diff options
Diffstat (limited to 'os')
| -rw-r--r-- | os/hal/include/icu.h | 11 | ||||
| -rw-r--r-- | os/hal/platforms/STM32/icu_lld.c | 10 | ||||
| -rw-r--r-- | os/hal/platforms/STM32/icu_lld.h | 4 | ||||
| -rw-r--r-- | os/hal/templates/icu_lld.h | 8 |
4 files changed, 32 insertions, 1 deletions
diff --git a/os/hal/include/icu.h b/os/hal/include/icu.h index 99cfc4e3c..15a9b2380 100644 --- a/os/hal/include/icu.h +++ b/os/hal/include/icu.h @@ -157,6 +157,17 @@ typedef void (*icucallback_t)(ICUDriver *icup); if (previous_state != ICU_WAITING) \
(icup)->config->period_cb(icup); \
}
+
+/**
+ * @brief Common ISR code, ICU timer overflow event.
+ *
+ * @param[in] icup pointer to the @p ICUDriver object
+ *
+ * @notapi
+ */
+#define _icu_isr_invoke_overflow_cb(icup) { \
+ (icup)->config->overflow_cb(icup); \
+}
/** @} */
/*===========================================================================*/
diff --git a/os/hal/platforms/STM32/icu_lld.c b/os/hal/platforms/STM32/icu_lld.c index 2bfffd3bd..849241c2b 100644 --- a/os/hal/platforms/STM32/icu_lld.c +++ b/os/hal/platforms/STM32/icu_lld.c @@ -17,6 +17,10 @@ You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/*
+ Concepts and parts of this file have been contributed by Fabio Utzig and
+ Xo Wang.
+ */
/**
* @file STM32/icu_lld.c
@@ -112,6 +116,8 @@ static void icu_lld_serve_interrupt(ICUDriver *icup) { if ((sr & TIM_SR_CC2IF) != 0)
_icu_isr_invoke_period_cb(icup);
}
+ if ((sr & TIM_SR_UIF) != 0)
+ _icu_isr_invoke_overflow_cb(icup);
}
/*===========================================================================*/
@@ -482,7 +488,7 @@ void icu_lld_stop(ICUDriver *icup) { */
void icu_lld_enable(ICUDriver *icup) {
- icup->tim->SR = 0; /* Clear pending IRQs (if any). */
+ icup->tim->SR = 0; /* Clear pending IRQs (if any). */
if (icup->config->channel == ICU_CHANNEL_1) {
if (icup->config->period_cb != NULL)
icup->tim->DIER |= TIM_DIER_CC1IE;
@@ -494,6 +500,8 @@ void icu_lld_enable(ICUDriver *icup) { if (icup->config->period_cb != NULL)
icup->tim->DIER |= TIM_DIER_CC2IE;
}
+ if (icup->config->overflow_cb != NULL)
+ icup->tim->DIER |= TIM_DIER_UIE;
icup->tim->CR1 = TIM_CR1_URS | TIM_CR1_CEN;
}
diff --git a/os/hal/platforms/STM32/icu_lld.h b/os/hal/platforms/STM32/icu_lld.h index 642de2a64..691b06a71 100644 --- a/os/hal/platforms/STM32/icu_lld.h +++ b/os/hal/platforms/STM32/icu_lld.h @@ -227,6 +227,10 @@ typedef struct { * @brief Callback for cycle period measurement.
*/
icucallback_t period_cb;
+ /**
+ * @brief Callback for timer overflow.
+ */
+ icucallback_t overflow_cb;
/* End of the mandatory fields.*/
/**
* @brief Timer input channel to be used.
diff --git a/os/hal/templates/icu_lld.h b/os/hal/templates/icu_lld.h index 4b0568102..56ce3af98 100644 --- a/os/hal/templates/icu_lld.h +++ b/os/hal/templates/icu_lld.h @@ -17,6 +17,10 @@ You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/*
+ Concepts and parts of this file have been contributed by Fabio Utzig and
+ Xo Wang.
+ */
/**
* @file templates/icu_lld.h
@@ -88,6 +92,10 @@ typedef struct { * @brief Callback for cycle period measurement.
*/
icucallback_t period_cb;
+ /**
+ * @brief Callback for timer overflow.
+ */
+ icucallback_t overflow_cb;
/* End of the mandatory fields.*/
} ICUConfig;
|