mirror of
https://github.com/fhgwright/SCSI2SD.git
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c693c7fac1
- A USB Bootloader is now used. Use either the bootloader host supplied with PSoC Creator 3.0, or else the standalone app included with Cypress AN73503. You have 2 seconds between connecting the USB cable and hitting the "program" button. - The bootloaderhost program included in this repository doesn't quite work yet. When functional it should simplify firmware updates on Linux and Mac OSX - Fixed an error in the parts spreadsheet which had a 22k resistor for USB termination instead of a 22 Ohm resistor. - Updated parts spreadsheet with part number of PSoC actually used (CY8C5267AXI-LP051).
304 lines
10 KiB
C
304 lines
10 KiB
C
/*******************************************************************************
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* Copyright 2011-2012, Cypress Semiconductor Corporation. All rights reserved.
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* You may use this file only in accordance with the license, terms, conditions,
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* disclaimers, and limitations in the end user license agreement accompanying
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* the software package with which this file was provided.
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********************************************************************************/
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#include "cybtldr_command.h"
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#include "cybtldr_api.h"
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/* The highest number of flash array for any device */
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#define MAX_FLASH_ARRAYS 4
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/* The default value if a flash array has not yet received data */
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#define NO_FLASH_ARRAY_DATA 0
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unsigned long g_validRows[MAX_FLASH_ARRAYS];
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static CyBtldr_CommunicationsData* g_comm;
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int CyBtldr_TransferData(unsigned char* inBuf, int inSize, unsigned char* outBuf, int outSize)
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{
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int err = g_comm->WriteData(inBuf, inSize);
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if (CYRET_SUCCESS == err)
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err = g_comm->ReadData(outBuf, outSize);
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if (CYRET_SUCCESS != err)
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err |= CYRET_ERR_COMM_MASK;
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return err;
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}
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int CyBtldr_ValidateRow(unsigned char arrayId, unsigned short rowNum)
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{
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unsigned long inSize;
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unsigned long outSize;
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unsigned short minRow = 0;
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unsigned short maxRow = 0;
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unsigned char inBuf[MAX_COMMAND_SIZE];
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unsigned char outBuf[MAX_COMMAND_SIZE];
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unsigned char status = CYRET_SUCCESS;
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int err = CYRET_SUCCESS;
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if (arrayId < MAX_FLASH_ARRAYS)
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{
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if (NO_FLASH_ARRAY_DATA == g_validRows[arrayId])
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{
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err = CyBtldr_CreateGetFlashSizeCmd(arrayId, inBuf, &inSize, &outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_TransferData(inBuf, inSize, outBuf, outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_ParseGetFlashSizeCmdResult(outBuf, outSize, &minRow, &maxRow, &status);
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if (CYRET_SUCCESS != status)
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err = status | CYRET_ERR_BTLDR_MASK;
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if (CYRET_SUCCESS == err)
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{
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if (CYRET_SUCCESS == status)
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g_validRows[arrayId] = (minRow << 16) + maxRow;
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else
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err = status | CYRET_ERR_BTLDR_MASK;
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}
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}
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if (CYRET_SUCCESS == err)
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{
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minRow = (unsigned short)(g_validRows[arrayId] >> 16);
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maxRow = (unsigned short)g_validRows[arrayId];
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if (rowNum < minRow || rowNum > maxRow)
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err = CYRET_ERR_ROW;
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}
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}
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else
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err = CYRET_ERR_ARRAY;
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return err;
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}
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int CyBtldr_StartBootloadOperation(CyBtldr_CommunicationsData* comm, unsigned long expSiId, unsigned char expSiRev, unsigned long* blVer)
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{
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const unsigned long SUPPORTED_BOOTLOADER = 0x010000;
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const unsigned long BOOTLOADER_VERSION_MASK = 0xFF0000;
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unsigned long i;
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unsigned long inSize = 0;
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unsigned long outSize = 0;
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unsigned long siliconId = 0;
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unsigned char inBuf[MAX_COMMAND_SIZE];
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unsigned char outBuf[MAX_COMMAND_SIZE];
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unsigned char siliconRev = 0;
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unsigned char status = CYRET_SUCCESS;
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int err;
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g_comm = comm;
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for (i = 0; i < MAX_FLASH_ARRAYS; i++)
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g_validRows[i] = NO_FLASH_ARRAY_DATA;
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err = g_comm->OpenConnection();
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if (CYRET_SUCCESS != err)
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err |= CYRET_ERR_COMM_MASK;
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if (CYRET_SUCCESS == err)
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err = CyBtldr_CreateEnterBootLoaderCmd(inBuf, &inSize, &outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_TransferData(inBuf, inSize, outBuf, outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_ParseEnterBootLoaderCmdResult(outBuf, outSize, &siliconId, &siliconRev, blVer, &status);
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if (CYRET_SUCCESS == err)
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{
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if (CYRET_SUCCESS != status)
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err = status | CYRET_ERR_BTLDR_MASK;
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if (expSiId != siliconId || expSiRev != siliconRev)
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err = CYRET_ERR_DEVICE;
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else if ((*blVer & BOOTLOADER_VERSION_MASK) != SUPPORTED_BOOTLOADER)
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err = CYRET_ERR_VERSION;
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}
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return err;
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}
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int CyBtldr_GetApplicationStatus(unsigned char appID, unsigned char* isValid, unsigned char* isActive)
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{
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unsigned long inSize = 0;
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unsigned long outSize = 0;
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unsigned char inBuf[MAX_COMMAND_SIZE];
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unsigned char outBuf[MAX_COMMAND_SIZE];
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unsigned char status = CYRET_SUCCESS;
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int err;
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err = CyBtldr_CreateGetAppStatusCmd(appID, inBuf, &inSize, &outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_TransferData(inBuf, inSize, outBuf, outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_ParseGetAppStatusCmdResult(outBuf, outSize, isValid, isActive, &status);
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if (CYRET_SUCCESS == err)
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{
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if (CYRET_SUCCESS != status)
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err = status | CYRET_ERR_BTLDR_MASK;
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}
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return err;
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}
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int CyBtldr_SetApplicationStatus(unsigned char appID)
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{
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unsigned long inSize = 0;
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unsigned long outSize = 0;
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unsigned char inBuf[MAX_COMMAND_SIZE];
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unsigned char outBuf[MAX_COMMAND_SIZE];
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unsigned char status = CYRET_SUCCESS;
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int err;
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err = CyBtldr_CreateSetActiveAppCmd(appID, inBuf, &inSize, &outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_TransferData(inBuf, inSize, outBuf, outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_ParseSetActiveAppCmdResult(outBuf, outSize, &status);
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if (CYRET_SUCCESS == err)
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{
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if (CYRET_SUCCESS != status)
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err = status | CYRET_ERR_BTLDR_MASK;
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}
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return err;
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}
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int CyBtldr_EndBootloadOperation(void)
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{
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const unsigned char RESET = 0x00;
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unsigned long inSize;
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unsigned long outSize;
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unsigned char inBuf[MAX_COMMAND_SIZE];
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int err = CyBtldr_CreateExitBootLoaderCmd(RESET, inBuf, &inSize, &outSize);
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if (CYRET_SUCCESS == err)
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{
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err = g_comm->WriteData(inBuf, inSize);
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if (CYRET_SUCCESS == err)
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err = g_comm->CloseConnection();
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if (CYRET_SUCCESS != err)
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err |= CYRET_ERR_COMM_MASK;
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}
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g_comm = NULL;
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return err;
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}
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int CyBtldr_ProgramRow(unsigned char arrayID, unsigned short rowNum, unsigned char* buf, unsigned short size)
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{
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const int TRANSFER_HEADER_SIZE = 11;
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unsigned char inBuf[MAX_COMMAND_SIZE];
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unsigned char outBuf[MAX_COMMAND_SIZE];
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unsigned long inSize;
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unsigned long outSize;
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unsigned long offset = 0;
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unsigned short subBufSize;
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unsigned char status = CYRET_SUCCESS;
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int err = CyBtldr_ValidateRow(arrayID, rowNum);
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//Break row into pieces to ensure we don't send too much for the transfer protocol
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while ((CYRET_SUCCESS == err) && ((size - offset + TRANSFER_HEADER_SIZE) > g_comm->MaxTransferSize))
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{
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subBufSize = (unsigned short)(g_comm->MaxTransferSize - TRANSFER_HEADER_SIZE);
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err = CyBtldr_CreateSendDataCmd(&buf[offset], subBufSize, inBuf, &inSize, &outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_TransferData(inBuf, inSize, outBuf, outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_ParseSendDataCmdResult(outBuf, outSize, &status);
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if (CYRET_SUCCESS != status)
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err = status | CYRET_ERR_BTLDR_MASK;
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offset += subBufSize;
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}
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if (CYRET_SUCCESS == err)
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{
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subBufSize = (unsigned short)(size - offset);
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err = CyBtldr_CreateProgramRowCmd(arrayID, rowNum, &buf[offset], subBufSize, inBuf, &inSize, &outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_TransferData(inBuf, inSize, outBuf, outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_ParseProgramRowCmdResult(outBuf, outSize, &status);
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if (CYRET_SUCCESS != status)
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err = status | CYRET_ERR_BTLDR_MASK;
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}
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return err;
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}
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int CyBtldr_EraseRow(unsigned char arrayID, unsigned short rowNum)
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{
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unsigned char inBuf[MAX_COMMAND_SIZE];
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unsigned char outBuf[MAX_COMMAND_SIZE];
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unsigned long inSize = 0;
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unsigned long outSize = 0;
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unsigned char status = CYRET_SUCCESS;
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int err = CyBtldr_ValidateRow(arrayID, rowNum);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_CreateEraseRowCmd(arrayID, rowNum, inBuf, &inSize, &outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_TransferData(inBuf, inSize, outBuf, outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_ParseEraseRowCmdResult(outBuf, outSize, &status);
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if (CYRET_SUCCESS != status)
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err = status | CYRET_ERR_BTLDR_MASK;
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return err;
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}
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int CyBtldr_VerifyRow(unsigned char arrayID, unsigned short rowNum, unsigned char checksum)
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{
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unsigned char inBuf[MAX_COMMAND_SIZE];
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unsigned char outBuf[MAX_COMMAND_SIZE];
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unsigned long inSize = 0;
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unsigned long outSize = 0;
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unsigned char rowChecksum = 0;
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unsigned char status = CYRET_SUCCESS;
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int err = CyBtldr_ValidateRow(arrayID, rowNum);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_CreateVerifyRowCmd(arrayID, rowNum, inBuf, &inSize, &outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_TransferData(inBuf, inSize, outBuf, outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_ParseVerifyRowCmdResult(outBuf, outSize, &rowChecksum, &status);
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if (CYRET_SUCCESS != status)
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err = status | CYRET_ERR_BTLDR_MASK;
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if ((CYRET_SUCCESS == err) && (rowChecksum != checksum))
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err = CYRET_ERR_CHECKSUM;
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return err;
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}
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int CyBtldr_VerifyApplication()
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{
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unsigned char inBuf[MAX_COMMAND_SIZE];
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unsigned char outBuf[MAX_COMMAND_SIZE];
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unsigned long inSize = 0;
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unsigned long outSize = 0;
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unsigned char checksumValid = 0;
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unsigned char status = CYRET_SUCCESS;
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int err = CyBtldr_CreateVerifyChecksumCmd(inBuf, &inSize, &outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_TransferData(inBuf, inSize, outBuf, outSize);
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if (CYRET_SUCCESS == err)
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err = CyBtldr_ParseVerifyChecksumCmdResult(outBuf, outSize, &checksumValid, &status);
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if (CYRET_SUCCESS != status)
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err = status | CYRET_ERR_BTLDR_MASK;
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if ((CYRET_SUCCESS == err) && (!checksumValid))
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err = CYRET_ERR_CHECKSUM;
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return err;
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}
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