113 lines
3.7 KiB
Python
113 lines
3.7 KiB
Python
# generated by maixhub, tested on maixpy3 v0.4.8
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# copy files to TF card and plug into board and power on
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import sensor, image, lcd, time
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import KPU as kpu
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from machine import UART
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import gc, sys
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from fpioa_manager import fm
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input_size = (224, 224)
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labels = ['light']
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anchors = [0.47, 0.47, 0.59, 0.59, 0.78, 0.81, 0.69, 0.69, 0.97, 0.94]
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def lcd_show_except(e):
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import uio
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err_str = uio.StringIO()
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sys.print_exception(e, err_str)
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err_str = err_str.getvalue()
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img = image.Image(size=input_size)
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img.draw_string(0, 10, err_str, scale=1, color=(0xff,0x00,0x00))
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lcd.display(img)
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class Comm:
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def __init__(self, uart):
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self.uart = uart
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def send_detect_result(self, objects, labels):
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msg = ""
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for obj in objects:
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pos = obj.rect()
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p = obj.value()
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idx = obj.classid()
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label = labels[idx]
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msg += "{}:{}:{}:{}:{}:{:.2f}:{}, ".format(pos[0], pos[1], pos[2], pos[3], idx, p, label)
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if msg:
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msg = msg[:-2] + "\n"
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self.uart.write(msg.encode())
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def init_uart():
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fm.register(10, fm.fpioa.UART1_TX, force=True)
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fm.register(11, fm.fpioa.UART1_RX, force=True)
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uart = UART(UART.UART1, 115200, 8, 0, 0, timeout=1000, read_buf_len=256)
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return uart
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def main(anchors, labels = None, model_addr="/sd/m.kmodel", sensor_window=input_size, lcd_rotation=0, sensor_hmirror=False, sensor_vflip=False):
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sensor.reset()
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sensor.set_pixformat(sensor.RGB565)
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sensor.set_framesize(sensor.QVGA)
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sensor.set_windowing(sensor_window)
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sensor.set_hmirror(sensor_hmirror)
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sensor.set_vflip(sensor_vflip)
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sensor.run(1)
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lcd.init(type=1)
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lcd.rotation(lcd_rotation)
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lcd.clear(lcd.WHITE)
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if not labels:
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with open('labels.txt','r') as f:
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exec(f.read())
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if not labels:
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print("no labels.txt")
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img = image.Image(size=(240, 240))
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img.draw_string(90, 110, "no labels.txt", color=(255, 0, 0), scale=2)
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lcd.display(img)
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return 1
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try:
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img = image.Image("startup.jpg")
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lcd.display(img)
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except Exception:
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img = image.Image(size=(240, 240))
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img.draw_string(90, 110, "loading model...", color=(255, 255, 255), scale=2)
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lcd.display(img)
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uart = init_uart()
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comm = Comm(uart)
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try:
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task = None
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task = kpu.load(model_addr)
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kpu.init_yolo2(task, 0.2, 0.3, 5, anchors) # threshold:[0,1], nms_value: [0, 1]
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while(True):
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img = sensor.snapshot()
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t = time.ticks_ms()
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objects = kpu.run_yolo2(task, img)
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t = time.ticks_ms() - t
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if objects:
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for obj in objects:
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pos = obj.rect()
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img.draw_rectangle(pos)
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img.draw_string(pos[0], pos[1], "%s : %.2f" %(labels[obj.classid()], obj.value()), scale=2, color=(255, 0, 0))
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comm.send_detect_result(objects, labels)
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img.draw_string(0, 200, "t:%dms" %(t), scale=2, color=(255, 0, 0))
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img.draw_string(0, 2, "Upgrade to MaixCAM to use YOLOv8", scale=1.2, color=(255, 0, 0))
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img.draw_string(0, 30, "wiki.sipeed.com/maixcam", scale=1.2, color=(255, 0, 0))
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lcd.display(img)
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except Exception as e:
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raise e
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finally:
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if not task is None:
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kpu.deinit(task)
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if __name__ == "__main__":
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try:
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# main(anchors = anchors, labels=labels, model_addr=0x300000, lcd_rotation=0)
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main(anchors = anchors, labels=labels, model_addr="/sd/model-179117.kmodel")
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except Exception as e:
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sys.print_exception(e)
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lcd_show_except(e)
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finally:
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gc.collect()
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