cannot loopback
uart_transmitter_test.vhd pass
pass loopback.vhd
itof -> uitof, ftoi -> ftoui
pass io_buffer_loopback.vhd
ftoi/itof/floor(passed some tyipical cases)
Merge branch 'wtr816' into developer
loopback.s runs normally
loopback.s run normally at boud rate 115200
Merge branch 'io_feature' into emak
itof/ftoi/floor(passes all cases)
Merge remote-tracking branch 'origin/developer' into emak
make finv.s yousoudan
modified finv.s
modified finv.s
change io specification (see README)
delete some comment outed code
modified finv.s
modified finv.s
modified finv.s