common/log.c

/******************************************************************************
 * @file     log.c
 *
 * @brief    for TLSR chips
 *
 * @author   public@telink-semi.com;
 * @date     Sep. 30, 2010
 *
 * @attention
 *
 *  Copyright (C) 2019-2020 Telink Semiconductor (Shanghai) Co., Ltd.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *****************************************************************************/

#include "../tl_common.h"
#include "log.h"
#include "drivers.h"


#ifndef __LOG_RT_ENABLE__
#define __LOG_RT_ENABLE__        0
#endif


#if (__LOG_RT_ENABLE__)

#ifndef WIN32
// the printf will mess the realtime log
// the realtime log use usb printer endpoint
//STATIC_ASSERT((!__DEBUG_PRINT__) && (USB_PRINTER_ENABLE));
#endif

#ifdef WIN32
#include <stdio.h>
#include <io.h>
FILE *hFile = 0;
#endif

/*
    ID == -1 is invalid
    if you want to shut down logging a specified id,  assigne -1 to it
*/
#if LOG_IN_RAM
_attribute_ram_code_
#endif
static void log_write(int id, int type, u32 dat){
    if(-1 == id) return;
    u8 r = irq_disable();
    reg_usb_ep8_dat = (dat & 0xff);
    reg_usb_ep8_dat = ((dat >> 8) & 0xff);
    reg_usb_ep8_dat = ((dat >> 16)& 0xff);
    reg_usb_ep8_dat = (type)|(id);
    irq_restore(r);

#ifdef WIN32        // write to file directly
    if(!hFile){        // file not open yet
        foreach(i, 10){
            char fn[20];
            sprintf(fn, "vcd_%d.log", i);
            if(access(fn, 0)){        // file not exist
                hFile = fopen(fn, "w");
                assert(hFile);
                if(!hFile){
                    while(1);
                }
                break;
            }
        }
        if(!hFile){
            hFile = fopen("vcd_0.log", "w");
        }
    }
    if(hFile){
        char temp[4];
        temp[0] = (dat & 0xff);
        temp[1] = ((dat >> 8) & 0xff);
        temp[2] = ((dat >> 16)& 0xff);
        temp[3] = (type)|(id);
        fwrite(&temp[0], 1, 4, hFile);
    }
#endif
}

#if LOG_IN_RAM
_attribute_ram_code_
#endif
void log_task_begin(int id){
    log_write(id,LOG_MASK_BEGIN,clock_time());
}


#if LOG_IN_RAM
_attribute_ram_code_
#endif
void log_task_end(int id){
    log_write(id,LOG_MASK_END,clock_time());
}


#if LOG_IN_RAM
_attribute_ram_code_
#endif
void log_event(int id){
    log_write(id,LOG_MASK_TGL,clock_time());
}


#if LOG_IN_RAM
_attribute_ram_code_
#endif
void log_data(int id, u32 dat){
    log_write(id,LOG_MASK_DAT,dat);
}

#endif