i2cscan.sb

//*****************************************************************************
// Project:  RM186 I2C simple scanner
// Copyright (C) 2016 Jose Marcelino - Metavurt Ltd
//
// ATTENTION: This code scans for I2C by reading register 0 at each address
// It may not be accurate and/or cause undesired operation
//*****************************************************************************/


dim handle

// First and last addresses to scan (default 0x3 to 0x77)
dim first : first = 0x3
dim last : last = 0x77

print "RM186 I2C bus Scanner\n"
print "---------------------" 


dim rc : rc=I2cOpen(100000,0,handle)
if rc!= 0 THEN
    print "\nFailed to open I2C interface with error code ";integer.h' rc
else
    print "\nI2C open success \nHandle is "; handle; "\n"
endif

dim i,res,nRegVal
for i=first to last step 1
	//print "\nProbing "; INTEGER.H'i; ":"
	
	res = I2cReadReg8(i, 0, nRegVal)
 	if res == 0 THEN
		print "\nDevice found at address 0x"; INTEGER.H'i
	endif
next

I2cClose(handle)