diff options
Diffstat (limited to 'Projects/AVRISP/Lib/NVMTarget.c')
| -rw-r--r-- | Projects/AVRISP/Lib/NVMTarget.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Projects/AVRISP/Lib/NVMTarget.c b/Projects/AVRISP/Lib/NVMTarget.c index fee432cfb..a23ccf292 100644 --- a/Projects/AVRISP/Lib/NVMTarget.c +++ b/Projects/AVRISP/Lib/NVMTarget.c @@ -137,4 +137,31 @@ void NVMTarget_ReadMemory(uint32_t ReadAddress, uint8_t* ReadBuffer, uint16_t Re }
}
+void NVMTarget_EraseMemory(uint8_t EraseCommand, uint32_t Address)
+{
+ NVMTarget_WaitWhileNVMControllerBusy();
+
+ PDITarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ NVMTarget_SendNVMRegAddress(NVM_REG_CMD);
+ PDITarget_SendByte(EraseCommand);
+
+ if (EraseCommand == NVM_CMD_CHIPERASE)
+ {
+ /* Set CMDEX bit in NVM CTRLA register to start the chip erase */
+ PDITarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ NVMTarget_SendNVMRegAddress(NVM_REG_CTRLA);
+ PDITarget_SendByte(1 << 0);
+ }
+ else
+ {
+ /* Other erase modes just need us to address a byte within the target memory space */
+ PDITarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ NVMTarget_SendAddress(Address);
+ PDITarget_SendByte(0x00);
+ }
+
+ NVMTarget_WaitWhileNVMBusBusy();
+ NVMTarget_WaitWhileNVMControllerBusy();
+}
+
#endif
|