diff options
Diffstat (limited to 'Projects/AVRISP/Lib')
| -rw-r--r-- | Projects/AVRISP/Lib/V2Protocol.c | 608 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2Protocol.h | 84 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2ProtocolConstants.h | 86 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2ProtocolParams.c | 166 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2ProtocolParams.h | 76 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2ProtocolTarget.c | 183 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2ProtocolTarget.h | 80 |
7 files changed, 1283 insertions, 0 deletions
diff --git a/Projects/AVRISP/Lib/V2Protocol.c b/Projects/AVRISP/Lib/V2Protocol.c new file mode 100644 index 000000000..248c50d24 --- /dev/null +++ b/Projects/AVRISP/Lib/V2Protocol.c @@ -0,0 +1,608 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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
+ *
+ * V2Protocol handler, to process V2 Protocol commands used in Atmel programmer devices.
+ */
+
+#define INCLUDE_FROM_V2PROTOCOL_C
+#include "V2Protocol.h"
+
+/** Master V2 Protocol packet handler, for receieved V2 Protocol packets from a connected host.
+ * This routine decodes the issued command and passes off the handling of the command to the
+ * appropriate function.
+ */
+void V2Protocol_ProcessCommand(void) +{ + uint8_t V2Command = Endpoint_Read_Byte();
+
+ switch (V2Command)
+ {
+ case CMD_SIGN_ON:
+ V2Protocol_Command_SignOn();
+ break;
+ case CMD_SET_PARAMETER:
+ case CMD_GET_PARAMETER:
+ V2Protocol_Command_GetSetParam(V2Command);
+ break;
+ case CMD_LOAD_ADDRESS:
+ V2Protocol_Command_LoadAddress();
+ break;
+ case CMD_RESET_PROTECTION:
+ V2Protocol_Command_ResetProtection();
+ break;
+ case CMD_ENTER_PROGMODE_ISP:
+ V2Protocol_Command_EnterISPMode();
+ break;
+ case CMD_LEAVE_PROGMODE_ISP:
+ V2Protocol_Command_LeaveISPMode();
+ break;
+ case CMD_PROGRAM_FLASH_ISP:
+ case CMD_PROGRAM_EEPROM_ISP:
+ V2Protocol_Command_ProgramMemory(V2Command);
+ break;
+ case CMD_READ_FLASH_ISP:
+ case CMD_READ_EEPROM_ISP:
+ V2Protocol_Command_ReadMemory(V2Command);
+ break;
+ case CMD_CHIP_ERASE_ISP:
+ V2Protocol_Command_ChipErase();
+ break;
+ case CMD_READ_FUSE_ISP:
+ case CMD_READ_LOCK_ISP:
+ case CMD_READ_SIGNATURE_ISP:
+ case CMD_READ_OSCCAL_ISP:
+ V2Protocol_Command_ReadFuseLockSigOSCCAL(V2Command);
+ break;
+ case CMD_PROGRAM_FUSE_ISP:
+ case CMD_PROGRAM_LOCK_ISP:
+ V2Protocol_Command_WriteFuseLock(V2Command);
+ break;
+ case CMD_SPI_MULTI:
+ V2Protocol_Command_SPIMulti();
+ break;
+ default:
+ V2Protocol_Command_Unknown(V2Command);
+ break;
+ }
+
+ Endpoint_WaitUntilReady();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_OUT); +} +
+/** Handler for unknown V2 protocol commands. This discards all sent data and returns a
+ * STATUS_CMD_UNKNOWN status back to the host.
+ *
+ * \param V2Command Issued V2 Protocol command byte from the host
+ */
+static void V2Protocol_Command_Unknown(uint8_t V2Command)
+{
+ /* Discard all incomming data */
+ while (Endpoint_BytesInEndpoint() == AVRISP_DATA_EPSIZE)
+ {
+ Endpoint_ClearOUT();
+ Endpoint_WaitUntilReady();
+ }
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ Endpoint_Write_Byte(V2Command);
+ Endpoint_Write_Byte(STATUS_CMD_UNKNOWN);
+ Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_SIGN_ON command, returning the programmer ID string to the host. */ +static void V2Protocol_Command_SignOn(void)
+{
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ Endpoint_Write_Byte(CMD_SIGN_ON);
+ Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_Write_Byte(sizeof(PROGRAMMER_ID) - 1);
+ Endpoint_Write_Stream_LE(PROGRAMMER_ID, (sizeof(PROGRAMMER_ID) - 1));
+ Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_SET_PARAMETER and CMD_GET_PARAMETER commands from the host, setting or
+ * getting a device parameter's value from the parameter table.
+ *
+ * \param V2Command Issued V2 Protocol command byte from the host
+ */
+static void V2Protocol_Command_GetSetParam(uint8_t V2Command)
+{
+ uint8_t ParamID = Endpoint_Read_Byte();
+ uint8_t ParamValue;
+
+ if (V2Command == CMD_SET_PARAMETER)
+ ParamValue = Endpoint_Read_Byte();
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ Endpoint_Write_Byte(V2Command);
+
+ uint8_t ParamPrivs = V2Params_GetParameterPrivellages(ParamID);
+
+ if ((V2Command == CMD_SET_PARAMETER) && (ParamPrivs & PARAM_PRIV_WRITE))
+ {
+ Endpoint_Write_Byte(STATUS_CMD_OK);
+ V2Params_SetParameterValue(ParamID, ParamValue);
+ }
+ else if ((V2Command == CMD_GET_PARAMETER) && (ParamPrivs & PARAM_PRIV_READ))
+ {
+ Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_Write_Byte(V2Params_GetParameterValue(ParamID));
+ }
+ else
+ {
+ Endpoint_Write_Byte(STATUS_CMD_FAILED);
+ }
+
+ Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_LOAD_ADDRESS command, loading the given device address into a
+ * global storage variable for later use, and issuing LOAD EXTENDED ADDRESS commands
+ * to the attached device as required.
+ */
+static void V2Protocol_Command_LoadAddress(void)
+{
+ Endpoint_Read_Stream_BE(&CurrentAddress, sizeof(CurrentAddress));
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ if (CurrentAddress & (1UL << 31))
+ V2Protocol_LoadExtendedAddress();
+
+ Endpoint_Write_Byte(CMD_LOAD_ADDRESS);
+ Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_RESET_PROTECTION command, currently implemented as a dummy ACK function
+ * as no ISP short-circuit protection is currently implemented.
+ */
+static void V2Protocol_Command_ResetProtection(void)
+{
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ Endpoint_Write_Byte(CMD_RESET_PROTECTION);
+ Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_ClearIN();
+}
+
+/** 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.
+ */
+static void V2Protocol_Command_EnterISPMode(void)
+{
+ struct
+ {
+ uint8_t TimeoutMS;
+ uint8_t PinStabDelayMS;
+ uint8_t ExecutionDelayMS;
+ uint8_t SynchLoops;
+ uint8_t ByteDelay;
+ uint8_t PollValue;
+ uint8_t PollIndex;
+ uint8_t EnterProgBytes[4];
+ } Enter_ISP_Params;
+
+ Endpoint_Read_Stream_LE(&Enter_ISP_Params, sizeof(Enter_ISP_Params));
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ uint8_t ResponseStatus = STATUS_CMD_FAILED;
+
+ CurrentAddress = 0;
+
+ V2Protocol_DelayMS(Enter_ISP_Params.ExecutionDelayMS);
+ SPI_Init(V2Protocol_GetSPIPrescalerMask() | SPI_SCK_LEAD_RISING | SPI_SAMPLE_LEADING | SPI_MODE_MASTER);
+
+ while (Enter_ISP_Params.SynchLoops-- && (ResponseStatus == STATUS_CMD_FAILED))
+ {
+ uint8_t ResponseBytes[4];
+
+ V2Protocol_ChangeTargetResetLine(true);
+ V2Protocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
+
+ for (uint8_t RByte = 0; RByte < sizeof(ResponseBytes); RByte++)
+ {
+ V2Protocol_DelayMS(Enter_ISP_Params.ByteDelay);
+ ResponseBytes[RByte] = SPI_TransferByte(Enter_ISP_Params.EnterProgBytes[RByte]);
+ }
+
+ /* Check if polling disabled, or if the polled value matches the expected value */
+ if (!(Enter_ISP_Params.PollIndex) || (ResponseBytes[Enter_ISP_Params.PollIndex - 1] == Enter_ISP_Params.PollValue))
+ {
+ ResponseStatus = STATUS_CMD_OK;
+ }
+ else
+ {
+ V2Protocol_ChangeTargetResetLine(false);
+ V2Protocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
+ }
+ }
+
+ Endpoint_Write_Byte(CMD_ENTER_PROGMODE_ISP);
+ Endpoint_Write_Byte(ResponseStatus);
+ Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_LEAVE_ISP command, which releases the target from programming mode. */
+static void V2Protocol_Command_LeaveISPMode(void)
+{
+ struct
+ {
+ uint8_t PreDelayMS;
+ uint8_t PostDelayMS;
+ } Leave_ISP_Params;
+
+ Endpoint_Read_Stream_LE(&Leave_ISP_Params, sizeof(Leave_ISP_Params));
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ V2Protocol_DelayMS(Leave_ISP_Params.PreDelayMS);
+ V2Protocol_ChangeTargetResetLine(false);
+ SPI_ShutDown();
+ V2Protocol_DelayMS(Leave_ISP_Params.PostDelayMS);
+
+ Endpoint_Write_Byte(CMD_LEAVE_PROGMODE_ISP);
+ Endpoint_Write_Byte(STATUS_CMD_OK);
+ 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.
+ *
+ * \param V2Command Issued V2 Protocol command byte from the host
+ */
+static void V2Protocol_Command_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[512];
+ } Write_Memory_Params;
+
+ uint8_t* NextWriteByte = Write_Memory_Params.ProgData;
+
+ Endpoint_Read_Stream_LE(&Write_Memory_Params, sizeof(Write_Memory_Params) - sizeof(Write_Memory_Params.ProgData));
+ Write_Memory_Params.BytesToWrite = SwapEndian_16(Write_Memory_Params.BytesToWrite);
+ Endpoint_Read_Stream_LE(&Write_Memory_Params.ProgData, Write_Memory_Params.BytesToWrite);
+
+ Endpoint_ClearOUT();
+ 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;
+ if (Write_Memory_Params.ProgrammingMode & PROG_MODE_PAGED_WRITES_MASK)
+ {
+ uint16_t StartAddress = (CurrentAddress & 0xFFFF);
+
+ /* Paged mode memory programming */
+ for (uint16_t CurrentByte = 0; CurrentByte < Write_Memory_Params.BytesToWrite; CurrentByte++)
+ {
+ bool IsOddByte = (CurrentByte & 0x01);
+ uint8_t ByteToWrite = *(NextWriteByte++);
+
+ if (IsOddByte && (V2Command == CMD_PROGRAM_FLASH_ISP))
+ Write_Memory_Params.ProgrammingCommands[0] |= READ_WRITE_HIGH_BYTE_MASK;
+ else
+ Write_Memory_Params.ProgrammingCommands[0] &= ~READ_WRITE_HIGH_BYTE_MASK;
+
+ SPI_SendByte(Write_Memory_Params.ProgrammingCommands[0]);
+ SPI_SendByte(CurrentAddress >> 8);
+ SPI_SendByte(CurrentAddress & 0xFF);
+ SPI_SendByte(ByteToWrite);
+
+ if (!(PollAddress) && (ByteToWrite != PollValue))
+ {
+ if (IsOddByte && (V2Command == CMD_PROGRAM_FLASH_ISP))
+ Write_Memory_Params.ProgrammingCommands[2] |= READ_WRITE_HIGH_BYTE_MASK;
+
+ PollAddress = (CurrentAddress & 0xFFFF);
+ }
+
+ if (IsOddByte || (V2Command == CMD_PROGRAM_EEPROM_ISP))
+ CurrentAddress++;
+ }
+
+ /* 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)
+ {
+ SPI_SendByte(Write_Memory_Params.ProgrammingCommands[1]);
+ SPI_SendByte(StartAddress >> 8);
+ SPI_SendByte(StartAddress & 0xFF);
+ SPI_SendByte(0x00);
+
+ /* Check if polling is possible, 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_TIMEDELAY_MASK;
+ }
+
+ ProgrammingStatus = V2Protocol_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue,
+ Write_Memory_Params.DelayMS, Write_Memory_Params.ProgrammingCommands[2]);
+ }
+ }
+ else
+ {
+ /* Word/byte mode memory programming */
+ for (uint16_t CurrentByte = 0; CurrentByte < Write_Memory_Params.BytesToWrite; CurrentByte++)
+ {
+ bool IsOddByte = (CurrentByte & 0x01);
+ uint8_t ByteToWrite = *(NextWriteByte++);
+
+ if (IsOddByte && (V2Command == CMD_READ_FLASH_ISP))
+ Write_Memory_Params.ProgrammingCommands[0] |= READ_WRITE_HIGH_BYTE_MASK;
+ else
+ Write_Memory_Params.ProgrammingCommands[0] &= ~READ_WRITE_HIGH_BYTE_MASK;
+
+ SPI_SendByte(Write_Memory_Params.ProgrammingCommands[0]);
+ SPI_SendByte(CurrentAddress >> 8);
+ SPI_SendByte(CurrentAddress & 0xFF);
+ SPI_SendByte(ByteToWrite);
+
+ if (ByteToWrite != PollValue)
+ {
+ if (IsOddByte && (V2Command == CMD_PROGRAM_FLASH_ISP))
+ Write_Memory_Params.ProgrammingCommands[2] |= READ_WRITE_HIGH_BYTE_MASK;
+
+ PollAddress = (CurrentAddress & 0xFFFF);
+ }
+
+ if (IsOddByte || (V2Command == CMD_PROGRAM_EEPROM_ISP))
+ CurrentAddress++;
+
+ ProgrammingStatus = V2Protocol_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue,
+ Write_Memory_Params.DelayMS, Write_Memory_Params.ProgrammingCommands[2]);
+
+ if (ProgrammingStatus != STATUS_CMD_OK)
+ break;
+ }
+ }
+
+ Endpoint_Write_Byte(V2Command);
+ Endpoint_Write_Byte(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 V2Command Issued V2 Protocol command byte from the host
+ */
+static void V2Protocol_Command_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));
+ Read_Memory_Params.BytesToRead = SwapEndian_16(Read_Memory_Params.BytesToRead);
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ Endpoint_Write_Byte(V2Command);
+ Endpoint_Write_Byte(STATUS_CMD_OK);
+
+ for (uint16_t CurrentByte = 0; CurrentByte < Read_Memory_Params.BytesToRead; CurrentByte++)
+ {
+ bool IsOddByte = (CurrentByte & 0x01);
+
+ if (IsOddByte && (V2Command == CMD_READ_FLASH_ISP))
+ Read_Memory_Params.ReadMemoryCommand |= READ_WRITE_HIGH_BYTE_MASK;
+ else
+ Read_Memory_Params.ReadMemoryCommand &= ~READ_WRITE_HIGH_BYTE_MASK;
+
+ SPI_SendByte(Read_Memory_Params.ReadMemoryCommand);
+ SPI_SendByte(CurrentAddress >> 8);
+ SPI_SendByte(CurrentAddress & 0xFF);
+ Endpoint_Write_Byte(SPI_ReceiveByte());
+
+ /* Check if the endpoint bank is currently full */
+ if (!(Endpoint_IsReadWriteAllowed()))
+ {
+ Endpoint_ClearIN();
+ Endpoint_WaitUntilReady();
+ }
+
+ if ((IsOddByte && (V2Command == CMD_READ_FLASH_ISP)) || (V2Command == CMD_READ_EEPROM_ISP))
+ CurrentAddress++;
+ }
+
+ Endpoint_Write_Byte(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. */
+static void V2Protocol_Command_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));
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ uint8_t ResponseStatus = STATUS_CMD_OK;
+
+ for (uint8_t SByte = 0; SByte < sizeof(Erase_Chip_Params.EraseCommandBytes); SByte++)
+ SPI_SendByte(Erase_Chip_Params.EraseCommandBytes[SByte]);
+
+ if (!(Erase_Chip_Params.PollMethod))
+ V2Protocol_DelayMS(Erase_Chip_Params.EraseDelayMS);
+ else
+ ResponseStatus = V2Protocol_WaitWhileTargetBusy();
+
+ Endpoint_Write_Byte(CMD_CHIP_ERASE_ISP);
+ Endpoint_Write_Byte(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 V2Command Issued V2 Protocol command byte from the host
+ */
+static void V2Protocol_Command_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));
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ uint8_t ResponseBytes[4];
+
+ for (uint8_t RByte = 0; RByte < sizeof(ResponseBytes); RByte++)
+ ResponseBytes[RByte] = SPI_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_ClearIN();
+}
+
+/** Handler for the CMD_WRITE_FUSE_ISP and CMD_WRITE_LOCK_ISP commands, writing the requested configuration
+ * byte to the device.
+ *
+ * \param V2Command Issued V2 Protocol command byte from the host
+ */
+static void V2Protocol_Command_WriteFuseLock(uint8_t V2Command)
+{
+ struct
+ {
+ uint8_t WriteCommandBytes[4];
+ } Write_FuseLockSig_Params;
+
+ Endpoint_Read_Stream_LE(&Write_FuseLockSig_Params, sizeof(Write_FuseLockSig_Params));
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ for (uint8_t SByte = 0; SByte < sizeof(Write_FuseLockSig_Params.WriteCommandBytes); SByte++)
+ SPI_SendByte(Write_FuseLockSig_Params.WriteCommandBytes[SByte]);
+
+ Endpoint_Write_Byte(V2Command);
+ Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_SPI_MULTI command, writing and reading arbitrary SPI data to and from the attached device. */
+static void V2Protocol_Command_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));
+ Endpoint_Read_Stream_LE(&SPI_Multi_Params.TxData, SPI_Multi_Params.TxBytes);
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ Endpoint_Write_Byte(CMD_SPI_MULTI);
+ Endpoint_Write_Byte(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)
+ SPI_SendByte(SPI_Multi_Params.TxData[CurrTxPos]);
+ else
+ SPI_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_Byte(SPI_TransferByte(SPI_Multi_Params.TxData[CurrTxPos++]));
+ else
+ Endpoint_Write_Byte(SPI_ReceiveByte());
+
+ CurrRxPos++;
+ }
+
+ Endpoint_Write_Byte(STATUS_CMD_OK);
+ Endpoint_ClearIN();
+}
diff --git a/Projects/AVRISP/Lib/V2Protocol.h b/Projects/AVRISP/Lib/V2Protocol.h new file mode 100644 index 000000000..5c8bd7513 --- /dev/null +++ b/Projects/AVRISP/Lib/V2Protocol.h @@ -0,0 +1,84 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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
+ *
+ * Header file for V2Protocol.c.
+ */
+
+#ifndef _V2_PROTOCOL_ +#define _V2_PROTOCOL_ + + /* Includes: */ + #include <LUFA/Drivers/USB/USB.h> + #include <LUFA/Drivers/Peripheral/SPI.h>
+
+ #include "../Descriptors.h" + #include "V2ProtocolConstants.h"
+ #include "V2ProtocolParams.h" + #include "V2ProtocolTarget.h"
+ + /* Macros: */
+ /** Programmer ID string, returned to the host during the CMD_SIGN_ON command processing */ + #define PROGRAMMER_ID "AVRISP_MK2"
+
+ /** 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 V2Protocol_ProcessCommand(void);
+
+ #if defined(INCLUDE_FROM_V2PROTOCOL_C)
+ static void V2Protocol_Command_Unknown(uint8_t V2Command);
+ static void V2Protocol_Command_SignOn(void);
+ static void V2Protocol_Command_GetSetParam(uint8_t V2Command);
+ static void V2Protocol_Command_LoadAddress(void);
+ static void V2Protocol_Command_ResetProtection(void);
+ static void V2Protocol_Command_EnterISPMode(void);
+ static void V2Protocol_Command_LeaveISPMode(void);
+ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command);
+ static void V2Protocol_Command_ReadMemory(uint8_t V2Command);
+ static void V2Protocol_Command_ChipErase(void);
+ static void V2Protocol_Command_ReadFuseLockSigOSCCAL(uint8_t V2Command);
+ static void V2Protocol_Command_WriteFuseLock(uint8_t V2Command);
+ static void V2Protocol_Command_SPIMulti(void);
+ #endif + +#endif + diff --git a/Projects/AVRISP/Lib/V2ProtocolConstants.h b/Projects/AVRISP/Lib/V2ProtocolConstants.h new file mode 100644 index 000000000..dce660a73 --- /dev/null +++ b/Projects/AVRISP/Lib/V2ProtocolConstants.h @@ -0,0 +1,86 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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
+ *
+ * Macros for the V2 Protocol Packet Commands and Responses.
+ */
+
+#ifndef _V2_PROTOCOL_CONSTANTS_
+#define _V2_PROTOCOL_CONSTANTS_
+
+ /* Macros: */
+ #define CMD_SIGN_ON 0x01
+ #define CMD_SET_PARAMETER 0x02
+ #define CMD_GET_PARAMETER 0x03
+ #define CMD_OSCCAL 0x05
+ #define CMD_LOAD_ADDRESS 0x06
+ #define CMD_FIRMWARE_UPGRADE 0x07
+ #define CMD_RESET_PROTECTION 0x0A
+ #define CMD_ENTER_PROGMODE_ISP 0x10
+ #define CMD_LEAVE_PROGMODE_ISP 0x11
+ #define CMD_CHIP_ERASE_ISP 0x12
+ #define CMD_PROGRAM_FLASH_ISP 0x13
+ #define CMD_READ_FLASH_ISP 0x14
+ #define CMD_PROGRAM_EEPROM_ISP 0x15
+ #define CMD_READ_EEPROM_ISP 0x16
+ #define CMD_PROGRAM_FUSE_ISP 0x17
+ #define CMD_READ_FUSE_ISP 0x18
+ #define CMD_PROGRAM_LOCK_ISP 0x19
+ #define CMD_READ_LOCK_ISP 0x1A
+ #define CMD_READ_SIGNATURE_ISP 0x1B
+ #define CMD_READ_OSCCAL_ISP 0x1C
+ #define CMD_SPI_MULTI 0x1D
+
+ #define STATUS_CMD_OK 0x00
+ #define STATUS_CMD_TOUT 0x80
+ #define STATUS_RDY_BSY_TOUT 0x81
+ #define STATUS_SET_PARAM_MISSING 0x82
+ #define STATUS_CMD_FAILED 0xC0
+ #define STATUS_CMD_UNKNOWN 0xC9
+ #define STATUS_ISP_READY 0x00
+ #define STATUS_CONN_FAIL_MOSI 0x01
+ #define STATUS_CONN_FAIL_RST 0x02
+ #define STATUS_CONN_FAIL_SCK 0x04
+ #define STATUS_TGT_NOT_DETECTED 0x10
+ #define STATUS_TGT_REVERSE_INSERTED 0x20
+
+ #define PARAM_BUILD_NUMBER_LOW 0x80
+ #define PARAM_BUILD_NUMBER_HIGH 0x81
+ #define PARAM_HW_VER 0x90
+ #define PARAM_SW_MAJOR 0x91
+ #define PARAM_SW_MINOR 0x92
+ #define PARAM_VTARGET 0x94
+ #define PARAM_SCK_DURATION 0x98
+ #define PARAM_RESET_POLARITY 0x9E
+ #define PARAM_STATUS_TGT_CONN 0xA1
+ #define PARAM_DISCHARGEDELAY 0xA4
+
+#endif
diff --git a/Projects/AVRISP/Lib/V2ProtocolParams.c b/Projects/AVRISP/Lib/V2ProtocolParams.c new file mode 100644 index 000000000..9914c085e --- /dev/null +++ b/Projects/AVRISP/Lib/V2ProtocolParams.c @@ -0,0 +1,166 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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
+ *
+ * V2Protocol parameter handler, to process V2 Protocol device parameters.
+ */
+
+#define INCLUDE_FROM_V2PROTOCOL_PARAMS_C
+#include "V2ProtocolParams.h"
+
+/* Non-Volatile Parameter Values for EEPROM storage */
+uint8_t EEMEM EEPROM_Rest_Polarity = 0x00;
+
+/* Volatile Parameter Values for RAM storage */
+static ParameterItem_t ParameterTable[] =
+ {
+ { .ParamID = PARAM_BUILD_NUMBER_LOW,
+ .ParamValue = (LUFA_VERSION_INTEGER >> 8),
+ .ParamPrivellages = PARAM_PRIV_READ },
+
+ { .ParamID = PARAM_BUILD_NUMBER_HIGH,
+ .ParamValue = (LUFA_VERSION_INTEGER & 0xFF),
+ .ParamPrivellages = PARAM_PRIV_READ },
+
+ { .ParamID = PARAM_HW_VER,
+ .ParamValue = 0x00,
+ .ParamPrivellages = PARAM_PRIV_READ },
+
+ { .ParamID = PARAM_SW_MAJOR,
+ .ParamValue = 0x01,
+ .ParamPrivellages = PARAM_PRIV_READ },
+
+ { .ParamID = PARAM_SW_MINOR,
+ .ParamValue = 0x0C,
+ .ParamPrivellages = PARAM_PRIV_READ },
+
+ { .ParamID = PARAM_VTARGET,
+ .ParamValue = 0x32,
+ .ParamPrivellages = PARAM_PRIV_READ },
+
+ { .ParamID = PARAM_SCK_DURATION,
+ .ParamValue = (TOTAL_PROGRAMMING_SPEEDS - 1),
+ .ParamPrivellages = PARAM_PRIV_READ | PARAM_PRIV_WRITE },
+
+ { .ParamID = PARAM_RESET_POLARITY,
+ .ParamValue = 0x00,
+ .ParamPrivellages = PARAM_PRIV_WRITE },
+
+ { .ParamID = PARAM_STATUS_TGT_CONN,
+ .ParamValue = 0x00,
+ .ParamPrivellages = PARAM_PRIV_READ },
+
+ { .ParamID = PARAM_DISCHARGEDELAY,
+ .ParamValue = 0x00,
+ .ParamPrivellages = PARAM_PRIV_WRITE },
+ };
+
+
+/** Loads saved non-volatile parameter values from the EEPROM into the parameter table, as needed. */
+void V2Params_LoadEEPROMParamValues(void)
+{
+ /* Target RESET line polarity is a non-volatile value, retrieve current parameter value from EEPROM */
+ V2Params_GetParamFromTable(PARAM_RESET_POLARITY)->ParamValue = eeprom_read_byte(&EEPROM_Rest_Polarity);
+}
+
+/** Retrieves the host PC read/write privellages for a given parameter in the parameter table. This should
+ * be called before calls to \ref V2Params_GetParameterValue() or \ref V2Params_SetParameterValue() when
+ * getting or setting parameter values in response to requests from the host.
+ *
+ * \param ParamID Parameter ID whose privellages are to be retrieved from the table
+ *
+ * \return Privellages for the requested parameter, as a mask of PARAM_PRIV_* masks
+ */
+uint8_t V2Params_GetParameterPrivellages(uint8_t ParamID)
+{
+ ParameterItem_t* ParamInfo = V2Params_GetParamFromTable(ParamID);
+
+ if (ParamInfo == NULL)
+ return 0;
+
+ return ParamInfo->ParamPrivellages;
+}
+
+/** Retrieves the current value for a given parameter in the parameter table.
+ *
+ * \param ParamID Parameter ID whose value is to be retrieved from the table
+ *
+ * \return Current value of the parameter in the table, or 0 if not found
+ */
+uint8_t V2Params_GetParameterValue(uint8_t ParamID)
+{
+ ParameterItem_t* ParamInfo = V2Params_GetParamFromTable(ParamID);
+
+ if (ParamInfo == NULL)
+ return 0;
+
+ return ParamInfo->ParamValue;
+}
+
+/** Sets the value for a given parameter in the parameter table.
+ *
+ * \param ParamID Parameter ID whose value is to be set in the table
+ * \param Value New value to set the parameter to
+ *
+ * \return Pointer to the associated parameter information from the parameter table if found, NULL otherwise
+ */
+void V2Params_SetParameterValue(uint8_t ParamID, uint8_t Value)
+{
+ ParameterItem_t* ParamInfo = V2Params_GetParamFromTable(ParamID);
+
+ if (ParamInfo == NULL)
+ return;
+
+ ParamInfo->ParamValue = Value;
+
+ /* The target RESET line polarity is a non-volatile parameter, save to EEPROM when changed */
+ if (ParamID == PARAM_RESET_POLARITY)
+ eeprom_write_byte(&EEPROM_Rest_Polarity, Value);
+}
+
+/** Retrieves a parameter entry (including ID, value and privellages) from the parameter table that matches the given
+ * parameter ID.
+ *
+ * \param ParamID Parameter ID to find in the table
+ *
+ * \return Pointer to the associated parameter information from the parameter table if found, NULL otherwise
+ */
+static ParameterItem_t* V2Params_GetParamFromTable(uint8_t ParamID)
+{
+ /* Find the parameter in the parameter table if present */
+ for (uint8_t TableIndex = 0; TableIndex < (sizeof(ParameterTable) / sizeof(ParameterTable[0])); TableIndex++)
+ {
+ if (ParamID == ParameterTable[TableIndex].ParamID)
+ return &ParameterTable[TableIndex];
+ }
+
+ return NULL;
+}
diff --git a/Projects/AVRISP/Lib/V2ProtocolParams.h b/Projects/AVRISP/Lib/V2ProtocolParams.h new file mode 100644 index 000000000..9c0f044c2 --- /dev/null +++ b/Projects/AVRISP/Lib/V2ProtocolParams.h @@ -0,0 +1,76 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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
+ *
+ * Header file for V2ProtocolParams.c.
+ */
+
+#ifndef _V2_PROTOCOL_PARAMS_ +#define _V2_PROTOCOL_PARAMS_ + + /* Includes: */ + #include <avr/io.h>
+ #include <avr/eeprom.h> +
+ #include <LUFA/Version.h> +
+ #include "V2Protocol.h"
+ #include "V2ProtocolConstants.h"
+
+ /* Macros: */
+ /** Parameter privellage mask to allow the host PC to read the parameter's value */
+ #define PARAM_PRIV_READ (1 << 0)
+
+ /** Parameter privellage mask to allow the host PC to change the parameter's value */
+ #define PARAM_PRIV_WRITE (1 << 1)
+ + /* Type Defines: */
+ /** Type define for a parameter table entry indicating a PC readable or writable device parameter. */
+ typedef struct
+ {
+ const uint8_t ParamID; /**< Parameter ID number to uniquely identify the parameter within the device */
+ uint8_t ParamValue; /**< Current parameter's value within the device */
+ uint8_t ParamPrivellages; /**< Parameter privellages to allow the host to read or write the parameter's value */
+ } ParameterItem_t; + + /* Function Prototypes: */
+ void V2Params_LoadEEPROMParamValues(void);
+
+ uint8_t V2Params_GetParameterPrivellages(uint8_t ParamID);
+ uint8_t V2Params_GetParameterValue(uint8_t ParamID);
+ void V2Params_SetParameterValue(uint8_t ParamID, uint8_t Value);
+
+ #if defined(INCLUDE_FROM_V2PROTOCOL_PARAMS_C)
+ static ParameterItem_t* V2Params_GetParamFromTable(uint8_t ParamID);
+ #endif
+ +#endif + diff --git a/Projects/AVRISP/Lib/V2ProtocolTarget.c b/Projects/AVRISP/Lib/V2ProtocolTarget.c new file mode 100644 index 000000000..a39c5e96d --- /dev/null +++ b/Projects/AVRISP/Lib/V2ProtocolTarget.c @@ -0,0 +1,183 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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
+ *
+ * Target-related functions for the V2 Protocol decoder.
+ */
+
+#include "V2ProtocolTarget.h"
+
+/** Current memory address for FLASH/EEPROM memory read/write commands */
+uint32_t CurrentAddress;
+
+/** Converts the given AVR Studio SCK duration parameter (set by a SET PARAM command from the host) to the nearest
+ * possible SPI clock prescaler mask for passing to the SPI_Init() routine.
+ *
+ * \return Nearest SPI prescaler mask for the given SCK frequency
+ */
+uint8_t V2Protocol_GetSPIPrescalerMask(void)
+{
+ static const uint8_t SPIMaskFromSCKDuration[TOTAL_PROGRAMMING_SPEEDS] =
+ {
+ #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
+ #if (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
+ };
+
+ uint8_t SCKDuration = V2Params_GetParameterValue(PARAM_SCK_DURATION);
+
+ if (SCKDuration >= sizeof(SPIMaskFromSCKDuration))
+ SCKDuration = (sizeof(SPIMaskFromSCKDuration) - 1);
+
+ return SPIMaskFromSCKDuration[SCKDuration];
+}
+
+/** 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 intefere with normal device operation.
+ *
+ * \param ResetTarget Boolean true when the target should be held in reset, false otherwise
+ */
+void V2Protocol_ChangeTargetResetLine(bool ResetTarget)
+{
+ if (ResetTarget)
+ {
+ RESET_LINE_DDR |= RESET_LINE_MASK;
+
+ if (!(V2Params_GetParameterValue(PARAM_RESET_POLARITY)))
+ RESET_LINE_PORT |= RESET_LINE_MASK;
+ }
+ else
+ {
+ RESET_LINE_PORT &= ~RESET_LINE_MASK;
+ RESET_LINE_DDR &= ~RESET_LINE_MASK;
+ }
+}
+
+/** Waits until the last issued target memory programming command has completed, via the check mode given and using
+ * the given parameters.
+ *
+ * \param ProgrammingMode Programming mode used and completion check to use, a mask of PROG_MODE_* constants
+ * \param PollAddress Memory address to poll for completion if polling check mode used
+ * \param PollValue Poll value to check against if polling check mode used
+ * \param DelayMS Milliseconds to delay before returning if delay check mode used
+ * \param 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 V2Protocol_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAddress, uint8_t PollValue,
+ uint8_t DelayMS, 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:
+ V2Protocol_DelayMS(DelayMS);
+ break;
+ case PROG_MODE_WORD_VALUE_MASK:
+ case PROG_MODE_PAGED_VALUE_MASK:
+ TCNT0 = 0;
+
+ do
+ {
+ SPI_SendByte(ReadMemCommand);
+ SPI_SendByte(PollAddress >> 8);
+ SPI_SendByte(PollAddress & 0xFF);
+ }
+ while ((SPI_TransferByte(0x00) != PollValue) && (TCNT0 < TARGET_BUSY_TIMEOUT_MS));
+
+ if (TCNT0 >= TARGET_BUSY_TIMEOUT_MS)
+ ProgrammingStatus = STATUS_CMD_TOUT;
+
+ break;
+ case PROG_MODE_WORD_READYBUSY_MASK:
+ case PROG_MODE_PAGED_READYBUSY_MASK:
+ ProgrammingStatus = V2Protocol_WaitWhileTargetBusy();
+ break;
+ }
+
+ return ProgrammingStatus;
+}
+
+/** Waits until the target has completed the last operation, by continuously polling the device's
+ * BUSY flag until it is cleared, or until the \ref TARGET_BUSY_TIMEOUT_MS 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 V2Protocol_WaitWhileTargetBusy(void)
+{
+ TCNT0 = 0;
+
+ do
+ {
+ SPI_SendByte(0xF0);
+ SPI_SendByte(0x00);
+
+ SPI_SendByte(0x00);
+ }
+ while ((SPI_ReceiveByte() & 0x01) && (TCNT0 < TARGET_BUSY_TIMEOUT_MS));
+
+ if (TCNT0 >= TARGET_BUSY_TIMEOUT_MS)
+ return STATUS_RDY_BSY_TOUT;
+ else
+ return STATUS_CMD_OK;
+}
+
+/** 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 V2Protocol_LoadExtendedAddress(void)
+{
+ SPI_SendByte(0x4D);
+ SPI_SendByte(0x00);
+ SPI_SendByte((CurrentAddress & 0x00FF0000) >> 16);
+ SPI_SendByte(0x00);
+}
diff --git a/Projects/AVRISP/Lib/V2ProtocolTarget.h b/Projects/AVRISP/Lib/V2ProtocolTarget.h new file mode 100644 index 000000000..1e0364d9c --- /dev/null +++ b/Projects/AVRISP/Lib/V2ProtocolTarget.h @@ -0,0 +1,80 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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
+ *
+ * Header file for V2ProtocolTarget.c.
+ */
+
+#ifndef _V2_PROTOCOL_TARGET_
+#define _V2_PROTOCOL_TARGET_
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <util/delay.h>
+
+ #include <LUFA/Drivers/USB/USB.h>
+ #include <LUFA/Drivers/Peripheral/SPI.h>
+
+ #include "../Descriptors.h"
+ #include "V2ProtocolConstants.h"
+ #include "V2ProtocolParams.h"
+
+ /* Macros: */
+ /** Total number of allowable ISP programming speeds supported by the device */
+ #define TOTAL_PROGRAMMING_SPEEDS 7
+
+ /** Timeout in milliseconds of target busy-wait loops waiting for a command to complete */
+ #define TARGET_BUSY_TIMEOUT_MS 150
+
+ /* External Variables: */
+ extern uint32_t CurrentAddress;
+
+ /* Inline Functions: */
+ /** Blocking delay for a given number of milliseconds, via a hardware timer.
+ *
+ * \param DelayMS Number of milliseconds to delay for
+ */
+ static inline void V2Protocol_DelayMS(uint8_t DelayMS)
+ {
+ TCNT0 = 0;
+ while (TCNT0 < DelayMS);
+ }
+
+ /* Function Prototypes: */
+ uint8_t V2Protocol_GetSPIPrescalerMask(void);
+ void V2Protocol_ChangeTargetResetLine(bool ResetTarget);
+ void V2Protocol_DelayMS(uint8_t MS);
+ uint8_t V2Protocol_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAddress, uint8_t PollValue,
+ uint8_t DelayMS, uint8_t ReadMemCommand);
+ uint8_t V2Protocol_WaitWhileTargetBusy(void);
+ void V2Protocol_LoadExtendedAddress(void);
+
+#endif
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