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test MAX31850
Diff: OneWire/MAX31850.h
- Revision:
- 0:55f2866e9c0c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OneWire/MAX31850.h Tue May 27 15:01:13 2014 +0000 @@ -0,0 +1,69 @@ +/* DS2450 specific values (see datasheet http://www.maximintegrated.com/datasheet/index.mvp/id/7953) */ +#ifndef __MAX31850_H__ +#define __MAX31850_H__ +#define MAX31850_ID 0x3B +#define MAX31850_SP_SIZE 9 + +#define MAX31850_CONVERT_T 0x44 // 0x44 +#define MAX31850_READ_POWER_SUPPLY 0xB4 +#define MAX31850_READ 0xBE + +#define MAX31850_ADC_TEMP_TC_UNIT 0.25 +#define MAX31850_ADC_TEMP_CJ_UNIT 0.0625 +#define MAX31850_K 41.276//41.276µV/C + +#define MAX31850_ERR_FAULT -10; +#define MAX31850_ERR_SHORT2VDD -12; +#define MAX31850_ERR_SHORT2GND -13; +#define MAX31850_ERR_OPEN_CIRCUIT -14; +/** + * @brief lecture registre MAX31850 + * @param [in] uint8_t id[] tableau d'identifiant OW + * @param [out] uint8_t sp[] tableau de registre + * @param [in] uint8_t n bus ow + * @return OW_OK si erreur retourne OW_ERROR_CRC + * @date 02/12/2013 + * + */ +int MAX31850_Read_Scratch(uint8_t id[],uint8_t sp[],uint8_t n) ; + +/** + * @brief lecture temperature thermocouple Linearized MAX31850 + * @param [in] uint8_t sp[] tableau registre MAX31850 + * @param [out] float temperature thermocouple Linearized degre Celsuis + * @return OW_OK si erreur retourne ERROR + * @date 04/12/2013 + * + */ + int MAX31850_Temp_TRUE(uint8_t *sp,double *temp); + +/** + * @brief lecture temperature thermocouple MAX31850 + * @param [in] uint8_t sp[] tableau registre MAX31850 + * @param [out] float temperature thermocouple degre Celsuis + * @return OW_OK si erreur retourne ERROR + * @date 04/12/2013 + * + */ + int MAX31850_Temp_TC(uint8_t *sp,float *temp) ; + +/** + * @brief lecture temperature cold junction MAX31850 + * @param [in] uint8_t sp[] tableau registre MAX31850 + * @param [out] float temperature cold junction degre Celsuis + * @return OW_OK si erreur retourne ERROR + * @date 04/12/2013 + * + */ +int MAX31850_Temp_CJ(uint8_t *sp,float *temp) ; + +/** + * @brief start convertion MAX31850 + * @param [in] uint8_t id[] tableau d'identifiant OW + * @param [in] uint8_t n bus ow + * @return OW_OK + * @date 02/12/2013 + * + */ +int MAX31850_Start_meas(uint8_t id[],uint8_t n); +#endif \ No newline at end of file