From: Tilman Sauerbeck <tilman@code-monkey.de>
Date: Sun, 17 Nov 2019 20:34:38 +0000 (+0100)
Subject: common: Implement clock::reset().
X-Git-Url: http://git.code-monkey.de/?a=commitdiff_plain;h=427f30b3149afd8423edbd2ecdd59d8097e136c3;p=gps-watch.git

common: Implement clock::reset().

This puts the MCG back into FBE mode.
---

diff --git a/src/common/clock.rs b/src/common/clock.rs
index 3d46016..659e572 100644
--- a/src/common/clock.rs
+++ b/src/common/clock.rs
@@ -164,6 +164,11 @@ pub unsafe fn configure() {
     });
 }
 
+pub unsafe fn reset() {
+    switch_to_pbe();
+    switch_to_fbe();
+}
+
 pub unsafe fn configure_usb() {
     let mut scgc4 = Reg32::new(SIM_SCGC4);
     scgc4.modify(|v| v & !SIM_SCGC4_USBOTG);