/*
LUFA Library
- Copyright (C) Dean Camera, 2011.
+ Copyright (C) Dean Camera, 2013.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2013 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
- The author disclaim all warranties with regard to this
+ The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
Endpoint_Read_Stream_LE(&Enter_ISP_Params, sizeof(Enter_ISP_Params), NULL);
Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
+ Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
uint8_t ResponseStatus = STATUS_CMD_FAILED;
ISPProtocol_DelayMS(Enter_ISP_Params.ExecutionDelayMS);
ISPTarget_EnableTargetISP();
+ ISPTarget_ChangeTargetResetLine(true);
+ ISPProtocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
+
/* Continuously attempt to synchronize with the target until either the number of attempts specified
* by the host has exceeded, or the the device sends back the expected response values */
- while (Enter_ISP_Params.SynchLoops-- && (ResponseStatus != STATUS_CMD_OK) && TimeoutTicksRemaining)
+ while (Enter_ISP_Params.SynchLoops-- && TimeoutTicksRemaining)
{
uint8_t ResponseBytes[4];
- ISPTarget_ChangeTargetResetLine(true);
- ISPProtocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
-
for (uint8_t RByte = 0; RByte < sizeof(ResponseBytes); RByte++)
{
ISPProtocol_DelayMS(Enter_ISP_Params.ByteDelay);
if (!(Enter_ISP_Params.PollIndex) || (ResponseBytes[Enter_ISP_Params.PollIndex - 1] == Enter_ISP_Params.PollValue))
{
ResponseStatus = STATUS_CMD_OK;
+ break;
}
else
{
ISPTarget_ChangeTargetResetLine(false);
ISPProtocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
+ ISPTarget_ChangeTargetResetLine(true);
+ ISPProtocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
}
}
- Endpoint_Write_Byte(CMD_ENTER_PROGMODE_ISP);
- Endpoint_Write_Byte(ResponseStatus);
+ Endpoint_Write_8(CMD_ENTER_PROGMODE_ISP);
+ Endpoint_Write_8(ResponseStatus);
Endpoint_ClearIN();
}
Endpoint_Read_Stream_LE(&Leave_ISP_Params, sizeof(Leave_ISP_Params), NULL);
Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
+ Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
/* Perform pre-exit delay, release the target /RESET, disable the SPI bus and perform the post-exit delay */
ISPTarget_DisableTargetISP();
ISPProtocol_DelayMS(Leave_ISP_Params.PostDelayMS);
- Endpoint_Write_Byte(CMD_LEAVE_PROGMODE_ISP);
- Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_Write_8(CMD_LEAVE_PROGMODE_ISP);
+ Endpoint_Write_8(STATUS_CMD_OK);
Endpoint_ClearIN();
}
if (Write_Memory_Params.BytesToWrite > sizeof(Write_Memory_Params.ProgData))
{
Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
+ Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
- Endpoint_Write_Byte(V2Command);
- Endpoint_Write_Byte(STATUS_CMD_FAILED);
+ Endpoint_Write_8(V2Command);
+ Endpoint_Write_8(STATUS_CMD_FAILED);
Endpoint_ClearIN();
return;
}
Endpoint_Read_Stream_LE(&Write_Memory_Params.ProgData, Write_Memory_Params.BytesToWrite, NULL);
+ // The driver will terminate transfers that are a round multiple of the endpoint bank in size with a ZLP, need
+ // to catch this and discard it before continuing on with packet processing to prevent communication issues
+ if (((sizeof(uint8_t) + sizeof(Write_Memory_Params) - sizeof(Write_Memory_Params.ProgData)) +
+ Write_Memory_Params.BytesToWrite) % AVRISP_DATA_EPSIZE == 0)
+ {
+ Endpoint_ClearOUT();
+ Endpoint_WaitUntilReady();
+ }
+
Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
+ Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
uint8_t ProgrammingStatus = STATUS_CMD_OK;
if (ProgrammingStatus != STATUS_CMD_OK)
break;
- /* Must reset the polling address afterwards, so it is not erronously used for the next byte */
+ /* Must reset the polling address afterwards, so it is not erroneously used for the next byte */
PollAddress = 0;
}
-
+
/* EEPROM just increments the address each byte, flash needs to increment on each word and
* also check to ensure that a LOAD EXTENDED ADDRESS command is issued each time the extended
- * address boundary has been crossed */
+ * address boundary has been crossed during FLASH memory programming */
if ((CurrentByte & 0x01) || (V2Command == CMD_PROGRAM_EEPROM_ISP))
{
CurrentAddress++;
- if ((V2Command != CMD_PROGRAM_EEPROM_ISP) && !(CurrentAddress & 0xFFFF))
+ if ((V2Command == CMD_PROGRAM_FLASH_ISP) && !(CurrentAddress & 0xFFFF))
MustLoadExtendedAddress = true;
}
}
-
+
/* If the current page must be committed, send the PROGRAM PAGE command to the target */
if (Write_Memory_Params.ProgrammingMode & PROG_MODE_COMMIT_PAGE_MASK)
{
/* Check to see if the FLASH address has crossed the extended address boundary */
if ((V2Command == CMD_PROGRAM_FLASH_ISP) && !(CurrentAddress & 0xFFFF))
MustLoadExtendedAddress = true;
- }
+ }
- Endpoint_Write_Byte(V2Command);
- Endpoint_Write_Byte(ProgrammingStatus);
+ Endpoint_Write_8(V2Command);
+ Endpoint_Write_8(ProgrammingStatus);
Endpoint_ClearIN();
}
Read_Memory_Params.BytesToRead = SwapEndian_16(Read_Memory_Params.BytesToRead);
Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
+ Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
- Endpoint_Write_Byte(V2Command);
- Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_Write_8(V2Command);
+ Endpoint_Write_8(STATUS_CMD_OK);
/* Read each byte from the device and write them to the packet for the host */
for (uint16_t CurrentByte = 0; CurrentByte < Read_Memory_Params.BytesToRead; CurrentByte++)
ISPTarget_SendByte(Read_Memory_Params.ReadMemoryCommand);
ISPTarget_SendByte(CurrentAddress >> 8);
ISPTarget_SendByte(CurrentAddress & 0xFF);
- Endpoint_Write_Byte(ISPTarget_ReceiveByte());
+ Endpoint_Write_8(ISPTarget_ReceiveByte());
/* Check if the endpoint bank is currently full, if so send the packet */
if (!(Endpoint_IsReadWriteAllowed()))
}
}
- Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_Write_8(STATUS_CMD_OK);
bool IsEndpointFull = !(Endpoint_IsReadWriteAllowed());
Endpoint_ClearIN();
Endpoint_Read_Stream_LE(&Erase_Chip_Params, sizeof(Erase_Chip_Params), NULL);
Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
+ Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
uint8_t ResponseStatus = STATUS_CMD_OK;
else
ResponseStatus = ISPTarget_WaitWhileTargetBusy();
- Endpoint_Write_Byte(CMD_CHIP_ERASE_ISP);
- Endpoint_Write_Byte(ResponseStatus);
+ Endpoint_Write_8(CMD_CHIP_ERASE_ISP);
+ Endpoint_Write_8(ResponseStatus);
Endpoint_ClearIN();
}
Endpoint_Read_Stream_LE(&Read_FuseLockSigOSCCAL_Params, sizeof(Read_FuseLockSigOSCCAL_Params), NULL);
Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
+ Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
uint8_t ResponseBytes[4];
for (uint8_t RByte = 0; RByte < sizeof(ResponseBytes); RByte++)
ResponseBytes[RByte] = ISPTarget_TransferByte(Read_FuseLockSigOSCCAL_Params.ReadCommandBytes[RByte]);
- Endpoint_Write_Byte(V2Command);
- Endpoint_Write_Byte(STATUS_CMD_OK);
- Endpoint_Write_Byte(ResponseBytes[Read_FuseLockSigOSCCAL_Params.RetByte - 1]);
- Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_Write_8(V2Command);
+ Endpoint_Write_8(STATUS_CMD_OK);
+ Endpoint_Write_8(ResponseBytes[Read_FuseLockSigOSCCAL_Params.RetByte - 1]);
+ Endpoint_Write_8(STATUS_CMD_OK);
Endpoint_ClearIN();
}
Endpoint_Read_Stream_LE(&Write_FuseLockSig_Params, sizeof(Write_FuseLockSig_Params), NULL);
Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
+ Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
/* Send the Fuse or Lock byte program commands as given by the host to the device */
for (uint8_t SByte = 0; SByte < sizeof(Write_FuseLockSig_Params.WriteCommandBytes); SByte++)
ISPTarget_SendByte(Write_FuseLockSig_Params.WriteCommandBytes[SByte]);
- Endpoint_Write_Byte(V2Command);
- Endpoint_Write_Byte(STATUS_CMD_OK);
- Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_Write_8(V2Command);
+ Endpoint_Write_8(STATUS_CMD_OK);
+ Endpoint_Write_8(STATUS_CMD_OK);
Endpoint_ClearIN();
}
Endpoint_Read_Stream_LE(&SPI_Multi_Params.TxData, SPI_Multi_Params.TxBytes, NULL);
Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
+ Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
- Endpoint_Write_Byte(CMD_SPI_MULTI);
- Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_Write_8(CMD_SPI_MULTI);
+ Endpoint_Write_8(STATUS_CMD_OK);
uint8_t CurrTxPos = 0;
uint8_t CurrRxPos = 0;
while (CurrRxPos < SPI_Multi_Params.RxBytes)
{
if (CurrTxPos < SPI_Multi_Params.TxBytes)
- Endpoint_Write_Byte(ISPTarget_TransferByte(SPI_Multi_Params.TxData[CurrTxPos++]));
+ Endpoint_Write_8(ISPTarget_TransferByte(SPI_Multi_Params.TxData[CurrTxPos++]));
else
- Endpoint_Write_Byte(ISPTarget_ReceiveByte());
+ Endpoint_Write_8(ISPTarget_ReceiveByte());
/* Check to see if we have filled the endpoint bank and need to send the packet */
if (!(Endpoint_IsReadWriteAllowed()))
CurrRxPos++;
}
- Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_Write_8(STATUS_CMD_OK);
bool IsEndpointFull = !(Endpoint_IsReadWriteAllowed());
Endpoint_ClearIN();
}
}
-/** Blocking delay for a given number of milliseconds.
+/** Blocking delay for a given number of milliseconds. This provides a simple wrapper around
+ * the avr-libc provided delay function, so that the delay function can be called with a
+ * constant value (to prevent run-time floating point operations being required).
*
* \param[in] DelayMS Number of milliseconds to delay for
*/
void ISPProtocol_DelayMS(uint8_t DelayMS)
{
while (DelayMS-- && TimeoutTicksRemaining)
- _delay_ms(1);
+ Delay_MS(1);
}
#endif
+
projects / pub / USBasp.git / blobdiff