kopia lustrzana https://github.com/SP8EBC/ParaTNC
80 wiersze
1.8 KiB
C
80 wiersze
1.8 KiB
C
/*
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* dallas.h
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*
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* Created on: 25.04.2017
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* Author: mateusz
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*/
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#ifndef DALLAS_H
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#define DALLAS_H
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#include "station_config_target_hw.h"
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/* C++ detection */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef STM32F10X_MD_VL
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#include <stm32f10x_gpio.h>
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#endif
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#ifdef STM32L471xx
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#include <stm32l4xx.h>
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#include <stm32l4xx_ll_gpio.h>
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#endif
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#include "station_config.h"
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#define DALLAS_AVERAGE_LN 9
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#define DALLAS_INIT_VALUE -128.0f
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extern volatile int delay_5us;
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extern volatile char timm;
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typedef struct dallas_struct_t {
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GPIO_TypeDef* GPIOx; /*!< GPIOx port to be used for I/O functions */
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uint16_t GPIO_Pin; /*!< GPIO Pin to be used for I/O functions */
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uint16_t GPIO_Pin_input;
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uint32_t GPIO_Cnf; /*!< GPIO Pin to be used for I/O functions */
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uint32_t GPIO_Mode; /*!< GPIO Pin to be used for I/O functions */
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uint32_t input_term;
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uint32_t output_term;
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uint32_t clear_term;
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uint8_t shift;
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}dallas_struct_t;
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typedef struct dallas_average_t {
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float values[DALLAS_AVERAGE_LN];
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float *begin, *end, *current;
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}dallas_average_t;
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typedef enum dallas_qf_t {
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DALLAS_QF_UNKNOWN = 0,
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DALLAS_QF_FULL,
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DALLAS_QF_DEGRADATED,
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DALLAS_QF_NOT_AVALIABLE
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}dallas_qf_t;
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void dallas_init(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, uint16_t GPIO_PinSource, dallas_average_t* average);
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void dallas_config_timer(void);
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void dallas_deconfig_timer(void);
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char dallas_reset(void);
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float dallas_query(dallas_qf_t *qf);
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void dallas_send_byte(char data);
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char dallas_receive_byte(void);
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uint8_t dallas_calculate_crc8(uint8_t *addr, uint8_t len);
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void dallas_average(float in, dallas_average_t* average);
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float dallas_get_average(const dallas_average_t* average);
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float dallas_get_min(const dallas_average_t* average);
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float dallas_get_max(const dallas_average_t* average);
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/* C++ detection */
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#ifdef __cplusplus
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}
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#endif
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#endif
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