I2C. Additional locks added to avoiding system hangups. Some mistypes in comments fixed.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/i2c_dev@2865 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 8 insertions, 1 deletions

diff --git a/os/hal/src/i2c.c b/os/hal/src/i2c.c
index 11d4fccfa..ad9a5d0ac 100644
--- a/os/hal/src/i2c.c
+++ b/os/hal/src/i2c.c
@@ -138,7 +138,9 @@ void i2cMasterStart(I2CDriver *i2cp){
 

   chDbgCheck((i2cp != NULL), "i2cMasterTransmit");

 

+  chSysLock();

   i2c_lld_master_start(i2cp);

+  chSysUnlock();

 }

 

 /**

@@ -149,8 +151,9 @@ void i2cMasterStart(I2CDriver *i2cp){
 void i2cMasterStop(I2CDriver *i2cp){

 

   chDbgCheck((i2cp != NULL), "i2cMasterTransmit");

-

+  chSysLock();

   i2c_lld_master_stop(i2cp);

+  chSysUnlock();

 }

 

 /**

@@ -168,7 +171,9 @@ void i2cMasterTransmit(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg) {
               "i2cMasterTransmit(), #1",

               "not active");

 

+  chSysLock();

   i2c_lld_master_transmit(i2cp, i2cscfg);

+  chSysUnlock();

 }

 

 

@@ -186,7 +191,9 @@ void i2cMasterReceive(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg) {
               "i2cMasterReceive(), #1",

               "not active");

 

+  chSysLock();

   i2c_lld_master_receive(i2cp, i2cscfg);

+  chSysUnlock();

 }