9de9b9dfbe
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25774 a1c6a512-1295-4272-9138-f99709370657
336 lines
8.7 KiB
C
336 lines
8.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 Dave Chapman
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*
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* USB code based on ifp-line - http://ifp-driver.sourceforge.net
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*
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* ifp-line is (C) Pavel Kriz, Jun Yamishiro and Joe Roback and
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* licensed under the GPL (v2)
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include <inttypes.h>
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#include <usb.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#define MAX_FIRMWARESIZE (10*1024*1024) /* Arbitrary limit (for safety) */
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/* For win32 compatibility: */
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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struct device_t
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{
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char* name;
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char* label;
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uint16_t productid;
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uint32_t loadaddr;
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uint32_t sdcfg;
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};
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static struct device_t devices[] =
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{
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{"c100", "Sansa C100 series", 0xb021, 0x20000000, 0x42e97010 },
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{"m200", "Sansa M200 series", 0xb021, 0x20000000, 0x42e97010 },
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{"cowond2", "Cowon D2", 0xb011, 0x20000000, 0xa2e92010 },
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{"cowons9", "Cowon S9", 0xb057, 0x20000000, 0xa1102800 },
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{"iaudio6", "iAudio 6", 0xb021, 0x20000000, 0x62e97010 },
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{"iaudio7", "iAudio 7", 0xb021, 0x20000000, 0x62e97010 },
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{"logikdax", "Logik DAX 1GB DAB/MP3 player", 0xb021, 0x20000000, 0x52e97410 },
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{"x20", "iRiver X20", 0xb051, 0x20000000, 0x02e92010 },
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{"ypp2", "Samsung YP-P2", 0xb011, 0x20000000, 0x22e92010 },
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{"ypk3", "Samsung YP-K3", 0xb021, 0x20000000, 0x62e92018 },
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};
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#define NUM_DEVICES ((sizeof(devices) / sizeof(struct device_t)))
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int find_device(char* devname)
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{
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unsigned int i = 0;
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while ((i < NUM_DEVICES) && (strcmp(devices[i].name,devname)))
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i++;
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if (i==NUM_DEVICES)
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return -1;
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else
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return i;
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}
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void print_devices(void)
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{
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unsigned int i;
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printf("Valid devices are:\n");
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for (i=0; i<NUM_DEVICES; i++)
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{
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printf(" %10s - %s\n",devices[i].name,devices[i].label);
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}
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}
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/* USB IDs for USB Boot Mode */
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#define TCC_VENDORID 0x140e
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#define TCC_BULK_TO 1
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#define TOUT 5000
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#define PACKET_SIZE 64 /* Number of bytes to send in one write */
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#ifndef MAX
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#define MAX(a,b) (((a)>(b))?(a):(b))
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#endif
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static void put_int32le(uint32_t x, char* p)
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{
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p[0] = x & 0xff;
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p[1] = (x >> 8) & 0xff;
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p[2] = (x >> 16) & 0xff;
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p[3] = (x >> 24) & 0xff;
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}
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int upload_app(usb_dev_handle* dh, int device, char* p, int len)
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{
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char buf[PACKET_SIZE];
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int err;
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int i;
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/* Send the header - Destination address, length and SDCFG value */
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memset(buf, 0, PACKET_SIZE);
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put_int32le(0xf0000000, buf); /* Unknown - always the same */
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put_int32le(len / PACKET_SIZE, buf + 4);
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put_int32le(devices[device].loadaddr, buf + 8);
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put_int32le(devices[device].sdcfg, buf + 12);
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err = usb_bulk_write(dh, TCC_BULK_TO, buf, PACKET_SIZE, TOUT);
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if (err < 0)
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{
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fprintf(stderr,"[ERR] Error writing header\n");
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fprintf(stderr,"[ERR] Bulk write error (%d, %s)\n", err, strerror(-err));
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return -1;
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}
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/* Now send the data, PACKET_SIZE bytes at a time. */
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for (i=0 ; i < (len / PACKET_SIZE) ; i++)
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{
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err = usb_bulk_write(dh, TCC_BULK_TO, p, PACKET_SIZE, TOUT);
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if (err < 0)
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{
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fprintf(stderr,"[ERR] Error writing data\n");
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fprintf(stderr,"[ERR] Bulk write error (%d, %s)\n", err, strerror(-err));
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return -1;
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}
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p += PACKET_SIZE;
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}
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return 0;
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}
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/* The main function */
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int do_patching(int device, char* buf, int len)
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{
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struct usb_bus *busses;
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struct usb_bus *bus;
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struct usb_device *tmp_dev;
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struct usb_device *dev = NULL;
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usb_dev_handle *dh;
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int err;
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fprintf(stderr,"[INFO] Searching for TCC device...\n");
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usb_init();
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if(usb_find_busses() < 0) {
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fprintf(stderr, "[ERR] Could not find any USB busses.\n");
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return -1;
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}
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if (usb_find_devices() < 0) {
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fprintf(stderr, "[ERR] USB devices not found(nor hubs!).\n");
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return -1;
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}
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/* C calling convention, it's not nice to use global stuff */
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busses = usb_get_busses();
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for (bus = busses; bus; bus = bus->next) {
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for (tmp_dev = bus->devices; tmp_dev; tmp_dev = tmp_dev->next) {
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//printf("Found Vendor %04x Product %04x\n",tmp_dev->descriptor.idVendor, tmp_dev->descriptor.idProduct);
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if (tmp_dev->descriptor.idVendor == TCC_VENDORID &&
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tmp_dev->descriptor.idProduct == devices[device].productid) {
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dev = tmp_dev;
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goto found;
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}
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}
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}
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if (dev == NULL) {
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fprintf(stderr, "[ERR] TCC device not found.\n");
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fprintf(stderr, "[ERR] Ensure your TCC device is in USB boot mode and run tcctool again.\n");
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return -1;
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}
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found:
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if ( (dh = usb_open(dev)) == NULL) {
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fprintf(stderr,"[ERR] Unable to open TCC device.\n");
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return -1;
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}
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err = usb_set_configuration(dh, 1);
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if (err < 0) {
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fprintf(stderr, "[ERR] usb_set_configuration failed (%d)\n", err);
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usb_close(dh);
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return -1;
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}
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/* "must be called" written in the libusb documentation */
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err = usb_claim_interface(dh, dev->config->interface->altsetting->bInterfaceNumber);
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if (err < 0) {
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fprintf(stderr, "[ERR] Unable to claim interface (%d)\n", err);
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usb_close(dh);
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return -1;
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}
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fprintf(stderr,"[INFO] Found TCC device, uploading application.\n");
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/* Now we can transfer the application to the device. */
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if ( (err = upload_app(dh, device, buf, len)) < 0)
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{
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fprintf(stderr,"[ERR] Upload of application failed.\n");
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}
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else
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{
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fprintf(stderr,"[INFO] Patching application uploaded successfully!\n");
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}
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/* release claimed interface */
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usb_release_interface(dh, dev->config->interface->altsetting->bInterfaceNumber);
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usb_close(dh);
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return err < 0 ? -1: 0;
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}
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off_t filesize(int fd) {
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struct stat buf;
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if (fstat(fd,&buf) < 0) {
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perror("[ERR] Checking filesize of input file");
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return -1;
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} else {
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return(buf.st_size);
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}
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}
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void print_usage(void)
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{
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printf("Usage: tcctool -d devicename firmware.bin\n");
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}
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int main(int argc, char* argv[])
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{
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char* buf;
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int n,len,padded_len;
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int fd;
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int device;
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printf("tcctool " VERSION " - (C) 2007-2010 Dave Chapman\n");
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printf("This is free software; see the source for copying conditions. There is NO\n");
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printf("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n");
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if (argc != 4)
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{
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print_usage();
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print_devices();
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return 1;
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}
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if (strcmp(argv[1],"-d"))
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{
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print_usage();
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print_devices();
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return 2;
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}
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device = find_device(argv[2]);
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if (device < 0)
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{
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printf("[ERR] Unknown device \"%s\"\n",argv[2]);
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print_devices();
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return 3;
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}
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printf("[INFO] Using device \"%s\"\n",devices[device].label);
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fd = open(argv[3], O_RDONLY|O_BINARY);
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if (fd < 0)
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{
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printf("[ERR] Could not open %s\n", argv[3]);
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return 4;
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}
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len = filesize(fd);
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if (len > MAX_FIRMWARESIZE)
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{
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printf("[ERR] Firmware file too big\n");
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close(fd);
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return 5;
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}
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/* Round len up to multiple of PACKET_SIZE */
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padded_len = (len + PACKET_SIZE) & ~(PACKET_SIZE-1);
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buf = malloc(padded_len);
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if (buf == NULL)
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{
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printf("[ERR] Could not allocate memory.\n");
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close(fd);
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return 6;
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}
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n = read(fd, buf, len);
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if (n != len)
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{
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printf("[ERR] Short read.\n");
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close(fd);
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return 7;
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}
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close(fd);
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if (do_patching(device, buf, padded_len))
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{
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return 8;
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}
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return 0;
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}
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