cs_DoubleStackCoroutine.h

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/*
 * Author: Crownstone Team
 * Copyright: Crownstone (https://crownstone.rocks)
 * Date: Oct 28, 2020
 * License: LGPLv3+, Apache License 2.0, and/or MIT (triple-licensed)
 */
#pragma once
 
#include <setjmp.h>
 
#define DOUBLE_STACK_COROUTINE_ARGUMENTS_BUFFER_SIZE 8
 
typedef struct {
    jmp_buf coroutineContext;
    jmp_buf bluenetContext;
} coroutine_t;
 
typedef void (*coroutine_function_t)(void*);
 
typedef struct {
    coroutine_t coroutine;
    coroutine_function_t coroutineFunction;
    uint8_t coroutineArgumentBuffer[DOUBLE_STACK_COROUTINE_ARGUMENTS_BUFFER_SIZE];
    void* oldStackPointer;
} stack_params_t;
 
int initCoroutine(coroutine_function_t coroutineFunction, void* argument, uint8_t argumentSize, const uintptr_t ramEnd);
 
void yieldCoroutine();
 
int resumeCoroutine();
 
uint8_t* getCoroutineArgumentBuffer();