/*
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
uint8_t PollValue;
uint8_t PollIndex;
uint8_t EnterProgBytes[4];
- } ATTR_PACKED Enter_ISP_Params;
+ } Enter_ISP_Params;
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;
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) && !(TimeoutExpired))
+ while (Enter_ISP_Params.SynchLoops-- && TimeoutTicksRemaining)
{
uint8_t ResponseBytes[4];
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);
}
}
{
uint8_t PreDelayMS;
uint8_t PostDelayMS;
- } ATTR_PACKED Leave_ISP_Params;
+ } Leave_ISP_Params;
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 */
uint8_t ProgrammingCommands[3];
uint8_t PollValue1;
uint8_t PollValue2;
- uint8_t ProgData[256]; // Note, the Jungo driver has a very short ACK timeout period, need to buffer the
- } ATTR_PACKED Write_Memory_Params; // whole page and ACK the packet as fast as possible to prevent it from aborting
+ uint8_t ProgData[256]; // Note, the Jungo driver has a very short ACK timeout period, need to buffer the
+ } 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)), NULL);
- Write_Memory_Params.BytesToWrite = be16_to_cpu(Write_Memory_Params.BytesToWrite);
-
+ 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_8(V2Command);
}
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_8(V2Command);
Endpoint_Write_8(ProgrammingStatus);
{
uint16_t BytesToRead;
uint8_t ReadMemoryCommand;
- } ATTR_PACKED Read_Memory_Params;
+ } Read_Memory_Params;
Endpoint_Read_Stream_LE(&Read_Memory_Params, sizeof(Read_Memory_Params), NULL);
- Read_Memory_Params.BytesToRead = be16_to_cpu(Read_Memory_Params.BytesToRead);
-
+ 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_8(V2Command);
uint8_t EraseDelayMS;
uint8_t PollMethod;
uint8_t EraseCommandBytes[4];
- } ATTR_PACKED Erase_Chip_Params;
+ } Erase_Chip_Params;
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;
{
uint8_t RetByte;
uint8_t ReadCommandBytes[4];
- } ATTR_PACKED Read_FuseLockSigOSCCAL_Params;
+ } Read_FuseLockSigOSCCAL_Params;
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];
struct
{
uint8_t WriteCommandBytes[4];
- } ATTR_PACKED Write_FuseLockSig_Params;
+ } Write_FuseLockSig_Params;
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 */
uint8_t RxBytes;
uint8_t RxStartAddr;
uint8_t TxData[255];
- } ATTR_PACKED SPI_Multi_Params;
+ } SPI_Multi_Params;
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_8(CMD_SPI_MULTI);
}
}
-/** 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-- && !(TimeoutExpired))
+ while (DelayMS-- && TimeoutTicksRemaining)
Delay_MS(1);
}
#endif
+
projects / pub / USBasp.git / blobdiff