62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
#include "buzzer.h"
|
|
#include "timer.h"
|
|
|
|
#define OFF 0
|
|
#define ON 1
|
|
#define ONCE 2
|
|
|
|
static uint8_t state;
|
|
static uint8_t loop_times;
|
|
static uint16_t loop_interval;
|
|
static uint16_t beep_time;
|
|
|
|
inline void BUZZER_Start()
|
|
{
|
|
state = ON;
|
|
HAL_GPIO_WritePin(FM_K2_POWERC_GPIO_Port, FM_K2_POWERC_Pin, GPIO_PIN_RESET);
|
|
}
|
|
|
|
inline void BUZZER_Stop()
|
|
{
|
|
HAL_GPIO_WritePin(FM_K2_POWERC_GPIO_Port, FM_K2_POWERC_Pin, GPIO_PIN_SET);
|
|
if (state == ONCE)
|
|
TIMER_DelLoopEvent(EVENT_BUZZER);
|
|
state = OFF;
|
|
}
|
|
|
|
void BUZZER_StartTimed(uint8_t time)
|
|
{
|
|
state = ONCE;
|
|
BUZZER_Start();
|
|
TIMER_AddLoopEvent(EVENT_BUZZER, BUZZER_Stop, time);
|
|
}
|
|
|
|
void BUZZER_Callback();
|
|
|
|
void BUZZER_StartNTimes(uint8_t loop, uint16_t interval, uint16_t time)
|
|
{
|
|
loop_times = loop;
|
|
loop_interval = interval;
|
|
beep_time = time;
|
|
BUZZER_Start();
|
|
TIMER_AddLoopEvent(EVENT_BUZZER, BUZZER_Callback, time);
|
|
}
|
|
|
|
void BUZZER_Callback()
|
|
{
|
|
switch (state)
|
|
{
|
|
case ON:
|
|
BUZZER_Stop();
|
|
if (--loop_times)
|
|
TIMER_AddLoopEvent(EVENT_BUZZER, BUZZER_Callback, loop_interval);
|
|
else
|
|
TIMER_DelLoopEvent(EVENT_BUZZER);
|
|
break;
|
|
case OFF:
|
|
BUZZER_Start();
|
|
TIMER_AddLoopEvent(EVENT_BUZZER, BUZZER_Callback, beep_time);
|
|
break;
|
|
}
|
|
}
|