* -->
*
* \brief Generic Serial-in, Parallel-out implementation (SIPO).
- *
- * This module use kfile interface.
*
*
- * \version $Id$
*
* \author Andrea Grandi <andrea@develer.com>
* \author Daniele Basile <asterix@develer.com>
- *
+ *
* $WIZ$ module_name = "sipo"
* $WIZ$ module_depends = "kfile"
- * $WIZ$ module_configuration = ""
- *
+ * $WIZ$ module_hw = "bertos/hw/hw_sipo.h"
*/
#ifndef DRV_SIPO_H
#define DRV_SIPO_H
-#include <kern/kfile.h>
+#include "hw/hw_sipo.h"
+#include "cfg/cfg_sipo.h"
+
+#include <io/kfile.h>
+
+
+/*
+ * The following macros are needed to maintain compatibility with older sipo API.
+ * They can be safely removed once the old API is removed.
+ */
+
+ /**
+ * \addtogroup sipo_api
+ * \{
+ */
+#if COMPILER_C99
+ #define sipo_init(...) PP_CAT(sipo_init ## _, COUNT_PARMS(__VA_ARGS__)) (__VA_ARGS__)
+#else
+ /**
+ * Initialize SIPO module.
+ *
+ * To initialize the module you can write this code:
+ * \code
+ * Sipo ctx;
+ * sipo_init(&ctx, settings);
+ * \endcode
+ */
+ #define sipo_init(args...) PP_CAT(sipo_init ## _, COUNT_PARMS(args)) (args)
+
+#endif
+/**\}*/
+
+
+#define SIPO_DATAORDER_START_LSB 1
+#define SIPO_DATAORDER_START_MSB 0x80
+
+#if !CONFIG_SIPO_DISABLE_OLD_API
+/**
+ * Define enum to set sipo data order.
+ */
+typedef enum SipoBitOrder
+{
+ SIPO_DATAORDER_MSB = 0,
+ SIPO_DATAORDER_LSB = 1
+} SipoBitOrder;
+
+/**
+ * Define enum to set the start level of clock.
+ */
+typedef enum SipoClockPol
+{
+ SIPO_START_LOW = 0,
+ SIPO_START_HIGH = 1
+
+} SipoClkPol;
+
+/**
+ * Define enum to set load signal level.
+ */
+typedef enum SipoLoadPol
+{
+ SIPO_LOW_TO_HIGH = 0,
+ SIPO_HIGH_TO_LOW = 1
+
+} SipoLoadPol;
/**
* Sipo KFile context structure.
*/
typedef struct Sipo
{
- KFile fd; ///< File descriptor.
+ KFile fd; ///< File descriptor.
+ SipoMap load_device; ///< Descriptor of the device that we want drive.
+ SipoLoadPol load_pol; ///< Set polarity of load signal.
+ SipoClkPol clock_pol; ///< Set polarity of data clock.
+ SipoBitOrder bit_order; ///< Set the order of pushed bits in sipo.
+
} Sipo;
+#else /* New api */
+
+#define SIPO_DATAORDER BV(0)
+#define SIPO_DATAORDER_MSB BV(0) ///< MSB sipo data order setting
+#define SIPO_DATAORDER_LSB 0 ///< LSB sipo data order setting
+
+#define SIPO_CLOCK_POL BV(1)
+#define SIPO_START_LOW BV(1) ///< sipo clock start level high setting
+#define SIPO_START_HIGH 0 ///< sipo clock start level low setting
+
+#define SIPO_LOAD_LEV BV(2)
+#define SIPO_LOW_TO_HIGH BV(2) ///< sipo load high signal level setting.
+#define SIPO_HIGH_TO_LOW 0 ///< sipo load low signal level setting.
+
+/**
+ * Sipo KFile context structure.
+ */
+typedef struct Sipo
+{
+ KFile fd; ///< File descriptor.
+ SipoMap device; ///< Descriptor of the device that we want drive.
+ uint8_t settings;
+} Sipo;
+
+#endif
/**
* ID for sipo.
return (Sipo *)fd;
}
-void sipo_init(Sipo *fd);
+void sipo_init_1(Sipo *fd);
+void sipo_init_3(Sipo *fd, SipoMap dev, uint8_t settings);
-#endif // DRV_SIPO_H
+#endif /* DRV_SIPO_H */