谁来救救孩子!!!急
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openmv H7 plus如何翻转外接显示屏,目前lcd屏上显示的图像是倒过来的
import sensor, image, time, math,display from pyb import UART #相关变量的初始化 GRAYSCALE_THRESHOLD = [(0, 40)] ROIS = [ (0, 100, 160, 20, 0.8), (0, 050, 160, 20, 0.3), (0, 000, 160, 20, 0.1) ] weight_sum = 0 for r in ROIS: weight_sum += r[4] #滤波相关变量初始化 direction_history=[] filter_size=20 #相机初始化 sensor.reset() sensor.set_pixformat(sensor.GRAYSCALE) sensor.set_framesize(sensor.QQVGA) sensor.skip_frames(30) sensor.set_auto_gain(False) sensor.set_auto_whitebal(False) sensor.set_vflip(True) sensor.set_hmirror(True) clock = time.clock() uart=UART(3,115200) uart.init(115200,bits=8,parity=None,stop=1) #lcdc初始化 lcd = display.SPIDisplay() while(True): sensor.set_vflip(True) clock.tick() img = sensor.snapshot() centroid_sum = 0 #首先寻找对应颜色阈值的色块 for r in ROIS: blobs = img.find_blobs(GRAYSCALE_THRESHOLD, roi=r[0:4], merge=True) if blobs: most_pixels = 0 largest_blob = 0 #找到色块后遍历该色块,以找到其中像素最多的一个点,作为绘制线框的中心点 for i in range(len(blobs)): if blobs[i].pixels() > most_pixels: most_pixels = blobs[i].pixels() largest_blob = i #绘制矩形线框 img.draw_rectangle(blobs[largest_blob].rect()) img.draw_cross(blobs[largest_blob].cx(), blobs[largest_blob].cy()) centroid_sum += blobs[largest_blob].cx() * r[4] center_pos = (centroid_sum / weight_sum) #lcd初始化 lcd.write(sensor.snapshot()) #角度相关计算 deflection_angle = 0 direction_send = 0 direction_judge = 0 #计算偏离中心的角度,对其求反正切即可得到偏转角 deflection_angle = -math.atan((center_pos-80)/60) deflection_angle = math.degrees(deflection_angle) #角度滤波 direction_history.append(deflection_angle) if len(direction_history)>filter_size: direction_history.pop(0) #偏转角和偏转方向相关计算 avg_deflection_angle=sum(direction_history)/len(direction_history) direction_judge=avg_deflection_angle deflection_angle=abs(avg_deflection_angle) #判断偏转方向 if direction_judge > 10: direction_send=1 elif direction_judge< -10: direction_send=2 else: direction_send=0 #串口发送和打印相关变量 send_data=bytearray([0x2C,0x12,direction_send,int(deflection_angle),0x5B]) uart.write(send_data) print("Turn Angle:",int(deflection_angle) ,"Direction:",direction_send) print(clock.fps())
添加了senor.set_vflip(True)也没有反应。
目前屏幕在lcd上也不是竖屏显示,而是横屏显示。