ->" + memory.usage/memory.total
);
}
function button1pressed(){
console.log("button 1 pressed");
time_offset = 0;
clear_sun();
day_info = null;
draw_clock();
}
function button3pressed(){
console.log("button 3 pressed");
time_offset = 0;
location.nextLocation();
}
function button4pressed(){
time_offset -= DateUtils.HOUR_MILLIS/4;
draw_clock();
setTimeout(()=>{
if(BTN4.read()){
button4pressed();
}
},
50
)
}
function button5pressed(){
time_offset += DateUtils.HOUR_MILLIS/4;
draw_clock();
setTimeout(()=>{
if(BTN5.read()){
button5pressed();
}
},
50
)
}
// The interval reference for updating the clock
let interval_ref = null;
function clear_timers(){
if(interval_ref != null) {
clearInterval(interval_ref);
interval_ref = null;
}
}
function start_timers(){
var date = new Date();
var secs = date.getSeconds();
var nextMinuteStart = 60 - secs;
setTimeout(schedule_draw_clock,nextMinuteStart * 1000);
draw_clock();
}
function schedule_draw_clock(){
clear_timers();
if (Bangle.isLCDOn()) {
interval_ref = setInterval(() => {
if (!Bangle.isLCDOn()) {
console.log("draw clock callback - skipped redraw");
} else {
draw_clock();
}
}, DateUtils.MIN_MILLIS
);
draw_clock();
} else {
console.log("scheduleDrawClock - skipped not visible");
}
}
Bangle.on('lcdPower', (on) => {
if (on) {
console.log("lcdPower: on");
draw_clock();
start_timers();
} else {
console.log("lcdPower: off");
clear_timers();
}
});
Bangle.on('faceUp',function(up){
if (up && !Bangle.isLCDOn()) {
clear_timers();
Bangle.setLCDPower(true);
}
});
g.clear();
Bangle.loadWidgets();
Bangle.drawWidgets();
start_timers();
function button2pressed(){
controller = null;
location.shutdown();
location = null;
Bangle.showLauncher();
}
setWatch(button2pressed, BTN2,{repeat:false,edge:"falling"});
setWatch(button1pressed, BTN1,{repeat:true,edge:"falling"});
setWatch(button3pressed, BTN3,{repeat:true,edge:"falling"});
setWatch(button4pressed, BTN4,{repeat:true,edge:"rising"});
setWatch(button5pressed, BTN5,{repeat:true,edge:"rising"});
View Git Blame Copy Permalink