gardenia/loader/util.c
hydrogenium2020 d4a5b5f87f Feat:Clock:Init!
OSC freq,PLLC,PLLX,PLLU,PLLP,UART clock bring up
2024-01-31 16:40:19 +08:00

28 lines
867 B
C

/*
* Copyright (c) 2024 hydrogenium2020-offical
* Copyright (c) 2018 naehrwert
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#include "t124.h"
#include "timer.h"
#include "types.h"
//1 tick is about 1 us!
void sleep(u32 ticks)
{
u32 start = TIMER0(TIMERUS_CNTR_1US);
while (TIMER0(TIMERUS_CNTR_1US) - start <= ticks)
;
}