diff options
32 files changed, 165 insertions, 14 deletions
diff --git a/common_features.mk b/common_features.mk index bd88e04d62..97febe2e77 100644 --- a/common_features.mk +++ b/common_features.mk @@ -263,6 +263,11 @@ ifneq ($(strip $(CUSTOM_MATRIX)), yes) endif ifeq ($(strip $(SPLIT_KEYBOARD)), yes) + SERIAL_BACKWARD_COMPAT := $(wildcard $(QUANTUM_DIR)/split_common/serial_backward_compatibility.h) + ifneq ($(SERIAL_BACKWARD_COMPAT),) + CONFIG_H += $(SERIAL_BACKWARD_COMPAT) + # $(info CONFIG_H=$(CONFIG_H)) + endif OPT_DEFS += -DSPLIT_KEYBOARD QUANTUM_SRC += $(QUANTUM_DIR)/split_common/split_flags.c \ $(QUANTUM_DIR)/split_common/split_util.c \ diff --git a/docs/config_options.md b/docs/config_options.md index 69fecc8b49..bea4acb010 100644 --- a/docs/config_options.md +++ b/docs/config_options.md @@ -198,6 +198,9 @@ Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in yo * `#define USE_I2C` * For using I2C instead of Serial (defaults to serial) +* `#define SOFT_SERIAL_PIN D0` + * When using serial, define this. `D0` or `D1`,`D2`,`D3`,`E6`. + # The `rules.mk` File This is a [make](https://www.gnu.org/software/make/manual/make.html) file that is included by the top-level `Makefile`. It is used to set some information about the MCU that we will be compiling for as well as enabling and disabling certain features. diff --git a/keyboards/40percentclub/25/config.h b/keyboards/40percentclub/25/config.h index 23b768e153..7fe59fcca0 100644 --- a/keyboards/40percentclub/25/config.h +++ b/keyboards/40percentclub/25/config.h @@ -27,6 +27,8 @@ #define DESCRIPTION A split 50 key keyboard #define USE_SERIAL +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 /* Select hand configuration */ #define MASTER_LEFT diff --git a/keyboards/40percentclub/6lit/config.h b/keyboards/40percentclub/6lit/config.h index 8397818a61..940518f365 100644 --- a/keyboards/40percentclub/6lit/config.h +++ b/keyboards/40percentclub/6lit/config.h @@ -28,6 +28,9 @@ #define USE_SERIAL +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Select hand configuration */ #define MASTER_LEFT //#define MASTER_RIGHT diff --git a/keyboards/40percentclub/foobar/config.h b/keyboards/40percentclub/foobar/config.h index 89219c4607..88075c4560 100644 --- a/keyboards/40percentclub/foobar/config.h +++ b/keyboards/40percentclub/foobar/config.h @@ -28,6 +28,9 @@ #define USE_SERIAL +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Select hand configuration */ #define MASTER_LEFT //#define MASTER_RIGHT diff --git a/keyboards/diverge3/config.h b/keyboards/diverge3/config.h index 262be7b757..464dc835ff 100644 --- a/keyboards/diverge3/config.h +++ b/keyboards/diverge3/config.h @@ -57,6 +57,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* define if matrix has ghost (lacks anti-ghosting diodes) */ //#define MATRIX_HAS_GHOST diff --git a/keyboards/divergetm2/config.h b/keyboards/divergetm2/config.h index 8bc9d2c803..cbeeff9aa8 100644 --- a/keyboards/divergetm2/config.h +++ b/keyboards/divergetm2/config.h @@ -59,6 +59,9 @@ /* Locking resynchronize hack */ #define LOCKING_RESYNC_ENABLE +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* * Magic Key Options * diff --git a/keyboards/ergotravel/rev1/config.h b/keyboards/ergotravel/rev1/config.h index 3af1147a7a..e6d557361c 100644 --- a/keyboards/ergotravel/rev1/config.h +++ b/keyboards/ergotravel/rev1/config.h @@ -56,6 +56,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \ ) +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + #define BACKLIGHT_PIN B5 #define BACKLIGHT_LEVELS 5 diff --git a/keyboards/handwired/dactyl_manuform/config.h b/keyboards/handwired/dactyl_manuform/config.h index 320ce3c482..0e6f3f98ed 100644 --- a/keyboards/handwired/dactyl_manuform/config.h +++ b/keyboards/handwired/dactyl_manuform/config.h @@ -38,6 +38,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/handwired/qc60/config.h b/keyboards/handwired/qc60/config.h index 3b6f84390b..00d095ddf1 100644 --- a/keyboards/handwired/qc60/config.h +++ b/keyboards/handwired/qc60/config.h @@ -18,6 +18,9 @@ /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* key combination for command */ #define IS_COMMAND() ( \ keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \ diff --git a/keyboards/handwired/xealous/config.h b/keyboards/handwired/xealous/config.h index 415a0dcf5b..7bce502c15 100644 --- a/keyboards/handwired/xealous/config.h +++ b/keyboards/handwired/xealous/config.h @@ -21,10 +21,13 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Use I2C or Serial, not both */ -// #define USE_SERIAL #define USE_I2C #define SCL_CLOCK 400000UL +// #define USE_SERIAL +/* serial.c configuration for split keyboard */ +// #define SOFT_SERIAL_PIN D0 + /* Select hand configuration */ #define MASTER_LEFT diff --git a/keyboards/iris/rev1/config.h b/keyboards/iris/rev1/config.h index 7f76df54ba..3b31ca0d7e 100644 --- a/keyboards/iris/rev1/config.h +++ b/keyboards/iris/rev1/config.h @@ -48,6 +48,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/iris/rev1_led/config.h b/keyboards/iris/rev1_led/config.h index b58b11836a..e9739c0031 100644 --- a/keyboards/iris/rev1_led/config.h +++ b/keyboards/iris/rev1_led/config.h @@ -48,6 +48,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/iris/rev2/config.h b/keyboards/iris/rev2/config.h index 266c29b9c9..d43d4b1c64 100644 --- a/keyboards/iris/rev2/config.h +++ b/keyboards/iris/rev2/config.h @@ -48,6 +48,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/iris/rev3/config.h b/keyboards/iris/rev3/config.h index 1032231d89..5642512f39 100644 --- a/keyboards/iris/rev3/config.h +++ b/keyboards/iris/rev3/config.h @@ -48,6 +48,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/lets_split_eh/config.h b/keyboards/lets_split_eh/config.h index b8fe95ea2b..abfee0eace 100644 --- a/keyboards/lets_split_eh/config.h +++ b/keyboards/lets_split_eh/config.h @@ -36,6 +36,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +//#define SOFT_SERIAL_PIN D0 + /* key combination for command */ #define IS_COMMAND() ( \ keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \ diff --git a/keyboards/levinson/rev1/config.h b/keyboards/levinson/rev1/config.h index 8161b4e32f..07ba1e221e 100644 --- a/keyboards/levinson/rev1/config.h +++ b/keyboards/levinson/rev1/config.h @@ -41,6 +41,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/levinson/rev2/config.h b/keyboards/levinson/rev2/config.h index 03b98b45c1..a731c71955 100644 --- a/keyboards/levinson/rev2/config.h +++ b/keyboards/levinson/rev2/config.h @@ -41,6 +41,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/miniaxe/config.h b/keyboards/miniaxe/config.h index 13608feab2..2b732ca16f 100644 --- a/keyboards/miniaxe/config.h +++ b/keyboards/miniaxe/config.h @@ -237,6 +237,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Serial settings */ #define USE_SERIAL +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + //#define EE_HANDS #define I2C_MASTER_LEFT //#define I2C_MASTER_RIGHT diff --git a/keyboards/nyquist/rev1/config.h b/keyboards/nyquist/rev1/config.h index 35fbaffb96..892054b733 100644 --- a/keyboards/nyquist/rev1/config.h +++ b/keyboards/nyquist/rev1/config.h @@ -46,6 +46,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/nyquist/rev2/config.h b/keyboards/nyquist/rev2/config.h index 7dc743b275..21aea0aada 100644 --- a/keyboards/nyquist/rev2/config.h +++ b/keyboards/nyquist/rev2/config.h @@ -43,6 +43,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/nyquist/rev3/config.h b/keyboards/nyquist/rev3/config.h index 6c51bc9a80..8054ba79c2 100644 --- a/keyboards/nyquist/rev3/config.h +++ b/keyboards/nyquist/rev3/config.h @@ -43,6 +43,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/quefrency/rev1/config.h b/keyboards/quefrency/rev1/config.h index 1074590ff5..88d7044864 100644 --- a/keyboards/quefrency/rev1/config.h +++ b/keyboards/quefrency/rev1/config.h @@ -41,6 +41,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/qwertyydox/config.h b/keyboards/qwertyydox/config.h index b22ca534e3..a685652230 100644 --- a/keyboards/qwertyydox/config.h +++ b/keyboards/qwertyydox/config.h @@ -49,6 +49,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/qwertyydox/rev1/config.h b/keyboards/qwertyydox/rev1/config.h index 3d4c9b0d00..a2557592d3 100644 --- a/keyboards/qwertyydox/rev1/config.h +++ b/keyboards/qwertyydox/rev1/config.h @@ -49,6 +49,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/redox/rev1/config.h b/keyboards/redox/rev1/config.h index f4ccbd2fd5..654a84de74 100644 --- a/keyboards/redox/rev1/config.h +++ b/keyboards/redox/rev1/config.h @@ -49,6 +49,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/keyboards/rorschach/rev1/config.h b/keyboards/rorschach/rev1/config.h index 1c9ef8276c..1ea6dde98d 100644 --- a/keyboards/rorschach/rev1/config.h +++ b/keyboards/rorschach/rev1/config.h @@ -42,6 +42,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* Set 0 if debouncing isn't needed */ #define DEBOUNCING_DELAY 5 +/* serial.c configuration for split keyboard */ +#define SOFT_SERIAL_PIN D0 + /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ #define LOCKING_SUPPORT_ENABLE /* Locking resynchronize hack */ diff --git a/quantum/split_common/serial.c b/quantum/split_common/serial.c index 74bcbb6bf6..f34f824d7d 100644 --- a/quantum/split_common/serial.c +++ b/quantum/split_common/serial.c @@ -14,6 +14,59 @@ #ifndef USE_I2C +#ifndef SOFT_SERIAL_PIN + #error quantum/split_common/serial.c need SOFT_SERIAL_PIN define +#endif + +#ifdef __AVR_ATmega32U4__ + // if using ATmega32U4 I2C, can not use PD0 and PD1 in soft serial. + #ifdef USE_I2C + #if SOFT_SERIAL_PIN == D0 || SOFT_SERIAL_PIN == D1 + #error Using ATmega32U4 I2C, so can not use PD0, PD1 + #endif + #endif + + #if SOFT_SERIAL_PIN >= D0 && SOFT_SERIAL_PIN <= D3 + #define SERIAL_PIN_DDR DDRD + #define SERIAL_PIN_PORT PORTD + #define SERIAL_PIN_INPUT PIND + #if SOFT_SERIAL_PIN == D0 + #define SERIAL_PIN_MASK _BV(PD0) + #define EIMSK_BIT _BV(INT0) + #define EICRx_BIT (~(_BV(ISC00) | _BV(ISC01))) + #define SERIAL_PIN_INTERRUPT INT0_vect + #elif SOFT_SERIAL_PIN == D1 + #define SERIAL_PIN_MASK _BV(PD1) + #define EIMSK_BIT _BV(INT1) + #define EICRx_BIT (~(_BV(ISC10) | _BV(ISC11))) + #define SERIAL_PIN_INTERRUPT INT1_vect + #elif SOFT_SERIAL_PIN == D2 + #define SERIAL_PIN_MASK _BV(PD2) + #define EIMSK_BIT _BV(INT2) + #define EICRx_BIT (~(_BV(ISC20) | _BV(ISC21))) + #define SERIAL_PIN_INTERRUPT INT2_vect + #elif SOFT_SERIAL_PIN == D3 + #define SERIAL_PIN_MASK _BV(PD3) + #define EIMSK_BIT _BV(INT3) + #define EICRx_BIT (~(_BV(ISC30) | _BV(ISC31))) + #define SERIAL_PIN_INTERRUPT INT3_vect + #endif + #elif SOFT_SERIAL_PIN == E6 + #define SERIAL_PIN_DDR DDRE + #define SERIAL_PIN_PORT PORTE + #define SERIAL_PIN_INPUT PINE + #define SERIAL_PIN_MASK _BV(PE6) + #define EIMSK_BIT _BV(INT6) + #define EICRx_BIT (~(_BV(ISC60) | _BV(ISC61))) + #define SERIAL_PIN_INTERRUPT INT6_vect + #else + #error invalid SOFT_SERIAL_PIN value + #endif + +#else + #error serial.c now support ATmega32U4 only +#endif + // Serial pulse period in microseconds. Its probably a bad idea to lower this // value. #define SERIAL_DELAY 24 diff --git a/quantum/split_common/serial.h b/quantum/split_common/serial.h index e566eb8a06..0b99f352d0 100644 --- a/quantum/split_common/serial.h +++ b/quantum/split_common/serial.h @@ -1,21 +1,18 @@ #ifndef MY_SERIAL_H #define MY_SERIAL_H -#include "config.h" #include <stdbool.h> -/* TODO: some defines for interrupt setup */ -#define SERIAL_PIN_DDR DDRD -#define SERIAL_PIN_PORT PORTD -#define SERIAL_PIN_INPUT PIND -#define SERIAL_PIN_MASK _BV(PD0) -#define SERIAL_PIN_INTERRUPT INT0_vect - -#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2 -#define SERIAL_MASTER_BUFFER_LENGTH 1 - -// Address location defines -#define SERIAL_BACKLIT_START 0x00 +// ///////////////////////////////////////////////////////////////// +// Need Soft Serial defines in config.h +// ///////////////////////////////////////////////////////////////// +// ex. +// /* Configuration of lower interface with the lower layer(hardware) of serial.c */ +// #define SOFT_SERIAL_PIN ?? // ?? = D0,D1,D2,D3,E6 +// +// /* Configuration of upper interface with the upper layer of serial.c */ +// #define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2 +// #define SERIAL_MASTER_BUFFER_LENGTH 1 // Buffers for master - slave communication extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH]; diff --git a/quantum/split_common/serial_backward_compatibility.h b/quantum/split_common/serial_backward_compatibility.h new file mode 100644 index 0000000000..216b6c41ff --- /dev/null +++ b/quantum/split_common/serial_backward_compatibility.h @@ -0,0 +1,11 @@ +/* serial.h backward compatibility */ + +// #ifndef SOFT_SERIAL_PIN +// #define SOFT_SERIAL_PIN D0 +// #endif + +#ifndef SERIAL_SLAVE_BUFFER_LENGTH + #define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2 + #define SERIAL_MASTER_BUFFER_LENGTH 1 +#endif + diff --git a/quantum/split_common/split_util.h b/quantum/split_common/split_util.h index d6cf3e72a9..45e8db0f2f 100644 --- a/quantum/split_common/split_util.h +++ b/quantum/split_common/split_util.h @@ -7,6 +7,9 @@ #include <stdlib.h> #include "eeconfig.h" +// backlight level store index in serial_master_buffer[] for slave to read +#define SERIAL_BACKLIT_START 0x00 + #define SLAVE_I2C_ADDRESS 0x32 extern volatile bool isLeftHand; diff --git a/quantum/template/avr/config.h b/quantum/template/avr/config.h index 463ddff2db..eed50e5c04 100644 --- a/quantum/template/avr/config.h +++ b/quantum/template/avr/config.h @@ -48,6 +48,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* COL2ROW, ROW2COL, or CUSTOM_MATRIX */ #define DIODE_DIRECTION COL2ROW +/* + * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN. + */ +#define SOFT_SERIAL_PIN D0 // or D1, D2, D3, E6 + // #define BACKLIGHT_PIN B7 // #define BACKLIGHT_BREATHING // #define BACKLIGHT_LEVELS 3 |