变量未定义问题,openmv中如何定义变量?
-
import sensor, image, time, math from pyb import UART import json sensor.reset() sensor.set_pixformat(sensor.RGB565) sensor.set_framesize(sensor.QVGA) sensor.skip_frames(time = 2000) 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() uart = UART(3,115200) #定义串口3变量 def find_max(blobs): #定义寻找色块面积最大的函数 max_size=0 for blob in blobs: if blob.pixels() > max_size: max_blob=blob max_size = blob.pixels() return max_blob #################################### # #此为颜色处理代码 # ################################### #bytearray为可变序列的字节数组 返回一个新的字节数组(将数据转为16进制) img_data = bytearray([0x2C,18,X_black_Sign,Y_black_Sign,X_black_relative_displacement,Y_black_relative_displacement, X_red_Sign,Y_red_Sign,X_red_relative_displacement,Y_red_relative_displacement,X_yellow_Sign, Y_yellow_Sign,X_yellow_relative_displacement,Y_yellow_relative_displacement, L_black,L_red,L_yellow,0x5B]) uart.write(img_data)
请在这里粘贴代码
-
,X_black_Sign,Y_black_Sign,X_black_relative_displacement,Y_black_relative_displacement, X_red_Sign,Y_red_Sign,X_red_relative_displacement,Y_red_relative_displacement,X_yellow_Sign, Y_yellow_Sign,X_yellow_relative_displacement,Y_yellow_relative_displacement, L_black,L_red,L_yellow
这些变量都哪来的啊?