MaixPy K210,openmv二维码扫描，颜色识别解决方案.zip

import sensor import image import lcd import utime import time from board import board_info from fpioa_manager import fm from machine import UART from Maix import GPIO lcd.init() sensor.reset() sensor.set_pixformat(sensor.RGB565) sensor.set_framesize(sensor.QVGA) sensor.run(1) fm.register(10, fm.fpioa.UART1_TX, force=True) fm.register(11, fm.fpioa.UART1_RX, force=True) uart_A = UART(UART.UART1, 9600, 8, None, 1, timeout=1000, read_buf_len=4096) fm.register(1,fm.fpioa.GPIOHS1,force=True) fm.register(3,fm.fpioa.GPIOHS3,force=True) fm.register(7,fm.fpioa.GPIOHS7,force=True) DIN=GPIO(GPIO.GPIOHS1, GPIO.OUT) CS =GPIO(GPIO.GPIOHS3, GPIO.OUT) CLK=GPIO(GPIO.GPIOHS7, GPIO.OUT) def MAX7219_WriteByte(data):#这是数码管扫描结果显示用的 CS.value(0) for i in range(8,0,-1): CLK.value(0) DIN.value(data&0x80) data=data<<1 CLK.value(1) def MAX7219_Write(address,data):#这是数码管扫描结果显示用的 CS.value(0) MAX7219_WriteByte(address) MAX7219_WriteByte(data) CS.value(1) red_threshold = (0, 80, 8, 50, 0, 59); green_threshold= (0, 80, -70,-5,-0,30); blue_threshold = (0, 80, -0,30,-70,-5); clock = time.clock() lcd.init() sensor.reset() sensor.set_pixformat(sensor.RGB565) sensor.set_framesize(sensor.QVGA) #sensor.set_vflip(1) #开启图像反转 sensor.set_vflip(0) #关闭图像反转 sensor.run(1) sensor.skip_frames(30) while True: #扫二维码并且显示 clock.tick() img = sensor.snapshot() res = img.find_qrcodes() fps =clock.fps() read_str=uart_A.read() if len(res) > 0: img.draw_string(2,2, res[0].payload(), color=(0,128,0), scale=2) result=res[0].payload() break lcd.display(img) result_2=result.partition('+')#扫描的是123+321，这个函数是把’+‘去了，方便发送 top_floor=int(result_2[0]) bottom_floor=int(result_2[2]) MAX7219_Write(0x09, 0xff)#这是数码管扫描结果显示用的 MAX7219_Write(0x0a, 0x03) MAX7219_Write(0x0b, 0x07) MAX7219_Write(0x0c, 0x01) MAX7219_Write(0x0f, 0x01) time.sleep_ms(1000) MAX7219_Write(0x0f, 0x00) MAX7219_Write(1,int(result[6])) MAX7219_Write(2,int(result[5])) MAX7219_Write(3,int(result[4])) MAX7219_Write(4,0xA) MAX7219_Write(5,3) MAX7219_Write(6,int(result[2])) MAX7219_Write(7,int(result[1])) MAX7219_Write(8,2) top_left="0" top_right="0" bottom_left="0" bottom_right="0" i=20 while i:#颜色识别开始，把一个屏幕分成4份，调整车合适的位置，以便减少扫描点的数量 i=i-1 img=sensor.snapshot() blobs1 = img.find_blobs([red_threshold],pixels_threshold=100, area_threshold=100, merge=True, margin=10) blobs2 = img.find_blobs([green_threshold],pixels_threshold=100, area_threshold=100, merge=True, margin=10) blobs3 = img.find_blobs([blue_threshold],pixels_threshold=100, area_threshold=100, merge=True, margin=10) read_str=uart_A.read() if blobs1: for b in blobs1: if b[6]>0 and b[6]<100:#第一层 if b[5]>0 and b[5]<130: tmp=img.draw_rectangle(b[0:4]) tmp=img.draw_cross(b[5], b[6]) top_left = "1" if b[5]>190 and b[5]<320: tmp=img.draw_rectangle(b[0:4]) tmp=img.draw_cross(b[5], b[6]) top_right = "1" if b[6]>140 and b[6]<240:#第二层 if b[5]>0 and b[5]<130: tmp=img.draw_rectangle(b[0:4]) tmp=img.draw_cross(b[5], b[6]) bottom_left = "1" if b[5]>190 and b[5]<320: tmp=img.draw_rectangle(b[0:4]) tmp=img.draw_cross(b[5], b[6]) bottom_right = "1" if blobs2: for b in blobs2: if b[6]>0 and b[6]<100: if b[5]>0 and b[5]<130: tmp=img.draw_rectangle(b[0:4]) tmp=img.draw_cross(b[5], b[6]) top_left = "2" if b[5]>190 and b[5]<320: tmp=img.draw_rectangle(b[0:4]) tmp=img.draw_cross(b[5], b[6]) top_right = "2" if b[6]>140 and b[6]<240:#第二层 if b[5]>0 and b[5]<130: tmp=img.draw_rectangle(b[0:4]) tmp=img.draw_cross(b[5], b[6]) bottom_left = "2" if b[5]>190 and b[5]<320: tmp=img.draw_rectangle(b[0:4]) tmp=img.draw_cross(b[5], b[6]) bottom_right = "2" if blobs3: for b in blobs3: if b[6]>0 and b[6]<100: if b[5]>0 and b[5]<130: tmp=img.draw_rectangle(b[0:4]) tmp=img.draw_cross(b[5], b[6]) #c=img.get_pixel(b[5], b[6]) top_left = "3" if b[5]>190 and b[5]<320: tmp=img.draw_rectangle(b[0:4]) tmp=img.draw_cross(b[5], b[6]) top_right = "3" if b[6]>140 and b[6]<240:#第二层 if b[5]>0 and b[5]<130: tmp=img.draw_rectangle(b[0:4]) tmp=img.draw_cross(b[5], b[6]) bottom_left = "3" if b[5]>190 and b[5]<320: tmp=img.draw_rectangle(b[0:4]) tmp=img.draw_cross(b[5], b[6]) bottom_right = "3" lcd.display(img) color_top=int(top_left+top_right) color_bottom=int(bottom_left+bottom_right) #第一层 while True: #扫描完毕，这个程序是和二维码结果比对，确定顺序 if top_floor==123: if color_top=12: #蓝红绿 uart_A.write("b r g") if color_top=13: #绿红蓝 uart_A.write("g r b") if color_top=21: #蓝绿红 uart_A.write("b g r") if color_top=23: #红绿蓝 uart_A.write("r g b") if color_top=31: #绿蓝红 uart_A.write("g b r") if color_top=32: #红蓝绿 uart_A.write("r b g") if top_floor==132: if color_top=12: #蓝红绿 uart_A.write("b r g") if color_top=13: #绿红蓝 uart_A.write("g r b") if color_top=21: #蓝绿红 uart_A.write("b g r") if color_top=23: #红绿蓝 uart_A.write("r g b") if color_top=31: #绿蓝红 uart_A.write("g b r") if color_top=32: #红蓝绿 uart_A.write("r b g") if top_floor==213: if color_top=12: #蓝红绿 uart_A.write("b r g") if color_top=13: #绿红蓝 uart_A.write("g r b") if color_top=21: #蓝绿红 uart_A.write("b g r") if color_top=23: #红绿蓝 uart_A.write("r g b") if color_top=31: #绿蓝红 uart_A.write("g b r") if color_top=32: #红蓝绿 uart_A.write("r b g") if top_floor==231: if color_top=12: #蓝红绿 uart_A.write("b r g") if color_top=13: #绿红蓝 uart_A.write("g r b") if color_top=21: #蓝绿红 uart_A.write("b g r") if color_top=23: #红绿蓝 uart_A.write("r g b") if color_top=31: #绿蓝红 uart_A.write("g b r") if color_top=32: #红蓝绿 uart_A.write("r b g") if top_floor==321: if color_top=12: #蓝红绿 uart_A.write("b r g") if color_top=13: #绿红蓝 uart_A.write("g r b") if color_top=21: #蓝绿红 uart_A.write("b g r") if color_top=