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Fix AVRISP-MKII clone project's TPI Chip Erase command processing - ensure erase location is the high byte in the given address space, check NVMBUSY for completion rather than the NVM Bus Enable bit.

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Change If-Else chains over to switch statements in XPROGProtocol.c for clarity.
This commit is contained in:
Dean Camera
2010-02-08 03:16:09 +00:00
parent 6a48efd3bd
commit 7ae91099e9
9 changed files with 93 additions and 70 deletions
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Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c
+4 -4
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@@ -204,13 +204,13 @@ bool TINYNVM_EraseMemory(const uint8_t EraseCommand, const uint16_t Address)
TINYNVM_SendWriteNVMRegister(XPROG_Param_NVMCMDRegAddr);
XPROGTarget_SendByte(EraseCommand);
/* Write to a location within the target address space to start the erase process */
TINYNVM_SendPointerAddress(Address);
/* Write to a high byte location within the target address space to start the erase process */
TINYNVM_SendPointerAddress(Address | 0x0001);
XPROGTarget_SendByte(TPI_CMD_SST | TPI_POINTER_INDIRECT);
XPROGTarget_SendByte(0x00);
/* Wait until the NVM bus is ready again */
if (!(TINYNVM_WaitWhileNVMBusBusy()))
/* Wait until the NVM controller is no longer busy */
if (!(TINYNVM_WaitWhileNVMControllerBusy()))
return false;
return true;