MicroMV 简易照相机
硬件准备
• MicroMV
• TFT屏
• 按键
代码准备
import sensor, image, time, os, lcd, pyb
from pyb import Pin, LED
pinSW = Pin('P5', Pin.IN, Pin.PULL_UP)
green_led = LED(2)
blue_led = LED(3)
sensor.reset() # Reset and initialize the sensor.
sensor.set_pixformat(sensor.RGB565) # Set pixel format to RGB565 (or GRAYSCALE)
sensor.set_framesize(sensor.QCIF) # Set frame size to QVGA (320x240)
sensor.skip_frames(time = 2000) # Wait for settings take effect.
lcd.init() # Initialize the lcd screen.
clock = time.clock() # Create a clock object to track the FPS.
temp = "temp"+str(pyb.rng())
num = 0
os.mkdir(temp) # Make a temp directory
pinVal = pinSW.value()
mode = 0
img = sensor.snapshot()
while(True):
pinCache = pinVal
pinVal = pinSW.value()
if (pinCache==1) and (pinVal ==0):
if(mode == 0):
mode = 1
lcd.deinit()
green_led.on()
blue_led.on()
sensor.set_framesize(sensor.QVGA) # Set frame size to QVGA (320x240)
sensor.skip_frames(time = 500) # Wait for settings take effect.
print("take a shot")
green_led.off()
blue_led.off()
_img = sensor.snapshot()
_img = _img.compressed(quality=90)
_img.save(temp+"/"+str(num)) # or "example.bmp" (or others)
#sensor.snapshot().save(temp+"/"+str(num))
num += 1
else:
mode = 0
sensor.set_framesize(sensor.QCIF) # Set frame size to QVGA (320x240)
sensor.skip_frames(time = 500) # Wait for settings take effect.
lcd.init() # Initialize the lcd screen.
else:
clock.tick() # Update the FPS clock.
lcd.display(img)
print(clock.fps()) # Note: OpenMV Cam runs about half as fast when connected
if (mode == 0):
img = sensor.snapshot() # Take a picture and return the image.
函数说明
• photo=sensor.snapshot() #拍照赋值给photo
• photo=photo.compressed(quality=90) #photo压缩成jpg,压缩质量为90（质量越大，损失越小）
• photo.save(temp+"/"+str(num)) #保存图片到指定路径
• lcd.init() #lcd屏幕初始化
• lcd.display(img) #屏幕显示图像
