AN4545 datasheet(21/27 Pages) STMICROELECTRONICS

21 / 27 page

DocID026571 Rev 1

21/27

AN4545

Example code

///////////////////////////////////////////////////////////////////

int VL6180X_Init() {

char reset;

reset = ReadByte(0x016);

if (

reset==1){

// check to see has it be Initialised already

///////////////////////////////////////////////////////////////////

// Added latest settings here - see Section 8

///////////////////////////////////////////////////////////////////

WriteByte(0x016, 0x00); //change fresh out of set status to 0

}

return

}

///////////////////////////////////////////////////////////////////

// Start a range measurement in single shot mode

///////////////////////////////////////////////////////////////////

int VL6180X_Start_Range() {

WriteByte(0x018,0x01);

return

}

///////////////////////////////////////////////////////////////////

// poll for new sample ready ready

///////////////////////////////////////////////////////////////////

int VL6180X_Poll_Range() {

char status;

char range_status;

// check the status

status = ReadByte(0x04f);

range_status = status & 0x07;

// wait for new measurement ready status

while (

range_status !=

0x04) {

status = ReadByte(0x04f);

range_status = status & 0x07;

wait_ms(1); // (can be removed)

}

return

}

///////////////////////////////////////////////////////////////////

// Read range result (mm)

///////////////////////////////////////////////////////////////////

int VL6180X_Read_Range() {

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