The mma9553_pedometer_interrupt.c file implements the ISSDK MMA9553L sensor driver example demonstration as a Pedometer in I2C Mode with Interrupts. More...

#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 "mma9553_drv.h"
#include "gpio_driver.h"
#include "systick_utils.h"

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

#define	MMA9553_INT_O A0 /* The INT_O pin of MMA9553 on the FRDM-STBC-SA955x Board. */

Functions
void	mma9553_int_data_ready_callback (void *pUserData)

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

Variables
const registercommandlist_t	cMma9553Config30Hz []

const registerreadlist_t	cMma9553ReadRawOutput []

const registercommandlist_t	cMma9553ReadPedometerCommand []

const registercommandlist_t	cMma9553EnableInterruptCommand []

const registerreadlist_t	cMma9553ReadPedometerOutput []

volatile bool	gMma9553DataReady

Detailed Description

The mma9553_pedometer_interrupt.c file implements the ISSDK MMA9553L sensor driver example demonstration as a Pedometer in I2C Mode with Interrupts.

Definition in file mma9553_pedometer_interrupt.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 33 of file mma9553_pedometer_interrupt.c.

◆ MMA9553_INT_O

#define MMA9553_INT_O A0 /* The INT_O pin of MMA9553 on the FRDM-STBC-SA955x Board. */

Definition at line 34 of file mma9553_pedometer_interrupt.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 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.

MMA9553_I2C_Configure sets the part to Legacy Mode. To enable MMA9553_INT_O interrupt for MMA9553 we need to override this by setting Legacy+AFE Sampling Interrupt.

Clear the data ready flag, it will be set again by the ISR.

Read the Pedometer data from the MMA9553.

Read the raw sensor data from the MMA9553.

Definition at line 80 of file mma9553_pedometer_interrupt.c.

References mma9553_acceldata_t::accel, ASK_USER_TO_RESUME, BOARD_BootClockRUN, BOARD_InitDebugConsole(), BOARD_InitPins(), BOARD_SystickEnable(), Driver_GPIO_KSDK, gMma9553DataReady, GPIO_DIRECTION_IN, GPIO_DIRECTION_OUT, GREEN_LED, I2C_S_DEVICE_INDEX, I2C_S_DRIVER, I2C_S_SIGNAL_EVENT, I2Cdrv, int32_t(), MMA9553_I2C_ADDR, MMA9553_I2C_CommandResponse(), MMA9553_I2C_Configure(), MMA9553_I2C_Initialize(), MMA9553_I2C_SetIdleTask(), mma9553_int_data_ready_callback(), MMA9553_INT_O, pGpioDriver, GENERIC_DRIVER_GPIO::pin_init, rawData, SENSOR_ERROR_NONE, SMC, SMC_SetPowerModeVlpr(), SMC_SetPowerModeWait(), status, and GENERIC_DRIVER_GPIO::toggle_pin.

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◆ mma9553_int_data_ready_callback()

void mma9553_int_data_ready_callback ( void * pUserData )

Definition at line 72 of file mma9553_pedometer_interrupt.c.

References gMma9553DataReady.

Referenced by main().

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Variable Documentation

◆ cMma9553Config30Hz

const registercommandlist_t cMma9553Config30Hz[]

Initial value:

= {
    {SetFSRange_2g, 0, sizeof(SetFSRange_2g)},                   
    {SetSampleRate_3Hz, 0, sizeof(SetSampleRate_3Hz)},           
    {SetAFEPriority_for3Hz, 0, sizeof(SetAFEPriority_for3Hz)},   
    {SetMBoxPriority_for3Hz, 0, sizeof(SetMBoxPriority_for3Hz)}, 
    __END_WRITE_CMD__}