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@@ -0,0 +1,31 @@
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+#ifndef __DS18B20_H
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+#define __DS18B20_H
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+
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+/* Includes ------------------------------------------------------------------*/
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+#include "stm32f4xx_hal.h"
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+
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+
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+/** @defgroup GPIO_pins_define GPIO pins define
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+ * @{
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+ */
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+
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+/* DS18B20 IO operation functions *****************************************************/
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+#define CLR_DS18B20() HAL_GPIO_WritePin (ONEWIRE_GPIO_Port,ONEWIRE_Pin,GPIO_PIN_RESET )
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+#define SET_DS18B20() HAL_GPIO_WritePin (ONEWIRE_GPIO_Port,ONEWIRE_Pin,GPIO_PIN_SET )
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+#define DS18B20_DQ_IN HAL_GPIO_ReadPin(ONEWIRE_GPIO_Port, ONEWIRE_Pin)
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+
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+/* Exported functions --------------------------------------------------------*/
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+/** @addtogroup DS18B20_Exported_Functions
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+ * @{
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+ */
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+uint8_t DS18B20_Init(void);
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+short DS18B20_Get_Temp(void);
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+void DS18B20_Start(void);
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+void DS18B20_Write_Byte(uint8_t dat);
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+uint8_t DS18B20_Read_Byte(void);
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+uint8_t DS18B20_Read_Bit(void);
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+uint8_t DS18B20_Check(void);
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+void DS18B20_Rst(void);
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+
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+#endif
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+
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