main.c

/******************************************************************************
* File Name:   main.c
*
* Description: This is the source code for the Systick example using PDL APIs.
*              
* Related Document: See README.md
*
*
*******************************************************************************
* Copyright 2022-2023, Cypress Semiconductor Corporation (an Infineon company) or
* an affiliate of Cypress Semiconductor Corporation.  All rights reserved.
*
* This software, including source code, documentation and related
* materials ("Software") is owned by Cypress Semiconductor Corporation
* or one of its affiliates ("Cypress") and is protected by and subject to
* worldwide patent protection (United States and foreign),
* United States copyright laws and international treaty provisions.
* Therefore, you may use this Software only as provided in the license
* agreement accompanying the software package from which you
* obtained this Software ("EULA").
* If no EULA applies, Cypress hereby grants you a personal, non-exclusive,
* non-transferable license to copy, modify, and compile the Software
* source code solely for use in connection with Cypress's
* integrated circuit products.  Any reproduction, modification, translation,
* compilation, or representation of this Software except as specified
* above is prohibited without the express written permission of Cypress.
*
* Disclaimer: THIS SOFTWARE IS PROVIDED AS-IS, WITH NO WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, NONINFRINGEMENT, IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress
* reserves the right to make changes to the Software without notice. Cypress
* does not assume any liability arising out of the application or use of the
* Software or any product or circuit described in the Software. Cypress does
* not authorize its products for use in any products where a malfunction or
* failure of the Cypress product may reasonably be expected to result in
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* of such system or application assumes all risk of such use and in doing
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*******************************************************************************/

#include "cy_pdl.h"
#include "cybsp.h"

/*******************************************************************************
* Macros
********************************************************************************/
/* 8MHz IMO clock with 8000000 reload value to generate 1s interrupt */
#define SYSTICK_RELOAD_VAL   (8000000UL)

#ifdef XMC7200D_E272K8384
#define KIT_XMC72

#elif defined XMC7100D_F176K4160
#define KIT_XMC71_V1

#elif defined XMC7100D_F100K4160
#define KIT_XMC71_V2
#endif
/*******************************************************************************
* Function Prototypes
********************************************************************************/
static void toggle_led_on_systick_handler(void);

/*******************************************************************************
* Global Variables
********************************************************************************/

/*******************************************************************************
* Function Name: main
********************************************************************************
* Summary:
* This main achieve the systick timer interrupt function. Toggle user led when generate
* the systick interrupt with 1s period.
*
* Return: int
*
*******************************************************************************/
int main(void)
{
    cy_rslt_t result;

    /* Initialize the device and board peripherals */
    result = cybsp_init() ;
    if (result != CY_RSLT_SUCCESS)
    {
        CY_ASSERT(0);
    }

    __enable_irq();

    /* Initialize the User LED */
#if defined(KIT_XMC71_V1) || defined(KIT_XMC71_V2)
    Cy_GPIO_Pin_FastInit(P5_0_PORT, P5_0_NUM, CY_GPIO_DM_STRONG, 1u, P5_0_GPIO);
#else
    Cy_GPIO_Pin_FastInit(P16_1_PORT, P16_1_NUM, CY_GPIO_DM_STRONG, 1u, P16_1_GPIO);
#endif

    /* Initialize the systick, set the 8MHz IMO as clock source */
    Cy_SysTick_Init(CY_SYSTICK_CLOCK_SOURCE_CLK_IMO, SYSTICK_RELOAD_VAL);

    /* Set Systick interrupt callback */
    Cy_SysTick_SetCallback(0, toggle_led_on_systick_handler);

    /* Enable Systick and the Systick interrupt */
    Cy_SysTick_Enable();


    for (;;)
    {

    }
}

/*******************************************************************************
* Function Name: toggle_led_on_systick_handler
********************************************************************************
*
*  Summary:
*  Systick interrupt handler
*
*  Parameters:
*  None
*
*  Return:
*  None
*
**********************************************************************************/
void toggle_led_on_systick_handler(void)
{
    /* toggle led */
#if defined(KIT_XMC71_V1) || defined(KIT_XMC71_V2)
    Cy_GPIO_Inv(P5_0_PORT,P5_0_NUM);
#else
    Cy_GPIO_Inv(P16_1_PORT,P16_1_NUM);
#endif
}

/* [] END OF FILE */