tridentiot-sdk-docs/v2026.03.xx/tr__printf_8h_source.html

#ifndef TR_PRINTF_H

#define TR_PRINTF_H


#include <stdio.h>

#include <stdint.h>

#include <stdbool.h>

#include <string.h>

#include <stdarg.h>


#ifndef PRINTF_FLOAT_ENABLE

#define PRINTF_FLOAT_ENABLE 1

#endif


typedef void (*putchar_cb)(char ch);


typedef void (*putstr_cb)(const char *str,

                          int        len);


void tr_printf_init(putchar_cb putc,

                    putstr_cb  puts);


void tr_vsprintf(char          *buf,

                 int           maxlen,

                 const char    *fmt,

                 const va_list args);


void tr_printf(const char *fmt,

               ...);


#endif // TR_PRINTF_H

tr_printf
void tr_printf(const char *fmt,...)
Writes the passed in C string to the standard output (stdout).

putchar_cb
void(* putchar_cb)(char ch)
Function pointer definition for put char callback.
Definition tr_printf.h:41

putstr_cb
void(* putstr_cb)(const char *str, int len)
Function pointer definition for put string callback.
Definition tr_printf.h:47

tr_vsprintf
void tr_vsprintf(char *buf, int maxlen, const char *fmt, const va_list args)
Write formated data from variable argument list to string.

tr_printf_init
void tr_printf_init(putchar_cb putc, putstr_cb puts)
Initializes the printf utility.