externals/hardware/arduino/Pd_firmware Pd_firmware.pde, 1.12, 1.13 - Pd-cvs

25 Aug 2006


      Update of /cvsroot/pure-data/externals/hardware/arduino/Pd_firmware
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv14592/Pd_firmware
Modified Files:
    Pd_firmware.pde 
Log Message:
got digital inputs working, but needed to make some changes on the order of data coming in, including the analog data
Index: Pd_firmware.pde
===================================================================
RCS file: /cvsroot/pure-data/externals/hardware/arduino/Pd_firmware/Pd_firmware.pde,v
retrieving revision 1.12
retrieving revision 1.13
diff -C2 -d -r1.12 -r1.13
*** Pd_firmware.pde	24 Aug 2006 14:48:21 -0000	1.12
--- Pd_firmware.pde	25 Aug 2006 06:18:18 -0000	1.13
***************
*** 121,139 ****
  /* Arduino->Computer byte cycle
   * ----------------------
!  * 0  start of cycle marker (255/11111111)
!  * 1  digital read from Arduino // 0-6 bitmask
!  * 2  digital read from Arduino // 7-13 bitmask
!  * 3  analog input pin 0 from Arduino // byte 0 
!  * 4  analog input pin 1 from Arduino // byte 1 
!  * 5  analog input pin 2 from Arduino // byte 2 
!  * 6  analog input pin 3 from Arduino // byte 3 
!  * 7  analog input pin 4 from Arduino // byte 4 
!  * 8  analog input pin 5 from Arduino // byte 5 
!  * 9  analog input pin 6 from Arduino // byte 6 
!  * 10  analog input pin 7 from Arduino // byte 10 
!  * 11  analog input pin 8 from Arduino // byte 11 
!  * 12  analog input pin 9 from Arduino // byte 12 
!  * 13  analog input pin 10 from Arduino // byte 13 
!  * 14  analog input pin 11 from Arduino // byte 14 
   */
--- 121,139 ----
  /* Arduino->Computer byte cycle
   * ----------------------
!  * 0   start of cycle marker (255/11111111)
!  * 1   digital read from Arduino // 0-6 bitmask
!  * 2   digital read from Arduino // 7-13 bitmask
!  * 3   low byte from analog input pin 0
!  * 4   high byte from analog input pin 0 
!  * 5   low byte from analog input pin 1
!  * 6   high byte from analog input pin 1 
!  * 7   low byte from analog input pin 2
!  * 8   high byte from analog input pin 2 
!  * 9   low byte from analog input pin 3
!  * 10  high byte from analog input pin 3 
!  * 11  low byte from analog input pin 4
!  * 12  high byte from analog input pin 4 
!  * 13  low byte from analog input pin 5
!  * 14  high byte from analog input pin 5 
   */
***************
*** 179,189 ****
    byte i;
    byte digitalPin;
!   byte digitalPinBit;
!   byte transmitByte;
    byte digitalData;
for(i=0;i<7;++i) {
      digitalPin = i+startPin;
!     digitalPinBit = OUTPUT << digitalPin;
      // only read the pin if its set to input
      if(digitalPinStatus & digitalPinBit) {
--- 179,189 ----
    byte i;
    byte digitalPin;
! //  byte digitalPinBit;
!   byte transmitByte = 0;
    byte digitalData;
for(i=0;i<7;++i) {
      digitalPin = i+startPin;
! /*    digitalPinBit = OUTPUT << digitalPin;
      // only read the pin if its set to input
      if(digitalPinStatus & digitalPinBit) {
***************
*** 192,202 ****
      else if( (digitalPin >= 9) && (pwmStatus & (1 << digitalPin)) ) {
        digitalData = 0; // pin set to PWM, don't read
      }
-     else {
-       digitalData = digitalRead(digitalPin);
-     }
-     /* the next line probably needs to be re-thought (i.e. it might not work...) since my 
-        first attempt was miserably wrong.  hans@at.or.at */
-     transmitByte = transmitByte + ((2^i)*digitalData);
    }
    printByte(transmitByte);
--- 192,200 ----
      else if( (digitalPin >= 9) && (pwmStatus & (1 << digitalPin)) ) {
        digitalData = 0; // pin set to PWM, don't read
+     }*/
+     if( !(digitalPinStatus & (1 << digitalPin)) ) {
+       digitalData = (byte) digitalRead(digitalPin);
+       transmitByte = transmitByte + ((1 << i) * digitalData);
      }
    }
    printByte(transmitByte);
***************
*** 413,417 ****
    byte i;
!   beginSerial(9600);
    for(i=0; i<TOTAL_DIGITAL_PINS; ++i) {
      setPinMode(i,INPUT);
--- 411,415 ----
    byte i;
!   beginSerial(19200);
    for(i=0; i<TOTAL_DIGITAL_PINS; ++i) {
      setPinMode(i,INPUT);
***************
*** 443,448 ****
      // these two bytes get converted back into the whole number in Pd
      // the higher bits should be zeroed so that the 8th bit doesn't get set
-     printByte(analogData >> 7);  // bitshift the big stuff into the output byte
      printByte(analogData % 128);  // mod by 32 for the small byte
      checkForInput();
    }
--- 441,446 ----
      // these two bytes get converted back into the whole number in Pd
      // the higher bits should be zeroed so that the 8th bit doesn't get set
      printByte(analogData % 128);  // mod by 32 for the small byte
+     printByte(analogData >> 7);  // bitshift the big stuff into the output byte
      checkForInput();
    }