fifo interface

1 files changed, 25 insertions, 0 deletions

diff --git a/kernel/fifo.h b/kernel/fifo.h
new file mode 100644
index 0000000..bae7d57
--- /dev/null
+++ b/kernel/fifo.h
@@ -0,0 +1,25 @@
+// SIMPLE FIFO DRIVER
+
+
+#ifndef FIFO_H
+#define FIFO_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef struct fifo_struct
+{
+    bool	(*put)(struct fifo_stuct*,uint8_t);
+    uint8_t	(*get)(struct fifo_struct*);	    
+    bool	(*has)(struct fifo_struct*);
+
+    void *data; // opaque! can be a vt52 or a ringbuffer..
+
+}fifo;
+
+bool fifo_put(fifo*,uint8_t);
+uint8_t fifo_get(fifo*);
+bool fifo_has(fifo*);
+
+
+#endif