util.h

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/*
 * Copyright (c) 2022 Adrian "asie" Siekierka
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */
 
#ifndef LIBWS_UTIL_H_
#define LIBWS_UTIL_H_
 
#include <wonderful.h>



#define WS_HZ_TO_DIVIDER(hz, clock_hz) (((clock_hz) + ((((hz) + 1)) >> 1)) / (hz))
 
#ifndef __ASSEMBLER__
 
#include <stdint.h>

void ws_portcpy(uint16_t port, const void __far *src, uint16_t count);

__attribute__((no_assume_ds_data, no_assume_ss_data))
void ws_delay_us(uint16_t us);

__attribute__((no_assume_ds_data, no_assume_ss_data))
void ws_delay_ms(uint16_t ms);
 
#endif

 
#endif /* LIBWS_UTIL_H_ */