EmberZNet/EM35x/app/Driver/TWI
1. CHG: yes, I can use TWI interrupt routine to w/r data.
EmberZNet/EM35x/app/Driver/TWI
1. CHG: remove delay in twi_wr().
EmberZNet/EM35x/app/Driver/TWI
1. NEW: when TWI speed is 100kbps, TWI need about 300 instruction period to wait for TWI stability, in case TWI paralysis.