30 lines
767 B
C++
30 lines
767 B
C++
#ifndef MAX31855_H
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#define MAX31855_H
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#include "Arduino.h"
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#include "spi_master.h"
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enum MAX31855_error {
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MAX31855_OK = 0, // Success
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MAX31855_ERR_SCV = 1, // Thermocouple is shorted to Vcc
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MAX31855_ERR_SCG = 2, // Thermocouple is shorted to ground
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MAX31855_ERR_OC = 3, // Thermocouple is open
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MAX31855_ERR_TMO = 4, // Timeout waiting on I/O (bus busy)
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MAX31855_ERR_IO = 5 // Chip not sending output? CS not hooked up?
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};
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class MAX31855 {
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public:
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MAX31855(uint8_t cs = 0, bool deferInit = true);
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MAX31855_error getTemperature(float *temp) const;
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void Init(uint8_t cs);
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const char* errorStr(MAX31855_error err) const;
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private:
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spi_status_t readRaw(uint16_t *r) const;
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bool initialized;
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struct spi_device device;
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};
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#endif //MAX31855_H
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