串口通信
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import sensor, image, time,struct,pyb sensor.reset() sensor.set_pixformat(sensor.RGB565) sensor.set_framesize(sensor.QVGA) sensor.skip_frames(time = 2000) clock = time.clock() led=pyb.LED(1) led.on() time.sleep(500) led.off() time.sleep(500) led.on() uart = pyb.UART(3, 115200) uart.init(115200, bits=8, parity=None, stop=1) def send_data_packet(x, y): temp = struct.pack("<bbii", 0xAA, 0xAE, int(x), int(y)) uart.write(temp) while(True): clock.tick() img = sensor.snapshot() print(clock.fps()) send_data_packet(0x12,0x13) uart.write('hello world'+'\r\n') print('hello world'+'\r\n')
为什么我这样想试试串口,串口助手收不到数据
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我只用了一根数据线连接openmv跟电脑
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https://singtown.com/learn/50235/
看教程操作,需要TTL转串口模块,或者OpenMV串口调试扩展板。