【AT-START-F437测评】性能强者——雅特力AT32F437试用和性能评测

gpio_init_type gpio_init_struct;



  /* enable the led clock */

  crm_periph_clock_enable(CRM_GPIOE_PERIPH_CLOCK, TRUE);



  /* set default parameter */

  gpio_default_para_init(&gpio_init_struct);



  /* configure the led gpio */

  gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;

  gpio_init_struct.gpio_out_type  = GPIO_OUTPUT_PUSH_PULL;

  gpio_init_struct.gpio_mode = GPIO_MODE_OUTPUT;

  gpio_init_struct.gpio_pins = GPIO_PINS_2;

  gpio_init_struct.gpio_pull = GPIO_PULL_NONE;

  gpio_init(GPIOE, &gpio_init_struct);



  for(;;)

  {

          GPIOE->scr = GPIO_PINS_2;

          GPIOE->clr = GPIO_PINS_2;

  }

        uart_print_init(115200);

        /* enable tmr1 clock */

        crm_periph_clock_enable(CRM_TMR1_PERIPH_CLOCK, TRUE);



        /* tmr1 configuration */

        /* time base configuration */

        tmr_base_init(TMR1, 999, 288 - 1);

        tmr_cnt_dir_set(TMR1, TMR_COUNT_UP);



        /* overflow interrupt enable */

        tmr_interrupt_enable(TMR1, TMR_OVF_INT, TRUE);



        /* tmr1 hall interrupt nvic init */

        nvic_priority_group_config(NVIC_PRIORITY_GROUP_4);

        nvic_irq_enable(TMR1_OVF_TMR10_IRQn, 1, 0);



        /* enable tmr1 */

        tmr_counter_enable(TMR1, TRUE);

    volatile uint32_t uwTick = 0;



    uint32_t HAL_GetTick(){

        return uwTick;

    }



    /**

    * <a href="home.php?mod=space&uid=247401" target="_blank">@brief</a>  this function handles timer1 overflow handler.

    * @param  none

    * @retval none

    */

    void TMR1_OVF_TMR10_IRQHandler(void) {

        if (tmr_flag_get(TMR1, TMR_OVF_FLAG) == SET) {

            uwTick++;

            tmr_flag_clear(TMR1, TMR_OVF_FLAG);

        }

    }

/* Function : start_time

        This function will be called right before starting the timed portion of the benchmark.



        Implementation may be capturing a system timer (as implemented in the example code) 

        or zeroing some system parameters - e.g. setting the cpu clocks cycles to 0.

*/

void start_time(void) {

        Tick = HAL_GetTick();

}

/* Function : stop_time

        This function will be called right after ending the timed portion of the benchmark.



        Implementation may be capturing a system timer (as implemented in the example code) 

        or other system parameters - e.g. reading the current value of cpu cycles counter.

*/

void stop_time(void) {

}

/* Function : get_time

        Return an abstract "ticks" number that signifies time on the system.

        

        Actual value returned may be cpu cycles, milliseconds or any other value,

        as long as it can be converted to seconds by <time_in_secs>.

        This methodology is taken to accomodate any hardware or simulated platform.

        The sample implementation returns millisecs by default, 

        and the resolution is controlled by <TIMER_RES_DIVIDER>

*/

CORE_TICKS get_time(void) {

        CORE_TICKS elapsed = (CORE_TICKS)(HAL_GetTick()-Tick);

        return elapsed;

}

/* Function : time_in_secs

        Convert the value returned by get_time to seconds.



        The <secs_ret> type is used to accomodate systems with no support for floating point.

        Default implementation implemented by the EE_TICKS_PER_SEC macro above.

*/

secs_ret time_in_secs(CORE_TICKS ticks) {

        secs_ret retval=((secs_ret)ticks) / (secs_ret)EE_TICKS_PER_SEC;

        return retval;

}

extern crm_clocks_freq_type crm_clocks_freq_struct;



/* Function : portable_init

        Target specific initialization code 

        Test for some common mistakes.

*/

void portable_init(core_portable *p, int *argc, char *argv[])

{

        ee_printf("CoreMark run on AT32F437ZMT7 <a href="home.php?mod=space&uid=72445" target="_blank">@</a> %luHz\r\n",  crm_clocks_freq_struct.sclk_freq);



        if (sizeof(ee_ptr_int) != sizeof(ee_u8*)) {

                ee_printf("ERROR! Please define ee_ptr_int to a type that holds a pointer!\r\n");

        }

        if (sizeof(ee_u32) != 4) {

                ee_printf("ERROR! Please define ee_u32 to a 32b unsigned type!\r\n");

        }

        p->portable_id = 1;

}

CoreMark_Main(0, 0);