主界面:
*代码
def getData(evt):getDataBtn = evt.get_code() if getDataBtn == lv.EVENT.CLICKED:uart1 = UART(UART.UART2,9600, 8, 0, 1, 0)uart1.write("\x03\x03\x00\x40\x00\x04""44\x3F")time.sleep(1)arr = uart1.read(13)for i in arr:print(((hex(int(i))).upper()[2:]),end=' ')zhuodu = int(str((hex(int(arr[3]))).upper()[2:])+str((hex(int(arr[4]))).upper()[2:])+str((hex(int(arr[5]))).upper()[2:])+str((hex(int(arr[6]))).upper()[2:]),16)zengyi = int(str((hex(int(arr[7]))).upper()[2:])+str((hex(int(arr[8]))).upper()[2:])+str((hex(int(arr[9]))).upper()[2:])+str((hex(int(arr[10]))).upper()[2:]),16)print(zhuodu)label.set_text(str(zhuodu/1000))arc.set_value(int(zhuodu/10))print(zengyi)label3.set_text(str(zengyi))arc1.set_value(int(zengyi/1000))uart1.close()time.sleep(1)
def event_cb(evt):arc = evt.get_target()current_value = '{:.2f}'.format(float(arc.get_value())/100)print(current_value)label.set_text(str(current_value))def event_cb1(evt):arc1 = evt.get_target()current_value = arc1.get_value()label3.set_text(str(current_value))mainInterface = lv.obj() #主界面
mainInterface.set_size(480,854)label = lv.label(mainInterface)
label.set_long_mode(lv.label.LONG.WRAP)
label.set_recolor(True)
label.set_text("#0000ff 远# #ff00ff 感#")self_myfont_cn = lv.font_load("U:/alibabapuhuiti-20.bin") #文字设置
mainInterface.set_style_text_font(self_myfont_cn, 0)label.set_width(150)
label.set_style_text_align(lv.ALIGN.CENTER,0)
label.align(lv.ALIGN.TOP_LEFT,20,10)btn = lv.btn(mainInterface)
btn.align(lv.ALIGN.TOP_LEFT,20,30)
labelbtn = lv.label(btn)
labelbtn.set_text('端口设置')btn.add_event_cb(event_handler,lv.EVENT.ALL,None)arc = lv.arc(mainInterface)
arc.set_end_angle(200)
arc.set_size(150,150)
arc.align(lv.ALIGN.CENTER,-120,0)
arc.add_event_cb(event_cb, lv.EVENT.VALUE_CHANGED, None)
arc.set_range(0,3000)
label = lv.label(arc)
label.set_text("0%")label2 = lv.label(mainInterface)
label2.align(lv.ALIGN.CENTER,-120,0)
label2.set_text("平均浊度值")arc1 = lv.arc(mainInterface)
arc1.set_size(150,150)
arc1.align(lv.ALIGN.CENTER,120,0)
arc1.add_event_cb(event_cb1, lv.EVENT.VALUE_CHANGED, None)
arc1.set_range(0,200000)
label3 = lv.label(arc1)
label3.set_text("0%")label4 = lv.label(mainInterface)
label4.align(lv.ALIGN.CENTER,120,0)
label4.set_text("平均增益值")getDataBtn = lv.btn(mainInterface) #获取数据按钮
getDataBtn.align(lv.ALIGN.BOTTOM_MID,0,-40)
getDataBtnLabel = lv.label(getDataBtn)
getDataBtnLabel.set_text('获取数据')
getDataBtn.add_event_cb(getData,lv.EVENT.ALL, None)
