openmv 与arduino 第一次通信_openmv 与arduino使用json通信

openmv 与 arduino 第一次 通信成功
几个笔记

mv代码
···

import sensor, image, time
import json
from pyb import UART


sensor.reset() # Initialize the camera sensor.
sensor.set_pixformat(sensor.RGB565) # use RGB565.
sensor.set_framesize(sensor.QQVGA) # use QQVGA for speed.
sensor.skip_frames(10) # Let new settings take affect.
sensor.set_auto_whitebal(False) # turn this off.
clock = time.clock() # Tracks FPS.

uart = UART(3, 9600)

while(True):
   clock.tick() # Track elapsed milliseconds between snapshots().
   img = sensor.snapshot() # Take a picture and return the image.
   img.lens_corr(1.5)
   for code in img.find_qrcodes():
       message = code.payload()
       uart.write(message)
       print(code)
   else:
       print("not found!")
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arduino代码

#include <SoftwareSerial.h>
SoftwareSerial mySerial(10,11);//RX=2,TX=3 

void setup() 
{
  
//硬件串口波特率
Serial.begin(9600);
//软件串口波特率
mySerial.begin(9600);
pinMode(7, OUTPUT); 
} 
void loop()
{ 
  
//如果硬件串口有数据
if(Serial.available())
{
//从硬件串口读出一字节，写入软件串口
mySerial.write(Serial.read());

if(Serial.read()==123)
{
digitalWrite(7, HIGH);
}
}
//如果软件串口有数据
if(mySerial.available())
{
//从软件串口读出一字节，写入硬件串口
Serial.write(mySerial.read());
}

}
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