BSL 00000028

Source Code

• Constants for components　　　Constants to match the component
• Constants for MPU 　　　　　　 Constants to match the microcontroller of the product
• Constants for circuits 　　　　　Constants to match the circuit of the product

// BCL No.00000028

// Interger constant
#define iInt_const              256U                    // Interger constant

// Filter definitions
#define iWMA_num                4U                      // Weighted moving average number

// MPU definitions
#define iADC_bit                16U                     // MPU ADC bit
                                                         // CAUTION : When Mbed is selected, 16 bit is fixed
#define iPIN_adc                A0                      // MPU Port Pin (ADC)

// P-CMP ( Sysyem Parts , Circuit , IC ) definitions
// Model type System Parts definitions
#define iData_num               5U                      // Number of characteristic table elements

const sint32 Data_x[iData_num] =                        // X axis for table search : Voltage [mV]
{
         0 , 500 , 1000 , 1500 , 2000                    // X data
};

const sint32 Data_y[iData_num] =                        // Y axis for table search : Physical [unit]
{
         10 , 15 , 30 , 50 , 100                         // Y data
};

// Circuit definitions
#define iADC_vdd                3300U                   // MPU Vdd [mV]
#define iK_tc                   ( 1*iInt_const )        // Circuit Transformation ratio

sint32 Phy_Read( void )
{
         return( pcmp() );
}

static sint32 pcmp( void )
{
         uint16  ai    = mp();           // A/D value read
         uint16  vi    = cp( ai );       // A/D value to Voltage value conversion
         sint32  phy   = sp( vi );       // Voltage value to Physical value
        
         return( phy );
}

static sint32 sp( uint16 vi )
{
         // Voltage value to Physical value conversion
         sint32 wk = lib_s32_Tbl2D( vi , &Tbl );
        
         // Physical value Weighted Moving Average calculation
         wk = lib_s32_WMA( wk , &Phy_WMA );
        
         return( wk );
}

static uint16 cp( uint16 ai )
{
         // A/D value to Voltage value conversion
         uint16 wk = (uint16)mac_UpLmt( (uint32)ai * iK_tc / iInt_const , iUint16_Max );
        
         return( wk );
}

static uint16 mp( void )
{
         uint16 wk;
        
         // Read A/D convension value
         uint8 sts = adc_read_u16_wrapper( an , &wk );
        
         return( wk );
}