initial commit

1 files changed, 49 insertions, 0 deletions

diff --git a/src/main/java/com/github/jodersky/flow/NativeSerial.java b/src/main/java/com/github/jodersky/flow/NativeSerial.java
new file mode 100644
index 0000000..10a82c9
--- /dev/null
+++ b/src/main/java/com/github/jodersky/flow/NativeSerial.java
@@ -0,0 +1,49 @@
+package com.github.jodersky.flow;
+
+public class NativeSerial {
+	
+	static {
+		System.loadLibrary("flow");
+	}
+	
+	final static int E_PERMISSION = -1;
+	final static int E_OPEN = -2;
+	final static int E_BUSY = -3;
+	final static int E_BAUD = -4;
+	final static int E_PIPE = -5;
+	final static int E_MALLOC = -6;
+	final static int E_POINTER = -7;
+	final static int E_POLL = -8;
+	final static int E_IO = -9;
+	final static int E_CLOSE = -10;
+	
+
+	/* return values:
+	 * 0 ok
+	 * E_PERMISSION don't have permission to open
+	 * E_OPEN can't get file descriptor
+	 * E_BUSY device busy
+	 * E_BAUD invalid baudrate
+	 * E_PIPE can't open pipe for graceful closing
+	 * E_MALLOC malloc error */
+	native static int open(String device, int baud, long[] serial);
+	
+	/* return
+	 * >0 number of bytes read
+	 * E_POINTER invalid serial pointer
+	 * E_POLL poll error
+	 * E_IO read error
+	 * E_CLOSE close request */
+	native static int read(long serial, byte[] buffer);
+	
+	/*return
+	 * >0 number of bytes written
+	 * E_POINTER invalid serial config (null pointer)
+	 * E_IO write error */
+	native static int write(long serial, byte[] buffer);
+	
+	native static void close(long serial);
+	
+	native static void debug(boolean value);
+
+}