fxos8700_fifo.c File Reference

#include "pin_mux.h"
#include "clock_config.h"
#include "board.h"
#include "fsl_debug_console.h"
#include "Driver_I2C.h"
#include "issdk_hal.h"
#include "fxos8700_drv.h"

Include dependency graph for fxos8700_fifo.c:

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Macros
#define	FIFO_SIZE   4
	The watermark value configured for FXAS21002 FIFO Buffer. More...
#define	RAW_ACCEL_DATA_SIZE   (6)

Functions
int	main (void)
	Main function. More...

Variables
const registerwritelist_t	fxos8700_Config_with_Fifo []
const registerreadlist_t	FXOS8700_STATUS_READ [] = {{.readFrom = FXOS8700_STATUS, .numBytes = 1}, __END_READ_DATA__}
const registerreadlist_t	FXOS8700_ACCEL_FIFO_READ []

Macro Definition Documentation

FIFO_SIZE

#define FIFO_SIZE   4

The watermark value configured for FXAS21002 FIFO Buffer.

Definition at line 35 of file fxos8700_fifo.c.

Referenced by main().

RAW_ACCEL_DATA_SIZE

#define RAW_ACCEL_DATA_SIZE   (6)

Definition at line 36 of file fxos8700_fifo.c.

Referenced by main().

Function Documentation

main()

int main

(

void

)

Main function.

Initialize the MCU hardware.

Initialize the I2C driver.

Set the I2C Power mode.

Set the I2C bus speed.

Initialize the FXOS8700 sensor driver.

Set the task to be executed while waiting for I2C transactions to complete.

Configure the fxos8700 sensor driver.

Wait for the FIFO watermark event.

Read the raw sensor data from the fxos8700.

Convert the raw sensor data to signed 16-bit container for display to the debug port.

Definition at line 64 of file fxos8700_fifo.c.

References fxos8700_accelmagdata_t::accel, ASK_USER_TO_RESUME, BOARD_BootClockRUN, BOARD_InitDebugConsole(), BOARD_InitPins(), data, FIFO_SIZE, FXOS8700_F_STATUS_F_WMRK_FLAG_MASK, FXOS8700_I2C_ADDR, FXOS8700_I2C_Configure(), FXOS8700_I2C_Initialize(), FXOS8700_I2C_ReadData(), FXOS8700_WHO_AM_I_PROD_VALUE, I2C_S_DEVICE_INDEX, I2C_S_DRIVER, I2C_S_SIGNAL_EVENT, I2Cdrv, int32_t(), RAW_ACCEL_DATA_SIZE, rawData, SENSOR_ERROR_NONE, and status.

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Variable Documentation

FXOS8700_ACCEL_FIFO_READ

const registerreadlist_t FXOS8700_ACCEL_FIFO_READ[]

Initial value:

= {
    {.readFrom = FXOS8700_OUT_X_MSB, .numBytes = RAW_ACCEL_DATA_SIZE * FIFO_SIZE}, __END_READ_DATA__}

Command definition to read the FIFO_SIZE Bytes of Accel Data

Definition at line 55 of file fxos8700_fifo.c.

fxos8700_Config_with_Fifo

const registerwritelist_t fxos8700_Config_with_Fifo[]

Initial value:

= {
    
    
    {FXOS8700_CTRL_REG1, FXOS8700_CTRL_REG1_DR_SINGLE_12P5_HZ, FXOS8700_CTRL_REG1_DR_MASK},
    
    {FXOS8700_F_SETUP, FXOS8700_F_SETUP_F_MODE_FIFO_STOP_OVF | (FIFO_SIZE << FXOS8700_F_SETUP_F_WMRK_SHIFT),
     FXOS8700_F_SETUP_F_MODE_MASK | FXOS8700_F_SETUP_F_WMRK_MASK},
    __END_WRITE_DATA__}

Prepare the register write list to configure FXOS8700 in FIFO mode.

Definition at line 42 of file fxos8700_fifo.c.

FXOS8700_STATUS_READ

const registerreadlist_t FXOS8700_STATUS_READ[] = {{.readFrom = FXOS8700_STATUS, .numBytes = 1}, __END_READ_DATA__}

Command definition to read the Data Ready Status

Definition at line 52 of file fxos8700_fifo.c.