106 lines
2.4 KiB
C
106 lines
2.4 KiB
C
/**
|
|
* @file lv_log.c
|
|
*
|
|
*/
|
|
|
|
/*********************
|
|
* INCLUDES
|
|
*********************/
|
|
#include "lv_log.h"
|
|
#if LV_USE_LOG
|
|
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include "lv_printf.h"
|
|
|
|
#if LV_LOG_PRINTF
|
|
#include <stdio.h>
|
|
#endif
|
|
|
|
/*********************
|
|
* DEFINES
|
|
*********************/
|
|
|
|
/**********************
|
|
* TYPEDEFS
|
|
**********************/
|
|
|
|
/**********************
|
|
* STATIC PROTOTYPES
|
|
**********************/
|
|
|
|
/**********************
|
|
* STATIC VARIABLES
|
|
**********************/
|
|
static lv_log_print_g_cb_t custom_print_cb;
|
|
|
|
/**********************
|
|
* MACROS
|
|
**********************/
|
|
|
|
/**********************
|
|
* GLOBAL FUNCTIONS
|
|
**********************/
|
|
|
|
/**
|
|
* Register custom print/write function to call when a log is added.
|
|
* It can format its "File path", "Line number" and "Description" as required
|
|
* and send the formatted log message to a console or serial port.
|
|
* @param print_cb a function pointer to print a log
|
|
*/
|
|
void lv_log_register_print_cb(lv_log_print_g_cb_t print_cb)
|
|
{
|
|
custom_print_cb = print_cb;
|
|
}
|
|
|
|
/**
|
|
* Add a log
|
|
* @param level the level of log. (From `lv_log_level_t` enum)
|
|
* @param file name of the file when the log added
|
|
* @param line line number in the source code where the log added
|
|
* @param func name of the function when the log added
|
|
* @param format printf-like format string
|
|
* @param ... parameters for `format`
|
|
*/
|
|
void _lv_log_add(lv_log_level_t level, const char *file, int line, const char *func, const char *format, ...)
|
|
{
|
|
if (level >= _LV_LOG_LEVEL_NUM) {
|
|
return; /*Invalid level*/
|
|
}
|
|
|
|
if (level >= LV_LOG_LEVEL) {
|
|
va_list args;
|
|
va_start(args, format);
|
|
char buf[256];
|
|
lv_vsnprintf(buf, sizeof(buf), format, args);
|
|
va_end(args);
|
|
|
|
#if LV_LOG_PRINTF
|
|
/*Use only the file name not the path*/
|
|
size_t p;
|
|
|
|
for (p = strlen(file); p > 0; p--) {
|
|
if (file[p] == '/' || file[p] == '\\') {
|
|
p++; /*Skip the slash*/
|
|
break;
|
|
}
|
|
}
|
|
|
|
static const char *lvl_prefix[] = { "Trace", "Info", "Warn", "Error", "User" };
|
|
printf("%s: %s \t(%s #%d %s())\n", lvl_prefix[level], buf, &file[p], line, func);
|
|
#else
|
|
|
|
if (custom_print_cb) {
|
|
custom_print_cb(level, file, line, func, buf);
|
|
}
|
|
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/**********************
|
|
* STATIC FUNCTIONS
|
|
**********************/
|
|
|
|
#endif /*LV_USE_LOG*/
|