diff --git a/meson.build b/meson.build
index 5f6e8e01..f348d1df 100644
--- a/meson.build
+++ b/meson.build
@@ -101,6 +101,7 @@ md380_src = src + ['openrtx/src/main.c',
'platform/mcu/STM32F4xx/drivers/delays.c',
'platform/mcu/CMSIS/Device/ST/STM32F4xx/Source/system_stm32f4xx.c',
'platform/drivers/display/HX83XX_MDxx380.c',
+ 'platform/drivers/keyboard/keyboard_MDxx380.c',
'platform/targets/MD380/platform.c',
'platform/targets/MD380/adc1.c',
'openrtx/src/graphics/graphics_rgb565.c',
@@ -140,6 +141,7 @@ mduv380_src = src + ['openrtx/src/main.c',
'platform/mcu/STM32F4xx/drivers/delays.c',
'platform/mcu/CMSIS/Device/ST/STM32F4xx/Source/system_stm32f4xx.c',
'platform/drivers/display/HX83XX_MDxx380.c',
+ 'platform/drivers/keyboard/keyboard_MDxx380.c',
'platform/targets/MD-UV380/platform.c',
'platform/targets/MD-UV380/adc1.c',
'openrtx/src/graphics/graphics_rgb565.c',
diff --git a/platform/drivers/keyboard/keyboard_MDxx380.c b/platform/drivers/keyboard/keyboard_MDxx380.c
new file mode 100644
index 00000000..88e80f66
--- /dev/null
+++ b/platform/drivers/keyboard/keyboard_MDxx380.c
@@ -0,0 +1,93 @@
+/***************************************************************************
+ * Copyright (C) 2020 by Federico Amedeo Izzo IU2NUO, *
+ * Niccolò Izzo IU2KIN *
+ * Frederik Saraci IU2NRO *
+ * Silvano Seva IU2KWO *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 3 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, see *
+ ***************************************************************************/
+
+#include
+#include
+#include "gpio.h"
+#include "delays.h"
+#include "keyboard.h"
+#include "hwconfig.h"
+
+void kbd_init()
+{
+ /* Set the two row lines as outputs */
+ gpio_setMode(KB_ROW1, OUTPUT);
+ gpio_setMode(KB_ROW2, OUTPUT);
+ gpio_clearPin(KB_ROW1);
+ gpio_clearPin(KB_ROW2);
+}
+
+void kbd_terminate()
+{
+ /* Back to default state */
+ gpio_clearPin(KB_ROW1);
+ gpio_clearPin(KB_ROW2);
+ gpio_setMode(KB_ROW1, INPUT);
+ gpio_setMode(KB_ROW2, INPUT);
+
+}
+
+uint32_t kbd_getKeys()
+{
+ /*
+ * 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
+ * driver among two subsequent calls of this function.
+ */
+ gpio_setMode(LCD_D0, INPUT);
+ gpio_setMode(LCD_D1, INPUT);
+ gpio_setMode(LCD_D2, INPUT);
+ gpio_setMode(LCD_D3, INPUT);
+ gpio_setMode(LCD_D4, INPUT);
+ gpio_setMode(LCD_D5, INPUT);
+ gpio_setMode(LCD_D6, INPUT);
+ gpio_setMode(LCD_D7, INPUT);
+
+ /*
+ * Scan keyboard by coloumns.
+ * For key configuration, see: https://www.qsl.net/dl4yhf/RT3/md380_hw.html#keyboard
+ */
+ uint32_t keys = 0;
+ gpio_setPin(KB_ROW1);
+
+ if(gpio_readPin(LCD_D7)) keys |= KEY_STAR;
+ if(gpio_readPin(LCD_D2)) keys |= KEY_3;
+ if(gpio_readPin(LCD_D1)) keys |= KEY_2;
+ if(gpio_readPin(LCD_D0)) keys |= KEY_1;
+ if(gpio_readPin(LCD_D6)) keys |= KEY_0;
+ if(gpio_readPin(LCD_D5)) keys |= KEY_6;
+ if(gpio_readPin(LCD_D4)) keys |= KEY_5;
+ if(gpio_readPin(LCD_D3)) keys |= KEY_4;
+
+ gpio_clearPin(KB_ROW1);
+ gpio_setPin(KB_ROW2);
+
+ if(gpio_readPin(LCD_D7)) keys |= KEY_ESC;
+ if(gpio_readPin(LCD_D2)) keys |= KEY_DOWN;
+ if(gpio_readPin(LCD_D1)) keys |= KEY_UP;
+ if(gpio_readPin(LCD_D0)) keys |= KEY_ENTER;
+ if(gpio_readPin(LCD_D6)) keys |= KEY_HASH;
+ if(gpio_readPin(LCD_D5)) keys |= KEY_9;
+ if(gpio_readPin(LCD_D4)) keys |= KEY_8;
+ if(gpio_readPin(LCD_D3)) keys |= KEY_7;
+
+ gpio_clearPin(KB_ROW2);
+ return keys;
+}
diff --git a/platform/targets/MD-UV380/hwconfig.h b/platform/targets/MD-UV380/hwconfig.h
index 1b6f143b..d73635fb 100644
--- a/platform/targets/MD-UV380/hwconfig.h
+++ b/platform/targets/MD-UV380/hwconfig.h
@@ -61,6 +61,13 @@
/* Push-to-talk switch */
#define PTT_SW GPIOE,11
+/*
+ * Keyboard. Here we define only rows, since coloumn lines are the same as
+ * LCD_Dx. See also: https://www.qsl.net/dl4yhf/RT3/md380_hw.html#keyboard
+ */
+#define KB_ROW1 GPIOA,6 /* K1 */
+#define KB_ROW2 GPIOD,2 /* K2 */
+
/*
* To enable pwm for display backlight dimming uncomment this directive.
*
diff --git a/platform/targets/MD380/hwconfig.h b/platform/targets/MD380/hwconfig.h
index 3b11210d..a9fca1e6 100644
--- a/platform/targets/MD380/hwconfig.h
+++ b/platform/targets/MD380/hwconfig.h
@@ -61,4 +61,11 @@
/* Push-to-talk switch */
#define PTT_SW GPIOE,11
+/*
+ * Keyboard. Here we define only rows, since coloumn lines are the same as
+ * LCD_Dx. See also: https://www.qsl.net/dl4yhf/RT3/md380_hw.html#keyboard
+ */
+#define KB_ROW1 GPIOA,6 /* K1 */
+#define KB_ROW2 GPIOD,2 /* K2 */
+
#endif