Add missing spi.h.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2019-12-03 13:33:40 +09:00
parent 07d1911c2b
commit 2de23d5fd6
2 changed files with 4 additions and 0 deletions
--- a/contrib/spi.h
+++ b/contrib/spi.h
@@ -0,0 +1,3 @@
+int spi_init (void);
+void spi_send (uint16_t data);
+uint16_t spi_recv (void);