types.h

/*
 * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef _PICO_TYPES_H
#define _PICO_TYPES_H
 
#ifndef __ASSEMBLER__
 
#include "pico/assert.h"
 
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
 
typedef unsigned int uint;
 
// PICO_CONFIG: PICO_OPAQUE_ABSOLUTE_TIME_T, Enable opaque type for absolute_time_t to help catch inadvertent confusing uint64_t delays with absolute times, default=0, advanced=true, group=pico_base
#ifndef PICO_OPAQUE_ABSOLUTE_TIME_T
#define PICO_OPAQUE_ABSOLUTE_TIME_T 0
#endif

#if PICO_OPAQUE_ABSOLUTE_TIME_T
typedef struct {
    uint64_t _private_us_since_boot;
} absolute_time_t;
#else
typedef uint64_t absolute_time_t;
#endif

static inline uint64_t to_us_since_boot(absolute_time_t t) {
#if PICO_OPAQUE_ABSOLUTE_TIME_T
    return t._private_us_since_boot;
#else
    return t;
#endif
}

static inline void update_us_since_boot(absolute_time_t *t, uint64_t us_since_boot) {
#if PICO_OPAQUE_ABSOLUTE_TIME_T
    assert(us_since_boot <= INT64_MAX);
    t->_private_us_since_boot = us_since_boot;
#else
    *t = us_since_boot;
#endif
}

static inline absolute_time_t from_us_since_boot(uint64_t us_since_boot) {
    absolute_time_t t;
    update_us_since_boot(&t, us_since_boot);
    return t;
}
 
#if !PICO_OPAQUE_ABSOLUTE_TIME_T
#define ABSOLUTE_TIME_INITIALIZED_VAR(name, value) name = value
#else
#define ABSOLUTE_TIME_INITIALIZED_VAR(name, value) name = {value}
#endif
 
// PICO_CONFIG: PICO_INCLUDE_RTC_DATETIME, Whether to include the datetime_t type used with the RP2040 RTC hardware, default=1 on RP2040, group=util_datetime
#ifndef PICO_INCLUDE_RTC_DATETIME
#define PICO_INCLUDE_RTC_DATETIME PICO_RP2040
#endif
 
#if PICO_INCLUDE_RTC_DATETIME
typedef struct {
    int16_t year;    
    int8_t month;    
    int8_t day;      
    int8_t dotw;     
    int8_t hour;     
    int8_t min;      
    int8_t sec;      
} datetime_t;
#endif
 
#define bool_to_bit(x) ((uint)!!(x))
 
#endif
#endif