Pypcc2

I propose to merge the refactored version that works with arrays back to master to make it the main version.

I2Cbitbang.py

-from I2Cdevices import *;
-import numpy as np
-import logging
-
-class I2Cbitbang(I2Cdevices):
-   def I2CSet(self,dev,reg,value,I2Ccallback,width=8,bitoffset=0):
-#   def I2Cset(self,D,name,reg,data,I2Ccallback,dev_number=0):
-          Dev=Find(self.D['I2C_devices'],'dev_name',dev)    
-          Reg=Find(Dev['dev_registers'],'reg_name',reg)  
-          regnr=Reg['reg_addr']
-          Addr=Dev['dev_address'];
-#          data2=[Addr<<1,regnr]+data;
-          data2=[Addr<<1]+int2bytes(regnr)+value
-#          logging.info("%s",data2)
-          I2Ccallback('SDO',0) 
-          I2Ccallback('SCL',1) 
-          if not(I2CbbTX(data2,I2Ccallback)): return False;
-          data2=[(Addr<<1)+1];
-          data3=[0]
-          if not(I2CbbRX(data2,data3,I2Ccallback)): return False;
-          if data3[0]!=0x80:
-              logging.error("Expected Ack 0x80, received: %s",data3); 
-              return False;
-          logging.info("Si4012 TX success!")
-          return True;
-   def I2CGet(self,dev,reg,value,I2Ccallback,width=8,bitoffset=0):
-          SPI=Find(self.D['I2C_devices'],'dev_name',dev)
-          dev_number=0;
-          Reg=Find(SPI['dev_registers'],'reg_name',reg)  
-          Addr=SPI['dev_address'];
-          regnr=Reg['reg_addr']
-          data2=[Addr<<1]+int2bytes(regnr)
-          if (len(data2)==3) and (data2[1]==17): 
-                     data2[1]=18; #SI4012 hack as get is one higher than set
-                     width+=1; #hack to ignore first ack byte
-#          while regnr>255: 
-#              data2=[regnr%256]+data2;
-#              regnr=int(regnr/256);
-#          data2=[Addr<<1,regnr]+data2;
-#          logging.info("%s %s %s",data2,Addr,Reg['reg_addr']);
-          if not(I2CbbTX(data2,I2Ccallback)): return False;
-#          return False;
-          data2=[(Addr<<1)+1];
-          l1=int(np.floor((width+bitoffset+7)/8))
-          makesinglevalue=((len(value)==1) and (l1>1));
-          if makesinglevalue: data3=[0 for x in range(l1)]
-          else: data3=value
-          if not(I2CbbRX(data2,data3,I2Ccallback)): return False;
-          if makesinglevalue: value[0]=bytes2int(data3)
-          else: value[:]=data3[:];
-          if (width!=l1*8) or (bitoffset>0): 
-            value[0]=UnMask(value[0],width,bitoffset)      
-          #logging.info("Received: %s",data3); 
-          return True;
-
-
-def I2CbbTX(data2,SetBit):
-          SetBit('SDIOdir',1) #Input, should be high
-          if SetBit('SDI',0,True)==0: 
-                      logging.error("I2C line low!")
-                      return False;
-          #Start
-          SetBit('SDIOdir',0) #Output = low
-          SetBit('SCL',0) 
-
-          for b in data2:
-             bit_array = "{0:{fill}8b}".format(b, fill='0')
-             #logging.info(bit_array)
-             for bit in bit_array:
-                 SetBit('SDIOdir',int(bit)) #input=high, output=low 
-                 SetBit('SCL',1) 
-                 SetBit('SCL',0)
-             SetBit('SDIOdir',1) #Input
-             #logging.info(GetBit(SDI))
-             if SetBit('SDI',0,True)==1: 
-                      logging.error("I2C: Not ACK")
-                      return False;
-             SetBit('SCL',1)
-             #logging.info(GetBit(SDI))
-             SetBit('SCL',0)
-#             SetBit(SDIOdir,0) #Output
- 
-          #Stop
-          SetBit('SDIOdir',0) #Low
-          SetBit('SCL',1) 
-          SetBit('SDIOdir',1) #High
-          return True
-
-def I2CbbRX(data1,data2,SetBit):
-          SetBit('SDIOdir',1) #Input, should be high
-          if SetBit('SDI',0,True)==0: 
-                      logging.error("I2C ack: line low!")
-                      return False;
-          #Start
-          SetBit('SDIOdir',0) #Output = low
-          SetBit('SCL',0) 
-
-
-          for b in data1:
-             bit_array = "{0:{fill}8b}".format(b, fill='0')
-             #logging.info(bit_array)
-             for bit in bit_array:
-                 SetBit('SDIOdir',int(bit)) #input=high, output=low 
-                 SetBit('SCL',1) 
-                 SetBit('SCL',0)
-             SetBit('SDIOdir',1) #Input
-             #logging.info(GetBit(SDI))
-             if SetBit('SDI',0,True)==1: 
-                      logging.error("I2C: Not ACK")
-                      return False;
-             SetBit('SCL',1)
-             #logging.info(GetBit(SDI))
-             SetBit('SCL',0)
-
-          for x in range(len(data2)):
-            readbit='';
-            SetBit('SDIOdir',1) #Input
-            for bit in range(8):
-              SetBit('SCL',1)
-              readbit+=str(SetBit('SDI',0,True))
-              SetBit('SCL',0)
-            if x<len(data2)-1:       
-               SetBit('SDIOdir',0) #Output
-            else:  #last one = not-ack
-               SetBit('SDIOdir',1) #Output
-            SetBit('SCL',1)
-            SetBit('SCL',0)
-            data2[x]=int(readbit,2)
-
-          #Stop
-          SetBit('SDIOdir',0) #Output = low
-          SetBit('SCL',1) 
-          SetBit('SDIOdir',1) #Input = high
-          return True;