人工智能学习--RISC-V架构 K210 Maix-Go 基本使用（二）

一时失言乱红尘 2023-05-29 03:35 27阅读 0赞

## LED例程 ##

from fpioa_manager import *
    from Maix import GPIO
    
    fm.register(board_info.LED_R, fm.fpioa.GPIO0)
    
    led_r=GPIO(GPIO.GPIO0,GPIO.OUT)
    
    led_r.value(0)

## 摄像头例程 ##

import sensor, image, time, lcd
    
    lcd.init(freq=15000000)
    sensor.reset()                      # Reset and initialize the sensor. It will
                                        # run automatically, call sensor.run(0) to stop
    sensor.set_pixformat(sensor.RGB565) # Set pixel format to RGB565 (or GRAYSCALE)
    sensor.set_framesize(sensor.QVGA)   # Set frame size to QVGA (320x240)
    sensor.skip_frames(time = 2000)     # Wait for settings take effect.
    clock = time.clock()                # Create a clock object to track the FPS.
    
    while(True):
        clock.tick()                    # Update the FPS clock.
        img = sensor.snapshot()         # Take a picture and return the image.
        lcd.display(img)                # Display on LCD
        print(clock.fps())              # Note: MaixPy's Cam runs about half as fast when connected
                                        # to the IDE. The FPS should increase once disconnected.

## 触摸屏画图例程 ##

import touchscreen as ts
    from Maix import GPIO
    from machine import I2C
    import lcd, image
    from board import board_info
    from fpioa_manager import fm
    
    fm.register(board_info.BOOT_KEY, fm.fpioa.GPIO1, force=True)
    btn_clear = GPIO(GPIO.GPIO1, GPIO.IN)
    
    lcd.init()
    i2c = I2C(I2C.I2C0, freq=400000, scl=30, sda=31)
    ts.init(i2c)
    #ts.calibrate()
    lcd.clear()
    img = image.Image()
    status_last = ts.STATUS_IDLE
    x_last = 0
    y_last = 0
    draw = False
    while True:
        (status,x,y) = ts.read()
        print(status, x, y)
        if draw:
            img.draw_line((x_last, y_last, x, y))
        if status_last!=status:
            if (status==ts.STATUS_PRESS or status == ts.STATUS_MOVE):
                draw = True
            else:
                draw = False
            status_last = status
        lcd.display(img)
        x_last = x
        y_last = y
        if btn_clear.value() == 0:
            img.clear()