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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 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_STMHAL_PYBTHREAD_H
#define MICROPY_INCLUDED_STMHAL_PYBTHREAD_H
typedef struct _pyb_thread_t {
void *sp;
uint32_t local_state;
void *arg; // thread Python args, a GC root pointer
void *stack; // pointer to the stack
size_t stack_len; // number of words in the stack
struct _pyb_thread_t *prev;
struct _pyb_thread_t *next;
} pyb_thread_t;
extern int pyb_thread_enabled;
extern pyb_thread_t *pyb_thread_cur;
void pyb_thread_init(pyb_thread_t *th);
uint32_t pyb_thread_new(pyb_thread_t *th, void *stack, size_t stack_len, void *entry, void *arg);
static inline uint32_t pyb_thread_get_id(void) {
return (uint32_t)pyb_thread_cur;
}
static inline void pyb_thread_set_local(void *value) {
pyb_thread_cur->local_state = (uint32_t)value;
}
static inline void *pyb_thread_get_local(void) {
return (void*)pyb_thread_cur->local_state;
}
static inline void pyb_thread_yield(void) {
SCB->ICSR = SCB_ICSR_PENDSVSET_Msk;
}
#endif // MICROPY_INCLUDED_STMHAL_PYBTHREAD_H
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