register_io_i2c.c File Reference

The register_io_i2c.c file contains definitions for low-level interface functions for reading and writing sensor registers. More...

#include <string.h>
#include "issdk_hal.h"
#include "register_io_i2c.h"

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Macros
#define	I2C_COUNT   (sizeof(i2cBases) / sizeof(void *))

Functions
int32_t	Register_I2C_BlockWrite (ARM_DRIVER_I2C *pCommDrv, registerDeviceInfo_t *devInfo, uint16_t slaveAddress, uint8_t offset, const uint8_t *pBuffer, uint8_t bytesToWrite)
	The interface function to write a sensor register. More...
int32_t	Register_I2C_Write (ARM_DRIVER_I2C *pCommDrv, registerDeviceInfo_t *devInfo, uint16_t slaveAddress, uint8_t offset, uint8_t value, uint8_t mask, bool repeatedStart)
	The interface function to write a sensor register. More...
int32_t	Register_I2C_Read (ARM_DRIVER_I2C *pCommDrv, registerDeviceInfo_t *devInfo, uint16_t slaveAddress, uint8_t offset, uint8_t length, uint8_t *pOutBuffer)
	The interface function to read a sensor register. More...

Variables
I2C_Type *const	i2cBases [] = I2C_BASE_PTRS
volatile bool	b_I2C_CompletionFlag [I2C_COUNT] = {false}
volatile uint32_t	g_I2C_ErrorEvent [I2C_COUNT] = {ARM_I2C_EVENT_TRANSFER_DONE}

Detailed Description

The register_io_i2c.c file contains definitions for low-level interface functions for reading and writing sensor registers.

Definition in file register_io_i2c.c.

Macro Definition Documentation

I2C_COUNT

#define I2C_COUNT   (sizeof(i2cBases) / sizeof(void *))

Definition at line 50 of file register_io_i2c.c.

Function Documentation

Register_I2C_BlockWrite()

int32_t Register_I2C_BlockWrite	(	ARM_DRIVER_I2C *	pCommDrv,
		registerDeviceInfo_t *	devInfo,
		uint16_t	slaveAddress,
		uint8_t	offset,
		const uint8_t *	pBuffer,
		uint8_t	bytesToWrite
	)

The interface function to write a sensor register.

The interface function to block write sensor registers.

Definition at line 160 of file register_io_i2c.c.

References b_I2C_CompletionFlag, registerDeviceInfo_t::deviceInstance, registerDeviceInfo_t::functionParam, g_I2C_ErrorEvent, registerDeviceInfo_t::idleFunction, int32_t(), SENSOR_MAX_REGISTER_COUNT, and status.

Referenced by ADS_FXLC95000Query(), ADS_MMA9553Query(), FXLC95000_I2C_CheckRomMode(), FXLC95000_I2C_Initialize(), Host_IO_Receive(), MMA9553_I2C_Initialize(), and Sensor_I2C_BlockWrite().

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Register_I2C_Read()

int32_t Register_I2C_Read	(	ARM_DRIVER_I2C *	pCommDrv,
		registerDeviceInfo_t *	devInfo,
		uint16_t	slaveAddress,
		uint8_t	offset,
		uint8_t	length,
		uint8_t *	pOutBuffer
	)

The interface function to read a sensor register.

The interface function to read a sensor register.

Read and update the value.

Definition at line 321 of file register_io_i2c.c.

References b_I2C_CompletionFlag, registerDeviceInfo_t::deviceInstance, registerDeviceInfo_t::functionParam, g_I2C_ErrorEvent, registerDeviceInfo_t::idleFunction, int32_t(), and status.

Referenced by ADS_DetectShield(), ADS_MMA9553Query(), DIFF_P_I2C_Initialize(), FXAS21002_I2C_Initialize(), FXLS8471Q_Init(), FXLS8962_I2C_Initialize(), FXOS8700_I2C_Initialize(), FXOS8700_Init(), FXPQ3115_I2C_Initialize(), Host_IO_Receive(), MAG3110_I2C_Initialize(), MAG3110_Init(), MMA845x_I2C_Initialize(), MMA8491Q_I2C_Initialize(), MMA865x_I2C_Initialize(), MMA9553_I2C_Configure(), MMA9553_I2C_Initialize(), MPL3115_I2C_Initialize(), Sensor_I2C_BlockWrite(), and Sensor_I2C_Read().

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Register_I2C_Write()

int32_t Register_I2C_Write	(	ARM_DRIVER_I2C *	pCommDrv,
		registerDeviceInfo_t *	devInfo,
		uint16_t	slaveAddress,
		uint8_t	offset,
		uint8_t	value,
		uint8_t	mask,
		bool	repeatedStart
	)

The interface function to write a sensor register.

The interface function to write a sensor register.

Set the register based on the values in the register value pair configuration.

Send the register address to read from.

Read the value.

'OR' in the requested values to the current contents of the register

Overwrite the register with specified value.

Write the updated value.

Definition at line 204 of file register_io_i2c.c.

References b_I2C_CompletionFlag, registerDeviceInfo_t::deviceInstance, registerDeviceInfo_t::functionParam, g_I2C_ErrorEvent, registerDeviceInfo_t::idleFunction, int32_t(), and status.

Referenced by DIFF_P_I2C_Configure(), DIFF_P_I2C_DeInit(), DIFF_P_I2C_Initialize(), FXAS21002_I2C_Configure(), FXAS21002_I2C_Deinit(), FXLS8962_I2C_Configure(), FXLS8962_I2C_DeInit(), FXOS8700_I2C_Configure(), FXOS8700_I2C_Deinit(), FXPQ3115_I2C_Configure(), FXPQ3115_I2C_DeInit(), MAG3110_I2C_Configure(), MAG3110_I2C_DeInit(), main(), MMA845x_I2C_Configure(), MMA845x_I2C_Deinit(), MMA865x_I2C_Configure(), MMA865x_I2C_DeInit(), MPL3115_I2C_Configure(), MPL3115_I2C_DeInit(), and Sensor_I2C_Write().

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Variable Documentation

b_I2C_CompletionFlag

volatile bool b_I2C_CompletionFlag[I2C_COUNT] = {false}

Definition at line 56 of file register_io_i2c.c.

Referenced by Register_I2C_BlockWrite(), Register_I2C_Read(), and Register_I2C_Write().

g_I2C_ErrorEvent

volatile uint32_t g_I2C_ErrorEvent[I2C_COUNT] = {ARM_I2C_EVENT_TRANSFER_DONE}

Definition at line 57 of file register_io_i2c.c.

Referenced by Register_I2C_BlockWrite(), Register_I2C_Read(), and Register_I2C_Write().

i2cBases

I2C_Type* const i2cBases[] = I2C_BASE_PTRS

Definition at line 55 of file register_io_i2c.c.