Fix TPI mode chip erase code not properly erasing the target memory space.

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

@@ -188,18 +188,25 @@ bool TINYNVM_WriteMemory(const uint16_t WriteAddress, uint8_t* WriteBuffer, uint
 }
 
 /** Erases the target's memory space.
+ *
+ *  \param[in] Address  Address inside the memory space to erase
  *
  *  \return Boolean true if the command sequence complete successfully
  */
-bool TINYNVM_EraseMemory(void)
+bool TINYNVM_EraseMemory(const uint8_t EraseCommand, const uint16_t Address)
 {
 	/* Wait until the NVM controller is no longer busy */
 	if (!(TINYNVM_WaitWhileNVMControllerBusy()))
 	  return false;
 
-	/* Set the NVM control register to the CHIP ERASE command to erase the target */
+	/* Set the NVM control register to the target memory erase command */
 	TINYNVM_SendWriteNVMRegister(XPROG_Param_NVMCMDRegAddr);
-	XPROGTarget_SendByte(TINY_NVM_CMD_CHIPERASE);	
+	XPROGTarget_SendByte(EraseCommand);
+
+	/* Write to a location within the target address space to start the erase process */
+	TINYNVM_SendPointerAddress(Address);
+	XPROGTarget_SendByte(TPI_CMD_SST | TPI_POINTER_INDIRECT);
+	XPROGTarget_SendByte(0x00);
 
 	/* Wait until the NVM bus is ready again */
 	if (!(TINYNVM_WaitWhileNVMBusBusy()))

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

@@ -65,7 +65,7 @@
 		bool TINYNVM_WaitWhileNVMBusBusy(void);
 		bool TINYNVM_ReadMemory(const uint16_t ReadAddress, uint8_t* ReadBuffer, uint16_t ReadLength);
 		bool TINYNVM_WriteMemory(const uint16_t WriteAddress, uint8_t* WriteBuffer, uint16_t WriteLength);
-		bool TINYNVM_EraseMemory(void);
+		bool TINYNVM_EraseMemory(const uint8_t EraseCommand, const uint16_t Address);
 
 		#if defined(INCLUDE_FROM_TINYNVM_C)
 			static void TINYNVM_SendReadNVMRegister(const uint8_t Address);

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

@@ -237,7 +237,7 @@ static void XPROGProtocol_Erase(void)
 	else
 	{
 		/* Erase the target memory, indicate timeout if ocurred */
-		if (!(TINYNVM_EraseMemory()))
+		if (!(TINYNVM_EraseMemory(TINY_NVM_CMD_CHIPERASE, Erase_XPROG_Params.Address)))
 		  ReturnStatus = XPRG_ERR_TIMEOUT;
 	}