move all sha256 code to sha256.c
remove useless libs, fix compile error
more sha256 code
add gen merkle_root code
now we can calculate the merkle root
more generate work code
cb_test1.c: update
sha256 code cleanup
fix the cb_test.c code
prepare for calc_midstate
include the sha256_test.c
now calc_midstate() is working
minor changes
add task register design, protocol
minor changes. some code cleanup
alink initial
twi initial
change ila
add alink twi pwm
Merge branch 'master' of github.com:BitSyncom/mm