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| author | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-12-09 10:22:41 +0000 |
|---|---|---|
| committer | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-12-09 10:22:41 +0000 |
| commit | 28cb4b4849c6e124baed09bdb4753d7b87a47483 (patch) | |
| tree | 3bb38b043d1e4c677ebcfd5b5fbe5182b3c1ca5f /os/hal/src/i2c.c | |
| parent | 8196de6aef7616f7df96d757dddc9cfa9eb661dc (diff) | |
| download | ChibiOS-28cb4b4849c6e124baed09bdb4753d7b87a47483.tar.gz ChibiOS-28cb4b4849c6e124baed09bdb4753d7b87a47483.tar.bz2 ChibiOS-28cb4b4849c6e124baed09bdb4753d7b87a47483.zip | |
I2C. Added forgotten check of BUSY flag.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3587 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/src/i2c.c')
| -rw-r--r-- | os/hal/src/i2c.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/os/hal/src/i2c.c b/os/hal/src/i2c.c index f7f7c335e..c67f3a8c6 100644 --- a/os/hal/src/i2c.c +++ b/os/hal/src/i2c.c @@ -168,6 +168,8 @@ msg_t i2cMasterTransmit(I2CDriver *i2cp, ((rxbytes == 0) || ((rxbytes > 0) && (rxbuf != NULL))) &&
(timeout > TIME_IMMEDIATE) && (errors != NULL),
"i2cMasterTransmit");
+
+ i2c_lld_wait_bus_free(i2cp);
i2cp->errors = I2CD_NO_ERROR; /* clear error flags from previous run */
chDbgAssert(i2cp->id_state == I2C_READY,
"i2cMasterTransmit(), #1", "not ready");
@@ -209,6 +211,8 @@ msg_t i2cMasterReceive(I2CDriver *i2cp, (rxbytes > 0) && (rxbuf != NULL) &&
(timeout > TIME_IMMEDIATE) && (errors != NULL),
"i2cMasterReceive");
+
+ i2c_lld_wait_bus_free(i2cp);
i2cp->errors = I2CD_NO_ERROR; /* clear error flags from previous run */
chDbgAssert(i2cp->id_state == I2C_READY,
"i2cMasterReceive(), #1", "not ready");
|