diff options
| author | Dean Camera <dean@fourwalledcubicle.com> | 2009-12-02 12:02:01 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-12-02 12:02:01 +0000 |
| commit | 1ed6925b5bf417848b83887b32e3ede05a1c691b (patch) | |
| tree | e99aac1a5cbf4e1be0006e6f5fa8939afa1f00e4 /Projects | |
| parent | 1645c3d243e57134228d36c23687c2ab664c3f9c (diff) | |
| download | lufa-1ed6925b5bf417848b83887b32e3ede05a1c691b.tar.gz lufa-1ed6925b5bf417848b83887b32e3ede05a1c691b.tar.bz2 lufa-1ed6925b5bf417848b83887b32e3ede05a1c691b.zip | |
Factor out all the ISP related code into a seperate ISPProtocol set of files in the AVRISP Clone programmer project, to clearly seperate out the programming protocols when PDI programming is implemented.
Diffstat (limited to 'Projects')
| -rw-r--r-- | Projects/AVRISP/Lib/ISPProtocol.c | 467 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/ISPProtocol.h | 67 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2Protocol.c | 445 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2Protocol.h | 40 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2ProtocolConstants.h | 43 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2ProtocolParams.c | 2 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2ProtocolParams.h | 1 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2ProtocolTarget.c | 19 | ||||
| -rw-r--r-- | Projects/AVRISP/Lib/V2ProtocolTarget.h | 36 | ||||
| -rw-r--r-- | Projects/AVRISP/makefile | 1 |
10 files changed, 636 insertions, 485 deletions
diff --git a/Projects/AVRISP/Lib/ISPProtocol.c b/Projects/AVRISP/Lib/ISPProtocol.c new file mode 100644 index 000000000..bfd917a09 --- /dev/null +++ b/Projects/AVRISP/Lib/ISPProtocol.c @@ -0,0 +1,467 @@ +/*
+ 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
+ *
+ * ISP Protocol handler, to process V2 Protocol wrapped ISP commands used in Atmel programmer devices.
+ */
+
+#include "ISPProtocol.h"
+
+/** 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.
+ */
+void ISPProtocol_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(ISPTarget_GetSPIPrescalerMask() | SPI_SCK_LEAD_RISING | SPI_SAMPLE_LEADING | SPI_MODE_MASTER);
+
+ while (Enter_ISP_Params.SynchLoops-- && (ResponseStatus == STATUS_CMD_FAILED))
+ {
+ uint8_t ResponseBytes[4];
+
+ ISPTarget_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
+ {
+ ISPTarget_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. */
+void ISPProtocol_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);
+ ISPTarget_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[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) - sizeof(Write_Memory_Params.ProgData));
+ Write_Memory_Params.BytesToWrite = SwapEndian_16(Write_Memory_Params.BytesToWrite);
+
+ if (Write_Memory_Params.BytesToWrite > sizeof(Write_Memory_Params.ProgData))
+ {
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ Endpoint_Write_Byte(V2Command);
+ Endpoint_Write_Byte(STATUS_CMD_FAILED);
+ Endpoint_ClearIN();
+ return;
+ }
+
+ 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;
+ uint8_t* NextWriteByte = Write_Memory_Params.ProgData;
+
+ if (MustSetAddress)
+ {
+ if (CurrentAddress & (1UL << 31))
+ ISPTarget_LoadExtendedAddress();
+
+ MustSetAddress = false;
+ }
+
+ 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 = ISPTarget_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 = ISPTarget_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[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));
+ 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);
+
+ if (MustSetAddress)
+ {
+ if (CurrentAddress & (1UL << 31))
+ ISPTarget_LoadExtendedAddress();
+
+ MustSetAddress = false;
+ }
+
+ 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. */
+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));
+
+ 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 = ISPTarget_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[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));
+
+ 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[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));
+
+ 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. */
+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));
+ 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/ISPProtocol.h b/Projects/AVRISP/Lib/ISPProtocol.h new file mode 100644 index 000000000..5a91f59e3 --- /dev/null +++ b/Projects/AVRISP/Lib/ISPProtocol.h @@ -0,0 +1,67 @@ +/*
+ 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 ISPProtocol.c.
+ */
+
+#ifndef _ISP_PROTOCOL_
+#define _ISP_PROTOCOL_
+
+ /* Includes: */
+ #include <avr/io.h>
+
+ #include "V2Protocol.h"
+
+ /* 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(uint8_t V2Command);
+ void ISPProtocol_ReadMemory(uint8_t V2Command);
+ void ISPProtocol_ChipErase(void);
+ void ISPProtocol_ReadFuseLockSigOSCCAL(uint8_t V2Command);
+ void ISPProtocol_WriteFuseLock(uint8_t V2Command);
+ void ISPProtocol_SPIMulti(void);
+
+#endif
diff --git a/Projects/AVRISP/Lib/V2Protocol.c b/Projects/AVRISP/Lib/V2Protocol.c index e45be5401..c0028f72a 100644 --- a/Projects/AVRISP/Lib/V2Protocol.c +++ b/Projects/AVRISP/Lib/V2Protocol.c @@ -36,6 +36,13 @@ #define INCLUDE_FROM_V2PROTOCOL_C
#include "V2Protocol.h"
+/** Current memory address for FLASH/EEPROM memory read/write commands */
+uint32_t CurrentAddress;
+
+/** Flag to indicate that the next read/write operation must update the device's current address */
+bool MustSetAddress;
+
+
/** Master V2 Protocol packet handler, for received 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.
@@ -60,34 +67,38 @@ void V2Protocol_ProcessCommand(void) V2Protocol_ResetProtection();
break;
case CMD_ENTER_PROGMODE_ISP:
- V2Protocol_ISP_EnterISPMode();
+ ISPProtocol_EnterISPMode();
break;
case CMD_LEAVE_PROGMODE_ISP:
- V2Protocol_ISP_LeaveISPMode();
+ ISPProtocol_LeaveISPMode();
break;
case CMD_PROGRAM_FLASH_ISP:
case CMD_PROGRAM_EEPROM_ISP:
- V2Protocol_ISP_ProgramMemory(V2Command);
+ ISPProtocol_ProgramMemory(V2Command);
break;
case CMD_READ_FLASH_ISP:
case CMD_READ_EEPROM_ISP:
- V2Protocol_ISP_ReadMemory(V2Command);
+ ISPProtocol_ReadMemory(V2Command);
break;
case CMD_CHIP_ERASE_ISP:
- V2Protocol_ISP_ChipErase();
+ ISPProtocol_ChipErase();
break;
+#if defined(ENABLE_XPROG_PROTOCOL)
+ case CMD_XPROG_SETMODE:
+ V2Protocol_XPROG_SetMode();
+#endif
case CMD_READ_FUSE_ISP:
case CMD_READ_LOCK_ISP:
case CMD_READ_SIGNATURE_ISP:
case CMD_READ_OSCCAL_ISP:
- V2Protocol_ISP_ReadFuseLockSigOSCCAL(V2Command);
+ ISPProtocol_ReadFuseLockSigOSCCAL(V2Command);
break;
case CMD_PROGRAM_FUSE_ISP:
case CMD_PROGRAM_LOCK_ISP:
- V2Protocol_ISP_WriteFuseLock(V2Command);
+ ISPProtocol_WriteFuseLock(V2Command);
break;
case CMD_SPI_MULTI:
- V2Protocol_ISP_SPIMulti();
+ ISPProtocol_SPIMulti();
break;
default:
V2Protocol_UnknownCommand(V2Command);
@@ -196,425 +207,9 @@ static void V2Protocol_LoadAddress(void) Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
- if (CurrentAddress & (1UL << 31))
- V2Protocol_LoadExtendedAddress();
+ MustSetAddress = true;
Endpoint_Write_Byte(CMD_LOAD_ADDRESS);
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_ISP_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_ISP_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[in] V2Command Issued V2 Protocol command byte from the host
- */
-static void V2Protocol_ISP_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) - sizeof(Write_Memory_Params.ProgData));
- Write_Memory_Params.BytesToWrite = SwapEndian_16(Write_Memory_Params.BytesToWrite);
-
- if (Write_Memory_Params.BytesToWrite > sizeof(Write_Memory_Params.ProgData))
- {
- Endpoint_ClearOUT();
- Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-
- Endpoint_Write_Byte(V2Command);
- Endpoint_Write_Byte(STATUS_CMD_FAILED);
- Endpoint_ClearIN();
- return;
- }
-
- 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;
- uint8_t* NextWriteByte = Write_Memory_Params.ProgData;
-
- 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[in] V2Command Issued V2 Protocol command byte from the host
- */
-static void V2Protocol_ISP_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_ISP_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[in] V2Command Issued V2 Protocol command byte from the host
- */
-static void V2Protocol_ISP_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[in] V2Command Issued V2 Protocol command byte from the host
- */
-static void V2Protocol_ISP_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_ISP_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 index 63a2347a8..b31147846 100644 --- a/Projects/AVRISP/Lib/V2Protocol.h +++ b/Projects/AVRISP/Lib/V2Protocol.h @@ -43,24 +43,30 @@ #include "../Descriptors.h" #include "V2ProtocolConstants.h"
#include "V2ProtocolParams.h" - #include "V2ProtocolTarget.h"
+ #include "ISPProtocol.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)
- + /** Timeout in milliseconds of target busy-wait loops waiting for a command to complete */
+ #define TARGET_BUSY_TIMEOUT_MS 240
+
+ /* Inline Functions: */
+ /** Blocking delay for a given number of milliseconds, via a hardware timer.
+ *
+ * \param[in] DelayMS Number of milliseconds to delay for
+ */
+ static inline void V2Protocol_DelayMS(uint8_t DelayMS)
+ {
+ TCNT0 = 0;
+ while (TCNT0 < DelayMS);
+ } +
+ /* External Variables: */
+ extern uint32_t CurrentAddress;
+ extern bool MustSetAddress;
+
/* Function Prototypes: */
void V2Protocol_ProcessCommand(void);
@@ -70,14 +76,6 @@ static void V2Protocol_GetSetParam(uint8_t V2Command);
static void V2Protocol_ResetProtection(void);
static void V2Protocol_LoadAddress(void);
- static void V2Protocol_ISP_EnterISPMode(void);
- static void V2Protocol_ISP_LeaveISPMode(void);
- static void V2Protocol_ISP_ProgramMemory(uint8_t V2Command);
- static void V2Protocol_ISP_ReadMemory(uint8_t V2Command);
- static void V2Protocol_ISP_ChipErase(void);
- static void V2Protocol_ISP_ReadFuseLockSigOSCCAL(uint8_t V2Command);
- static void V2Protocol_ISP_WriteFuseLock(uint8_t V2Command);
- static void V2Protocol_ISP_SPIMulti(void);
#endif #endif diff --git a/Projects/AVRISP/Lib/V2ProtocolConstants.h b/Projects/AVRISP/Lib/V2ProtocolConstants.h index dce660a73..5e6bd3638 100644 --- a/Projects/AVRISP/Lib/V2ProtocolConstants.h +++ b/Projects/AVRISP/Lib/V2ProtocolConstants.h @@ -59,6 +59,49 @@ #define CMD_READ_OSCCAL_ISP 0x1C
#define CMD_SPI_MULTI 0x1D
+ #define CMD_XPROG 0x50
+ #define CMD_XPROG_SETMODE 0x51
+
+ #define XPRG_CMD_ENTER_PROGMODE 0x01
+ #define XPRG_CMD_LEAVE_PROGMODE 0x02
+ #define XPRG_CMD_ERASE 0x03
+ #define XPRG_CMD_WRITE_MEM 0x04
+ #define XPRG_CMD_READ_MEM 0x05
+ #define XPRG_CMD_CRC 0x06
+ #define XPRG_CMD_SET_PARAM 0x07
+
+ #define XPRG_MEM_TYPE_APPL 1
+ #define XPRG_MEM_TYPE_BOOT 2
+ #define XPRG_MEM_TYPE_EEPROM 3
+ #define XPRG_MEM_TYPE_FUSE 4
+ #define XPRG_MEM_TYPE_LOCKBITS 5
+ #define XPRG_MEM_TYPE_USERSIG 6
+ #define XPRG_MEM_TYPE_FACTORY_CALIBRATION 7
+
+ #define XPRG_ERASE_CHIP 1
+ #define XPRG_ERASE_APP 2
+ #define XPRG_ERASE_BOOT 3
+ #define XPRG_ERASE_EEPROM 4
+ #define XPRG_ERASE_APP_PAGE 5
+ #define XPRG_ERASE_BOOT_PAGE 6
+ #define XPRG_ERASE_EEPROM_PAGE 7
+ #define XPRG_ERASE_USERSIG 8
+
+ #define XPRG_MEM_WRITE_ERASE 0
+ #define XPRG_MEM_WRITE_WRITE 1
+
+ #define XPRG_CRC_APP 1
+ #define XPRG_CRC_BOOT 2
+ #define XPRG_CRC_FLASH 3
+
+ #define XPRG_ERR_OK 0
+ #define XPRG_ERR_FAILED 1
+ #define XPRG_ERR_COLLISION 2
+ #define XPRG_ERR_TIMEOUT 3
+
+ #define XPRG_PARAM_NVMBASE 0x01
+ #define XPRG_PARAM_EEPPAGESIZE 0x02
+
#define STATUS_CMD_OK 0x00
#define STATUS_CMD_TOUT 0x80
#define STATUS_RDY_BSY_TOUT 0x81
diff --git a/Projects/AVRISP/Lib/V2ProtocolParams.c b/Projects/AVRISP/Lib/V2ProtocolParams.c index 62149b4c3..f6b057fc9 100644 --- a/Projects/AVRISP/Lib/V2ProtocolParams.c +++ b/Projects/AVRISP/Lib/V2ProtocolParams.c @@ -67,7 +67,7 @@ static ParameterItem_t ParameterTable[] = .ParamPrivileges = PARAM_PRIV_READ },
{ .ParamID = PARAM_SCK_DURATION,
- .ParamValue = (TOTAL_PROGRAMMING_SPEEDS - 1),
+ .ParamValue = (TOTAL_ISP_PROGRAMMING_SPEEDS - 1),
.ParamPrivileges = PARAM_PRIV_READ | PARAM_PRIV_WRITE },
{ .ParamID = PARAM_RESET_POLARITY,
diff --git a/Projects/AVRISP/Lib/V2ProtocolParams.h b/Projects/AVRISP/Lib/V2ProtocolParams.h index b27a4ea94..6a5c25f1f 100644 --- a/Projects/AVRISP/Lib/V2ProtocolParams.h +++ b/Projects/AVRISP/Lib/V2ProtocolParams.h @@ -48,6 +48,7 @@ #include "V2Protocol.h"
#include "V2ProtocolConstants.h"
+ #include "V2ProtocolTarget.h"
/* Macros: */
/** Parameter privilege mask to allow the host PC to read the parameter's value */
diff --git a/Projects/AVRISP/Lib/V2ProtocolTarget.c b/Projects/AVRISP/Lib/V2ProtocolTarget.c index 80e8be1e8..b5de9ba4f 100644 --- a/Projects/AVRISP/Lib/V2ProtocolTarget.c +++ b/Projects/AVRISP/Lib/V2ProtocolTarget.c @@ -30,20 +30,17 @@ /** \file
*
- * Target-related functions for the V2 Protocol decoder.
+ * Target-related functions for the ISP 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)
+uint8_t ISPTarget_GetSPIPrescalerMask(void)
{
static const uint8_t SPIMaskFromSCKDuration[] =
{
@@ -81,7 +78,7 @@ uint8_t V2Protocol_GetSPIPrescalerMask(void) *
* \param[in] ResetTarget Boolean true when the target should be held in reset, false otherwise
*/
-void V2Protocol_ChangeTargetResetLine(bool ResetTarget)
+void ISPTarget_ChangeTargetResetLine(bool ResetTarget)
{
if (ResetTarget)
{
@@ -109,8 +106,8 @@ void V2Protocol_ChangeTargetResetLine(bool ResetTarget) * \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 ISPTarget_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAddress, uint8_t PollValue,
+ uint8_t DelayMS, uint8_t ReadMemCommand)
{
uint8_t ProgrammingStatus = STATUS_CMD_OK;
@@ -139,7 +136,7 @@ uint8_t V2Protocol_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAdd break;
case PROG_MODE_WORD_READYBUSY_MASK:
case PROG_MODE_PAGED_READYBUSY_MASK:
- ProgrammingStatus = V2Protocol_WaitWhileTargetBusy();
+ ProgrammingStatus = ISPTarget_WaitWhileTargetBusy();
break;
}
@@ -151,7 +148,7 @@ uint8_t V2Protocol_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAdd *
* \return V2 Protocol status \ref STATUS_CMD_OK if the no timeout occurred, \ref STATUS_RDY_BSY_TOUT otherwise
*/
-uint8_t V2Protocol_WaitWhileTargetBusy(void)
+uint8_t ISPTarget_WaitWhileTargetBusy(void)
{
TCNT0 = 0;
@@ -174,7 +171,7 @@ uint8_t V2Protocol_WaitWhileTargetBusy(void) * 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)
+void ISPTarget_LoadExtendedAddress(void)
{
SPI_SendByte(0x4D);
SPI_SendByte(0x00);
diff --git a/Projects/AVRISP/Lib/V2ProtocolTarget.h b/Projects/AVRISP/Lib/V2ProtocolTarget.h index 0de7b39cc..121d7893f 100644 --- a/Projects/AVRISP/Lib/V2ProtocolTarget.h +++ b/Projects/AVRISP/Lib/V2ProtocolTarget.h @@ -30,11 +30,11 @@ /** \file
*
- * Header file for V2ProtocolTarget.c.
+ * Header file for ISPTarget.c.
*/
-#ifndef _V2_PROTOCOL_TARGET_
-#define _V2_PROTOCOL_TARGET_
+#ifndef _ISP_TARGET_
+#define _ISP_TARGET_
/* Includes: */
#include <avr/io.h>
@@ -49,32 +49,14 @@ /* 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 240
-
- /* External Variables: */
- extern uint32_t CurrentAddress;
-
- /* Inline Functions: */
- /** Blocking delay for a given number of milliseconds, via a hardware timer.
- *
- * \param[in] DelayMS Number of milliseconds to delay for
- */
- static inline void V2Protocol_DelayMS(uint8_t DelayMS)
- {
- TCNT0 = 0;
- while (TCNT0 < DelayMS);
- }
+ #define TOTAL_ISP_PROGRAMMING_SPEEDS 7
/* 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 ISPTarget_GetSPIPrescalerMask(void);
+ void ISPTarget_ChangeTargetResetLine(bool ResetTarget);
+ uint8_t ISPTarget_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);
+ uint8_t ISPTarget_WaitWhileTargetBusy(void);
+ void ISPTarget_LoadExtendedAddress(void);
#endif
diff --git a/Projects/AVRISP/makefile b/Projects/AVRISP/makefile index e89c5e86b..bc63e951f 100644 --- a/Projects/AVRISP/makefile +++ b/Projects/AVRISP/makefile @@ -130,6 +130,7 @@ SRC = $(TARGET).c \ Lib/V2Protocol.c \
Lib/V2ProtocolParams.c \
Lib/V2ProtocolTarget.c \
+ Lib/ISPProtocol.c \
$(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c \
$(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c \
$(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c \
|