Working on bitwise ops for float conversion

1 files changed, 37 insertions, 0 deletions

diff --git a/include/osm/device.h b/include/osm/device.h
index edf9c12..f774179 100644
--- a/include/osm/device.h
+++ b/include/osm/device.h
@@ -1,6 +1,8 @@
 #ifndef OSM_DEVICE_H
 #define OSM_DEVICE_H
 
+#include <stdint.h>
+
 #include <osm/utils.h>
 
 /*
@@ -19,4 +21,39 @@ typedef struct {
 	Vector inputs, outputs;
 } OSMDevice;
 
+// Device datapoint
+
+/// Raw data (rarely used)
+#define OSM_TYPE_RAW    0        ///< Raw data that a script or extrnal program could process
+
+#define OSM_TYPE_BOOL   1        ///< Boolean type
+#define OSM_TYPE_INT    2        ///< Integer type
+#define OSM_TYPE_FLOAT  3        ///< Floating point type
+#define OSM_TYPE_COLOR  4        ///< Color type
+#define OSM_TYPE_SELECT 5        ///< Selection type
+#define OSM_TYPE_TIME   6        ///< Time type (duration)
+#define OSM_TYPE_DATE   7        ///< Date type (exact date/time)
+
+#define OSM_DDF_INPUT   0b0001   ///< This datapoint can be read
+#define OSM_DDF_OUTPUT  0b0010   ///< This datapoint can be written
+#define OSM_DDF_RANGE   0b0100   ///< This datapoint can be interpreted as two values which create a range
+#define OSM_DDF_RANGED  0b1000   ///< This datapoint must be between a certain range
+
+/// The device datapoint 
+typedef struct {
+	uint64_t id;       /// Unique id of the datapoint
+	uint8_t *name;     /// Name of the datapoint in UTF-8
+	uint8_t type;      /// Datatype of datapoint
+	uint8_t flags;     /// Datapoint flags
+} OSMDatapoint;
+
+/// Attempt to read a datapoint from a device
+/// returns nonzero error code on failure
+int osm_read_datapoint(OSMDevice *dev, OSMDatapoint *dat, void *in);
+
+/// Attempt to write a datapoint to a device
+/// returns nonzero error code on failure
+int osm_write_datapoint(OSMDevice *dev, OSMDatapoint *dat, void *out);
+
+
 #endif