mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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112 lines
2.3 KiB
C++
112 lines
2.3 KiB
C++
///*++
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//
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//Copyright (c) 2005 - 2007, Intel Corporation
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//All rights reserved. This program and the accompanying materials
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//are licensed and made available under the terms and conditions of the BSD License
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//which accompanies this distribution. The full text of the license may be found at
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//http://opensource.org/licenses/bsd-license.php
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//
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//THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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//WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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//
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//Module Name:
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//
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// IO.c
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//
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//Abstract:
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//
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// the IO library function
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//
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//Revision History
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//
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//--*/
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//
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#include "Platform.h"
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//
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//VOID LowCase (IN OUT CHAR8 *Str)
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//{
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// while (*Str) {
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// if (IS_UPPER(*Str)) {
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// *Str |= 0x20;
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// }
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// Str++;
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// }
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//}
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UINT8 hexstrtouint8 (const CHAR8* buf)
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{
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INT8 i = 0;
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if (IS_DIGIT(buf[0]))
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i = buf[0]-'0';
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else if (IS_HEX(buf[0]))
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i = (buf[0] | 0x20) - 'a' + 10;
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if (AsciiStrLen(buf) == 1) {
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return i;
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}
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i <<= 4;
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if (IS_DIGIT(buf[1]))
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i += buf[1]-'0';
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else if (IS_HEX(buf[1]))
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i += (buf[1] | 0x20) - 'a' + 10;
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return i;
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}
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BOOLEAN IsHexDigit (CHAR8 c) {
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return (IS_DIGIT(c) || (IS_HEX(c)))?TRUE:FALSE;
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}
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//out value is a number of byte. out = len
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UINT32 hex2bin(IN const CHAR8 *hex, OUT UINT8 *bin, UINT32 len) //assume len = number of UINT8 values
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{
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CHAR8 *p;
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UINT32 i, outlen = 0;
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CHAR8 buf[3];
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if (hex == NULL || bin == NULL || len <= 0 || AsciiStrLen(hex) < len * 2) {
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// DBG("[ERROR] bin2hex input error\n"); //this is not error, this is empty value
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return FALSE;
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}
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buf[2] = '\0';
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p = (CHAR8 *) hex;
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for (i = 0; i < len; i++)
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{
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while ((*p == 0x20) || (*p == ',')) {
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p++; //skip spaces and commas
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}
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if (*p == 0) {
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break;
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}
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if (!IsHexDigit(p[0]) || !IsHexDigit(p[1])) {
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MsgLog("[ERROR] bin2hex '%s' syntax error\n", hex);
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return 0;
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}
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buf[0] = *p++;
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buf[1] = *p++;
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bin[i] = hexstrtouint8(buf);
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outlen++;
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}
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//bin[outlen] = 0;
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return outlen;
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}
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XString8 Bytes2HexStr(UINT8 *data, UINTN len)
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{
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UINTN i, j, b = 0;
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XString8 result;
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result.dataSized(len*2+1);
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for (i = j = 0; i < len; i++) {
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b = data[i] >> 4;
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result += (CHAR8) (87 + b + (((b - 10) >> 31) & -39));
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b = data[i] & 0xf;
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result += (CHAR8) (87 + b + (((b - 10) >> 31) & -39));
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}
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return result;
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}
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