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Diffstat (limited to 'nuttx/arch/avr/src/common/up_initialize.c')
-rw-r--r--nuttx/arch/avr/src/common/up_initialize.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/nuttx/arch/avr/src/common/up_initialize.c b/nuttx/arch/avr/src/common/up_initialize.c
index fde474ec6..abbff8532 100644
--- a/nuttx/arch/avr/src/common/up_initialize.c
+++ b/nuttx/arch/avr/src/common/up_initialize.c
@@ -51,6 +51,19 @@
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
+/* Determine which (if any) console driver to use. This will probably cause
+ * up_serialinit to be incorrectly called if there is no USART configured to
+ * be an RS-232 device (see as an example arch/avr/src/at32uc23/at32uc3_config.h)
+ * This will probably have to be revisited someday.
+ */
+
+#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE)
+# undef CONFIG_USE_SERIALDRIVER
+# undef CONFIG_USE_EARLYSERIALINIT
+#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
+# define CONFIG_USE_SERIALDRIVER 1
+# define CONFIG_USE_EARLYSERIALINIT 1
+#endif
/****************************************************************************
* Private Types