Only issue the REPEAT instruction in the clone programmer if needed to reduce protoco...

[pub/USBasp.git] / Projects / AVRISP-MKII / Lib / XPROG / XMEGANVM.c

diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c
index 06a4f72..43c540e 100644 (file)
--- 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);
 
        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);
 
        /* 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);