Fix timer9 pclk and ppre

Author: thalesfragoso

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Changed
 
 - Wait 16 cycles after setting prescalers for some clock domains to follow manual.
+- Fixed `TIM9` `pclk` and `ppre`.
 
 ### Added
 

src/pwm.rs

@@ -135,13 +135,14 @@ macro_rules! pwm_all_channels {
                 T: Into<Hertz>,
             {
                 {
-                    //NOTE(unsafe) this reference will only be used for atomic writes with no side effects
-                    let rcc = unsafe {&(*RCC::ptr())};
-
-                    // Enable and reset the timer peripheral, it's the same bit position for both registers
-                    bb::set(&rcc.$apbenr, $bit);
-                    bb::set(&rcc.$apbrstr, $bit);
-                    bb::clear(&rcc.$apbrstr, $bit);
+                    unsafe {
+                        //NOTE(unsafe) this reference will only be used for atomic writes with no side effects
+                        let rcc = &(*RCC::ptr());
+                        // Enable and reset the timer peripheral, it's the same bit position for both registers
+                        bb::set(&rcc.$apbenr, $bit);
+                        bb::set(&rcc.$apbrstr, $bit);
+                        bb::clear(&rcc.$apbrstr, $bit);
+                    }
                 }
                 if PINS::C1 {
                     tim.ccmr1_output()
@@ -320,13 +321,14 @@ macro_rules! pwm_2_channels {
                 T: Into<Hertz>,
             {
                 {
-                    //NOTE(unsafe) this reference will only be used for atomic writes with no side effects
-                    let rcc = unsafe {&(*RCC::ptr())};
-
-                    // Enable and reset the timer peripheral, it's the same bit position for both registers
-                    bb::set(&rcc.$apbenr, $bit);
-                    bb::set(&rcc.$apbrstr, $bit);
-                    bb::clear(&rcc.$apbrstr, $bit);
+                    unsafe {
+                        //NOTE(unsafe) this reference will only be used for atomic writes with no side effects
+                        let rcc = &(*RCC::ptr());
+                        // Enable and reset the timer peripheral, it's the same bit position for both registers
+                        bb::set(&rcc.$apbenr, $bit);
+                        bb::set(&rcc.$apbrstr, $bit);
+                        bb::clear(&rcc.$apbrstr, $bit);
+                    }
                 }
                 if PINS::C1 {
                     //NOTE(unsafe) 6 is a valid value to write to oc1m
@@ -438,13 +440,14 @@ macro_rules! pwm_1_channel {
                 T: Into<Hertz>,
             {
                 {
-                    //NOTE(unsafe) this reference will only be used for atomic writes with no side effects
-                    let rcc = unsafe {&(*RCC::ptr())};
-
-                    // Enable and reset the timer peripheral, it's the same bit position for both registers
-                    bb::set(&rcc.$apbenr, $bit);
-                    bb::set(&rcc.$apbrstr, $bit);
-                    bb::clear(&rcc.$apbrstr, $bit);
+                    unsafe {
+                        //NOTE(unsafe) this reference will only be used for atomic writes with no side effects
+                        let rcc = &(*RCC::ptr());
+                        // Enable and reset the timer peripheral, it's the same bit position for both registers
+                        bb::set(&rcc.$apbenr, $bit);
+                        bb::set(&rcc.$apbrstr, $bit);
+                        bb::clear(&rcc.$apbrstr, $bit);
+                    }
                 }
                 if PINS::C1 {
                     //NOTE(unsafe) 6 is a valid value to write to oc1m
@@ -521,13 +524,14 @@ macro_rules! pwm_tim5_f410 {
                 T: Into<Hertz>,
             {
                 {
-                    //NOTE(unsafe) this reference will only be used for atomic writes with no side effects
-                    let rcc = unsafe {&(*RCC::ptr())};
-
-                    // Enable and reset the timer peripheral, it's the same bit position for both registers
-                    bb::set(&rcc.$apbenr, $bit);
-                    bb::set(&rcc.$apbrstr, $bit);
-                    bb::clear(&rcc.$apbrstr, $bit);
+                    unsafe {
+                        //NOTE(unsafe) this reference will only be used for atomic writes with no side effects
+                        let rcc = &(*RCC::ptr());
+                        // Enable and reset the timer peripheral, it's the same bit position for both registers
+                        bb::set(&rcc.$apbenr, $bit);
+                        bb::set(&rcc.$apbrstr, $bit);
+                        bb::clear(&rcc.$apbrstr, $bit);
+                    }
                 }
                 if PINS::C1 {
                     tim.ccmr1_output()

src/timer.rs

@@ -301,7 +301,7 @@ macro_rules! hal {
 hal! {
     TIM1: (tim1, tim1en, tim1rst, apb2enr, apb2rstr, pclk2, ppre2),
     TIM5: (tim5, tim5en, tim5rst, apb1enr, apb1rstr, pclk1, ppre1),
-    TIM9: (tim9, tim9en, tim9rst, apb2enr, apb2rstr, pclk1, ppre1),
+    TIM9: (tim9, tim9en, tim9rst, apb2enr, apb2rstr, pclk2, ppre2),
     TIM11: (tim11, tim11en, tim11rst, apb2enr, apb2rstr, pclk2, ppre2),
 }