int usb_init(void)
{
int result;
running = 0;
dev_index = 0;
asynch_allowed = 1;
usb_hub_reset();
/* init low_level USB */
printf("USB: ");
result = usb_lowlevel_init();
/* if lowlevel init is OK, scan the bus for devices
* i.e. search HUBs and configure them */
if (result == 0) {
printf("scanning bus for devices... ");
running = 1;
usb_scan_devices();
usb_started = 1;
return 0;
} else {
printf("Error, couldn't init Lowlevel part\n");
usb_started = 0;
return -1;
}
}
int usb_init(void)
{
int result;
running = 0;
dev_index = 0;
asynch_allowed = 1;
usb_hub_reset();
/* init low_level USB */
result = usb_lowlevel_init();
/* if lowlevel init is OK, scan the bus for devices i.e. search HUBs and configure them */
if(result == 0) {
printf("scanning bus for devices...\n ");
running = 1;
/*empty port not scan*/
/*printf("port_connect_status:%x,usb_sel:%x\n",port_connect_status,usb_sel);*/
if (port_connect_status != usb_sel) {
printf("Error, couldn't init Lowlevel part\n");
return -1;
}
result = usb_scan_devices();
if (result < 0 )
return -1;
else
return 0;
} else {
printf("Error, couldn't init Lowlevel part\n");
return -1;
}
}
int usb_post_init(int port)
{
int result=0;
#if 0
//#if defined (CONFIG_TITANIA8) || defined(CONFIG_JANUS2)
// Force USB to use MIU0.
*((unsigned char volatile *)(0xBF200000+0x600*2+0xF0*2+1)) = (*((unsigned char volatile *)(0xBF200000+0x600*2+0xF0*2+1))
& 0xF1) ;
*((unsigned char volatile *)(0xBF200000+0x1200*2+0xF0*2+1)) = (*((unsigned char volatile *)(0xBF200000+0x1200*2+0xF0*2+1))
& 0xF1) ;
#endif
if ((port==0)||(port==1)||(port==2))
UsbPortSelect=port;
else
UsbPortSelect=0;
//running=0;
dev_index=0;
asynch_allowed=1;
printf("Check USB port[%d]:\n", port);
//usb_hub_reset();
/* init low_level USB */
//retry:
result = usb_lowlevel_postinit();
/* if lowlevel init is OK, scan the bus for devices i.e. search HUBs and configure them */
if(result==0) {
printf("scanning bus for devices... ");
//running=1;
result=usb_scan_devices();
if(result) {
printf("Error, bad or unsupported device...\n");
usb_started = 0;
return -1;
}
usb_started = 1;
#if (CONFIG_COMMANDS & CFG_CMD_FAT)
{
char cmd_buf[32];
extern int snprintf(char *str, size_t size, const char *fmt, ...);
memset(cmd_buf, 0 , sizeof(cmd_buf));
snprintf(cmd_buf, sizeof(cmd_buf), "setenv %s", ENV_PARTNO);
run_command(cmd_buf, 0);
}
#endif
return 0;
}
else {
printf("Error, couldn't init Lowlevel part\n");
usb_started = 0;
return -1;
}
}
int usb_preinit(int port)
{
int result=0;
#if 0
//#if defined (CONFIG_TITANIA8) || defined(CONFIG_JANUS2)
// Force USB to use MIU0.
*((unsigned char volatile *)(0xBF200000+0x600*2+0xF0*2+1)) = (*((unsigned char volatile *)(0xBF200000+0x600*2+0xF0*2+1))
& 0xF1) ;
*((unsigned char volatile *)(0xBF200000+0x1200*2+0xF0*2+1)) = (*((unsigned char volatile *)(0xBF200000+0x1200*2+0xF0*2+1))
& 0xF1) ;
#endif
if ((port==0)||(port==1)||(port==2))
UsbPortSelect=port;
else
UsbPortSelect=0;
//running=0;
dev_index=0;
asynch_allowed=1;
printf("Preinit USB port[%d]:\n", port);
usb_hub_reset();
/* init low_level USB */
//retry:
result = usb_lowlevel_preinit();
/* if lowlevel init is OK, scan the bus for devices i.e. search HUBs and configure them */
if(result==0) {
printf("scanning bus for devices... ");
//running=1;
result=usb_scan_devices();
if(result) {
printf("Error, bad or unsupported device...\n");
usb_started = 0;
return -1;
}
usb_started = 1;
return 0;
}
else {
//printf("Error, couldn't init Lowlevel part\n");
usb_started = 0;
return -1;
}
}
int
main(int argc, char** argv)
{
int bus, dev;
int actual_bus, actual_dev;
char devname[_POSIX_PATH_MAX];
long strtol_tmp1;
char* strtol_tmp2;
if (3 != argc) {
fprintf(stderr, "usb_chmod: wrong number of arguments\n");
fprintf(stderr, " : usage, usb_chmod <bus> <dev>\n");
exit(EXIT_FAILURE);
}
if (('\0' == argv[1][0]) || ('\0' == argv[2][0])) {
fprintf(stderr, "usb_chmod: invalid arguments\n");
exit(EXIT_FAILURE);
}
strtol_tmp1 = strtol(argv[1], &strtol_tmp2, 10);
if ('\0' != *strtol_tmp2) {
fprintf(stderr, "usbchmod: invalid first argument, not a number\n");
exit(EXIT_FAILURE);
}
if (strtol_tmp1 > INT_MAX) {
fprintf(stderr, "usbchmod: invalid first argument, number too large\n");
exit(EXIT_FAILURE);
}
bus = (int) strtol_tmp1;
strtol_tmp1 = strtol(argv[2], &strtol_tmp2, 10);
if ('\0' != *strtol_tmp2) {
fprintf(stderr, "usbchmod: invalid second argument, not a number\n");
exit(EXIT_FAILURE);
}
if (strtol_tmp1 > INT_MAX) {
fprintf(stderr, "usbchmod: invalid second argument, number too large\n");
exit(EXIT_FAILURE);
}
dev = (int) strtol_tmp1;
if (!usb_scan_devices(&actual_bus, &actual_dev)) {
fprintf(stderr, "usb_chmod: failed to find eCos USB test application\n");
exit(EXIT_FAILURE);
}
if ((bus != actual_bus) || (dev != actual_dev)) {
fprintf(stderr, "usbchmod: mismatch between specified and actual USB identifiers.\n");
fprintf(stderr, " : eCos test application is at %03d/%03d, not %03d/%03d\n",
actual_bus, actual_dev, bus, dev);
exit(EXIT_FAILURE);
}
if (_POSIX_PATH_MAX == snprintf(devname, _POSIX_PATH_MAX, "/proc/bus/usb/" "%03d/%03d", actual_bus, actual_dev)) {
fprintf(stderr, "usbchmod: internal error, buffer overflow\n");
exit(EXIT_FAILURE);
}
if (0 != chmod(devname, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)) {
int old_errno = errno;
fprintf(stderr, "usbchmod: failed to modify access rights on %s\n", devname);
if ((old_errno >= 0) && (old_errno < sys_nerr)) {
fprintf(stderr, " : %s\n", sys_errlist[old_errno]);
}
exit(EXIT_FAILURE);
}
return EXIT_SUCCESS;
}
