antmerlino commented on a change in pull request #3488:
URL: https://github.com/apache/incubator-nuttx/pull/3488#discussion_r835726071
##########
File path: arch/arm/src/stm32h7/stm32_tim.c
##########
@@ -487,6 +500,64 @@ static void stm32_tim_disable(FAR struct stm32_tim_dev_s
*dev)
stm32_putreg16(dev, STM32_GTIM_CR1_OFFSET, val);
}
+/****************************************************************************
+ * Name: stm32_tim_getwidth
+ ****************************************************************************/
+
+static int stm32_tim_getwidth(FAR struct stm32_tim_dev_s *dev)
+{
+ /* Only TIM2 and TIM5 timers may be 32-bits in width */
+
+ switch (((struct stm32_tim_priv_s *)dev)->base)
+ {
+#if defined(CONFIG_STM32H7_TIM2)
+ case STM32_TIM2_BASE:
+ return 32;
+#endif
+
+#if defined(CONFIG_STM32H7_TIM5)
+ case STM32_TIM5_BASE:
+ return 32;
+#endif
+
+ /* All others are 16-bit times */
+
+ default:
+ return 16;
+ }
+}
+
+/****************************************************************************
+ * Name: stm32_tim_getcounter
+ ****************************************************************************/
+
+static uint32_t stm32_tim_getcounter(FAR struct stm32_tim_dev_s *dev)
+{
+ DEBUGASSERT(dev != NULL);
+ return stm32_tim_getwidth(dev) > 16 ?
+ stm32_getreg32(dev, STM32_BTIM_CNT_OFFSET) :
+ (uint32_t)stm32_getreg16(dev, STM32_BTIM_CNT_OFFSET);
Review comment:
I didn't write this, it existed before, and I don't want to mess with
it, so I'm going to leave it.
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