pxt-calliope/tests/wg-right-sugar.ts

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let sugarThreshold: number
let ketoneThreshold: number
// Important parameters
sugarThreshold = 14
ketoneThreshold = 6
while (true) {
// splash screen sugar cube (just the right sugar)
basic.showAnimation(`
# # # . . . . . . . . . . . . . . . . .
# # # . . . # # # . . . . . . . . . . .
# # # . . . # # # . . . # # # . . # # #
. . . . . . # # # . . . # # # . . # # #
. . . . . . . . . . . . # # # . . # # #
`, 400)
// ask questions and give advice
quiz()
// wait for button press before restart
waitAnyButton()
}
function getSugar(): string {
waitNoButtons()
let selection = "MID"
while (!input.buttonIsPressed(Button.B)) {
// high, low, normal?
basic.showAnimation(`
. . . . . # . # . . . . # . .
. # # # . # . # . . . # . # .
. # # # . # . # # # . . . # .
. # # # . # . . # . . . # . .
. . . . . # . . # . . . # . .
`, 400)
// show low, mid, or high as a bar
selection = getLowMidHigh(selection)
}
return selection
}
function getKetone(): string {
waitNoButtons()
let selection = "MID"
while (!input.buttonIsPressed(Button.B)) {
// high, low, normal?
basic.showAnimation(`
. . . . . . . . # . . . # . .
# # . . . . . # . . . # . # .
# # # # # . . # # . . . . # .
# # . . # . . # . # . . # . .
. . . . . # . . # . . . # . .
`, 400)
// show low, mid, or high as a bar
selection = getLowMidHigh(selection)
}
return selection
}
function getIll(): boolean {
waitNoButtons()
let selection = false
while (!input.buttonIsPressed(Button.B)) {
// ask question 'happy or sad'
basic.showAnimation(`
. . . . . . . . . . . . # . . . . # . .
. # . # . . # . # . . # . # . . # . # .
. . . . . . . . . . . . . # . . . . # .
# . . . # . # # # . . . # . . . . # . .
. # # # . # . . . # . . # . . . . # . .
`, 400)
// get answer from user
selection = getHappySad(selection)
}
// if we are happy, we are not ill
return !selection
}
function getLowMidHigh(selection: string): string {
let timeout = 2000
let timer = input.runningTime()
while (true) {
// show the present level as a line
if (selection == "LOW") {
basic.showLeds(`
. . . . .
. . . . .
. . . . .
. . . . .
# # # # #
`)
} else if (selection == "HIGH") {
basic.showLeds(`
# # # # #
. . . . .
. . . . .
. . . . .
. . . . .
`)
} else {
basic.showLeds(`
. . . . .
. . . . .
# # # # #
. . . . .
. . . . .
`)
}
// process any user input
if (input.buttonIsPressed(Button.A)) {
// cycle round the 3 possible levels
if (selection == "LOW") {
selection = "MID"
} else if (selection == "MID") {
selection = "HIGH"
} else {
selection = "LOW"
}
// This is the 'hold repeat' time if you hold the A button
basic.pause(300)
// restart timer, 2 seconds of inactivity before return to main
timer = input.runningTime()
} else if (input.buttonIsPressed(Button.B)) {
// user is selecting so better return quickly
return selection
} else if (input.runningTime() > timer + timeout) {
// timeout, so return to main to re-prompt user
return selection
} else {
// This slows the loop down to stop the emulator being busy
// and also preserves battery life on the micro:bit
// it also affects the worst case response time
// it also affects the response time
basic.pause(100)
}
}
}
/**
* Wait for all buttons to be released
* This prevents spurious selection in next question
*/
function waitNoButtons() {
while (input.buttonIsPressed(Button.A) || input.buttonIsPressed(Button.B)) {
basic.pause(100)
}
}
function getHappySad(selection: boolean): boolean {
let timeout = 2000
let timer = input.runningTime()
while (!input.buttonIsPressed(Button.B)) {
// Show present selection
if (selection) {
basic.showLeds(`
. . . . .
. # . # .
. . . . .
# . . . #
. # # # .
`)
} else {
basic.showLeds(`
. . . . .
. # . # .
. . . . .
. # # # .
# . . . #
`)
}
// Wait for any change in the selection
if (input.buttonIsPressed(Button.A)) {
selection = !selection
// This is the repeat time if button A held down
basic.pause(500)
timer = input.runningTime()
} else if (input.runningTime() > timer + timeout) {
return selection
} else {
// Preserve battery life on micro:bit and prevent emulator being busy
// This is also the response time to a button press
basic.pause(100)
}
}
return selection
}
/**
* Button A changes value, Button B selects value
*/
function quiz() {
let sugar = getSugar()
if (sugar != "HIGH") {
// All is ok (tick)
basic.showAnimation(`
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . #
. . . . . . . . . . . . . . . . . . # . . . . # .
# . . . . # . . . . # . # . . # . # . . # . # . .
. . . . . . # . . . . # . . . . # . . . . # . . .
`, 400)
} else {
// Button A changes value, Button B selects value
let ketone = getKetone()
if (ketone != "HIGH") {
// Button A changes value, Button B selects value
let ill = getIll()
if (!ill) {
// Time to rest (jump into bed)
basic.showAnimation(`
. . . . . # # . . . . # . . . . # . . . . . . # . . . . . .
. . . . # . . . . # # # . . # . # . . # . . # . # . . . . #
. . . . # . . . . # . . . . # # # . . # # # . . # # # # # #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# . . . # # . . . # # . . . # # . . . # # . . . # # . . . #
`, 400)
} else {
// Test more often (clock shows 2 hour interval)
basic.showAnimation(`
. . # . . . . . . . . . . . . . . . . . . # # . . . . . . . . # # . . . . . . . . # # . .
. . # . . . . . . . . . . . . . . . . . . . . # . . . . . . . . . # . . . . . . . . . # .
. . # . . . . # # # . . # . . # # # . . . . # . . . . . . . . . # . . . . . . . . . # . .
. . . . . . . . . . . . # . . . . . . . . # . . . . . . . . . # . . . . . . . . . # . . .
. . . . . . . . . . . . # . . . . . . . . # # # . . . . . . . # # # . . . . . . . # # # .
`, 400)
}
} else {
// Get some help (call the diabetes care team on the phone)
basic.showAnimation(`
. . . . . . . . . . # # # # # # # . . . # # . . . # # . . . # # . . . # # # . . # # . # . # # . . #
. . . . . # # # # # # . . . # # . . . . # . . . . # . . . . # . . . . # . . . . # . . . . # . . . .
# # # # # # . . . # . . . . . # . . . . # . . . . # . . . . # . . . . # . . . . # . . . . # . . . .
# . # . # . . # . . . . # . . # . . . . # . . . . # . . . . # . . . . # . . . . # . . . . # . . . .
. # # # . . # # # . . # # # . # # . . . # # . . # # # . # . # # # . . # # . . . # # . . . # # . . .
`, 400)
}
}
}
function waitAnyButton() {
while (!input.buttonIsPressed(Button.A) && !input.buttonIsPressed(Button.B)) {
basic.pause(100)
}
}