85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
|
/*
|
||
|
|
* This file is part of the sigrok project.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
* 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/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Helper functions for the Cypress EZ-USB / FX2 series chips.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <libusb.h>
|
||
|
|
#include <glib.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include "config.h"
|
||
|
|
|
||
|
|
int ezusb_reset(struct libusb_device_handle *hdl, int set_clear)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
unsigned char buf[1];
|
||
|
|
|
||
|
|
g_message("setting CPU reset mode %s...", set_clear ? "on" : "off");
|
||
|
|
buf[0] = set_clear ? 1 : 0;
|
||
|
|
err = libusb_control_transfer(hdl, LIBUSB_REQUEST_TYPE_VENDOR, 0xa0,
|
||
|
|
0xe600, 0x0000, buf, 1, 100);
|
||
|
|
if(err < 0)
|
||
|
|
g_warning("Unable to send control request: %d", err);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int ezusb_install_firmware(libusb_device_handle *hdl, const char *filename)
|
||
|
|
{
|
||
|
|
FILE *fw;
|
||
|
|
int offset, chunksize, err, result;
|
||
|
|
unsigned char buf[4096];
|
||
|
|
|
||
|
|
g_message("Uploading firmware at %s", filename);
|
||
|
|
if((fw = fopen(filename, "r")) == NULL)
|
||
|
|
{
|
||
|
|
g_warning("Unable to open firmware file %s for reading: %s", filename, strerror(errno));
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
result = 0;
|
||
|
|
offset = 0;
|
||
|
|
while(1)
|
||
|
|
{
|
||
|
|
chunksize = fread(buf, 1, 4096, fw);
|
||
|
|
if(chunksize == 0)
|
||
|
|
break;
|
||
|
|
err = libusb_control_transfer(hdl, LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT, 0xa0,
|
||
|
|
offset, 0x0000, buf, chunksize, 100);
|
||
|
|
if(err < 0)
|
||
|
|
{
|
||
|
|
g_warning("Unable to send firmware to device: %d", err);
|
||
|
|
result = 1;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
g_message("Uploaded %d bytes", chunksize);
|
||
|
|
offset += chunksize;
|
||
|
|
}
|
||
|
|
fclose(fw);
|
||
|
|
g_message("Firmware upload done");
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
|