tec3/IP400
1
0
Fork 0
mirror of https://github.com/adrcs/ip400.git synced 2025-07-05 11:35:43 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

added utils

Browse source
This commit is contained in:
adrcs 2025-01-29 11:17:14 -07:00 • committed by GitHub
parent a9a3f739b4
commit a9b13d2c39
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
85 changed files with 9213 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

52
rpi/stm32flash/utils.c Normal file
View file

@ -0,0 +1,52 @@
/*
stm32flash - Open Source ST STM32 flash program for *nix
Copyright (C) 2010 Geoffrey McRae <geoff@spacevs.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 2
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <stdint.h>
#include "utils.h"
/* detect CPU endian */
char cpu_le() {
const uint32_t cpu_le_test = 0x12345678;
return ((const unsigned char*)&cpu_le_test)[0] == 0x78;
}
uint32_t be_u32(const uint32_t v) {
if (cpu_le())
return ((v & 0xFF000000) >> 24) |
((v & 0x00FF0000) >> 8) |
((v & 0x0000FF00) << 8) |
((v & 0x000000FF) << 24);
return v;
}
uint32_t le_u32(const uint32_t v) {
if (!cpu_le())
return ((v & 0xFF000000) >> 24) |
((v & 0x00FF0000) >> 8) |
((v & 0x0000FF00) << 8) |
((v & 0x000000FF) << 24);
return v;
}
void printStatus(FILE *fd, int condition){
if(condition)
fprintf(fd, "Error!\n");
else
fprintf(fd, "OK\n");
}