Move disabling brown-out code to power subsystem

flix/flix.ino

@@ -18,8 +18,8 @@ extern float motors[4];
 void setup() {
 	Serial.begin(115200);
 	print("Initializing flix\n");
-	disableBrownOut();
 	setupParameters();
+	setupPower();
 	setupLED();
 	setLED(true);
 	setupMotors();

flix/power.ino

@@ -3,6 +3,8 @@
 
 // Power management
 
+#include <soc/soc.h>
+#include <soc/rtc_cntl_reg.h>
 #include "lpf.h"
 #include "util.h"
 
@@ -11,6 +13,11 @@ LowPassFilter<float> voltageFilter(0.2);
 int voltagePin = -1;
 float voltageScale = 2;
 
+void setupPower() {
+	// Disable reset on low voltage
+	REG_CLR_BIT(RTC_CNTL_BROWN_OUT_REG, RTC_CNTL_BROWN_OUT_ENA);
+}
+
 void readVoltage() {
 	if (voltagePin < 0) return;
 	static Rate rate(10);

flix/util.h

@@ -6,8 +6,6 @@
 #pragma once
 
 #include <math.h>
-#include <soc/soc.h>
-#include <soc/rtc_cntl_reg.h>
 
 const float ONE_G = 9.80665;
 extern float t;
@@ -35,11 +33,6 @@ float wrapAngle(float angle) {
 	return angle;
 }
 
-// Disable reset on low voltage
-void disableBrownOut() {
-	REG_CLR_BIT(RTC_CNTL_BROWN_OUT_REG, RTC_CNTL_BROWN_OUT_ENA);
-}
-
 // Trim and split string by spaces
 void splitString(String& str, String& token0, String& token1, String& token2) {
 	str.trim();

gazebo/soc/soc.h

@@ -1,4 +1,3 @@
 // Dummy file to make it possible to compile simulator with Flix' util.h
 
-#define WRITE_PERI_REG(addr, val) {}
 #define REG_CLR_BIT(_r, _b) {}