#include <at32f403a_407_clock.h>
#include <SystemDelayInterface.h>
#include <stdio.h>
#include "cmsis_os.h"
#include "CmsisRtosThreadUtils.h"
#include "delay_sec.h"

#define EXTEND_SRAM 0xFE

/**
  * @brief  to extend sram size
  * @param  none
  * @retval none
  */
void extend_sram(void) {
    /* check if ram has been set to expectant size, if not, change eopb0 */
    if (((USD->eopb0) & 0xFF) != EXTEND_SRAM) {
        flash_unlock();
        /* erase user system data bytes */
        flash_user_system_data_erase();

        /* change sram size */
        flash_user_system_data_program((uint32_t) &USD->eopb0, EXTEND_SRAM);
        /* system reset */
        nvic_system_reset();
    }
}


int main(void) {
    system_clock_config();
    delay_init();
    osKernelInitialize();

    osKernelStart();

    while (1) {
        asm("nop");
    }
}