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Add Lock/Fuse byte programming support to the AVRISP PDI programming protocol code.

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This commit is contained in:
Dean Camera 2009-12-15 00:58:22 +00:00
parent a7880ac1cd
commit 8ea051de63
3 changed files with 84 additions and 5 deletions
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35
Projects/AVRISP/Lib/NVMTarget.c
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@ -114,6 +114,10 @@ bool NVMTarget_GetMemoryCRC(uint8_t CRCCommand, uint32_t* CRCDest)
NVMTarget_SendNVMRegAddress(NVM_REG_CTRLA);
PDITarget_SendByte(1 << 0);
/* Wait until the NVM bus is ready again */
if (!(PDITarget_WaitWhileNVMBusBusy()))
return false;
/* Wait until the NVM controller is no longer busy */
if (!(NVMTarget_WaitWhileNVMControllerBusy()))
return false;
@ -180,6 +184,37 @@ bool NVMTarget_ReadMemory(uint32_t ReadAddress, uint8_t* ReadBuffer, uint16_t Re
return true;
}
/** Writes byte addressed memory to the target's memory spaces.
*
* \param[in] WriteCommand Command to send to the device to write each memory page
* \param[in] WriteAddress Start address to write to within the target's address space
* \param[in] WriteBuffer Buffer to source data from
* \param[in] WriteSize Number of bytes to write
*
* \return Boolean true if the command sequence complete sucessfully
*/
bool NVMTarget_WriteByteMemory(uint8_t WriteCommand, uint32_t WriteAddress, uint8_t* WriteBuffer, uint16_t WriteSize)
{
for (uint8_t i = 0; i < WriteSize; i++)
{
/* Wait until the NVM controller is no longer busy */
if (!(NVMTarget_WaitWhileNVMControllerBusy()))
return false;
/* Send the memory write command to the target */
PDITarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
NVMTarget_SendNVMRegAddress(NVM_REG_CMD);
PDITarget_SendByte(WriteCommand);
/* Send each new memory byte to the memory to the target */
PDITarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
NVMTarget_SendAddress(WriteAddress++);
PDITarget_SendByte(*(WriteBuffer++));
}
return true;
}
/** Erases a specific memory space of the target.
*
* \param[in] EraseCommand NVM erase command to send to the device