vexriscv_mem_mapped_example/c_project/main.c

#include <stdbool.h>
#include "hal.h"

typedef struct {
    volatile uint32_t state[4];
    volatile uint32_t status;
} My_Mem;

#define MY_MEM ((My_Mem*)(0xF0030000))

void writeReadState(uint32_t * state)
{
    for(unsigned i = 0; i < 4; i++)
    {
        MY_MEM->state[i] = state[i];
    }
    for(unsigned i = 0; i < 4; i++)
    {
        state[i] = MY_MEM->state[i];
    }
}

void printState(uint32_t * state)
{
    printf("State:\n");
    for(unsigned i = 0; i<4; i++)
    {
        printf("%i\n",state[i]);
    }
}

void printStatus(uint32_t status)
{
    printf("Status: %i\n", status);
}

int main(void)
{
    printf("HELLO WORLD\n");

    uint32_t state[4] = {10000, 65, 4242, 85328};
    uint32_t status = 12;
    // MY_MEM->status = status;

    while (1)
    {
        printState(state);
        writeReadState(state);
        printState(state);

        // status = MY_MEM->status;
        // printStatus(status);

        for(unsigned i = 0; i < 4; i++)
        {
            state[i] = state[i]+1;
        }

    }
    return 0;
}