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buzzer.c@ 25

Last change on this file since 25 was 17, checked in by f.jahn, 4 months ago

File size: 1.3 KB

Rev	Line
[17]	1	#include "main.h"
	2	#include "buzzer.h"
	3
	4	unsigned int onTimeCounter;
	5	unsigned int offTimeCounter;
	6	unsigned int onTime;
	7	unsigned int offTime;
	8	unsigned int alarmMode;
	9
	10
	11
	12	void BUZZER_Exec(void)
	13	{
	14
	15	if (onTimeCounter > 0)
	16	{
	17	onTimeCounter--;
	18	if (onTimeCounter == 0)
	19	{
	20	HAL_GPIO_WritePin(GPIO_OUTPUT_BUZZER_GPIO_Port, GPIO_OUTPUT_BUZZER_Pin, GPIO_PIN_RESET);
	21
	22	if (alarmMode == 1) offTimeCounter = offTime;
	23	}
	24	}
	25
	26	if (offTimeCounter > 0)
	27	{
	28	offTimeCounter--;
	29	if (offTimeCounter == 0)
	30	{
	31	HAL_GPIO_WritePin(GPIO_OUTPUT_BUZZER_GPIO_Port, GPIO_OUTPUT_BUZZER_Pin, GPIO_PIN_SET);
	32	onTimeCounter = onTime;
	33	}
	34	}
	35	}
	36
	37
	38
	39	void BUZZER_Beep(unsigned int time)
	40	{
	41	HAL_GPIO_WritePin(GPIO_OUTPUT_BUZZER_GPIO_Port, GPIO_OUTPUT_BUZZER_Pin, GPIO_PIN_SET);
	42	onTimeCounter = time;
	43
	44	}
	45
	46	void BUZZER_Alarm_Start(unsigned int on, unsigned int off )
	47	{
	48	onTime = on;
	49	offTime = off;
	50	alarmMode = 1;
	51
	52	HAL_GPIO_WritePin(GPIO_OUTPUT_BUZZER_GPIO_Port, GPIO_OUTPUT_BUZZER_Pin, GPIO_PIN_SET);
	53	onTimeCounter = on;
	54
	55	}
	56
	57	void BUZZER_Alarm_Stop(void)
	58	{
	59	HAL_GPIO_WritePin(GPIO_OUTPUT_BUZZER_GPIO_Port, GPIO_OUTPUT_BUZZER_Pin, GPIO_PIN_RESET);
	60	alarmMode = 0;
	61	offTimeCounter = 0;
	62	onTimeCounter = 0;
	63
	64	}

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