joey shelton / LED_Demo2

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Dependencies:   MAX44000 PWM_Tone_Library nexpaq_mdk

Fork of LED_Demo by joey shelton

mbd_os/tools/host_tests/mbedrpc.py@1:55a6170b404f, 2016-09-17 (annotated)

Committer:
nexpaq
Date:
Sat Sep 17 16:32:05 2016 +0000
Revision:
1:55a6170b404f
checking in for sharing

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nexpaq 1:55a6170b404f 1 # mbedRPC.py - mbed RPC interface for Python
nexpaq 1:55a6170b404f 2 #
nexpaq 1:55a6170b404f 3 ##Copyright (c) 2010 ARM Ltd
nexpaq 1:55a6170b404f 4 ##
nexpaq 1:55a6170b404f 5 ##Permission is hereby granted, free of charge, to any person obtaining a copy
nexpaq 1:55a6170b404f 6 ##of this software and associated documentation files (the "Software"), to deal
nexpaq 1:55a6170b404f 7 ##in the Software without restriction, including without limitation the rights
nexpaq 1:55a6170b404f 8 ##to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
nexpaq 1:55a6170b404f 9 ##copies of the Software, and to permit persons to whom the Software is
nexpaq 1:55a6170b404f 10 ##furnished to do so, subject to the following conditions:
nexpaq 1:55a6170b404f 11 ##
nexpaq 1:55a6170b404f 12 ##The above copyright notice and this permission notice shall be included in
nexpaq 1:55a6170b404f 13 ##all copies or substantial portions of the Software.
nexpaq 1:55a6170b404f 14 ##
nexpaq 1:55a6170b404f 15 ##THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
nexpaq 1:55a6170b404f 16 ##IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
nexpaq 1:55a6170b404f 17 ##FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
nexpaq 1:55a6170b404f 18 ##AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
nexpaq 1:55a6170b404f 19 ##LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
nexpaq 1:55a6170b404f 20 ##OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
nexpaq 1:55a6170b404f 21 ##THE SOFTWARE.
nexpaq 1:55a6170b404f 22 #
nexpaq 1:55a6170b404f 23 # Example:
nexpaq 1:55a6170b404f 24 # >from mbedRPC import*
nexpaq 1:55a6170b404f 25 # >mbed = SerialRPC("COM5",9600)
nexpaq 1:55a6170b404f 26 # >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");
nexpaq 1:55a6170b404f 27 # >myled.write(1)
nexpaq 1:55a6170b404f 28 # >
nexpaq 1:55a6170b404f 29
nexpaq 1:55a6170b404f 30 import serial, urllib2, time
nexpaq 1:55a6170b404f 31
nexpaq 1:55a6170b404f 32 # mbed super class
nexpaq 1:55a6170b404f 33 class mbed:
nexpaq 1:55a6170b404f 34 def __init__(self):
nexpaq 1:55a6170b404f 35 print("This will work as a demo but no transport mechanism has been selected")
nexpaq 1:55a6170b404f 36
nexpaq 1:55a6170b404f 37 def rpc(self, name, method, args):
nexpaq 1:55a6170b404f 38 print("Superclass method not overridden")
nexpaq 1:55a6170b404f 39
nexpaq 1:55a6170b404f 40
nexpaq 1:55a6170b404f 41 # Transport mechanisms, derived from mbed
nexpaq 1:55a6170b404f 42 class SerialRPC(mbed):
nexpaq 1:55a6170b404f 43 def __init__(self, port, baud):
nexpaq 1:55a6170b404f 44 self.ser = serial.Serial(port)
nexpaq 1:55a6170b404f 45 self.ser.setBaudrate(baud)
nexpaq 1:55a6170b404f 46
nexpaq 1:55a6170b404f 47 def rpc(self, name, method, args):
nexpaq 1:55a6170b404f 48 # creates the command to be sent serially - /name/method arg1 arg2 arg3 ... argN
nexpaq 1:55a6170b404f 49 str = "/" + name + "/" + method + " " + " ".join(args) + "\n"
nexpaq 1:55a6170b404f 50 # prints the command being executed
nexpaq 1:55a6170b404f 51 print str
nexpaq 1:55a6170b404f 52 # writes the command to serial
nexpaq 1:55a6170b404f 53 self.ser.write(str)
nexpaq 1:55a6170b404f 54 # strips trailing characters from the line just written
nexpaq 1:55a6170b404f 55 ret_val = self.ser.readline().strip()
nexpaq 1:55a6170b404f 56 return ret_val
nexpaq 1:55a6170b404f 57
nexpaq 1:55a6170b404f 58
nexpaq 1:55a6170b404f 59 class HTTPRPC(mbed):
nexpaq 1:55a6170b404f 60 def __init__(self, ip):
nexpaq 1:55a6170b404f 61 self.host = "http://" + ip
nexpaq 1:55a6170b404f 62
nexpaq 1:55a6170b404f 63 def rpc(self, name, method, args):
nexpaq 1:55a6170b404f 64 response = urllib2.urlopen(self.host + "/rpc/" + name + "/" + method + "%20" + "%20".join(args))
nexpaq 1:55a6170b404f 65 return response.read().strip()
nexpaq 1:55a6170b404f 66
nexpaq 1:55a6170b404f 67
nexpaq 1:55a6170b404f 68 # generic mbed interface super class
nexpaq 1:55a6170b404f 69 class mbed_interface():
nexpaq 1:55a6170b404f 70 # initialize an mbed interface with a transport mechanism and pin name
nexpaq 1:55a6170b404f 71 def __init__(self, this_mbed, mpin):
nexpaq 1:55a6170b404f 72 self.mbed = this_mbed
nexpaq 1:55a6170b404f 73 if isinstance(mpin, str):
nexpaq 1:55a6170b404f 74 self.name = mpin
nexpaq 1:55a6170b404f 75
nexpaq 1:55a6170b404f 76 def __del__(self):
nexpaq 1:55a6170b404f 77 r = self.mbed.rpc(self.name, "delete", [])
nexpaq 1:55a6170b404f 78
nexpaq 1:55a6170b404f 79 def new(self, class_name, name, pin1, pin2 = "", pin3 = ""):
nexpaq 1:55a6170b404f 80 args = [arg for arg in [pin1,pin2,pin3,name] if arg != ""]
nexpaq 1:55a6170b404f 81 r = self.mbed.rpc(class_name, "new", args)
nexpaq 1:55a6170b404f 82
nexpaq 1:55a6170b404f 83 # generic read
nexpaq 1:55a6170b404f 84 def read(self):
nexpaq 1:55a6170b404f 85 r = self.mbed.rpc(self.name, "read", [])
nexpaq 1:55a6170b404f 86 return int(r)
nexpaq 1:55a6170b404f 87
nexpaq 1:55a6170b404f 88
nexpaq 1:55a6170b404f 89 # for classes that need write functionality - inherits from the generic reading interface
nexpaq 1:55a6170b404f 90 class mbed_interface_write(mbed_interface):
nexpaq 1:55a6170b404f 91 def __init__(self, this_mbed, mpin):
nexpaq 1:55a6170b404f 92 mbed_interface.__init__(self, this_mbed, mpin)
nexpaq 1:55a6170b404f 93
nexpaq 1:55a6170b404f 94 # generic write
nexpaq 1:55a6170b404f 95 def write(self, value):
nexpaq 1:55a6170b404f 96 r = self.mbed.rpc(self.name, "write", [str(value)])
nexpaq 1:55a6170b404f 97
nexpaq 1:55a6170b404f 98
nexpaq 1:55a6170b404f 99 # mbed interfaces
nexpaq 1:55a6170b404f 100 class DigitalOut(mbed_interface_write):
nexpaq 1:55a6170b404f 101 def __init__(self, this_mbed, mpin):
nexpaq 1:55a6170b404f 102 mbed_interface_write.__init__(self, this_mbed, mpin)
nexpaq 1:55a6170b404f 103
nexpaq 1:55a6170b404f 104
nexpaq 1:55a6170b404f 105 class AnalogIn(mbed_interface):
nexpaq 1:55a6170b404f 106 def __init__(self, this_mbed, mpin):
nexpaq 1:55a6170b404f 107 mbed_interface.__init__(self, this_mbed, mpin)
nexpaq 1:55a6170b404f 108
nexpaq 1:55a6170b404f 109 def read_u16(self):
nexpaq 1:55a6170b404f 110 r = self.mbed.rpc(self.name, "read_u16", [])
nexpaq 1:55a6170b404f 111 return int(r)
nexpaq 1:55a6170b404f 112
nexpaq 1:55a6170b404f 113
nexpaq 1:55a6170b404f 114 class AnalogOut(mbed_interface_write):
nexpaq 1:55a6170b404f 115 def __init__(self, this_mbed, mpin):
nexpaq 1:55a6170b404f 116 mbed_interface_write.__init__(self, this_mbed, mpin)
nexpaq 1:55a6170b404f 117
nexpaq 1:55a6170b404f 118 def write_u16(self, value):
nexpaq 1:55a6170b404f 119 self.mbed.rpc(self.name, "write_u16", [str(value)])
nexpaq 1:55a6170b404f 120
nexpaq 1:55a6170b404f 121 def read(self):
nexpaq 1:55a6170b404f 122 r = self.mbed.rpc(self.name, "read", [])
nexpaq 1:55a6170b404f 123 return float(r)
nexpaq 1:55a6170b404f 124
nexpaq 1:55a6170b404f 125
nexpaq 1:55a6170b404f 126 class DigitalIn(mbed_interface):
nexpaq 1:55a6170b404f 127 def __init__(self, this_mbed, mpin):
nexpaq 1:55a6170b404f 128 mbed_interface.__init__(self, this_mbed, mpin)
nexpaq 1:55a6170b404f 129
nexpaq 1:55a6170b404f 130
nexpaq 1:55a6170b404f 131 class PwmOut(mbed_interface_write):
nexpaq 1:55a6170b404f 132 def __init__(self, this_mbed, mpin):
nexpaq 1:55a6170b404f 133 mbed_interface_write.__init__(self, this_mbed, mpin)
nexpaq 1:55a6170b404f 134
nexpaq 1:55a6170b404f 135 def read(self):
nexpaq 1:55a6170b404f 136 r = self.mbed.rpc(self.name, "read", [])
nexpaq 1:55a6170b404f 137 return r
nexpaq 1:55a6170b404f 138
nexpaq 1:55a6170b404f 139 def period(self, value):
nexpaq 1:55a6170b404f 140 self.mbed.rpc(self.name, "period", [str(value)])
nexpaq 1:55a6170b404f 141
nexpaq 1:55a6170b404f 142 def period_ms(self, value):
nexpaq 1:55a6170b404f 143 self.mbed.rpc(self.name, "period_ms", [str(value)])
nexpaq 1:55a6170b404f 144
nexpaq 1:55a6170b404f 145 def period_us(self, value):
nexpaq 1:55a6170b404f 146 self.mbed.rpc(self.name, "period_us", [str(value)])
nexpaq 1:55a6170b404f 147
nexpaq 1:55a6170b404f 148 def pulsewidth(self, value):
nexpaq 1:55a6170b404f 149 self.mbed.rpc(self.name, "pulsewidth", [str(value)])
nexpaq 1:55a6170b404f 150
nexpaq 1:55a6170b404f 151 def pulsewidth_ms(self, value):
nexpaq 1:55a6170b404f 152 self.mbed.rpc(self.name, "pulsewidth_ms", [str(value)])
nexpaq 1:55a6170b404f 153
nexpaq 1:55a6170b404f 154 def pulsewidth_us(self, value):
nexpaq 1:55a6170b404f 155 self.mbed.rpc(self.name, "pulsewidth_us", [str(value)])
nexpaq 1:55a6170b404f 156
nexpaq 1:55a6170b404f 157
nexpaq 1:55a6170b404f 158 class RPCFunction(mbed_interface):
nexpaq 1:55a6170b404f 159 def __init__(self, this_mbed, name):
nexpaq 1:55a6170b404f 160 mbed_interface.__init__(self, this_mbed, name)
nexpaq 1:55a6170b404f 161
nexpaq 1:55a6170b404f 162 def run(self, input):
nexpaq 1:55a6170b404f 163 r = self.mbed.rpc(self.name, "run", [input])
nexpaq 1:55a6170b404f 164 return r
nexpaq 1:55a6170b404f 165
nexpaq 1:55a6170b404f 166
nexpaq 1:55a6170b404f 167 class RPCVariable(mbed_interface_write):
nexpaq 1:55a6170b404f 168 def __init__(self, this_mbed, name):
nexpaq 1:55a6170b404f 169 mbed_interface_write.__init__(self, this_mbed, name)
nexpaq 1:55a6170b404f 170
nexpaq 1:55a6170b404f 171 def read(self):
nexpaq 1:55a6170b404f 172 r = self.mbed.rpc(self.name, "read", [])
nexpaq 1:55a6170b404f 173 return r
nexpaq 1:55a6170b404f 174
nexpaq 1:55a6170b404f 175 class Timer(mbed_interface):
nexpaq 1:55a6170b404f 176 def __init__(self, this_mbed, name):
nexpaq 1:55a6170b404f 177 mbed_interface.__init__(self, this_mbed, name)
nexpaq 1:55a6170b404f 178
nexpaq 1:55a6170b404f 179 def start(self):
nexpaq 1:55a6170b404f 180 r = self.mbed.rpc(self.name, "start", [])
nexpaq 1:55a6170b404f 181
nexpaq 1:55a6170b404f 182 def stop(self):
nexpaq 1:55a6170b404f 183 r = self.mbed.rpc(self.name, "stop", [])
nexpaq 1:55a6170b404f 184
nexpaq 1:55a6170b404f 185 def reset(self):
nexpaq 1:55a6170b404f 186 r = self.mbed.rpc(self.name, "reset", [])
nexpaq 1:55a6170b404f 187
nexpaq 1:55a6170b404f 188 def read(self):
nexpaq 1:55a6170b404f 189 r = self.mbed.rpc(self.name, "read", [])
nexpaq 1:55a6170b404f 190 return float(re.search('\d+\.*\d*', r).group(0))
nexpaq 1:55a6170b404f 191
nexpaq 1:55a6170b404f 192 def read_ms(self):
nexpaq 1:55a6170b404f 193 r = self.mbed.rpc(self.name, "read_ms", [])
nexpaq 1:55a6170b404f 194 return float(re.search('\d+\.*\d*', r).group(0))
nexpaq 1:55a6170b404f 195
nexpaq 1:55a6170b404f 196 def read_us(self):
nexpaq 1:55a6170b404f 197 r = self.mbed.rpc(self.name, "read_us", [])
nexpaq 1:55a6170b404f 198 return float(re.search('\d+\.*\d*', r).group(0))
nexpaq 1:55a6170b404f 199
nexpaq 1:55a6170b404f 200 # Serial
nexpaq 1:55a6170b404f 201 class Serial():
nexpaq 1:55a6170b404f 202 def __init__(self, this_mbed, tx, rx=""):
nexpaq 1:55a6170b404f 203 self.mbed = this_mbed
nexpaq 1:55a6170b404f 204 if isinstance(tx, str):
nexpaq 1:55a6170b404f 205 self.name = tx
nexpaq 1:55a6170b404f 206
nexpaq 1:55a6170b404f 207 def __del__(self):
nexpaq 1:55a6170b404f 208 r = self.mbed.rpc(self.name, "delete", [])
nexpaq 1:55a6170b404f 209
nexpaq 1:55a6170b404f 210 def baud(self, value):
nexpaq 1:55a6170b404f 211 r = self.mbed.rpc(self.name, "baud", [str(value)])
nexpaq 1:55a6170b404f 212
nexpaq 1:55a6170b404f 213 def putc(self, value):
nexpaq 1:55a6170b404f 214 r = self.mbed.rpc(self.name, "putc", [str(value)])
nexpaq 1:55a6170b404f 215
nexpaq 1:55a6170b404f 216 def puts(self, value):
nexpaq 1:55a6170b404f 217 r = self.mbed.rpc(self.name, "puts", ["\"" + str(value) + "\""])
nexpaq 1:55a6170b404f 218
nexpaq 1:55a6170b404f 219 def getc(self):
nexpaq 1:55a6170b404f 220 r = self.mbed.rpc(self.name, "getc", [])
nexpaq 1:55a6170b404f 221 return int(r)
nexpaq 1:55a6170b404f 222
nexpaq 1:55a6170b404f 223
nexpaq 1:55a6170b404f 224 def wait(s):
nexpaq 1:55a6170b404f 225 time.sleep(s)