test: add _embdemo print test

2025-09-02 18:27:59 +08:00
parent 82bb6e84d0
commit 5a4c83ef85
3 changed files with 143 additions and 0 deletions
--- a/_embdemo/hello/uart.go
+++ b/_embdemo/hello/uart.go
@@ -0,0 +1,4 @@
+package main
+
+//go:linkname WriteByte C.board_uart_write_char
+func WriteByte(b byte)