Non-blocking runtime functions for the VL53L1X. More...

#include "vl53l1x_nonblocking.h"
#include <assert.h>

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Functions
static bool	VL53L1_NonBlocking_WriteMulti (VL53L1_DEV dev, uint16_t index, uint8_t *pdata, uint32_t count)

static bool	VL53L1_NonBlocking_ReadMulti (VL53L1_DEV dev, uint16_t index, uint8_t *pdata, uint32_t count)

bool	VL53L1X_NonBlocking_CheckForDataReady (VL53L1_DEV dev, uint8_t *isDataReady)
	This function checks if the new ranging data is available by polling the dedicated register. More...

bool	VL53L1X_NonBlocking_GetRangeStatus (VL53L1_DEV dev, uint8_t *rangeStatus)
	This function returns the range status to discard wrong measurments. More...

bool	VL53L1X_NonBlocking_GetDistance (VL53L1_DEV dev, uint16_t *distance)
	This function returns the distance measured by the sensor in mm. More...

bool	VL53L1X_NonBlocking_ClearInterrupt (VL53L1_DEV dev)
	This function clears the interrupt, to be called after a ranging data reading to arm the interrupt for the next data ready event. More...

bool	VL53L1X_NonBlocking_ReadDataEvent (VL53L1_DEV dev, uint16_t distance_mm, bool new_data)
	Implement non-blocking read sequence The data reading actually starts when the read_state is set to VL53L1_READ_DATA_READY using VL53L1X_NonBlocking_RequestData() More...

bool	VL53L1X_NonBlocking_IsIdle (VL53L1_DEV dev)
	Test is read status is on idle. More...

bool	VL53L1X_NonBlocking_RequestData (VL53L1_DEV dev)
	Request a new reading. More...

Variables
static const uint8_t	status_rtn [24]

Detailed Description

Non-blocking runtime functions for the VL53L1X.

These functions are adapted from vl53l1x_api.c to use the non-blocking version of I2C functions.

Definition in file vl53l1x_nonblocking.c.

Function Documentation

static bool VL53L1_NonBlocking_ReadMulti	(	VL53L1_DEV	dev,
		uint16_t	index,
		uint8_t *	pdata,
		uint32_t	count
	)

static

Definition at line 64 of file vl53l1x_nonblocking.c.

References i2c_transaction::buf, I2C_BUF_LEN, VL53L1_Dev_t::i2c_p, VL53L1_Dev_t::NonBlocking::i2c_state, VL53L1_Dev_t::i2c_trans, i2c_transceive(), I2CTransFailed, I2CTransSuccess, VL53L1_Dev_t::nonblocking, i2c_transaction::slave_addr, and i2c_transaction::status.

Referenced by VL53L1X_NonBlocking_CheckForDataReady(), VL53L1X_NonBlocking_GetDistance(), and VL53L1X_NonBlocking_GetRangeStatus().

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static bool VL53L1_NonBlocking_WriteMulti	(	VL53L1_DEV	dev,
		uint16_t	index,
		uint8_t *	pdata,
		uint32_t	count
	)

static

Definition at line 39 of file vl53l1x_nonblocking.c.

References i2c_transaction::buf, I2C_BUF_LEN, VL53L1_Dev_t::i2c_p, VL53L1_Dev_t::NonBlocking::i2c_state, VL53L1_Dev_t::i2c_trans, i2c_transmit(), I2CTransFailed, I2CTransSuccess, VL53L1_Dev_t::nonblocking, i2c_transaction::slave_addr, and i2c_transaction::status.

Referenced by VL53L1X_NonBlocking_ClearInterrupt().

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bool VL53L1X_NonBlocking_CheckForDataReady	(	VL53L1_DEV	dev,
		uint8_t *	isDataReady
	)

This function checks if the new ranging data is available by polling the dedicated register.

Parameters

isDataReady==0 -> not ready; isDataReady==1 -> ready

Returns: : TRUE upon completion

Definition at line 89 of file vl53l1x_nonblocking.c.

References GPIO__TIO_HV_STATUS, GPIO_HV_MUX__CTRL, VL53L1_Dev_t::NonBlocking::IntPol, VL53L1_Dev_t::nonblocking, VL53L1_Dev_t::NonBlocking::state, and VL53L1_NonBlocking_ReadMulti().

Referenced by VL53L1X_NonBlocking_ReadDataEvent().

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bool VL53L1X_NonBlocking_ClearInterrupt ( VL53L1_DEV dev )

This function clears the interrupt, to be called after a ranging data reading to arm the interrupt for the next data ready event.

Returns: : TRUE upon completion

Definition at line 138 of file vl53l1x_nonblocking.c.

References SYSTEM__INTERRUPT_CLEAR, and VL53L1_NonBlocking_WriteMulti().

Referenced by VL53L1X_NonBlocking_ReadDataEvent().

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bool VL53L1X_NonBlocking_GetDistance	(	VL53L1_DEV	dev,
		uint16_t *	distance
	)

This function returns the distance measured by the sensor in mm.

Returns: : TRUE upon completion

Definition at line 128 of file vl53l1x_nonblocking.c.

References VL53L1_NonBlocking_ReadMulti(), and VL53L1_RESULT__FINAL_CROSSTALK_CORRECTED_RANGE_MM_SD0.

Referenced by VL53L1X_NonBlocking_ReadDataEvent().

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bool VL53L1X_NonBlocking_GetRangeStatus	(	VL53L1_DEV	dev,
		uint8_t *	rangeStatus
	)

This function returns the range status to discard wrong measurments.

Parameters

rangeStatus (0:no error, 1:sigma failed, 2:signal failed, ..., 7:wrap-around)

Returns: : TRUE upon completion

Definition at line 115 of file vl53l1x_nonblocking.c.

References status_rtn, VL53L1_NonBlocking_ReadMulti(), and VL53L1_RESULT__RANGE_STATUS.

Referenced by VL53L1X_NonBlocking_ReadDataEvent().

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bool VL53L1X_NonBlocking_IsIdle ( VL53L1_DEV dev )

Test is read status is on idle.

Returns: : TRUE if idle

Definition at line 190 of file vl53l1x_nonblocking.c.

References VL53L1_Dev_t::read_status, and VL53L1_READ_IDLE.

Referenced by multi_ranger_periodic(), and sonar_vl53l1x_read().

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bool VL53L1X_NonBlocking_ReadDataEvent	(	VL53L1_DEV	dev,
		uint16_t *	distance_mm,
		bool *	new_data
	)

Implement non-blocking read sequence The data reading actually starts when the read_state is set to VL53L1_READ_DATA_READY using VL53L1X_NonBlocking_RequestData()

Parameters

	distance measurement in millimeter
	flag when a new data is available

Returns: : TRUE when a complete read sequence is finished

Definition at line 144 of file vl53l1x_nonblocking.c.

References VL53L1_Dev_t::read_status, VL53L1_CLEAR_INT, VL53L1_READ_DATA_READY, VL53L1_READ_DISTANCE, VL53L1_READ_IDLE, VL53L1_READ_STATUS, VL53L1X_NonBlocking_CheckForDataReady(), VL53L1X_NonBlocking_ClearInterrupt(), VL53L1X_NonBlocking_GetDistance(), and VL53L1X_NonBlocking_GetRangeStatus().

Referenced by multi_ranger_read(), and sonar_vl53l1x_event().

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bool VL53L1X_NonBlocking_RequestData ( VL53L1_DEV dev )

Request a new reading.

Returns: : TRUE if request successful

Definition at line 195 of file vl53l1x_nonblocking.c.

References VL53L1_Dev_t::read_status, and VL53L1_READ_DATA_READY.

Referenced by multi_ranger_periodic(), and sonar_vl53l1x_read().

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Variable Documentation

const uint8_t status_rtn[24]

static

Initial value:

= { 255, 255, 255, 5, 2, 4, 1, 7, 3, 0,
                                        255, 255, 9, 13, 255, 255, 255, 255, 10, 6,
                                        255, 255, 11, 12
                                      }

Definition at line 34 of file vl53l1x_nonblocking.c.

Referenced by VL53L1X_NonBlocking_GetRangeStatus().

Functions

Variables

Detailed Description

Function Documentation

Variable Documentation