from machine import Pin, Timer
import time

# 按粉色按鈕可以切換模式 (自動 or 手動) 粉色燈有變化就是成功切換
# 粉色燈為現在的模式 暗：自動 亮：手動
# 按對應顏色按鈕可以切換亮暗(手動)

led_pins = [13, 12, 14]
bnt_pins = [21, 22, 23]
mode_pins = [18, 32]

leds = []
bnts = []
# 燈的持續時間 紅   黃    綠
led_time = [400, 150, 400]

# 針腳設定
for pin in led_pins:
    leds.append(Pin(pin, Pin.OUT))

for pin in bnt_pins:
    bnts.append(Pin(pin, Pin.IN, Pin.PULL_UP))

MODE_LED = Pin(mode_pins[0], Pin.OUT)
changeMODE = Pin(mode_pins[1], Pin.IN, Pin.PULL_UP)

# 0為自動 1為手動
mode = 0
# 第幾個燈
nled = 0
# 是否為自動
auto_ornot = False
# 設定Timer
led_timer = Timer(0)
bnt_check_timer = Timer(1)
# 切換模式按鈕是否被按下
changeMODE_pressed = False

# 初始化按鍵狀態和Timer1
def init(t):
    global changeMODE_pressed
    changeMODE_pressed = False

# 手動
def manual(x):
    global mode, leds, bnts
    if mode:
        for nbnt in range(len(bnts)):
            if bnts[nbnt].value() == 0:
                leds[nbnt].value(1)
            else:
                leds[nbnt].value(0)

# 自動
def auto(x):
    global mode, nled, leds
    leds[nled].value(0)
    nled = (nled + 1) % 3
    leds[nled].value(1)
    if not mode:
        led_timer.init(period = led_time[nled], mode = Timer.ONE_SHOT, callback = auto)
     
# 模式切換
def mode_change(pin):
    global press_count, changeMODE_pressed, mode, auto_ornot
    if changeMODE_pressed == False:
        changeMODE_pressed = True

        # 切換模式
        mode = not mode
        MODE_LED.value(mode)
        if mode:
            for led in leds:
                led.value(0)
            led_timer.deinit()
        else:
            auto_ornot = True            
        if auto_ornot:
            nled = 0
            for led in leds:
                led.value(0)
            leds[nled].value(1)
            led_timer.init(period = led_time[nled], mode = Timer.ONE_SHOT, callback = auto)
            auto_ornot = False

        # 避免Bounce
        if changeMODE_pressed == True:
            bnt_check_timer.init(mode = Timer.ONE_SHOT, period = 100, callback = init)

# 各個按鈕觸發(邊緣下降觸發)
changeMODE.irq(handler = mode_change, trigger = Pin.IRQ_FALLING)
for bnt in bnts:
    bnt.irq(handler = manual, trigger = Pin.IRQ_FALLING)

# 自動模式開始
leds[nled].value(1)
led_timer.init(period = led_time[nled], mode = Timer.ONE_SHOT, callback = auto)