/*!
 * @file        main.c
 *
 * @brief       Main program body
 *
 * @version     V1.0.0
 *
 * @date        2023-03-30
 *
 * @attention
 *
 *  Copyright (C) 2023 Geehy Semiconductor
 *
 *  You may not use this file except in compliance with the
 *  GEEHY COPYRIGHT NOTICE (GEEHY SOFTWARE PACKAGE LICENSE).
 *
 *  The program is only for reference, which is distributed in the hope
 *  that it will be useful and instructional for customers to develop
 *  their software. Unless required by applicable law or agreed to in
 *  writing, the program is distributed on an "AS IS" BASIS, WITHOUT
 *  ANY WARRANTY OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the GEEHY SOFTWARE PACKAGE LICENSE for the governing permissions
 *  and limitations under the License.
 */

/* Includes */
#include "Board.h"
#include "stdio.h"
#include "apm32a0xx_gpio.h"
#include "apm32a0xx_tmr.h"
#include "apm32a0xx_misc.h"
#include "apm32a0xx_eint.h"

/** @addtogroup Examples
  @{
*/

/** @addtogroup TMR_TimeBase
  @{
*/

/** @defgroup TMR_TimeBase_Macros Macros
  @{
*/

/**@} end of group TMR_TimeBase_Macros */

/** @defgroup TMR_TimeBase_Enumerations Enumerations
  @{
*/

/**@} end of group TMR_TimeBase_Enumerations */

/** @defgroup TMR_TimeBase_Structures Structures
  @{
*/

/**@} end of group TMR_TimeBase_Structures */

/** @defgroup TMR_TimeBase_Variables Variables
  @{
*/

/* Timer tick */
volatile uint32_t tick = 0;

/**@} end of group TMR_TimeBase_Variables */

/** @defgroup TMR_TimeBase_Functions
  @{
  */

/* TMR14 Init */
void APM_MINI_TMR14_Init(void);

/*!
 * @brief       Main program
 *
 * @param       None
 *
 * @retval      None
 *
 * @note
 */
int main(void)
{
    APM_MINI_PBInit(BUTTON_KEY1, BUTTON_MODE_EINT);
    APM_MINI_LEDInit(LED2);
    APM_MINI_LEDInit(LED3);
    APM_MINI_TMR14_Init();

    /* Turn LED2 on */
    GPIO_ClearBit(LED2_GPIO_PORT, LED2_PIN);
    /* Turn LED3 off */
    GPIO_SetBit(LED3_GPIO_PORT, LED3_PIN);

    for (;;)
    {
        if (tick >= 1000)
        {
            tick = 0;
            APM_MINI_LEDToggle(LED2);
            APM_MINI_LEDToggle(LED3);
        }
    }
}


void APM_MINI_TMR14_Init()
{
    TMR_TimeBase_T  timeBaseConfig;

    /* Enable Clock */
    RCM_EnableAPB2PeriphClock(RCM_APB2_PERIPH_SYSCFG);
    RCM_EnableAPB1PeriphClock(RCM_APB1_PERIPH_TMR14);

    /* Set clockDivision = 1 */
    timeBaseConfig.clockDivision =  TMR_CKD_DIV1;
    /* Up-counter */
    timeBaseConfig.counterMode =  TMR_COUNTER_MODE_UP;
    /* Set divider = 47.So TMR1 clock freq ~= 48/(47 + 1) = 1MHZ */
    timeBaseConfig.div = 47 ;
    /* Set counter = 0xffff */
    timeBaseConfig.period = 0xFF;
    /* Repetition counter = 0x0 */
    timeBaseConfig.repetitionCounter =  0;

    TMR_ConfigTimeBase(TMR14, &timeBaseConfig);

    /* Enable update interrupt*/
    TMR_EnableInterrupt(TMR14, TMR_INT_UPDATE);
    NVIC_EnableIRQRequest(TMR14_IRQn, 2);

    /*  Enable TMR14  */
    TMR_Enable(TMR14);
}

/*!
 * @brief       TMR14 interrupt service runtine
 *
 * @param       None
 *
 * @retval      None
 *
 * @note        This function need to put into TMR14_IRQHandler() in apm32a0xx_int.c
 */
void TMR14Isr(void)
{
    if (TMR_ReadIntFlag(TMR14, TMR_INT_FLAG_UPDATE) == SET)
    {
        TMR_ClearIntFlag(TMR14, TMR_INT_FLAG_UPDATE);

        tick++;
    }
}

/**@} end of group TMR_TimeBase_Functions */
/**@} end of group TMR_TimeBase */
/**@} end of group Examples */
