88d68aac56
* Refactured class initialisation. * Refactured I2C::I2CM_XferBlocking() function. * (!Chip_I2CM_IsMasterPending(pI2C)) -> (Chip_I2CM_StateChanged(pI2C) == 0)
35 lines
872 B
C++
35 lines
872 B
C++
/*
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* I2C.h
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*
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* Created on: 21.2.2016
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* Author: krl
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*/
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#ifndef I2C_H_
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#define I2C_H_
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#include "chip.h"
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#include "board.h"
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struct I2C_config {
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unsigned int device_number;
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unsigned int speed;
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unsigned int clock_divider;
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unsigned int i2c_mode;
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I2C_config(unsigned int dn, unsigned int sp, unsigned int cd): device_number(dn), speed(sp), clock_divider(cd), i2c_mode(IOCON_SFI2C_EN) {};
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};
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class I2C {
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public:
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I2C(const I2C_config &cfg);
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virtual ~I2C();
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bool transaction(uint8_t devAddr, uint8_t *txBuffPtr, uint16_t txSize, uint8_t *rxBuffPtr, uint16_t rxSize);
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bool write(uint8_t devAddr, uint8_t *txBuffPtr, uint16_t txSize);
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bool read(uint8_t devAddr, uint8_t *rxBuffPtr, uint16_t rxSize);
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private:
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LPC_I2C_T *device;
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static uint32_t I2CM_XferBlocking(LPC_I2C_T *pI2C, I2CM_XFER_T *xfer);
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};
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#endif /* I2C_H_ */
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