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2. Firmware & Program 2.0
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Unit PoESP32
Example
The serial port writes to receive data
from m5stack import *
from m5stack_ui import *
from uiflow import *
import unit
screen = M5Screen()
screen.clean_screen()
screen.set_screen_bg_color(0xFFFFFF)
RS485_0 = unit.get(unit.RS485, unit.PORTC)
RS485_0.init(1, baudrate=9600, data_bits=8, stop_bits=1, parity=None, ctrl_pin=None)
while True:
RS485_0.write('hello'+"\r\n")
print((str('data:') + str((RS485_0.read()))))
wait_ms(2)API
poesp32_0.create_mqtt_client('', 1883, '', '', '')- MQTT Initialization
poesp32_0.uart_port_id(1)- Set Core UART ID
print(poesp32_0.isConnect_ETH())- Check Ethernet Connection Status
print(poesp32_0.check_uart())- Get Device Status
print((str('status:') + str((poesp32_0.create_tcp_client('', 0)))))- Get TCP Connection Status
print((str('mqtt:') + str((poesp32_0.publish_mqtt_msg('', '', 0))))) - Get MQTT Publish Status
def poesp32_WrCiScb(value):
global poesp32_mqtt_value1
poesp32_mqtt_value1 = value
pass
poesp32_0.receive_mqtt_msg(poesp32_WrCiScb)- Receive Message
print((str('mqtt:') + str((poesp32_0.subscribe_mqtt('', 0)))))- Subscribe to Topic
print((str('mqtt:') + str((poesp32_0.unsubscribe_mqtt('')))))- Get Unsubscribe Status
def poesp32_dFAnAcb(value):
global poesp32_tcp_value1
poesp32_tcp_value1 = value
pass
poesp32_0.receive_tcp_packet(poesp32_dFAnAcb)- Receive TCP Packet
print(poesp32_0.send_tcp_packet('12345'))- Send TCP Packet