Hash :
171c3d0c
Author :
Date :
2012-11-16T00:13:56
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/**
* libztex.h - headers for Ztex 1.15x fpga board support library
*
* Copyright (c) 2012 nelisky.btc@gmail.com
*
* This work is based upon the Java SDK provided by ztex which is
* Copyright (C) 2009-2011 ZTEX GmbH.
* http://www.ztex.de
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see http://www.gnu.org/licenses/.
**/
#ifndef __LIBZTEX_H__
#define __LIBZTEX_H__
#include <libusb.h>
#define LIBZTEX_MAX_DESCRIPTORS 512
#define LIBZTEX_SNSTRING_LEN 10
#define LIBZTEX_IDVENDOR 0x221A
#define LIBZTEX_IDPRODUCT 0x0100
#define LIBZTEX_MAXMAXERRORRATE 0.05
#define LIBZTEX_ERRORHYSTERESIS 0.1
#define LIBZTEX_OVERHEATTHRESHOLD 0.4
struct libztex_fpgastate {
bool fpgaConfigured;
unsigned char fpgaChecksum;
uint16_t fpgaBytes;
unsigned char fpgaInitB;
unsigned char fpgaFlashResult;
bool fpgaFlashBitSwap;
};
struct libztex_device {
pthread_mutex_t mutex;
struct libztex_device *root;
int fpgaNum;
bool valid;
struct libusb_device_descriptor descriptor;
libusb_device_handle *hndl;
unsigned char usbbus;
unsigned char usbaddress;
unsigned char snString[LIBZTEX_SNSTRING_LEN+1];
unsigned char productId[4];
unsigned char fwVersion;
unsigned char interfaceVersion;
unsigned char interfaceCapabilities[6];
unsigned char moduleReserved[12];
uint8_t numNonces;
uint16_t offsNonces;
double freqM1;
uint8_t freqM;
uint8_t freqMaxM;
uint8_t freqMDefault;
char* bitFileName;
bool suspendSupported;
double hashesPerClock;
uint8_t extraSolutions;
double errorCount[256];
double errorWeight[256];
double errorRate[256];
double maxErrorRate[256];
int numberOfFpgas;
int selectedFpga;
bool parallelConfigSupport;
char repr[20];
};
struct libztex_dev_list {
struct libztex_device *dev;
struct libztex_dev_list *next;
};
struct libztex_hash_data {
uint32_t goldenNonce[2];
uint32_t nonce;
uint32_t hash7;
};
extern int libztex_scanDevices (struct libztex_dev_list ***devs);
extern void libztex_freeDevList (struct libztex_dev_list **devs);
extern int libztex_prepare_device (struct libusb_device *dev, struct libztex_device** ztex);
extern void libztex_destroy_device (struct libztex_device* ztex);
extern int libztex_configureFpga (struct libztex_device *dev);
extern int libztex_setFreq (struct libztex_device *ztex, uint16_t freq);
extern int libztex_sendHashData (struct libztex_device *ztex, unsigned char *sendbuf);
extern int libztex_readHashData (struct libztex_device *ztex, struct libztex_hash_data nonces[]);
extern int libztex_resetFpga (struct libztex_device *ztex);
extern int libztex_selectFpga(struct libztex_device *ztex);
extern int libztex_numberOfFpgas(struct libztex_device *ztex);
#endif /* __LIBZTEX_H__ */