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23 lines
555 B
23 lines
555 B
#ifndef HC_SR04_H
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#define HC_SR04_H
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#include "stm32f10x.h"
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#include "systick.h"
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#define HCSR_GPIO_CLK RCC_APB2Periph_GPIOA
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#define TRIG_GPIO GPIOA
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#define TRIG_PIN GPIO_Pin_4
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#define TRIG_HIGH() GPIO_SetBits(TRIG_GPIO, TRIG_PIN)
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#define TRIG_LOW() GPIO_ResetBits(TRIG_GPIO, TRIG_PIN)
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#define ECHO_GPIO GPIOA
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#define ECHO_PIN GPIO_Pin_5
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#define ECHO_READ() GPIO_ReadInputDataBit(ECHO_GPIO, ECHO_PIN)
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#define HCSR_TIM_CLK RCC_APB1Periph_TIM5
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#define HCSR_TIM TIM5
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void HCSR04_Init(void);
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float HCSR04_WaitToConvert(void);
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#endif
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