Merge pull request #1212 from sarahmarshy/master

RPC update - rebased with mbed master
pull/1219/head
Martin Kojtal 2015-07-01 08:54:48 +01:00
commit 3023035d2e
1 changed files with 154 additions and 121 deletions

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@ -1,4 +1,4 @@
#mbedRPC.py - mbed RPC interface for Python # mbedRPC.py - mbed RPC interface for Python
# #
##Copyright (c) 2010 ARM Ltd ##Copyright (c) 2010 ARM Ltd
## ##
@ -20,173 +20,206 @@
##OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN ##OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
##THE SOFTWARE. ##THE SOFTWARE.
# #
#Example: # Example:
#>from mbedRPC import* # >from mbedRPC import*
#>mbed = SerialRPC("COM5",9600) # >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 = 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) # >myled.write(1)
#> # >
import serial, urllib2, time import serial, urllib2, time
#mbed super class # mbed super class
class mbed: class mbed:
def __init__(self): def __init__(self):
print("This will work as a demo but no transport mechanism has been selected") 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 def rpc(self, name, method, args):
print("Superclass method not overridden")
# Transport mechanisms, derived from mbed
class SerialRPC(mbed): class SerialRPC(mbed):
def __init__(self, port, baud):
self.ser = serial.Serial(port)
self.ser.setBaudrate(baud)
def __init__(self,port, baud): def rpc(self, name, method, args):
self.ser = serial.Serial(port) # creates the command to be sent serially - /name/method arg1 arg2 arg3 ... argN
self.ser.setBaudrate(baud) 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
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): class HTTPRPC(mbed):
def __init__(self, ip):
self.host = "http://" + ip
def __init__(self, ip): def rpc(self, name, method, args):
self.host = "http://" + ip response = urllib2.urlopen(self.host + "/rpc/" + name + "/" + method + "%20" + "%20".join(args))
return response.read().strip()
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
#generic mbed interface super class
class mbed_interface(): class mbed_interface():
#initialize an mbed interface with a transport mechanism and pin name # initialize an mbed interface with a transport mechanism and pin name
def __init__(self, this_mbed , mpin): def __init__(self, this_mbed, mpin):
self.mbed = this_mbed self.mbed = this_mbed
if isinstance(mpin,str): if isinstance(mpin, str):
self.name = mpin self.name = mpin
def __del__(self):
r = self.mbed.rpc(self.name, "delete", []) def __del__(self):
#create new RPC object r = self.mbed.rpc(self.name, "delete", [])
def new(self, class_name, pin, name):
r = self.mbed.rpc(class_name, "new", [pin, name]) def new(self, class_name, name, pin1, pin2 = "", pin3 = ""):
#generic read args = [arg for arg in [pin1,pin2,pin3,name] if arg != ""]
def read(self): r = self.mbed.rpc(class_name, "new", args)
r = self.mbed.rpc(self.name, "read", [])
return int(r) # generic read
def read(self):
#for classes that need write functionality - inherits from the generic reading interface 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): class mbed_interface_write(mbed_interface):
def __init__(self, this_mbed, mpin):
def __init__(self, this_mbed , mpin): mbed_interface.__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 # generic write
def write(self, value):
r = self.mbed.rpc(self.name, "write", [str(value)])
# mbed interfaces
class DigitalOut(mbed_interface_write): class DigitalOut(mbed_interface_write):
def __init__(self, this_mbed, mpin):
mbed_interface_write.__init__(self, this_mbed, mpin)
def __init__(self, this_mbed , mpin):
mbed_interface_write.__init__(self,this_mbed,mpin)
class AnalogIn(mbed_interface): class AnalogIn(mbed_interface):
def __init__(self, this_mbed, mpin):
mbed_interface.__init__(self, this_mbed, mpin)
def __init__(self, this_mbed , mpin): def read_u16(self):
mbed_interface.__init__(self,this_mbed,mpin) r = self.mbed.rpc(self.name, "read_u16", [])
return int(r)
def read_u16(self):
r = self.mbed.rpc(self.name, "read_u16", [])
return int(r)
class AnalogOut(mbed_interface_write): class AnalogOut(mbed_interface_write):
def __init__(self, this_mbed, mpin):
mbed_interface_write.__init__(self, this_mbed, mpin)
def __init__(self, this_mbed , mpin): def write_u16(self, value):
mbed_interface_write.__init__(self,this_mbed,mpin) self.mbed.rpc(self.name, "write_u16", [str(value)])
def write_u16(self, value): def read(self):
self.mbed.rpc(self.name, "write_u16", [str(value)]) r = self.mbed.rpc(self.name, "read", [])
return float(r)
def read(self):
r = self.mbed.rpc(self.name, "read", [])
return float(r)
class DigitalIn(mbed_interface): class DigitalIn(mbed_interface):
def __init__(self, this_mbed, mpin):
mbed_interface.__init__(self, this_mbed, mpin)
def __init__(self, this_mbed , mpin):
mbed_interface.__init__(self,this_mbed,mpin)
class PwmOut(mbed_interface_write): class PwmOut(mbed_interface_write):
def __init__(self, this_mbed, mpin):
def __init__(self, this_mbed , mpin): mbed_interface_write.__init__(self, this_mbed, mpin)
mbed_interface_write.__init__(self,this_mbed,mpin)
def read(self): def read(self):
r = self.mbed.rpc(self.name, "read", []) r = self.mbed.rpc(self.name, "read", [])
return r return r
def period(self, value): def period(self, value):
self.mbed.rpc(self.name, "period", [str(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): def period_ms(self, value):
self.mbed.rpc(self.name, "period_us", [str(value)]) self.mbed.rpc(self.name, "period_ms", [str(value)])
def pulsewidth(self, value): def period_us(self, value):
self.mbed.rpc(self.name, "pulsewidth", [str(value)]) self.mbed.rpc(self.name, "period_us", [str(value)])
def pulsewidth_ms(self, value): def pulsewidth(self, value):
self.mbed.rpc(self.name, "pulsewidth_ms", [str(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)])
def pulsewidth_us(self, value):
self.mbed.rpc(self.name, "pulsewidth_us", [str(value)])
class RPCFunction(mbed_interface): class RPCFunction(mbed_interface):
def __init__(self, this_mbed, name):
mbed_interface.__init__(self, this_mbed, name)
def __init__(self, this_mbed , name): def run(self, input):
mbed_interface.__init__(self,this_mbed,name) r = self.mbed.rpc(self.name, "run", [input])
return r
def run(self, input):
r = self.mbed.rpc(self.name, "run", [input])
return r
class RPCVariable(mbed_interface_write): class RPCVariable(mbed_interface_write):
def __init__(self, this_mbed, name):
mbed_interface_write.__init__(self, this_mbed, name)
def __init__(self, this_mbed , name): def read(self):
mbed_interface_write.__init__(self,this_mbed,name) r = self.mbed.rpc(self.name, "read", [])
return r
def read(self): class Timer(mbed_interface):
r = self.mbed.rpc(self.name, "read", []) def __init__(self, this_mbed, name):
return r mbed_interface.__init__(self, this_mbed, name)
#Serial
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(): class Serial():
def __init__(self, this_mbed, tx, rx=""):
def __init__(self, this_mbed , tx, rx = ""): self.mbed = this_mbed
self.mbed = this_mbed if isinstance(tx, str):
if isinstance(tx, str): self.name = tx
self.name = tx
def __del__(self):
r = self.mbed.rpc(self.name, "delete", [])
def putc(self, value): def __del__(self):
r = self.mbed.rpc(self.name, "putc", [str(value)]) r = self.mbed.rpc(self.name, "delete", [])
def puts(self, value): def baud(self, value):
r = self.mbed.rpc(self.name, "puts", [ "\"" + str(value) + "\""]) r = self.mbed.rpc(self.name, "baud", [str(value)])
def getc(self): def putc(self, value):
r = self.mbed.rpc(self.name, "getc", []) r = self.mbed.rpc(self.name, "putc", [str(value)])
return int(r)
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): def wait(s):
time.sleep(s) time.sleep(s)