/*
* Copyright 2012 Andrew Smith
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option)
* any later version. See COPYING for more details.
*/
#ifndef USBUTILS_H
#define USBUTILS_H
#include <libusb.h>
// Use the device defined timeout
#define DEVTIMEOUT 0
// For endpoints defined in usb_find_devices.eps,
// the first two must be the default IN and OUT
#define DEFAULT_EP_IN 0
#define DEFAULT_EP_OUT 1
struct usb_endpoints {
uint8_t att;
uint16_t size;
unsigned char ep;
bool found;
};
struct usb_find_devices {
int drv;
const char *name;
uint16_t idVendor;
uint16_t idProduct;
int config;
int interface;
unsigned int timeout;
int epcount;
struct usb_endpoints *eps;
};
struct cg_usb_device {
struct usb_find_devices *found;
libusb_device_handle *handle;
pthread_mutex_t *mutex;
struct libusb_device_descriptor *descriptor;
uint8_t bus_number;
uint8_t device_address;
uint16_t usbver;
int speed;
char *prod_string;
char *manuf_string;
char *serial_string;
unsigned char fwVersion; // ??
unsigned char interfaceVersion; // ??
};
enum usb_cmds {
C_PING = 0,
C_CLEAR,
C_REQUESTVERSION,
C_GETVERSION,
C_REQUESTFPGACOUNT,
C_GETFPGACOUNT,
C_STARTPROGRAM,
C_STARTPROGRAMSTATUS,
C_PROGRAM,
C_PROGRAMSTATUS,
C_PROGRAMSTATUS2,
C_FINALPROGRAMSTATUS,
C_SETCLOCK,
C_REPLYSETCLOCK,
C_REQUESTUSERCODE,
C_GETUSERCODE,
C_REQUESTTEMPERATURE,
C_GETTEMPERATURE,
C_SENDWORK,
C_SENDWORKSTATUS,
C_REQUESTWORKSTATUS,
C_GETWORKSTATUS,
C_MAX
};
struct device_api;
struct cgpu_info;
void usb_uninit(struct cgpu_info *cgpu);
bool usb_init(struct cgpu_info *cgpu, struct libusb_device *dev, struct usb_find_devices *found);
void usb_detect(struct device_api *api, bool (*device_detect)(struct libusb_device *, struct usb_find_devices *));
struct api_data *api_usb_stats(int *count);
void update_usb_stats(struct cgpu_info *cgpu);
int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, int eol, enum usb_cmds);
int _usb_write(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, enum usb_cmds);
void usb_cleanup();
#define usb_read(cgpu, buf, bufsiz, read, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, -1, cmd)
#define usb_read_ep(cgpu, ep, buf, bufsiz, read, cmd) \
_usb_read(cgpu, ep, buf, bufsiz, read, DEVTIMEOUT, -1, cmd)
#define usb_read_timeout(cgpu, buf, bufsiz, read, timeout, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, timeout, -1, cmd)
#define usb_read_ep_timeout(cgpu, ep, buf, bufsiz, read, timeout, cmd) \
_usb_read(cgpu, ep, buf, bufsiz, read, timeout, -1, cmd)
#define usb_write(cgpu, buf, bufsiz, wrote, cmd) \
_usb_write(cgpu, DEFAULT_EP_OUT, buf, bufsiz, wrote, DEVTIMEOUT, cmd)
#define usb_write_ep(cgpu, ep, buf, bufsiz, wrote, cmd) \
_usb_write(cgpu, ep, buf, bufsiz, wrote, DEVTIMEOUT, cmd)
#define usb_write_timeout(cgpu, buf, bufsiz, wrote, timeout, cmd) \
_usb_write(cgpu, DEFAULT_EP_OUT, buf, bufsiz, wrote, timeout, cmd)
#define usb_write_ep_timeout(cgpu, ep, buf, bufsiz, wrote, timeout, cmd) \
_usb_write(cgpu, ep, buf, bufsiz, wrote, timeout, cmd)
#endif
