fp@1126: /*****************************************************************************
fp@1126:  *
fp@1126:  * $Id$
fp@1126:  *
fp@1126:  ****************************************************************************/
fp@1126: 
fp@1126: #include <iostream>
fp@1126: #include <iomanip>
fp@1126: #include <fstream>
fp@1126: using namespace std;
fp@1126: 
fp@1126: #include "globals.h"
fp@1126: #include "sii_crc.h"
fp@1126: 
fp@1126: /****************************************************************************/
fp@1126: 
fp@1130: // FIXME
fp@1126: const char *help_sii_write =
fp@1126:     "[OPTIONS]\n"
fp@1126:     "\n"
fp@1126:     "\n"
fp@1126:     "Command-specific options:\n";
fp@1126: 
fp@1126: /****************************************************************************/
fp@1126: 
fp@1126: void command_sii_write(void)
fp@1126: {
fp@1126:     stringstream err;
fp@1126:     ec_ioctl_slave_sii_t data;
fp@1126:     ifstream file;
fp@1126:     unsigned int byte_size;
fp@1126:     const uint16_t *categoryHeader;
fp@1126:     uint16_t categoryType, categorySize;
fp@1126:     uint8_t crc;
fp@1126: 
fp@1126:     if (slavePosition < 0) {
fp@1126:         err << "'sii_write' requires a slave! Please specify --slave.";
fp@1126:         throw MasterDeviceException(err.str());
fp@1126:     }
fp@1126:     data.slave_position = slavePosition;
fp@1126: 
fp@1126:     if (commandArgs.size() != 1) {
fp@1126:         err << "'ssi_write' takes exactly one argument!";
fp@1126:         throw MasterDeviceException(err.str());
fp@1126:     }
fp@1126: 
fp@1126:     file.open(commandArgs[0].c_str(), ifstream::in | ifstream::binary);
fp@1126:     if (file.fail()) {
fp@1126:         err << "Failed to open '" << commandArgs[0] << "'!";
fp@1126:         throw MasterDeviceException(err.str());
fp@1126:     }
fp@1126: 
fp@1126:     // get length of file
fp@1126:     file.seekg(0, ios::end);
fp@1126:     byte_size = file.tellg();
fp@1126:     file.seekg(0, ios::beg);
fp@1126: 
fp@1126:     if (!byte_size || byte_size % 2) {
fp@1126:         stringstream err;
fp@1126:         err << "Invalid file size! Must be non-zero and even.";
fp@1126:         throw MasterDeviceException(err.str());
fp@1126:     }
fp@1126: 
fp@1126:     data.nwords = byte_size / 2;
fp@1126:     if (data.nwords < 0x0041 && !force) {
fp@1126:         err << "SII data too short (" << data.nwords << " words)! Mimimum is"
fp@1126:                 " 40 fixed words + 1 delimiter. Use --force to write anyway.";
fp@1126:         throw MasterDeviceException(err.str());
fp@1126:     }
fp@1126: 
fp@1126:     // allocate buffer and read file into buffer
fp@1126:     data.words = new uint16_t[data.nwords];
fp@1126:     file.read((char *) data.words, byte_size);
fp@1126:     file.close();
fp@1126: 
fp@1126:     if (!force) {
fp@1126:         // calculate checksum over words 0 to 6
fp@1126:         crc = calcSiiCrc((const uint8_t *) data.words, 14);
fp@1126:         if (crc != ((const uint8_t *) data.words)[14]) {
fp@1126:             err << "CRC incorrect. Must be 0x"
fp@1126:                 << hex << setfill('0') << setw(2) << (unsigned int) crc
fp@1126:                 << ". Use --force to write anyway.";
fp@1126:             throw MasterDeviceException(err.str());
fp@1126:         }
fp@1126: 
fp@1126:         // cycle through categories to detect corruption
fp@1126:         categoryHeader = data.words + 0x0040U;
fp@1126:         categoryType = le16tocpu(*categoryHeader);
fp@1126:         while (categoryType != 0xffff) {
fp@1126:             if (categoryHeader + 1 > data.words + data.nwords) {
fp@1126:                 err << "SII data seem to be corrupted! "
fp@1126:                     << "Use --force to write anyway.";
fp@1126:                 throw MasterDeviceException(err.str());
fp@1126:             }
fp@1126:             categorySize = le16tocpu(*(categoryHeader + 1));
fp@1126:             if (categoryHeader + 2 + categorySize + 1
fp@1126:                     > data.words + data.nwords) {
fp@1126:                 err << "SII data seem to be corrupted! "
fp@1126:                     "Use --force to write anyway.";
fp@1126:                 throw MasterDeviceException(err.str());
fp@1126:             }
fp@1126:             categoryHeader += 2 + categorySize;
fp@1126:             categoryType = le16tocpu(*categoryHeader);
fp@1126:         }
fp@1126:     }
fp@1126: 
fp@1126:     // send data to master
fp@1126:     masterDev.open(MasterDevice::ReadWrite);
fp@1126:     data.offset = 0;
fp@1126: 	masterDev.writeSii(&data);
fp@1126: }
fp@1126: 
fp@1126: /*****************************************************************************/