Heart rate sensor MAX30102

[richard]

this i2c sniffer will usually do the job

  
DEFINE I2C_SLOW 1    
      anselA=0        'dig i/o 
      ANSELC=0
      TRISC= %11111111
      TRISA= %11111110  


SCL                 var Portc.1                     ' I2C Clock  PortA.3
SDA                 var Portc.0                     ' I2C Data   PortA.2
I                   VAR BYTE  
addr                var byte
rd                   var byte

    porta.0=1
    DEFINE DEBUG_REG PORTA
    DEFINE DEBUG_BIT 0      ;  if not used for pwr  
    DEFINE DEBUG_BAUD 38400
    DEFINE DEBUG_MODE 0     
    pause 2000
    Debug "Start",13 ,10
   addr=0


for I = $02 to $fe step 2
I2Cread SDA,SCL,i,addr,[rd] ; or I2Cread SDA,SCL,i,[rd] ;
Debug "found addr ",#i , 13,10 
nak:
Next I
end