kopia lustrzana https://github.com/micropython/micropython
80 wiersze
2.6 KiB
C
80 wiersze
2.6 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2024 NXP
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MP_PORT_MCX_MPHALPORT_H
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#define MP_PORT_MCX_MPHALPORT_H
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void mp_hal_init(void);
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/* UUID*/
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void mp_hal_get_unique_id(uint8_t *uid);
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/* STDIO */
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int mp_hal_stdio_init(void);
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/* Pin */
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#include "hal_pin.h"
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static inline void enable_irq(mp_uint_t state) {
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__set_PRIMASK(state);
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}
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static inline mp_uint_t disable_irq(void) {
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mp_uint_t state = __get_PRIMASK();
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__disable_irq();
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return state;
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}
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static inline uint32_t raise_irq_pri(uint32_t pri) {
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uint32_t basepri = __get_BASEPRI();
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// If non-zero, the processor does not process any exception with a
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// priority value greater than or equal to BASEPRI.
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// When writing to BASEPRI_MAX the write goes to BASEPRI only if either:
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// - Rn is non-zero and the current BASEPRI value is 0
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// - Rn is non-zero and less than the current BASEPRI value
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pri <<= (8 - __NVIC_PRIO_BITS);
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__ASM volatile ("msr basepri_max, %0" : : "r" (pri) : "memory");
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return basepri;
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}
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// "basepri" should be the value returned from raise_irq_pri
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static inline void restore_irq_pri(uint32_t basepri) {
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__set_BASEPRI(basepri);
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}
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#define mp_hal_quiet_timing_enter() raise_irq_pri(1)
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#define mp_hal_quiet_timing_exit(irq_state) restore_irq_pri(irq_state)
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/* Additional delay */
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#define mp_hal_delay_us_fast mp_hal_delay_us
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extern int mp_interrupt_char;
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static inline void mp_hal_set_interrupt_char(char c) {
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mp_interrupt_char = c;
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}
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#endif
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