Marco Zecchini
/
Example_RTOS
Rtos API example
Diff: mbed-os/tools/host_tests/mbedrpc.py
- Revision:
- 0:9fca2b23d0ba
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os/tools/host_tests/mbedrpc.py Sat Feb 23 12:13:36 2019 +0000 @@ -0,0 +1,225 @@ +# mbedRPC.py - mbed RPC interface for Python +# +##Copyright (c) 2010 ARM Ltd +## +##Permission is hereby granted, free of charge, to any person obtaining a copy +##of this software and associated documentation files (the "Software"), to deal +##in the Software without restriction, including without limitation the rights +##to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +##copies of the Software, and to permit persons to whom the Software is +##furnished to do so, subject to the following conditions: +## +##The above copyright notice and this permission notice shall be included in +##all copies or substantial portions of the Software. +## +##THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +##IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +##FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +##AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +##LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +##OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +##THE SOFTWARE. +# +# Example: +# >from mbedRPC import* +# >mbed = SerialRPC("COM5",9600) +# >myled = DigitalOut(mbed,"myled") <--- Where the text in quotations matches your RPC pin definition's second parameter, in this case it could be RpcDigitalOut myled(LED1,"myled"); +# >myled.write(1) +# > + +import serial, urllib2, time + +# mbed super class +class mbed: + def __init__(self): + print("This will work as a demo but no transport mechanism has been selected") + + def rpc(self, name, method, args): + print("Superclass method not overridden") + + +# Transport mechanisms, derived from mbed +class SerialRPC(mbed): + def __init__(self, port, baud): + self.ser = serial.Serial(port) + self.ser.setBaudrate(baud) + + def rpc(self, name, method, args): + # creates the command to be sent serially - /name/method arg1 arg2 arg3 ... argN + str = "/" + name + "/" + method + " " + " ".join(args) + "\n" + # prints the command being executed + print str + # writes the command to serial + self.ser.write(str) + # strips trailing characters from the line just written + ret_val = self.ser.readline().strip() + return ret_val + + +class HTTPRPC(mbed): + def __init__(self, ip): + self.host = "http://" + ip + + def rpc(self, name, method, args): + response = urllib2.urlopen(self.host + "/rpc/" + name + "/" + method + "%20" + "%20".join(args)) + return response.read().strip() + + +# generic mbed interface super class +class mbed_interface(): + # initialize an mbed interface with a transport mechanism and pin name + def __init__(self, this_mbed, mpin): + self.mbed = this_mbed + if isinstance(mpin, str): + self.name = mpin + + def __del__(self): + r = self.mbed.rpc(self.name, "delete", []) + + def new(self, class_name, name, pin1, pin2 = "", pin3 = ""): + args = [arg for arg in [pin1,pin2,pin3,name] if arg != ""] + r = self.mbed.rpc(class_name, "new", args) + + # generic read + def read(self): + r = self.mbed.rpc(self.name, "read", []) + return int(r) + + +# for classes that need write functionality - inherits from the generic reading interface +class mbed_interface_write(mbed_interface): + def __init__(self, this_mbed, mpin): + mbed_interface.__init__(self, this_mbed, mpin) + + # generic write + def write(self, value): + r = self.mbed.rpc(self.name, "write", [str(value)]) + + +# mbed interfaces +class DigitalOut(mbed_interface_write): + def __init__(self, this_mbed, mpin): + mbed_interface_write.__init__(self, this_mbed, mpin) + + +class AnalogIn(mbed_interface): + def __init__(self, this_mbed, mpin): + mbed_interface.__init__(self, this_mbed, mpin) + + def read_u16(self): + r = self.mbed.rpc(self.name, "read_u16", []) + return int(r) + + +class AnalogOut(mbed_interface_write): + def __init__(self, this_mbed, mpin): + mbed_interface_write.__init__(self, this_mbed, mpin) + + def write_u16(self, value): + self.mbed.rpc(self.name, "write_u16", [str(value)]) + + def read(self): + r = self.mbed.rpc(self.name, "read", []) + return float(r) + + +class DigitalIn(mbed_interface): + def __init__(self, this_mbed, mpin): + mbed_interface.__init__(self, this_mbed, mpin) + + +class PwmOut(mbed_interface_write): + def __init__(self, this_mbed, mpin): + mbed_interface_write.__init__(self, this_mbed, mpin) + + def read(self): + r = self.mbed.rpc(self.name, "read", []) + return r + + def period(self, value): + self.mbed.rpc(self.name, "period", [str(value)]) + + def period_ms(self, value): + self.mbed.rpc(self.name, "period_ms", [str(value)]) + + def period_us(self, value): + self.mbed.rpc(self.name, "period_us", [str(value)]) + + def pulsewidth(self, value): + self.mbed.rpc(self.name, "pulsewidth", [str(value)]) + + def pulsewidth_ms(self, value): + self.mbed.rpc(self.name, "pulsewidth_ms", [str(value)]) + + def pulsewidth_us(self, value): + self.mbed.rpc(self.name, "pulsewidth_us", [str(value)]) + + +class RPCFunction(mbed_interface): + def __init__(self, this_mbed, name): + mbed_interface.__init__(self, this_mbed, name) + + def run(self, input): + r = self.mbed.rpc(self.name, "run", [input]) + return r + + +class RPCVariable(mbed_interface_write): + def __init__(self, this_mbed, name): + mbed_interface_write.__init__(self, this_mbed, name) + + def read(self): + r = self.mbed.rpc(self.name, "read", []) + return r + +class Timer(mbed_interface): + def __init__(self, this_mbed, name): + mbed_interface.__init__(self, this_mbed, name) + + def start(self): + r = self.mbed.rpc(self.name, "start", []) + + def stop(self): + r = self.mbed.rpc(self.name, "stop", []) + + def reset(self): + r = self.mbed.rpc(self.name, "reset", []) + + def read(self): + r = self.mbed.rpc(self.name, "read", []) + return float(re.search('\d+\.*\d*', r).group(0)) + + def read_ms(self): + r = self.mbed.rpc(self.name, "read_ms", []) + return float(re.search('\d+\.*\d*', r).group(0)) + + def read_us(self): + r = self.mbed.rpc(self.name, "read_us", []) + return float(re.search('\d+\.*\d*', r).group(0)) + +# Serial +class Serial(): + def __init__(self, this_mbed, tx, rx=""): + self.mbed = this_mbed + if isinstance(tx, str): + self.name = tx + + def __del__(self): + r = self.mbed.rpc(self.name, "delete", []) + + def baud(self, value): + r = self.mbed.rpc(self.name, "baud", [str(value)]) + + def putc(self, value): + r = self.mbed.rpc(self.name, "putc", [str(value)]) + + def puts(self, value): + r = self.mbed.rpc(self.name, "puts", ["\"" + str(value) + "\""]) + + def getc(self): + r = self.mbed.rpc(self.name, "getc", []) + return int(r) + + +def wait(s): + time.sleep(s)