From 9c5553fbd041724c09f5e602be4b37f5bc61b1d7 Mon Sep 17 00:00:00 2001
From: Tomasz Kramkowski <tk@the-tk.com>
Date: Sun, 28 May 2017 20:33:43 +0100
Subject: uart: Make the uart module optional

Making the uart module optional makes an -Os compile much smaller.
---
 uart.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'uart.h')

diff --git a/uart.h b/uart.h
index 5ff2d79..b60b250 100644
--- a/uart.h
+++ b/uart.h
@@ -19,10 +19,16 @@
 #ifndef FMK_UART_H
 #define FMK_UART_H
 
+#ifdef WITH_UART
 void uart_setup(void);
 void uart_putchar(int c);
 void uart_printf(const char *fmt, ...);
 void uart_puts(const char *s);
-void uart0_isr(void);
+#else
+static inline void uart_setup(void) { }
+static inline void uart_putchar(int c) { (void)c; }
+static inline void uart_printf(const char *fmt, ...) { (void)fmt; }
+static inline void uart_puts(const char *s) { (void)s; }
+#endif
 
 #endif /* FMK_UART_H */
-- 
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