Step two write to the registers:
This code first reads the value in the interrupt mask register (0000_0000 default) then writes 1001_1001 to it then reads it again to see the value changed Note the reading of the register is for debug purposes not needed in final code.
Regards Paul.
[code:1:a6b93c381c]
'debug code
I2cstart ' Generate start code write
I2cwbyte &H3A ' send address write
I2cwbyte &H03 ' register address in ADC128 see data sheet
I2cstop 'stop buss
' Now start buss again and read the byte/s from register location previously sent
I2cstart 'start buss
I2cwbyte &H3B ' Generate start code read
I2crbyte Adc128l , Ack 'for two bytes
'I2crbyte Adc128h , Nack 'get value from register
I2cstop 'stop buss
'Print Bin(adc128h)
Print "1>>" ; Bin(adc128l) 'show default
'----------------------------------------
'the wanted code
I2cstart ' Generate start code write
I2cwbyte &H3A ' send address write
'interrupt mask register
I2cwbyte &H03 ' register address in ADC128 see data sheet
I2cwbyte &B1001_1001 'write value to register
I2cstop 'stop buss
'--------------------------------------------
'debug code
I2cstart ' Generate start code write
I2cwbyte &H3A ' send address write
I2cwbyte &H03 ' register address in ADC128 see data sheet
I2cstop 'stop buss
' Now start buss again and read the byte/s from register location previously sent
I2cstart 'start buss
I2cwbyte &H3B ' Generate start code read
I2crbyte Adc128l , Ack 'for two bytes
'I2crbyte Adc128h , Nack 'get value from register
I2cstop 'stop buss
'Print Bin(adc128h)
Print "2>>>" ; Bin(adc128l) 'show new value
[/code:1:a6b93c381c]
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