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| author | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-08-08 18:42:15 +0000 |
|---|---|---|
| committer | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-08-08 18:42:15 +0000 |
| commit | 1e5db5c3aca5f3908415d61dfdcb9763adaa554d (patch) | |
| tree | 53002261ee444c0c7b9a4bf13342c5fb02f549fe | |
| parent | 418bd8f702af43d19173c2f42611c2472081d09e (diff) | |
| download | ChibiOS-1e5db5c3aca5f3908415d61dfdcb9763adaa554d.tar.gz ChibiOS-1e5db5c3aca5f3908415d61dfdcb9763adaa554d.tar.bz2 ChibiOS-1e5db5c3aca5f3908415d61dfdcb9763adaa554d.zip | |
I2C. Removed unneded return.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4545 35acf78f-673a-0410-8e92-d51de3d6d3f4
| -rw-r--r-- | os/hal/platforms/STM32/I2Cv1/i2c_lld.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/os/hal/platforms/STM32/I2Cv1/i2c_lld.c b/os/hal/platforms/STM32/I2Cv1/i2c_lld.c index 08c7ee40b..5c18db706 100644 --- a/os/hal/platforms/STM32/I2Cv1/i2c_lld.c +++ b/os/hal/platforms/STM32/I2Cv1/i2c_lld.c @@ -281,11 +281,9 @@ static void i2c_lld_set_opmode(I2CDriver *i2cp) { *
* @param[in] i2cp pointer to the @p I2CDriver object
*
- * @return Useless value to protect last instruction from
- * optimization out.
* @notapi
*/
-static uint32_t i2c_lld_serve_event_interrupt(I2CDriver *i2cp) {
+static void i2c_lld_serve_event_interrupt(I2CDriver *i2cp) {
I2C_TypeDef *dp = i2cp->i2c;
uint32_t regSR2 = dp->SR2;
uint32_t event = dp->SR1;
@@ -314,7 +312,7 @@ static uint32_t i2c_lld_serve_event_interrupt(I2CDriver *i2cp) { /* Starts "read after write" operation, LSB = 1 -> receive.*/
i2cp->addr |= 0x01;
dp->CR1 |= I2C_CR1_START | I2C_CR1_ACK;
- return regSR2;
+ return;
}
dp->CR2 &= ~I2C_CR2_ITEVTEN;
dp->CR1 |= I2C_CR1_STOP;
@@ -325,8 +323,7 @@ static uint32_t i2c_lld_serve_event_interrupt(I2CDriver *i2cp) { }
/* Clear ADDR flag. */
if (event & (I2C_SR1_ADDR | I2C_SR1_ADD10))
- regSR2 = dp->SR2;
- return regSR2;
+ (void)dp->SR2;
}
/**
|