RPC over USB serial testing step by step

Dependencies:   mbed-rpc mbed

RPC over usbserial testing with python step by step ( tested on KL25Z on 29 Aug 2013).

1. Get start - mBed firmware installation.

mBed firmware.

http://mbed.org/media/uploads/samux/mbed_if_v2.0_frdm_kl25z.s19

2. Install RPC_USBSerial into KL25Z.

  • Register into mbed.org;
  • Select platform KL25Z in compiler;
  • Import program, Compile, download RPC_USBSerial.bin to PC;
  • Save RPC_USBSerial_KL25Z.bin to MBED drive;

3. Install mbed usbserial driver to PC.

  • Serial Communication with a PC;

http://mbed.org/handbook/SerialPC;

  • Windows serial configuration.

http://mbed.org/handbook/Windows-serial-configuration

Find COM Port name at:

  • Control Panel
  • > Syetem
  • > Hardware
  • > Device Manager
  • > Ports(COM & LPT)
  • > Mbed Virtual Serial Port(COM?) (My one is "COM11" in picture below)

/media/uploads/jooter/mbed_virtual_serial_port.png

4. Install Python and Pyserial

5. Have fun.

  • Modify Port number in serial_raw_rpc_test.py.txt
  • Copy/Paste from serial_raw_rpc_test.py.txt to python (command line);
  • Copy and run one line at a time to have real fun;

:)

serial_raw_rpc_test.py.txt

Committer:
jooter
Date:
2013-08-29
Revision:
0:b8cfe8c7e985

File content as of revision 0:b8cfe8c7e985:

# 
# install python 2.7
# install pyserial http://sourceforge.net/projects/pyserial/files/pyserial/2.5/pyserial-2.5.win32.exe/download

import serial
import time
ser = serial.Serial(port='COM11', baudrate=9600, timeout=0)
def ser_command (v):
    ser.write(v + '\n')

ser_command('/PwmOut/new LED1 blue') # turn on
ser_command('/blue/write 1') # turn off
ser_command('/blue/write 0.98') # dimm 
ser_command('/blue/read')
ser_command('/blue/read')
ser_command('/blue/read')
ser_command('/blue/read')
ser_command('/blue/read')
ser_command('/blue/read')


for i in range(100):
    time.sleep(0.1)
    ser.write('/blue/write '+ str(i/100.0) + '\n')
    print(i/100.0)