zjs_linux_port.h

// Copyright (c) 2016-2017, Intel Corporation.

#ifndef ZJS_LINUX_PORT_H_
#define ZJS_LINUX_PORT_H_

// C includes
#include <stdint.h>
#include <time.h>
#include <unistd.h>

// define Zephyr numeric types we use
typedef int8_t s8_t;
typedef uint8_t u8_t;
typedef int16_t s16_t;
typedef uint16_t u16_t;
typedef int32_t s32_t;
typedef uint32_t u32_t;
typedef int64_t s64_t;
typedef uint64_t u64_t;

// FIXME - reverted patch #1542 to old timer implementation
typedef struct zjs_port_timer {
    u32_t sec;
    u32_t milli;
    u32_t interval;
    void *data;
} zjs_port_timer_t;

#define zjs_port_timer_init(t, cb) do {} while (0)

void zjs_port_timer_start(zjs_port_timer_t *timer, u32_t interval, u32_t repeat);

void zjs_port_timer_stop(zjs_port_timer_t *timer);

u8_t zjs_port_timer_test(zjs_port_timer_t *timer);

u32_t zjs_port_timer_get_uptime(void);

#define ZJS_TICKS_NONE                 0
#define ZJS_TICKS_FOREVER              0
#define CONFIG_SYS_CLOCK_TICKS_PER_SEC 100
#define zjs_sleep usleep

#define SIZE32_OF(x) (sizeof((x)) / sizeof(u32_t))

#define EAGAIN      11
#define EMSGSIZE    12
#define ENOSPC      28

struct zjs_port_ring_buf {
    u32_t head; /**< Index in buf for the head element */
    u32_t tail; /**< Index in buf for the tail element */
    u32_t size; /**< Size of buf in 32-bit chunks */
    u32_t *buf; /**< Memory region for stored entries */
    u32_t mask; /**< Modulo mask if size is a power of 2 */
};

void zjs_port_ring_buf_init(struct zjs_port_ring_buf *buf, u32_t size,
                            u32_t *data);

int zjs_port_ring_buf_get(struct zjs_port_ring_buf *buf, u16_t *type,
                          u8_t *value, u32_t *data, u8_t *size32);

// INTERRUPT SAFE FUNCTION: No JerryScript VM, allocs, or release prints!
int zjs_port_ring_buf_put(struct zjs_port_ring_buf *buf, u16_t type,
                          u8_t value, u32_t *data, u8_t size32);

#define zjs_port_get_thread_id() 0

#endif /* ZJS_LINUX_PORT_H_ */