mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-23 07:58:09 +00:00
57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
// clang-format off
|
|
|
|
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2013, 2014 Damien P. George
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
#ifndef MICROPY_INCLUDED_STM32_SYSTICK_H
|
|
#define MICROPY_INCLUDED_STM32_SYSTICK_H
|
|
|
|
#include <stdint.h>
|
|
#include <stddef.h>
|
|
|
|
// Works for x between 0 and 16 inclusive
|
|
#define POW2_CEIL(x) ((((x) - 1) | ((x) - 1) >> 1 | ((x) - 1) >> 2 | ((x) - 1) >> 3) + 1)
|
|
|
|
enum {
|
|
SYSTICK_DISPATCH_DMA = 0,
|
|
SYSTICK_DISPATCH_MAX
|
|
};
|
|
|
|
#define SYSTICK_DISPATCH_NUM_SLOTS POW2_CEIL(SYSTICK_DISPATCH_MAX)
|
|
|
|
typedef void (*systick_dispatch_t)(uint32_t);
|
|
|
|
extern systick_dispatch_t systick_dispatch_table[SYSTICK_DISPATCH_NUM_SLOTS];
|
|
|
|
static inline void systick_enable_dispatch(size_t slot, systick_dispatch_t f) {
|
|
systick_dispatch_table[slot] = f;
|
|
}
|
|
|
|
static inline void systick_disable_dispatch(size_t slot) {
|
|
systick_dispatch_table[slot] = NULL;
|
|
}
|
|
|
|
#endif // MICROPY_INCLUDED_STM32_SYSTICK_H
|