From 0b98f50a12be72af558e05bf9afc4fb58f60bed6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niccol=C3=B2=20Izzo?= <izzo.niccolo@gmail.com>
Date: Thu, 28 Jan 2021 12:52:10 +0100
Subject: [PATCH] Add absolute knob positioning and horizontal keys emulation

---
 openrtx/src/ui/ui.c                      |  2 +-
 platform/drivers/keyboard/keyboard_MDx.c | 14 +++++++++++++-
 platform/targets/MD-380/hwconfig.h       |  3 +++
 platform/targets/MD-390/hwconfig.h       |  3 +++
 4 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/openrtx/src/ui/ui.c b/openrtx/src/ui/ui.c
index ffb1da20..d202a640 100644
--- a/openrtx/src/ui/ui.c
+++ b/openrtx/src/ui/ui.c
@@ -811,7 +811,7 @@ void ui_updateFSM(event_t event, bool *sync_rtx)
             case MENU_MACRO:
                 _ui_drawDarkOverlay();
                 // If a number is pressed perform the corresponding macro
-                if(!msg.long_press && input_isNumberPressed(msg))
+                if(!msg.long_press)
                 {
                     _ui_fsm_menuMacro(msg, sync_rtx);
                 }
diff --git a/platform/drivers/keyboard/keyboard_MDx.c b/platform/drivers/keyboard/keyboard_MDx.c
index 95522ebc..059ef539 100644
--- a/platform/drivers/keyboard/keyboard_MDx.c
+++ b/platform/drivers/keyboard/keyboard_MDx.c
@@ -49,6 +49,19 @@ void kbd_terminate()
 
 keyboard_t kbd_getKeys()
 {
+    keyboard_t keys = 0;
+
+    /* Use absolute position knob to emulate left and right buttons */
+    static uint8_t old_pos = 0;
+    uint8_t new_pos = platform_getChSelector();
+    if (old_pos != new_pos) {
+        if (new_pos < old_pos)
+            keys |= KEY_LEFT;
+        else
+            keys |= KEY_RIGHT;
+        old_pos = new_pos;
+    }
+
     /*
      * First of all, configure the row lines as inputs. Since they are in common
      * with the display, their configuration can have been screwed up by display
@@ -73,7 +86,6 @@ keyboard_t kbd_getKeys()
      * this means that we have to put a small delay before reading the GPIOs to
      * allow voltage to settle.
      */
-    keyboard_t keys = 0;
     gpio_setPin(KB_ROW1);
 
     delayUs(1);
diff --git a/platform/targets/MD-380/hwconfig.h b/platform/targets/MD-380/hwconfig.h
index 58c69bac..a03510d7 100644
--- a/platform/targets/MD-380/hwconfig.h
+++ b/platform/targets/MD-380/hwconfig.h
@@ -25,6 +25,9 @@
 /* Device has a working real time clock */
 #define HAS_RTC
 
+/* Device has a channel selection knob */
+#define HAS_ABSOLUTE_KNOB
+
 /* Supported radio bands */
 #define BAND_VHF
 #define BAND_UHF
diff --git a/platform/targets/MD-390/hwconfig.h b/platform/targets/MD-390/hwconfig.h
index 601a6667..0068f1d3 100644
--- a/platform/targets/MD-390/hwconfig.h
+++ b/platform/targets/MD-390/hwconfig.h
@@ -25,6 +25,9 @@
 /* Device has a working real time clock */
 #define HAS_RTC
 
+/* Device has a channel selection knob */
+#define HAS_ABSOLUTE_KNOB
+
 /* Supported radio bands */
 #define BAND_VHF
 #define BAND_UHF