From 2fe25e584f97bdda3e029cb02b909b1dd0fb2626 Mon Sep 17 00:00:00 2001
From: finga <finga@onders.org>
Date: Fri, 8 Apr 2022 00:15:32 +0200
Subject: [PATCH 1/2] fw-rust: Configure display temperature curve
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Set the temperature compensation curve to -0.11%/°C.
---
 firmware/rust/src/lcd.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/firmware/rust/src/lcd.rs b/firmware/rust/src/lcd.rs
index b088996..9c77a19 100644
--- a/firmware/rust/src/lcd.rs
+++ b/firmware/rust/src/lcd.rs
@@ -35,6 +35,8 @@ impl Lcd {
             0xEE, // (18) Reset Cursor Update Mode
             0x81, // (9)  Set Electronic Volume: Set Contrast
             nb::block!(eeprom::read_byte(&CONTRAST)).unwrap(), // (9)  Set Electronic Volume: Set Contrast
+            0xFA, // (25) Set Adv. Program Control 0: Set Temperature compensation curve to -0.11%/°C
+            0x90, // (25) Set Adv. Program Control 0: Set Temperature compensation curve to -0.11%/°C
             0xAF, // (12) Set Display Enable: Display on
         ];
 

From eb87f77d0a195c55fb09f991eab968454c84e52b Mon Sep 17 00:00:00 2001
From: finga <finga@onders.org>
Date: Fri, 8 Apr 2022 00:19:15 +0200
Subject: [PATCH 2/2] fw-rust: Remove wrap around of values in setup

---
 firmware/rust/src/screen/setup.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/firmware/rust/src/screen/setup.rs b/firmware/rust/src/screen/setup.rs
index a06ee70..91cb2e2 100644
--- a/firmware/rust/src/screen/setup.rs
+++ b/firmware/rust/src/screen/setup.rs
@@ -35,7 +35,7 @@ impl Setup {
             Selection::BacklightEdit => match input {
                 Input::Next => {
                     self.backlight = if self.backlight == u8::MAX {
-                        u8::MIN
+                        u8::MAX
                     } else {
                         self.backlight + 1
                     };
@@ -44,7 +44,7 @@ impl Setup {
                 }
                 Input::Previous => {
                     self.backlight = if self.backlight == u8::MIN {
-                        u8::MAX
+                        u8::MIN
                     } else {
                         self.backlight - 1
                     };
@@ -70,7 +70,7 @@ impl Setup {
             Selection::ContrastEdit => match input {
                 Input::Next => {
                     self.contrast = if self.contrast >= 63 {
-                        u8::MIN
+                        63
                     } else {
                         self.contrast + 1
                     };
@@ -79,7 +79,7 @@ impl Setup {
                 }
                 Input::Previous => {
                     self.contrast = if self.contrast == u8::MIN {
-                        63
+                        u8::MIN
                     } else {
                         self.contrast - 1
                     };