X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fhw%2Fhw_sipo.h;h=552d4dd5658f8774ca653252cef9ae4df02cdd86;hb=470f5cb37d5adce8fa5efd0092b2885528d7fb32;hp=0ac56ba76adaa3f4bce34d11928cc56856f845e7;hpb=083645700424a51aa1a8d8cc24bcdae45e627f18;p=bertos.git

diff --git a/bertos/hw/hw_sipo.h b/bertos/hw/hw_sipo.h
index 0ac56ba7..552d4dd5 100644
--- a/bertos/hw/hw_sipo.h
+++ b/bertos/hw/hw_sipo.h
@@ -26,55 +26,83 @@
  * 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.
  * -->
  *
  * \brief Macro for HW_SIPO_H
  *
  *
- * \version $Id$
  *
+ * \author Andrea Grandi <andrea@develer.com>
  * \author Daniele Basile <asterix@develer.com>
  */
 
 #ifndef HW_SIPO_H
 #define HW_SIPO_H
 
-#warning TODO:This is an example implementation, you must implement it!
+/**
+ * Map sipo connection on board.
+ */
+typedef enum SipoMap
+{
+	SIPO_CNT
+} SipoMap;
+
+/**
+ * Define generic macro to set pins logic level
+ */
+#define SIPO_SET_LEVEL_LOW(dev)    do { /* Implement me! */   } while (0)
+#define SIPO_SET_LEVEL_HIGH(dev)   do { /* Implement me! */   } while (0)
+
+
+/**
+ * Generate one low pulse on select line.
+ */
+#define PULSE_LOW(dev)    do { /* Implement me! */   } while (0)
+
+/**
+ * Generate one hight pulse on select line.
+ */
+#define PULSE_HIGH(dev)     do { /* Implement me! */   } while (0)
 
 
 /**
- * Define the procedure to set one bit low/hight to
- * serial input in sipo device.
+ * Define the procedure to drive serial input in sipo device (SI).
  */
-#define SIPO_SI_HIGH()/* Implement me! */
-#define SIPO_SI_LOW() /* Implement me! */
+#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.
+ * Drive clock to shift SI data into latch.
  */
-#define SIPO_SI_CLOCK() /* Implement me! */
+#define SIPO_SI_CLOCK(clk_pol) \
+	do { \
+		(void)clk_pol; \
+		/* Implement me! */ \
+	} while (0)
 
 /**
- * Clock the content of shift register to output.
+ * Do everything needed in order to load dato into sipo.
  */
-#define SIPO_LOAD()   /* Implement me! */
+#define SIPO_LOAD(device, load_pol)   do { /* Implement me! */   } while (0)
 
 /**
  * Enable the shift register output.
  */
-#define SIPO_ENABLE() /* Implement me! */
+#define SIPO_ENABLE()             do { /* Implement me! */   } while (0)
 
+/**
+ * Set polarity for Load, Clk, SI signals.
+ */
+#define SIPO_SET_LD_LEVEL(device, load_pol)  do { /* Implement me! */   } while (0)
+#define SIPO_SET_CLK_LEVEL(clock_pol)        do { /* Implement me! */   } while (0)
+#define SIPO_SET_SI_LEVEL()       do { /* Implement me! */   } while (0)
 
 /**
  * Do anything that needed to init sipo pins.
  */
-#define SIPO_INIT_PIN() \
-	do { \
-		/* Implement me! */ \
-	} while(0)
+#define SIPO_INIT_PIN()           do { /* Implement me! */   } while (0)
 
 #endif /* HW_SIPO_H */