From fbc15b4bd2a82d2f2f726834a14c144548c47c6e Mon Sep 17 00:00:00 2001
From: Matthew Kennedy <matthewkennedy@outlook.com>
Date: Wed, 16 Jan 2019 05:24:37 -0800
Subject: [PATCH] const (#675)

---
 firmware/controllers/core/interpolation.cpp | 2 +-
 firmware/controllers/core/interpolation.h   | 2 +-
 firmware/controllers/system/efiGpio.cpp     | 4 ++--
 firmware/controllers/system/efiGpio.h       | 6 +++---
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/firmware/controllers/core/interpolation.cpp b/firmware/controllers/core/interpolation.cpp
index c016efdcbc..5984481a28 100644
--- a/firmware/controllers/core/interpolation.cpp
+++ b/firmware/controllers/core/interpolation.cpp
@@ -238,7 +238,7 @@ int findIndex(const float array[], int size, float value) {
 /**
  * @brief	One-dimensional table lookup with linear interpolation
  */
-float interpolate2d(const char *msg, float value, float bin[], float values[], int size) {
+float interpolate2d(const char *msg, float value, const float bin[], const float values[], int size) {
 	if (isnan(value)) {
 		firmwareError(CUSTOM_INTERPOLATE_NAN, "NaN in interpolate2d %s", msg);
 		return NAN;
diff --git a/firmware/controllers/core/interpolation.h b/firmware/controllers/core/interpolation.h
index c09e334e62..1d6f85b626 100644
--- a/firmware/controllers/core/interpolation.h
+++ b/firmware/controllers/core/interpolation.h
@@ -26,7 +26,7 @@ void ensureArrayIsAscending(const char *msg, const float array[], int size);
 int findIndex2(const float array[], unsigned size, float value);
 float interpolateClamped(float x1, float y1, float x2, float y2, float x);
 float interpolateMsg(const char *msg, float x1, float y1, float x2, float y2, float x);
-float interpolate2d(const char *msg, float value, float bin[], float values[], int size);
+float interpolate2d(const char *msg, float value, const float bin[], const float values[], int size);
 
 int needInterpolationLogging(void);
 
diff --git a/firmware/controllers/system/efiGpio.cpp b/firmware/controllers/system/efiGpio.cpp
index cb02c7915a..60a7c1ffa5 100644
--- a/firmware/controllers/system/efiGpio.cpp
+++ b/firmware/controllers/system/efiGpio.cpp
@@ -305,7 +305,7 @@ bool OutputPin::getLogicValue() {
 	return currentLogicValue;
 }
 
-void OutputPin::setDefaultPinState(pin_output_mode_e *outputMode) {
+void OutputPin::setDefaultPinState(const pin_output_mode_e *outputMode) {
 	pin_output_mode_e mode = *outputMode;
 	assertOMode(mode);
 	this->modePtr = outputMode;
@@ -369,7 +369,7 @@ void OutputPin::initPin(const char *msg, brain_pin_e brainPin) {
 	initPin(msg, brainPin, &DEFAULT_OUTPUT);
 }
 
-void OutputPin::initPin(const char *msg, brain_pin_e brainPin, pin_output_mode_e *outputMode) {
+void OutputPin::initPin(const char *msg, brain_pin_e brainPin, const pin_output_mode_e *outputMode) {
 #if EFI_GPIO_HARDWARE || defined(__DOXYGEN__)
 	if (brainPin == GPIO_UNASSIGNED)
 		return;
diff --git a/firmware/controllers/system/efiGpio.h b/firmware/controllers/system/efiGpio.h
index 5a3483641c..165cd2b5d2 100644
--- a/firmware/controllers/system/efiGpio.h
+++ b/firmware/controllers/system/efiGpio.h
@@ -30,7 +30,7 @@ public:
 	/**
 	 * initializes pin & registers it in pin repository
 	 */
-	void initPin(const char *msg, brain_pin_e brainPin, pin_output_mode_e *outputMode);
+	void initPin(const char *msg, brain_pin_e brainPin, const pin_output_mode_e *outputMode);
 	/**
 	 * same as above, with DEFAULT_OUTPUT mode
 	 */
@@ -58,10 +58,10 @@ public:
 	 */
 private:
 	// todo: inline this method?
-	void setDefaultPinState(pin_output_mode_e *defaultState);
+	void setDefaultPinState(const pin_output_mode_e *defaultState);
 
 	// 4 byte pointer is a bit of a memory waste here
-	pin_output_mode_e *modePtr;
+	const pin_output_mode_e *modePtr;
 };