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authorDean Camera <dean@fourwalledcubicle.com>2012-04-15 19:15:35 +0000
committerDean Camera <dean@fourwalledcubicle.com>2012-04-15 19:15:35 +0000
commitce3db96d9a3d66fd517ccf395c0ba0a36f89f5cd (patch)
tree48f84d65004b86ddac93e16f1fa04b0d7a37ca4f /Projects
parent3703d50580c8b9ca3022e22be00b8b261d71bb3c (diff)
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Make sure CRC value is pre-zeroed before reading from the XMEGA target device, to prevent corrupt data from being returned to the host in the AVRISP-MKII Clone project.
Diffstat (limited to 'Projects')
-rw-r--r--Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c
index 97154ea1e..b78247583 100644
--- a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c
+++ b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c
@@ -174,6 +174,8 @@ void XMEGANVM_DisablePDI(void)
*/
bool XMEGANVM_GetMemoryCRC(const uint8_t CRCCommand, uint32_t* const CRCDest)
{
+ *CRCDest = 0;
+
/* Wait until the NVM controller is no longer busy */
if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
return false;