rt-thread/bsp/msp432e401y-LaunchPad/board/board.c

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2023-07-15     yby          the first version
 */

#include "board.h"

void uart_hw_config(void)
{
#ifdef BSP_USING_UART0
    SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
    SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
    GPIOPinConfigure(GPIO_PA0_U0RX);
    GPIOPinConfigure(GPIO_PA1_U0TX);
    GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
#endif
}

/* this funtion set the Systick and enable systick int */
void SystemClock_Config()
{
    /* System Clock Update */
    SystemCoreClockUpdate();

    SysTickDisable();
    SysTickPeriodSet(SystemCoreClock / RT_TICK_PER_SECOND);
    SysTickIntEnable();
    SysTickEnable();
}

/**
 * This function will initial your board.
 */
void rt_hw_board_init()
{
    /* System clock initialization */
    SystemClock_Config();

    /* Heap initialization */
#if defined(RT_USING_HEAP)
    rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
#endif

    /* Pin driver initialization is open by default */
#ifdef RT_USING_PIN
    rt_hw_pin_init();
#endif

    /* USART driver initialization is open by default */
#ifdef RT_USING_SERIAL
    rt_hw_usart_init();
#endif

    /* Set the shell console output device */
#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
    rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif

    /* Board underlying hardware initialization */
#ifdef RT_USING_COMPONENTS_INIT
    rt_components_board_init();
#endif
}

void SysTick_Handler(void)
{
    /* enter interrupt */
    rt_interrupt_enter();
    rt_tick_increase();
    /* leave interrupt */
    rt_interrupt_leave();
}