4. 单独使用串口和串口与i2c一起使用时串口助手收到的数据不一样，请问怎么解决
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    • 单独使用串口和串口与i2c一起使用时串口助手收到的数据不一样，请问怎么解决

    • Z
       

      THRESHOLD = (3, 34, -69, 115, -48, 127)

import sensor, image, time, pyb
from pyb import LED
from pid import PID
from pyb import UART
import math
from machine import I2C
from vl53l1x import VL53L1X
rho_pid = PID(p=0.4, i=0)
theta_pid = PID(p=0.001, i=0)
uart = UART(3, 115200)
i2c = I2C(2)
distance_sensor = VL53L1X(i2c)
LED(1).on()
LED(2).on()
LED(3).on()

sensor.reset()
sensor.set_vflip(True)
sensor.set_hmirror(True)
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QQQVGA)
sensor.skip_frames(time = 2000)
data1 = 0x2c
data2 = 0x2b
clock = time.clock()

roi1 = [(0, 0, 25, 20),
        (0, 45, 32, 50),
        (50, 45, 30, 50)
        ]

while True:
    clock.tick()
    img = sensor.snapshot().binary([THRESHOLD])

    ROI_L = (22, 31, 4, 5)
    ROI_R = (43, 31, 6, 5)
    ROI1 = (34, 12, 12, 31)
    ROI2 = (27, 45, 15, 15)
    ROI3 = (32, 30, 6, 12)

    blobs1 = img.find_blobs([(100, 100)], roi=ROI_L, area_threshold=15, merge=True)
    blobs2 = img.find_blobs([(100, 100)], roi=ROI_R, area_threshold=15, merge=True)
    blobs3 = img.find_blobs([(100, 100)], roi=ROI1, area_threshold=15, merge=True)
    blobs4 = img.find_blobs([(100, 100)], roi=ROI2, area_threshold=15, merge=True)
    blobs5 = img.find_blobs([(100, 100)], roi=ROI3, area_threshold=15, merge=True)

    img = sensor.snapshot().binary([THRESHOLD])

    line = img.get_regression([(100, 100)], robust=True)

    img.draw_line((25, 0, 25, 60), color=(0, 255, 0))
    img.draw_line((47, 0, 47, 60), color=(0, 255, 0))
    img.draw_line((0, 45, 25, 45), color=(0, 255, 0))
    img.draw_line((47, 45, 80, 45), color=(0, 255, 0))

    if blobs1 and blobs2:
        #print(666)
        output1 = int(50) + 50
        output_str1 = bytearray([output1])
        uart.write('@')
        uart.write(bytearray(b'd'))
        uart.write('\r\n')

    if line:
		 rho_err = abs(line.rho()) - img.width() / 2
		 if line.theta() > 90:
			 theta_err = line.theta() - 180
		 else:
			 theta_err = line.theta()
			 img.draw_line(line.line(), color=127)
		 if line.magnitude() > 8:
			 rho_output = rho_pid.get_pid(rho_err, 1)
			 theta_output = theta_pid.get_pid(theta_err, 1)
			 output = rho_output + theta_output
			 output = int(output) + 50
                         OUTPUT = str(round(output))
                         outut_str = bytearray([output])
                         uart.write(bytes([0x2C]))
                         uart.write(outut_str )
                         uart.write(bytes([0x5B]))  # 将16进制转换为字
                         print(outut_str )
# 读取测距模块数据
    distance = distance_sensor.read()

    # 对测距数据进行处理
    distance = distance / 10  # 假设测距模块返回的是以毫米为单位的距离数据
    distance = int(distance)
    print("Distance:", distance, "mm")
    outut_str2 = bytearray([distance])
    uart.write(bytes([0x2C]))
    uart.write(outut_str2 )
    uart.write(bytes([0x5B]))
    time.sleep(0.1)
      0

    • 原因：串口3和i2c引脚冲突。

      解决办法：把串口3改为串口1，使用P0P1引脚发送串口数据。

      0