/***************************************************************************** ** Logic.cpp - Source file containing all utility functions used in ** communication process by Threads and Gui ** Author: Kraku *****************************************************************************/ #include "Logic.h" #include "const.h" #include "AbstractPort.h" #include #include /* array used to generate crc16 */ unsigned short crc16_tab[256] = { 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7, 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6, 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE, 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485, 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D, 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4, 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823, 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B, 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12, 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A, 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41, 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70, 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78, 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F, 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067, 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E, 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256, 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D, 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C, 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634, 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB, 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3, 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A, 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92, 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1, 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8, 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0 }; /* array of producers names and codes */ desc_t producers[] = { {0x01, "AMD"}, {0x02, "AMI"}, {0xe5, "Analog Devices"}, {0x1f, "Atmel"}, {0x31, "Catalyst"}, {0x34, "Cypress"}, {0x04, "Fujitsu"}, {0xE0, "Goldstar"}, {0x07, "Hitachi"}, {0xad, "Hyundai"}, {0xc1, "Infineon"}, {0x89, "Intel"}, {0xd5, "Intg. Silicon Systems"}, {0xc2, "Macronix"}, {0x29, "Microchip"}, {0x2c, "Micron"}, {0x1c, "Mitsubishi"}, {0x10, "Nec"}, {0x15, "Philips Semiconductors"}, {0xce, "Samsung"}, {0x62, "Sanyo"}, {0x20, "SGS Thomson"}, {0xb0, "Sharp"}, {0xbf, "SST"}, {0x97, "Texas Instruments"}, {0x98, "Toshiba"}, {0xda, "Winbond"}, {0x19, "Xicor"}, {0xc9, "Xilinx"} }; /* array of cart types - source GB CPU Manual */ desc_t carts[] = { {0x00, "ROM ONLY"}, {0x01, "ROM+MBC1"}, {0x02, "ROM+MBC1+RAM"}, {0x03, "ROM+MBC1+RAM+BATT"}, {0x05, "ROM+MBC2"}, {0x06, "ROM+MBC2+BATTERY"}, {0x08, "ROM+RAM"}, {0x09, "ROM+RAM+BATTERY"}, {0x11, "ROM+MBC3"}, {0x0b, "ROM+MMMO1"}, {0x0c, "ROM+MMMO1+SRAM"}, {0x0d, "ROM+MMMO1+SRAM+BATT"}, {0x0f, "ROM+MBC3+TIMER+BATT"}, {0x10, "ROM+MBC3+TIMER+RAM+BAT"}, {0x12, "ROM+MBC3+RAM"}, {0x13, "ROM+MBC3+RAM+BATT"}, {0x19, "ROM+MBC5"}, {0x1a, "ROM+MBC5+RAM"}, {0x1b, "ROM+MBC5+RAM+BATT"}, {0x1c, "ROM+MBC5+RUMBLE"}, {0x1d, "ROM+MBC5+RUMBLE+SRAM"}, {0x1e, "ROM+MBC5+RUMBLE+SRAM+BATT"}, {0x1f, "Pocket Camera"}, {0xfd, "Bandai TAMA5"}, {0xfe, "Hudson HuC-3"} }; desc_t rom_sizes[] = { {0x00, "32KB"}, {0x01, "64KB"}, {0x02, "128KB"}, {0x03, "256KB"}, {0x04, "512KB"}, {0x05, "1MB"}, {0x06, "2MB"}, {0x52, "1.1MB"}, {0x53, "1.2MB"}, {0x54, "1.5MB"} }; desc_t ram_sizes[] = { {0x00, "0KB"}, {0x01, "2KB"}, {0x02, "8KB"}, {0x03, "32KB"}, {0x04, "128KB"} }; Logic::Logic (QObject * parent):QObject (parent) { //version with threads //TODO: move it } int Logic::read_status (AbstractPort * port, const char *port_name, char id, char mbc, char algorythm, status_t * flasher_stat) { assert (port != NULL); if (port->open_port (port_name) == FALSE) return PORT_ERROR; unsigned short crc16; unsigned char packet[PACKETSIZE]; memset (packet, 0x00, PACKETSIZE); packet[0] = DATA; packet[1] = STATUS; packet[2] = id; packet[3] = mbc; packet[4] = algorythm; crc16 = generate_crc16 (packet); packet[PACKETSIZE - 2] = crc16 / 256; packet[PACKETSIZE - 1] = crc16 % 256; if (port->send_packet (packet) < PACKETSIZE) { port->close_port (); return SEND_ERROR; } else { if (port->receive_packet (packet) == DATA) { int i, producers_count = sizeof producers / sizeof producers[0]; int types_count = sizeof carts / sizeof carts[0]; int types_count_rom = sizeof rom_sizes / sizeof rom_sizes[0]; int types_count_ram = sizeof ram_sizes / sizeof ram_sizes[0]; /* filling struct with data from packet */ flasher_stat->ver_11 = packet[2] / 16; flasher_stat->ver_12 = packet[2] % 16; flasher_stat->ver_21 = packet[3] / 16; flasher_stat->ver_22 = packet[3] % 16; flasher_stat->manufacturer_id = packet[4]; /* if code if not found - it remains unknown */ strcpy (flasher_stat->manufacturer, tr ("Unknown manufacturer").toLocal8Bit ()); for (i = 0; i < producers_count; i++) if (flasher_stat->manufacturer_id == producers[i].index) { memset (flasher_stat->manufacturer, 0x00, 30); strcpy (flasher_stat->manufacturer, producers[i].name); } flasher_stat->chip_id = packet[5]; flasher_stat->bbl = packet[6] & 0x01; flasher_stat->logo_correct = packet[8]; memcpy (flasher_stat->game_name, &packet[9], 16); for (int i = 0; i < 16; i++) if (!isalnum (flasher_stat->game_name[i]) || flasher_stat->game_name[i] == '\n') flasher_stat->game_name[i] = ' '; flasher_stat->game_name[16] = '\0'; flasher_stat->cgb = (packet[24] == 0x80) ? 1 : 0; flasher_stat->sgb = (packet[27] == 0x03) ? 1 : 0; strcpy (flasher_stat->typ, tr ("Unknown type").toLocal8Bit ()); for (i = 0; i < types_count; i++) if (packet[28] == carts[i].index) { memset (flasher_stat->typ, 0x00, 30); strcpy (flasher_stat->typ, carts[i].name); } for (i = 0; i < types_count_rom; i++) if (packet[29] == rom_sizes[i].index) { memset (flasher_stat->rom_size, 0x00, sizeof flasher_stat->rom_size); strcpy (flasher_stat->rom_size, rom_sizes[i].name); } for (i = 0; i < types_count_ram; i++) if (packet[30] == ram_sizes[i].index) { memset (flasher_stat->ram_size, 0x00, sizeof flasher_stat->ram_size); strcpy (flasher_stat->ram_size, ram_sizes[i].name); } flasher_stat->crc16 = 256 * packet[35] + packet[36]; port->close_port (); return TRUE; } else { port->close_port (); return FALSE; } } } unsigned short Logic::generate_crc16 (unsigned char packet[PACKETSIZE]) { int i; unsigned short crc16 = 0x0000; /* generate for whole packet, except for two last bytes */ for (i = 0; i < PACKETSIZE - 2; i++) crc16 = (crc16 << 8) ^ crc16_tab[((crc16 >> 8) ^ packet[i]) & 0xFF]; return crc16; } void Logic::fill_data_packet (unsigned char packet[PACKETSIZE], unsigned char data[FRAMESIZE], char packet_type, unsigned char packet_index, int page_index) { unsigned short crc16; memset (packet, 0x00, PACKETSIZE); packet[0] = DATA; packet[1] = packet_type; packet[2] = RESERVED; packet[3] = packet_index; packet[4] = page_index / 256; packet[5] = page_index % 256; /* copy data to packet */ memcpy (&packet[6], data, FRAMESIZE); /* generate and set crc */ crc16 = generate_crc16 (packet); packet[PACKETSIZE - 2] = crc16 / 256; packet[PACKETSIZE - 1] = crc16 % 256; } int Logic::check_packet (unsigned char packet[PACKETSIZE]) { unsigned short crc16 = generate_crc16 (packet); /* data packet with correct crc */ if (packet[0] == DATA && packet[PACKETSIZE - 2] == crc16 / 256 && packet[PACKETSIZE - 1] == crc16 % 256) return packet[1]; /* return packet type */ else return BAD_PACKET; } long Logic::file_size (FILE * file) { long size = 0; fseek (file, 0x00, SEEK_END); size = ftell (file); fseek (file, 0x00, SEEK_SET); return size; } short Logic::flash_file_size (FILE * file) { long mem_size = Logic::file_size (file); /* file_size w kB */ switch (mem_size) { case 32 * 1024: case 64 * 1024: case 128 * 1024: case 256 * 1024: case 512 * 1024: case 1024 * 1024: case 2048 * 1024: case 4096 * 1024: case 8192 * 1024: return (short) (mem_size / 1024L); default: return FALSE; } } short Logic::ram_file_size (FILE * file) { long mem_size = Logic::file_size (file); switch (mem_size) { case 2 * 1024: case 8 * 1024: case 32 * 1024: case 128 * 1024: return (short) (mem_size / 1024L); default: return FALSE; } } bool Logic::send_start_packet (AbstractPort * port, config_t cfg) { unsigned short crc16; unsigned char packet[PACKETSIZE]; memset (packet, 0x00, PACKETSIZE); packet[0] = DATA; packet[1] = CONFIG; packet[2] = cfg.operation; packet[3] = cfg.mbc; packet[4] = cfg.algorythm; packet[5] = cfg.dap; packet[6] = (cfg.page_count - 1) / 256; packet[7] = (cfg.page_count - 1) % 256; crc16 = Logic::generate_crc16 (packet); packet[PACKETSIZE - 2] = crc16 / 256; packet[PACKETSIZE - 1] = crc16 % 256; if (port->send_packet (packet) < PACKETSIZE) return FALSE; else return TRUE; } QString Logic::get_path (QString name) { int end; if ((end = name.lastIndexOf ("/")) != -1) { return name.left (end); } else return QString ("."); }