def init_oled():
lcd.init_i2c(22, 21, 128, 64)
lcd.set_font(font.font16, 16)
lcd.set_font(font.font32, 32)
lcd.text_cn('系统启动中', 0, 25, 16)
lcd.text('...', 80, 25, 16)
lcd.show()
def app():
"""业务程序.每分钟获取ntp时间和温度值"""
global pipe
# 连接物联网
fail_num = 0
while True:
if fail_num >= 10:
print('connect too many.reset!')
machine.reset()
if not tziot.is_conn():
fail_num += 1
time.sleep(10)
continue
break
print('connect ok')
lcd.clear()
lcd.text('connect ok', 0, 20, 16)
lcd.show()
# 周期业务
fail_num = 0
run_time = 0
while True:
if fail_num >= 10:
print('fail too many.reset!')
machine.reset()
lcd.clear()
# 获取ntp网络时间
resp, err = tziot.call(pipe, 0x2141000000000004, RID_GET_TIME, 5000, bytearray())
if err != 0:
fail_num += 1
continue
lcd.text(tziot.bytearray_to_str(resp), 0, 0, 8)
# 获取南京室外温度
resp, err = tziot.call(pipe, 0x2141000000010001, RID_GET_TEMP, 5000, bytearray())
if err != 0 or len(resp) != 2:
fail_num += 1
continue
fail_num = 0
temp = (resp[0] << 8) + resp[1]
if temp >= 0x8000:
temp = 0x10000 - temp
temp = temp / 10
lcd.text('%.1f' % temp, 30, 20, 32)
lcd.show()
time.sleep(60)
# 每半小时定时复位
run_time += 60
if run_time >= 1800:
print('reset system!')
machine.reset()
def connect_wifi():
ok = tziot.connect_wifi(WIFI_SSID, WIFI_PWD)
if ok is False:
print('connect wifi failed')
lcd.clear()
lcd.text_cn('连接', 0, 25, 16)
lcd.text('wifi', 32, 25, 16)
lcd.text_cn('失败', 64, 25, 16)
lcd.show()
machine.reset()
print('connect wifi success')
lcd.clear()
lcd.text_cn('连接', 0, 25, 16)
lcd.text('wifi', 32, 25, 16)
lcd.text_cn('成功', 64, 25, 16)
lcd.show()
def detect_key():
global key, rx_text, red_led, blue_led, last_push_time, date_text, outdoor_temp
# 2s之内重复按键无效
t = utime.time()
if t - last_push_time <= 2:
return
last_push_time = t
value = -1
for i in range(6):
if key[i].value() == 0:
value = i
break
if value == -1:
return
print('key push:', value)
# 5号按键是确认键
if value == 5:
rx_text = ''
red_led.value(1)
blue_led.value(1)
beep.value(0)
lcd.clear()
lcd.text(date_text, 0, 0, 8)
lcd.text('%.1f' % outdoor_temp, 30, 20, 32)
lcd.show()
return
red_led.value(1)
blue_led.value(0)
beep.value(0)
rx_text = ''
lcd.clear()
lcd.text_cn('发送中', 0, 25, 16)
lcd.text('...', 48, 25, 16)
lcd.show()
resp, err = tziot.call(pipe, DST_IA, RID_KEY, 5000, bytearray([value]))
blue_led.value(1)
lcd.clear()
if err != 0:
lcd.text_cn('发送失败', 0, 25, 16)
else:
lcd.text_cn('发送成功', 0, 25, 16)
lcd.show()
def init_oled():
lcd.init_i2c(22, 21, 128, 64)
lcd.text('start system', 0, 0, 16)
lcd.text('please wait...', 0, 20, 16)
lcd.show()
def app():
"""业务程序.每分钟获取ntp时间"""
global pipe, red_led, blue_led, beep, is_rx_msg, rx_text, date_text, outdoor_temp
# 连接物联网
fail_num = 0
while True:
if fail_num >= 10:
print('connect too many.reset!')
machine.reset()
if not tziot.is_conn():
fail_num += 1
time.sleep(10)
continue
break
print('connect ok')
# 周期业务
fail_num = 0
run_time = 0
last_get_time = 0
while True:
if fail_num >= 10:
print('fail too many.reset!')
machine.reset()
if is_rx_msg:
is_rx_msg = False
# 亮灯,蜂鸣器鸣叫
red_led.value(0)
beep.value(1)
time.sleep(0.5)
beep.value(0)
time.sleep(0.5)
beep.value(1)
time.sleep(0.5)
beep.value(0)
# 显示文字
lcd.clear()
lcd.text(date_text, 0, 0, 8)
lcd.text_cn(rx_text, 0, 32, 16)
lcd.show()
beep.value(0)
t = utime.time()
if t - last_get_time > 60 and rx_text == '':
last_get_time = t
# 获取ntp网络时间
resp, err = tziot.call(pipe, 0x2141000000000004, RID_GET_TIME, 5000, bytearray())
if err != 0:
fail_num += 1
continue
date_text = tziot.bytearray_to_str(resp)
lcd.clear()
lcd.text(date_text, 0, 0, 8)
# 获取南京室外温度
resp, err = tziot.call(pipe, 0x2141000000010001, RID_GET_TEMP, 5000, bytearray())
if err != 0 or len(resp) != 2:
fail_num += 1
continue
fail_num = 0
outdoor_temp = (resp[0] << 8) + resp[1]
if outdoor_temp >= 0x8000:
outdoor_temp = 0x10000 - outdoor_temp
outdoor_temp = outdoor_temp / 10
lcd.text('%.1f' % outdoor_temp, 30, 20, 32)
lcd.show()
red_led.value(1)
blue_led.value(1)
# 检测按键是否按下
detect_key()
time.sleep(1)
# 每半小时定时复位
run_time += 1
if run_time >= 3600:
print('reset system!')
machine.reset()