/*
 * rw_logging.c
 *
 *  Created on: Jul 29, 2025
 *      Author: cc
 */
#include "includes.h"

/*******************************************************************************
* Function Name  : Log_CheckSum
* Description    : 和校验取反，数据内容从SRAM中读取
*******************************************************************************/
uint8_t Log_CheckSum(uint32_t addr,uint8_t len)
{
    uint8_t data_sum = 0;
    for(uint8_t i = 0;i<len;i++)
    {
        data_sum += SRAM_Read_Byte(addr+i);
    }
    return ~data_sum;
}

/*******************************************************************************
* Function Name  : Data_CheckSum
* Description    : 和校验取反
*******************************************************************************/
uint8_t Data_CheckSum(uint8_t* data,uint16_t len)
{
    uint8_t data_sum = 0;
    for(uint16_t i = 0;i<len;i++)
    {
        data_sum += data[i];
    }
    return ~data_sum;
}

/*******************************************************************************
* Function Name  : Get_Log_Current_Address
* Description    : 获取SRAM中日志当前写入地址
*******************************************************************************/
uint32_t Get_Log_Current_Address(void)
{
    uint32_t rev = 0;
    uint8_t read_buff[4] = {0};

    SRAM_DMA_Read_Buff(read_buff,0x04,SRAM_LOG_WRITE_Address);

    rev = read_buff[3];
    rev <<= 8;
    rev |= read_buff[2];
    rev <<= 8;
    rev |= read_buff[1];
    rev <<= 8;
    rev |= read_buff[0];

    if((rev < SRAM_LOG_DATA_Address) || (rev > SRAM_LOG_End_Address)) rev = SRAM_LOG_DATA_Address;

    return rev;
}

/*******************************************************************************
* Function Name  : Set_Log_Current_Address
* Description    : 设置SRAM中日志当前写入地址
*******************************************************************************/
void Set_Log_Current_Address(uint32_t W_addr)
{
    uint32_t Last_addr = W_addr;
    uint8_t write_buff[4] = {0};

    if((Last_addr < SRAM_LOG_DATA_Address) || (Last_addr > SRAM_LOG_End_Address)) Last_addr = SRAM_LOG_DATA_Address;

    write_buff[0] = (uint8_t)(Last_addr & 0xFF);
    write_buff[1] = (uint8_t)((Last_addr >> 8) & 0xFF);
    write_buff[2] = (uint8_t)((Last_addr >> 16) & 0xFF);
    write_buff[3] = (uint8_t)((Last_addr >> 24) & 0xFF);

    SRAM_DMA_Write_Buff(write_buff,0x04,SRAM_LOG_WRITE_Address);
}

/*******************************************************************************
* Function Name  : SRAM_Get_READ_Log_Address
* Description    : 获取SRAM中当前读日志地址
*******************************************************************************/
uint32_t SRAM_Get_READ_Log_Address(void)
{
    uint32_t rev = 0;
    uint8_t read_buff[4] = {0};

    SRAM_DMA_Read_Buff(read_buff,0x04,SRAM_LOG_READ_Address);

    rev = read_buff[3];
    rev <<= 8;
    rev |= read_buff[2];
    rev <<= 8;
    rev |= read_buff[1];
    rev <<= 8;
    rev |= read_buff[0];

    if((rev < SRAM_LOG_DATA_Address) || (rev > SRAM_LOG_End_Address)) rev = SRAM_LOG_DATA_Address;

    return rev;
}

/*******************************************************************************
* Function Name  : SRAM_Set_READ_LOG_Address
* Description    : 设置SRAM中当前读日志地址
*******************************************************************************/
void SRAM_Set_READ_LOG_Address(uint32_t r_addr)
{
    uint32_t Last_addr = r_addr;
    uint8_t write_buff[4] = {0};

    if((Last_addr < SRAM_LOG_DATA_Address) || (Last_addr > SRAM_LOG_End_Address)) Last_addr = SRAM_LOG_DATA_Address;

    write_buff[0] = (uint8_t)(Last_addr & 0xFF);
    write_buff[1] = (uint8_t)((Last_addr >> 8) & 0xFF);
    write_buff[2] = (uint8_t)((Last_addr >> 16) & 0xFF);
    write_buff[3] = (uint8_t)((Last_addr >> 24) & 0xFF);

    SRAM_DMA_Write_Buff(write_buff,0x04,SRAM_LOG_READ_Address);
}

/*******************************************************************************
* Function Name  : 日志保存功能
* Description    : 日志每一个小时将SRAM中的日志数据进行封装，
    封装就只是加上包头包尾及当前的年月日时，
*******************************************************************************/
uint8_t Log_write_sram(uint8_t data_type,uint8_t *buff,uint16_t len)
{
    uint32_t Last_add = 0;
    uint8_t temp = 0,temp_len = 0,temp_number = 0;
    uint8_t temp_buff[20] = {0};
    uint16_t data_len = len,temp_date = 0,write_len = 0;
    uint32_t Log_Hour_Tick = SysTick_1ms - Log_Time_ms;     //2021-09-23  Log_Time_ms该变量在中断中有进行写操作，防止出错，禁止全局变量在中断与while中同时读写

    Log_Hour_Tick += (uint32_t)HEX_Conversion_To_DEC(RTC_Raw_Data.minute)*60000;
    Log_Hour_Tick += (uint32_t)HEX_Conversion_To_DEC(RTC_Raw_Data.hour)*3600000;

    if(data_len >= Log_Data_Len_MAX)    data_len = Log_Data_Len_MAX;        //限定数据长度
    write_len = S_Log_Data + data_len + 1;

    /*第一步：读取日志写入地址 与 日志编号*/
    SRAM_DMA_Read_Buff(temp_buff,0x0A,SRAM_LOG_WRITE_Address);

    Last_add = temp_buff[3];        //读取日志写入地址
    Last_add <<= 8;
    Last_add |= temp_buff[2];
    Last_add <<= 8;
    Last_add |= temp_buff[1];
    Last_add <<= 8;
    Last_add |= temp_buff[0];

    temp_number = temp_buff[8];     //读取日志编号

    //当前地址是否有效，并且可以将该日志保存
    if((Last_add + write_len) >= SRAM_LOG_End_Address)
    {
        Last_add = SRAM_LOG_DATA_Address;
    }

    /*第二步：按照指定格式保存日志*/
    temp_buff[temp_len++] = LOG_Data_Hand;          //数据头
    temp_buff[temp_len++] = temp_buff[8];           //数据序列号
    temp_buff[temp_len++] = write_len;              //数据长度 2Byte
    temp_buff[temp_len++] = (write_len >> 8) & 0xFF;
    temp_buff[temp_len++] = 0x00;
    temp_date = (HEX_Conversion_To_DEC(RTC_Raw_Data.year) << 10) + (HEX_Conversion_To_DEC(RTC_Raw_Data.month) << 5) + HEX_Conversion_To_DEC(RTC_Raw_Data.day);
    temp_buff[temp_len++] = (temp_date >> 8) & 0xFF;
    temp_buff[temp_len++] = temp_date & 0xFF;
    temp_buff[temp_len++] = data_type;
    temp_buff[temp_len++] = Log_Hour_Tick & 0xFF;
    temp_buff[temp_len++] = (Log_Hour_Tick >> 8) & 0xFF;
    temp_buff[temp_len++] = (Log_Hour_Tick >> 16) & 0xFF;
    temp_buff[temp_len++] = (Log_Hour_Tick >> 24) & 0xFF;

    SRAM_DMA_Write_Buff(temp_buff,S_Log_Data,Last_add);       //数据
    SRAM_DMA_Write_Buff(buff,data_len,Last_add + S_Log_Data);       //数据
    SRAM_Write_Byte(Log_Data_End,Last_add + S_Log_Data + data_len); //数据尾

    /*计算数据校验*/
    temp = Log_CheckSum(Last_add,write_len);
    SRAM_Write_Byte(temp,Last_add + S_Log_Check);               //校验值

    /*第三：刷新日志写入地址 以及日志序号*/
    Last_add = Last_add + write_len;
    Set_Log_Current_Address(Last_add);
    if(temp_number >= 0xFF)
    {
        temp_number = 0x00;
    }else {
        temp_number++;
    }
    SRAM_Write_Byte(temp_number,SRAM_LOG_Serial_Number); //数据尾

    return 0;
}