From 3534921f053bb9ea25413e8b10424ad06ff9b677 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 17 Mar 2012 14:21:45 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4047
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/src/i2s.c | 58 ++++++++++++--------------------------------------------
 1 file changed, 12 insertions(+), 46 deletions(-)

(limited to 'os/hal/src')

diff --git a/os/hal/src/i2s.c b/os/hal/src/i2s.c
index 4eecfffbf..e0c547847 100644
--- a/os/hal/src/i2s.c
+++ b/os/hal/src/i2s.c
@@ -117,75 +117,41 @@ void i2sStop(I2SDriver *i2sp) {
 }
 
 /**
- * @brief   Starts a I2S transmission.
- * @details The transmission is started and it is executes until the specified
- *          buffer has entirely transmitted.
- * @post    A callback is invoked when the buffer has been fully transmitted.
+ * @brief   Starts a I2S data exchange.
  *
  * @param[in] i2sp      pointer to the @p I2SDriver object
- * @param[in] n         number of samples to send
- * @param[in] txbuf     the pointer to the transmit buffer
  *
  * @api
  */
-void i2sStartSendOnce(I2SDriver *i2sp, size_t n,
-                      const i2ssample_t *txbuf) {
+void i2sStartExchange(I2SDriver *i2sp) {
 
-  chDbgCheck((i2sp != NULL) && (n > 0) && (txbuf != NULL),
-             "i2sStartSendOnce");
+  chDbgCheck(i2sp != NULL "i2sStartExchange");
 
   chSysLock();
-  chDbgAssert(i2sp->state == I2S_READY, "i2sStartSendOnce(), #1",
-              "not ready");
-  i2sStartSendOnceI(i2sp, n, txbuf);
+  chDbgAssert(i2sp->state == I2S_READY, "i2sStartExchange(), #1", "not ready");
+  i2sStartExchangeI(i2sp);
   chSysUnlock();
 }
 
 /**
- * @brief   Starts a continuous I2S transmission.
- * @details The transmission is started and it is executes continuously
- *          until @p i2sStopSend() has been explicitly invoked .
- * @post    A callback is invoked when the buffer has been half transmitted
- *          and fully transmitted.
+ * @brief   Stops the ongoing data exchange.
+ * @details The ongoing data exchange, if any, is stopped, if the driver
+ *          was not active the function does nothing.
  *
  * @param[in] i2sp      pointer to the @p I2SDriver object
- * @param[in] n         number of samples to send
- * @param[in] txbuf     the pointer to the transmit buffer
  *
  * @api
  */
-void i2sStartSendContinuous(I2SDriver *i2sp, size_t n,
-                            const i2ssample_t *txbuf) {
+void i2sStopExchange(I2SDriver *i2sp) {
 
-  chDbgCheck((i2sp != NULL) && (n > 0) && (txbuf != NULL),
-             "i2sStartSendContinuous");
-
-  chSysLock();
-  chDbgAssert(i2sp->state == I2S_READY, "i2sStartSendContinuous(), #1",
-              "not ready");
-  i2sStartSendContinuousI(i2sp, n, txbuf);
-  chSysUnlock();
-}
-
-/**
- * @brief   Stops the ongoing transmission.
- * @details The ongoing transmission, if any, is stopped, if the driver
- *          was not transmitting the function does nothing.
- *
- * @param[in] i2sp      pointer to the @p I2SDriver object
- *
- * @api
- */
-void i2sStopSend(I2SDriver *i2sp) {
-
-  chDbgCheck((i2sp != NULL), "i2sStopSend");
+  chDbgCheck((i2sp != NULL), "i2sStopExchange");
 
   chSysLock();
   chDbgAssert((i2sp->state == I2S_READY) ||
               (i2sp->state == I2S_ACTIVE) ||
               (i2sp->state == I2S_COMPLETE),
-              "i2sStopSend(), #1", "not ready");
-  i2sStopSendI(i2sp);
+              "i2sStopExchange(), #1", "not ready");
+  i2sStopExchangeI(i2sp);
   chSysUnlock();
 }
 
-- 
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