Enhance Rcc configuration to be more fluentish.

Clean up H7 examples to remove all vegan HALs and PACs.

embassy-stm32/src/rcc/h7/mod.rs

@@ -70,6 +70,84 @@ pub struct Config {
     pub pll3: PllConfig,
 }
 
+impl Config {
+    pub fn sys_ck<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.sys_ck = Some(freq.into());
+        self
+    }
+
+    pub fn per_ck<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.per_ck = Some(freq.into());
+        self
+    }
+
+    pub fn pclk1<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pclk1 = Some(freq.into());
+        self
+    }
+
+    pub fn pclk2<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pclk2 = Some(freq.into());
+        self
+    }
+
+    pub fn pclk3<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pclk3 = Some(freq.into());
+        self
+    }
+
+    pub fn pclk4<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pclk4 = Some(freq.into());
+        self
+    }
+
+    pub fn pll1_p<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pll1.p_ck = Some(freq.into());
+        self
+    }
+
+    pub fn pll1_q<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pll1.q_ck = Some(freq.into());
+        self
+    }
+
+    pub fn pll1_r<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pll1.r_ck = Some(freq.into());
+        self
+    }
+
+    pub fn pll2_p<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pll2.p_ck = Some(freq.into());
+        self
+    }
+
+    pub fn pll2_q<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pll2.q_ck = Some(freq.into());
+        self
+    }
+
+    pub fn pll2_r<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pll2.r_ck = Some(freq.into());
+        self
+    }
+
+    pub fn pll3_p<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pll3.p_ck = Some(freq.into());
+        self
+    }
+
+    pub fn pll3_q<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pll3.q_ck = Some(freq.into());
+        self
+    }
+
+    pub fn pll3_r<T:Into<Hertz>>(mut self, freq: T) -> Self {
+        self.pll3.r_ck = Some(freq.into());
+        self
+    }
+
+}
+
 pub struct Rcc<'d> {
     inner: PhantomData<&'d ()>,
     config: Config,