/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
+ Copyright (C) Dean Camera, 2013.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2010 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
uint8_t EnterProgBytes[4];
} Enter_ISP_Params;
- Endpoint_Read_Stream_LE(&Enter_ISP_Params, sizeof(Enter_ISP_Params), NO_STREAM_CALLBACK);
+ 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;
/* Perform execution delay, initialize SPI bus */
ISPProtocol_DelayMS(Enter_ISP_Params.ExecutionDelayMS);
- ISPTarget_Init();
+ 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_FAILED) && 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();
}
uint8_t PostDelayMS;
} Leave_ISP_Params;
- Endpoint_Read_Stream_LE(&Leave_ISP_Params, sizeof(Leave_ISP_Params), NO_STREAM_CALLBACK);
+ 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 */
ISPProtocol_DelayMS(Leave_ISP_Params.PreDelayMS);
ISPTarget_ChangeTargetResetLine(false);
- ISPTarget_ShutDown();
+ 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();
}
} Write_Memory_Params; // whole page and ACK the packet as fast as possible to prevent it from aborting
Endpoint_Read_Stream_LE(&Write_Memory_Params, (sizeof(Write_Memory_Params) -
- sizeof(Write_Memory_Params.ProgData)), NO_STREAM_CALLBACK);
-
-
+ sizeof(Write_Memory_Params.ProgData)), NULL);
Write_Memory_Params.BytesToWrite = SwapEndian_16(Write_Memory_Params.BytesToWrite);
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, NO_STREAM_CALLBACK);
+ 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;
- uint16_t PollAddress = 0;
uint8_t PollValue = (V2Command == CMD_PROGRAM_FLASH_ISP) ? Write_Memory_Params.PollValue1 :
Write_Memory_Params.PollValue2;
+ uint16_t PollAddress = 0;
uint8_t* NextWriteByte = Write_Memory_Params.ProgData;
+ uint16_t PageStartAddress = (CurrentAddress & 0xFFFF);
- /* Check the programming mode desired by the host, either Paged or Word memory writes */
- if (Write_Memory_Params.ProgrammingMode & PROG_MODE_PAGED_WRITES_MASK)
+ for (uint16_t CurrentByte = 0; CurrentByte < Write_Memory_Params.BytesToWrite; CurrentByte++)
{
- uint16_t StartAddress = (CurrentAddress & 0xFFFF);
+ uint8_t ByteToWrite = *(NextWriteByte++);
+ uint8_t ProgrammingMode = Write_Memory_Params.ProgrammingMode;
/* Check to see if we need to send a LOAD EXTENDED ADDRESS command to the target */
if (MustLoadExtendedAddress)
MustLoadExtendedAddress = false;
}
- /* Paged mode memory programming */
- for (uint16_t CurrentByte = 0; CurrentByte < Write_Memory_Params.BytesToWrite; CurrentByte++)
+ ISPTarget_SendByte(Write_Memory_Params.ProgrammingCommands[0]);
+ ISPTarget_SendByte(CurrentAddress >> 8);
+ ISPTarget_SendByte(CurrentAddress & 0xFF);
+ ISPTarget_SendByte(ByteToWrite);
+
+ /* AVR FLASH addressing requires us to modify the write command based on if we are writing a high
+ * or low byte at the current word address */
+ if (V2Command == CMD_PROGRAM_FLASH_ISP)
+ Write_Memory_Params.ProgrammingCommands[0] ^= READ_WRITE_HIGH_BYTE_MASK;
+
+ /* Check to see if we have a valid polling address */
+ if (!(PollAddress) && (ByteToWrite != PollValue))
{
- bool IsOddByte = (CurrentByte & 0x01);
- uint8_t ByteToWrite = *(NextWriteByte++);
-
- ISPTarget_SendByte(Write_Memory_Params.ProgrammingCommands[0]);
- ISPTarget_SendByte(CurrentAddress >> 8);
- ISPTarget_SendByte(CurrentAddress & 0xFF);
- ISPTarget_SendByte(ByteToWrite);
-
- /* AVR FLASH addressing requires us to modify the write command based on if we are writing a high
- * or low byte at the current word address */
- if (V2Command == CMD_PROGRAM_FLASH_ISP)
- Write_Memory_Params.ProgrammingCommands[0] ^= READ_WRITE_HIGH_BYTE_MASK;
-
- /* Check to see the write completion method, to see if we have a valid polling address */
- if (!(PollAddress) && (ByteToWrite != PollValue))
- {
- if (IsOddByte && (V2Command == CMD_PROGRAM_FLASH_ISP))
- Write_Memory_Params.ProgrammingCommands[2] |= READ_WRITE_HIGH_BYTE_MASK;
-
- PollAddress = (CurrentAddress & 0xFFFF);
- }
-
- /* EEPROM increments the address on each byte, flash needs to increment on each word */
- if (IsOddByte || (V2Command == CMD_PROGRAM_EEPROM_ISP))
- CurrentAddress++;
+ if ((CurrentByte & 0x01) && (V2Command == CMD_PROGRAM_FLASH_ISP))
+ Write_Memory_Params.ProgrammingCommands[2] |= READ_WRITE_HIGH_BYTE_MASK;
+ else
+ Write_Memory_Params.ProgrammingCommands[2] &= ~READ_WRITE_HIGH_BYTE_MASK;
+
+ PollAddress = (CurrentAddress & 0xFFFF);
}
- /* 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)
+ /* If in word programming mode, commit the byte to the target's memory */
+ if (!(ProgrammingMode & PROG_MODE_PAGED_WRITES_MASK))
{
- ISPTarget_SendByte(Write_Memory_Params.ProgrammingCommands[1]);
- ISPTarget_SendByte(StartAddress >> 8);
- ISPTarget_SendByte(StartAddress & 0xFF);
- ISPTarget_SendByte(0x00);
-
- /* Check if polling is possible and enabled, if not switch to timed delay mode */
- if (!(PollAddress) && (Write_Memory_Params.ProgrammingMode & PROG_MODE_PAGED_VALUE_MASK))
- {
- Write_Memory_Params.ProgrammingMode &= ~PROG_MODE_PAGED_VALUE_MASK;
- Write_Memory_Params.ProgrammingMode |= PROG_MODE_PAGED_TIMEDELAY_MASK;
- }
-
- ProgrammingStatus = ISPTarget_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue,
- Write_Memory_Params.DelayMS, Write_Memory_Params.ProgrammingCommands[2]);
-
- /* Check to see if the FLASH address has crossed the extended address boundary */
+ /* If the current polling address is invalid, switch to timed delay write completion mode */
+ if (!(PollAddress) && !(ProgrammingMode & PROG_MODE_WORD_READYBUSY_MASK))
+ ProgrammingMode = (ProgrammingMode & ~PROG_MODE_WORD_VALUE_MASK) | PROG_MODE_WORD_TIMEDELAY_MASK;
+
+ ProgrammingStatus = ISPTarget_WaitForProgComplete(ProgrammingMode, PollAddress, PollValue,
+ Write_Memory_Params.DelayMS,
+ Write_Memory_Params.ProgrammingCommands[2]);
+
+ /* Abort the programming loop early if the byte/word programming failed */
+ if (ProgrammingStatus != STATUS_CMD_OK)
+ break;
+
+ /* 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 during FLASH memory programming */
+ if ((CurrentByte & 0x01) || (V2Command == CMD_PROGRAM_EEPROM_ISP))
+ {
+ CurrentAddress++;
+
if ((V2Command == CMD_PROGRAM_FLASH_ISP) && !(CurrentAddress & 0xFFFF))
MustLoadExtendedAddress = true;
}
}
- else
+
+ /* 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)
{
- /* Word/byte mode memory programming */
- for (uint16_t CurrentByte = 0; CurrentByte < Write_Memory_Params.BytesToWrite; CurrentByte++)
- {
- bool IsOddByte = (CurrentByte & 0x01);
- uint8_t ByteToWrite = *(NextWriteByte++);
-
- /* Check to see if we need to send a LOAD EXTENDED ADDRESS command to the target */
- if (MustLoadExtendedAddress)
- {
- ISPTarget_LoadExtendedAddress();
- MustLoadExtendedAddress = false;
- }
-
- ISPTarget_SendByte(Write_Memory_Params.ProgrammingCommands[0]);
- ISPTarget_SendByte(CurrentAddress >> 8);
- ISPTarget_SendByte(CurrentAddress & 0xFF);
- ISPTarget_SendByte(ByteToWrite);
-
- /* AVR FLASH addressing requires us to modify the write command based on if we are writing a high
- * or low byte at the current word address */
- if (V2Command == CMD_PROGRAM_FLASH_ISP)
- Write_Memory_Params.ProgrammingCommands[0] ^= READ_WRITE_HIGH_BYTE_MASK;
-
- /* Save previous programming mode in case we modify it for the current word */
- uint8_t PreviousProgrammingMode = Write_Memory_Params.ProgrammingMode;
-
- if (ByteToWrite != PollValue)
- {
- if (IsOddByte && (V2Command == CMD_PROGRAM_FLASH_ISP))
- Write_Memory_Params.ProgrammingCommands[2] |= READ_WRITE_HIGH_BYTE_MASK;
-
- PollAddress = (CurrentAddress & 0xFFFF);
- }
- else if (!(Write_Memory_Params.ProgrammingMode & PROG_MODE_WORD_READYBUSY_MASK))
- {
- Write_Memory_Params.ProgrammingMode &= ~PROG_MODE_WORD_VALUE_MASK;
- Write_Memory_Params.ProgrammingMode |= PROG_MODE_WORD_TIMEDELAY_MASK;
- }
-
- ProgrammingStatus = ISPTarget_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue,
- Write_Memory_Params.DelayMS, Write_Memory_Params.ProgrammingCommands[2]);
-
- /* Restore previous programming mode mask in case the current word needed to change it */
- Write_Memory_Params.ProgrammingMode = PreviousProgrammingMode;
+ ISPTarget_SendByte(Write_Memory_Params.ProgrammingCommands[1]);
+ ISPTarget_SendByte(PageStartAddress >> 8);
+ ISPTarget_SendByte(PageStartAddress & 0xFF);
+ ISPTarget_SendByte(0x00);
- /* Abort the programming loop early if the byte/word programming failed */
- if (ProgrammingStatus != STATUS_CMD_OK)
- break;
+ /* Check if polling is enabled and possible, if not switch to timed delay mode */
+ if ((Write_Memory_Params.ProgrammingMode & PROG_MODE_PAGED_VALUE_MASK) && !(PollAddress))
+ {
+ Write_Memory_Params.ProgrammingMode = (Write_Memory_Params.ProgrammingMode & ~PROG_MODE_PAGED_VALUE_MASK) |
+ PROG_MODE_PAGED_TIMEDELAY_MASK;
+ }
- /* 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 */
- if ((CurrentByte & 0x01) || (V2Command == CMD_PROGRAM_EEPROM_ISP))
- {
- CurrentAddress++;
+ ProgrammingStatus = ISPTarget_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue,
+ Write_Memory_Params.DelayMS,
+ Write_Memory_Params.ProgrammingCommands[2]);
- if ((V2Command != CMD_PROGRAM_EEPROM_ISP) && !(CurrentAddress & 0xFFFF))
- MustLoadExtendedAddress = true;
- }
- }
+ /* 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();
}
uint8_t ReadMemoryCommand;
} Read_Memory_Params;
- Endpoint_Read_Stream_LE(&Read_Memory_Params, sizeof(Read_Memory_Params), NO_STREAM_CALLBACK);
+ Endpoint_Read_Stream_LE(&Read_Memory_Params, sizeof(Read_Memory_Params), NULL);
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();
uint8_t EraseCommandBytes[4];
} Erase_Chip_Params;
- Endpoint_Read_Stream_LE(&Erase_Chip_Params, sizeof(Erase_Chip_Params), NO_STREAM_CALLBACK);
+ 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();
}
uint8_t ReadCommandBytes[4];
} Read_FuseLockSigOSCCAL_Params;
- Endpoint_Read_Stream_LE(&Read_FuseLockSigOSCCAL_Params, sizeof(Read_FuseLockSigOSCCAL_Params), NO_STREAM_CALLBACK);
+ 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();
}
uint8_t WriteCommandBytes[4];
} Write_FuseLockSig_Params;
- Endpoint_Read_Stream_LE(&Write_FuseLockSig_Params, sizeof(Write_FuseLockSig_Params), NO_STREAM_CALLBACK);
+ 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();
}
uint8_t TxData[255];
} SPI_Multi_Params;
- Endpoint_Read_Stream_LE(&SPI_Multi_Params, (sizeof(SPI_Multi_Params) - sizeof(SPI_Multi_Params.TxData)), NO_STREAM_CALLBACK);
- Endpoint_Read_Stream_LE(&SPI_Multi_Params.TxData, SPI_Multi_Params.TxBytes, NO_STREAM_CALLBACK);
+ Endpoint_Read_Stream_LE(&SPI_Multi_Params, (sizeof(SPI_Multi_Params) - sizeof(SPI_Multi_Params.TxData)), NULL);
+ 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