diff options
author | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-08 03:12:14 +0000 |
---|---|---|
committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-08 03:12:14 +0000 |
commit | 071e02c6b6b4837fa9cf0b6d4c749994e02638d7 (patch) | |
tree | 960446788703b69f0bb285450be80c5b3d8cc22c /Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c | |
parent | e331b531c6e6d93eb0eee42b9002074e8090ad18 (diff) | |
download | lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.gz lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.bz2 lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.zip |
Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.
Diffstat (limited to 'Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c')
-rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c | 1028 |
1 files changed, 514 insertions, 514 deletions
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c b/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c index cc521ce87..7a4b1a547 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c @@ -1,514 +1,514 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 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 disclaim 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
- *
- * XPROG Protocol handler, to process V2 Protocol wrapped XPROG commands used in Atmel programmer devices.
- */
-
-#define INCLUDE_FROM_XPROGPROTOCOL_C
-#include "XPROGProtocol.h"
-
-#if defined(ENABLE_XPROG_PROTOCOL) || defined(__DOXYGEN__)
-/** Base absolute address for the target's NVM controller for PDI programming */
-uint32_t XPROG_Param_NVMBase = 0x010001C0;
-
-/** Size in bytes of the target's EEPROM page */
-uint16_t XPROG_Param_EEPageSize;
-
-/** Address of the TPI device's NVMCMD register for TPI programming */
-uint8_t XPROG_Param_NVMCMDRegAddr;
-
-/** Address of the TPI device's NVMCSR register for TPI programming */
-uint8_t XPROG_Param_NVMCSRRegAddr;
-
-/** Currently selected XPROG programming protocol */
-uint8_t XPROG_SelectedProtocol = XPRG_PROTOCOL_PDI;
-
-/** Handler for the CMD_XPROG_SETMODE command, which sets the programmer-to-target protocol used for PDI/TPI
- * programming.
- */
-void XPROGProtocol_SetMode(void)
-{
- struct
- {
- uint8_t Protocol;
- } SetMode_XPROG_Params;
-
- Endpoint_Read_Stream_LE(&SetMode_XPROG_Params, sizeof(SetMode_XPROG_Params), NO_STREAM_CALLBACK);
-
- Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
- Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-
- XPROG_SelectedProtocol = SetMode_XPROG_Params.Protocol;
-
- Endpoint_Write_Byte(CMD_XPROG_SETMODE);
- Endpoint_Write_Byte((SetMode_XPROG_Params.Protocol != XPRG_PROTOCOL_JTAG) ? STATUS_CMD_OK : STATUS_CMD_FAILED);
- Endpoint_ClearIN();
-}
-
-/** Handler for the CMD_XPROG command, which wraps up XPROG commands in a V2 wrapper which need to be
- * removed and processed so that the underlying XPROG command can be handled.
- */
-void XPROGProtocol_Command(void)
-{
- uint8_t XPROGCommand = Endpoint_Read_Byte();
-
- switch (XPROGCommand)
- {
- case XPRG_CMD_ENTER_PROGMODE:
- XPROGProtocol_EnterXPROGMode();
- break;
- case XPRG_CMD_LEAVE_PROGMODE:
- XPROGProtocol_LeaveXPROGMode();
- break;
- case XPRG_CMD_ERASE:
- XPROGProtocol_Erase();
- break;
- case XPRG_CMD_WRITE_MEM:
- XPROGProtocol_WriteMemory();
- break;
- case XPRG_CMD_READ_MEM:
- XPROGProtocol_ReadMemory();
- break;
- case XPRG_CMD_CRC:
- XPROGProtocol_ReadCRC();
- break;
- case XPRG_CMD_SET_PARAM:
- XPROGProtocol_SetParam();
- break;
- }
-}
-
-/** Handler for the XPROG ENTER_PROGMODE command to establish a connection with the attached device. */
-static void XPROGProtocol_EnterXPROGMode(void)
-{
- Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
- Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-
- bool NVMBusEnabled;
-
- if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI)
- {
- /* Enable PDI programming mode with the attached target */
- XPROGTarget_EnableTargetPDI();
-
- /* Store the RESET key into the RESET PDI register to keep the XMEGA in reset */
- XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG);
- XPROGTarget_SendByte(PDI_RESET_KEY);
-
- /* Lower direction change guard time to 0 USART bits */
- XPROGTarget_SendByte(PDI_CMD_STCS | PDI_CTRL_REG);
- XPROGTarget_SendByte(0x07);
-
- /* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */
- XPROGTarget_SendByte(PDI_CMD_KEY);
- for (uint8_t i = sizeof(PDI_NVMENABLE_KEY); i > 0; i--)
- XPROGTarget_SendByte(PDI_NVMENABLE_KEY[i - 1]);
-
- /* Wait until the NVM bus becomes active */
- NVMBusEnabled = XMEGANVM_WaitWhileNVMBusBusy();
- }
- else
- {
- /* Enable TPI programming mode with the attached target */
- XPROGTarget_EnableTargetTPI();
-
- /* Lower direction change guard time to 0 USART bits */
- XPROGTarget_SendByte(TPI_CMD_SSTCS | TPI_CTRL_REG);
- XPROGTarget_SendByte(0x07);
-
- /* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */
- XPROGTarget_SendByte(TPI_CMD_SKEY);
- for (uint8_t i = sizeof(TPI_NVMENABLE_KEY); i > 0; i--)
- XPROGTarget_SendByte(TPI_NVMENABLE_KEY[i - 1]);
-
- /* Wait until the NVM bus becomes active */
- NVMBusEnabled = TINYNVM_WaitWhileNVMBusBusy();
- }
-
- Endpoint_Write_Byte(CMD_XPROG);
- Endpoint_Write_Byte(XPRG_CMD_ENTER_PROGMODE);
- Endpoint_Write_Byte(NVMBusEnabled ? XPRG_ERR_OK : XPRG_ERR_FAILED);
- Endpoint_ClearIN();
-}
-
-/** Handler for the XPROG LEAVE_PROGMODE command to terminate the PDI programming connection with
- * the attached device.
- */
-static void XPROGProtocol_LeaveXPROGMode(void)
-{
- Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
- Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-
- if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI)
- {
- XMEGANVM_WaitWhileNVMBusBusy();
-
- /* Clear the RESET key in the RESET PDI register to allow the XMEGA to run */
- XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG);
- XPROGTarget_SendByte(0x00);
-
- /* Do it twice to make sure it takes affect (silicon bug?) */
- XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG);
- XPROGTarget_SendByte(0x00);
-
- XPROGTarget_DisableTargetPDI();
- }
- else
- {
- TINYNVM_WaitWhileNVMBusBusy();
-
- /* Clear the NVMEN bit in the TPI CONTROL register to disable TPI mode */
- XPROGTarget_SendByte(TPI_CMD_SSTCS | TPI_CTRL_REG);
- XPROGTarget_SendByte(0x00);
-
- XPROGTarget_DisableTargetTPI();
- }
-
- Endpoint_Write_Byte(CMD_XPROG);
- Endpoint_Write_Byte(XPRG_CMD_LEAVE_PROGMODE);
- Endpoint_Write_Byte(XPRG_ERR_OK);
- Endpoint_ClearIN();
-}
-
-/** Handler for the XPRG ERASE command to erase a specific memory address space in the attached device. */
-static void XPROGProtocol_Erase(void)
-{
- uint8_t ReturnStatus = XPRG_ERR_OK;
-
- struct
- {
- uint8_t MemoryType;
- uint32_t Address;
- } Erase_XPROG_Params;
-
- Endpoint_Read_Stream_LE(&Erase_XPROG_Params, sizeof(Erase_XPROG_Params), NO_STREAM_CALLBACK);
- Erase_XPROG_Params.Address = SwapEndian_32(Erase_XPROG_Params.Address);
-
- Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
- Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-
- uint8_t EraseCommand;
-
- if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI)
- {
- /* Determine which NVM command to send to the device depending on the memory to erase */
- switch (Erase_XPROG_Params.MemoryType)
- {
- case XPRG_ERASE_CHIP:
- EraseCommand = XMEGA_NVM_CMD_CHIPERASE;
- break;
- case XPRG_ERASE_APP:
- EraseCommand = XMEGA_NVM_CMD_ERASEAPPSEC;
- break;
- case XPRG_ERASE_BOOT:
- EraseCommand = XMEGA_NVM_CMD_ERASEBOOTSEC;
- break;
- case XPRG_ERASE_EEPROM:
- EraseCommand = XMEGA_NVM_CMD_ERASEEEPROM;
- break;
- case XPRG_ERASE_APP_PAGE:
- EraseCommand = XMEGA_NVM_CMD_ERASEAPPSECPAGE;
- break;
- case XPRG_ERASE_BOOT_PAGE:
- EraseCommand = XMEGA_NVM_CMD_ERASEBOOTSECPAGE;
- break;
- case XPRG_ERASE_EEPROM_PAGE:
- EraseCommand = XMEGA_NVM_CMD_ERASEEEPROMPAGE;
- break;
- case XPRG_ERASE_USERSIG:
- EraseCommand = XMEGA_NVM_CMD_ERASEUSERSIG;
- break;
- default:
- EraseCommand = XMEGA_NVM_CMD_NOOP;
- break;
- }
-
- /* Erase the target memory, indicate timeout if ocurred */
- if (!(XMEGANVM_EraseMemory(EraseCommand, Erase_XPROG_Params.Address)))
- ReturnStatus = XPRG_ERR_TIMEOUT;
- }
- else
- {
- if (Erase_XPROG_Params.MemoryType == XPRG_ERASE_CHIP)
- EraseCommand = TINY_NVM_CMD_CHIPERASE;
- else
- EraseCommand = TINY_NVM_CMD_SECTIONERASE;
-
- /* Erase the target memory, indicate timeout if ocurred */
- if (!(TINYNVM_EraseMemory(EraseCommand, Erase_XPROG_Params.Address)))
- ReturnStatus = XPRG_ERR_TIMEOUT;
- }
-
- Endpoint_Write_Byte(CMD_XPROG);
- Endpoint_Write_Byte(XPRG_CMD_ERASE);
- Endpoint_Write_Byte(ReturnStatus);
- Endpoint_ClearIN();
-}
-
-/** Handler for the XPROG WRITE_MEMORY command to write to a specific memory space within the attached device. */
-static void XPROGProtocol_WriteMemory(void)
-{
- uint8_t ReturnStatus = XPRG_ERR_OK;
-
- struct
- {
- uint8_t MemoryType;
- uint8_t PageMode;
- uint32_t Address;
- uint16_t Length;
- uint8_t ProgData[256];
- } WriteMemory_XPROG_Params;
-
- Endpoint_Read_Stream_LE(&WriteMemory_XPROG_Params, (sizeof(WriteMemory_XPROG_Params) -
- sizeof(WriteMemory_XPROG_Params).ProgData), NO_STREAM_CALLBACK);
- WriteMemory_XPROG_Params.Address = SwapEndian_32(WriteMemory_XPROG_Params.Address);
- WriteMemory_XPROG_Params.Length = SwapEndian_16(WriteMemory_XPROG_Params.Length);
- Endpoint_Read_Stream_LE(&WriteMemory_XPROG_Params.ProgData, WriteMemory_XPROG_Params.Length, NO_STREAM_CALLBACK);
-
- Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
- Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-
- if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI)
- {
- /* Assume FLASH page programming by default, as it is the common case */
- uint8_t WriteCommand = XMEGA_NVM_CMD_WRITEFLASHPAGE;
- uint8_t WriteBuffCommand = XMEGA_NVM_CMD_LOADFLASHPAGEBUFF;
- uint8_t EraseBuffCommand = XMEGA_NVM_CMD_ERASEFLASHPAGEBUFF;
- bool PagedMemory = true;
-
- switch (WriteMemory_XPROG_Params.MemoryType)
- {
- case XPRG_MEM_TYPE_APPL:
- WriteCommand = XMEGA_NVM_CMD_WRITEAPPSECPAGE;
- break;
- case XPRG_MEM_TYPE_BOOT:
- WriteCommand = XMEGA_NVM_CMD_WRITEBOOTSECPAGE;
- break;
- case XPRG_MEM_TYPE_EEPROM:
- WriteCommand = XMEGA_NVM_CMD_WRITEEEPROMPAGE;
- WriteBuffCommand = XMEGA_NVM_CMD_LOADEEPROMPAGEBUFF;
- EraseBuffCommand = XMEGA_NVM_CMD_ERASEEEPROMPAGEBUFF;
- break;
- case XPRG_MEM_TYPE_USERSIG:
- /* User signature is paged, but needs us to manually indicate the mode bits since the host doesn't set them */
- WriteMemory_XPROG_Params.PageMode = (XPRG_PAGEMODE_ERASE | XPRG_PAGEMODE_WRITE);
- WriteCommand = XMEGA_NVM_CMD_WRITEUSERSIG;
- break;
- case XPRG_MEM_TYPE_FUSE:
- WriteCommand = XMEGA_NVM_CMD_WRITEFUSE;
- PagedMemory = false;
- break;
- case XPRG_MEM_TYPE_LOCKBITS:
- WriteCommand = XMEGA_NVM_CMD_WRITELOCK;
- PagedMemory = false;
- break;
- }
-
- /* Send the appropriate memory write commands to the device, indicate timeout if occurred */
- if ((PagedMemory && !(XMEGANVM_WritePageMemory(WriteBuffCommand, EraseBuffCommand, WriteCommand,
- WriteMemory_XPROG_Params.PageMode, WriteMemory_XPROG_Params.Address,
- WriteMemory_XPROG_Params.ProgData, WriteMemory_XPROG_Params.Length))) ||
- (!PagedMemory && !(XMEGANVM_WriteByteMemory(WriteCommand, WriteMemory_XPROG_Params.Address,
- WriteMemory_XPROG_Params.ProgData[0]))))
- {
- ReturnStatus = XPRG_ERR_TIMEOUT;
- }
- }
- else
- {
- /* Send write command to the TPI device, indicate timeout if occurred */
- if (!(TINYNVM_WriteMemory(WriteMemory_XPROG_Params.Address, WriteMemory_XPROG_Params.ProgData,
- WriteMemory_XPROG_Params.Length)))
- {
- ReturnStatus = XPRG_ERR_TIMEOUT;
- }
- }
-
- Endpoint_Write_Byte(CMD_XPROG);
- Endpoint_Write_Byte(XPRG_CMD_WRITE_MEM);
- Endpoint_Write_Byte(ReturnStatus);
- Endpoint_ClearIN();
-}
-
-/** Handler for the XPROG READ_MEMORY command to read data from a specific address space within the
- * attached device.
- */
-static void XPROGProtocol_ReadMemory(void)
-{
- uint8_t ReturnStatus = XPRG_ERR_OK;
-
- struct
- {
- uint8_t MemoryType;
- uint32_t Address;
- uint16_t Length;
- } ReadMemory_XPROG_Params;
-
- Endpoint_Read_Stream_LE(&ReadMemory_XPROG_Params, sizeof(ReadMemory_XPROG_Params), NO_STREAM_CALLBACK);
- ReadMemory_XPROG_Params.Address = SwapEndian_32(ReadMemory_XPROG_Params.Address);
- ReadMemory_XPROG_Params.Length = SwapEndian_16(ReadMemory_XPROG_Params.Length);
-
- Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
- Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-
- uint8_t ReadBuffer[256];
-
- if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI)
- {
- /* Read the PDI target's memory, indicate timeout if occurred */
- if (!(XMEGANVM_ReadMemory(ReadMemory_XPROG_Params.Address, ReadBuffer, ReadMemory_XPROG_Params.Length)))
- ReturnStatus = XPRG_ERR_TIMEOUT;
- }
- else
- {
- /* Read the TPI target's memory, indicate timeout if occurred */
- if (!(TINYNVM_ReadMemory(ReadMemory_XPROG_Params.Address, ReadBuffer, ReadMemory_XPROG_Params.Length)))
- ReturnStatus = XPRG_ERR_TIMEOUT;
- }
-
- Endpoint_Write_Byte(CMD_XPROG);
- Endpoint_Write_Byte(XPRG_CMD_READ_MEM);
- Endpoint_Write_Byte(ReturnStatus);
-
- if (ReturnStatus == XPRG_ERR_OK)
- Endpoint_Write_Stream_LE(ReadBuffer, ReadMemory_XPROG_Params.Length, NO_STREAM_CALLBACK);
-
- Endpoint_ClearIN();
-}
-
-/** Handler for the XPROG CRC command to read a specific memory space's CRC value for comparison between the
- * attached device's memory and a data set on the host.
- */
-static void XPROGProtocol_ReadCRC(void)
-{
- uint8_t ReturnStatus = XPRG_ERR_OK;
-
- struct
- {
- uint8_t CRCType;
- } ReadCRC_XPROG_Params;
-
- Endpoint_Read_Stream_LE(&ReadCRC_XPROG_Params, sizeof(ReadCRC_XPROG_Params), NO_STREAM_CALLBACK);
-
- Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
- Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-
- uint32_t MemoryCRC;
-
- if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI)
- {
- uint8_t CRCCommand;
-
- /* Determine which NVM command to send to the device depending on the memory to CRC */
- switch (ReadCRC_XPROG_Params.CRCType)
- {
- case XPRG_CRC_APP:
- CRCCommand = XMEGA_NVM_CMD_APPCRC;
- break;
- case XPRG_CRC_BOOT:
- CRCCommand = XMEGA_NVM_CMD_BOOTCRC;
- break;
- default:
- CRCCommand = XMEGA_NVM_CMD_FLASHCRC;
- break;
- }
-
- /* Perform and retrieve the memory CRC, indicate timeout if occurred */
- if (!(XMEGANVM_GetMemoryCRC(CRCCommand, &MemoryCRC)))
- ReturnStatus = XPRG_ERR_TIMEOUT;
- }
- else
- {
- /* TPI does not support memory CRC */
- ReturnStatus = XPRG_ERR_FAILED;
- }
-
- Endpoint_Write_Byte(CMD_XPROG);
- Endpoint_Write_Byte(XPRG_CMD_CRC);
- Endpoint_Write_Byte(ReturnStatus);
-
- if (ReturnStatus == XPRG_ERR_OK)
- {
- Endpoint_Write_Byte(MemoryCRC >> 16);
- Endpoint_Write_Word_LE(MemoryCRC & 0xFFFF);
- }
-
- Endpoint_ClearIN();
-}
-
-/** Handler for the XPROG SET_PARAM command to set a XPROG parameter for use when communicating with the
- * attached device.
- */
-static void XPROGProtocol_SetParam(void)
-{
- uint8_t ReturnStatus = XPRG_ERR_OK;
-
- uint8_t XPROGParam = Endpoint_Read_Byte();
-
- /* Determine which parameter is being set, store the new parameter value */
- switch (XPROGParam)
- {
- case XPRG_PARAM_NVMBASE:
- XPROG_Param_NVMBase = Endpoint_Read_DWord_BE();
- break;
- case XPRG_PARAM_EEPPAGESIZE:
- XPROG_Param_EEPageSize = Endpoint_Read_Word_BE();
- break;
- case XPRG_PARAM_NVMCMD_REG:
- XPROG_Param_NVMCMDRegAddr = Endpoint_Read_Byte();
- break;
- case XPRG_PARAM_NVMCSR_REG:
- XPROG_Param_NVMCSRRegAddr = Endpoint_Read_Byte();
- break;
- default:
- ReturnStatus = XPRG_ERR_FAILED;
- break;
- }
-
- Endpoint_ClearOUT();
- Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
- Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-
- Endpoint_Write_Byte(CMD_XPROG);
- Endpoint_Write_Byte(XPRG_CMD_SET_PARAM);
- Endpoint_Write_Byte(ReturnStatus);
- Endpoint_ClearIN();
-}
-
-#endif
+/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2010 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 disclaim 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 + * + * XPROG Protocol handler, to process V2 Protocol wrapped XPROG commands used in Atmel programmer devices. + */ + +#define INCLUDE_FROM_XPROGPROTOCOL_C +#include "XPROGProtocol.h" + +#if defined(ENABLE_XPROG_PROTOCOL) || defined(__DOXYGEN__) +/** Base absolute address for the target's NVM controller for PDI programming */ +uint32_t XPROG_Param_NVMBase = 0x010001C0; + +/** Size in bytes of the target's EEPROM page */ +uint16_t XPROG_Param_EEPageSize; + +/** Address of the TPI device's NVMCMD register for TPI programming */ +uint8_t XPROG_Param_NVMCMDRegAddr; + +/** Address of the TPI device's NVMCSR register for TPI programming */ +uint8_t XPROG_Param_NVMCSRRegAddr; + +/** Currently selected XPROG programming protocol */ +uint8_t XPROG_SelectedProtocol = XPRG_PROTOCOL_PDI; + +/** Handler for the CMD_XPROG_SETMODE command, which sets the programmer-to-target protocol used for PDI/TPI + * programming. + */ +void XPROGProtocol_SetMode(void) +{ + struct + { + uint8_t Protocol; + } SetMode_XPROG_Params; + + Endpoint_Read_Stream_LE(&SetMode_XPROG_Params, sizeof(SetMode_XPROG_Params), NO_STREAM_CALLBACK); + + Endpoint_ClearOUT(); + Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM); + Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN); + + XPROG_SelectedProtocol = SetMode_XPROG_Params.Protocol; + + Endpoint_Write_Byte(CMD_XPROG_SETMODE); + Endpoint_Write_Byte((SetMode_XPROG_Params.Protocol != XPRG_PROTOCOL_JTAG) ? STATUS_CMD_OK : STATUS_CMD_FAILED); + Endpoint_ClearIN(); +} + +/** Handler for the CMD_XPROG command, which wraps up XPROG commands in a V2 wrapper which need to be + * removed and processed so that the underlying XPROG command can be handled. + */ +void XPROGProtocol_Command(void) +{ + uint8_t XPROGCommand = Endpoint_Read_Byte(); + + switch (XPROGCommand) + { + case XPRG_CMD_ENTER_PROGMODE: + XPROGProtocol_EnterXPROGMode(); + break; + case XPRG_CMD_LEAVE_PROGMODE: + XPROGProtocol_LeaveXPROGMode(); + break; + case XPRG_CMD_ERASE: + XPROGProtocol_Erase(); + break; + case XPRG_CMD_WRITE_MEM: + XPROGProtocol_WriteMemory(); + break; + case XPRG_CMD_READ_MEM: + XPROGProtocol_ReadMemory(); + break; + case XPRG_CMD_CRC: + XPROGProtocol_ReadCRC(); + break; + case XPRG_CMD_SET_PARAM: + XPROGProtocol_SetParam(); + break; + } +} + +/** Handler for the XPROG ENTER_PROGMODE command to establish a connection with the attached device. */ +static void XPROGProtocol_EnterXPROGMode(void) +{ + Endpoint_ClearOUT(); + Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM); + Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN); + + bool NVMBusEnabled; + + if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI) + { + /* Enable PDI programming mode with the attached target */ + XPROGTarget_EnableTargetPDI(); + + /* Store the RESET key into the RESET PDI register to keep the XMEGA in reset */ + XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG); + XPROGTarget_SendByte(PDI_RESET_KEY); + + /* Lower direction change guard time to 0 USART bits */ + XPROGTarget_SendByte(PDI_CMD_STCS | PDI_CTRL_REG); + XPROGTarget_SendByte(0x07); + + /* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */ + XPROGTarget_SendByte(PDI_CMD_KEY); + for (uint8_t i = sizeof(PDI_NVMENABLE_KEY); i > 0; i--) + XPROGTarget_SendByte(PDI_NVMENABLE_KEY[i - 1]); + + /* Wait until the NVM bus becomes active */ + NVMBusEnabled = XMEGANVM_WaitWhileNVMBusBusy(); + } + else + { + /* Enable TPI programming mode with the attached target */ + XPROGTarget_EnableTargetTPI(); + + /* Lower direction change guard time to 0 USART bits */ + XPROGTarget_SendByte(TPI_CMD_SSTCS | TPI_CTRL_REG); + XPROGTarget_SendByte(0x07); + + /* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */ + XPROGTarget_SendByte(TPI_CMD_SKEY); + for (uint8_t i = sizeof(TPI_NVMENABLE_KEY); i > 0; i--) + XPROGTarget_SendByte(TPI_NVMENABLE_KEY[i - 1]); + + /* Wait until the NVM bus becomes active */ + NVMBusEnabled = TINYNVM_WaitWhileNVMBusBusy(); + } + + Endpoint_Write_Byte(CMD_XPROG); + Endpoint_Write_Byte(XPRG_CMD_ENTER_PROGMODE); + Endpoint_Write_Byte(NVMBusEnabled ? XPRG_ERR_OK : XPRG_ERR_FAILED); + Endpoint_ClearIN(); +} + +/** Handler for the XPROG LEAVE_PROGMODE command to terminate the PDI programming connection with + * the attached device. + */ +static void XPROGProtocol_LeaveXPROGMode(void) +{ + Endpoint_ClearOUT(); + Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM); + Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN); + + if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI) + { + XMEGANVM_WaitWhileNVMBusBusy(); + + /* Clear the RESET key in the RESET PDI register to allow the XMEGA to run */ + XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG); + XPROGTarget_SendByte(0x00); + + /* Do it twice to make sure it takes affect (silicon bug?) */ + XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG); + XPROGTarget_SendByte(0x00); + + XPROGTarget_DisableTargetPDI(); + } + else + { + TINYNVM_WaitWhileNVMBusBusy(); + + /* Clear the NVMEN bit in the TPI CONTROL register to disable TPI mode */ + XPROGTarget_SendByte(TPI_CMD_SSTCS | TPI_CTRL_REG); + XPROGTarget_SendByte(0x00); + + XPROGTarget_DisableTargetTPI(); + } + + Endpoint_Write_Byte(CMD_XPROG); + Endpoint_Write_Byte(XPRG_CMD_LEAVE_PROGMODE); + Endpoint_Write_Byte(XPRG_ERR_OK); + Endpoint_ClearIN(); +} + +/** Handler for the XPRG ERASE command to erase a specific memory address space in the attached device. */ +static void XPROGProtocol_Erase(void) +{ + uint8_t ReturnStatus = XPRG_ERR_OK; + + struct + { + uint8_t MemoryType; + uint32_t Address; + } Erase_XPROG_Params; + + Endpoint_Read_Stream_LE(&Erase_XPROG_Params, sizeof(Erase_XPROG_Params), NO_STREAM_CALLBACK); + Erase_XPROG_Params.Address = SwapEndian_32(Erase_XPROG_Params.Address); + + Endpoint_ClearOUT(); + Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM); + Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN); + + uint8_t EraseCommand; + + if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI) + { + /* Determine which NVM command to send to the device depending on the memory to erase */ + switch (Erase_XPROG_Params.MemoryType) + { + case XPRG_ERASE_CHIP: + EraseCommand = XMEGA_NVM_CMD_CHIPERASE; + break; + case XPRG_ERASE_APP: + EraseCommand = XMEGA_NVM_CMD_ERASEAPPSEC; + break; + case XPRG_ERASE_BOOT: + EraseCommand = XMEGA_NVM_CMD_ERASEBOOTSEC; + break; + case XPRG_ERASE_EEPROM: + EraseCommand = XMEGA_NVM_CMD_ERASEEEPROM; + break; + case XPRG_ERASE_APP_PAGE: + EraseCommand = XMEGA_NVM_CMD_ERASEAPPSECPAGE; + break; + case XPRG_ERASE_BOOT_PAGE: + EraseCommand = XMEGA_NVM_CMD_ERASEBOOTSECPAGE; + break; + case XPRG_ERASE_EEPROM_PAGE: + EraseCommand = XMEGA_NVM_CMD_ERASEEEPROMPAGE; + break; + case XPRG_ERASE_USERSIG: + EraseCommand = XMEGA_NVM_CMD_ERASEUSERSIG; + break; + default: + EraseCommand = XMEGA_NVM_CMD_NOOP; + break; + } + + /* Erase the target memory, indicate timeout if ocurred */ + if (!(XMEGANVM_EraseMemory(EraseCommand, Erase_XPROG_Params.Address))) + ReturnStatus = XPRG_ERR_TIMEOUT; + } + else + { + if (Erase_XPROG_Params.MemoryType == XPRG_ERASE_CHIP) + EraseCommand = TINY_NVM_CMD_CHIPERASE; + else + EraseCommand = TINY_NVM_CMD_SECTIONERASE; + + /* Erase the target memory, indicate timeout if ocurred */ + if (!(TINYNVM_EraseMemory(EraseCommand, Erase_XPROG_Params.Address))) + ReturnStatus = XPRG_ERR_TIMEOUT; + } + + Endpoint_Write_Byte(CMD_XPROG); + Endpoint_Write_Byte(XPRG_CMD_ERASE); + Endpoint_Write_Byte(ReturnStatus); + Endpoint_ClearIN(); +} + +/** Handler for the XPROG WRITE_MEMORY command to write to a specific memory space within the attached device. */ +static void XPROGProtocol_WriteMemory(void) +{ + uint8_t ReturnStatus = XPRG_ERR_OK; + + struct + { + uint8_t MemoryType; + uint8_t PageMode; + uint32_t Address; + uint16_t Length; + uint8_t ProgData[256]; + } WriteMemory_XPROG_Params; + + Endpoint_Read_Stream_LE(&WriteMemory_XPROG_Params, (sizeof(WriteMemory_XPROG_Params) - + sizeof(WriteMemory_XPROG_Params).ProgData), NO_STREAM_CALLBACK); + WriteMemory_XPROG_Params.Address = SwapEndian_32(WriteMemory_XPROG_Params.Address); + WriteMemory_XPROG_Params.Length = SwapEndian_16(WriteMemory_XPROG_Params.Length); + Endpoint_Read_Stream_LE(&WriteMemory_XPROG_Params.ProgData, WriteMemory_XPROG_Params.Length, NO_STREAM_CALLBACK); + + Endpoint_ClearOUT(); + Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM); + Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN); + + if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI) + { + /* Assume FLASH page programming by default, as it is the common case */ + uint8_t WriteCommand = XMEGA_NVM_CMD_WRITEFLASHPAGE; + uint8_t WriteBuffCommand = XMEGA_NVM_CMD_LOADFLASHPAGEBUFF; + uint8_t EraseBuffCommand = XMEGA_NVM_CMD_ERASEFLASHPAGEBUFF; + bool PagedMemory = true; + + switch (WriteMemory_XPROG_Params.MemoryType) + { + case XPRG_MEM_TYPE_APPL: + WriteCommand = XMEGA_NVM_CMD_WRITEAPPSECPAGE; + break; + case XPRG_MEM_TYPE_BOOT: + WriteCommand = XMEGA_NVM_CMD_WRITEBOOTSECPAGE; + break; + case XPRG_MEM_TYPE_EEPROM: + WriteCommand = XMEGA_NVM_CMD_WRITEEEPROMPAGE; + WriteBuffCommand = XMEGA_NVM_CMD_LOADEEPROMPAGEBUFF; + EraseBuffCommand = XMEGA_NVM_CMD_ERASEEEPROMPAGEBUFF; + break; + case XPRG_MEM_TYPE_USERSIG: + /* User signature is paged, but needs us to manually indicate the mode bits since the host doesn't set them */ + WriteMemory_XPROG_Params.PageMode = (XPRG_PAGEMODE_ERASE | XPRG_PAGEMODE_WRITE); + WriteCommand = XMEGA_NVM_CMD_WRITEUSERSIG; + break; + case XPRG_MEM_TYPE_FUSE: + WriteCommand = XMEGA_NVM_CMD_WRITEFUSE; + PagedMemory = false; + break; + case XPRG_MEM_TYPE_LOCKBITS: + WriteCommand = XMEGA_NVM_CMD_WRITELOCK; + PagedMemory = false; + break; + } + + /* Send the appropriate memory write commands to the device, indicate timeout if occurred */ + if ((PagedMemory && !(XMEGANVM_WritePageMemory(WriteBuffCommand, EraseBuffCommand, WriteCommand, + WriteMemory_XPROG_Params.PageMode, WriteMemory_XPROG_Params.Address, + WriteMemory_XPROG_Params.ProgData, WriteMemory_XPROG_Params.Length))) || + (!PagedMemory && !(XMEGANVM_WriteByteMemory(WriteCommand, WriteMemory_XPROG_Params.Address, + WriteMemory_XPROG_Params.ProgData[0])))) + { + ReturnStatus = XPRG_ERR_TIMEOUT; + } + } + else + { + /* Send write command to the TPI device, indicate timeout if occurred */ + if (!(TINYNVM_WriteMemory(WriteMemory_XPROG_Params.Address, WriteMemory_XPROG_Params.ProgData, + WriteMemory_XPROG_Params.Length))) + { + ReturnStatus = XPRG_ERR_TIMEOUT; + } + } + + Endpoint_Write_Byte(CMD_XPROG); + Endpoint_Write_Byte(XPRG_CMD_WRITE_MEM); + Endpoint_Write_Byte(ReturnStatus); + Endpoint_ClearIN(); +} + +/** Handler for the XPROG READ_MEMORY command to read data from a specific address space within the + * attached device. + */ +static void XPROGProtocol_ReadMemory(void) +{ + uint8_t ReturnStatus = XPRG_ERR_OK; + + struct + { + uint8_t MemoryType; + uint32_t Address; + uint16_t Length; + } ReadMemory_XPROG_Params; + + Endpoint_Read_Stream_LE(&ReadMemory_XPROG_Params, sizeof(ReadMemory_XPROG_Params), NO_STREAM_CALLBACK); + ReadMemory_XPROG_Params.Address = SwapEndian_32(ReadMemory_XPROG_Params.Address); + ReadMemory_XPROG_Params.Length = SwapEndian_16(ReadMemory_XPROG_Params.Length); + + Endpoint_ClearOUT(); + Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM); + Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN); + + uint8_t ReadBuffer[256]; + + if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI) + { + /* Read the PDI target's memory, indicate timeout if occurred */ + if (!(XMEGANVM_ReadMemory(ReadMemory_XPROG_Params.Address, ReadBuffer, ReadMemory_XPROG_Params.Length))) + ReturnStatus = XPRG_ERR_TIMEOUT; + } + else + { + /* Read the TPI target's memory, indicate timeout if occurred */ + if (!(TINYNVM_ReadMemory(ReadMemory_XPROG_Params.Address, ReadBuffer, ReadMemory_XPROG_Params.Length))) + ReturnStatus = XPRG_ERR_TIMEOUT; + } + + Endpoint_Write_Byte(CMD_XPROG); + Endpoint_Write_Byte(XPRG_CMD_READ_MEM); + Endpoint_Write_Byte(ReturnStatus); + + if (ReturnStatus == XPRG_ERR_OK) + Endpoint_Write_Stream_LE(ReadBuffer, ReadMemory_XPROG_Params.Length, NO_STREAM_CALLBACK); + + Endpoint_ClearIN(); +} + +/** Handler for the XPROG CRC command to read a specific memory space's CRC value for comparison between the + * attached device's memory and a data set on the host. + */ +static void XPROGProtocol_ReadCRC(void) +{ + uint8_t ReturnStatus = XPRG_ERR_OK; + + struct + { + uint8_t CRCType; + } ReadCRC_XPROG_Params; + + Endpoint_Read_Stream_LE(&ReadCRC_XPROG_Params, sizeof(ReadCRC_XPROG_Params), NO_STREAM_CALLBACK); + + Endpoint_ClearOUT(); + Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM); + Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN); + + uint32_t MemoryCRC; + + if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI) + { + uint8_t CRCCommand; + + /* Determine which NVM command to send to the device depending on the memory to CRC */ + switch (ReadCRC_XPROG_Params.CRCType) + { + case XPRG_CRC_APP: + CRCCommand = XMEGA_NVM_CMD_APPCRC; + break; + case XPRG_CRC_BOOT: + CRCCommand = XMEGA_NVM_CMD_BOOTCRC; + break; + default: + CRCCommand = XMEGA_NVM_CMD_FLASHCRC; + break; + } + + /* Perform and retrieve the memory CRC, indicate timeout if occurred */ + if (!(XMEGANVM_GetMemoryCRC(CRCCommand, &MemoryCRC))) + ReturnStatus = XPRG_ERR_TIMEOUT; + } + else + { + /* TPI does not support memory CRC */ + ReturnStatus = XPRG_ERR_FAILED; + } + + Endpoint_Write_Byte(CMD_XPROG); + Endpoint_Write_Byte(XPRG_CMD_CRC); + Endpoint_Write_Byte(ReturnStatus); + + if (ReturnStatus == XPRG_ERR_OK) + { + Endpoint_Write_Byte(MemoryCRC >> 16); + Endpoint_Write_Word_LE(MemoryCRC & 0xFFFF); + } + + Endpoint_ClearIN(); +} + +/** Handler for the XPROG SET_PARAM command to set a XPROG parameter for use when communicating with the + * attached device. + */ +static void XPROGProtocol_SetParam(void) +{ + uint8_t ReturnStatus = XPRG_ERR_OK; + + uint8_t XPROGParam = Endpoint_Read_Byte(); + + /* Determine which parameter is being set, store the new parameter value */ + switch (XPROGParam) + { + case XPRG_PARAM_NVMBASE: + XPROG_Param_NVMBase = Endpoint_Read_DWord_BE(); + break; + case XPRG_PARAM_EEPPAGESIZE: + XPROG_Param_EEPageSize = Endpoint_Read_Word_BE(); + break; + case XPRG_PARAM_NVMCMD_REG: + XPROG_Param_NVMCMDRegAddr = Endpoint_Read_Byte(); + break; + case XPRG_PARAM_NVMCSR_REG: + XPROG_Param_NVMCSRRegAddr = Endpoint_Read_Byte(); + break; + default: + ReturnStatus = XPRG_ERR_FAILED; + break; + } + + Endpoint_ClearOUT(); + Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM); + Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN); + + Endpoint_Write_Byte(CMD_XPROG); + Endpoint_Write_Byte(XPRG_CMD_SET_PARAM); + Endpoint_Write_Byte(ReturnStatus); + Endpoint_ClearIN(); +} + +#endif |