Data_EngineSpeed.c

#include "Data_EngineSpeed.h"
#include "CAN_Communication_Matrix.h"
#include "GaugesInterface.h"
#include "RTE_PWM_OUT.h"
//-------------------------------------------
//转速数据处理
//-------------------------------------------
//断码显示
//-------------------------------------------
// 342 - 3.2.   行驶记录仪
//-------------------------------------------

static struct
{
    uint16_t Value;
    uint16_t Valid;
    uint8_t CurSeg;
} TachoVariable;

static uint8_t CalTacho_CurSeg(uint8_t Valid, uint16_t Value);
/*-------------------------------------------------------------------------
 * Function Name  : Tacho_KL30_Init
 * Description    : 转速KL30初始化
 * Input          : None
 * Output         : None
 * Return         : None
 * onther         : None
 --------------------------------------------------------------------------*/
void Tacho_KL30_Init(void)
{
    TachoVariable.Value = 0u;
    TachoVariable.Valid = 0u;
    TachoVariable.CurSeg = 0u;
}
void Tacho_KL15_ON_Init(void)
{
    TachoVariable.Value = 0u;
    TachoVariable.Valid = 0u;
    TachoVariable.CurSeg = 0u;
}
void Tacho_KL15_OFF_Init(void)
{
    TachoVariable.Value = 0u;
    TachoVariable.Valid = 0u;
    TachoVariable.CurSeg = 0u;
}
void Tacho_Wakeup_Init(void)
{
    TachoVariable.Value = 0u;
    TachoVariable.Valid = 0u;
    TachoVariable.CurSeg = 0u;
}
void Tacho_Sleep_Init(void)
{
    TachoVariable.Value = 0u;
    TachoVariable.Valid = 0u;
    TachoVariable.CurSeg = 0u;
}
/*-------------------------------------------------------------------------
 * Function Name  : Tacho_Processing_Service
 * Description    : 转速
 * Input          : None
 * Output         : None
 * Return         : None
 * onther         : None
 --------------------------------------------------------------------------*/
void Tacho_Processing_Service(void)
{
    uint16_t Msg_Epm_nEng = 0u;
    uint32_t u32Result = 0u;
    uint16_t Fre = 0u;

    Msg_Epm_nEng = Get_ID_CF00400_Sig_Engine_speed();

    if (Msg_Epm_nEng > 0xFAFFu)
    {
        TachoVariable.Valid = 0u;
        u32Result = 0u;
    }
    else
    {
        TachoVariable.Valid = 1u;

        u32Result = Msg_Epm_nEng;
        u32Result *= 125u;
        u32Result += 500u;
        u32Result /= 1000u;

        if (u32Result < 330u)
        {
            u32Result  = 0u;
        }
        else if (u32Result > 3000u)
        {
            u32Result = 3000u;
        }
    }

    TachoVariable.Value = RevSpeedManage((uint16_t)u32Result);

    TachoVariable.CurSeg = CalTacho_CurSeg(TachoVariable.Valid, TachoVariable.Value);

    //转*每转脉冲数/60=频率

    u32Result *= 4u;
    u32Result /= 60u;

    Fre = (uint16_t)u32Result;

    RTE_PWM_Set_Tacho_Out(Fre, 500u);
}
/*-------------------------------------------------------------------------
 * Function Name  : Tacho_Display
 * Description    : 计算转速当前格
 * Input          : None
 * Output         : None
 * Return         : None
 * onther         : None
 --------------------------------------------------------------------------*/
static uint8_t CalTacho_CurSeg(uint8_t Valid, uint16_t Value)
{
    uint8_t u8Result = 0u;

    if (Valid)
    {
    }
    else
    {
        //范围外/CAN中断
    }
    SetGaugesPara(RevGauges, Value);
    u8Result = GetGaugesCurrentPos(RevGauges);

    return u8Result;
}
/*-------------------------------------------------------------------------
 * Function Name  : Tacho_Get_ActualValue
 * Description    : 1倍转速
 * Input          : None
 * Output         : None
 * Return         : None
 * onther         : None
 --------------------------------------------------------------------------*/
uint16_t Tacho_Get_ActualValue(void)
{
    uint16_t u16Result = 0u;
    u16Result = TachoVariable.Value;
    return u16Result;
}
/*-------------------------------------------------------------------------
 * Function Name  : Tacho_Get_Valid
 * Description    :
 * Input          : None
 * Output         : None
 * Return         : None
 * onther         : None
 --------------------------------------------------------------------------*/
uint8_t Tacho_Get_Valid(void)
{
    uint8_t u8Result = 0u;
    u8Result = TachoVariable.Valid;
    return u8Result;
}
/*-------------------------------------------------------------------------
 * Function Name  : Tacho_Get_CurSeg
 * Description    : 转速当前格
 * Input          : None
 * Output         : None
 * Return         : None
 * onther         : 应用于断码
 --------------------------------------------------------------------------*/
uint8_t Tacho_Get_CurSeg(void)
{
    return TachoVariable.CurSeg;
}