diff options
Diffstat (limited to 'os/hal/platforms/STM32/icu_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/icu_lld.c | 52 |
1 files changed, 51 insertions, 1 deletions
diff --git a/os/hal/platforms/STM32/icu_lld.c b/os/hal/platforms/STM32/icu_lld.c index ccf70bb70..2e3c4334b 100644 --- a/os/hal/platforms/STM32/icu_lld.c +++ b/os/hal/platforms/STM32/icu_lld.c @@ -87,6 +87,14 @@ ICUDriver ICUD5; ICUDriver ICUD8;
#endif
+/**
+ * @brief ICUD9 driver identifier.
+ * @note The driver ICUD9 allocates the timer TIM9 when enabled.
+ */
+#if STM32_ICU_USE_TIM9 || defined(__DOXYGEN__)
+ICUDriver ICUD9;
+#endif
+
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
@@ -297,6 +305,28 @@ CH_IRQ_HANDLER(STM32_TIM8_CC_HANDLER) { }
#endif /* STM32_ICU_USE_TIM8 */
+#if STM32_ICU_USE_TIM9
+#if !defined(STM32_TIM9_HANDLER)
+#error "STM32_TIM9_HANDLER not defined"
+#endif
+/**
+ * @brief TIM9 interrupt handler.
+ * @note It is assumed that the various sources are only activated if the
+ * associated callback pointer is not equal to @p NULL in order to not
+ * perform an extra check in a potentially critical interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(STM32_TIM9_HANDLER) {
+
+ CH_IRQ_PROLOGUE();
+
+ icu_lld_serve_interrupt(&ICUD9);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif /* STM32_ICU_USE_TIM9 */
+
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
@@ -343,6 +373,12 @@ void icu_lld_init(void) { icuObjectInit(&ICUD8);
ICUD8.tim = STM32_TIM8;
#endif
+
+#if STM32_ICU_USE_TIM9
+ /* Driver initialization.*/
+ icuObjectInit(&ICUD9);
+ ICUD9.tim = STM32_TIM9;
+#endif
}
/**
@@ -399,7 +435,6 @@ void icu_lld_start(ICUDriver *icup) { icup->clock = STM32_TIMCLK1;
}
#endif
-
#if STM32_ICU_USE_TIM5
if (&ICUD5 == icup) {
rccEnableTIM5(FALSE);
@@ -420,6 +455,15 @@ void icu_lld_start(ICUDriver *icup) { icup->clock = STM32_TIMCLK2;
}
#endif
+#if STM32_ICU_USE_TIM9
+ if (&ICUD9 == icup) {
+ rccEnableTIM9(FALSE);
+ rccResetTIM9();
+ nvicEnableVector(STM32_TIM9_NUMBER,
+ CORTEX_PRIORITY_MASK(STM32_ICU_TIM9_IRQ_PRIORITY));
+ icup->clock = STM32_TIMCLK1;
+ }
+#endif
}
else {
/* Driver re-configuration scenario, it must be stopped first.*/
@@ -541,6 +585,12 @@ void icu_lld_stop(ICUDriver *icup) { rccDisableTIM8(FALSE);
}
#endif
+#if STM32_ICU_USE_TIM9
+ if (&ICUD9 == icup) {
+ nvicDisableVector(STM32_TIM9_NUMBER);
+ rccDisableTIM9(FALSE);
+ }
+#endif
}
}
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