95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
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#ifndef __MAX31865drv_H
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#define __MAX31865drv_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "stm32_spi.h"
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#include "math.h"
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#include "usart_arb.h"
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typedef struct
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{
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uint8_t Vbias;
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uint8_t Conversion_mode;
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uint8_t Rtd_wire;
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uint8_t Filter;
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}max31865_configuration;
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//<2F><><EFBFBD><EFBFBD>RTDΪPT100
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#define REF_RES (430)
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#define R0 (100)
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/*
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//<2F><><EFBFBD><EFBFBD>RTDΪPT1K
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#define REF_RES 4000
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#define R0 1000
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*/
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#define ON (0x80)
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#define OFF (0x00)
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#define Auto_Conversion (0x40)
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#define One_Shot_Conversion (0x20)
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#define RTD_3wire (0x10)
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#define RTD_2wire (0x00)
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#define RTD_4wire (0x00)
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#define Filter_50Hz (0x01)
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#define Filter_60Hz (0x00)
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/* <20><><EFBFBD><EFBFBD><EFBFBD>¶<EFBFBD><C2B6><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><CFB5>*/
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//#define A 0.00390830
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//#define B -0.0000005775
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//#define C -0.00000000000418301
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void maxim_31865_write_register(uint8_t uch_register_address, uint8_t uch_register_value);
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void maxim_31865_write_nregisters(uint8_t uch_register_address,uint8_t *uch_buff,uint8_t uch_nBytes);
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uint8_t maxim_31865_read_register(uint8_t uch_register_address);
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void maxim_31865_read_nregisters(uint8_t uch_register_address, uint8_t *uch_buff,uint8_t uch_nBytes);
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void maxim_31865_init(max31865_configuration* configuration);
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void maxim_set_fault_threshold(float high_threshold, float low_threshold);
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uint8_t maxim_auto_fault_detection(void) ;
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uint8_t maxim_manual_fault_detection(void);
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void maxim_clear_fault_status(void);
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void maxim_get_rtd_value(uint8_t *uch_buff);
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void delay_us(uint32_t us);
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void Get_Hardware_SPI_Temp_Init(void);//<2F><><EFBFBD><EFBFBD>PT100<30><30><EFBFBD><EFBFBD>
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float Get_Hardware_SPI_Temp(void);//<2F><><EFBFBD><EFBFBD><EFBFBD>¶Ƚ<C2B6><C8BD><EFBFBD>
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#ifdef __cplusplus
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}
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#endif
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#endif
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