Allow any STM usart to be used for stdio

[fw/altos] / src / stm / ao_arch.h

diff --git a/src/stm/ao_arch.h b/src/stm/ao_arch.h
index 61e62f5dc703b3bcec1877c31b188ccf9adef475..55976c89830ac088a493442f3d4421e7cc92e867 100644 (file)
--- a/src/stm/ao_arch.h
+++ b/src/stm/ao_arch.h
@@ -161,5 +161,7 @@ void ao_lcd_font_init(void);
 
 void ao_lcd_font_string(char *s);
 
+#define USE_SERIAL_STDIN       (USE_SERIAL_1_STDIN + USE_SERIAL_2_STDIN + USE_SERIAL_3_STDIN)
+
 #endif /* _AO_ARCH_H_ */