rt-thread/bsp/cypress/libraries/HAL_Drivers/drv_common.c

122 lines
2.5 KiB
C

/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-07-1 Rbb666 first version
*/
#include "drv_common.h"
#ifdef RT_USING_SERIAL
#include "drv_uart.h"
#endif
#define DBG_TAG "drv_common"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
#ifdef RT_USING_FINSH
#include <finsh.h>
static void reboot(uint8_t argc, char **argv)
{
rt_hw_cpu_reset();
}
MSH_CMD_EXPORT(reboot, Reboot System);
#endif /* RT_USING_FINSH */
/**
* this is the timer interrupt service routine.
*/
void SysTick_Handler_CB(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
/* systick configuration */
void rt_hw_systick_init(void)
{
Cy_SysTick_Init(CY_SYSTICK_CLOCK_SOURCE_CLK_CPU, SystemCoreClock / RT_TICK_PER_SECOND);
Cy_SysTick_SetCallback(0, SysTick_Handler_CB);
Cy_SysTick_EnableInterrupt();
}
/**
* @brief this function is executed in case of error occurrence.
* @param none
* @retval none
*/
void _Error_Handler(char *s, int num)
{
/* User can add his own implementation to report the HAL error return state */
LOG_E("Error_Handler at file:%s num:%d", s, num);
while (1)
{
}
}
/**
* this function will delay for some us.
*
* @param us the delay time of us
*/
void rt_hw_us_delay(rt_uint32_t us)
{
rt_uint32_t start, now, delta, reload, us_tick;
start = SysTick->VAL;
reload = SysTick->LOAD;
us_tick = SystemCoreClock / 1000000UL;
do
{
now = SysTick->VAL;
delta = start > now ? start - now : reload + start - now;
}
while(delta < us_tick * us);
}
/**
* this function will initial ifx board.
*/
RT_WEAK void rt_hw_board_init()
{
cy_bsp_all_init();
/* systick init */
rt_hw_systick_init();
/* 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_uart_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
}