224 lines
4.3 KiB
C
224 lines
4.3 KiB
C
![]() |
/*
|
||
|
* uuidutil.c
|
||
|
*
|
||
|
* DSP-BIOS Bridge driver support functions for TI OMAP processors.
|
||
|
*
|
||
|
* This file contains the implementation of UUID helper functions.
|
||
|
*
|
||
|
* Copyright (C) 2005-2006 Texas Instruments, Inc.
|
||
|
*
|
||
|
* This package is free software; you can redistribute it and/or modify
|
||
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
* published by the Free Software Foundation.
|
||
|
*
|
||
|
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
||
|
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
||
|
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
||
|
*/
|
||
|
|
||
|
/* ----------------------------------- Host OS */
|
||
|
#include <dspbridge/host_os.h>
|
||
|
|
||
|
/* ----------------------------------- DSP/BIOS Bridge */
|
||
|
#include <dspbridge/std.h>
|
||
|
#include <dspbridge/dbdefs.h>
|
||
|
|
||
|
/* ----------------------------------- Trace & Debug */
|
||
|
#include <dspbridge/dbc.h>
|
||
|
|
||
|
/* ----------------------------------- This */
|
||
|
#include <dspbridge/uuidutil.h>
|
||
|
|
||
|
/*
|
||
|
* ======== uuid_uuid_to_string ========
|
||
|
* Purpose:
|
||
|
* Converts a struct dsp_uuid to a string.
|
||
|
* Note: snprintf format specifier is:
|
||
|
* %[flags] [width] [.precision] [{h | l | I64 | L}]type
|
||
|
*/
|
||
|
void uuid_uuid_to_string(IN struct dsp_uuid *uuid_obj, OUT char *pszUuid,
|
||
|
IN s32 size)
|
||
|
{
|
||
|
s32 i; /* return result from snprintf. */
|
||
|
|
||
|
DBC_REQUIRE(uuid_obj && pszUuid);
|
||
|
|
||
|
i = snprintf(pszUuid, size,
|
||
|
"%.8X_%.4X_%.4X_%.2X%.2X_%.2X%.2X%.2X%.2X%.2X%.2X",
|
||
|
uuid_obj->ul_data1, uuid_obj->us_data2, uuid_obj->us_data3,
|
||
|
uuid_obj->uc_data4, uuid_obj->uc_data5,
|
||
|
uuid_obj->uc_data6[0], uuid_obj->uc_data6[1],
|
||
|
uuid_obj->uc_data6[2], uuid_obj->uc_data6[3],
|
||
|
uuid_obj->uc_data6[4], uuid_obj->uc_data6[5]);
|
||
|
|
||
|
DBC_ENSURE(i != -1);
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* ======== htoi ========
|
||
|
* Purpose:
|
||
|
* Converts a hex value to a decimal integer.
|
||
|
*/
|
||
|
|
||
|
static int htoi(char c)
|
||
|
{
|
||
|
switch (c) {
|
||
|
case '0':
|
||
|
return 0;
|
||
|
case '1':
|
||
|
return 1;
|
||
|
case '2':
|
||
|
return 2;
|
||
|
case '3':
|
||
|
return 3;
|
||
|
case '4':
|
||
|
return 4;
|
||
|
case '5':
|
||
|
return 5;
|
||
|
case '6':
|
||
|
return 6;
|
||
|
case '7':
|
||
|
return 7;
|
||
|
case '8':
|
||
|
return 8;
|
||
|
case '9':
|
||
|
return 9;
|
||
|
case 'A':
|
||
|
return 10;
|
||
|
case 'B':
|
||
|
return 11;
|
||
|
case 'C':
|
||
|
return 12;
|
||
|
case 'D':
|
||
|
return 13;
|
||
|
case 'E':
|
||
|
return 14;
|
||
|
case 'F':
|
||
|
return 15;
|
||
|
case 'a':
|
||
|
return 10;
|
||
|
case 'b':
|
||
|
return 11;
|
||
|
case 'c':
|
||
|
return 12;
|
||
|
case 'd':
|
||
|
return 13;
|
||
|
case 'e':
|
||
|
return 14;
|
||
|
case 'f':
|
||
|
return 15;
|
||
|
}
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* ======== uuid_uuid_from_string ========
|
||
|
* Purpose:
|
||
|
* Converts a string to a struct dsp_uuid.
|
||
|
*/
|
||
|
void uuid_uuid_from_string(IN char *pszUuid, OUT struct dsp_uuid *uuid_obj)
|
||
|
{
|
||
|
char c;
|
||
|
s32 i, j;
|
||
|
s32 result;
|
||
|
char *temp = pszUuid;
|
||
|
|
||
|
result = 0;
|
||
|
for (i = 0; i < 8; i++) {
|
||
|
/* Get first character in string */
|
||
|
c = *temp;
|
||
|
|
||
|
/* Increase the results by new value */
|
||
|
result *= 16;
|
||
|
result += htoi(c);
|
||
|
|
||
|
/* Go to next character in string */
|
||
|
temp++;
|
||
|
}
|
||
|
uuid_obj->ul_data1 = result;
|
||
|
|
||
|
/* Step over underscore */
|
||
|
temp++;
|
||
|
|
||
|
result = 0;
|
||
|
for (i = 0; i < 4; i++) {
|
||
|
/* Get first character in string */
|
||
|
c = *temp;
|
||
|
|
||
|
/* Increase the results by new value */
|
||
|
result *= 16;
|
||
|
result += htoi(c);
|
||
|
|
||
|
/* Go to next character in string */
|
||
|
temp++;
|
||
|
}
|
||
|
uuid_obj->us_data2 = (u16) result;
|
||
|
|
||
|
/* Step over underscore */
|
||
|
temp++;
|
||
|
|
||
|
result = 0;
|
||
|
for (i = 0; i < 4; i++) {
|
||
|
/* Get first character in string */
|
||
|
c = *temp;
|
||
|
|
||
|
/* Increase the results by new value */
|
||
|
result *= 16;
|
||
|
result += htoi(c);
|
||
|
|
||
|
/* Go to next character in string */
|
||
|
temp++;
|
||
|
}
|
||
|
uuid_obj->us_data3 = (u16) result;
|
||
|
|
||
|
/* Step over underscore */
|
||
|
temp++;
|
||
|
|
||
|
result = 0;
|
||
|
for (i = 0; i < 2; i++) {
|
||
|
/* Get first character in string */
|
||
|
c = *temp;
|
||
|
|
||
|
/* Increase the results by new value */
|
||
|
result *= 16;
|
||
|
result += htoi(c);
|
||
|
|
||
|
/* Go to next character in string */
|
||
|
temp++;
|
||
|
}
|
||
|
uuid_obj->uc_data4 = (u8) result;
|
||
|
|
||
|
result = 0;
|
||
|
for (i = 0; i < 2; i++) {
|
||
|
/* Get first character in string */
|
||
|
c = *temp;
|
||
|
|
||
|
/* Increase the results by new value */
|
||
|
result *= 16;
|
||
|
result += htoi(c);
|
||
|
|
||
|
/* Go to next character in string */
|
||
|
temp++;
|
||
|
}
|
||
|
uuid_obj->uc_data5 = (u8) result;
|
||
|
|
||
|
/* Step over underscore */
|
||
|
temp++;
|
||
|
|
||
|
for (j = 0; j < 6; j++) {
|
||
|
result = 0;
|
||
|
for (i = 0; i < 2; i++) {
|
||
|
/* Get first character in string */
|
||
|
c = *temp;
|
||
|
|
||
|
/* Increase the results by new value */
|
||
|
result *= 16;
|
||
|
result += htoi(c);
|
||
|
|
||
|
/* Go to next character in string */
|
||
|
temp++;
|
||
|
}
|
||
|
uuid_obj->uc_data6[j] = (u8) result;
|
||
|
}
|
||
|
}
|