do_ls() (WIP)

[z180-stamp.git] / include / spi.h

diff --git a/include/spi.h b/include/spi.h
index 6358f62405263e42943043b5cd268ff8c8b14b19..463847631113142a6e5d2b512d31e6a7ec50f37a 100644 (file)
--- a/include/spi.h
+++ b/include/spi.h
@@ -1,8 +1,7 @@
 /*
- * spi.h
+ * (C) Copyright 2009,2014 Leo C. <erbl259-lmu@yahoo.de>
  *
- *  Created on: 17.04.2009
- *      Author: leo
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #ifndef SPI_H_
@@ -33,11 +32,11 @@
 
 #define SPI_OFF()                              do { SPCR = 0; } while(0)
 
-static inline void spi_wait() {
+static inline __attribute__((always_inline)) void spi_wait() {
        loop_until_bit_is_set(SPSR,SPIF);
 }
 
-static inline void spi_write(uint8_t a) {
+static inline __attribute__((always_inline)) void spi_write(uint8_t a) {
        SPDR = a;
 }