RP2040还能制作温度计？2022年寒假在家练RP2040游戏机项目分享（六）

import math
  def fill_circle(self, x, y, radius, color):        """        Draw a circle at the given location, size and filled with color.
        Args:            x (int): Center x coordinate            y (int): Center y coordinate            radius (int): Radius in pixels            color (int): 565 encoded color        """        ii = radius        while ii >= -radius :            delta_x = int(math.sqrt(radius**2 - ii**2))            self.hline(x-delta_x, y+ii, delta_x*2, color)            ii=ii-1

image_file0 = "/back.bin" #图片文件地址image_file1 = "/logo.bin"
ther_x = 113ther_y = 160slider_x = 110slider_y = 217ther_color = st7789.GREENthreshold = 40threshold_temp = 40
st7789_res = 0st7789_dc  = 1disp_width = 240disp_height = 240CENTER_Y = int(disp_width/2)CENTER_X = int(disp_height/2)

spi_sck=machine.Pin(2)spi_tx=machine.Pin(3)spi0=machine.SPI(0,baudrate=4000000, phase=1, polarity=1, sck=spi_sck, mosi=spi_tx)print(spi0)display = st7789.ST7789(spi0, disp_width, disp_width,                          reset=machine.Pin(st7789_res, machine.Pin.OUT),                          dc=machine.Pin(st7789_dc, machine.Pin.OUT),                          xstart=0, ystart=0, rotation=0)
Joy_x = machine.ADC(29)Joy_y = machine.ADC(28)buttonB = machine.Pin(5,machine.Pin.IN, machine.Pin.PULL_UP) #BbuttonA = machine.Pin(6,machine.Pin.IN, machine.Pin.PULL_UP) #ABuzz = machine.PWM(machine.Pin(23))
SensorTemp = machine.ADC(4)offset = 3.3/65535

display.fill(st7789.BLACK)display.text(font2, "Hello! RPi Pico", 10, 10)display.text(font2, "HGF", 10, 40)display.text(font2, "MicroPython", 35, 100)display.text(font2, "EETREE", 35, 150)display.text(font2, "www.eetree.cn", 30, 200)utime.sleep(1)
f_image = open(image_file1, 'rb')for column in range(1,240):                buf=f_image.read(480)                display.blit_buffer(buf, 1, column, 240, 1)utime.sleep(1)

f_image = open(image_file0, 'rb')for column in range(1,240):                buf=f_image.read(480)                display.blit_buffer(buf, 1, column, 240, 1)                display.hline(30, 222, 180, st7789.BLACK)display.text(font1, "Temp:", 10, 60, st7789.BLACK, st7789.WHITE)display.text(font1, "Thre:", 10, 100, st7789.BLACK, st7789.WHITE)display.fill_rect(slider_x, slider_y, 10, 10, st7789.BLACK)display.text(font1, str(threshold_temp), 52, 100, st7789.BLACK, st7789.WHITE)

    display.fill_circle(121,170,18,ther_color)    temperature = round(27 - (SensorTemp.read_u16()*offset - 0.706)/0.001721,2)    print(temperature)    display.text(font1, str(temperature)+'  ', 52, 60, st7789.BLACK, st7789.WHITE)
    if temperature >= threshold :        ther_color = st7789.RED        Buzz.freq(500)        Buzz.duty_u16(500)    elif temperature <= threshold-1 :                ther_color = st7789.GREEN        Buzz.deinit()            ther_y = int(153 - temperature*1.53)    display.fill_rect(ther_x, 30, 17, ther_y-30, st7789.WHITE)    display.fill_rect(ther_x, ther_y, 17, int(temperature*1.7), ther_color) 

    if buttonA.value() == 0 :        utime.sleep(0.05)        while buttonA.value() == 0 :            threshold_temp = int( 40+(Joy_x.read_u16()-32768)/830)            print(threshold_temp)            display.fill_rect(slider_x, slider_y, 10, 10, st7789.WHITE)            display.hline(slider_x, 222, 10, st7789.BLACK)            slider_x = 38+int(threshold_temp*2)            display.fill_rect(slider_x, slider_y, 10, 10, st7789.BLACK)            display.text(font1, str(threshold_temp)+' ', 52, 100, st7789.BLACK, st7789.WHITE)    else :        threshold = threshold_temp

END

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