rt-thread/bsp/CME_M7/StdPeriph_Driver/src/cmem7_wdg.c

64 lines
1.7 KiB
C

/**
*****************************************************************************
* @file cmem7_wdg.c
*
* @brief CMEM7 watchdog source file
*
*
* @version V1.0
* @date 3. September 2013
*
* @note
*
*****************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, CAPITAL-MICRO SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2013 Capital-micro </center></h2>
*****************************************************************************
*/
#include "cmem7_wdg.h"
static uint32_t wdg_GetClock() {
return SYSTEM_CLOCK_FREQ / (1 << (GLOBAL_CTRL->CLK_SEL_0_b.WDG_CLK + 1));
}
void WDG_DeInit(void){
SOFT_RESET->SOFTRST_b.WDT_n = 0;
SOFT_RESET->SOFTRST_b.WDT_n = 1;
}
void WDG_Init(uint8_t trigger, uint16_t ResetMillSecond) {
assert_param(IS_WDG_TRIGGER_MODE(trigger));
WDG->INT_CTRL_b.TRIGGER_MODE = trigger;
WDG->LEN = ((uint64_t)wdg_GetClock()) * ResetMillSecond / 1000;
}
void WDG_ITConfig(uint8_t Int, BOOL Enable) {
assert_param(IS_WDG_INT(Int));
WDG->CTRL_b.INT_LEN = Int;
WDG->INT_CTRL_b.MASK = !Enable;
}
BOOL WDG_GetITStatus() {
return (WDG->INT_STA_b.STA == 1) ? TRUE : FALSE;
}
void WDG_ClearITPendingBit() {
WDG->INT_STA_b.STA = 1;
}
void WDG_Cmd(BOOL Enable) {
WDG->CTRL_b.EN = Enable;
}