mirror of https://github.com/ArduPilot/ardupilot
43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
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#ifndef __AP_HAL_I2C_DRIVER_H__
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#define __AP_HAL_I2C_DRIVER_H__
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#include <stdint.h>
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#include "AP_HAL_Namespace.h"
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class AP_HAL::I2CDriver {
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public:
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virtual void begin() = 0;
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virtual void end() = 0;
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virtual void setTimeout(uint16_t ms) = 0;
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virtual void setHighSpeed(bool active) = 0;
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/* write: for i2c devices which do not obey register conventions */
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virtual uint8_t write(uint8_t addr, uint8_t len, uint8_t* data) = 0;
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/* writeRegister: write a single 8-bit value to a register */
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virtual uint8_t writeRegister(uint8_t addr, uint8_t reg, uint8_t val) = 0;
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/* writeRegisters: write bytes to contigious registers */
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virtual uint8_t writeRegisters(uint8_t addr, uint8_t reg,
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uint8_t len, uint8_t* data) = 0;
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/* read: for i2c devices which do not obey register conventions */
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virtual uint8_t read(uint8_t addr, uint8_t len, uint8_t* data) = 0;
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/* readRegister: read from a device register - writes the register,
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* then reads back an 8-bit value. */
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virtual uint8_t readRegister(uint8_t addr, uint8_t reg, uint8_t* data) = 0;
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/* readRegister: read contigious device registers - writes the first
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* register, then reads back multiple bytes */
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virtual uint8_t readRegisters(uint8_t addr, uint8_t reg,
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uint8_t len, uint8_t* data) = 0;
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virtual uint8_t lockup_count() = 0;
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void ignore_errors(bool b) { _ignore_errors = b; }
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virtual AP_HAL::Semaphore* get_semaphore() = 0;
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protected:
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bool _ignore_errors;
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};
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#endif // __AP_HAL_I2C_DRIVER_H__
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