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ADXL362.c
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ADXL362.c
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#include "ADXL362.h"
//******************************************************************************
//Public Variable Declarations
//******************************************************************************
float ADXL362_XAcceleration = 0;
float ADXL362_YAcceleration = 0;
float ADXL362_ZAcceleration = 0;
float ADXL362_Temperature = 0;
INT16 ADXL362_XAcceleration_Raw = 0;
INT16 ADXL362_YAcceleration_Raw = 0;
INT16 ADXL362_ZAcceleration_Raw = 0;
INT16 ADXL362_Temperature_Raw = 0;
float ADXL362_XAcceleration_Raw_Avg = 0;
float ADXL362_YAcceleration_Raw_Avg = 0;
float ADXL362_ZAcceleration_Raw_Avg = 0;
//******************************************************************************
//Public Function Definitions
//******************************************************************************
void ADXL362_startMeasurements()
{
int i = 0;
UINT8 func_rslt, read_rslt1;
UINT8 command[3];
//Reset the Device
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_SOFT_RESET;
command[2] = ADXL362_SOFT_RESET_KEY; //Represents the letter r
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
// //Wait for the device to reset
// while (i < (1000))
// {
// i++;
// }
// func_rslt = FIFOSPI2_popRxQueue(&read_rslt1);
// func_rslt = FIFOSPI2_popRxQueue(&read_rslt1);
// func_rslt = FIFOSPI2_popRxQueue(&read_rslt1);
//Configure Activity Threshold 8 LSB, 3 MSB
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_THRESH_ACTL;
command[2] = 0;
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_THRESH_ACTH;
command[2] = 0;
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
//Configure Activity Time Threshold 8 LSB
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_TIME_ACT;
command[2] = 0;
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
//Configure Inactivity Threshold 8 LSB, 3 MSB
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_THRESH_INACTL;
command[2] = 0;
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_THRESH_INACTH;
command[2] = 0;
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
//Configure Inactivity Time 8 LSB, 8 MSB
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_TIME_INACTL;
command[2] = 0;
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_TIME_INACTH;
command[2] = 0;
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
//Configure Activity Control Register
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_ACT_INACT_CTL;
command[2] = 0x00 |
ADXL362_ACT_DISABLE | ADXL362_ACT_DC | ADXL362_INACT_DISABLE |
ADXL362_INACT_DC | ADXL362_ACT_INACT_DEFAULT;
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
//Configure FIFIO Control Register
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_FIFO_CONTROL;
command[2] = 0x00 |
ADXL362_FIFO_MODE_OFF;
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
//Configure FIFIO Samples Register (max # of values to store in FIFO)
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_FIFO_SAMPLES;
command[2] = 0x80;
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
//Configure INT1 Control Register
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_INTMAP1;
command[2] = 0x00 ;
// (ADXL362_INT_DATA_READY) | (ADXL362_INT_FIFO_READY) |
// (ADXL362_INT_FIFO_WATERMARK) | (ADXL362_INT_FIFO_OVERRUN) |
// (ADXL362_INT_ACT) | (ADXL362_INT_INACT) |
// (ADXL362_INT_AWAKE) | (ADXL362_INT_LOW);
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
//Configure INT2 Control Register
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_INTMAP2;
command[2] = 0x00 ;
// (ADXL362_INT_DATA_READY) | (ADXL362_INT_FIFO_READY) |
// (ADXL362_INT_FIFO_WATERMARK) | (ADXL362_INT_FIFO_OVERRUN) |
// (ADXL362_INT_ACT) | (ADXL362_INT_INACT) |
// (ADXL362_INT_AWAKE) | (ADXL362_INT_LOW);
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
//Configure Filter Control Register
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_FILTER_CTL;
command[2] = 0x00 |
ADXL362_RANGE_4G |
(0<<4) | //0.5 bandwidth (rather than 0.25 bandwidth)
// ADXL362_EXT_TRIGGER |
ADXL362_RATE_400; //ODR = 400hz
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
//Configure Power Control Register
command[0] = ADXL362_REG_WRITE;
command[1] = ADXL362_POWER_CTL;
command[2] = 0x00 |
// ADXL362_EXT_CLOCK |
ADXL362_LOW_NOISE2 | //Ultra low noise mode
// ADXL362_SLEEP |
// ADXL362_AUTO_SLEEP |
ADXL362_MEASURE_3D; //Turn on Measurement mode
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
//Read X register
command[0] = ADXL362_REG_READ; //Read
command[1] = ADXL362_XDATA8; //read X-reg
command[2] = 0x00; //fluff for the read
FIFOSPI2_pushTxQueue(command, 3, ADXL362_SLAVE_SELECT_LINE);
//Wait for all data to be sent
while (FIFOSPI2_rxBufferIndex() < (3*16)) {}
//pop all data from stack
i = 0;
while (i < (3*16))
{
func_rslt = FIFOSPI2_popRxQueue(&read_rslt1);
i++;
}
}
void ADXL362_pushReadXYZT()
{
//Burst read
UINT8 read[10];
read[0] = ADXL362_REG_READ; //Read
read[1] = ADXL362_XDATAL; //read X-reg
read[2] = 0x00; //ADXL362_XDATAL
read[3] = 0x00; //ADXL362_XDATAH
read[4] = 0x00; //ADXL362_YDATAL
read[5] = 0x00; //ADXL362_YDATAH
read[6] = 0x00; //ADXL362_ZDATAL
read[7] = 0x00; //ADXL362_ZDATAH
read[8] = 0x00; //ADXL362_TEMPL
read[9] = 0x00; //ADXL362_TEMPH
FIFOSPI2_pushTxQueue(read, 10, ADXL362_SLAVE_SELECT_LINE);
}
void ADXL362_popXYZT()
{
UINT8 func_rslt, fluff;
UINT8 x_msb = 0, x_lsb = 0;
UINT8 y_msb = 0, y_lsb = 0;
UINT8 z_msb = 0, z_lsb = 0;
UINT8 temp_msb = 0, temp_lsb = 0;
short x_16b = 0, y_16b = 0, z_16b= 0, temp_16b = 0;
func_rslt = FIFOSPI2_popRxQueue(&fluff); //fluff
func_rslt = FIFOSPI2_popRxQueue(&fluff); //fluff
func_rslt = FIFOSPI2_popRxQueue(&x_lsb); //ADXL362_XDATAL
func_rslt = FIFOSPI2_popRxQueue(&x_msb); //ADXL362_XDATAH
func_rslt = FIFOSPI2_popRxQueue(&y_lsb); //ADXL362_YDATAL
func_rslt = FIFOSPI2_popRxQueue(&y_msb); //ADXL362_YDATAH
func_rslt = FIFOSPI2_popRxQueue(&z_lsb); //ADXL362_ZDATAL
func_rslt = FIFOSPI2_popRxQueue(&z_msb); //ADXL362_ZDATAH
func_rslt = FIFOSPI2_popRxQueue(&temp_lsb); //ADXL362_TEMPL
func_rslt = FIFOSPI2_popRxQueue(&temp_msb); //ADXL362_TEMPH
x_16b = (x_msb << 8) | x_lsb;
y_16b = (y_msb << 8) | y_lsb;
z_16b = (z_msb << 8) | z_lsb;
temp_16b = (temp_msb << 8) | temp_lsb;
ADXL362_XAcceleration_Raw = -1*x_16b ;
ADXL362_YAcceleration_Raw = y_16b;
ADXL362_ZAcceleration_Raw = z_16b;
ADXL362_Temperature_Raw = temp_16b;
}
void ADXL362_convertXYZT()
{
float G_per_LSB = 0;
float C_per_LSB = 0;
//gravitiys per least significant bit (Check ADXL362 datasheet)
G_per_LSB = 2e-3; //For the +-4g range
//celsius per least significant bit (Check ADXL362 datasheet)
C_per_LSB = 0.065;
ADXL362_XAcceleration = G_per_LSB * (float)ADXL362_XAcceleration_Raw;
ADXL362_YAcceleration = G_per_LSB * (float)ADXL362_YAcceleration_Raw;
ADXL362_ZAcceleration = G_per_LSB * (float)ADXL362_ZAcceleration_Raw;
ADXL362_Temperature = C_per_LSB * (float)ADXL362_Temperature_Raw;
}