motor_ctl-4/unit_test/test_bikespeed.cpp

#include "gtest/gtest.h"
#include <gtest/gtest.h>
#include <tuple>
#include "test_user.h"
#include "hwsetup.h"
#include "scope.h"

class BikeSpeedTest : public testing::Test
{
protected:
    static void SetUpTestSuite()
    {
        bikespeed_voBikeSpeedInit();
    }
    virtual void SetUp() override
    {

    }
    virtual void TearDown() override
    {

    }
};

class BikeSpeedTest1 : public BikeSpeedTest, public testing::WithParamInterface<int>
{};

TEST_P(BikeSpeedTest1, FreCal)
{
    /* Coef Cal */
    bikespeed_voBikeSpeedCof();
    bikespeed_stFreGetCof.uwNumbersPulses = BIKESPEED_NUMBERS_PULSES;

    int timerPrd = TIM1CLK_KHZ * 1000 / (1000 / 25);  // cnt = 18000, same as STM32
    int timerCnt = 0;
    int bikeSpeedSignal = 0, bikeSpeedCnt = 0, bikeSpeedSignalLast = 0;
    int bikeSpeedPrd = GetParam();
    int capValue = 0; 

    /* BikeSpeed Freq Cal */
    for(int i = 0; i < 100000000; i++)
    {  
        /* Input BikeSpeed Signal */
        bikeSpeedCnt++;
        if(bikeSpeedCnt <= (bikeSpeedPrd/10))   // 10% duty
        {
            bikeSpeedSignal = 0;
        }
        else 
        {
            bikeSpeedSignal = 1;
            if(bikeSpeedCnt >= bikeSpeedPrd)
            {
                bikeSpeedCnt = 0;
            }
        }
        
        /* Timer */
        timerCnt ++ ;
        if(timerCnt >= timerPrd - 1)
        {
            timerCnt = 0;
            testTimerIntFlg[TIMER1][TIMER_INT_FLAG_UP] = 1;
        }

        /* Capture: rising edge trigger*/
        if(bikeSpeedSignal - bikeSpeedSignalLast == 1)    
        {
            testCh3CapValue[TIMER1] = timerCnt;
            testTimerIntFlg[TIMER1][TIMER_INT_FLAG_CH3] = 1;
        }
        bikeSpeedSignalLast = bikeSpeedSignal;

        /* Interrupt: update and capture */       
        if(testTimerIntFlg[TIMER1][TIMER_INT_FLAG_UP])  
        {
            bikespeed_voBikeSpeedCal(1);
            testTimerIntFlg[TIMER1][TIMER_INT_FLAG_UP] = 0;
        }
        else if(testTimerIntFlg[TIMER1][TIMER_INT_FLAG_CH3])
        {
            bikespeed_voBikeSpeedCal(3);
            testTimerIntFlg[TIMER1][TIMER_INT_FLAG_CH3] = 0;
        }      
        //UdpScope::Send(0, bikespeed_stFreGetOut.uwFrequencyPu);       
    }

    double bikeSpeedFreqPu = (double)TIM1CLK_KHZ * 1000 * 1048576 / bikeSpeedPrd / FBASE / bikespeed_stFreGetCof.uwNumbersPulses;  // Q20

    if(bikeSpeedFreqPu > bikespeed_stFreGetCof.uwMaxBikeSpeedFre || bikespeed_stFreGetOut.uwCaputureOverflowCnt > bikespeed_stFreGetOut.uwCaputureOverflowMinCnt)
    {
        EXPECT_NEAR(bikespeed_stFreGetOut.uwFrequencyPu, 0, 0.1);
    }
    else 
    {
        EXPECT_NEAR(bikespeed_stFreGetOut.uwFrequencyPu, bikeSpeedFreqPu, 2);
    }
}

INSTANTIATE_TEST_SUITE_P(DiffBikeSpeedPeriod, BikeSpeedTest1,
                         ::testing::Values(0, 500, 3000, 18002, 100000,1000000));

TEST_F(BikeSpeedTest, FreCal2)
{
    /* Coef Cal */
    bikespeed_voBikeSpeedCof();
    bikespeed_stFreGetCof.uwNumbersPulses = BIKESPEED_NUMBERS_PULSES;

    /* Test conditions */
    bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_WORK;
    bikespeed_stFreGetOut.uwCaputureNumCnt = 1;
    bikespeed_stFreGetOut.uwCaputure1Cnt = 0;
    bikespeed_stFreGetOut.uwCaputureOverflowCnt = 3;

    double overflowCnt = bikespeed_stFreGetOut.uwCaputureOverflowCnt;
    double cap1Cnt = bikespeed_stFreGetOut.uwCaputure1Cnt;

    testTimerIntFlg[TIMER1][TIMER_INT_FLAG_UP] = 1;
    testCh3CapValue[TIMER1] = 17900;
    testTimerIntFlg[TIMER1][TIMER_INT_FLAG_CH3] = 1;

    /* Interrupt: update and capture */       
    if(testTimerIntFlg[TIMER1][TIMER_INT_FLAG_UP])  
    {
        bikespeed_voBikeSpeedCal(1);
        testTimerIntFlg[TIMER1][TIMER_INT_FLAG_UP] = 0;
    }
    else if(testTimerIntFlg[TIMER1][TIMER_INT_FLAG_CH3])
    {
        bikespeed_voBikeSpeedCal(3);
        testTimerIntFlg[TIMER1][TIMER_INT_FLAG_CH3] = 0;
    }        

    double bikeSpeedFreqPu =  overflowCnt * 18000 + bikespeed_stFreGetOut.uwCaputure2Cnt - cap1Cnt;
    bikeSpeedFreqPu = (double)TIM1CLK_KHZ * 1000 * 1048576 / bikeSpeedFreqPu / FBASE / bikespeed_stFreGetCof.uwNumbersPulses;  // Q20

    if(bikeSpeedFreqPu > bikespeed_stFreGetCof.uwMaxBikeSpeedFre || bikespeed_stFreGetOut.uwCaputureOverflowCnt > bikespeed_stFreGetOut.uwCaputureOverflowMinCnt)
    {
        EXPECT_NEAR(bikespeed_stFreGetOut.uwFrequencyPu, 0, 0.1);
    }
    else 
    {
        EXPECT_NEAR(bikespeed_stFreGetOut.uwFrequencyPu, bikeSpeedFreqPu, 2);
    }
}