thodg/cgminer/mcp2210.c

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• Hash : efd179fd
  Author :
  Date : 2014-01-03T11:42:44
  

  Create a generic mcp2210 send_rcv function.

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• mcp2210.c

• /*
   * Copyright 2014 Con Kolivas
   *
   * 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.
   */
  #include "miner.h"
  #include "usbutils.h"
  #include "mcp2210.h"
  
  bool mcp2210_send_recv(struct cgpu_info *cgpu, char *buf, enum usb_cmds send_cmd,
  		       enum usb_cmds recv_cmd)
  {
  	int amount, err;
  
  	if (unlikely(cgpu->usbinfo.nodev))
  		return false;
  
  	err = usb_write(cgpu, buf, MCP2210_BUFFER_LENGTH, &amount, send_cmd);
  	if (err || amount != MCP2210_BUFFER_LENGTH) {
  		applog(LOG_WARNING, "%s %d: Error %d sending %s sent %d of %d",
  		       cgpu->drv->name, cgpu->device_id, err, usb_cmdname(send_cmd),
  		       amount, MCP2210_BUFFER_LENGTH);
  		return false;
  	}
  
  	err = usb_read(cgpu, buf, MCP2210_BUFFER_LENGTH, &amount, recv_cmd);
  	if (err || amount != MCP2210_BUFFER_LENGTH) {
  		applog(LOG_WARNING, "%s %d: Error %d receiving %s received %d of %d",
  		       cgpu->drv->name, cgpu->device_id, err, usb_cmdname(recv_cmd),
  		       amount, MCP2210_BUFFER_LENGTH);
  		return false;
  	}
  
  	return true;
  }
  

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