hn3i 发布的帖子

c=1
while c<=6:
    #print(type(s))
    a=s.replace('+','')
    #print(a)
    if c==1:
        num=a[0]
        print(num)
    if c==2:
        num=a[1]
        print(num)
    if c==3:
        num=a[2]
        print(num)
    if c==4:
        num=a[3]
        print(num)
    if c==5:
        num=a[4]
        print(num)
    if c==6:
        num=a[5]
        print(num)

    clock = time.clock()
    img = sensor.snapshot().lens_corr(1.8)
    blobs = img.find_blobs([red_threshold_01], pixels_threshold=100, area_threshold=100, merge=True, margin=10);
    blobs1 = img.find_blobs([green_threshold_01], pixels_threshold=100, area_threshold=100, merge=True, margin=10);
    blobs2 = img.find_blobs([blue_threshold_01], pixels_threshold=100, area_threshold=100, merge=True, margin=10);
    cx=0;cy=0;cx1=0;cy1=0;cx2=0;cy2=0;

    for R in img.find_rects(threshold = 10000):
        for p in R.corners(): img.draw_circle(p[0], p[1], 5, color = (0, 255, 0))
        area = (R.x(),R.y(),R.w(),R.h())
        statistics = img.get_statistics(roi=area)#像素颜色统计
        #print(statistics)
        if num=='1':   #red
            while(1):
                print('red')
                if 0<statistics.l_mode()<100 and 7<statistics.a_mode()<127 and -128<statistics.b_mode()<127:#若矩形是红色
                    img.draw_rectangle(R.x(), R.y(), R.w(),R.h(), color = (255, 0, 0))
                    if blobs:             #定位
                        #如果找到了目标颜色
                        for blob in blobs:
                            img.draw_cross(blob[5], blob[6]) # cx, cy
                            img.draw_cross(160, 120) # 在中心点画标记
                        #在目标颜色区域的中心画十字形标记
                            cx=blob[5];
                            cy=blob[6];
                            img.draw_line((160,120,cx,cy), color=(127));
                            img.draw_string(cx, cy, "(%d, %d)"%(cx,cy), color=(127));
                            word=print(cx,cy)
                            #uart.write(cx,cy)
                            word_0='word'
                            time.sleep_ms(5000)