README.md

sudo apt-get update
sudo apt-get install mame

Info about configuring MAME: https://github.com/notro/fbtft/wiki/MAME

Link to order old PCB from OSH Park: https://oshpark.com/shared_projects/qzICKaKT

advmame.rc

device_video_clock 0-100/0-100/0-100
debug_crash no
debug_rawsound no
debug_speedmark no
device_alsa_device default
device_alsa_mixer channel
device_color_bgr15 yes
device_color_bgr16 yes
device_color_bgr24 yes
device_color_bgr32 yes
device_color_bgr8 yes
device_color_palette8 yes
device_color_yuy2 yes
device_dpi_pclock_low 31250000
device_hdmi_pclock_low 0
device_joystick auto
device_keyboard auto
device_mouse none
device_raw_firstkeyhack no
device_raw_mousedev[0] auto
device_raw_mousedev[1] auto
device_raw_mousedev[2] auto
device_raw_mousedev[3] auto
device_raw_mousetype[0] pnp
device_raw_mousetype[1] pnp
device_raw_mousetype[2] pnp
device_raw_mousetype[3] pnp
device_sdl_samples 512
device_sound auto
device_video fb
device_video_cursor auto
device_video_doublescan yes
device_video_fastchange no
device_video_interlace yes
device_video_output auto
device_video_overlaysize auto
device_video_singlescan yes
dir_artwork /home/debian/.advance/artwork:/usr/local/share/advance/artwork
dir_diff /home/debian/.advance/diff
dir_hi /home/debian/.advance/hi
dir_image /home/debian/.advance/image:/usr/local/share/advance/image
dir_inp /home/debian/.advance/inp
dir_memcard /home/debian/.advance/memcard
dir_nvram /home/debian/.advance/nvram
dir_rom /home/debian/.advance/rom:/usr/local/share/advance/rom
dir_sample /home/debian/.advance/sample:/usr/local/share/advance/sample
dir_snap /home/debian/.advance/snap
dir_sta /home/debian/.advance/sta
display_adjust none
display_antialias yes
display_artwork_backdrop yes
display_artwork_bezel no
display_artwork_crop yes
display_artwork_overlay yes
display_aspect auto
display_beam 1
display_brightness 1
display_buffer no
display_color auto
display_expand 1.25
display_flicker 0
display_flipx no
display_flipy no
display_frameskip auto
display_gamma 1
display_intensity 1.5
display_interlaceeffect none
display_magnify auto
display_magnifysize 640
display_mode auto
display_pausebrightness 1
display_resize fractional
display_resizeeffect auto
display_restore yes
display_rgbeffect none
display_rol no
display_ror no
display_scanlines no
display_skipcolumns auto
display_skiplines auto
display_translucency yes
display_vsync yes
include 
input_hotkey yes
input_idleexit 0
input_map[event10] auto
input_map[event11] auto
input_map[event12] auto
input_map[event13] auto
input_map[event14] auto
input_map[event1] auto
input_map[event2] auto
input_map[event3] auto
input_map[event4] auto
input_map[event5] auto
input_map[event6] auto
input_map[event7] auto
input_map[event8] auto
input_map[event9] auto
input_map[p1_dialx] auto
input_map[p1_dialy] auto
input_map[p1_lightgunx] auto
input_map[p1_lightguny] auto
input_map[p1_mousex] auto
input_map[p1_mousey] auto
input_map[p1_paddlex] auto
input_map[p1_paddley] auto
input_map[p1_pedalbrake] auto
input_map[p1_pedalgas] auto
input_map[p1_pedalother] auto
input_map[p1_stickx] auto
input_map[p1_sticky] auto
input_map[p1_stickz] auto
input_map[p1_trackballx] auto
input_map[p1_trackbally] auto
input_map[p2_dialx] auto
input_map[p2_dialy] auto
input_map[p2_lightgunx] auto
input_map[p2_lightguny] auto
input_map[p2_mousex] auto
input_map[p2_mousey] auto
input_map[p2_paddlex] auto
input_map[p2_paddley] auto
input_map[p2_pedalbrake] auto
input_map[p2_pedalgas] auto
input_map[p2_pedalother] auto
input_map[p2_stickx] auto
input_map[p2_sticky] auto
input_map[p2_stickz] auto
input_map[p2_trackballx] auto
input_map[p2_trackbally] auto
input_map[p3_dialx] auto
input_map[p3_dialy] auto
input_map[p3_lightgunx] auto
input_map[p3_lightguny] auto
input_map[p3_mahjong_a] auto
input_map[p3_mahjong_b] auto
input_map[p3_mahjong_bet] auto
input_map[p3_mahjong_c] auto
input_map[p3_mahjong_chance] auto
input_map[p3_mahjong_chi] auto
input_map[p3_mahjong_d] auto
input_map[p3_mahjong_double_up] auto
input_map[p3_mahjong_e] auto
input_map[p3_mahjong_f] auto
input_map[p3_mahjong_flip_flop] auto
input_map[p3_mahjong_g] auto
input_map[p3_mahjong_h] auto
input_map[p3_mahjong_i] auto
input_map[p3_mahjong_j] auto
input_map[p3_mahjong_k] auto
input_map[p3_mahjong_kan] auto
input_map[p3_mahjong_l] auto
input_map[p3_mahjong_m] auto
input_map[p3_mahjong_n] auto
input_map[p3_mahjong_pon] auto
input_map[p3_mahjong_reach] auto
input_map[p3_mahjong_ron] auto
input_map[p3_mahjong_score] auto
input_map[p3_mousex] auto
input_map[p3_mousey] auto
input_map[p3_paddlex] auto
input_map[p3_paddley] auto
input_map[p3_pedalbrake] auto
input_map[p3_pedalgas] auto
input_map[p3_pedalother] auto
input_map[p3_stickx] auto
input_map[p3_sticky] auto
input_map[p3_stickz] auto
input_map[p3_trackballx] auto
input_map[p3_trackbally] auto
input_map[p4_dialx] auto
input_map[p4_dialy] auto
input_map[p4_lightgunx] auto
input_map[p4_lightguny] auto
input_map[p4_mahjong_a] auto
input_map[p4_mahjong_b] auto
input_map[p4_mahjong_bet] auto
input_map[p4_mahjong_c] auto
input_map[p4_mahjong_chance] auto
input_map[p4_mahjong_chi] auto
input_map[p4_mahjong_d] auto
input_map[p4_mahjong_double_up] auto
input_map[p4_mahjong_e] auto
input_map[p4_mahjong_f] auto
input_map[p4_mahjong_flip_flop] auto
input_map[p4_mahjong_g] auto
input_map[p4_mahjong_h] auto
input_map[p4_mahjong_i] auto
input_map[p4_mahjong_j] auto
input_map[p4_mahjong_k] auto
input_map[p4_mahjong_kan] auto
input_map[p4_mahjong_l] auto
input_map[p4_mahjong_m] auto
input_map[p4_mahjong_n] auto
input_map[p4_mahjong_pon] auto
input_map[p4_mahjong_reach] auto
input_map[p4_mahjong_ron] auto
input_map[p4_mahjong_score] auto
input_map[p4_mousex] auto
input_map[p4_mousey] auto
input_map[p4_paddlex] auto
input_map[p4_paddley] auto
input_map[p4_pedalbrake] auto
input_map[p4_pedalgas] auto
input_map[p4_pedalother] auto
input_map[p4_stickx] auto
input_map[p4_sticky] auto
input_map[p4_stickz] auto
input_map[p4_trackballx] auto
input_map[p4_trackbally] auto
input_map[p5_dialx] auto
input_map[p5_dialy] auto
input_map[p5_lightgunx] auto
input_map[p5_lightguny] auto
input_map[p5_mahjong_a] auto
input_map[p5_mahjong_b] auto
input_map[p5_mahjong_bet] auto
input_map[p5_mahjong_c] auto
input_map[p5_mahjong_chance] auto
input_map[p5_mahjong_chi] auto
input_map[p5_mahjong_d] auto
input_map[p5_mahjong_double_up] auto
input_map[p5_mahjong_e] auto
input_map[p5_mahjong_f] auto
input_map[p5_mahjong_flip_flop] auto
input_map[p5_mahjong_g] auto
input_map[p5_mahjong_h] auto
input_map[p5_mahjong_i] auto
input_map[p5_mahjong_j] auto
input_map[p5_mahjong_k] auto
input_map[p5_mahjong_kan] auto
input_map[p5_mahjong_l] auto
input_map[p5_mahjong_m] auto
input_map[p5_mahjong_n] auto
input_map[p5_mahjong_pon] auto
input_map[p5_mahjong_reach] auto
input_map[p5_mahjong_ron] auto
input_map[p5_mahjong_score] auto
input_map[p5_mousex] auto
input_map[p5_mousey] auto
input_map[p5_paddlex] auto
input_map[p5_paddley] auto
input_map[p5_pedalbrake] auto
input_map[p5_pedalgas] auto
input_map[p5_pedalother] auto
input_map[p5_stickx] auto
input_map[p5_sticky] auto
input_map[p5_stickz] auto
input_map[p5_trackballx] auto
input_map[p5_trackbally] auto
input_map[p6_dialx] auto
input_map[p6_dialy] auto
input_map[p6_lightgunx] auto
input_map[p6_lightguny] auto
input_map[p6_mahjong_a] auto
input_map[p6_mahjong_b] auto
input_map[p6_mahjong_bet] auto
input_map[p6_mahjong_c] auto
input_map[p6_mahjong_chance] auto
input_map[p6_mahjong_chi] auto
input_map[p6_mahjong_d] auto
input_map[p6_mahjong_double_up] auto
input_map[p6_mahjong_e] auto
input_map[p6_mahjong_f] auto
input_map[p6_mahjong_flip_flop] auto
input_map[p6_mahjong_g] auto
input_map[p6_mahjong_h] auto
input_map[p6_mahjong_i] auto
input_map[p6_mahjong_j] auto
input_map[p6_mahjong_k] auto
input_map[p6_mahjong_kan] auto
input_map[p6_mahjong_l] auto
input_map[p6_mahjong_m] auto
input_map[p6_mahjong_n] auto
input_map[p6_mahjong_pon] auto
input_map[p6_mahjong_reach] auto
input_map[p6_mahjong_ron] auto
input_map[p6_mahjong_score] auto
input_map[p6_mousex] auto
input_map[p6_mousey] auto
input_map[p6_paddlex] auto
input_map[p6_paddley] auto
input_map[p6_pedalbrake] auto
input_map[p6_pedalgas] auto
input_map[p6_pedalother] auto
input_map[p6_stickx] auto
input_map[p6_sticky] auto
input_map[p6_stickz] auto
input_map[p6_trackballx] auto
input_map[p6_trackbally] auto
input_map[p7_dialx] auto
input_map[p7_dialy] auto
input_map[p7_lightgunx] auto
input_map[p7_lightguny] auto
input_map[p7_mahjong_a] auto
input_map[p7_mahjong_b] auto
input_map[p7_mahjong_bet] auto
input_map[p7_mahjong_c] auto
input_map[p7_mahjong_chance] auto
input_map[p7_mahjong_chi] auto
input_map[p7_mahjong_d] auto
input_map[p7_mahjong_double_up] auto
input_map[p7_mahjong_e] auto
input_map[p7_mahjong_f] auto
input_map[p7_mahjong_flip_flop] auto
input_map[p7_mahjong_g] auto
input_map[p7_mahjong_h] auto
input_map[p7_mahjong_i] auto
input_map[p7_mahjong_j] auto
input_map[p7_mahjong_k] auto
input_map[p7_mahjong_kan] auto
input_map[p7_mahjong_l] auto
input_map[p7_mahjong_m] auto
input_map[p7_mahjong_n] auto
input_map[p7_mahjong_pon] auto
input_map[p7_mahjong_reach] auto
input_map[p7_mahjong_ron] auto
input_map[p7_mahjong_score] auto
input_map[p7_mousex] auto
input_map[p7_mousey] auto
input_map[p7_paddlex] auto
input_map[p7_paddley] auto
input_map[p7_pedalbrake] auto
input_map[p7_pedalgas] auto
input_map[p7_pedalother] auto
input_map[p7_stickx] auto
input_map[p7_sticky] auto
input_map[p7_stickz] auto
input_map[p7_trackballx] auto
input_map[p7_trackbally] auto
input_map[p8_dialx] auto
input_map[p8_dialy] auto
input_map[p8_lightgunx] auto
input_map[p8_lightguny] auto
input_map[p8_mahjong_a] auto
input_map[p8_mahjong_b] auto
input_map[p8_mahjong_bet] auto
input_map[p8_mahjong_c] auto
input_map[p8_mahjong_chance] auto
input_map[p8_mahjong_chi] auto
input_map[p8_mahjong_d] auto
input_map[p8_mahjong_double_up] auto
input_map[p8_mahjong_e] auto
input_map[p8_mahjong_f] auto
input_map[p8_mahjong_flip_flop] auto
input_map[p8_mahjong_g] auto
input_map[p8_mahjong_h] auto
input_map[p8_mahjong_i] auto
input_map[p8_mahjong_j] auto
input_map[p8_mahjong_k] auto
input_map[p8_mahjong_kan] auto
input_map[p8_mahjong_l] auto
input_map[p8_mahjong_m] auto
input_map[p8_mahjong_n] auto
input_map[p8_mahjong_pon] auto
input_map[p8_mahjong_reach] auto
input_map[p8_mahjong_ron] auto
input_map[p8_mahjong_score] auto
input_map[p8_mousex] auto
input_map[p8_mousey] auto
input_map[p8_paddlex] auto
input_map[p8_paddley] auto
input_map[p8_pedalbrake] auto
input_map[p8_pedalgas] auto
input_map[p8_pedalother] auto
input_map[p8_stickx] auto
input_map[p8_sticky] auto
input_map[p8_stickz] auto
input_map[p8_trackballx] auto
input_map[p8_trackbally] auto
input_map[safequit] auto
input_map[service_coin5] auto
input_map[service_coin6] auto
input_map[service_coin7] auto
input_map[service_coin8] auto
input_map[ui_toggle_ui] auto
input_steadykey no
lcd_server none
lcd_speed 4
lcd_timeout 500
misc_bios default
misc_cheat no
misc_cheatfile cheat.dat
misc_difficulty none
misc_eventdebug no
misc_eventfile event.dat
misc_freeplay no
misc_hiscorefile hiscore.dat
misc_lang none
misc_languagefile english.lng
misc_mutedemo no
misc_quiet yes
misc_safequit yes
misc_smp yes
misc_timetorun 0
record_sound no
record_sound_time 15
record_video no
record_video_interleave 2
record_video_time 15
script_coin1 
script_coin2 
script_coin3 
script_coin4 
script_emulation 
script_event1 
script_event10 
script_event11 
script_event12 
script_event13 
script_event14 
script_event2 
script_event3 
script_event4 
script_event5 
script_event6 
script_event7 
script_event8 
script_event9 
script_knocker on(kdb, 0b100); wait(!event()); off(kdb, 0b100);
script_led1 on(kdb, 0b1); wait(!event()); off(kdb, 0b1);
script_led2 on(kdb, 0b10); wait(!event()); off(kdb, 0b10);
script_led3 
script_play 
script_safequit 
script_start1 
script_start2 
script_start3 
script_start4 
script_turbo while (event()) { toggle(kdb, 0b100); delay(100); } off(kdb, 0b100);
script_video wait(!event()); set(kdb, 0);
sound_adjust auto
sound_equalizer_highvolume 0
sound_equalizer_lowvolume 0
sound_equalizer_midvolume 0
sound_latency 0.05
sound_mode auto
sound_normalize yes
sound_samplerate 44100
sound_samples yes
sound_volume -3
sync_fps auto
sync_resample auto
sync_speed 1
sync_startuptime auto
sync_turbospeed 3
ui_color[help_other] 000000 808080
ui_color[help_p1] 000000 ffff00
ui_color[help_p2] 000000 00ff00
ui_color[help_p3] 000000 ff0000
ui_color[help_p4] 000000 00ffff
ui_color[interface] 000000 ffffff
ui_color[select] 000000 afffff
ui_color[tag] 247ef0 ffffff
ui_font auto
ui_fontsize auto
ui_helpimage auto
ui_translucency 0.8
device_video_modeline generate 1.512 112 112 128 144 160 163 164 175 -hsync -vsync
device_video_modeline generate 1.512 112 112 128 144 160 163 164 175 -hsync -vsync
device_video_modeline generate 1.512 112 112 128 144 160 163 164 175 -hsync -vsync

advmame.service

[Unit]
Description=ADVMAME
After=systemd-user-sessions.service
After=rc-local.service
IgnoreOnIsolate=yes

[Service]
#User=debian
ExecStart=/home/debian/advmame.sh
Type=idle
Restart=always
RestartSec=10
UtmpIdentifier=tty1
TTYPath=/dev/tty1
TTYReset=yes
TTYVHangup=yes
TTYVTDisallocate=yes
KillMode=process
IgnoreSIGPIPE=no
SendSIGHUP=yes
Environment=LANG= LANGUAGE= LC_CTYPE= LC_NUMERIC= LC_TIME= LC_COLLATE= LC_MONETARY= LC_MESSAGES= LC_PAPER= LC_NAME= LC_ADDRESS= LC_TELEPHONE= LC_MEASUREMENT= LC_IDENTIFICATION= FRAMEBUFFER=/dev/fb0 HOME=/home/debian

[Install]
WantedBy=multi-user.target

advmame.sh

#!/bin/sh
/var/lib/cloud9/test_buttons.sh
/usr/local/bin/advmame circus

enable_lcd.sh

#/bin/bash
sudo modprobe fbtft_device name=adafruit18 busnum=2 cs=1 rotate=270 gpios=reset:86,dc:45
sudo systemctl stop getty@tty1.service
sudo rm /dev/tty
sudo ln -s /dev/tty1 /dev/tty
sudo chmod go+rw /dev/tty1

PB-simplegaming.dts

/*
 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/am33xx.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	/*
	 * Free up the pins used by the cape from the pinmux helpers.
	 */
	fragment@0 {
		target = <&ocp>;
		__overlay__ {
			P1_04_pinmux { status = "disabled"; };	/* LEDs - left */
			P2_03_pinmux { status = "disabled"; };	/* LEDs - right */
			P1_06_pinmux { status = "disabled"; }; 	/* LCD - CS */
			P1_08_pinmux { status = "disabled"; };	/* LCD - SCLK */
			P1_10_pinmux { status = "disabled"; };	/* LCD - MISO */
			P1_12_pinmux { status = "disabled"; };	/* LCD - MOSI */
			P2_01_pinmux { status = "disabled"; };	/* LCD - LED */
			P2_17_pinmux { status = "disabled"; };	/* LCD - DC */
			P2_19_pinmux { status = "disabled"; };	/* LCD - RST */
			P2_02_pinmux { status = "disabled"; };	/* keys - down */
			P2_04_pinmux { status = "disabled"; };	/* keys - right */
			P2_06_pinmux { status = "disabled"; };	/* keys - up */
	 		P2_08_pinmux { status = "disabled"; };	/* keys - left */
			P2_18_pinmux { status = "disabled"; };	/* keys - enter */
			P2_20_pinmux { status = "disabled"; };	/* keys - one */
			P2_22_pinmux { status = "disabled"; };	/* keys - esc */
			P2_24_pinmux { status = "disabled"; };	/* keys - five */
		};
	};

	/*
	 * Free up the gpios used by the cape-universal gpio helpers.
	 */
	fragment@1 {
		target = <&ocp>;
		__overlay__ {
			cape-universal { status = "disabled"; };
		};
	};

	/*
	 * Make a new set of gpio helpers.
	 */
	fragment@2 {
		target = <&ocp>;
		__overlay__ {
			cape-universal@1 {
				compatible = "gpio-of-helper";
				status = "okay";
				pinctrl-names = "default";
				pinctrl-0 = <>;

				P1_02 {
					gpio-name = "P1_02";
					gpio = <&gpio2 23 0>;
					input;
					dir-changeable;
				};

				P1_20 {
					gpio-name = "P1_20";
					gpio = <&gpio0 20 0>;
					input;
					dir-changeable;
				};

				P1_26 {
					gpio-name = "P1_26";
					gpio = <&gpio0 12 0>;
					input;
					dir-changeable;
				};

				P1_28 {
					gpio-name = "P1_28";
					gpio = <&gpio0 13 0>;
					input;
					dir-changeable;
				};

				P1_29 {
					gpio-name = "P1_29";
					gpio = <&gpio3 21 0>;
					input;
					dir-changeable;
				};

				P1_30 {
					gpio-name = "P1_30";
					gpio = <&gpio1 11 0>;
					input;
					dir-changeable;
				};

				P1_31 {
					gpio-name = "P1_31";
					gpio = <&gpio3 18 0>;
					input;
					dir-changeable;
				};

				P1_32 {
					gpio-name = "P1_32";
					gpio = <&gpio1 10 0>;
					input;
					dir-changeable;
				};

				P1_33 {
					gpio-name = "P1_33";
					gpio = <&gpio3 15 0>;
					input;
					dir-changeable;
				};

				P1_34 {
					gpio-name = "P1_34";
					gpio = <&gpio0 26 0>;
					input;
					dir-changeable;
				};

				P1_35 {
					gpio-name = "P1_35";
					gpio = <&gpio2 24 0>;
					input;
					dir-changeable;
				};

				P1_36 {
					gpio-name = "P1_36";
					gpio = <&gpio3 14 0>;
					input;
					dir-changeable;
				};

				P2_05 {
					gpio-name = "P2_05";
					gpio = <&gpio0 30 0>;
					input;
					dir-changeable;
				};

				P2_07 {
					gpio-name = "P2_07";
					gpio = <&gpio0 31 0>;
					input;
					dir-changeable;
				};

				P2_09 {
					gpio-name = "P2_09";
					gpio = <&gpio0 15 0>;
					input;
					dir-changeable;
				};

				P2_10 {
					gpio-name = "P2_10";
					gpio = <&gpio1 20 0>;
					input;
					dir-changeable;
				};

				P2_11 {
					gpio-name = "P2_11";
					gpio = <&gpio0 14 0>;
					input;
					dir-changeable;
				};

				P2_25 {
					gpio-name = "P2_25";
					gpio = <&gpio1 9 0>;
					input;
					dir-changeable;
				};

				P2_27 {
					gpio-name = "P2_27";
					gpio = <&gpio1 8 0>;
					input;
					dir-changeable;
				};

				P2_28 {
					gpio-name = "P2_28";
					gpio = <&gpio3 20 0>;
					input;
					dir-changeable;
				};

				P2_29 {
					gpio-name = "P2_29";
					gpio = <&gpio0 7 0>;
					input;
					dir-changeable;
				};

				P2_30 {
					gpio-name = "P2_30";
					gpio = <&gpio3 17 0>;
					input;
					dir-changeable;
				};

				P2_31 {
					gpio-name = "P2_31";
					gpio = <&gpio0 19 0>;
					input;
					dir-changeable;
				};

				P2_32 {
					gpio-name = "P2_32";
					gpio = <&gpio3 16 0>;
					input;
					dir-changeable;
				};

				P2_33 {
					gpio-name = "P2_33";
					gpio = <&gpio1 13 0>;
					input;
					dir-changeable;
				};

				P2_34 {
					gpio-name = "P2_34";
					gpio = <&gpio3 19 0>;
					input;
					dir-changeable;
				};

				P2_35 {
					gpio-name = "P2_35";
					gpio = <&gpio2 22 0>;
					input;
					dir-changeable;
				};
			};
		};
	};

	/*
	 * Free up the SPI port used by the cape and reallocate it for the LCD.
	 */
	fragment@3 {
		target = <&spi0>;
		__overlay__ {
			#address-cells = <1>;
			#size-cells = <0>;
			status = "okay";

			channel@0 {
				status = "disabled";
			};
			channel@1 {
				status = "disabled";
			};

			adafruit18: adafruit18@0{
				compatible = "sitronix,st7735r";
				pinctrl-names = "default";
				pinctrl-0 = <
					&P1_06_spi_cs_pin 	/* CS */
					&P1_08_spi_sclk_pin 	/* SCLK */
					&P1_10_spi_pin 		/* MISO */
					&P1_12_spi_pin 		/* MOSI */
					&P2_19_gpio_pin		/* RST */
					&P2_17_gpio_pin		/* DC */
					&P2_01_gpio_pin		/* LED */
				>;
				reg = <0>;
				buswidth = <8>;
				reset-gpios = <&gpio0 27 0>;
				dc-gpios = <&gpio2 1 0>;
				led-gpios = <&gpio1 18 1>;
				debug = <1>;
				spi-max-frequency = <32000000>;
				rotate = <0>;
				bgr;
				fps = <30>;
			};
		};
	};
	
	/*
	 * Load the drivers for the buttons and LEDs.
	 */
	fragment@4 {
		target-path="/";
		__overlay__ {

			gpio-keys {
				compatible = "gpio-keys";
				autorepeat;

				pinctrl-names = "default";
				pinctrl-0 = <
					&P2_02_gpio_pu_pin	/* down */
					&P2_04_gpio_pu_pin	/* right */
					&P2_06_gpio_pu_pin	/* up */
					&P2_08_gpio_pu_pin	/* left */
					&P2_18_gpio_pu_pin	/* enter */
					&P2_20_gpio_pu_pin	/* one */
					&P2_22_gpio_pu_pin	/* esc */
					&P2_24_gpio_pu_pin	/* five */
				>;
		
				left {
					label = "left";
					linux,code = <105>;
					gpios = <&gpio1 28 GPIO_ACTIVE_LOW>;
				};
		
				right {
					label = "right";
					linux,code = <106>;
					gpios = <&gpio1 26 GPIO_ACTIVE_LOW>;
				};
		
				up {
					label = "up";
					linux,code = <103>;
					gpios = <&gpio1 25 GPIO_ACTIVE_LOW>;
				};
		
				down {
					label = "down";
					linux,code = <108>;
					gpios = <&gpio1 27 GPIO_ACTIVE_LOW>;
				};
		
				five {
					label = "five";
					linux,code = <6>;
					gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
				};
		
				one {
					label = "one";
					linux,code = <2>;
					gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
				};
		
				esc {
					label = "esc";
					linux,code = <1>;
					gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
				};
		
				enter {
					label = "enter";
					linux,code = <28>;
					gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
				};
			};
		
			capeleds {
				compatible = "gpio-leds";
		
				pinctrl-names = "default";
				pinctrl-0 = <
					&P1_04_gpio_pin	/* left */
					&P2_03_gpio_pin	/* right */
				>;
		
				led@1 {
					label = "gamingpocketcape::left";
					gpios = <&gpio2 25 GPIO_ACTIVE_HIGH>;
					default-state = "off";
				};
		
				led@2 {
					label = "gamingpocketcape::right";
					gpios = <&gpio0 23 GPIO_ACTIVE_HIGH>;
					default-state = "off";
				};
			};
		};
	};
};
						

SimpleGaming.fzz

SimpleGaming_bb.png

test_buttons.sh

#!/bin/bash
INDEXES="1 2 3 4 5 6 7 8"
GPIOS="59 58 57 60 47 64 46 48"
PINS="P2_02 P2_04 P2_06 P2_08 P2_18 P2_20 P2_22 P2_24"
NAMES="DOWN RIGHT UP LEFT A B C D"
for i in ${INDEXES}; do
	NAME[$i]=$(cut -d' ' -f"$i" <<<"${NAMES}")
	GPIO[$i]=$(cut -d' ' -f"$i" <<<"${GPIOS}")
	PIN[$i]=$(cut -d' ' -f"$i" <<<"${PINS}")
	if [ ! -e /sys/class/gpio/gpio${GPIO[$i]} ]; then
		echo ${GPIO[$i]} > /sys/class/gpio/export
	fi
	STATE_PATH="/sys/devices/platform/ocp/ocp:${PIN[$i]}_pinmux/state"
	if [ "$(cat ${STATE_PATH})" != "gpio_pu" ]; then
		echo gpio_pu > ${STATE_PATH}
	fi
	LAST_VALUE[$i]=2
done
while true; do
	for i in ${INDEXES}; do
		VALUE=$(cat /sys/class/gpio/gpio"${GPIO[$i]}"/value)
		if [ "${VALUE}" == "0" ]; then
			STATE="PRESSED"
		else
			STATE="RELEASED"
		fi
		if [ "${VALUE}" != "${LAST_VALUE[$i]}" ]; then
			LAST_VALUE[$i]=${VALUE}
			echo "${NAME[$i]} (${GPIO[$i]}): ${STATE}"
		fi
	done
	sleep 0.1
done