The mma9553_pedometer_spi.c file implements the ISSDK MMA9553L sensor driver example demonstration as a Pedometer in SPI Mode. More...

#include "pin_mux.h"
#include "clock_config.h"
#include "board.h"
#include "fsl_lptmr.h"
#include "fsl_debug_console.h"
#include "Driver_SPI.h"
#include "issdk_hal.h"
#include "gpio_driver.h"
#include "mma9553_drv.h"
#include "systick_utils.h"

Include dependency graph for mma9553_pedometer_spi.c:

Go to the source code of this file.

Macros
#define	SAMPLING_RATE_ms (100) /* Timeout for the ODR Timer. */

#define	MMA9553_ACCEL_DATA_SIZE (6) /* 2 byte X,Y,Z Axis Data each. */

#define	mma9553_en_callback LPTMR0_IRQHandler /* Timer timeout Callback. */

#define	MMA9553_SSB_IO3 D10 /* The SSB_IO3 pin of MMA9553 on the FRDM-STBC-SA955x Board. */

#define	RESET_GPIO A3 /* The RESET_GPIO pin of MMA9553 on the FRDM-STBC-SA955x Board. */

Functions
void	mma9553_en_callback (void)

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

Variables
const registercommandlist_t	cMma9553Config30Hz []

const registerreadlist_t	cMma9553ReadRawOutput []

const registercommandlist_t	cMma9553ReadPedometerCommand []

const registerreadlist_t	cMma9553ReadPedometerOutput []

volatile bool	gMma9553DataReady

Detailed Description

The mma9553_pedometer_spi.c file implements the ISSDK MMA9553L sensor driver example demonstration as a Pedometer in SPI Mode.

Definition in file mma9553_pedometer_spi.c.

Macro Definition Documentation

◆ MMA9553_ACCEL_DATA_SIZE

#define MMA9553_ACCEL_DATA_SIZE (6) /* 2 byte X,Y,Z Axis Data each. */

Definition at line 35 of file mma9553_pedometer_spi.c.

◆ mma9553_en_callback

#define mma9553_en_callback LPTMR0_IRQHandler /* Timer timeout Callback. */

Definition at line 36 of file mma9553_pedometer_spi.c.

◆ MMA9553_SSB_IO3

#define MMA9553_SSB_IO3 D10 /* The SSB_IO3 pin of MMA9553 on the FRDM-STBC-SA955x Board. */

Definition at line 37 of file mma9553_pedometer_spi.c.

Referenced by main().

◆ RESET_GPIO

#define RESET_GPIO A3 /* The RESET_GPIO pin of MMA9553 on the FRDM-STBC-SA955x Board. */

Definition at line 38 of file mma9553_pedometer_spi.c.

Referenced by main().

◆ SAMPLING_RATE_ms

#define SAMPLING_RATE_ms (100) /* Timeout for the ODR Timer. */

Definition at line 34 of file mma9553_pedometer_spi.c.

Referenced by main().

Function Documentation

◆ main()

int main ( void )

Main function.

Initialize the MCU hardware

Initialize the SPI driver.

Set the SPI Power mode.

Set the SPI Slave speed.

Initialize the MMA9553 sensor driver.

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

Configure the MMA9553 sensor driver with 30Hz Mode settings.

Read the Pedometer data from the MMA9553.

Read the raw sensor data from the MMA9553.

Definition at line 81 of file mma9553_pedometer_spi.c.

References mma9553_acceldata_t::accel, ASK_USER_TO_RESUME, BOARD_BootClockRUN, BOARD_InitDebugConsole(), BOARD_InitPins(), BOARD_SystickEnable(), gMma9553DataReady, int32_t(), MMA9553_SPI_CommandResponse(), MMA9553_SPI_Configure(), MMA9553_SPI_Initialize(), MMA9553_SPI_SetIdleTask(), MMA9553_SSB_IO3, rawData, RESET_GPIO, SAMPLING_RATE_ms, SENSOR_ERROR_NONE, SMC, SMC_SetPowerModeVlpr(), SPI_S_BAUDRATE, SPI_S_DEVICE_INDEX, SPI_S_DRIVER, SPI_S_SIGNAL_EVENT, and status.

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◆ mma9553_en_callback()

void mma9553_en_callback ( void )

Definition at line 72 of file mma9553_pedometer_spi.c.

References gMma9553DataReady.

Variable Documentation

◆ cMma9553Config30Hz

const registercommandlist_t cMma9553Config30Hz[]

Initial value:

= {
    {SetFSRange_2g, 0, sizeof(SetFSRange_2g)},                     
    {SetSampleRate_30Hz, 0, sizeof(SetSampleRate_30Hz)},           
    {SetAFEPriority_for30Hz, 0, sizeof(SetAFEPriority_for30Hz)},   
    {SetMBoxPriority_for30Hz, 0, sizeof(SetMBoxPriority_for30Hz)}, 
    __END_WRITE_CMD__}