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risc-v/esp32-c3/rttimer: Disable alarm before setting a new value and enabling it

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This commit is contained in:
Sara Souza
2021-09-28 18:13:14 -03:00
committed by Gustavo Henrique Nihei
parent 38fa30ee2a
commit 33f2d46bff
1 changed files with 3 additions and 0 deletions
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arch/risc-v/src/esp32c3/esp32c3_rt_timer.c
+3
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@@ -169,6 +169,7 @@ static void start_rt_timer(struct rt_timer_s *timer,
{ {
/* Reset the hardware timer alarm */ /* Reset the hardware timer alarm */
ESP32C3_TIM_SETALRM(priv->timer, false);
ESP32C3_TIM_SETALRVL(priv->timer, USEC_TO_CYCLES(timer->alarm)); ESP32C3_TIM_SETALRVL(priv->timer, USEC_TO_CYCLES(timer->alarm));
ESP32C3_TIM_SETALRM(priv->timer, true); ESP32C3_TIM_SETALRM(priv->timer, true);
} }
@@ -242,6 +243,7 @@ static void stop_rt_timer(struct rt_timer_s *timer)
list); list);
alarm = next_timer->alarm; alarm = next_timer->alarm;
ESP32C3_TIM_SETALRM(priv->timer, false);
ESP32C3_TIM_SETALRVL(priv->timer, USEC_TO_CYCLES(alarm)); ESP32C3_TIM_SETALRVL(priv->timer, USEC_TO_CYCLES(alarm));
ESP32C3_TIM_SETALRM(priv->timer, true); ESP32C3_TIM_SETALRM(priv->timer, true);
} }
@@ -463,6 +465,7 @@ static int rt_timer_isr(int irq, void *context, void *arg)
struct rt_timer_s, list); struct rt_timer_s, list);
alarm = timer->alarm; alarm = timer->alarm;
ESP32C3_TIM_SETALRM(priv->timer, false);
ESP32C3_TIM_SETALRVL(priv->timer, USEC_TO_CYCLES(alarm)); ESP32C3_TIM_SETALRVL(priv->timer, USEC_TO_CYCLES(alarm));
} }
} }