看顶尖芯片公司工程师写总结报告（Funpack第一期精彩之三）

    

     sudo sh -c "echo cmdline=init=/opt/scripts/tools/eMMC/init-eMMC-flasher-v3-stm32mp1.sh >> /boot/uEnv.txt"sudo reboot
    

    

     sudo apt update
    

    

     sudo apt install linux-headers-$(uname -r) -y
    

    

     sudo apt install make device-tree-compiler gcc -y
    

    

     sudo apt install ssh -y
    

    

     sudo apt install git -y
    

    

     sudo apt install wget -y
    

    

     sudo apt update
     sudo apt install python3 python3-distutils python3-pyqt5 python3-pip python3-numpy -y
     sudo pip3 install python-can pyqtgraph
    

    

     git clone https://github.com/Seeed-Studio/seeed-linux-dtverlays
     cd seeed-linux-dtverlays
     make all_stm32mp1 CUSTOM_MOD_FILTER_OUT="jtsn-wm8960" && sudo make install_stm32mp1 CUSTOM_MOD_FILTER_OUT="jtsn-wm8960"
    

    

     sudo sh -c "echo uboot_overlay_addr0=/lib/firmware/stm32mp1-seeed-ap6236-overlay.dtbo >> /boot/uEnv.txt"
     sudo sh -c "echo uboot_overlay_addr1=/lib/firmware/stm32mp1-seeed-spi5-overlay.dtbo >> /boot/uEnv.txt"
     sudo sh -c "echo uboot_overlay_addr2=/lib/firmware/stm32mp1-seeed-usart2-overlay.dtbo >> /boot/uEnv.txt"
     sudo sh -c "echo uboot_overlay_addr3=/lib/firmware/stm32mp1-seeed-i2c4-overlay.dtbo >> /boot/uEnv.txt"
     sudo reboot
    

    

     sudo pip3 install Seeed-grove.py
    

    

     import time
     from grove.gpio import GPIO
     

     led = GPIO(0, GPIO.OUT)
     

     while True:
      led.write(1)
      time.sleep(1)
      led.write(0)
      time.sleep(1)
      
    

    

     from grove.i2c import Bus
    

    

     sudo apt-get install i2c-tools
    

    

     i2cdetect -y 1
    

    

     import time
     from grove.i2c import Bus
     

     class GroveI2cPca9685:
     

      def __init__(self, bus=None, address=0x40):
      self.address = address
      self.bus = Bus(bus)
     

      def read_mode1(self):
      return self._read_byte(0x00)
     

      def read_mode2(self):
      return self._read_byte(0x01)
     

      # i2c bus.
      def _read_byte(self, reg):
      return self.bus.read_byte_data(self.address, reg)
     

     def main():
      pca9685 = GroveI2cPca9685()
     

      print(pca9685.read_mode1())
      print(pca9685.read_mode2())
     

     if __name__ == '__main__':
        main()
    

    

     sudo pip install adafruit-pca9685
    

    

     sudo apt-get install git build-essential python-dev
     cd ~ git clone https://github.com/adafruit/Adafruit_Python_PCA9685.git
     cd Adafruit_Python_PCA9685
     sudo python setup.py install
     

    

    

     from __future__ import division
     import time
     

     # Import the PCA9685 module.
     import Adafruit_PCA9685
     

     # Uncomment to enable debug output.
     #import logging
     #logging.basicConfig(level=logging.DEBUG)
     

     # Initialise the PCA9685 using the default address (0x40).
     pwm = Adafruit_PCA9685.PCA9685()
     

     # Alternatively specify a different address and/or bus:
     #pwm = Adafruit_PCA9685.PCA9685(address=0x41, busnum=2)
     

     # Configure min and max servo pulse lengths
     servo_min = 150 # Min pulse length out of 4096
     servo_max = 620 # Max pulse length out of 4096
     

     # Set frequency to 60hz, good for servos.
     pwm.set_pwm_freq(60)
     

     print('Moving servo on channel 15, press Ctrl-C to quit...')
     while True:
      # Move servo on channel 15 between extremes.
      pwm.set_pwm(15, 0, servo_min)
      time.sleep(1)
      pwm.set_pwm(15, 0, servo_max)
      time.sleep(1)