log.h File Reference

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <types.h>
#include <timer.h>
#include <sys-uart.h>
#include "xformat.h"

Include dependency graph for log.h:

Go to the source code of this file.

Macros
#define	LOG_LEVEL_MUTE   0
#define	LOG_LEVEL_ERROR   1
#define	LOG_LEVEL_WARNING   2
#define	LOG_LEVEL_INFO   3
#define	LOG_LEVEL_DEBUG   4
#define	LOG_LEVEL_TRACE   5
#define	LOG_LEVEL_BACKTRACE   6
#define	LOG_LEVEL_DEFAULT   LOG_LEVEL_INFO
#define	printk_trace(fmt, ...)   ((void) 0)
#define	printk_debug(fmt, ...)   ((void) 0)
#define	printk_info(fmt, ...)   printk(LOG_LEVEL_INFO, fmt, ##__VA_ARGS__)
#define	printk_warning(fmt, ...)   printk(LOG_LEVEL_WARNING, fmt, ##__VA_ARGS__)
#define	printk_error(fmt, ...)   printk(LOG_LEVEL_ERROR, fmt, ##__VA_ARGS__)

Functions
void	set_timer_count ()
	Set timer count.
void	printk (int level, const char *fmt,...)
	Print message to kernel log.
void	uart_printf (const char *fmt,...)
	Print message via UART.
int	printf (const char *fmt,...)
	Print message via UART.
void	dump_hex (uint32_t start_addr, uint32_t count)
	Dumps memory content in hexadecimal format.

Macro Definition Documentation

LOG_LEVEL_BACKTRACE

#define LOG_LEVEL_BACKTRACE   6

LOG_LEVEL_DEBUG

#define LOG_LEVEL_DEBUG   4

LOG_LEVEL_DEFAULT

#define LOG_LEVEL_DEFAULT   LOG_LEVEL_INFO

LOG_LEVEL_ERROR

#define LOG_LEVEL_ERROR   1

LOG_LEVEL_INFO

#define LOG_LEVEL_INFO   3

LOG_LEVEL_MUTE

#define LOG_LEVEL_MUTE   0

LOG_LEVEL_TRACE

#define LOG_LEVEL_TRACE   5

LOG_LEVEL_WARNING

#define LOG_LEVEL_WARNING   2

printk_debug

#define printk_debug	(		fmt,
			...
	)		((void) 0)

printk_error

#define printk_error	(		fmt,
			...
	)		printk(LOG_LEVEL_ERROR, fmt, ##__VA_ARGS__)

printk_info

#define printk_info	(		fmt,
			...
	)		printk(LOG_LEVEL_INFO, fmt, ##__VA_ARGS__)

printk_trace

#define printk_trace	(		fmt,
			...
	)		((void) 0)

printk_warning

#define printk_warning	(		fmt,
			...
	)		printk(LOG_LEVEL_WARNING, fmt, ##__VA_ARGS__)

Function Documentation

dump_hex()

void dump_hex	(	uint32_t	start_addr,
		uint32_t	count
	)

Dumps memory content in hexadecimal format.

This function dumps the content of memory starting from the specified address in hexadecimal format. It prints the hexadecimal values of memory contents and ASCII characters corresponding to printable characters.

Parameters

start_addr	The starting address of the memory region to dump.
count	The number of bytes to dump.

printf()

int printf	(	const char *	fmt,
			...
	)

Print message via UART.

This function is used to print formatted message to the terminal via UART serial port.

Parameters

fmt	Format string describing the format of the message to print.
...	Variable argument list used to fill placeholders in the format string.

Note

This function is typically used in embedded systems for debugging and outputting system status information.

printk()

void printk	(	int	level,
		const char *	fmt,
			...
	)

Print message to kernel log.

This function is used to print the message with specified level to the kernel log.

Parameters

level	Information level, typically used to specify the importance or type of the message.
fmt	Format string describing the format of the message to print.
...	Variable argument list used to fill placeholders in the format string.

Note

This function should be used within the kernel to record important system information or debug messages.

set_timer_count()

void set_timer_count

(

)

Set timer count.

This function is used to set the count value of the timer.

Note

Before calling this function, timer-related hardware configuration should be initialized.

Set timer count.

This function calls the frequency detection routine and initializes the timestamp based on the current time in microseconds.

uart_printf()

void uart_printf	(	const char *	fmt,
			...
	)

Print message via UART.

This function is used to print formatted message to the terminal via UART serial port.

Parameters

fmt	Format string describing the format of the message to print.
...	Variable argument list used to fill placeholders in the format string.

Note

This function is typically used in embedded systems for debugging and outputting system status information.