X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/ab195ab1da1da75a3a23d47b56c66d14803a9de3..f79f9abd28040d839b02ea22cdfde3d0a34f3482:/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c?ds=inline

diff --git a/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c b/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c
index 0ab297538..c0f04c6bd 100644
--- a/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c
+++ b/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c
@@ -65,7 +65,7 @@ static void TINYNVM_SendReadNVMRegister(const uint8_t Address)
  */
 static void TINYNVM_SendWriteNVMRegister(const uint8_t Address)
 {
-	/* The TPI command for writing to the I/O space uses weird addressing, where the I/O address's upper
+	/* The TPI command for reading from the I/O space uses strange addressing, where the I/O address's upper
 	 * two bits of the 6-bit address are shifted left once */
 	XPROGTarget_SendByte(TPI_CMD_SOUT | ((Address & 0x30) << 1) | (Address & 0x0F));
 }
@@ -86,6 +86,13 @@ bool TINYNVM_WaitWhileNVMBusBusy(void)
 			TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
 			return true;
 		}
+
+		/* Manage software timeout */
+		if (TIFR0 & (1 << OCF0A))
+		{
+			TIFR0 |= (1 << OCF0A);
+			TimeoutMSRemaining--;
+		}
 	}
 
 	return false;
@@ -110,6 +117,13 @@ bool TINYNVM_WaitWhileNVMControllerBusy(void)
 			TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
 			return true;
 		}
+
+		/* Manage software timeout */
+		if (TIFR0 & (1 << OCF0A))
+		{
+			TIFR0 |= (1 << OCF0A);
+			TimeoutMSRemaining--;
+		}
 	}
 
 	return false;