Remove old placeholder.

[bertos.git] / bertos / hw / hw_sipo.h

diff --git a/bertos/hw/hw_sipo.h b/bertos/hw/hw_sipo.h
index 0ac56ba76adaa3f4bce34d11928cc56856f845e7..a5d680ac1688905ac8bf630f7eb6f6d5e5f8d21c 100644 (file)
--- a/bertos/hw/hw_sipo.h
+++ b/bertos/hw/hw_sipo.h
@@ -26,8 +26,8 @@
  * invalidate any other reasons why the executable file might be covered by
  * the GNU General Public License.
  *
- * Copyright 2003, 2004, 2006, 2008 Develer S.r.l. (http://www.develer.com/)
- * Copyright 2000 Bernardo Innocenti <bernie@codewiz.org>
+ * Copyright 2003, 2004, 2006, 2008, 2009 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 2000 Bernie Innocenti <bernie@codewiz.org>
  * All Rights Reserved.
  * -->
  *
@@ -36,6 +36,7 @@
  *
  * \version $Id$
  *
+ * \author Andrea Grandi <andrea@develer.com>
  * \author Daniele Basile <asterix@develer.com>
  */
 
@@ -46,31 +47,72 @@
 
 
 /**
- * Define the procedure to set one bit low/hight to
- * serial input in sipo device.
+ * Mapping sipo connection on board.
+ * See scheme to more info.
  */
-#define SIPO_SI_HIGH()/* Implement me! */
-#define SIPO_SI_LOW() /* Implement me! */
+typedef enum SipoMap {
+
+       /* Add device here */
+
+       SIPO_CNT
+} SipoMap;
+
+
+/**
+ * Define the macros needed to set the serial input bit of SIPO device
+ * low or high.
+ */
+#define SIPO_SI_HIGH() do { /* Implement me! */ } while (0)
+#define SIPO_SI_LOW()  do { /* Implement me! */ } while (0)
 
 /**
  * Drive pin to load the bit, presented in serial-in pin,
  * into sipo shift register.
  */
-#define SIPO_SI_CLOCK() /* Implement me! */
+#define SIPO_SI_CLOCK(clk_pol)
+       do { \
+               /* Implement me! */ \
+               (void)clk_pol; \
+       } while (0)
 
 /**
  * Clock the content of shift register to output.
  */
-#define SIPO_LOAD()   /* Implement me! */
+#define SIPO_LOAD(device, load_pol)  \
+       do { \
+               /* Implement me! */ \
+               (void)device; \
+               (void)load_pol; \
+       } while (0)
 
 /**
  * Enable the shift register output.
  */
 #define SIPO_ENABLE() /* Implement me! */
 
+/**
+ * Set logic level for load signal
+ */
+#define SIPO_SET_LD_LEVEL(device, load_pol) \
+       do { \
+               /* Implement me! */ \
+               (void)device; \
+               (void)load_pol; \
+       } while (0)
+
+
+/**
+ * Sel logic level for clock signal
+ */
+#define SIPO_SET_CLK_LEVEL(clock_pol)  \
+       do { \
+               /* Implement me! */ \
+               (void)clock_pol; \
+       } while (0)
+
 
 /**
- * Do anything that needed to init sipo pins.
+ * Do everything needed in order to init the SIPO pins.
  */
 #define SIPO_INIT_PIN() \
        do { \