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Diffstat (limited to 'os/hal/platforms/STM32/i2c_lld.c')
-rw-r--r--os/hal/platforms/STM32/i2c_lld.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32/i2c_lld.c b/os/hal/platforms/STM32/i2c_lld.c
index 9038d351f..d10cb4031 100644
--- a/os/hal/platforms/STM32/i2c_lld.c
+++ b/os/hal/platforms/STM32/i2c_lld.c
@@ -721,8 +721,10 @@ void i2c_lld_master_transmit(I2CDriver *i2cp, uint16_t slave_addr,
#else
chDbgAssert(!(i2cp->flags & I2C_FLG_TIMER_ARMED), "i2c_lld_master_transmit(), #1", "time to STOP is out");
if ((i2cp->id_i2c->CR1 & I2C_CR1_STOP) && i2cp->timer != NULL && i2cp->timer_cfg != NULL){
+ chSysLockFromIsr();
gptStartOneShotI(i2cp->timer, I2C_STOP_GPT_TIMEOUT);
i2cp->flags |= I2C_FLG_TIMER_ARMED;
+ chSysUnlockFromIsr();
return;
}
#endif /* STM32_I2C_I2C1_USE_POLLING_WAIT */
@@ -779,8 +781,10 @@ void i2c_lld_master_receive(I2CDriver *i2cp, uint16_t slave_addr,
#else
chDbgAssert(!(i2cp->flags & I2C_FLG_TIMER_ARMED), "i2c_lld_master_receive(), #1", "time to STOP is out");
if ((i2cp->id_i2c->CR1 & I2C_CR1_STOP) && i2cp->timer != NULL && i2cp->timer_cfg != NULL){
+ chSysLockFromIsr();
gptStartOneShotI(i2cp->timer, I2C_STOP_GPT_TIMEOUT);
i2cp->flags |= I2C_FLG_TIMER_ARMED;
+ chSysUnlockFromIsr();
return;
}
#endif /* STM32_I2C_I2C1_USE_POLLING_WAIT */
@@ -845,8 +849,10 @@ void i2c_lld_master_transceive(I2CDriver *i2cp){
#else
chDbgAssert(!(i2cp->flags & I2C_FLG_TIMER_ARMED), "i2c_lld_master_transceive(), #1", "time to START is out");
if ((i2cp->id_i2c->CR1 & I2C_CR1_START) && i2cp->timer != NULL && i2cp->timer_cfg != NULL){
+ chSysLockFromIsr();
gptStartOneShotI(i2cp->timer, I2C_START_GPT_TIMEOUT);
i2cp->flags |= I2C_FLG_TIMER_ARMED;
+ chSysUnlockFromIsr();
return;
}
#endif /* STM32_I2C_I2C1_USE_POLLING_WAIT */