#include "adxl345.h"

Functions
uint8_t	ADXL345_ReadByte (uint8_t addr)

uint16_t	ADXL345_ReadInt (uint8_t addr)

void	ADXL345_WriteByte (uint8_t addr, uint8_t dat)

HAL_StatusTypeDef	ADXL345_Init (ADXL345_DataRate_t dataRate, ADXL345_SPI_Wire_t spiWire, ADXL345_IntActive_t intLevel, ADXL345_DataResolve_t resolve, ADXL345_DataAlignment_t alignment, ADXL345_G_Range_t range)

void	ADXL345_SetInterrupts (uint8_t interrupts)

void	ADXL345_RemapInterrupts (uint8_t interrupts)

uint8_t	ADXL345_IsInterrupt (uint8_t interrupt)

void	ADXL345_EnableTapDetectOnAxes (uint8_t axes)

Variables
uint8_t	xbuf [3]

Function Documentation

◆ ADXL345_EnableTapDetectOnAxes()

void ADXL345_EnableTapDetectOnAxes ( uint8_t axes )

Definition at line 88 of file adxl345.c.

{
    ADXL345_WriteByte(ADXL345_REG_TAP_AXES, axes);
}

◆ ADXL345_Init()

HAL_StatusTypeDef ADXL345_Init	(	ADXL345_DataRate_t	dataRate,
		ADXL345_SPI_Wire_t	spiWire,
		ADXL345_IntActive_t	intLevel,
		ADXL345_DataResolve_t	resolve,
		ADXL345_DataAlignment_t	alignment,
		ADXL345_G_Range_t	range
	)

Definition at line 50 of file adxl345.c.

{
    if (ADXL345_ReadByte(ADXL345_REG_DEVID) == ADXL345_DEVICE_ID)
    {
        ADXL345_WriteByte(ADXL345_REG_BW_RATE, dataRate);
        ADXL345_WriteByte(ADXL345_REG_DATA_FORMAT,
            spiWire|intLevel|resolve|alignment|range);
        ADXL345_WriteByte(ADXL345_REG_POWER_CTL, 0x08); // BIT3=0/1:(测量模式/待机模式)；BIT2=0/1:(工作/休眠)；
        return HAL_OK;
    }
    else
    {
        return HAL_ERROR;
    }
}

◆ ADXL345_IsInterrupt()

uint8_t ADXL345_IsInterrupt ( uint8_t interrupt )

Definition at line 82 of file adxl345.c.

{
    uint8_t int_src = ADXL345_ReadByte(ADXL345_REG_INT_SOURCE);
    return (int_src & interrupt);
}

◆ ADXL345_ReadByte()

uint8_t ADXL345_ReadByte ( uint8_t addr )

Definition at line 20 of file adxl345.c.

{
    ADXL345_CS = 0;
    xbuf[0] = addr | 0x80;
    xbuf[1] = 0xFF;
    SPI_TxRxBytes(xbuf, 2);
    ADXL345_CS = 1;
    return xbuf[1];
}

◆ ADXL345_ReadInt()

uint16_t ADXL345_ReadInt ( uint8_t addr )

Definition at line 30 of file adxl345.c.

{
    ADXL345_CS = 0;
    xbuf[0] = addr | 0xC0;
    xbuf[1] = 0xFF;
    xbuf[2] = 0xFF;
    SPI_TxRxBytes(xbuf, 3);
    ADXL345_CS = 1;
    return *((uint16_t *)&xbuf[1]);
}

◆ ADXL345_RemapInterrupts()

void ADXL345_RemapInterrupts ( uint8_t interrupts )

Remap interrupts to INT2 (default is INT1)

Definition at line 77 of file adxl345.c.

{
    ADXL345_WriteByte(ADXL345_REG_INT_MAP, interrupts);
}

◆ ADXL345_SetInterrupts()

void ADXL345_SetInterrupts ( uint8_t interrupts )

Enable interrupts

Definition at line 72 of file adxl345.c.

{
    ADXL345_WriteByte(ADXL345_REG_INT_ENABLE, interrupts);
}

◆ ADXL345_WriteByte()

void ADXL345_WriteByte	(	uint8_t	addr,
		uint8_t	dat
	)

Definition at line 41 of file adxl345.c.

{
    ADXL345_CS = 0;
    xbuf[0] = addr;
    xbuf[1] = dat;
    SPI_TxRxBytes(xbuf, 2);
    ADXL345_CS = 1;
}

Variable Documentation

◆ xbuf

uint8_t xbuf[3]

Definition at line 18 of file adxl345.c.

Functions

Variables