68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
#ifndef LINUXSMARTIE_UTILS_H
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#define LINUXSMARTIE_UTILS_H
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#include <stdint.h>
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#include <sys/types.h>
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#if __STDC_VERSION__ >= 202000L
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#define C_STD "C23"
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#elif __STDC_VERSION__ >= 201710L
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#define C_STD "C17"
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#elif __STDC_VERSION__ >= 201112L
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#define C_STD "C11"
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#elif __STDC_VERSION__ >= 199901L
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#define C_STD "C99"
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#else
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#define C_STD "C89"
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#endif
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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#define MAX(a, b) ((a) > (b) ? (a) : (b))
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#define P_BYTES(bytes, start) pretty_bytes((bytes), (start), (char[16]){0}, 16)
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#define P_NUM(num) pretty_num((num), (char[16]){0}, 16)
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typedef enum {
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SENSOR_I16,
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} sensor_type_t;
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typedef struct {
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char path[256];
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int fd;
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void* value;
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uint32_t divider;
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sensor_type_t type;
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} sensor_t;
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int get_instance_lock();
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void timespec_add_ms(struct timespec *ts, uint16_t ms);
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int64_t timespec_diff_us(const struct timespec *a, const struct timespec *b);
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char *pretty_num(double num, char *buf, size_t bufsz);
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char *pretty_bytes(uint64_t bytes, int8_t start_suffix, char *buf, size_t bufsz);
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int get_hwmon_dir(char *path, size_t bufsz);
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ssize_t read_file(const char *dir, const char *file, char *buffer, size_t n);
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void fast_read_num_u64(const char *dir, const char *file, char *buf, uint64_t *result, uint32_t divider);
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void fast_read_num_u16(const char *dir, const char *file, char *buf, uint16_t *result, uint32_t divider);
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void fast_read_num_u8(const char *dir, const char *file, char *buf, uint8_t *result, uint32_t divider);
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void fast_read_num_i16(const char *dir, const char *file, char *buf, int16_t *result, uint32_t divider);
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void fast_read_num_f(const char *dir, const char *file, char *buf, float *result, uint32_t divider);
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void open_sensor(sensor_t* s, const char* dir, const char *file, void* value, uint32_t divider, sensor_type_t type);
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void fast_read_sensor_i16(const sensor_t *s);
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void close_sensor(const sensor_t* s);
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#endif
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