//###########################################################################
//
// FILE:   Example_RV335_Adc_soc.c
//
// TITLE:   
//
//###########################################################################
// $FDMTEK Release: $
// $Release Date:  $
// $Copyright:
//  (C) Copyright 2023 QingDao Fundamental Microelectronic .Ltd - http://www.fdmtek.com
//###########################################################################

//###########################################################################
//
// FILE:   Example_RV335_Adc_soc.c
//
// TITLE:  ADC Start of Conversion Example
//
//! \addtogroup RV335_example_list
//! <h1> ADC Start of Conversion (adc_soc)</h1>
//!
//! This ADC example uses ePWM1 to generate a periodic ADC SOC on SEQ1.
//! Two channels are converted, ADCINA3 and ADCINA2.
//!
//! \b Watch \b Variables \n
//! - Voltage1[10]	- Last 10 ADCRESULT0 values
//! - Voltage2[10]	- Last 10 ADCRESULT1 values
//! - ConversionCount	- Current result number 0-9
//! - LoopCount		- Idle loop counter
//
//###########################################################################

//
// Included Files
//
#include "../include/RV335_Project.h"     // Device Headerfile and Examples Include File
#include "../include/RV335_SysCtrl.h"
#include "../routines/include/RV335_Device.h"
#include "../routines/include/RV335_Examples.h"
//
// Function Prototypes
//
//#define CPU_FRQ_150MHZ 150  //wuyn

 void adc_isr(void);

//
// Globals
//
Uint16 LoopCount;
Uint16 ConversionCount;
Uint16 Voltage1[10];
Uint16 Voltage2[10];

//
// Main
//
void main(void)
{
    //
    // Step 1. Initialize System Control:
    // PLL, WatchDog, enable Peripheral Clocks
    // This example function is found in the RV335_SysCtrl.c file.
    //
    InitSysCtrl();

    #if (CPU_FRQ_150MHZ)     // Default - 150 MHz SYSCLKOUT
        //
        // HSPCLK = SYSCLKOUT/2*ADC_MODCLK2 = 150/(2*3)   = 25.0 MHz
        //
        #define ADC_MODCLK 0x3
    #endif
    #if (CPU_FRQ_100MHZ)
        //
        // HSPCLK = SYSCLKOUT/2*ADC_MODCLK2 = 100/(2*2)   = 25.0 MHz
        //
        #define ADC_MODCLK 0x2
    #endif

    //
    // Define ADCCLK clock frequency ( less than or equal to 25 MHz )
    // Assuming InitSysCtrl() has set SYSCLKOUT to 150 MHz
    //
    SysCtrlRegs.HISPCP.all = ADC_MODCLK;

    //
    // Step 2. Initialize GPIO:
    // This example function is found in the RV335_Gpio.c file and
    // illustrates how to set the GPIO to it's default state.
    //
    // InitGpio();  // Skipped for this example

    //
    // Step 3. Clear all interrupts and initialize PIE vector table:
    // Disable CPU interrupts
    //
    /*DINT;*/

    //
    // Initialize the PIE control registers to their default state.
    // The default state is all PIE interrupts disabled and flags
    // are cleared.
    // This function is found in the RV335_PieCtrl.c file.
    //
    /*InitPieCtrl();*/

    //
    // Disable CPU interrupts and clear all CPU interrupt flags:
    //
    /*IER = 0x0000;*/
    /*IFR = 0x0000;*/

    //
    // Initialize the PIE vector table with pointers to the shell Interrupt
    // Service Routines (ISR).
    // This will populate the entire table, even if the interrupt
    // is not used in this example.  This is useful for debug purposes.
    // The shell ISR routines are found in RV335_DefaultIsr.c.
    // This function is found in RV335_PieVect.c.
    //
    //InitPieVectTable();   //wuyn

    //
    // Interrupts that are used in this example are re-mapped to
    // ISR functions found within this file.
    //
    init_plic();
        // enable interrupt
        enable_interrupt( GET_INT_NUM(IntVectTable.st.ADCINT));
        // enable trap
        trap_init();
        // config isr
        IntVectTable.st.ADCINT = adc_isr;

    //
    // Step 4. Initialize all the Device Peripherals:
    // This function is found in RV335_InitPeripherals.c
    //
    // InitPeripherals(); // Not required for this example
    InitAdc();  // For this example, init the ADC

    //
    // Step 5. User specific code, enable interrupts:
    //

    //
    // Enable ADCINT in PIE
    //
    /*PieCtrlRegs.PIEIER1.bit.INTx6 = 1;*/
    /*IER |= M_INT1;*/      // Enable CPU Interrupt 1
    /*EINT;*/               // Enable Global interrupt INTM
    ERTM;               // Enable Global realtime interrupt DBGM

    LoopCount = 0;
    ConversionCount = 0;

    //
    // Configure ADC
    //
    AdcRegs.ADCMAXCONV.all = 0x0001;       // Setup 2 conv's on SEQ1
    AdcRegs.ADCCHSELSEQ1.bit.CONV00 = 0x3; // Setup ADCINA3 as 1st SEQ1 conv.
    AdcRegs.ADCCHSELSEQ1.bit.CONV01 = 0x2; // Setup ADCINA2 as 2nd SEQ1 conv.
    
    //
    // Enable SOCA from ePWM to start SEQ1
    //
    AdcRegs.ADCTRL2.bit.EPWM_SOCA_SEQ1 = 1;
    
    AdcRegs.ADCTRL2.bit.INT_ENA_SEQ1 = 1;  // Enable SEQ1 interrupt (every EOS)

    //
    // Assumes ePWM1 clock is already enabled in InitSysCtrl();
    //
    EPwm1Regs.ETSEL.bit.SOCAEN = 1;     // Enable SOC on A group
    EPwm1Regs.ETSEL.bit.SOCASEL = 4;    // Select SOC from from CPMA on upcount
    EPwm1Regs.ETPS.bit.SOCAPRD = 1;     // Generate pulse on 1st event
    EPwm1Regs.CMPA.half.CMPA = 0x0080;	// Set compare A value
    EPwm1Regs.TBPRD = 0xFFFF;           // Set period for ePWM1
    EPwm1Regs.TBCTL.bit.CTRMODE = 0;	// count up and start

    //
    // Wait for ADC interrupt
    //
    for(;;)
    {
        LoopCount++;
    }
}

//
// adc_isr - 
//
 void adc_isr(void) {
    Voltage1[ConversionCount] = AdcRegs.ADCRESULT0 >>4;
    Voltage2[ConversionCount] = AdcRegs.ADCRESULT1 >>4;

    //
    // If 40 conversions have been logged, start over
    //
    if(ConversionCount == 9)
    {
        ConversionCount = 0;
    }
    else
    {
        ConversionCount++;
    }

    //
    // Reinitialize for next ADC sequence
    //
    AdcRegs.ADCTRL2.bit.RST_SEQ1 = 1;         // Reset SEQ1
    AdcRegs.ADCST.bit.INT_SEQ1_CLR = 1;       // Clear INT SEQ1 bit
    /*PieCtrlRegs.PIEACK.all = PIEACK_GROUP1;*/   // Acknowledge interrupt to PIE

    return;
}

//
// End of File
//

