串口通信与STM32单片机之间的通信

[k1h5]

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


sensor.reset()
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QVGA)
sensor.skip_frames(time = 2000)
sensor.skip_frames(10)
sensor.set_auto_gain(False) # must be turned off for color tracking
sensor.set_auto_whitebal(False) # must be turned off for color tracking
clock = time.clock()


#串口初始化
uart = UART(3,115200)  #初始化串口3，波特率115200
uart.init(115200,bits=8,parity=None,stop=1)  #8位数据位  无校验位 1位停止

def sending_data(cx,cy):
    data = ustruct.pack("<bbhhb",
                   0x2C,
                   0x12,
                   int(cx),
                   int(cy),
                   0x3C)
    uart.write(data);

while(True):
    
    sending_data(5,4)
    time.sleep_ms(1000)
    print(55555)

name 'ustruct' isn't defined如何解决

[kidswong999]

你没有import ustruct