firmware support for reading and writing the SD card

[debian/gnuradio] / usrp2 / firmware / lib / memory_map.h

diff --git a/usrp2/firmware/lib/memory_map.h b/usrp2/firmware/lib/memory_map.h
index 7dce59d035a02daa650ca0b6cd2d21cb0b466344..88efcb9ac1aebd6df1a2ba67d7dd5790ab818445 100644 (file)
--- a/usrp2/firmware/lib/memory_map.h
+++ b/usrp2/firmware/lib/memory_map.h
@@ -569,7 +569,7 @@ typedef struct {
 #define SDSPI_BASE  0xEC00
 
 typedef struct {
-  volatile uint32_t status;
+  volatile uint32_t status;  // Write a 1 or 0 for controlling CS
   volatile uint32_t clkdiv;
   volatile uint32_t send_dat;
   volatile uint32_t receive_dat;