bare6_1

examples/rtic_bare6.rs

@@ -55,7 +55,8 @@ const APP: () = {
 
         let rcc = device.RCC.constrain();
 
-        //let _clocks = rcc.cfgr.freeze();
+        let _clocks = rcc.cfgr.freeze();
+        //rprintln!("mhz: {:?}", _clocks.sysclk());
 
         //Set up the system clock. 48 MHz?
         // let _clocks = rcc
@@ -64,12 +65,12 @@ const APP: () = {
         //     .pclk1(24.mhz())
         //     .freeze();
 
-        let _clocks = rcc
-            .cfgr
-            .sysclk(64.mhz())
-            .pclk1(64.mhz())
-            .pclk2(64.mhz())
-            .freeze();
+        // let _clocks = rcc
+        //     .cfgr
+        //     .sysclk(64.mhz())
+        //     .pclk1(64.mhz())
+        //     .pclk2(64.mhz())
+        //     .freeze();
         //
         // let _clocks = rcc
         //     .cfgr
@@ -243,14 +244,17 @@ fn clock_out(rcc: &RCC, gpioc: &GPIOC) {
 //    What is the (default) MCU (SYSCLK) frequency?
 //
 //    ** your answer here **
+//    16 MHz
 //
 //    What is the (default) DWT CYCCNT frequency?
 //      
 //    ** your answer here **
+//    16 MHz
 //
 //    What is the frequency of blinking?
 //
 //    ** your answer here **
+//    8/16 = 0.5 which means we do one turn off and on per second
 //
 //    Commit your answers (bare6_1)
 //