X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fhw%2Fhw_sipo.h;h=552d4dd5658f8774ca653252cef9ae4df02cdd86;hb=c50c518c2dfe5529750d50f477b840f0b4338074;hp=ad02c57e0ed75cd139b17d9c112fce17405fd4bc;hpb=e423e63cade618baf616a79b99aaab5de74ec76e;p=bertos.git

diff --git a/bertos/hw/hw_sipo.h b/bertos/hw/hw_sipo.h
index ad02c57e..552d4dd5 100644
--- a/bertos/hw/hw_sipo.h
+++ b/bertos/hw/hw_sipo.h
@@ -34,7 +34,6 @@
  * \brief Macro for HW_SIPO_H
  *
  *
- * \version $Id$
  *
  * \author Andrea Grandi <andrea@develer.com>
  * \author Daniele Basile <asterix@develer.com>
@@ -43,39 +42,67 @@
 #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 macros needed to set the serial input bit of SIPO device
- * low or high.
+ * Define the procedure to drive serial input in sipo device (SI).
  */
-#define SIPO_SI_HIGH() do { /* Implement me! */ } while (0)
-#define SIPO_SI_LOW()  do { /* Implement me! */ } while (0)
+#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 everything needed in order to init the SIPO pins.
+ * 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 */