mma865x_demo.c File Reference

The mma865x_demo.c file implements the ISSDK MMA865x sensor demo example demonstration with interrupt mode. More...

#include "board.h"
#include "pin_mux.h"
#include "clock_config.h"
#include "Driver_I2C.h"
#include "Driver_USART.h"
#include "issdk_hal.h"
#include "mma865x_drv.h"
#include "gpio_driver.h"
#include "host_io_uart.h"
#include "systick_utils.h"
#include "auto_detection_service.h"

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Go to the source code of this file.

Data Structures
struct	mma865x_acceluserdata_t

Macros
#define	MMA865x_ACCEL_DATA_SIZE   6 /* 2 byte X,Y,Z Axis Data each. */
#define	MMA865x_STREAM_DATA_SIZE   11
#define	APPLICATION_NAME   "MMA8652 Accelerometer Demo"
	Unique Name for this application which should match the target GUI pkg name. More...
#define	APPLICATION_VERSION   "2.5"
	Version to distinguish between instances the same application based on target Shield and updates. More...

Functions
void	mma865x_int_data_ready_callback (void *pUserData)
bool	process_host_command (uint8_t tag, uint8_t *hostCommand, uint8_t *hostResponse, size_t *hostMsgSize, size_t respBufferSize)
int	main (void)
	Main function. More...

Variables
const registerwritelist_t	cMma865xConfigInterrupt []
const registerreadlist_t	cMma865xOutputValues []
const registerreadlist_t	cMma8652qStatus [] = {{.readFrom = MMA865x_INT_SOURCE, .numBytes = 1}, __END_READ_DATA__}
const registerreadlist_t	cMma8652qPLStatus [] = {{.readFrom = MMA865x_PL_STATUS, .numBytes = 1}, __END_READ_DATA__}
char	boardString [ADS_MAX_STRING_LENGTH] = {0}
char	shieldString [ADS_MAX_STRING_LENGTH] = {0}
char	embAppName [ADS_MAX_STRING_LENGTH] = {0}
volatile bool	bStreamingEnabled = false
volatile bool	bMma865xDataReady = false
volatile bool	bMma865xReady = false
uint8_t	gStreamID
int32_t	gSystick
GENERIC_DRIVER_GPIO *	pGpioDriver = &Driver_GPIO_KSDK

Detailed Description

The mma865x_demo.c file implements the ISSDK MMA865x sensor demo example demonstration with interrupt mode.

Definition in file mma865x_demo.c.

Macro Definition Documentation

APPLICATION_NAME

#define APPLICATION_NAME   "MMA8652 Accelerometer Demo"

Unique Name for this application which should match the target GUI pkg name.

Definition at line 45 of file mma865x_demo.c.

Referenced by main().

APPLICATION_VERSION

#define APPLICATION_VERSION   "2.5"

Version to distinguish between instances the same application based on target Shield and updates.

Definition at line 47 of file mma865x_demo.c.

Referenced by main().

MMA865x_ACCEL_DATA_SIZE

#define MMA865x_ACCEL_DATA_SIZE   6 /* 2 byte X,Y,Z Axis Data each. */

Definition at line 41 of file mma865x_demo.c.

Referenced by main().

MMA865x_STREAM_DATA_SIZE

#define MMA865x_STREAM_DATA_SIZE   11

Definition at line 42 of file mma865x_demo.c.

Referenced by main().

Function Documentation

main()

int main

(

void

)

Main function.

Initialize the MCU hardware.

Initialize MMA865x pin used by FRDM board

Initialize RGB LED pin used by FRDM board

Initialize the I2C driver.

Set the I2C Power mode.

Set the I2C bus speed.

Initialize the UART driver.

Set the UART Power mode.

Set UART Baud Rate.

Initialize MMA865x sensor driver.

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

Configure the MMA865x sensor.

Initialize streaming and assign a Stream ID.

Populate streaming header.

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

Read new raw sensor data from the MMA865x.

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

Read INT_SRC 0x0C from MMA865x.

Read PL_STATUS 0x10 from MMA865x.

Definition at line 213 of file mma865x_demo.c.

References mma865x_acceluserdata_t::accel, ADS_MAX_STRING_LENGTH, APPLICATION_NAME, APPLICATION_VERSION, bMma865xDataReady, bMma865xReady, BOARD_BootClockRUN, BOARD_DEBUG_UART_BAUDRATE, BOARD_RunADS(), BOARD_SystickElapsedTime_us(), BOARD_SystickEnable(), boardString, bStreamingEnabled, GENERIC_DRIVER_GPIO::clr_pin, data, mma865x_i2c_sensorhandle_t::deviceInfo, embAppName, GPIO_DIRECTION_IN, GPIO_DIRECTION_OUT, GREEN_LED, gStreamID, gSystick, HOST_FORMAT_HDLC, Host_IO_Add_ISO_Header(), Host_IO_Init(), Host_IO_Receive(), Host_IO_Send(), HOST_S_DRIVER, HOST_S_SIGNAL_EVENT, I2C_S_DEVICE_INDEX, I2C_S_DRIVER, I2C_S_SIGNAL_EVENT, int32_t(), mma865x_acceluserdata_t::intsrc, MMA8652_I2C_ADDR, MMA8652_INT1, MMA8652_WHOAMI_VALUE, MMA865x_ACCEL_DATA_SIZE, MMA865x_I2C_Configure(), MMA865x_I2C_Initialize(), MMA865x_I2C_ReadData(), MMA865x_I2C_SetIdleTask(), mma865x_int_data_ready_callback(), MMA865x_STREAM_DATA_SIZE, mma865x_i2c_sensorhandle_t::pCommDrv, GENERIC_DRIVER_GPIO::pin_init, process_host_command(), rawData, SENSOR_ERROR_NONE, SHIELD_NAME, shieldString, SMC, SMC_SetPowerModeVlpr(), SMC_SetPowerModeWait(), status, STREAMING_HEADER_LEN, streamingPacket, mma865x_acceluserdata_t::timestamp, fxos8700_accelmagdata_t::timestamp, and GENERIC_DRIVER_GPIO::toggle_pin.

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mma865x_int_data_ready_callback()

void mma865x_int_data_ready_callback

(

void *

pUserData

)

Set flag to indicate Sensor has signalled data ready.

Definition at line 124 of file mma865x_demo.c.

References bMma865xDataReady.

Referenced by main().

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process_host_command()

bool process_host_command	(	uint8_t	tag,
		uint8_t *	hostCommand,
		uint8_t *	hostResponse,
		size_t *	hostMsgSize,
		size_t	respBufferSize
	)

Definition at line 130 of file mma865x_demo.c.

References bMma865xReady, BOARD_SystickStart(), boardString, bStreamingEnabled, GENERIC_DRIVER_GPIO::clr_pin, embAppName, GREEN_LED, gStreamID, gSystick, HOST_CMD_START, HOST_CMD_STOP, HOST_MSG_CMD_ACT_OFFSET, HOST_MSG_LEN_LSB_OFFSET, HOST_PRO_CMD_W_CFG_TAG, HOST_PRO_INT_CMD_TAG, HOST_PRO_INT_DEV_TAG, and shieldString.

Referenced by main().

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Variable Documentation

bMma865xDataReady

volatile bool bMma865xDataReady = false

Definition at line 115 of file mma865x_demo.c.

Referenced by main(), and mma865x_int_data_ready_callback().

bMma865xReady

volatile bool bMma865xReady = false

Definition at line 115 of file mma865x_demo.c.

Referenced by main(), and process_host_command().

boardString

char boardString[ADS_MAX_STRING_LENGTH] = {0}

Definition at line 113 of file mma865x_demo.c.

Referenced by main(), and process_host_command().

bStreamingEnabled

volatile bool bStreamingEnabled = false

Definition at line 115 of file mma865x_demo.c.

Referenced by main(), and process_host_command().

cMma8652qPLStatus

const registerreadlist_t cMma8652qPLStatus[] = {{.readFrom = MMA865x_PL_STATUS, .numBytes = 1}, __END_READ_DATA__}

Prepare the register read for PL Status Register.

Definition at line 108 of file mma865x_demo.c.

cMma8652qStatus

const registerreadlist_t cMma8652qStatus[] = {{.readFrom = MMA865x_INT_SOURCE, .numBytes = 1}, __END_READ_DATA__}

Prepare the register read for INT Status Register.

Definition at line 106 of file mma865x_demo.c.

cMma865xConfigInterrupt

const registerwritelist_t cMma865xConfigInterrupt[]

Prepare the register write list to configure MMA865x in non-FIFO and ISR mode.

Definition at line 60 of file mma865x_demo.c.

cMma865xOutputValues

const registerreadlist_t cMma865xOutputValues[]

Initial value:

= {{.readFrom = MMA865x_OUT_X_MSB, .numBytes = MMA865x_ACCEL_DATA_SIZE},
                                                   __END_READ_DATA__}

Prepare the register read list to read the raw Accel data from MMA865x.

Definition at line 103 of file mma865x_demo.c.

embAppName

char embAppName[ADS_MAX_STRING_LENGTH] = {0}

Definition at line 114 of file mma865x_demo.c.

Referenced by main(), and process_host_command().

gStreamID

uint8_t gStreamID

Definition at line 116 of file mma865x_demo.c.

Referenced by main(), and process_host_command().

gSystick

int32_t gSystick

Definition at line 117 of file mma865x_demo.c.

Referenced by main(), and process_host_command().

pGpioDriver

GENERIC_DRIVER_GPIO* pGpioDriver = &Driver_GPIO_KSDK

Definition at line 118 of file mma865x_demo.c.

shieldString

char shieldString[ADS_MAX_STRING_LENGTH] = {0}

Definition at line 113 of file mma865x_demo.c.

Referenced by main(), and process_host_command().