Per port power limiting (#193)

Author: chrisruk

buildhat/color.py

@@ -210,4 +210,4 @@ def wait_for_new_color(self):
 
     def on(self):
         """Turn on the sensor and LED"""
-        self._write(f"port {self.port} ; plimit 1 ; set -1\r")
+        self.reverse()

buildhat/colordistance.py

@@ -199,4 +199,4 @@ def wait_for_new_color(self):
 
     def on(self):
         """Turn on the sensor and LED"""
-        self._write(f"port {self.port} ; plimit 1 ; set -1\r")
+        self.reverse()

buildhat/devices.py

@@ -188,7 +188,7 @@ def isconnected(self):
 
     def reverse(self):
         """Reverse polarity"""
-        self._write(f"port {self.port} ; plimit 1 ; set -1\r")
+        self._write(f"port {self.port} ; port_plimit 1 ; set -1\r")
 
     def get(self):
         """Extract information from device
@@ -253,7 +253,7 @@ def select(self):
 
     def on(self):
         """Turn on sensor"""
-        self._write(f"port {self.port} ; plimit 1 ; on\r")
+        self._write(f"port {self.port} ; port_plimit 1 ; on\r")
 
     def off(self):
         """Turn off sensor"""

buildhat/motors.py

@@ -71,7 +71,7 @@ def plimit(self, plimit):
         """
         if not (plimit >= 0 and plimit <= 1):
             raise MotorError("plimit should be 0 to 1")
-        self._write(f"port {self.port} ; plimit {plimit}\r")
+        self._write(f"port {self.port} ; port_plimit {plimit}\r")
 
     def bias(self, bias):
         """Bias motor
@@ -413,7 +413,7 @@ def plimit(self, plimit):
         """
         if not (plimit >= 0 and plimit <= 1):
             raise MotorError("plimit should be 0 to 1")
-        self._write(f"port {self.port} ; plimit {plimit}\r")
+        self._write(f"port {self.port} ; port_plimit {plimit}\r")
 
     def bias(self, bias):
         """Bias motor