// comment inline
/*This is a multipleline comments
Line 2
Line 3*/
/*Gerardo Marx 
30th June 2026
GPIOs management with dual CPUs
----------------
CPU1: GPIO22 and GPIO97 using bitfield approach
CPU2: GPIO52 using driverlib approach

  |-----------|
  |           |
  |GPIO22     |
  |           |
  |  ----     |
  |GPIO97     |
  |           |
  |GPIO52     |
  |-----------|
*/

// Libraries and includes
#include "F28x_Project.h"
#include "driverlib.h" //???
#include "device.h"


// Variables and definitions

// main
void main(void){
    // 1: Init system
    InitSysCtrl();
    // 2: Configure GPIOs
    EALLOW; //enable GPIO config
    // 2.1 GPIO22
    GpioCtrlRegs.GPAGMUX2.bit.GPIO22 = 0; //pin as gpio
    GpioCtrlRegs.GPADIR.bit.GPIO22 = 1; // configure as output
    GpioCtrlRegs.GPACSEL3.bit.GPIO22 = 0; // cpu1

    // 2.2 GPIO97
    GpioCtrlRegs.GPDGMUX1.bit.GPIO97 = 0; //pin as gpio
    GpioCtrlRegs.GPDDIR.bit.GPIO97 = 1; // configure as output
    GpioCtrlRegs.GPDCSEL1.bit.GPIO97 = 0; //cpu1

    // 2.3 GPIO52
    GpioCtrlRegs.GPBGMUX2.bit.GPIO52 = 0; //pin as gpio
    GpioCtrlRegs.GPBDIR.bit.GPIO52 = 1; // configure as output
    GpioCtrlRegs.GPBCSEL3.bit.GPIO52 = 2; //cpu2

    // 3: Change state of the GPIOs
    GpioDataRegs.GPASET.bit.GPIO22 = 1; // set logical 1
    GpioDataRegs.GPDSET.bit.GPIO97 = 1; // set logical 1
    // 4: Enter into the infinite loop
    
}