Squashed 'tmk_core/' changes from caca2c0..dc0e46e
dc0e46e Rename LUFA to LUFA-git 3bfa7fa Remove LUFA-120730 215b764 Merge commit 'afa0f22a9299686fd88f58ce09c5b521ac917e8f' as 'protocol/lufa/LUFA' afa0f22 Squashed 'protocol/lufa/LUFA/' content from commit def7fca c0c42fa Remove submodule of LUFA 30f897d Merge commit '87ced33feb74e79c3281dda36eb6d6d153399b41' as 'protocol/usb_hid/USB_Host_Shield_2.0' 87ced33 Squashed 'protocol/usb_hid/USB_Host_Shield_2.0/' content from commit aab4a69 14f6d49 Remove submodule of USB_Host_Shield_2.0 git-subtree-dir: tmk_core git-subtree-split: dc0e46eaa4367d4e218f8816e3c117895820f07c
This commit is contained in:
@ -0,0 +1,531 @@
|
||||
/*
|
||||
LUFA Library
|
||||
Copyright (C) Dean Camera, 2014.
|
||||
|
||||
dean [at] fourwalledcubicle [dot] com
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||||
www.lufa-lib.org
|
||||
*/
|
||||
|
||||
/*
|
||||
Copyright 2014 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
|
||||
without fee, provided that the above copyright notice appear in
|
||||
all copies and that both that the copyright notice and this
|
||||
permission notice and warranty disclaimer appear in supporting
|
||||
documentation, and that the name of the author not be used in
|
||||
advertising or publicity pertaining to distribution of the
|
||||
software without specific, written prior permission.
|
||||
|
||||
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
|
||||
whatsoever resulting from loss of use, data or profits, whether
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||||
in an action of contract, negligence or other tortious action,
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||||
arising out of or in connection with the use or performance of
|
||||
this software.
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||||
*/
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||||
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||||
/** \file
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||||
*
|
||||
* ISP Protocol handler, to process V2 Protocol wrapped ISP commands used in Atmel programmer devices.
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||||
*/
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||||
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||||
#include "ISPProtocol.h"
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||||
#if defined(ENABLE_ISP_PROTOCOL) || defined(__DOXYGEN__)
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/** Handler for the CMD_ENTER_PROGMODE_ISP command, which attempts to enter programming mode on
|
||||
* the attached device, returning success or failure back to the host.
|
||||
*/
|
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void ISPProtocol_EnterISPMode(void)
|
||||
{
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||||
struct
|
||||
{
|
||||
uint8_t TimeoutMS;
|
||||
uint8_t PinStabDelayMS;
|
||||
uint8_t ExecutionDelayMS;
|
||||
uint8_t SynchLoops;
|
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uint8_t ByteDelay;
|
||||
uint8_t PollValue;
|
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uint8_t PollIndex;
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uint8_t EnterProgBytes[4];
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} Enter_ISP_Params;
|
||||
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Endpoint_Read_Stream_LE(&Enter_ISP_Params, sizeof(Enter_ISP_Params), NULL);
|
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|
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Endpoint_ClearOUT();
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Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
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Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
|
||||
|
||||
uint8_t ResponseStatus = STATUS_CMD_FAILED;
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||||
|
||||
CurrentAddress = 0;
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||||
|
||||
/* Perform execution delay, initialize SPI bus */
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ISPProtocol_DelayMS(Enter_ISP_Params.ExecutionDelayMS);
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ISPTarget_EnableTargetISP();
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ISPTarget_ChangeTargetResetLine(true);
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ISPProtocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
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|
||||
/* Continuously attempt to synchronize with the target until either the number of attempts specified
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* by the host has exceeded, or the the device sends back the expected response values */
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while (Enter_ISP_Params.SynchLoops-- && TimeoutTicksRemaining)
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{
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uint8_t ResponseBytes[4];
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for (uint8_t RByte = 0; RByte < sizeof(ResponseBytes); RByte++)
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{
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ISPProtocol_DelayMS(Enter_ISP_Params.ByteDelay);
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ResponseBytes[RByte] = ISPTarget_TransferByte(Enter_ISP_Params.EnterProgBytes[RByte]);
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}
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/* Check if polling disabled, or if the polled value matches the expected value */
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if (!(Enter_ISP_Params.PollIndex) || (ResponseBytes[Enter_ISP_Params.PollIndex - 1] == Enter_ISP_Params.PollValue))
|
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{
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ResponseStatus = STATUS_CMD_OK;
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break;
|
||||
}
|
||||
else
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{
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ISPTarget_ChangeTargetResetLine(false);
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||||
ISPProtocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
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||||
ISPTarget_ChangeTargetResetLine(true);
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ISPProtocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
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||||
}
|
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}
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||||
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Endpoint_Write_8(CMD_ENTER_PROGMODE_ISP);
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Endpoint_Write_8(ResponseStatus);
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Endpoint_ClearIN();
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}
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|
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/** Handler for the CMD_LEAVE_ISP command, which releases the target from programming mode. */
|
||||
void ISPProtocol_LeaveISPMode(void)
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{
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||||
struct
|
||||
{
|
||||
uint8_t PreDelayMS;
|
||||
uint8_t PostDelayMS;
|
||||
} Leave_ISP_Params;
|
||||
|
||||
Endpoint_Read_Stream_LE(&Leave_ISP_Params, sizeof(Leave_ISP_Params), NULL);
|
||||
|
||||
Endpoint_ClearOUT();
|
||||
Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
|
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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);
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||||
ISPTarget_ChangeTargetResetLine(false);
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ISPTarget_DisableTargetISP();
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||||
ISPProtocol_DelayMS(Leave_ISP_Params.PostDelayMS);
|
||||
|
||||
Endpoint_Write_8(CMD_LEAVE_PROGMODE_ISP);
|
||||
Endpoint_Write_8(STATUS_CMD_OK);
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||||
Endpoint_ClearIN();
|
||||
}
|
||||
|
||||
/** Handler for the CMD_PROGRAM_FLASH_ISP and CMD_PROGRAM_EEPROM_ISP commands, writing out bytes,
|
||||
* words or pages of data to the attached device.
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||||
*
|
||||
* \param[in] V2Command Issued V2 Protocol command byte from the host
|
||||
*/
|
||||
void ISPProtocol_ProgramMemory(uint8_t V2Command)
|
||||
{
|
||||
struct
|
||||
{
|
||||
uint16_t BytesToWrite;
|
||||
uint8_t ProgrammingMode;
|
||||
uint8_t DelayMS;
|
||||
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
|
||||
} 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) -
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||||
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_EPADDR);
|
||||
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
|
||||
|
||||
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_EPADDR);
|
||||
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
|
||||
|
||||
uint8_t ProgrammingStatus = STATUS_CMD_OK;
|
||||
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);
|
||||
|
||||
for (uint16_t CurrentByte = 0; CurrentByte < Write_Memory_Params.BytesToWrite; CurrentByte++)
|
||||
{
|
||||
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)
|
||||
{
|
||||
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)
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||||
Write_Memory_Params.ProgrammingCommands[0] ^= READ_WRITE_HIGH_BYTE_MASK;
|
||||
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||||
/* Check to see if we have a valid polling address */
|
||||
if (!(PollAddress) && (ByteToWrite != PollValue))
|
||||
{
|
||||
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);
|
||||
}
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||||
|
||||
/* If in word programming mode, commit the byte to the target's memory */
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||||
if (!(ProgrammingMode & PROG_MODE_PAGED_WRITES_MASK))
|
||||
{
|
||||
/* If the current polling address is invalid, switch to timed delay write completion mode */
|
||||
if (!(PollAddress) && !(ProgrammingMode & PROG_MODE_WORD_READYBUSY_MASK))
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ProgrammingMode = (ProgrammingMode & ~PROG_MODE_WORD_VALUE_MASK) | PROG_MODE_WORD_TIMEDELAY_MASK;
|
||||
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||||
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 */
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||||
if (ProgrammingStatus != STATUS_CMD_OK)
|
||||
break;
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||||
|
||||
/* 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++;
|
||||
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||||
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)
|
||||
{
|
||||
ISPTarget_SendByte(Write_Memory_Params.ProgrammingCommands[1]);
|
||||
ISPTarget_SendByte(PageStartAddress >> 8);
|
||||
ISPTarget_SendByte(PageStartAddress & 0xFF);
|
||||
ISPTarget_SendByte(0x00);
|
||||
|
||||
/* 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;
|
||||
}
|
||||
|
||||
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 ((V2Command == CMD_PROGRAM_FLASH_ISP) && !(CurrentAddress & 0xFFFF))
|
||||
MustLoadExtendedAddress = true;
|
||||
}
|
||||
|
||||
Endpoint_Write_8(V2Command);
|
||||
Endpoint_Write_8(ProgrammingStatus);
|
||||
Endpoint_ClearIN();
|
||||
}
|
||||
|
||||
/** Handler for the CMD_READ_FLASH_ISP and CMD_READ_EEPROM_ISP commands, reading in bytes,
|
||||
* words or pages of data from the attached device.
|
||||
*
|
||||
* \param[in] V2Command Issued V2 Protocol command byte from the host
|
||||
*/
|
||||
void ISPProtocol_ReadMemory(uint8_t V2Command)
|
||||
{
|
||||
struct
|
||||
{
|
||||
uint16_t BytesToRead;
|
||||
uint8_t ReadMemoryCommand;
|
||||
} Read_Memory_Params;
|
||||
|
||||
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_EPADDR);
|
||||
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
|
||||
|
||||
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++)
|
||||
{
|
||||
/* Check to see if we need to send a LOAD EXTENDED ADDRESS command to the target */
|
||||
if (MustLoadExtendedAddress)
|
||||
{
|
||||
ISPTarget_LoadExtendedAddress();
|
||||
MustLoadExtendedAddress = false;
|
||||
}
|
||||
|
||||
/* Read the next byte from the desired memory space in the device */
|
||||
ISPTarget_SendByte(Read_Memory_Params.ReadMemoryCommand);
|
||||
ISPTarget_SendByte(CurrentAddress >> 8);
|
||||
ISPTarget_SendByte(CurrentAddress & 0xFF);
|
||||
Endpoint_Write_8(ISPTarget_ReceiveByte());
|
||||
|
||||
/* Check if the endpoint bank is currently full, if so send the packet */
|
||||
if (!(Endpoint_IsReadWriteAllowed()))
|
||||
{
|
||||
Endpoint_ClearIN();
|
||||
Endpoint_WaitUntilReady();
|
||||
}
|
||||
|
||||
/* AVR FLASH addressing requires us to modify the read command based on if we are reading a high
|
||||
* or low byte at the current word address */
|
||||
if (V2Command == CMD_READ_FLASH_ISP)
|
||||
Read_Memory_Params.ReadMemoryCommand ^= READ_WRITE_HIGH_BYTE_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_READ_EEPROM_ISP))
|
||||
{
|
||||
CurrentAddress++;
|
||||
|
||||
if ((V2Command != CMD_READ_EEPROM_ISP) && !(CurrentAddress & 0xFFFF))
|
||||
MustLoadExtendedAddress = true;
|
||||
}
|
||||
}
|
||||
|
||||
Endpoint_Write_8(STATUS_CMD_OK);
|
||||
|
||||
bool IsEndpointFull = !(Endpoint_IsReadWriteAllowed());
|
||||
Endpoint_ClearIN();
|
||||
|
||||
/* Ensure last packet is a short packet to terminate the transfer */
|
||||
if (IsEndpointFull)
|
||||
{
|
||||
Endpoint_WaitUntilReady();
|
||||
Endpoint_ClearIN();
|
||||
Endpoint_WaitUntilReady();
|
||||
}
|
||||
}
|
||||
|
||||
/** Handler for the CMD_CHI_ERASE_ISP command, clearing the target's FLASH memory. */
|
||||
void ISPProtocol_ChipErase(void)
|
||||
{
|
||||
struct
|
||||
{
|
||||
uint8_t EraseDelayMS;
|
||||
uint8_t PollMethod;
|
||||
uint8_t EraseCommandBytes[4];
|
||||
} Erase_Chip_Params;
|
||||
|
||||
Endpoint_Read_Stream_LE(&Erase_Chip_Params, sizeof(Erase_Chip_Params), NULL);
|
||||
|
||||
Endpoint_ClearOUT();
|
||||
Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
|
||||
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
|
||||
|
||||
uint8_t ResponseStatus = STATUS_CMD_OK;
|
||||
|
||||
/* Send the chip erase commands as given by the host to the device */
|
||||
for (uint8_t SByte = 0; SByte < sizeof(Erase_Chip_Params.EraseCommandBytes); SByte++)
|
||||
ISPTarget_SendByte(Erase_Chip_Params.EraseCommandBytes[SByte]);
|
||||
|
||||
/* Use appropriate command completion check as given by the host (delay or busy polling) */
|
||||
if (!(Erase_Chip_Params.PollMethod))
|
||||
ISPProtocol_DelayMS(Erase_Chip_Params.EraseDelayMS);
|
||||
else
|
||||
ResponseStatus = ISPTarget_WaitWhileTargetBusy();
|
||||
|
||||
Endpoint_Write_8(CMD_CHIP_ERASE_ISP);
|
||||
Endpoint_Write_8(ResponseStatus);
|
||||
Endpoint_ClearIN();
|
||||
}
|
||||
|
||||
/** Handler for the CMD_READ_FUSE_ISP, CMD_READ_LOCK_ISP, CMD_READ_SIGNATURE_ISP and CMD_READ_OSCCAL commands,
|
||||
* reading the requested configuration byte from the device.
|
||||
*
|
||||
* \param[in] V2Command Issued V2 Protocol command byte from the host
|
||||
*/
|
||||
void ISPProtocol_ReadFuseLockSigOSCCAL(uint8_t V2Command)
|
||||
{
|
||||
struct
|
||||
{
|
||||
uint8_t RetByte;
|
||||
uint8_t ReadCommandBytes[4];
|
||||
} Read_FuseLockSigOSCCAL_Params;
|
||||
|
||||
Endpoint_Read_Stream_LE(&Read_FuseLockSigOSCCAL_Params, sizeof(Read_FuseLockSigOSCCAL_Params), NULL);
|
||||
|
||||
Endpoint_ClearOUT();
|
||||
Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
|
||||
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
|
||||
|
||||
uint8_t ResponseBytes[4];
|
||||
|
||||
/* Send the Fuse or Lock byte read commands as given by the host to the device, store response */
|
||||
for (uint8_t RByte = 0; RByte < sizeof(ResponseBytes); RByte++)
|
||||
ResponseBytes[RByte] = ISPTarget_TransferByte(Read_FuseLockSigOSCCAL_Params.ReadCommandBytes[RByte]);
|
||||
|
||||
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();
|
||||
}
|
||||
|
||||
/** Handler for the CMD_WRITE_FUSE_ISP and CMD_WRITE_LOCK_ISP commands, writing the requested configuration
|
||||
* byte to the device.
|
||||
*
|
||||
* \param[in] V2Command Issued V2 Protocol command byte from the host
|
||||
*/
|
||||
void ISPProtocol_WriteFuseLock(uint8_t V2Command)
|
||||
{
|
||||
struct
|
||||
{
|
||||
uint8_t WriteCommandBytes[4];
|
||||
} Write_FuseLockSig_Params;
|
||||
|
||||
Endpoint_Read_Stream_LE(&Write_FuseLockSig_Params, sizeof(Write_FuseLockSig_Params), NULL);
|
||||
|
||||
Endpoint_ClearOUT();
|
||||
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_8(V2Command);
|
||||
Endpoint_Write_8(STATUS_CMD_OK);
|
||||
Endpoint_Write_8(STATUS_CMD_OK);
|
||||
Endpoint_ClearIN();
|
||||
}
|
||||
|
||||
/** Handler for the CMD_SPI_MULTI command, writing and reading arbitrary SPI data to and from the attached device. */
|
||||
void ISPProtocol_SPIMulti(void)
|
||||
{
|
||||
struct
|
||||
{
|
||||
uint8_t TxBytes;
|
||||
uint8_t RxBytes;
|
||||
uint8_t RxStartAddr;
|
||||
uint8_t TxData[255];
|
||||
} 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_EPADDR);
|
||||
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
|
||||
|
||||
Endpoint_Write_8(CMD_SPI_MULTI);
|
||||
Endpoint_Write_8(STATUS_CMD_OK);
|
||||
|
||||
uint8_t CurrTxPos = 0;
|
||||
uint8_t CurrRxPos = 0;
|
||||
|
||||
/* Write out bytes to transmit until the start of the bytes to receive is met */
|
||||
while (CurrTxPos < SPI_Multi_Params.RxStartAddr)
|
||||
{
|
||||
if (CurrTxPos < SPI_Multi_Params.TxBytes)
|
||||
ISPTarget_SendByte(SPI_Multi_Params.TxData[CurrTxPos]);
|
||||
else
|
||||
ISPTarget_SendByte(0);
|
||||
|
||||
CurrTxPos++;
|
||||
}
|
||||
|
||||
/* Transmit remaining bytes with padding as needed, read in response bytes */
|
||||
while (CurrRxPos < SPI_Multi_Params.RxBytes)
|
||||
{
|
||||
if (CurrTxPos < SPI_Multi_Params.TxBytes)
|
||||
Endpoint_Write_8(ISPTarget_TransferByte(SPI_Multi_Params.TxData[CurrTxPos++]));
|
||||
else
|
||||
Endpoint_Write_8(ISPTarget_ReceiveByte());
|
||||
|
||||
/* Check to see if we have filled the endpoint bank and need to send the packet */
|
||||
if (!(Endpoint_IsReadWriteAllowed()))
|
||||
{
|
||||
Endpoint_ClearIN();
|
||||
Endpoint_WaitUntilReady();
|
||||
}
|
||||
|
||||
CurrRxPos++;
|
||||
}
|
||||
|
||||
Endpoint_Write_8(STATUS_CMD_OK);
|
||||
|
||||
bool IsEndpointFull = !(Endpoint_IsReadWriteAllowed());
|
||||
Endpoint_ClearIN();
|
||||
|
||||
/* Ensure last packet is a short packet to terminate the transfer */
|
||||
if (IsEndpointFull)
|
||||
{
|
||||
Endpoint_WaitUntilReady();
|
||||
Endpoint_ClearIN();
|
||||
Endpoint_WaitUntilReady();
|
||||
}
|
||||
}
|
||||
|
||||
/** 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);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
@ -0,0 +1,81 @@
|
||||
/*
|
||||
LUFA Library
|
||||
Copyright (C) Dean Camera, 2014.
|
||||
|
||||
dean [at] fourwalledcubicle [dot] com
|
||||
www.lufa-lib.org
|
||||
*/
|
||||
|
||||
/*
|
||||
Copyright 2014 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
|
||||
without fee, provided that the above copyright notice appear in
|
||||
all copies and that both that the copyright notice and this
|
||||
permission notice and warranty disclaimer appear in supporting
|
||||
documentation, and that the name of the author not be used in
|
||||
advertising or publicity pertaining to distribution of the
|
||||
software without specific, written prior permission.
|
||||
|
||||
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
|
||||
whatsoever resulting from loss of use, data or profits, whether
|
||||
in an action of contract, negligence or other tortious action,
|
||||
arising out of or in connection with the use or performance of
|
||||
this software.
|
||||
*/
|
||||
|
||||
/** \file
|
||||
*
|
||||
* Header file for ISPProtocol.c.
|
||||
*/
|
||||
|
||||
#ifndef _ISP_PROTOCOL_
|
||||
#define _ISP_PROTOCOL_
|
||||
|
||||
/* Includes: */
|
||||
#include <avr/io.h>
|
||||
#include <util/delay.h>
|
||||
|
||||
#include <LUFA/Drivers/USB/USB.h>
|
||||
|
||||
#include "../V2Protocol.h"
|
||||
#include "Config/AppConfig.h"
|
||||
|
||||
/* Preprocessor Checks: */
|
||||
#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
|
||||
#undef ENABLE_ISP_PROTOCOL
|
||||
|
||||
#if !defined(ENABLE_XPROG_PROTOCOL)
|
||||
#define ENABLE_XPROG_PROTOCOL
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Macros: */
|
||||
/** Mask for the reading or writing of the high byte in a FLASH word when issuing a low-level programming command. */
|
||||
#define READ_WRITE_HIGH_BYTE_MASK (1 << 3)
|
||||
|
||||
#define PROG_MODE_PAGED_WRITES_MASK (1 << 0)
|
||||
#define PROG_MODE_WORD_TIMEDELAY_MASK (1 << 1)
|
||||
#define PROG_MODE_WORD_VALUE_MASK (1 << 2)
|
||||
#define PROG_MODE_WORD_READYBUSY_MASK (1 << 3)
|
||||
#define PROG_MODE_PAGED_TIMEDELAY_MASK (1 << 4)
|
||||
#define PROG_MODE_PAGED_VALUE_MASK (1 << 5)
|
||||
#define PROG_MODE_PAGED_READYBUSY_MASK (1 << 6)
|
||||
#define PROG_MODE_COMMIT_PAGE_MASK (1 << 7)
|
||||
|
||||
/* Function Prototypes: */
|
||||
void ISPProtocol_EnterISPMode(void);
|
||||
void ISPProtocol_LeaveISPMode(void);
|
||||
void ISPProtocol_ProgramMemory(const uint8_t V2Command);
|
||||
void ISPProtocol_ReadMemory(const uint8_t V2Command);
|
||||
void ISPProtocol_ChipErase(void);
|
||||
void ISPProtocol_ReadFuseLockSigOSCCAL(const uint8_t V2Command);
|
||||
void ISPProtocol_WriteFuseLock(const uint8_t V2Command);
|
||||
void ISPProtocol_SPIMulti(void);
|
||||
void ISPProtocol_DelayMS(uint8_t DelayMS);
|
||||
#endif
|
||||
|
370
protocol/lufa/LUFA-git/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c
Normal file
370
protocol/lufa/LUFA-git/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c
Normal file
@ -0,0 +1,370 @@
|
||||
/*
|
||||
LUFA Library
|
||||
Copyright (C) Dean Camera, 2014.
|
||||
|
||||
dean [at] fourwalledcubicle [dot] com
|
||||
www.lufa-lib.org
|
||||
*/
|
||||
|
||||
/*
|
||||
Copyright 2014 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
|
||||
without fee, provided that the above copyright notice appear in
|
||||
all copies and that both that the copyright notice and this
|
||||
permission notice and warranty disclaimer appear in supporting
|
||||
documentation, and that the name of the author not be used in
|
||||
advertising or publicity pertaining to distribution of the
|
||||
software without specific, written prior permission.
|
||||
|
||||
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
|
||||
whatsoever resulting from loss of use, data or profits, whether
|
||||
in an action of contract, negligence or other tortious action,
|
||||
arising out of or in connection with the use or performance of
|
||||
this software.
|
||||
*/
|
||||
|
||||
/** \file
|
||||
*
|
||||
* Target-related functions for the ISP Protocol decoder.
|
||||
*/
|
||||
|
||||
#include "ISPTarget.h"
|
||||
|
||||
#if defined(ENABLE_ISP_PROTOCOL) || defined(__DOXYGEN__)
|
||||
|
||||
/** List of hardware SPI prescaler masks for possible AVRStudio ISP programming speeds.
|
||||
*
|
||||
* \hideinitializer
|
||||
*/
|
||||
static const uint8_t SPIMaskFromSCKDuration[] PROGMEM =
|
||||
{
|
||||
#if (F_CPU == 8000000)
|
||||
SPI_SPEED_FCPU_DIV_2, // AVRStudio = 8MHz SPI, Actual = 4MHz SPI
|
||||
SPI_SPEED_FCPU_DIV_2, // AVRStudio = 4MHz SPI, Actual = 4MHz SPI
|
||||
SPI_SPEED_FCPU_DIV_4, // AVRStudio = 2MHz SPI, Actual = 2MHz SPI
|
||||
SPI_SPEED_FCPU_DIV_8, // AVRStudio = 1MHz SPI, Actual = 1MHz SPI
|
||||
SPI_SPEED_FCPU_DIV_16, // AVRStudio = 500KHz SPI, Actual = 500KHz SPI
|
||||
SPI_SPEED_FCPU_DIV_32, // AVRStudio = 250KHz SPI, Actual = 250KHz SPI
|
||||
SPI_SPEED_FCPU_DIV_64, // AVRStudio = 125KHz SPI, Actual = 125KHz SPI
|
||||
#elif (F_CPU == 16000000)
|
||||
SPI_SPEED_FCPU_DIV_2, // AVRStudio = 8MHz SPI, Actual = 8MHz SPI
|
||||
SPI_SPEED_FCPU_DIV_4, // AVRStudio = 4MHz SPI, Actual = 4MHz SPI
|
||||
SPI_SPEED_FCPU_DIV_8, // AVRStudio = 2MHz SPI, Actual = 2MHz SPI
|
||||
SPI_SPEED_FCPU_DIV_16, // AVRStudio = 1MHz SPI, Actual = 1MHz SPI
|
||||
SPI_SPEED_FCPU_DIV_32, // AVRStudio = 500KHz SPI, Actual = 500KHz SPI
|
||||
SPI_SPEED_FCPU_DIV_64, // AVRStudio = 250KHz SPI, Actual = 250KHz SPI
|
||||
SPI_SPEED_FCPU_DIV_128 // AVRStudio = 125KHz SPI, Actual = 125KHz SPI
|
||||
#else
|
||||
#error No SPI prescaler masks for chosen F_CPU speed.
|
||||
#endif
|
||||
};
|
||||
|
||||
/** Lookup table to convert the slower ISP speeds into a compare value for the software SPI driver.
|
||||
*
|
||||
* \hideinitializer
|
||||
*/
|
||||
static const uint16_t TimerCompareFromSCKDuration[] PROGMEM =
|
||||
{
|
||||
TIMER_COMP(96386), TIMER_COMP(89888), TIMER_COMP(84211), TIMER_COMP(79208), TIMER_COMP(74767),
|
||||
TIMER_COMP(70797), TIMER_COMP(67227), TIMER_COMP(64000), TIMER_COMP(61069), TIMER_COMP(58395),
|
||||
TIMER_COMP(55945), TIMER_COMP(51613), TIMER_COMP(49690), TIMER_COMP(47905), TIMER_COMP(46243),
|
||||
TIMER_COMP(43244), TIMER_COMP(41885), TIMER_COMP(39409), TIMER_COMP(38278), TIMER_COMP(36200),
|
||||
TIMER_COMP(34335), TIMER_COMP(32654), TIMER_COMP(31129), TIMER_COMP(29740), TIMER_COMP(28470),
|
||||
TIMER_COMP(27304), TIMER_COMP(25724), TIMER_COMP(24768), TIMER_COMP(23461), TIMER_COMP(22285),
|
||||
TIMER_COMP(21221), TIMER_COMP(20254), TIMER_COMP(19371), TIMER_COMP(18562), TIMER_COMP(17583),
|
||||
TIMER_COMP(16914), TIMER_COMP(16097), TIMER_COMP(15356), TIMER_COMP(14520), TIMER_COMP(13914),
|
||||
TIMER_COMP(13224), TIMER_COMP(12599), TIMER_COMP(12031), TIMER_COMP(11511), TIMER_COMP(10944),
|
||||
TIMER_COMP(10431), TIMER_COMP(9963), TIMER_COMP(9468), TIMER_COMP(9081), TIMER_COMP(8612),
|
||||
TIMER_COMP(8239), TIMER_COMP(7851), TIMER_COMP(7498), TIMER_COMP(7137), TIMER_COMP(6809),
|
||||
TIMER_COMP(6478), TIMER_COMP(6178), TIMER_COMP(5879), TIMER_COMP(5607), TIMER_COMP(5359),
|
||||
TIMER_COMP(5093), TIMER_COMP(4870), TIMER_COMP(4633), TIMER_COMP(4418), TIMER_COMP(4209),
|
||||
TIMER_COMP(4019), TIMER_COMP(3823), TIMER_COMP(3645), TIMER_COMP(3474), TIMER_COMP(3310),
|
||||
TIMER_COMP(3161), TIMER_COMP(3011), TIMER_COMP(2869), TIMER_COMP(2734), TIMER_COMP(2611),
|
||||
TIMER_COMP(2484), TIMER_COMP(2369), TIMER_COMP(2257), TIMER_COMP(2152), TIMER_COMP(2052),
|
||||
TIMER_COMP(1956), TIMER_COMP(1866), TIMER_COMP(1779), TIMER_COMP(1695), TIMER_COMP(1615),
|
||||
TIMER_COMP(1539), TIMER_COMP(1468), TIMER_COMP(1398), TIMER_COMP(1333), TIMER_COMP(1271),
|
||||
TIMER_COMP(1212), TIMER_COMP(1155), TIMER_COMP(1101), TIMER_COMP(1049), TIMER_COMP(1000),
|
||||
TIMER_COMP(953), TIMER_COMP(909), TIMER_COMP(866), TIMER_COMP(826), TIMER_COMP(787),
|
||||
TIMER_COMP(750), TIMER_COMP(715), TIMER_COMP(682), TIMER_COMP(650), TIMER_COMP(619),
|
||||
TIMER_COMP(590), TIMER_COMP(563), TIMER_COMP(536), TIMER_COMP(511), TIMER_COMP(487),
|
||||
TIMER_COMP(465), TIMER_COMP(443), TIMER_COMP(422), TIMER_COMP(402), TIMER_COMP(384),
|
||||
TIMER_COMP(366), TIMER_COMP(349), TIMER_COMP(332), TIMER_COMP(317), TIMER_COMP(302),
|
||||
TIMER_COMP(288), TIMER_COMP(274), TIMER_COMP(261), TIMER_COMP(249), TIMER_COMP(238),
|
||||
TIMER_COMP(226), TIMER_COMP(216), TIMER_COMP(206), TIMER_COMP(196), TIMER_COMP(187),
|
||||
TIMER_COMP(178), TIMER_COMP(170), TIMER_COMP(162), TIMER_COMP(154), TIMER_COMP(147),
|
||||
TIMER_COMP(140), TIMER_COMP(134), TIMER_COMP(128), TIMER_COMP(122), TIMER_COMP(116),
|
||||
TIMER_COMP(111), TIMER_COMP(105), TIMER_COMP(100), TIMER_COMP(95.4), TIMER_COMP(90.9),
|
||||
TIMER_COMP(86.6), TIMER_COMP(82.6), TIMER_COMP(78.7), TIMER_COMP(75.0), TIMER_COMP(71.5),
|
||||
TIMER_COMP(68.2), TIMER_COMP(65.0), TIMER_COMP(61.9), TIMER_COMP(59.0), TIMER_COMP(56.3),
|
||||
TIMER_COMP(53.6), TIMER_COMP(51.1)
|
||||
};
|
||||
|
||||
/** Currently selected SPI driver, either hardware (for fast ISP speeds) or software (for slower ISP speeds). */
|
||||
bool HardwareSPIMode = true;
|
||||
|
||||
/** Software SPI data register for sending and receiving */
|
||||
static volatile uint8_t SoftSPI_Data;
|
||||
|
||||
/** Number of bits left to transfer in the software SPI driver */
|
||||
static volatile uint8_t SoftSPI_BitsRemaining;
|
||||
|
||||
|
||||
/** ISR to handle software SPI transmission and reception */
|
||||
ISR(TIMER1_COMPA_vect, ISR_BLOCK)
|
||||
{
|
||||
/* Check if rising edge (output next bit) or falling edge (read in next bit) */
|
||||
if (!(PINB & (1 << 1)))
|
||||
{
|
||||
if (SoftSPI_Data & (1 << 7))
|
||||
PORTB |= (1 << 2);
|
||||
else
|
||||
PORTB &= ~(1 << 2);
|
||||
}
|
||||
else
|
||||
{
|
||||
SoftSPI_Data <<= 1;
|
||||
|
||||
if (!(--SoftSPI_BitsRemaining))
|
||||
{
|
||||
TCCR1B = 0;
|
||||
TIFR1 = (1 << OCF1A);
|
||||
}
|
||||
|
||||
if (PINB & (1 << 3))
|
||||
SoftSPI_Data |= (1 << 0);
|
||||
}
|
||||
|
||||
/* Fast toggle of PORTB.1 via the PIN register (see datasheet) */
|
||||
PINB |= (1 << 1);
|
||||
}
|
||||
|
||||
/** Initializes the appropriate SPI driver (hardware or software, depending on the selected ISP speed) ready for
|
||||
* communication with the attached target.
|
||||
*/
|
||||
void ISPTarget_EnableTargetISP(void)
|
||||
{
|
||||
uint8_t SCKDuration = V2Params_GetParameterValue(PARAM_SCK_DURATION);
|
||||
|
||||
if (SCKDuration < sizeof(SPIMaskFromSCKDuration))
|
||||
{
|
||||
HardwareSPIMode = true;
|
||||
|
||||
SPI_Init(pgm_read_byte(&SPIMaskFromSCKDuration[SCKDuration]) | SPI_ORDER_MSB_FIRST |
|
||||
SPI_SCK_LEAD_RISING | SPI_SAMPLE_LEADING | SPI_MODE_MASTER);
|
||||
}
|
||||
else
|
||||
{
|
||||
HardwareSPIMode = false;
|
||||
|
||||
DDRB |= ((1 << 1) | (1 << 2));
|
||||
PORTB |= ((1 << 0) | (1 << 3));
|
||||
|
||||
ISPTarget_ConfigureSoftwareSPI(SCKDuration);
|
||||
}
|
||||
}
|
||||
|
||||
/** Shuts down the current selected SPI driver (hardware or software, depending on the selected ISP speed) so that no
|
||||
* further communications can occur until the driver is re-initialized.
|
||||
*/
|
||||
void ISPTarget_DisableTargetISP(void)
|
||||
{
|
||||
if (HardwareSPIMode)
|
||||
{
|
||||
SPI_Disable();
|
||||
}
|
||||
else
|
||||
{
|
||||
DDRB &= ~((1 << 1) | (1 << 2));
|
||||
PORTB &= ~((1 << 0) | (1 << 3));
|
||||
|
||||
/* Must re-enable rescue clock once software ISP has exited, as the timer for the rescue clock is
|
||||
* re-purposed for software SPI */
|
||||
ISPTarget_ConfigureRescueClock();
|
||||
}
|
||||
}
|
||||
|
||||
/** Configures the AVR to produce a 4MHz rescue clock out of the OCR1A pin of the AVR, so
|
||||
* that it can be fed into the XTAL1 pin of an AVR whose fuses have been mis-configured for
|
||||
* an external clock rather than a crystal. When used, the ISP speed must be 125KHz for this
|
||||
* functionality to work correctly.
|
||||
*/
|
||||
void ISPTarget_ConfigureRescueClock(void)
|
||||
{
|
||||
#if defined(XCK_RESCUE_CLOCK_ENABLE)
|
||||
/* Configure XCK as an output for the specified AVR model */
|
||||
DDRD |= (1 << 5);
|
||||
|
||||
/* Start USART to generate a 4MHz clock on the XCK pin */
|
||||
UBRR1 = ((F_CPU / 2 / ISP_RESCUE_CLOCK_SPEED) - 1);
|
||||
UCSR1B = (1 << TXEN1);
|
||||
UCSR1C = (1 << UMSEL10) | (1 << UPM11) | (1 << USBS1) | (1 << UCSZ11) | (1 << UCSZ10) | (1 << UCPOL1);
|
||||
#else
|
||||
/* Configure OCR1A as an output for the specified AVR model */
|
||||
#if defined(USB_SERIES_2_AVR)
|
||||
DDRC |= (1 << 6);
|
||||
#else
|
||||
DDRB |= (1 << 5);
|
||||
#endif
|
||||
|
||||
/* Start Timer 1 to generate a 4MHz clock on the OCR1A pin */
|
||||
TIMSK1 = 0;
|
||||
TCNT1 = 0;
|
||||
OCR1A = ((F_CPU / 2 / ISP_RESCUE_CLOCK_SPEED) - 1);
|
||||
TCCR1A = (1 << COM1A0);
|
||||
TCCR1B = ((1 << WGM12) | (1 << CS10));
|
||||
#endif
|
||||
}
|
||||
|
||||
/** Configures the AVR's timer ready to produce software SPI for the slower ISP speeds that
|
||||
* cannot be obtained when using the AVR's hardware SPI module.
|
||||
*
|
||||
* \param[in] SCKDuration Duration of the desired software ISP SCK clock
|
||||
*/
|
||||
void ISPTarget_ConfigureSoftwareSPI(const uint8_t SCKDuration)
|
||||
{
|
||||
/* Configure Timer 1 for software SPI using the specified SCK duration */
|
||||
TIMSK1 = (1 << OCIE1A);
|
||||
TCNT1 = 0;
|
||||
OCR1A = pgm_read_word(&TimerCompareFromSCKDuration[SCKDuration - sizeof(SPIMaskFromSCKDuration)]);
|
||||
TCCR1A = 0;
|
||||
TCCR1B = 0;
|
||||
}
|
||||
|
||||
/** Sends and receives a single byte of data to and from the attached target via software SPI.
|
||||
*
|
||||
* \param[in] Byte Byte of data to send to the attached target
|
||||
*
|
||||
* \return Received byte of data from the attached target
|
||||
*/
|
||||
uint8_t ISPTarget_TransferSoftSPIByte(const uint8_t Byte)
|
||||
{
|
||||
SoftSPI_Data = Byte;
|
||||
SoftSPI_BitsRemaining = 8;
|
||||
|
||||
/* Set initial MOSI pin state according to the byte to be transferred */
|
||||
if (SoftSPI_Data & (1 << 7))
|
||||
PORTB |= (1 << 2);
|
||||
else
|
||||
PORTB &= ~(1 << 2);
|
||||
|
||||
TCNT1 = 0;
|
||||
TCCR1B = ((1 << WGM12) | (1 << CS11));
|
||||
while (SoftSPI_BitsRemaining && TimeoutTicksRemaining);
|
||||
TCCR1B = 0;
|
||||
|
||||
return SoftSPI_Data;
|
||||
}
|
||||
|
||||
/** Asserts or deasserts the target's reset line, using the correct polarity as set by the host using a SET PARAM command.
|
||||
* When not asserted, the line is tristated so as not to interfere with normal device operation.
|
||||
*
|
||||
* \param[in] ResetTarget Boolean true when the target should be held in reset, \c false otherwise
|
||||
*/
|
||||
void ISPTarget_ChangeTargetResetLine(const bool ResetTarget)
|
||||
{
|
||||
if (ResetTarget)
|
||||
{
|
||||
AUX_LINE_DDR |= AUX_LINE_MASK;
|
||||
|
||||
if (!(V2Params_GetParameterValue(PARAM_RESET_POLARITY)))
|
||||
AUX_LINE_PORT |= AUX_LINE_MASK;
|
||||
else
|
||||
AUX_LINE_PORT &= ~AUX_LINE_MASK;
|
||||
}
|
||||
else
|
||||
{
|
||||
AUX_LINE_DDR &= ~AUX_LINE_MASK;
|
||||
AUX_LINE_PORT &= ~AUX_LINE_MASK;
|
||||
}
|
||||
}
|
||||
|
||||
/** Waits until the target has completed the last operation, by continuously polling the device's
|
||||
* BUSY flag until it is cleared, or until the command timeout period has expired.
|
||||
*
|
||||
* \return V2 Protocol status \ref STATUS_CMD_OK if the no timeout occurred, \ref STATUS_RDY_BSY_TOUT otherwise
|
||||
*/
|
||||
uint8_t ISPTarget_WaitWhileTargetBusy(void)
|
||||
{
|
||||
do
|
||||
{
|
||||
ISPTarget_SendByte(0xF0);
|
||||
ISPTarget_SendByte(0x00);
|
||||
ISPTarget_SendByte(0x00);
|
||||
}
|
||||
while ((ISPTarget_ReceiveByte() & 0x01) && TimeoutTicksRemaining);
|
||||
|
||||
return (TimeoutTicksRemaining > 0) ? STATUS_CMD_OK : STATUS_RDY_BSY_TOUT;
|
||||
}
|
||||
|
||||
/** Sends a low-level LOAD EXTENDED ADDRESS command to the target, for addressing of memory beyond the
|
||||
* 64KB boundary. This sends the command with the correct address as indicated by the current address
|
||||
* pointer variable set by the host when a SET ADDRESS command is issued.
|
||||
*/
|
||||
void ISPTarget_LoadExtendedAddress(void)
|
||||
{
|
||||
ISPTarget_SendByte(LOAD_EXTENDED_ADDRESS_CMD);
|
||||
ISPTarget_SendByte(0x00);
|
||||
ISPTarget_SendByte(CurrentAddress >> 16);
|
||||
ISPTarget_SendByte(0x00);
|
||||
}
|
||||
|
||||
/** Waits until the last issued target memory programming command has completed, via the check mode given and using
|
||||
* the given parameters.
|
||||
*
|
||||
* \param[in] ProgrammingMode Programming mode used and completion check to use, a mask of \c PROG_MODE_* constants
|
||||
* \param[in] PollAddress Memory address to poll for completion if polling check mode used
|
||||
* \param[in] PollValue Poll value to check against if polling check mode used
|
||||
* \param[in] DelayMS Milliseconds to delay before returning if delay check mode used
|
||||
* \param[in] ReadMemCommand Device low-level READ MEMORY command to send if value check mode used
|
||||
*
|
||||
* \return V2 Protocol status \ref STATUS_CMD_OK if the no timeout occurred, \ref STATUS_RDY_BSY_TOUT or
|
||||
* \ref STATUS_CMD_TOUT otherwise
|
||||
*/
|
||||
uint8_t ISPTarget_WaitForProgComplete(const uint8_t ProgrammingMode,
|
||||
const uint16_t PollAddress,
|
||||
const uint8_t PollValue,
|
||||
const uint8_t DelayMS,
|
||||
const uint8_t ReadMemCommand)
|
||||
{
|
||||
uint8_t ProgrammingStatus = STATUS_CMD_OK;
|
||||
|
||||
/* Determine method of Programming Complete check */
|
||||
switch (ProgrammingMode & ~(PROG_MODE_PAGED_WRITES_MASK | PROG_MODE_COMMIT_PAGE_MASK))
|
||||
{
|
||||
case PROG_MODE_WORD_TIMEDELAY_MASK:
|
||||
case PROG_MODE_PAGED_TIMEDELAY_MASK:
|
||||
ISPProtocol_DelayMS(DelayMS);
|
||||
break;
|
||||
case PROG_MODE_WORD_VALUE_MASK:
|
||||
case PROG_MODE_PAGED_VALUE_MASK:
|
||||
do
|
||||
{
|
||||
ISPTarget_SendByte(ReadMemCommand);
|
||||
ISPTarget_SendByte(PollAddress >> 8);
|
||||
ISPTarget_SendByte(PollAddress & 0xFF);
|
||||
}
|
||||
while ((ISPTarget_TransferByte(0x00) == PollValue) && TimeoutTicksRemaining);
|
||||
|
||||
if (!(TimeoutTicksRemaining))
|
||||
ProgrammingStatus = STATUS_CMD_TOUT;
|
||||
|
||||
break;
|
||||
case PROG_MODE_WORD_READYBUSY_MASK:
|
||||
case PROG_MODE_PAGED_READYBUSY_MASK:
|
||||
ProgrammingStatus = ISPTarget_WaitWhileTargetBusy();
|
||||
break;
|
||||
}
|
||||
|
||||
/* Program complete - reset timeout */
|
||||
TimeoutTicksRemaining = COMMAND_TIMEOUT_TICKS;
|
||||
|
||||
return ProgrammingStatus;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
147
protocol/lufa/LUFA-git/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h
Normal file
147
protocol/lufa/LUFA-git/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h
Normal file
@ -0,0 +1,147 @@
|
||||
/*
|
||||
LUFA Library
|
||||
Copyright (C) Dean Camera, 2014.
|
||||
|
||||
dean [at] fourwalledcubicle [dot] com
|
||||
www.lufa-lib.org
|
||||
*/
|
||||
|
||||
/*
|
||||
Copyright 2014 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
|
||||
without fee, provided that the above copyright notice appear in
|
||||
all copies and that both that the copyright notice and this
|
||||
permission notice and warranty disclaimer appear in supporting
|
||||
documentation, and that the name of the author not be used in
|
||||
advertising or publicity pertaining to distribution of the
|
||||
software without specific, written prior permission.
|
||||
|
||||
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
|
||||
whatsoever resulting from loss of use, data or profits, whether
|
||||
in an action of contract, negligence or other tortious action,
|
||||
arising out of or in connection with the use or performance of
|
||||
this software.
|
||||
*/
|
||||
|
||||
/** \file
|
||||
*
|
||||
* Header file for ISPTarget.c.
|
||||
*/
|
||||
|
||||
#ifndef _ISP_TARGET_
|
||||
#define _ISP_TARGET_
|
||||
|
||||
/* Includes: */
|
||||
#include <avr/io.h>
|
||||
#include <avr/pgmspace.h>
|
||||
#include <util/delay.h>
|
||||
|
||||
#include <LUFA/Drivers/USB/USB.h>
|
||||
#include <LUFA/Drivers/Peripheral/SPI.h>
|
||||
|
||||
#include "../V2Protocol.h"
|
||||
#include "ISPProtocol.h"
|
||||
#include "Config/AppConfig.h"
|
||||
|
||||
/* Preprocessor Checks: */
|
||||
#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
|
||||
#undef ENABLE_ISP_PROTOCOL
|
||||
|
||||
#if !defined(ENABLE_XPROG_PROTOCOL)
|
||||
#define ENABLE_XPROG_PROTOCOL
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Macros: */
|
||||
/** Low level device command to issue an extended FLASH address, for devices with over 128KB of FLASH. */
|
||||
#define LOAD_EXTENDED_ADDRESS_CMD 0x4D
|
||||
|
||||
/** Macro to convert an ISP frequency to a number of timer clock cycles for the software SPI driver. */
|
||||
#define TIMER_COMP(freq) (((F_CPU / 8) / 2 / freq) - 1)
|
||||
|
||||
/** ISP rescue clock speed in Hz, for clocking targets with incorrectly set fuses. */
|
||||
#define ISP_RESCUE_CLOCK_SPEED 4000000
|
||||
|
||||
/* External Variables: */
|
||||
extern bool HardwareSPIMode;
|
||||
|
||||
/* Function Prototypes: */
|
||||
void ISPTarget_EnableTargetISP(void);
|
||||
void ISPTarget_DisableTargetISP(void);
|
||||
void ISPTarget_ConfigureRescueClock(void);
|
||||
void ISPTarget_ConfigureSoftwareSPI(const uint8_t SCKDuration);
|
||||
uint8_t ISPTarget_TransferSoftSPIByte(const uint8_t Byte);
|
||||
void ISPTarget_ChangeTargetResetLine(const bool ResetTarget);
|
||||
uint8_t ISPTarget_WaitWhileTargetBusy(void);
|
||||
void ISPTarget_LoadExtendedAddress(void);
|
||||
uint8_t ISPTarget_WaitForProgComplete(const uint8_t ProgrammingMode,
|
||||
const uint16_t PollAddress,
|
||||
const uint8_t PollValue,
|
||||
const uint8_t DelayMS,
|
||||
const uint8_t ReadMemCommand);
|
||||
|
||||
/* Inline Functions: */
|
||||
/** Sends a byte of ISP data to the attached target, using the appropriate SPI hardware or
|
||||
* software routines depending on the selected ISP speed.
|
||||
*
|
||||
* \param[in] Byte Byte of data to send to the attached target
|
||||
*/
|
||||
static inline void ISPTarget_SendByte(const uint8_t Byte)
|
||||
{
|
||||
if (HardwareSPIMode)
|
||||
SPI_SendByte(Byte);
|
||||
else
|
||||
ISPTarget_TransferSoftSPIByte(Byte);
|
||||
}
|
||||
|
||||
/** Receives a byte of ISP data from the attached target, using the appropriate
|
||||
* SPI hardware or software routines depending on the selected ISP speed.
|
||||
*
|
||||
* \return Received byte of data from the attached target
|
||||
*/
|
||||
static inline uint8_t ISPTarget_ReceiveByte(void)
|
||||
{
|
||||
uint8_t ReceivedByte;
|
||||
|
||||
if (HardwareSPIMode)
|
||||
ReceivedByte = SPI_ReceiveByte();
|
||||
else
|
||||
ReceivedByte = ISPTarget_TransferSoftSPIByte(0x00);
|
||||
|
||||
#if defined(INVERTED_ISP_MISO)
|
||||
return ~ReceivedByte;
|
||||
#else
|
||||
return ReceivedByte;
|
||||
#endif
|
||||
}
|
||||
|
||||
/** Sends and receives a byte of ISP data to and from the attached target, using the
|
||||
* appropriate SPI hardware or software routines depending on the selected ISP speed.
|
||||
*
|
||||
* \param[in] Byte Byte of data to send to the attached target
|
||||
*
|
||||
* \return Received byte of data from the attached target
|
||||
*/
|
||||
static inline uint8_t ISPTarget_TransferByte(const uint8_t Byte)
|
||||
{
|
||||
uint8_t ReceivedByte;
|
||||
|
||||
if (HardwareSPIMode)
|
||||
ReceivedByte = SPI_TransferByte(Byte);
|
||||
else
|
||||
ReceivedByte = ISPTarget_TransferSoftSPIByte(Byte);
|
||||
|
||||
#if defined(INVERTED_ISP_MISO)
|
||||
return ~ReceivedByte;
|
||||
#else
|
||||
return ReceivedByte;
|
||||
#endif
|
||||
}
|
||||
|
||||
#endif
|
||||
|
Reference in New Issue
Block a user