X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=libserialport.h.in;h=12e9cba3a5556ae468f1957d4f36e2aff0304b31;hb=fd8fd11a4e60a06b0d15f2c31df18752ee2d3563;hp=264c7db8ca496c69d4ee87a9a199ce46c2919606;hpb=20e63a77b58073e2dacdd85857a4f78b807a055c;p=libserialport.git

diff --git a/libserialport.h.in b/libserialport.h.in
index 264c7db..12e9cba 100644
--- a/libserialport.h.in
+++ b/libserialport.h.in
@@ -101,14 +101,24 @@ enum sp_return {
 
 /** Port access modes. */
 enum sp_mode {
-	/** Open port for read/write access. */
-	SP_MODE_RDWR = 1,
-	/** Open port for read access only. */
-	SP_MODE_RDONLY = 2,
+	/** Open port for read access. */
+	SP_MODE_READ = 1,
+	/** Open port for write access. */
+	SP_MODE_WRITE = 2,
 	/** Open port in non-blocking mode. */
 	SP_MODE_NONBLOCK = 4,
 };
 
+/** Buffer selection. */
+enum sp_buffer {
+	/** Input buffer. */
+	SP_BUF_INPUT = 1,
+	/** Output buffer. */
+	SP_BUF_OUTPUT = 2,
+	/** Both buffers. */
+	SP_BUF_BOTH = 3,
+};
+
 /** Parity settings. */
 enum sp_parity {
 	/** Special value to indicate setting should be left alone. */
@@ -506,12 +516,14 @@ enum sp_return sp_read(struct sp_port *port, void *buf, size_t count);
 enum sp_return sp_write(struct sp_port *port, const void *buf, size_t count);
 
 /**
- * Flush serial port buffers.
+ * Flush serial port buffers. Data in the selected buffer(s) is discarded.
+ *
+ * @param buffers Which buffer(s) to flush.
  *
  * @return SP_OK on success, SP_ERR_FAIL on failure, or SP_ERR_ARG
  *         if an invalid port is passed.
  */
-enum sp_return sp_flush(struct sp_port *port);
+enum sp_return sp_flush(struct sp_port *port, enum sp_buffer buffers);
 
 /**
  * @}