#include "hpm_ewdg_drv.h"

Macros
#define	EWDG_CTRL_REG_PARITY_BIT_MASK (1UL << 31)

#define	EWDG_CTRL_DIV_VAL_MAX (EWDG_CTRL0_DIV_VALUE_MASK >> EWDG_CTRL0_DIV_VALUE_SHIFT)

#define	EWDG_CTRL_WIN_UPPER_MAX (EWDG_CTRL0_WIN_UPPER_MASK >> EWDG_CTRL0_WIN_UPPER_SHIFT)

#define	EWDG_CTRL_REG_UPDATE_PERIOD_DEFAULT (4UL) /* 512 Bus clock */

#define	EWDG_RING_LEFT_SHIFT_1(val) (((uint16_t)(val) << 1) \| ((uint16_t)(val) >> 15))

#define	EWDG_REFRESH_PERIOD_DEFAULT (10000U)

#define	EWDG_INTERRUPT_TIMEOUT_TICKS_DEFAULT (0UL)

#define	EWDG_RESET_TIMEOUT_TICKS_DEFAULT (65535UL)

#define	EWDG_TIMEOUT_TICK_MAX (0xFFFFFFFFUL)

Functions
static bool	ewdg_need_set_parity_bit (uint32_t reg_val)

void	ewdg_get_default_config (EWDG_Type ptr, ewdg_config_t config)
	Get default configuration for EWDG. More...

hpm_stat_t	ewdg_init_ctrl_func (EWDG_Type ptr, ewdg_func_ctrl_config_t config, uint32_t cnt_src_freq)
	Initialize the Control function for EWDG. More...

hpm_stat_t	ewdg_init_interrupt_reset (EWDG_Type ptr, ewdg_interrupt_reset_config_t config)
	Initialize the Error function for EWDG. More...

hpm_stat_t	ewdg_init (EWDG_Type ptr, ewdg_config_t config)
	Initialize the EWDG module. More...

hpm_stat_t	ewdg_unlock_refresh (EWDG_Type *ptr)
	Unlock the write to refresh register. More...

hpm_stat_t	ewdg_refresh (EWDG_Type *ptr)
	Refresh EWDG. More...

uint32_t	ewdg_get_count_clock_freq (EWDG_Type *ptr, uint32_t src_clk_freq)
	Get the Divided Counter Clock Frequency for EWDG. More...

uint64_t	ewdg_convert_timeout_us_to_timeout_ticks (uint32_t src_clk_freq, uint32_t timeout_us)
	Convert the timeout in terms of microseconds to the timeout in terms of timeout ticks. More...

uint32_t	ewdg_convert_timeout_ticks_to_timeout_us (EWDG_Type *ptr, uint32_t src_clk_freq, uint32_t timeout_ticks)
	Convert the timeout in terms of timeout ticks to the timeout in terms of microseconds. More...

void	ewdg_enable_interrupt (EWDG_Type *ptr, uint32_t mask)
	Enable EWDG interrupt. More...

void	ewdg_disable_interrupt (EWDG_Type *ptr, uint32_t mask)
	Disable EWDG interrupt. More...

void	ewdg_enable_reset (EWDG_Type *ptr, uint32_t mask)
	Enable EWDG Reset. More...

void	ewdg_disable_reset (EWDG_Type *ptr, uint32_t mask)
	Disable EWDG Reset. More...

void	ewdg_switch_clock_source (EWDG_Type *ptr, ewdg_cnt_clk_sel_t clk_sel)
	Switch the EWDG clock source. More...

void	ewdg_enable (EWDG_Type *ptr)
	Enable EWDG. More...

void	ewdg_disable (EWDG_Type *ptr)
	Disable EWDG. More...

Macro Definition Documentation

◆ EWDG_CTRL_DIV_VAL_MAX

#define EWDG_CTRL_DIV_VAL_MAX (EWDG_CTRL0_DIV_VALUE_MASK >> EWDG_CTRL0_DIV_VALUE_SHIFT)

◆ EWDG_CTRL_REG_PARITY_BIT_MASK

#define EWDG_CTRL_REG_PARITY_BIT_MASK (1UL << 31)

Parity bit for Control Register

◆ EWDG_CTRL_REG_UPDATE_PERIOD_DEFAULT

#define EWDG_CTRL_REG_UPDATE_PERIOD_DEFAULT (4UL) /* 512 Bus clock */

◆ EWDG_CTRL_WIN_UPPER_MAX

#define EWDG_CTRL_WIN_UPPER_MAX (EWDG_CTRL0_WIN_UPPER_MASK >> EWDG_CTRL0_WIN_UPPER_SHIFT)

◆ EWDG_INTERRUPT_TIMEOUT_TICKS_DEFAULT

#define EWDG_INTERRUPT_TIMEOUT_TICKS_DEFAULT (0UL)

◆ EWDG_REFRESH_PERIOD_DEFAULT

#define EWDG_REFRESH_PERIOD_DEFAULT (10000U)

◆ EWDG_RESET_TIMEOUT_TICKS_DEFAULT

#define EWDG_RESET_TIMEOUT_TICKS_DEFAULT (65535UL)

◆ EWDG_RING_LEFT_SHIFT_1

#define EWDG_RING_LEFT_SHIFT_1 ( val ) (((uint16_t)(val) << 1) | ((uint16_t)(val) >> 15))

◆ EWDG_TIMEOUT_TICK_MAX

#define EWDG_TIMEOUT_TICK_MAX (0xFFFFFFFFUL)

Function Documentation

◆ ewdg_need_set_parity_bit()

static bool ewdg_need_set_parity_bit ( uint32_t reg_val )

static

Macros

Functions