X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/2c806f6ceee42db9094eb11f3f32524b98440726..0da99447d3e88e83f9977501bee56af5c7aa56c0:/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c

diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c
index fbced3869..6bf74c872 100644
--- a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c
+++ b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c
@@ -7,7 +7,7 @@
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -129,9 +129,12 @@ ISR(TIMER1_COMPA_vect, ISR_BLOCK)
 	{
 		SoftSPI_Data <<= 1;
 
-		if (!(SoftSPI_BitsRemaining--))
-		  TCCR1B = 0;
-
+		if (!(--SoftSPI_BitsRemaining))
+		{
+			TCCR1B = 0;
+			TIFR1  = (1 << OCF1A);
+		}
+		
 		if (PINB & (1 << 3))
 		  SoftSPI_Data |= (1 << 0);
 	}
@@ -251,7 +254,7 @@ uint8_t ISPTarget_TransferSoftSPIByte(const uint8_t Byte)
 
 	TCNT1  = 0;
 	TCCR1B = ((1 << WGM12) | (1 << CS11));
-	while (SoftSPI_BitsRemaining && !(TimeoutExpired));
+	while (SoftSPI_BitsRemaining && TimeoutTicksRemaining);
 	TCCR1B = 0;
 
 	return SoftSPI_Data;
@@ -293,9 +296,9 @@ uint8_t ISPTarget_WaitWhileTargetBusy(void)
 		ISPTarget_SendByte(0x00);
 		ISPTarget_SendByte(0x00);
 	}
-	while ((ISPTarget_ReceiveByte() & 0x01) && !(TimeoutExpired));
+	while ((ISPTarget_ReceiveByte() & 0x01) && TimeoutTicksRemaining);
 
-	return (TimeoutExpired) ? STATUS_RDY_BSY_TOUT : STATUS_CMD_OK;
+	return (TimeoutTicksRemaining > 0) ? STATUS_CMD_OK : STATUS_RDY_BSY_TOUT;
 }
 
 /** Sends a low-level LOAD EXTENDED ADDRESS command to the target, for addressing of memory beyond the
@@ -345,10 +348,10 @@ uint8_t ISPTarget_WaitForProgComplete(const uint8_t ProgrammingMode,
 				ISPTarget_SendByte(PollAddress >> 8);
 				ISPTarget_SendByte(PollAddress & 0xFF);
 			}
-			while ((ISPTarget_TransferByte(0x00) == PollValue) && !(TimeoutExpired));
+			while ((ISPTarget_TransferByte(0x00) == PollValue) && TimeoutTicksRemaining);
 
-			if (TimeoutExpired)
-			 ProgrammingStatus = STATUS_CMD_TOUT;
+			if (!(TimeoutTicksRemaining))
+			  ProgrammingStatus = STATUS_CMD_TOUT;
 
 			break;
 		case PROG_MODE_WORD_READYBUSY_MASK:
@@ -358,7 +361,7 @@ uint8_t ISPTarget_WaitForProgComplete(const uint8_t ProgrammingMode,
 	}
 
 	/* Program complete - reset timeout */
-	wdt_reset();
+	TimeoutTicksRemaining = COMMAND_TIMEOUT_TICKS;
 
 	return ProgrammingStatus;
 }