Add function to show an byte ( for debugging the i2c-bus )
- add si2cShowByte this function blink an led
Simplify slave asm
Add a new file si2cSlave.S wich includes all necessary slave-asm files
Add si2csam.S which holds global functions
Handle NACK for Addressing
Small fixes
- si2cRadByte: Use now the global function scl_wait_high/scl_wait_low
- si2cWaitInit: clean the file and rename sda_wait_ini to sda_wait_init