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/* Copyright (c) [2014 iCreative]. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* File Name :
* Author :
* Version : $Revision:$
* Date : $Date:$
* Description :
*
* HISTORY:
* Date | Modification | Author
* 28/03/2014 | Initial Revision |
*/
/* Includes ------------------------------------------------------------------*/
#include "spi_master.h"
extern uint8_t SPIMasterBuffer[];
extern uint8_t SPISlaveBuffer[];
extern volatile uint8_t SPIReadLength, SPIWriteLength;
#ifdef FEATURE_SENSOR_LIS3DH
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/*******************************************************************************
* Function Name : LIS3DH_ReadReg
* Description : Generic Reading function. It must be fullfilled with either
* : I2C or SPI reading functions
* Input : Register Address
* Output : Data REad
* Return : None
*******************************************************************************/
bool LIS3DH_ReadReg(u8_t Reg, u8_t* Data)
{
/* Write transaction */
uint8_t transfer_size = 2;
SPIMasterBuffer[0] = Reg | LIS3DH_READBIT;
spi_master_enable(SPI0);
ASSERT(spi_master_tx_rx((uint32_t *)NRF_SPI0,transfer_size,SPIMasterBuffer,SPISlaveBuffer));
spi_master_disable(SPI0);
/* Send received value back to the caller */
*Data = SPISlaveBuffer[1];
return true;
}
/*******************************************************************************
* Function Name : LIS3DH_WriteReg
* Description : Generic Writing function. It must be fullfilled with either
* : I2C or SPI writing function
* Input : Register Address, Data to be written
* Output : None
* Return : None
*******************************************************************************/
u8_t LIS3DH_WriteReg(u8_t WriteAddr, u8_t Data)
{
SPIWriteLength = 2;
SPIReadLength = 0;
SPIMasterBuffer[0] = WriteAddr;
SPIMasterBuffer[1] = (Data);
spi_master_enable(SPI0);
/* Check if we got an ACK or TIMEOUT error */
ASSERT(spi_master_tx_rx((uint32_t *)NRF_SPI0,SPIWriteLength,SPIMasterBuffer,SPISlaveBuffer));
spi_master_disable(SPI0);
return true;
}
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : LIS3DH_GetWHO_AM_I
* Description : Read identification code by WHO_AM_I register
* Input : Char to empty by Device identification Value
* Output : None
* Return : Status [value of FSS]
*******************************************************************************/
status_t LIS3DH_GetWHO_AM_I(u8_t* val)
{
if( !LIS3DH_ReadReg(LIS3DH_WHO_AM_I, val) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_GetStatusAUX
* Description : Read the AUX status register
* Input : Char to empty by status register buffer
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_GetStatusAUX(u8_t* val)
{
if( !LIS3DH_ReadReg(LIS3DH_STATUS_AUX, val) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_GetStatusAUXBIT
* Description : Read the AUX status register BIT
* Input : LIS3DH_STATUS_AUX_321OR, LIS3DH_STATUS_AUX_3OR, LIS3DH_STATUS_AUX_2OR, LIS3DH_STATUS_AUX_1OR,
LIS3DH_STATUS_AUX_321DA, LIS3DH_STATUS_AUX_3DA, LIS3DH_STATUS_AUX_2DA, LIS3DH_STATUS_AUX_1DA
* Output : None
* Return : Status of BIT [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_GetStatusAUXBit(u8_t statusBIT, u8_t* val)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_STATUS_AUX, &value) )
return MEMS_ERROR;
if(statusBIT == LIS3DH_STATUS_AUX_321OR) {
if(value &= LIS3DH_STATUS_AUX_321OR) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_STATUS_AUX_3OR) {
if(value &= LIS3DH_STATUS_AUX_3OR) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_STATUS_AUX_2OR) {
if(value &= LIS3DH_STATUS_AUX_2OR) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_STATUS_AUX_1OR) {
if(value &= LIS3DH_STATUS_AUX_1OR) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_STATUS_AUX_321DA) {
if(value &= LIS3DH_STATUS_AUX_321DA) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_STATUS_AUX_3DA) {
if(value &= LIS3DH_STATUS_AUX_3DA) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_STATUS_AUX_2DA) {
if(value &= LIS3DH_STATUS_AUX_2DA) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_STATUS_AUX_1DA) {
if(value &= LIS3DH_STATUS_AUX_1DA) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
return MEMS_ERROR;
}
/*******************************************************************************
* Function Name : LIS3DH_SetODR
* Description : Sets LIS3DH Output Data Rate
* Input : Output Data Rate
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetODR(LIS3DH_ODR_t ov)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG1, &value) )
return MEMS_ERROR;
value &= 0x0f;
value |= ov<<LIS3DH_ODR_BIT;
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG1, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetTemperature
* Description : Sets LIS3DH Output Temperature
* Input : MEMS_ENABLE, MEMS_DISABLE
* Output : None
* Note : For Read Temperature by LIS3DH_OUT_AUX_3, LIS3DH_SetADCAux and LIS3DH_SetBDU
functions must be ENABLE
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetTemperature(State_t state)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_TEMP_CFG_REG, &value) )
return MEMS_ERROR;
value &= 0xBF;
value |= state<<LIS3DH_TEMP_EN;
value |= state<<LIS3DH_ADC_PD;
if( !LIS3DH_WriteReg(LIS3DH_TEMP_CFG_REG, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetADCAux
* Description : Sets LIS3DH Output ADC
* Input : MEMS_ENABLE, MEMS_DISABLE
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetADCAux(State_t state)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_TEMP_CFG_REG, &value) )
return MEMS_ERROR;
value &= 0x7F;
value |= state<<LIS3DH_ADC_PD;
if( !LIS3DH_WriteReg(LIS3DH_TEMP_CFG_REG, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_GetAuxRaw
* Description : Read the Aux Values Output Registers
* Input : Buffer to empty
* Output : Aux Values Registers buffer
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_GetAuxRaw(LIS3DH_Aux123Raw_t* buff)
{
u8_t valueL;
u8_t valueH;
if( !LIS3DH_ReadReg(LIS3DH_OUT_1_L, &valueL) )
return MEMS_ERROR;
if( !LIS3DH_ReadReg(LIS3DH_OUT_1_H, &valueH) )
return MEMS_ERROR;
buff->AUX_1 = (u16_t)( (valueH << 8) | valueL )/16;
if( !LIS3DH_ReadReg(LIS3DH_OUT_2_L, &valueL) )
return MEMS_ERROR;
if( !LIS3DH_ReadReg(LIS3DH_OUT_2_H, &valueH) )
return MEMS_ERROR;
buff->AUX_2 = (u16_t)( (valueH << 8) | valueL )/16;
if( !LIS3DH_ReadReg(LIS3DH_OUT_3_L, &valueL) )
return MEMS_ERROR;
if( !LIS3DH_ReadReg(LIS3DH_OUT_3_H, &valueH) )
return MEMS_ERROR;
buff->AUX_3 = (u16_t)( (valueH << 8) | valueL )/16;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_GetTempRaw
* Description : Read the Temperature Values by AUX Output Registers OUT_3_H
* Input : Buffer to empty
* Output : Temperature Values Registers buffer
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_GetTempRaw(i8_t* buff)
{
u8_t valueL;
u8_t valueH;
if( !LIS3DH_ReadReg(LIS3DH_OUT_3_L, &valueL) )
return MEMS_ERROR;
if( !LIS3DH_ReadReg(LIS3DH_OUT_3_H, &valueH) )
return MEMS_ERROR;
*buff = (i8_t)( valueH );
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetMode
* Description : Sets LIS3DH Operating Mode
* Input : Modality (LIS3DH_NORMAL, LIS3DH_LOW_POWER, LIS3DH_POWER_DOWN)
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetMode(LIS3DH_Mode_t md)
{
u8_t value;
u8_t value2;
status_t ret;
static u8_t ODR_old_value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG1, &value) ) {
ret = MEMS_ERROR;
goto out;
}
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG4, &value2) ) {
ret = MEMS_ERROR;
goto out;
}
if((value & 0xF0)==0)
value = value | (ODR_old_value & 0xF0); //if it comes from POWERDOWN
switch(md) {
case LIS3DH_POWER_DOWN:
ODR_old_value = value;
value &= 0x0F;
break;
case LIS3DH_NORMAL:
value &= 0xF7;
value |= (MEMS_RESET<<LIS3DH_LPEN);
value2 &= 0xF7;
value2 |= (MEMS_SET<<LIS3DH_HR); //set HighResolution_BIT
break;
case LIS3DH_LOW_POWER:
value &= 0xF7;
value |= (MEMS_SET<<LIS3DH_LPEN);
value2 &= 0xF7;
value2 |= (MEMS_RESET<<LIS3DH_HR); //reset HighResolution_BIT
break;
default:
ret = MEMS_ERROR;
goto out;
}
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG1, value) ) {
ret = MEMS_ERROR;
goto out;
}
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG4, value2) ) {
ret = MEMS_ERROR;
goto out;
}
ret = MEMS_SUCCESS;
out:
spi_master_disable(SPI0);
return ret;
}
/*******************************************************************************
* Function Name : LIS3DH_SetAxis
* Description : Enable/Disable LIS3DH Axis
* Input : LIS3DH_X_ENABLE/DISABLE | LIS3DH_Y_ENABLE/DISABLE | LIS3DH_Z_ENABLE/DISABLE
* Output : None
* Note : You MUST use all input variable in the argument, as example
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetAxis(LIS3DH_Axis_t axis)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG1, &value) )
return MEMS_ERROR;
value &= 0xF8;
value |= (0x07 & axis);
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG1, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetFullScale
* Description : Sets the LIS3DH FullScale
* Input : LIS3DH_FULLSCALE_2/LIS3DH_FULLSCALE_4/LIS3DH_FULLSCALE_8/LIS3DH_FULLSCALE_16
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetFullScale(LIS3DH_Fullscale_t fs)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG4, &value) )
return MEMS_ERROR;
value &= 0xCF;
value |= (fs<<LIS3DH_FS);
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG4, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetBDU
* Description : Enable/Disable Block Data Update Functionality
* Input : ENABLE/DISABLE
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetBDU(State_t bdu)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG4, &value) )
return MEMS_ERROR;
value &= 0x7F;
value |= (bdu<<LIS3DH_BDU);
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG4, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetBLE
* Description : Set Endianess (MSB/LSB)
* Input : BLE_LSB / BLE_MSB
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetBLE(LIS3DH_Endianess_t ble)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG4, &value) )
return MEMS_ERROR;
value &= 0xBF;
value |= (ble<<LIS3DH_BLE);
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG4, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetSelfTest
* Description : Set Self Test Modality
* Input : LIS3DH_SELF_TEST_DISABLE/ST_0/ST_1
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetSelfTest(LIS3DH_SelfTest_t st)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG4, &value) )
return MEMS_ERROR;
value &= 0xF9;
value |= (st<<LIS3DH_ST);
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG4, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_HPFClick
* Description : Enable/Disable High Pass Filter for click
* Input : MEMS_ENABLE/MEMS_DISABLE
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_HPFClickEnable(State_t hpfe)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG2, &value) )
return MEMS_ERROR;
value &= 0xFB;
value |= (hpfe<<LIS3DH_HPCLICK);
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG2, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_HPFAOI1
* Description : Enable/Disable High Pass Filter for AOI on INT_1
* Input : MEMS_ENABLE/MEMS_DISABLE
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_HPFAOI1Enable(State_t hpfe)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG2, &value) )
return MEMS_ERROR;
value &= 0xFE;
value |= (hpfe<<LIS3DH_HPIS1);
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG2, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_HPFAOI2
* Description : Enable/Disable High Pass Filter for AOI on INT_2
* Input : MEMS_ENABLE/MEMS_DISABLE
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_HPFAOI2Enable(State_t hpfe)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG2, &value) )
return MEMS_ERROR;
value &= 0xFD;
value |= (hpfe<<LIS3DH_HPIS2);
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG2, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetHPFMode
* Description : Set High Pass Filter Modality
* Input : LIS3DH_HPM_NORMAL_MODE_RES/LIS3DH_HPM_REF_SIGNAL/
LIS3DH_HPM_NORMAL_MODE/LIS3DH_HPM_AUTORESET_INT
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetHPFMode(LIS3DH_HPFMode_t hpm)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG2, &value) )
return MEMS_ERROR;
value &= 0x3F;
value |= (hpm<<LIS3DH_HPM);
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG2, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetHPFCutOFF
* Description : Set High Pass CUT OFF Freq
* Input : HPFCF [0,3]
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetHPFCutOFF(LIS3DH_HPFCutOffFreq_t hpf)
{
u8_t value;
if (hpf > 3)
return MEMS_ERROR;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG2, &value) )
return MEMS_ERROR;
value &= 0xCF;
value |= (hpf<<LIS3DH_HPCF);
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG2, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetFilterDataSel
* Description : Set Filter Data Selection bypassed or sent to FIFO OUT register
* Input : MEMS_SET, MEMS_RESET
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetFilterDataSel(State_t state)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG2, &value) )
return MEMS_ERROR;
value &= 0xF7;
value |= (state<<LIS3DH_FDS);
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG2, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetInt1Pin
* Description : Set Interrupt1 pin Function
* Input : LIS3DH_CLICK_ON_PIN_INT1_ENABLE/DISABLE | LIS3DH_I1_INT1_ON_PIN_INT1_ENABLE/DISABLE |
LIS3DH_I1_INT2_ON_PIN_INT1_ENABLE/DISABLE | LIS3DH_I1_DRDY1_ON_INT1_ENABLE/DISABLE |
LIS3DH_I1_DRDY2_ON_INT1_ENABLE/DISABLE | LIS3DH_WTM_ON_INT1_ENABLE/DISABLE |
LIS3DH_INT1_OVERRUN_ENABLE/DISABLE
* example : SetInt1Pin(LIS3DH_CLICK_ON_PIN_INT1_ENABLE | LIS3DH_I1_INT1_ON_PIN_INT1_ENABLE |
LIS3DH_I1_INT2_ON_PIN_INT1_DISABLE | LIS3DH_I1_DRDY1_ON_INT1_ENABLE | LIS3DH_I1_DRDY2_ON_INT1_ENABLE |
LIS3DH_WTM_ON_INT1_DISABLE | LIS3DH_INT1_OVERRUN_DISABLE )
* Note : To enable Interrupt signals on INT1 Pad (You MUST use all input variable in the argument, as example)
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetInt1Pin(LIS3DH_IntPinConf_t pinConf)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG3, &value) )
return MEMS_ERROR;
value &= 0x00;
value |= pinConf;
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG3, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetInt2Pin
* Description : Set Interrupt2 pin Function
* Input : LIS3DH_CLICK_ON_PIN_INT2_ENABLE/DISABLE | LIS3DH_I2_INT1_ON_PIN_INT2_ENABLE/DISABLE |
LIS3DH_I2_INT2_ON_PIN_INT2_ENABLE/DISABLE | LIS3DH_I2_BOOT_ON_INT2_ENABLE/DISABLE |
LIS3DH_INT_ACTIVE_HIGH/LOW
* example : LIS3DH_SetInt2Pin(LIS3DH_CLICK_ON_PIN_INT2_ENABLE/DISABLE | LIS3DH_I2_INT1_ON_PIN_INT2_ENABLE/DISABLE |
LIS3DH_I2_INT2_ON_PIN_INT2_ENABLE/DISABLE | LIS3DH_I2_BOOT_ON_INT2_ENABLE/DISABLE |
LIS3DH_INT_ACTIVE_HIGH/LOW)
* Note : To enable Interrupt signals on INT2 Pad (You MUST use all input variable in the argument, as example)
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetInt2Pin(LIS3DH_IntPinConf_t pinConf)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG6, &value) )
return MEMS_ERROR;
value &= 0x00;
value |= pinConf;
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG6, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetClickCFG
* Description : Set Click Interrupt config Function
* Input : LIS3DH_ZD_ENABLE/DISABLE | LIS3DH_ZS_ENABLE/DISABLE | LIS3DH_YD_ENABLE/DISABLE |
LIS3DH_YS_ENABLE/DISABLE | LIS3DH_XD_ENABLE/DISABLE | LIS3DH_XS_ENABLE/DISABLE
* example : LIS3DH_SetClickCFG( LIS3DH_ZD_ENABLE | LIS3DH_ZS_DISABLE | LIS3DH_YD_ENABLE |
LIS3DH_YS_DISABLE | LIS3DH_XD_ENABLE | LIS3DH_XS_ENABLE)
* Note : You MUST use all input variable in the argument, as example
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetClickCFG(u8_t status)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CLICK_CFG, &value) )
return MEMS_ERROR;
value &= 0xC0;
value |= status;
if( !LIS3DH_WriteReg(LIS3DH_CLICK_CFG, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetClickTHS
* Description : Set Click Interrupt threshold
* Input : Click-click Threshold value [0-127]
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetClickTHS(u8_t ths)
{
if(ths>127)
return MEMS_ERROR;
if( !LIS3DH_WriteReg(LIS3DH_CLICK_THS, ths) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetClickLIMIT
* Description : Set Click Interrupt Time Limit
* Input : Click-click Time Limit value [0-127]
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetClickLIMIT(u8_t t_limit)
{
if(t_limit>127)
return MEMS_ERROR;
if( !LIS3DH_WriteReg(LIS3DH_TIME_LIMIT, t_limit) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetClickLATENCY
* Description : Set Click Interrupt Time Latency
* Input : Click-click Time Latency value [0-255]
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetClickLATENCY(u8_t t_latency)
{
if( !LIS3DH_WriteReg(LIS3DH_TIME_LATENCY, t_latency) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetClickWINDOW
* Description : Set Click Interrupt Time Window
* Input : Click-click Time Window value [0-255]
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetClickWINDOW(u8_t t_window)
{
if( !LIS3DH_WriteReg(LIS3DH_TIME_WINDOW, t_window) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_GetClickResponse
* Description : Get Click Interrupt Response by CLICK_SRC REGISTER
* Input : char to empty by Click Response Typedef
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_GetClickResponse(u8_t* res)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CLICK_SRC, &value) )
return MEMS_ERROR;
value &= 0x7F;
if((value & LIS3DH_IA)==0) {
*res = LIS3DH_NO_CLICK;
return MEMS_SUCCESS;
} else {
if (value & LIS3DH_DCLICK) {
if (value & LIS3DH_CLICK_SIGN) {
if (value & LIS3DH_CLICK_Z) {
*res = LIS3DH_DCLICK_Z_N;
return MEMS_SUCCESS;
}
if (value & LIS3DH_CLICK_Y) {
*res = LIS3DH_DCLICK_Y_N;
return MEMS_SUCCESS;
}
if (value & LIS3DH_CLICK_X) {
*res = LIS3DH_DCLICK_X_N;
return MEMS_SUCCESS;
}
} else {
if (value & LIS3DH_CLICK_Z) {
*res = LIS3DH_DCLICK_Z_P;
return MEMS_SUCCESS;
}
if (value & LIS3DH_CLICK_Y) {
*res = LIS3DH_DCLICK_Y_P;
return MEMS_SUCCESS;
}
if (value & LIS3DH_CLICK_X) {
*res = LIS3DH_DCLICK_X_P;
return MEMS_SUCCESS;
}
}
} else {
if (value & LIS3DH_CLICK_SIGN) {
if (value & LIS3DH_CLICK_Z) {
*res = LIS3DH_SCLICK_Z_N;
return MEMS_SUCCESS;
}
if (value & LIS3DH_CLICK_Y) {
*res = LIS3DH_SCLICK_Y_N;
return MEMS_SUCCESS;
}
if (value & LIS3DH_CLICK_X) {
*res = LIS3DH_SCLICK_X_N;
return MEMS_SUCCESS;
}
} else {
if (value & LIS3DH_CLICK_Z) {
*res = LIS3DH_SCLICK_Z_P;
return MEMS_SUCCESS;
}
if (value & LIS3DH_CLICK_Y) {
*res = LIS3DH_SCLICK_Y_P;
return MEMS_SUCCESS;
}
if (value & LIS3DH_CLICK_X) {
*res = LIS3DH_SCLICK_X_P;
return MEMS_SUCCESS;
}
}
}
}
return MEMS_ERROR;
}
/*******************************************************************************
* Function Name : LIS3DH_Int1LatchEnable
* Description : reboot sensor, reset mem registers function
* Input : ENABLE/DISABLE
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_RESET_MEM(void)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
return MEMS_ERROR;
value &= 0x7F;
value |= 1<<LIS3DH_BOOT;
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_Int1LatchEnable
* Description : Enable Interrupt 1 Latching function
* Input : ENABLE/DISABLE
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_Int1LatchEnable(State_t latch)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
return MEMS_ERROR;
value &= 0xF7;
value |= latch<<LIS3DH_LIR_INT1;
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_ResetInt1Latch
* Description : Reset Interrupt 1 Latching function
* Input : None
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_ResetInt1Latch(void)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_INT1_SRC, &value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetIntConfiguration
* Description : Interrupt 1 Configuration (without LIS3DH_6D_INT)
* Input : LIS3DH_INT1_AND/OR | LIS3DH_INT1_ZHIE_ENABLE/DISABLE | LIS3DH_INT1_ZLIE_ENABLE/DISABLE...
* Output : None
* Note : You MUST use all input variable in the argument, as example
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetIntConfiguration(LIS3DH_Int1Conf_t ic)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_INT1_CFG, &value) )
return MEMS_ERROR;
value &= 0x40;
value |= ic;
if( !LIS3DH_WriteReg(LIS3DH_INT1_CFG, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetIntMode
* Description : Interrupt 1 Configuration mode (OR, 6D Movement, AND, 6D Position)
* Input : LIS3DH_INT_MODE_OR, LIS3DH_INT_MODE_6D_MOVEMENT, LIS3DH_INT_MODE_AND,
LIS3DH_INT_MODE_6D_POSITION
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetIntMode(LIS3DH_Int1Mode_t int_mode)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_INT1_CFG, &value) )
return MEMS_ERROR;
value &= 0x3F;
value |= (int_mode<<LIS3DH_INT_6D);
if( !LIS3DH_WriteReg(LIS3DH_INT1_CFG, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetInt6D4DConfiguration
* Description : 6D, 4D Interrupt Configuration
* Input : LIS3DH_INT1_6D_ENABLE, LIS3DH_INT1_4D_ENABLE, LIS3DH_INT1_6D_4D_DISABLE
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetInt6D4DConfiguration(LIS3DH_INT_6D_4D_t ic)
{
u8_t value;
u8_t value2;
if( !LIS3DH_ReadReg(LIS3DH_INT1_CFG, &value) )
return MEMS_ERROR;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value2) )
return MEMS_ERROR;
if(ic == LIS3DH_INT1_6D_ENABLE) {
value &= 0xBF;
value |= (MEMS_ENABLE<<LIS3DH_INT_6D);
value2 &= 0xFB;
value2 |= (MEMS_DISABLE<<LIS3DH_D4D_INT1);
}
if(ic == LIS3DH_INT1_4D_ENABLE) {
value &= 0xBF;
value |= (MEMS_ENABLE<<LIS3DH_INT_6D);
value2 &= 0xFB;
value2 |= (MEMS_ENABLE<<LIS3DH_D4D_INT1);
}
if(ic == LIS3DH_INT1_6D_4D_DISABLE) {
value &= 0xBF;
value |= (MEMS_DISABLE<<LIS3DH_INT_6D);
value2 &= 0xFB;
value2 |= (MEMS_DISABLE<<LIS3DH_D4D_INT1);
}
if( !LIS3DH_WriteReg(LIS3DH_INT1_CFG, value) )
return MEMS_ERROR;
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value2) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_Get6DPosition
* Description : 6D, 4D Interrupt Position Detect
* Input : Byte to empty by POSITION_6D_t Typedef
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_Get6DPosition(u8_t* val)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_INT1_SRC, &value) )
return MEMS_ERROR;
value &= 0x7F;
switch (value) {
case LIS3DH_UP_SX:
*val = LIS3DH_UP_SX;
break;
case LIS3DH_UP_DX:
*val = LIS3DH_UP_DX;
break;
case LIS3DH_DW_SX:
*val = LIS3DH_DW_SX;
break;
case LIS3DH_DW_DX:
*val = LIS3DH_DW_DX;
break;
case LIS3DH_TOP:
*val = LIS3DH_TOP;
break;
case LIS3DH_BOTTOM:
*val = LIS3DH_BOTTOM;
break;
}
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetInt1Threshold
* Description : Sets Interrupt 1 Threshold
* Input : Threshold = [0,31]
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetInt1Threshold(u8_t ths)
{
if (ths > 127)
return MEMS_ERROR;
if( !LIS3DH_WriteReg(LIS3DH_INT1_THS, ths) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetInt1Duration
* Description : Sets Interrupt 1 Duration
* Input : Duration value
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetInt1Duration(LIS3DH_Int1Conf_t id)
{
if (id > 127)
return MEMS_ERROR;
if( !LIS3DH_WriteReg(LIS3DH_INT1_DURATION, id) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_FIFOModeEnable
* Description : Sets Fifo Modality
* Input : LIS3DH_FIFO_DISABLE, LIS3DH_FIFO_BYPASS_MODE, LIS3DH_FIFO_MODE,
LIS3DH_FIFO_STREAM_MODE, LIS3DH_FIFO_TRIGGER_MODE
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_FIFOModeEnable(LIS3DH_FifoMode_t fm)
{
u8_t value;
if(fm == LIS3DH_FIFO_DISABLE) {
if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
return MEMS_ERROR;
value &= 0x1F;
value |= (LIS3DH_FIFO_BYPASS_MODE<<LIS3DH_FM);
if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) ) //fifo mode bypass
return MEMS_ERROR;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
return MEMS_ERROR;
value &= 0xBF;
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) ) //fifo disable
return MEMS_ERROR;
}
if(fm == LIS3DH_FIFO_BYPASS_MODE) {
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
return MEMS_ERROR;
value &= 0xBF;
value |= MEMS_SET<<LIS3DH_FIFO_EN;
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) ) //fifo enable
return MEMS_ERROR;
if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
return MEMS_ERROR;
value &= 0x1f;
value |= (fm<<LIS3DH_FM); //fifo mode configuration
if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) )
return MEMS_ERROR;
}
if(fm == LIS3DH_FIFO_MODE) {
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
return MEMS_ERROR;
value &= 0xBF;
value |= MEMS_SET<<LIS3DH_FIFO_EN;
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) ) //fifo enable
return MEMS_ERROR;
if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
return MEMS_ERROR;
value &= 0x1f;
value |= (fm<<LIS3DH_FM); //fifo mode configuration
if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) )
return MEMS_ERROR;
}
if(fm == LIS3DH_FIFO_STREAM_MODE) {
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
return MEMS_ERROR;
value &= 0xBF;
value |= MEMS_SET<<LIS3DH_FIFO_EN;
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) ) //fifo enable
return MEMS_ERROR;
if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
return MEMS_ERROR;
value &= 0x1f;
value |= (fm<<LIS3DH_FM); //fifo mode configuration
if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) )
return MEMS_ERROR;
}
if(fm == LIS3DH_FIFO_TRIGGER_MODE) {
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
return MEMS_ERROR;
value &= 0xBF;
value |= MEMS_SET<<LIS3DH_FIFO_EN;
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) ) //fifo enable
return MEMS_ERROR;
if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
return MEMS_ERROR;
value &= 0x1f;
value |= (fm<<LIS3DH_FM); //fifo mode configuration
if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) )
return MEMS_ERROR;
}
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetTriggerInt
* Description : Trigger event liked to trigger signal INT1/INT2
* Input : LIS3DH_TRIG_INT1/LIS3DH_TRIG_INT2
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetTriggerInt(LIS3DH_TrigInt_t tr)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
return MEMS_ERROR;
value &= 0xDF;
value |= (tr<<LIS3DH_TR);
if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetWaterMark
* Description : Sets Watermark Value
* Input : Watermark = [0,31]
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetWaterMark(u8_t wtm)
{
u8_t value;
if(wtm > 31)
return MEMS_ERROR;
if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
return MEMS_ERROR;
value &= 0xE0;
value |= wtm;
if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_GetStatusReg
* Description : Read the status register
* Input : char to empty by Status Reg Value
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_GetStatusReg(u8_t* val)
{
if( !LIS3DH_ReadReg(LIS3DH_STATUS_REG, val) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_GetStatusBIT
* Description : Read the status register BIT
* Input : LIS3DH_STATUS_REG_ZYXOR, LIS3DH_STATUS_REG_ZOR, LIS3DH_STATUS_REG_YOR, LIS3DH_STATUS_REG_XOR,
LIS3DH_STATUS_REG_ZYXDA, LIS3DH_STATUS_REG_ZDA, LIS3DH_STATUS_REG_YDA, LIS3DH_STATUS_REG_XDA,
LIS3DH_DATAREADY_BIT
val: Byte to be filled with the status bit
* Output : status register BIT
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_GetStatusBit(u8_t statusBIT, u8_t* val)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_STATUS_REG, &value) )
return MEMS_ERROR;
switch (statusBIT) {
case LIS3DH_STATUS_REG_ZYXOR:
if(value &= LIS3DH_STATUS_REG_ZYXOR) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
case LIS3DH_STATUS_REG_ZOR:
if(value &= LIS3DH_STATUS_REG_ZOR) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
case LIS3DH_STATUS_REG_YOR:
if(value &= LIS3DH_STATUS_REG_YOR) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
case LIS3DH_STATUS_REG_XOR:
if(value &= LIS3DH_STATUS_REG_XOR) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
case LIS3DH_STATUS_REG_ZYXDA:
if(value &= LIS3DH_STATUS_REG_ZYXDA) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
case LIS3DH_STATUS_REG_ZDA:
if(value &= LIS3DH_STATUS_REG_ZDA) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
case LIS3DH_STATUS_REG_YDA:
if(value &= LIS3DH_STATUS_REG_YDA) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
case LIS3DH_STATUS_REG_XDA:
if(value &= LIS3DH_STATUS_REG_XDA) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
return MEMS_ERROR;
}
/*******************************************************************************
* Function Name : LIS3DH_GetAccAxesRaw
* Description : Read the Acceleration Values Output Registers
* Input : buffer to empity by AxesRaw_t Typedef
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
//status_t LIS3DH_GetAccAxesRaw(char* buff)
//{
// u8_t transfer_size = 6;
//
// SPIMasterBuffer[0] = LIS3DH_OUT_X_L| LIS3DH_READBIT | LIS3DH_MSBIT;
//
// /* Check if we got an ACK or TIMEOUT error */
// ASSERT(ic_spi_master_tx_rx((uint32_t *)NRF_SPI0,1,SPIMasterBuffer, transfer_size, buff));
//
// return MEMS_SUCCESS;
//}
/*******************************************************************************
* Function Name : LIS3DH_GetInt1Src
* Description : Reset Interrupt 1 Latching function
* Input : Char to empty by Int1 source value
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_GetInt1Src(u8_t* val)
{
if( !LIS3DH_ReadReg(LIS3DH_INT1_SRC, val) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_GetInt1SrcBit
* Description : Reset Interrupt 1 Latching function
* Input : statusBIT: LIS3DH_INT_SRC_IA, LIS3DH_INT_SRC_ZH, LIS3DH_INT_SRC_ZL.....
* val: Byte to be filled with the status bit
* Output : None
* Return : Status of BIT [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_GetInt1SrcBit(u8_t statusBIT, u8_t* val)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_INT1_SRC, &value) )
return MEMS_ERROR;
if(statusBIT == LIS3DH_INT1_SRC_IA) {
if(value &= LIS3DH_INT1_SRC_IA) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_INT1_SRC_ZH) {
if(value &= LIS3DH_INT1_SRC_ZH) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_INT1_SRC_ZL) {
if(value &= LIS3DH_INT1_SRC_ZL) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_INT1_SRC_YH) {
if(value &= LIS3DH_INT1_SRC_YH) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_INT1_SRC_YL) {
if(value &= LIS3DH_INT1_SRC_YL) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_INT1_SRC_XH) {
if(value &= LIS3DH_INT1_SRC_XH) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_INT1_SRC_XL) {
if(value &= LIS3DH_INT1_SRC_XL) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
return MEMS_ERROR;
}
/*******************************************************************************
* Function Name : LIS3DH_GetFifoSourceReg
* Description : Read Fifo source Register
* Input : Byte to empty by FIFO source register value
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_GetFifoSourceReg(u8_t* val)
{
if( !LIS3DH_ReadReg(LIS3DH_FIFO_SRC_REG, val) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_GetFifoSourceBit
* Description : Read Fifo WaterMark source bit
* Input : statusBIT: LIS3DH_FIFO_SRC_WTM, LIS3DH_FIFO_SRC_OVRUN, LIS3DH_FIFO_SRC_EMPTY
* val: Byte to fill with the bit value
* Output : None
* Return : Status of BIT [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_GetFifoSourceBit(u8_t statusBIT, u8_t* val)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_FIFO_SRC_REG, &value) )
return MEMS_ERROR;
if(statusBIT == LIS3DH_FIFO_SRC_WTM) {
if(value &= LIS3DH_FIFO_SRC_WTM) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_FIFO_SRC_OVRUN) {
if(value &= LIS3DH_FIFO_SRC_OVRUN) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
if(statusBIT == LIS3DH_FIFO_SRC_EMPTY) {
if(value &= statusBIT == LIS3DH_FIFO_SRC_EMPTY) {
*val = MEMS_SET;
return MEMS_SUCCESS;
} else {
*val = MEMS_RESET;
return MEMS_SUCCESS;
}
}
return MEMS_ERROR;
}
/*******************************************************************************
* Function Name : LIS3DH_GetFifoSourceFSS
* Description : Read current number of unread samples stored in FIFO
* Input : Byte to empty by FIFO unread sample value
* Output : None
* Return : Status [value of FSS]
*******************************************************************************/
status_t LIS3DH_GetFifoSourceFSS(u8_t* val)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_FIFO_SRC_REG, &value) )
return MEMS_ERROR;
value &= 0x1F;
*val = value;
return MEMS_SUCCESS;
}
/*******************************************************************************
* Function Name : LIS3DH_SetSPIInterface
* Description : Set SPI mode: 3 Wire Interface OR 4 Wire Interface
* Input : LIS3DH_SPI_3_WIRE, LIS3DH_SPI_4_WIRE
* Output : None
* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
*******************************************************************************/
status_t LIS3DH_SetSPIInterface(LIS3DH_SPIMode_t spi)
{
u8_t value;
if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG4, &value) )
return MEMS_ERROR;
value &= 0xFE;
value |= spi<<LIS3DH_SIM;
if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG4, value) )
return MEMS_ERROR;
return MEMS_SUCCESS;
}
bool LIS3DH_enableFiFo(void)
{
ASSERT(LIS3DH_SetTemperature(MEMS_ENABLE));
/* Set data rate and power mode, and enable X/Y/Z */
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG1,
LIS3DH_CTRL_REG1_DATARATE_50HZ| /* Normal mode, 10Hz */
LIS3DH_CTRL_REG1_XYZEN)); /* Enable X, Y and Z */
// Settings for CTRL_REG2:
// defaults
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG2, 0));
// Settings for CTRL_REG3
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG3, 0));
// Settings for CTRL_REG4:
// ----------------------------------------------------------------------------------------
//CTRL_REG4| 7 6 5 4 3 2 1 0 |
// | BDU BLE FS1 FS2 HR ST1 ST0 SIM|
// ----------------------------------------------------------------------------------------
// FS1:FS2 -->g'range selection 00-->2g;01-->4g;10-->8g;11-->16g:
// HR = 1 --> high resolution
// SIM -->if ==1 serial interface mode is selected(SPI)
/* Settings for CTRL_REG4 Enable block update and set range to +/-2G */
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG4, 0x08));
// ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG5, 0x80));
/* LIS3DH_CTRL_REG4_BLOCKDATAUPDATE Enable block update */
// LIS3DH_CTRL_REG4_SCALE_2G)); /* +/-2G measurement range */
#ifdef TESTFIFO
// Settings for CTRL_REG5:
// ----------------------------------------------------------------------------------------
//CTRL_REG5| 7 6 5 4 3 2 1 0 |
// | BOOT FIFO_EN -- -- LIR_INT1 D4D_INT1 0 0 |
// ----------------------------------------------------------------------------------------
ASSERT(LIS3DH_WriteReg( LIS3DH_CTRL_REG5 ,
BIT_6 | /*Enable FIFO*/
BIT_3 /*lATCH INTERRUPT request on INT1_SRC register, with INT1_SRC register cleared by reading INT1_SRC itself*/
));
//---TESTING CLICK WITH CTRL_REG_6:
// Settings for CTRL_REG6:
// ---------------------------------------------------------------------------------------------
//CTRL_REG6| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
// | I2_CLICKen | I2_INT1 | 0 | BOOT_I1 | 0 | | H_L-ACTIVE | -- |
// ---------------------------------------------------------------------------------------------
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG6 ,
BIT_7 | BIT_6)); /* enable tap and double tap interruppts on INT2 pin*/
// ----------------------------------------------------------------------------------------
//CLICK_CFG| 7 6 5 4 3 2 1 0 |
// | -- -- ZD(DOUB) ZS(SING) YD YS XD XS |
// ----------------------------------------------------------------------------------------
ASSERT(LIS3DH_WriteReg( LIS3DH_CLICK_CFG ,
BIT_5));//Enable interrupt double CLICK-CLICK on Z axis enable interrupt request on measured accel. value higher than preset threshold
//CLICK_THS
//Threshold for click detection (arbitary value) 1LSb = fullscale/128
ASSERT(LIS3DH_WriteReg( LIS3DH_CLICK_THS , 0x03 ));
//TIME_LIMIT
//Time limit a short time frame where in which click is recognised when
//1.corresponding value in that axis exceeds threshold and
// 2.comes below threshold.
// To get detected both should happen in this time limit.
ASSERT(LIS3DH_WriteReg( LIS3DH_TIME_LIMIT , 0x33 ));
ASSERT(LIS3DH_WriteReg( LIS3DH_TIME_LATENCY , 0xFF ));
/* Enable FIFO */
ASSERT(LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG,
BIT_6 /* FIFO MODE, trigger signal on INT1 */
));
/* Enable interrupt */
ASSERT(LIS3DH_WriteReg(LIS3DH_INT1_CFG,
BIT_6 /* FIFO MODE, trigger signal on INT1 */
));
#endif
// Settings for INT1_CFG
// defaults
// Settings for INT1_THS
// defaults
// Settings for INT1_DUR
// Defaults
return true;
}
void LIS3DH_config_wake_int(bool enable)
{
#ifdef FEATURE_DEBUG1
char index,value;
for(index = 0x21; index <= 0x3D; index ++) {
LIS3DH_ReadReg(index, &value);
pr_info("--add:0x%x==v:0x%x \n",index,value);
// sprintf(str,"--add:0x%x==v:0x%x \r\n",index,value);
// simple_uart_putstring(str);
}
#endif
/*
LIS3DH_WriteReg(LIS3DH_CTRL_REG1,0xA7);
LIS3DH_WriteReg(LIS3DH_CTRL_REG2,0);
LIS3DH_WriteReg(LIS3DH_CTRL_REG3,0x40);
LIS3DH_WriteReg(LIS3DH_CTRL_REG4,00);
LIS3DH_WriteReg(LIS3DH_CTRL_REG5,0x8);
LIS3DH_WriteReg(LIS3DH_INT1_THS,0x10);
LIS3DH_WriteReg(LIS3DH_INT1_DURATION,0);
LIS3DH_WriteReg(LIS3DH_INT1_CFG,0x3F);
ASSERT(LIS3DH_SetMode(LIS3DH_NORMAL));
*/
if(enable) {
LIS3DH_SetInt1Threshold(33); // 1100 mg 1100/() (35:1.085g) (34:1.054g) (33:1.023)
LIS3DH_SetInt1Duration(0);
LIS3DH_SetIntMode(LIS3DH_INT_MODE_OR);
LIS3DH_SetInt6D4DConfiguration(LIS3DH_INT1_6D_4D_DISABLE);
LIS3DH_Int1LatchEnable(MEMS_ENABLE);
LIS3DH_SetInt1Pin(LIS3DH_CLICK_ON_PIN_INT1_DISABLE | LIS3DH_I1_INT1_ON_PIN_INT1_ENABLE |
LIS3DH_I1_INT2_ON_PIN_INT1_DISABLE | LIS3DH_I1_DRDY1_ON_INT1_DISABLE | LIS3DH_I1_DRDY2_ON_INT1_DISABLE |
LIS3DH_WTM_ON_INT1_DISABLE | LIS3DH_INT1_OVERRUN_DISABLE );
LIS3DH_SetIntConfiguration(LIS3DH_INT1_OR |
LIS3DH_INT1_ZHIE_ENABLE|
LIS3DH_INT1_ZLIE_DISABLE|
LIS3DH_INT1_YHIE_ENABLE|
LIS3DH_INT1_YLIE_DISABLE|
LIS3DH_INT1_XHIE_ENABLE|
LIS3DH_INT1_XLIE_DISABLE);// z Low and High int
} else {
LIS3DH_SetInt1Pin(LIS3DH_CLICK_ON_PIN_INT1_DISABLE | LIS3DH_I1_INT1_ON_PIN_INT1_DISABLE |
LIS3DH_I1_INT2_ON_PIN_INT1_DISABLE | LIS3DH_I1_DRDY1_ON_INT1_DISABLE | LIS3DH_I1_DRDY2_ON_INT1_DISABLE |
LIS3DH_WTM_ON_INT1_DISABLE | LIS3DH_INT1_OVERRUN_DISABLE);
LIS3DH_SetIntConfiguration(LIS3DH_INT1_AND |
LIS3DH_INT1_ZHIE_DISABLE|
LIS3DH_INT1_ZLIE_DISABLE|
LIS3DH_INT1_YHIE_DISABLE|
LIS3DH_INT1_YLIE_DISABLE|
LIS3DH_INT1_XHIE_DISABLE|
LIS3DH_INT1_XLIE_DISABLE);// z Low and High int
}
#ifdef FEATURE_DEBUG1
for(index = 0x20; index <= 0x3D; index ++) {
LIS3DH_ReadReg(index, &value);
// sprintf(str,"config add:0x%x==v:0x%x \r\n",index,value);
// simple_uart_putstring(str);
pr_info("config add:0x%x==v:0x%x \n",index,value);
}
index = 0x31;
LIS3DH_ReadReg(index, &value);
// sprintf(str,"config add:0x%x==v:0x%x \r\n",index,value);
// simple_uart_putstring(str);
pr_info("config add:0x%x==v:0x%x \n",index,value);
index = 0x25;
LIS3DH_ReadReg(index, &value);
// sprintf(str,"config add:0x%x==v:0x%x \r\n",index,value);
// simple_uart_putstring(str);
pr_info("config add:0x%x==v:0x%x \n",index,value);
#endif
}
uint32_t LIS3DH_getfifo(char * buff)
{
// uint8_t i = 0;
uint8_t fss = 0;
uint8_t ovrun;
LIS3DH_GetFifoSourceBit(LIS3DH_FIFO_SRC_OVRUN, &ovrun);
LIS3DH_GetFifoSourceFSS(&fss);
#define ACC_DATA_LEN 32
if(MEMS_SET == ovrun){
fss = ACC_DATA_LEN;
}
fss = (fss >> 2) << 2;
// pr_info( "FSS len %d, ovrun:%d\n", fss, ovrun);
SPIMasterBuffer[0] = LIS3DH_OUT_X_L| LIS3DH_READBIT | LIS3DH_MSBIT;
spi_master_enable(SPI0);
ic_spi_master_tx_rx((uint32_t *)NRF_SPI0, 1, SPIMasterBuffer, 6*fss, (uint8_t*)(buff));
// for(i = 0; i < fss; i++) {
// /* Check if we got an ACK or TIMEOUT error */
// ic_spi_master_tx_rx((uint32_t *)NRF_SPI0, 1, SPIMasterBuffer, 6, (uint8_t*)(buff + i * 6));
// }
spi_master_disable(SPI0);
#ifdef FIFO_STREAM_MODE
//ASSERT(LIS3DH_FIFOModeEnable(LIS3DH_FIFO_STREAM_MODE));
#else
LIS3DH_FIFOModeEnable(LIS3DH_FIFO_BYPASS_MODE);
LIS3DH_FIFOModeEnable(LIS3DH_FIFO_MODE);
#endif
return fss * 6;
}
uint8_t LIS3DH_Init( LIS3DH_ODR_t freq )
{
// bool init_succed;
uint8_t whoami;
uint8_t data_t = 0;
/* Initialise SPI */
/*!< Sample data at rising edge of clock and shift serial data at falling edge */
/*!< MSb first */
uint32_t *spi_base_address = spi_master_init(SPI0,SPI_MODE0,false);
if (spi_base_address == 0) {
return false;
}
/* get device WHO_AM_I first to see if it exists! */
ASSERT(LIS3DH_ReadReg(LIS3DH_WHO_AM_I,&whoami));
ASSERT(whoami == 0x33);
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG1, 0));
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG2, 0));
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG3, 0));
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG4, 0));
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG5, 0));
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG6, 0));
ASSERT(LIS3DH_FIFOModeEnable(LIS3DH_FIFO_DISABLE));
ASSERT(LIS3DH_SetAxis(LIS3DH_X_ENABLE|LIS3DH_Y_ENABLE|LIS3DH_Z_ENABLE));//
ASSERT(LIS3DH_SetMode(LIS3DH_LOW_POWER)); //ASSERT(LIS3DH_SetMode(LIS3DH_NORMAL));//ASSERT(LIS3DH_SetMode(LIS3DH_LOW_POWER));
ASSERT(LIS3DH_SetODR(freq));
LIS3DH_SetFullScale(LIS3DH_FULLSCALE_4);
ASSERT(LIS3DH_SetBDU(MEMS_ENABLE));
#ifdef FIFO_STREAM_MODE
LIS3DH_FIFOModeEnable(LIS3DH_FIFO_STREAM_MODE);
#else
LIS3DH_FIFOModeEnable(LIS3DH_FIFO_MODE);
#endif
LIS3DH_SetClickCFG(0);
LIS3DH_SetIntConfiguration(0);
LIS3DH_ReadReg(0x3f,&data_t);
data_t = data_t | 0x80;
LIS3DH_WriteReg(0x3f, data_t);
for(whoami = 0;whoami <0x20; whoami ++) {
ASSERT(LIS3DH_ReadReg(LIS3DH_CTRL_REG1+whoami,&data_t));
LOG(3,"gsensor:%#x value :%#x \r\n", LIS3DH_CTRL_REG1+whoami,data_t);
}
return true;
}
uint8_t LIS3DH_reset(void)
{
ASSERT(LIS3DH_RESET_MEM());
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG1, 0));
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG2, 0));
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG3, 0));
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG4, 0));
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG5, 0));
ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG6, 0));
ASSERT(LIS3DH_FIFOModeEnable(LIS3DH_FIFO_DISABLE));
return true;
}
/**************************************************************************/
/*!
@brief Initialises the SPI block
1+196 bytes
197*8 = 1576bits
1576 /(8*1024*1024)=0.188ms
*/
/**************************************************************************/
#define TESTFIFO 1
#if 0
bool LIS3DH_test()
{
uint8_t index;
uint8_t values[256];
uint32_t pg_size;
//ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG2,0));
while(1) {
//ASSERT(LIS3DH_WriteReg(LIS3DH_CTRL_REG2,ii));
for(index = 0;index <20; index ++) {
ASSERT(LIS3DH_ReadReg(LIS3DH_CTRL_REG1+index,values+index));
//simple_uart_put(values[index]);
}
for(pg_size = 0xfffff; pg_size > 0; pg_size --)
;
/*
for(index = 0;index <6; index ++)
{
ASSERT(LIS3DH_ReadReg(LIS3DH_OUT_X_L+index,acc+index));
for(pg_size = 0xffff; pg_size > 0; pg_size --);
}
simple_uart_put(0x55);
simple_uart_put(acc[1]);
simple_uart_put(acc[3]);
simple_uart_put(acc[5]);
*/
}
return true;
}
#endif
/******************* (C) COPYRIGHT 2013 Bidu *****END OF FILE****/
#endif
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LIS3DH.pdf
2016-11-12 15:48 上傳
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693.12 KB, 下載次數: 20, 下載積分: 黑幣 -5
3DH datasheet
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