Arena size is too small for all buffers.

[lvp4]

Arena size is too small for all buffers. Needed 225840 but only 189856 was available. AllocateTensors() failed!

# Untitled - By: Administrator - 周五 7月 14 2023

import sensor, image, time, os, tf, math, uos, gc ,ustruct ,pyb
from pyb import UART ,LED ,Timer
uart = UART(3,115200)   #定义串口3变量
uart.init(115200, bits=8, parity=None, stop=1) # init with given parameters

sensor.reset()
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QQQVGA)
sensor.skip_frames(time = 2000)
sensor.set_vflip(True)
sensor.set_hmirror(True)#水平镜像
clock = time.clock()

global r_flag
r_flag = 1



def outuart(x,a,flag):
    global uart
    f_x=0
    f_a=0
    if flag==1: #十字
        x,a,f_x,f_a=(0,0,0,1)
    if flag==2: #上左
        x,a,f_x,f_a=(0,0,1,0)
    if flag==3: #上右
        x,a,f_x,f_a=(0,0,1,1)
    if flag==4: #stop
        x,a,f_x,f_a=(1,1,1,2)

    data = ustruct.pack("<bbhhhhb",      #格式为俩个字符俩个短整型(2字节)
                   0x2C,                      #帧头1
                   0x12,                      #帧头2
                   int(x), # up sample by 4   #数据1
                   int(a), # up sample by 4    #数据2
                   int(f_x), # up sample by 4    #数据1
                   int(f_a), # up sample by 4    #数据2
                   0x5B)
    if flag!=1:
        uart.write(data)  #必须要传入一个字节数组
    else:
            uart.write(data)  #必须要传入一个字节数组
            time.sleep_ms(1)


def findline():
    global r_flag
    THRESHOLD = (18, 61, 14, 89, -2, 63)
    LED(1).on()
    LED(2).on()
    LED(3).on()
    sensor.set_framesize(sensor.QQQVGA)
    roi1 = [(0,17,15,25),#左
        (65,17,15,25),#右
        (30,0,20,15)]#上
    img = sensor.snapshot().binary([THRESHOLD])
    line = img.get_regression([(100,100)], robust = True)
    left_flag,right_flag,up_flag=(0,0,0)
    for rec in roi1:
            img.draw_rectangle(rec, color=(255,0,0))#绘制出roi区域
    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:#if -40<b_err<40 and -30<t_err<30:

            outdata=[rho_err,theta_err,0]
            print(outdata)
            outuart(rho_err,theta_err,0)

            if img.find_blobs([(96, 100, -13, 5, -11, 18)],roi=roi1[0]):  #left
                #print('left')
                left_flag=1
            if img.find_blobs([(96, 100, -13, 5, -11, 18)],roi=roi1[1]):  #right
                #print('right')
                right_flag=1
            if img.find_blobs([(96, 100, -13, 5, -11, 18)],roi=roi1[2]):  #up
                #print('up')
                up_flag=1

            if left_flag==1 and right_flag==1:
                outuart(0,0,1)
                #time.sleep_ms(5)
                print('shizi')

            if left_flag==1 and up_flag==1:
                outuart(0,0,2)
                print('up-left')

            if right_flag==1 and up_flag==1:
                outuart(0,0,3)
                print('up-right')

    else:
        outuart(0,0,4)
        print('stop')



global x,y,target,t_flag,middle_x
middle_x = 120
flag=0
target = 0
t_flag = 0


def FirstFindNum(Finded_Num):
    global target,t_flag,uart
    if t_flag == 0 and Finded_Num>0:
       target = Finded_Num
       t_flag = 1
       print('+++++++++++++++++++++++++已经识别到数字+++++++++++++++++++++++++++++++++++')
       data = ustruct.pack("<bbhb",      #格式为俩个字符俩个短整型(2字节)
                   0x2C,                      #帧头1
                   0x12,                      #帧头2
                   int(t_flag), # up sample by 4   #数据1识别到目标的标识符
                   0x5B)
       uart.write(data)
       return target

global s_flag
s_flag = 0

def FindNum(x,y,target,i):
    global s_flag,flag,uart,t_flag,x_flag

    if t_flag == 1 and target == i:
        s_flag+=1
        x_flag = 0
        if(s_flag == 20):
         print('//////////////////////////////发送一次标志位////////////////////////////////////////')
         s_flag = 0
         x_flag = 1
        if x>middle_x:
         flag=1
         print(flag)
        else:
         flag=0
         print(flag)

        if x_flag>0:
         data = ustruct.pack("<bbhhb",      #格式为俩个字符俩个短整型(2字节)
                   0x2C,                      #帧头1
                   0x12,                      #帧头2
                   int(x_flag), # up sample by 4   #数据1识别到目标的标识符
                   int(flag), # up sample by 4    #数据2左右标识符 -1 是左 1是右
                   0x5B)
         uart.write(data)  #必须要传入一个字节数组


def findnum():
    sensor.set_framesize(sensor.QVGA)      # Set frame size to QVGA (320x240)
    sensor.set_windowing((240, 240))       # Set 240x240 window.
    net = None
    labels = None
    min_confidence = 0.7
    colors = [ # Add more colors if you are detecting more than 7 types of classes at once.
        (255,   0,   0),
        (  0, 255,   0),
        (255, 255,   0),
        (  0,   0, 255),
        (255,   0, 255),
        (  0, 255, 255),
        (100, 255, 255),
        (255, 100, 255),
        (255, 255, 100),
        (255, 255, 255),
    ]
    #try:
        # load the model, alloc the model file on the heap if we have at least 64K free after loading
    net = tf.load("trained.tflite", load_to_fb=uos.stat('trained.tflite')[6] > (gc.mem_free() - (128*1024)))
    #except Exception as e:
        #raise Exception('Failed to load "trained.tflite", did you copy the .tflite and labels.txt file onto the mass-storage device? (' + str(e) + ')')

    #try:
    labels = [line.rstrip('\n') for line in open("labels.txt")]
    #except Exception as e:
        #raise Exception('Failed to load "labels.txt", did you copy the .tflite and labels.txt file onto the mass-storage device? (' + str(e) + ')')


    # detect() returns all objects found in the image (splitted out per class already)
    # we skip class index 0, as that is the background, and then draw circles of the center
    # of our objects
    data = net.detect(img, thresholds=[(math.ceil(min_confidence * 255), 255)])
    for i, detection_list in enumerate(data):

        if (i == 0): continue # background class
        if (len(detection_list) == 0): continue # no detections for this class?
        print("********** %s **********" % labels[i])
        for d in detection_list:
            global center_x,center_y
            if i==1:
                    print('数字1',d.output())
                    [x, y, w, h] = d.rect()
                    center_x = math.floor(x + (w / 2))
                    center_y = math.floor(y + (h / 2))
                    print('x %d\ty %d' % (center_x, center_y))
                    #img.draw_cross((center_x, center_y), color=colors[i], size = 10, thickness=2)
                    img.draw_string(center_x + 12, center_y + 12, labels[i], color=colors[i],scale=4)
                    img.draw_rectangle(x-35,y-50, w+70, h+90, color =colors[i], thickness = 1, fill = False)
                    #outuart(center_x,center_y,i)
                    FirstFindNum(i)
                    FindNum(center_x,center_y,target,i)





            if i==2:
                    print('数字2',d.output())
                    [x, y, w, h] = d.rect()
                    center_x = math.floor(x + (w / 2))
                    center_y = math.floor(y + (h / 2))
                    print('x %d\ty %d' % (center_x, center_y))
                    #img.draw_cross((center_x, center_y), color=colors[i], size = 10, thickness=2)
                    img.draw_string(center_x + 12, center_y + 12, labels[i], color=colors[i],scale=4)
                    img.draw_rectangle(x-35,y-50, w+70, h+90, color =colors[i], thickness = 1, fill = False)
                    #outuart(center_x,center_y,i)
                    FirstFindNum(i)
                    FindNum(center_x,center_y,target,i)


            if i==3:
                    print('数字3',d.output())
                    [x, y, w, h] = d.rect()
                    center_x = math.floor(x + (w / 2))
                    center_y = math.floor(y + (h / 2))
                    print('x %d\ty %d' % (center_x, center_y))
                    #img.draw_cross((center_x, center_y), color=colors[i], size = 10, thickness=2)
                    img.draw_string(center_x + 12, center_y + 12, labels[i], color=colors[i],scale=4)
                    img.draw_rectangle(x-35,y-50, w+70, h+90, color =colors[i], thickness = 1, fill = False)
                    #outuart(center_x,center_y,i)
                    FirstFindNum(i)
                    FindNum(center_x,center_y,target,i)


            if i==4:
                    print('数字4',d.output())
                    [x, y, w, h] = d.rect()
                    center_x = math.floor(x + (w / 2))
                    center_y = math.floor(y + (h / 2))
                    print('x %d\ty %d' % (center_x, center_y))
                    #img.draw_cross((center_x, center_y), color=colors[i], size = 10, thickness=2)
                    img.draw_string(center_x + 12, center_y + 12, labels[i], color=colors[i],scale=4)
                    img.draw_rectangle(x-35,y-50, w+70, h+90, color =colors[i], thickness = 1, fill = False)
                    #outuart(center_x,center_y,i)
                    FirstFindNum(i)
                    FindNum(center_x,center_y,target,i)

            if i==5:
                    print('数字5',d.output())
                    [x, y, w, h] = d.rect()
                    center_x = math.floor(x + (w / 2))
                    center_y = math.floor(y + (h / 2))
                    print('x %d\ty %d' % (center_x, center_y))
                    #img.draw_cross((center_x, center_y), color=colors[i], size = 10, thickness=2)
                    img.draw_string(center_x + 12, center_y + 12, labels[i], color=colors[i],scale=4)
                    img.draw_rectangle(x-35,y-50, w+70, h+90, color =colors[i], thickness = 1, fill = False)
                    #outuart(center_x,center_y,i)
                    FirstFindNum(i)
                    FindNum(center_x,center_y,target,i)

            if i==6:
                    print('数字6',d.output())
                    [x, y, w, h] = d.rect()
                    center_x = math.floor(x + (w / 2))
                    center_y = math.floor(y + (h / 2))
                    print('x %d\ty %d' % (center_x, center_y))
                    #img.draw_cross((center_x, center_y), color=colors[i], size = 10, thickness=2)
                    img.draw_string(center_x + 12, center_y + 12, labels[i], color=colors[i],scale=4)
                    img.draw_rectangle(x-35,y-50, w+70, h+90, color =colors[i], thickness = 1, fill = False)
                    #outuart(center_x,center_y,i)
                    FirstFindNum(i)
                    FindNum(center_x,center_y,target,i)


            if i==7:
                    print('数字7',d.output())
                    [x, y, w, h] = d.rect()
                    center_x = math.floor(x + (w / 2))
                    center_y = math.floor(y + (h / 2))
                    print('x %d\ty %d' % (center_x, center_y))
                    #img.draw_cross((center_x, center_y), color=colors[i], size = 10, thickness=2)
                    img.draw_string(center_x + 12, center_y + 12, labels[i], color=colors[i],scale=4)
                    img.draw_rectangle(x-35,y-50, w+70, h+90, color =colors[i], thickness = 1, fill = False)
                    #outuart(center_x,center_y,i)
                    FirstFindNum(i)
                    FindNum(center_x,center_y,target,i)


            if i==8:
                    print('数字8',d.output())
                    [x, y, w, h] = d.rect()
                    center_x = math.floor(x + (w / 2))
                    center_y = math.floor(y + (h / 2))
                    print('x %d\ty %d' % (center_x, center_y))
                    #img.draw_cross((center_x, center_y), color=colors[i], size = 10, thickness=2)
                    img.draw_string(center_x + 12, center_y + 12, labels[i], color=colors[i],scale=4)
                    img.draw_rectangle(x-35,y-50, w+70, h+90, color =colors[i], thickness = 1, fill = False)
                    #outuart(center_x,center_y,i)
                    FirstFindNum(i)
                    FindNum(center_x,center_y,target,i)








clock = time.clock()

while(True):
    clock.tick()
    img = sensor.snapshot()
    print(r_flag)
    global r_flag
    if uart.any():
     a = uart.read(1).decode().strip() #uart.read()为一个字节串，加.decode() 变成字符串
     r_flag = int(a)
     print(r_flag)
    if r_flag == 0:
     findline()
    elif r_flag == 1:
     findnum()

[lvp4]

这个报错是因为什么问题

[lvp4]

openmv h7 plus

[kidswong999]

先精简为直接运行就报错的代码。你的代码我没办法测试。