From 77af48e5479eb0840977fc6ad16f1b8ad651efd4 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Tue, 30 Nov 2021 13:03:31 -0600
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Fix=20STM32=20FastPWM?=
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---
Marlin/src/HAL/STM32/fast_pwm.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/Marlin/src/HAL/STM32/fast_pwm.cpp b/Marlin/src/HAL/STM32/fast_pwm.cpp
index 4986e138a1..99dc37dd7a 100644
--- a/Marlin/src/HAL/STM32/fast_pwm.cpp
+++ b/Marlin/src/HAL/STM32/fast_pwm.cpp
@@ -74,6 +74,8 @@ void set_pwm_frequency(const pin_t pin, int f_desired) {
PinName pin_name = digitalPinToPinName(pin);
TIM_TypeDef *Instance = (TIM_TypeDef *)pinmap_peripheral(pin_name, PinMap_PWM); // Get HAL timer instance
+ const PinName pin_name = digitalPinToPinName(pin);
+ TIM_TypeDef * const Instance = (TIM_TypeDef *)pinmap_peripheral(pin_name, PinMap_PWM); // Get HAL timer instance
uint32_t index = get_timer_index(Instance);
// Protect used timers
@@ -83,11 +85,11 @@ void set_pwm_frequency(const pin_t pin, int f_desired) {
#endif
) return;
- if (HardwareTimer_Handle[index] == nullptr) // If frequency is set before duty we need to create a handle here.
+ if (HardwareTimer_Handle[index] == nullptr) // If frequency is set before duty we need to create a handle here.
HardwareTimer_Handle[index]->__this = new HardwareTimer((TIM_TypeDef *)pinmap_peripheral(pin_name, PinMap_PWM));
HT = (HardwareTimer *)(HardwareTimer_Handle[index]->__this);
timer_freq[index] = f_desired; // Save the last frequency so duty will not set the default for this timer number.
- HT->setOverflow(f_desired, HERTZ_FORMAT);
+ HT->setOverflow(f_desired, HERTZ_FORMAT);
}
#endif // HAL_STM32