From 7e107e71e24e26cf2bf7169fb8c5283231fa72a5 Mon Sep 17 00:00:00 2001
From: Amit Aryeh Levy <amit@amitlevy.com>
Date: Tue, 29 Mar 2016 14:24:37 -0400
Subject: [PATCH] SAM4L: Use 16Khz AST instead of prescaling down to 1Khz

---
 src/chips/sam4l/ast.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/chips/sam4l/ast.rs b/src/chips/sam4l/ast.rs
index 9dab61da24..cf63f8bd7d 100644
--- a/src/chips/sam4l/ast.rs
+++ b/src/chips/sam4l/ast.rs
@@ -8,7 +8,7 @@
 use core::cell::Cell;
 use core::intrinsics;
 use nvic;
-use hil::alarm::{Alarm, AlarmClient, Freq1Khz};
+use hil::alarm::{Alarm, AlarmClient, Freq16Khz};
 use hil::Controller;
 use chip;
 use pm::{self, PBDClock};
@@ -64,7 +64,7 @@ impl Controller for Ast {
             pm::enable_clock(pm::Clock::PBD(PBDClock::AST));
         }
         self.select_clock(Clock::ClockOsc32);
-        self.set_prescalar(4); // 32Khz / (2^(4 + 1)) = 1Khz
+        self.set_prescalar(0); // 32Khz / (2^(0 + 1)) = 16Khz
         self.enable_alarm_wake();
         self.clear_alarm();
 
@@ -237,7 +237,7 @@ impl Ast {
 
 impl Alarm for Ast {
 
-    type Frequency = Freq1Khz;
+    type Frequency = Freq16Khz;
 
     fn now(&self) -> u32 {
         unsafe {