Change the AVRISP project's RESET LINE makefile tokens to AUX LINE, as it is not always used for target reset.

Projects/AVRISP-MKII/AVRISP.txt

@@ -109,7 +109,7 @@
  *  </table>
  *
  *  <b><sup>1</sup></b> <i>Optional, see \ref SSec_Options section - for USB AVRs with ADC modules only</i> \n
- *  <b><sup>2</sup></b> <i>See \ref SSec_Options section</i>
+ *  <b><sup>2</sup></b> <i>See AUX line related tokens in the \ref SSec_Options section</i>
  *
  *  \section Sec_PDI PDI Connections
  *  Connections to the device for PDI programming<b><sup>1</sup></b> (when enabled):
@@ -153,7 +153,8 @@
  *  </table>
  *
  *  <b><sup>1</sup></b> <i>When XPROG_VIA_HARDWARE_USART is set, the AVR's Tx and Rx become the DATA line when connected together
- *                         via a pair of 300 ohm resistors, and the AVR's XCK pin becomes CLOCK.</i>
+ *                         via a pair of 300 ohm resistors, and the AVR's XCK pin becomes CLOCK.</i> \n
+ *  <b><sup>2</sup></b> <i>See AUX line related tokens in the \ref SSec_Options section</i>
  *
  *  \section Sec_TPI TPI Connections
  *  Connections to the device for TPI programming<b><sup>1</sup></b> (when enabled):
@@ -197,7 +198,8 @@
  *  </table>
  *
  *  <b><sup>1</sup></b> <i>When XPROG_VIA_HARDWARE_USART is set, the AVR's Tx and Rx become the DATA line when connected together
- *                         via a pair of 300 ohm resistors, and the AVR's XCK pin becomes CLOCK.</i>
+ *                         via a pair of 300 ohm resistors, and the AVR's XCK pin becomes CLOCK.</i> \n
+ *  <b><sup>2</sup></b> <i>See AUX line related tokens in the \ref SSec_Options section</i>
  *
  *  \section SSec_Options Project Options
  *
@@ -210,27 +212,29 @@
  *    <td><b>Description:</b></td>
  *   </tr>
  *   <tr>
- *    <td>RESET_LINE_PORT</td>
+ *    <td>AUX_LINE_PORT</td>
  *    <td>Makefile CDEFS</td>
- *    <td>PORT register for the programmer's target RESET line. <i>Ignored when compiled for the XPLAIN board.</i></td>
+ *    <td>PORT register for the programmer's AUX target line. The use of this line varies between the programming protocols,
+ *        but is generally used for the target's /RESET line. <i>Ignored when compiled for the XPLAIN board.</i></td>
  *   </tr>
  *   <tr>
- *    <td>RESET_LINE_PIN</td>
+ *    <td>AUX_LINE_PIN</td>
  *    <td>Makefile CDEFS</td>
- *    <td>PIN register for the programmer's target RESET line. <i>Ignored when compiled for the XPLAIN board.</i></td>
+ *    <td>PIN register for the programmer's AUX target line. The use of this line varies between the programming protocols,
+ *        but is generally used for the target's /RESET line. <i>Ignored when compiled for the XPLAIN board.</i></td>
  *   </tr>
  *   <tr>
- *    <td>RESET_LINE_DDR</td>
+ *    <td>AUX_LINE_DDR</td>
  *    <td>Makefile CDEFS</td>
- *    <td>DDR register for the programmer's target RESET line. <i>Ignored when compiled for the XPLAIN board.</i></td>
+ *    <td>DDR register for the programmer's AUX target line. The use of this line varies between the programming protocols,
+ *        but is generally used for the target's /RESET line. <i>Ignored when compiled for the XPLAIN board.</i></td>
  *   </tr>
  *   <tr>
- *    <td>RESET_LINE_MASK</td>
+ *    <td>AUX_LINE_MASK</td>
  *    <td>Makefile CDEFS</td>
- *    <td>Mask for the programmer's target RESET line on the chosen port. <b>Must not be the AVR's /SS pin</b>, as the
+ *    <td>Mask for the programmer's AUX target line. The use of this line varies between the programming protocols,
- *        target pins are tri-stated when not in use, and low signals on the /SS pin will force SPI slave mode when the
+ *        but is generally used for the target's /RESET line. <b>Must not be the AVR's /SS pin</b>. <i>Ignored when
- *        pin is configured as an input. When in PDI programming mode, this is the target clock pin.
+ *        compiled for the XPLAIN board.</i></td>
- *        <i>Ignored when compiled for the XPLAIN board.</i></td>
  *   </tr>
  *   <tr>
  *    <td>VTARGET_ADC_CHANNEL</td>
@@ -252,7 +256,7 @@
  *    <td>Makefile CDEFS</td>
  *    <td>Define to force the PDI and TPI protocols (when enabled) to use the much faster hardware USART instead of bit-banging
  *        to match the official AVRISP pinout. This breaks pinout compatibility with the official AVRISP MKII (and requires 
- *        seperate ISP and PDI/TPI programming headers) but increases programming speed dramatically.
+ *        seperate ISP, PDI, and TPI programming headers) but increases programming speed dramatically.
  *        <i>Ignored when compiled for the XPLAIN board.</i></td>  
  *   </tr>
  *  </table>

Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c

@@ -84,15 +84,15 @@ void ISPTarget_ChangeTargetResetLine(const bool ResetTarget)
 {
 	if (ResetTarget)
 	{
-		RESET_LINE_DDR |= RESET_LINE_MASK;
+		AUX_LINE_DDR |= AUX_LINE_MASK;
 		
 		if (!(V2Params_GetParameterValue(PARAM_RESET_POLARITY)))
-		  RESET_LINE_PORT |= RESET_LINE_MASK;
+		  AUX_LINE_PORT |= AUX_LINE_MASK;
 	}
 	else
 	{
-		RESET_LINE_DDR  &= ~RESET_LINE_MASK;
+		AUX_LINE_DDR  &= ~AUX_LINE_MASK;
-		RESET_LINE_PORT &= ~RESET_LINE_MASK;
+		AUX_LINE_PORT &= ~AUX_LINE_MASK;
 	}
 }
 
@@ -144,7 +144,7 @@ uint8_t ISPTarget_WaitForProgComplete(const uint8_t ProgrammingMode, const uint1
 }
 
 /** Waits until the target has completed the last operation, by continuously polling the device's
- *  BUSY flag until it is cleared, or until the \ref TARGET_BUSY_TIMEOUT_MS timeout period has expired.
+ *  BUSY flag until it is cleared, or until the command timeout period has expired.
  *
  *  \return V2 Protocol status \ref STATUS_CMD_OK if the no timeout occurred, \ref STATUS_RDY_BSY_TOUT otherwise
  */

Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c

@@ -189,8 +189,8 @@ void XPROGTarget_EnableTargetTPI(void)
 	IsSending = false;
 
 	/* Set /RESET line low for at least 90ns to enable TPI functionality */
-	RESET_LINE_DDR  |= RESET_LINE_MASK;
+	AUX_LINE_DDR  |=  AUX_LINE_MASK;
-	RESET_LINE_PORT &= ~RESET_LINE_MASK;
+	AUX_LINE_PORT &= ~AUX_LINE_MASK;
 	asm volatile ("NOP"::);
 	asm volatile ("NOP"::);
 
@@ -269,8 +269,8 @@ void XPROGTarget_DisableTargetTPI(void)
 #endif
 
 	/* Tristate target /RESET line */
-	RESET_LINE_DDR  &= ~RESET_LINE_MASK;
+	AUX_LINE_DDR  &= ~AUX_LINE_MASK;
-	RESET_LINE_PORT &= ~RESET_LINE_MASK;
+	AUX_LINE_PORT &= ~AUX_LINE_MASK;
 }
 
 /** Sends a byte via the USART.

Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h

@@ -63,10 +63,10 @@
 			#define BITBANG_PDIDATA_PIN      PINB
 			#define BITBANG_PDIDATA_MASK     (1 << 3)
 			
-			#define BITBANG_PDICLOCK_PORT    RESET_LINE_PORT
+			#define BITBANG_PDICLOCK_PORT    AUX_LINE_PORT
-			#define BITBANG_PDICLOCK_DDR     RESET_LINE_DDR
+			#define BITBANG_PDICLOCK_DDR     AUX_LINE_DDR
-			#define BITBANG_PDICLOCK_PIN     RESET_LINE_PIN
+			#define BITBANG_PDICLOCK_PIN     AUX_LINE_PIN
-			#define BITBANG_PDICLOCK_MASK    RESET_LINE_MASK
+			#define BITBANG_PDICLOCK_MASK    AUX_LINE_MASK
 
 			#define BITBANG_TPIDATA_PORT     PORTB
 			#define BITBANG_TPIDATA_DDR      DDRB

Projects/AVRISP-MKII/makefile

@@ -191,10 +191,10 @@ CSTANDARD = -std=gnu99
 
 # Place -D or -U options here for C sources
 CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
-CDEFS += -DRESET_LINE_PORT=PORTB
+CDEFS += -DAUX_LINE_PORT=PORTB
-CDEFS += -DRESET_LINE_PIN=PINB
+CDEFS += -DAUX_LINE_PIN=PINB
-CDEFS += -DRESET_LINE_DDR=DDRB
+CDEFS += -DAUX_LINE_DDR=DDRB
-CDEFS += -DRESET_LINE_MASK="(1 << 4)"
+CDEFS += -DAUX_LINE_MASK="(1 << 4)"
 CDEFS += -DVTARGET_ADC_CHANNEL=2
 CDEFS += -DENABLE_ISP_PROTOCOL
 CDEFS += -DENABLE_XPROG_PROTOCOL