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Diffstat (limited to 'Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c')
-rw-r--r--Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c b/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c
index 805eaa31f..08936a202 100644
--- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c
+++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c
@@ -119,7 +119,7 @@ static void XPROGProtocol_EnterXPROGMode(void)
{
/* Enable PDI programming mode with the attached target */
XPROGTarget_EnableTargetPDI();
-
+
/* Store the RESET key into the RESET PDI register to keep the XMEGA in reset */
XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG);
XPROGTarget_SendByte(PDI_RESET_KEY);
@@ -170,14 +170,22 @@ static void XPROGProtocol_LeaveXPROGMode(void)
if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI)
{
+ XMEGANVM_WaitWhileNVMBusBusy();
+
/* Clear the RESET key in the RESET PDI register to allow the XMEGA to run */
XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG);
XPROGTarget_SendByte(0x00);
+
+ /* Clear /RESET key twice (for some reason this needs to be done twice to take effect) */
+ XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG);
+ XPROGTarget_SendByte(0x00);
XPROGTarget_DisableTargetPDI();
}
else
{
+ TINYNVM_WaitWhileNVMBusBusy();
+
/* Clear the NVMEN bit in the TPI CONTROL register to disable TPI mode */
XPROGTarget_SendByte(TPI_CMD_SSTCS | TPI_CTRL_REG);
XPROGTarget_SendByte(0x00);