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-rw-r--r--Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c
index 06a4f7222..43c540e17 100644
--- a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c
+++ b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c
@@ -240,9 +240,12 @@ bool XMEGANVM_ReadMemory(const uint32_t ReadAddress,
XPROGTarget_SendByte(PDI_CMD_ST | (PDI_POINTER_DIRECT << 2) | PDI_DATSIZE_4BYTES);
XMEGANVM_SendAddress(ReadAddress);
- /* Send the REPEAT command with the specified number of bytes to read */
- XPROGTarget_SendByte(PDI_CMD_REPEAT | PDI_DATSIZE_1BYTE);
- XPROGTarget_SendByte(ReadSize - 1);
+ if (ReadSize > 1)
+ {
+ /* Send the REPEAT command with the specified number of bytes to read */
+ XPROGTarget_SendByte(PDI_CMD_REPEAT | PDI_DATSIZE_1BYTE);
+ XPROGTarget_SendByte(ReadSize - 1);
+ }
/* Send a LD command with indirect access and post-increment to read out the bytes */
XPROGTarget_SendByte(PDI_CMD_LD | (PDI_POINTER_INDIRECT_PI << 2) | PDI_DATSIZE_1BYTE);