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[add] wwdg driver.

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This commit is contained in:
thread-liu 2020-12-05 10:15:37 +08:00
parent 73539c6bc0
commit edd3fd2174
3 changed files with 124 additions and 0 deletions
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6
bsp/stm32/stm32mp157a-st-ev1/board/Kconfig
View File

@ -101,6 +101,12 @@ menu "On-chip Peripheral Drivers"
bool "Enable GPIO"
select RT_USING_PIN
default y
config BSP_USING_WWDG
bool "Enable WWDG"
select RT_USING_WWDG
select RT_USING_WDT
default n
config BSP_USING_QSPI
bool "Enable QSPI BUS"

3
bsp/stm32/stm32mp157a-st-ev1/board/SConscript
View File

@ -52,6 +52,9 @@ if GetDepend(['BSP_USING_SPDIFRX']):
if GetDepend(['BSP_USING_DFSDM']):
src += Glob('ports/drv_dfsdm.c')
if GetDepend(['BSP_USING_WWDG']):
src += Glob('ports/drv_wwdg.c')
if GetDepend(['BSP_USING_OPENAMP']):
src += Glob('CubeMX_Config/CM4/Src/ipcc.c')
src += Glob('CubeMX_Config/CM4/Src/openamp.c')

115
bsp/stm32/stm32mp157a-st-ev1/board/ports/drv_wwdg.c Normal file
View File

@ -0,0 +1,115 @@
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-06-18 thread-liu the first version
*/
#include <board.h>
#if defined(BSP_USING_WWDG)
#include "drv_config.h"
#include <string.h>
#include <stdlib.h>
//#define DRV_DEBUG
#define LOG_TAG "drv.wwg"
#include <drv_log.h>
#define LED5_PIN GET_PIN(A, 14)
static rt_uint8_t feed_flag = 0;
static WWDG_HandleTypeDef hwwdg1;
void WWDG1_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
HAL_WWDG_IRQHandler(&hwwdg1);
/* leave interrupt */
rt_interrupt_leave();
}
void HAL_WWDG_EarlyWakeupCallback(WWDG_HandleTypeDef* hwwdg)
{
if(hwwdg->Instance==WWDG1)
{
if (feed_flag)
{
HAL_WWDG_Refresh(&hwwdg1);
HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_14);
}
}
}
static void wwdg_init()
{
rt_pin_mode(LED5_PIN, PIN_MODE_OUTPUT);
hwwdg1.Instance = WWDG1;
hwwdg1.Init.Prescaler = WWDG_PRESCALER_8;
hwwdg1.Init.Window = 0X5F;
hwwdg1.Init.Counter = 0x7F;
hwwdg1.Init.EWIMode = WWDG_EWI_ENABLE;
if (HAL_WWDG_Init(&hwwdg1) != HAL_OK)
{
Error_Handler();
}
feed_flag = 1;
}
static void wwdg_control(uint8_t pre_value)
{
if(pre_value > 7)
{
pre_value = 7;
}
hwwdg1.Instance->CFR &= ~(7 << 11); /* clear WDGTB[2:0] */
hwwdg1.Instance->CFR |= pre_value << 11; /* set WDGTB[2:0] */
}
static void wwdg_stop(void)
{
feed_flag = 0;
}
static int wwdg_sample(int argc, char *argv[])
{
if (argc > 1)
{
if (!strcmp(argv[1], "run"))
{
wwdg_init();
}
else if (!strcmp(argv[1], "set"))
{
if (argc > 2)
{
wwdg_control(atoi(argv[2]));
}
}
else if (!strcmp(argv[1], "stop"))
{
wwdg_stop();
}
}
else
{
rt_kprintf("Usage:\n");
rt_kprintf("wwdg_sample run - open wwdg, when feed wwdg in wwdg irq, the LD5 will blink\n");
rt_kprintf("wwdg_sample stop - stop to feed wwdg, system will reset\n");
rt_kprintf("wwdg_sample set - set the wwdg prescaler, wwdg_sample set [0 - 7]\n");
}
return RT_EOK;
}
MSH_CMD_EXPORT(wwdg_sample, window watch dog sample);
#endif