Added SDC detect signal.

diff --git a/firm/sample/simple_mp3_player/os/portconf.h b/firm/sample/simple_mp3_player/os/portconf.h
index c1b7d0e..301873b 100644 (file)
--- a/firm/sample/simple_mp3_player/os/portconf.h
+++ b/firm/sample/simple_mp3_player/os/portconf.h
@@ -37,6 +37,7 @@
 #define PORTCONF_PBBIT_MISO     (1 << 7)
 
 #define PORTCONF_P4BIT_SDCCS    (1 << 0)
+#define PORTCONF_P4BIT_SDCDET   (1 << 1)
 #define PORTCONF_P4BIT_VSCCS    (1 << 2)
 #define PORTCONF_P4BIT_VSDCS    (1 << 3)
 #define PORTCONF_P4BIT_VSDREQ   (1 << 4)
@@ -46,5 +47,10 @@
 #define PORTCONF_P7BIT_SW1      (1 << 0)
 #define PORTCONF_P7BIT_SW2      (1 << 1)
 
+/*
+ * Utilities
+ */
+#define PORTCONF_SDC_DETECT()   (!(*PORTCONF_P4DR & PORTCONF_P4BIT_SDCDET))
+
 #endif