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feat(shields): Add elephant42 Shield Support (#1009) 

* Initial Elephant42 implementation

* Add underglow feature

* Fix keymap

* Copy corne defconfig for OLED and LED

* Fix matrix positions

* Add nice_nano_v2.overlay

* Usability improvements to keymap

* Update LED length

* Delete nice_nano v1 overlay

* Remove unused conf files

* Add copyright/license headers

* PR feedback

* Try fixing formatting again

* Minor format

* More missed tabs

* Format
This commit is contained in:
Carlos Filoteo 2022-03-13 23:51:55 -06:00 committed by GitHub
parent a1a8c30f7f
commit 2b4d5dd7d9
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55
app/boards/shields/elephant42/Kconfig.defconfig Normal file
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# Copyright (c) 2021 The ZMK Contributors
# SPDX-License-Identifier: MIT
if SHIELD_ELEPHANT42_LEFT
config ZMK_KEYBOARD_NAME
default "Elephant42"
config ZMK_SPLIT_BLE_ROLE_CENTRAL
default y
endif
if SHIELD_ELEPHANT42_LEFT || SHIELD_ELEPHANT42_RIGHT
config ZMK_SPLIT
default y
if ZMK_DISPLAY
config I2C
default y
config SSD1306
default y
config SSD1306_REVERSE_MODE
default y
endif # ZMK_DISPLAY
if LVGL
config LVGL_HOR_RES_MAX
default 128
config LVGL_VER_RES_MAX
default 32
config LVGL_VDB_SIZE
default 64
config LVGL_DPI
default 148
config LVGL_BITS_PER_PIXEL
default 1
choice LVGL_COLOR_DEPTH
default LVGL_COLOR_DEPTH_1
endchoice
endif # LVGL
endif

8
app/boards/shields/elephant42/Kconfig.shield Normal file
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# Copyright (c) 2021 The ZMK Contributors
# SPDX-License-Identifier: MIT
config SHIELD_ELEPHANT42_LEFT
def_bool $(shields_list_contains,elephant42_left)
config SHIELD_ELEPHANT42_RIGHT
def_bool $(shields_list_contains,elephant42_right)

28
app/boards/shields/elephant42/boards/nice_nano_v2.overlay Normal file
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&spi1 {
compatible = "nordic,nrf-spim";
/* Cannot be used together with i2c0. */
status = "okay";
mosi-pin = <6>;
// Unused pins, needed for SPI definition, but not used by the ws2812 driver itself.
sck-pin = <5>;
miso-pin = <7>;
led_strip: ws2812@0 {
compatible = "worldsemi,ws2812-spi";
label = "WS2812";
/* SPI */
reg = <0>; /* ignored, but necessary for SPI bindings */
spi-max-frequency = <4000000>;
/* WS2812 */
chain-length = <27>; /* There are per-key RGB and the LAST 6 are underglow */
spi-one-frame = <0x70>;
spi-zero-frame = <0x40>;
};
};
/ {
chosen {
zmk,underglow = &led_strip;
};
};

6
app/boards/shields/elephant42/elephant42.conf Normal file
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# Uncomment the following lines to enable the Elephant42 RGB Underglow
# CONFIG_ZMK_RGB_UNDERGLOW=y
# CONFIG_WS2812_STRIP=y
# Uncomment the following line to enable the Elephant42 OLED Display
# CONFIG_ZMK_DISPLAY=y

60
app/boards/shields/elephant42/elephant42.dtsi Normal file
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/*
* Copyright (c) 2021 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include <dt-bindings/zmk/matrix_transform.h>
/ {
chosen {
zmk,kscan = &kscan0;
zmk,matrix_transform = &default_transform;
};
default_transform: keymap_transform_0 {
compatible = "zmk,matrix-transform";
columns = <12>;
rows = <4>;
map = <
RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(0,5) RC(0,6) RC(0,7) RC(0,8) RC(0,9) RC(0,10) RC(0,11)
RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5) RC(1,6) RC(1,7) RC(1,8) RC(1,9) RC(1,10) RC(1,11)
RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5) RC(2,6) RC(2,7) RC(2,8) RC(2,9) RC(2,10)
RC(3,2) RC(3,3) RC(3,4) RC(3,5) RC(3,6) RC(3,7) RC(3,8) RC(3,9)
>;
};
kscan0: kscan {
compatible = "zmk,kscan-gpio-matrix";
label = "KSCAN";
diode-direction = "col2row";
row-gpios
= <&pro_micro 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
, <&pro_micro 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
, <&pro_micro 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
, <&pro_micro 7 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
;
};
};
&pro_micro_i2c {
status = "okay";
oled: ssd1306@3c {
compatible = "solomon,ssd1306fb";
reg = <0x3c>;
label = "DISPLAY";
width = <128>;
height = <32>;
segment-offset = <0>;
page-offset = <0>;
display-offset = <0>;
multiplex-ratio = <31>;
segment-remap;
com-invdir;
com-sequential;
prechargep = <0x22>;
};
};

55
app/boards/shields/elephant42/elephant42.keymap Normal file
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/*
* Copyright (c) 2021 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include <behaviors.dtsi>
#include <dt-bindings/zmk/keys.h>
#include <dt-bindings/zmk/bt.h>
#include <dt-bindings/zmk/outputs.h>
#define LOWR 1
#define RAIS 2
#define ADJT 3
/ {
keymap {
compatible = "zmk,keymap";
default_layer {
bindings = <
&lt ADJT ESC &kp Q &kp W &kp E &kp R &kp T &kp Y &kp U &kp I &kp O &kp P &kp DEL
&mt LCTRL TAB &kp A &kp S &kp D &kp F &kp G &kp H &kp J &kp K &kp L &kp SEMI &kp SQT
&kp Z &kp X &kp C &kp V &kp B &kp N &kp M &kp COMMA &kp DOT &kp FSLH
&kp LSHFT &mo LOWR &kp LGUI &kp BSPC &kp SPACE &kp ENTER &mo RAIS &kp LALT
>;
};
lower {
bindings = <
&kp GRAVE &kp N1 &kp N2 &kp N3 &kp N4 &kp N5 &kp N6 &kp N7 &kp N8 &kp N9 &kp N0 &kp C_PLAY_PAUSE
&trans &trans &trans &trans &trans &trans &kp LEFT &kp DOWN &kp UP &kp RIGHT &trans &trans
&trans &trans &trans &trans &kp LBKT &kp RBKT &trans &trans &trans &trans
&trans &trans &trans &trans &trans &trans &trans &trans
>;
};
raise {
bindings = <
&kp TILDE &trans &trans &trans &trans &trans &trans &trans &trans &kp MINUS &kp EQUAL &kp C_PLAY_PAUSE
&trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &kp BSLH
&trans &trans &trans &trans &kp LBKT &kp RBKT &trans &trans &trans &trans
&trans &trans &trans &trans &trans &trans &trans &trans
>;
};
adjust {
bindings = <
&trans &bt BT_NXT &bt BT_PRV &trans &trans &bt BT_CLR &trans &trans &trans &trans &trans &trans
&trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans
&trans &trans &trans &trans &trans &trans &trans &trans &trans &trans
&out OUT_TOG &trans &trans &trans &trans &trans &trans &trans
>;
};
};
};

14
app/boards/shields/elephant42/elephant42.zmk.yml Normal file
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file_format: "1"
id: elephant42
name: Elephant42
type: shield
url: https://github.com/illness072/elephant42
requires: [pro_micro]
exposes: [i2c_oled]
features:
- keys
- display
- underglow
siblings:
- elephant42_left
- elephant42_right

18
app/boards/shields/elephant42/elephant42_left.overlay Normal file
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/*
* Copyright (c) 2021 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include "elephant42.dtsi"
&kscan0 {
col-gpios
= <&pro_micro 21 GPIO_ACTIVE_HIGH>
, <&pro_micro 20 GPIO_ACTIVE_HIGH>
, <&pro_micro 19 GPIO_ACTIVE_HIGH>
, <&pro_micro 18 GPIO_ACTIVE_HIGH>
, <&pro_micro 15 GPIO_ACTIVE_HIGH>
, <&pro_micro 14 GPIO_ACTIVE_HIGH>
;
};

22
app/boards/shields/elephant42/elephant42_right.overlay Normal file
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/*
* Copyright (c) 2021 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include "elephant42.dtsi"
&default_transform {
col-offset = <6>;
};
&kscan0 {
col-gpios
= <&pro_micro 14 GPIO_ACTIVE_HIGH>
, <&pro_micro 15 GPIO_ACTIVE_HIGH>
, <&pro_micro 18 GPIO_ACTIVE_HIGH>
, <&pro_micro 19 GPIO_ACTIVE_HIGH>
, <&pro_micro 20 GPIO_ACTIVE_HIGH>
, <&pro_micro 21 GPIO_ACTIVE_HIGH>
;
};