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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2015-11-01 10:56:12 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2015-11-01 10:56:12 +0000 |
| commit | ca59ce3238108443bf04729f717f9c37d3472937 (patch) | |
| tree | ce0ed5bac16f8ffa0164958f4067396c2c2e84cd /os/hal/src | |
| parent | 61509a21dee90992110a310734db5744a1c01b45 (diff) | |
| download | ChibiOS-ca59ce3238108443bf04729f717f9c37d3472937.tar.gz ChibiOS-ca59ce3238108443bf04729f717f9c37d3472937.tar.bz2 ChibiOS-ca59ce3238108443bf04729f717f9c37d3472937.zip | |
Fixed bug #659.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8415 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/src')
| -rw-r--r-- | os/hal/src/serial.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/os/hal/src/serial.c b/os/hal/src/serial.c index 4b3111412..609e5a348 100644 --- a/os/hal/src/serial.c +++ b/os/hal/src/serial.c @@ -234,6 +234,55 @@ msg_t sdRequestDataI(SerialDriver *sdp) { return b;
}
+/**
+ * @brief Direct output check on a @p SerialDriver.
+ * @note This function bypasses the indirect access to the channel and
+ * checks directly the output queue. This is faster but cannot
+ * be used to check different channels implementations.
+ *
+ * @param[in] sdp pointer to a @p SerialDriver structure
+ * @return The queue status.
+ * @retval false if the next write operation would not block.
+ * @retval true if the next write operation would block.
+ *
+ * @deprecated
+ *
+ * @api
+ */
+bool sdPutWouldBlock(SerialDriver *sdp) {
+ bool b;
+
+ osalSysLock();
+ b = oqIsFullI(&sdp->oqueue);
+ osalSysUnlock();
+
+ return b;
+}
+
+/**
+ * @brief Direct input check on a @p SerialDriver.
+ * @note This function bypasses the indirect access to the channel and
+ * checks directly the input queue. This is faster but cannot
+ * be used to check different channels implementations.
+ *
+ * @return The queue status.
+ * @retval false if the next write operation would not block.
+ * @retval true if the next write operation would block.
+ *
+ * @deprecated
+ *
+ * @api
+ */
+bool sdGetWouldBlock(SerialDriver *sdp) {
+ bool b;
+
+ osalSysLock();
+ b = iqIsEmptyI(&sdp->iqueue);
+ osalSysUnlock();
+
+ return b;
+}
+
#endif /* HAL_USE_SERIAL == TRUE */
/** @} */
|