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-rw-r--r--uart.h8
1 files changed, 7 insertions, 1 deletions
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 */