c常用几个调试使用的宏定义 c常用几个调试使用的宏定义 c常用几个调试使用的宏定义 c常用几个调试使用的宏定义 makefile 打印 c语言全局变量不能定义在.h中,需要定义在.c中,再 extern 到.h中并且.h不能赋值

T507 UBOOT 打印

tick_printf("func:%s \t line:%d\n", __func__,__LINE__);

tick_printf("func:%s \t line:%d \tval:%d\n", __func__,__LINE__,val);

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include <unistd.h>

#include <time.h>

#include <sys/time.h>

#define mydebugAddr(msg) printf("%s: %s:line %d %s:%p\n", __FILE__, __func__, __LINE__,#msg,msg);

#define mydebugGetUs {struct timeval tv_start; gettimeofday(&tv_start, NULL); uint64_t start_ms = (tv_start.tv_sec * 1000000 + tv_start.tv_usec);start_ms;}

/* return a+b 带返回值的宏定义 */
#define A_PLUS_B_MACRO(a, b) ({int ret; ret = (a) + (b); ret;})
#define A_PLUS_B_MACRO2(a, b) ({int ret; ret = add((a), (b)); ret;})

内核打印

printk(" %s \t %d\n",__func__,__LINE__);

printk(" %s \t %d \t val:%d\n",__func__,__LINE__,period_ns);

#define mydebug printf("[%s %s] %s: %s: %d\n", __DATE__, __TIME__, __FILE__, __func__, __LINE__);

#define mydebugMsg(msg) printf("[%s %s] %s: %s: %d msg:%s\n", __DATE__, __TIME__, __FILE__, __func__, __LINE__,msg);

#define mydebugNum(msg) printf("[%s %s] %s: %s: %d num:%d\n", __DATE__, __TIME__, __FILE__, __func__, __LINE__,msg);

#define mydebugHex(buf,len) do {\

unsigned char* __buf_ptr = (unsigned char*) (buf); \

printf("[%s %s] %s: %s: %d %s: ", __DATE__, __TIME__, __FILE__, __func__, __LINE__, #buf); \

for( int i = 0; i < (len); i ++){ \

printf("%02X ", __buf_ptr[i]); \

} \

printf("\n"); \

} while(0);

//static uint64_t start_ms_mydebugCalusStart__inner_used=0;

#define getustimestampCalusCurrent() ({ struct timeval tv_start; gettimeofday(&tv_start, NULL); (tv_start.tv_sec * 1000000 + tv_start.tv_usec); })

#define mydebugCalusStart static uint64_t start_ms_mydebugCalusStart__inner_used = getustimestampCalusCurrent();

#define mydebugCalusUpdate(msg) {start_ms_mydebugCalusStart__inner_used = getustimestampCalusCurrent()-start_ms_mydebugCalusStart__inner_used; printf("%s: %s: %d \t us:[%ld] %s:%s\n", __FILE__, __func__, __LINE__,start_ms_mydebugCalusStart__inner_used,#msg,msg);}

#define mydebugCalusEnd(msg) {uint64_t start_ms_mydebugCalusEnd = getustimestampCalusCurrent()-start_ms_mydebugCalusStart__inner_used; printf("%s: %s: %d \t us:[%ld] %s:%s\n", __FILE__, __func__, __LINE__,start_ms_mydebugCalusEnd,#msg,msg);}

#define mydebugUs do{struct timeval tv_start; gettimeofday(&tv_start, NULL); uint64_t start_ms = (tv_start.tv_sec * 1000000 + tv_start.tv_usec);printf("[%ld] %s: %s: %d\n", start_ms, __FILE__, __func__, __LINE__);} while(0);

//mydebugUs 显示一次大概需要50微秒(1Ghz的板子测试结果)

#define HexStrToArray(data,_datalen,outbuf) { unsigned char _tem; char __t; for(int i=0;i<_datalen;i+=2){ \

__t = *(data+i); if(__t>=0x30 && __t<=0x39){_tem=(__t-0x30)<<4;} else if(__t>=0x41 && __t<=0x46){_tem=(__t-55)<<4;} else if(__t>=0x61 && __t<=0x66){_tem=(__t-87)<<4;} else {break;} \

__t = *(data+i+1); if(__t>=0x30 && __t<=0x39){_tem+=__t-0x30;} else if(__t>=0x41 && __t<=0x46){_tem+=__t-55;} else if(__t>=0x61 && __t<=0x66){_tem+=__t-87;} else {break;} \

*(outbuf+i/2)=_tem; } }

#define ArrayToHexStr(data,_datalen,outbuf) { char hex_lookup[16] = { '0', '1', '2', '3', '4', '5', '6', '7','8','9', 'A', 'B', 'C', 'D', 'E', 'F' }; for(int i=0;i<_datalen;i++){ outbuf[2*i]=hex_lookup[data[i]>>4]; outbuf[2*i+1]=hex_lookup[data[i]&0x0F]; } }

c的debug打印

#define mydebugfmt(fmt, args...) printf("__line:%d \t__func:%s \t__file:%s \t", __LINE__, __func__, __FILE__);printf(fmt, ##args);

makefile打印

$(info __debuginfo__ $(CSRCS))

c语言全局变量不能定义在.h中,需要定义在.c中,再 extern 到.h中并且.h不能赋值