mac-rom-simm-programmer/hal/m258ke/hardware.h
2023-06-25 11:41:19 -07:00

71 lines
1.6 KiB
C

/*
* hardware.h
*
* Created on: Jun 19, 2023
* Author: Doug
*
* Copyright (C) 2011-2023 Doug Brown
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*
*/
#ifndef HAL_M258KE_HARDWARE_H_
#define HAL_M258KE_HARDWARE_H_
#include <stdint.h>
#include <stdbool.h>
#include "nuvoton/NuMicro.h"
/** Disables interrupts
*
*/
static inline void DisableInterrupts(void)
{
__disable_irq();
}
/** Enables interrupts
*
*/
static inline void EnableInterrupts(void)
{
__enable_irq();
}
/** Blocks for the specified number of microseconds
*
* @param us The number of microseconds to wait
*/
static inline void DelayUS(uint32_t us)
{
const uint32_t startTime = TIMER0->CNT & 0xFFFFFFUL;
uint32_t nowTime;
do
{
nowTime = TIMER0->CNT & 0xFFFFFFUL;
} while (((nowTime - startTime) & 0xFFFFFFUL) < us);
}
/** Blocks for the specified number of milliseconds
*
* @param ms The number of milliseconds to wait
*/
static inline void DelayMS(uint32_t ms)
{
DelayUS(ms * 1000UL);
}
#endif /* HAL_M258KE_HARDWARE_H_ */