print to uart0 [note: always printed on screen through DMA]
-rw-r--r-- 756 Makefile
drwxr-xr-x - include
-rw-r--r-- 240 link.ld
-rw-r--r-- 1339 main.c
-rw-r--r-- 274 start.asm
-rw-r--r-- 2478 uart.c