from machine import UART,Timer

【资料图】

from fpioa_manager import fm

import sensor, image, lcd, time

import KPU as kpu

import gc, sys

input_size = (224, 224)

labels = ['5', '6', '7', '8', '1', '2', '3', '4']

anchors = [, , , , , , , , , ]

#映射串口引脚

(6, _RX, force=True)

(7, _TX, force=True)

#初始化串口

uart = UART(, 9600, read_buf_len=4096)

def lcd_show_except(e):

import uio

err_str = ()

_exception(e, err_str)

err_str = err_()

img = (size=input_size)

_string(0, 10, err_str, scale=1, color=(0xff,0x00,0x00))

(img)

def main(anchors, labels = None, model_addr=0x300000, sensor_window=input_size, lcd_rotation=0, sensor_hmirror=False, sensor_vflip=False):

()

_pixformat()

_framesize()

_windowing(sensor_window)

_hmirror(sensor_hmirror)

_vflip(sensor_vflip)

(1)

_vflip(1)   #设置摄像头翻转

(type=1)

(lcd_rotation)

()

if not labels:

with open('','r') as f:

exec(())

if not labels:

print("no ")

img = (size=(320, 240))

_string(90, 110, "no ", color=(255, 0, 0), scale=2)

(img)

return 1

try:

img = ("")

(img)

except Exception:

img = (size=(320, 240))

_string(90, 110, "loading model...", color=(255, 255, 255), scale=2)

(img)

try:

task = None

task = (model_addr)

_yolo2(task, , , 5, anchors) # threshold:[0,1], nms_value: [0, 1]

while(True):

img = ()

t = _ms()

objects = _yolo2(task, img)

t = _ms() - t

if objects:

for obj in objects:

pos = ()

_rectangle(pos)

OutNum=labels[()]

_string(pos[0], pos[1], "%s : %.2f" %(labels[()], ()), scale=2, color=(255, 0, 0))

print(OutNum)

(OutNum)

_string(0, 200, "t:%dms" %(t), scale=2, color=(255, 0, 0))

(img)

except Exception as e:

raise e

finally:

if not task is None:

(task)

if __name__ == "__main__":

try:

main(anchors = anchors, labels=labels, model_addr=0x300000, lcd_rotation=0)

# main(anchors = anchors, labels=labels, model_addr="\sd\")

except Exception as e:

_exception(e)

lcd_show_except(e)

finally:

()