forked from mirrors/qmk_firmware
Move Ergodox EZ RGB Light code to custom driver (#7309)
* Move Ergodox EZ RGB code to custom driver Also implements full addressing of Ergodox EZ's LED Strip, as written by seebs Co-authored-by: Seebs <seebs@seebs.net> * Make Clipping range accessible for custom drivers * Remove RGBW_BB_TWI from driver and docs * Revert changes to clipping range support * Use just rgblight_set instead of full custom driver * Convert to i2c_master commands * Rename rgblight driver and clean up includes
This commit is contained in:
Drashna Jaelre
GitHub
parent
8dc9764f31
commit
1cf63a193b
5 changed files with 120 additions and 132 deletions
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@ -36,108 +36,6 @@
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void ws2812_sendarray(uint8_t *array, uint16_t length);
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void ws2812_sendarray_mask(uint8_t *array, uint16_t length, uint8_t pinmask);
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#ifdef RGBW_BB_TWI
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// Port for the I2C
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# define I2C_DDR DDRD
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# define I2C_PIN PIND
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# define I2C_PORT PORTD
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// Pins to be used in the bit banging
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# define I2C_CLK 0
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# define I2C_DAT 1
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# define I2C_DATA_HI() \
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I2C_DDR &= ~(1 << I2C_DAT); \
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I2C_PORT |= (1 << I2C_DAT);
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# define I2C_DATA_LO() \
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I2C_DDR |= (1 << I2C_DAT); \
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I2C_PORT &= ~(1 << I2C_DAT);
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# define I2C_CLOCK_HI() \
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I2C_DDR &= ~(1 << I2C_CLK); \
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I2C_PORT |= (1 << I2C_CLK);
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# define I2C_CLOCK_LO() \
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I2C_DDR |= (1 << I2C_CLK); \
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I2C_PORT &= ~(1 << I2C_CLK);
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# define I2C_DELAY 1
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void I2C_WriteBit(unsigned char c) {
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if (c > 0) {
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I2C_DATA_HI();
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} else {
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I2C_DATA_LO();
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}
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I2C_CLOCK_HI();
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_delay_us(I2C_DELAY);
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I2C_CLOCK_LO();
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_delay_us(I2C_DELAY);
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if (c > 0) {
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I2C_DATA_LO();
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}
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_delay_us(I2C_DELAY);
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}
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// Inits bitbanging port, must be called before using the functions below
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//
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void I2C_Init(void) {
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I2C_PORT &= ~((1 << I2C_DAT) | (1 << I2C_CLK));
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I2C_CLOCK_HI();
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I2C_DATA_HI();
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_delay_us(I2C_DELAY);
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}
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// Send a START Condition
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//
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void I2C_Start(void) {
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// set both to high at the same time
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I2C_DDR &= ~((1 << I2C_DAT) | (1 << I2C_CLK));
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_delay_us(I2C_DELAY);
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I2C_DATA_LO();
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_delay_us(I2C_DELAY);
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I2C_CLOCK_LO();
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_delay_us(I2C_DELAY);
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}
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// Send a STOP Condition
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//
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void I2C_Stop(void) {
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I2C_CLOCK_HI();
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_delay_us(I2C_DELAY);
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I2C_DATA_HI();
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_delay_us(I2C_DELAY);
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}
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// write a byte to the I2C slave device
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//
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unsigned char I2C_Write(unsigned char c) {
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for (char i = 0; i < 8; i++) {
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I2C_WriteBit(c & 128);
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c <<= 1;
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}
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I2C_WriteBit(0);
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_delay_us(I2C_DELAY);
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_delay_us(I2C_DELAY);
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// _delay_us(I2C_DELAY);
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// return I2C_ReadBit();
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return 0;
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}
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#endif
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// Setleds for standard RGB
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void inline ws2812_setleds(LED_TYPE *ledarray, uint16_t leds) {
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// ws2812_setleds_pin(ledarray,leds, _BV(ws2812_pin));
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@ -145,38 +43,15 @@ void inline ws2812_setleds(LED_TYPE *ledarray, uint16_t leds) {
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}
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void inline ws2812_setleds_pin(LED_TYPE *ledarray, uint16_t leds, uint8_t pinmask) {
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#ifdef RGBW_BB_TWI
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uint8_t sreg_prev, twcr_prev;
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sreg_prev = SREG;
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twcr_prev = TWCR;
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cli();
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TWCR &= ~(1 << TWEN);
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I2C_Init();
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I2C_Start();
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I2C_Write(0x84);
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uint16_t datlen = leds << 2;
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uint8_t curbyte;
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uint8_t *data = (uint8_t *)ledarray;
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while (datlen--) {
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curbyte = *data++;
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I2C_Write(curbyte);
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}
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I2C_Stop();
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SREG = sreg_prev;
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TWCR = twcr_prev;
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#endif
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// ws2812_DDRREG |= pinmask; // Enable DDR
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// new universal format (DDR)
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_SFR_IO8((RGB_DI_PIN >> 4) + 1) |= pinmask;
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ws2812_sendarray_mask((uint8_t *)ledarray, leds * sizeof(LED_TYPE), pinmask);
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#ifndef RGBW_BB_TWI
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# ifdef RGBW
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#ifdef RGBW
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_delay_us(80);
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# else
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#else
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_delay_us(50);
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# endif
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#endif
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}
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@ -75,17 +75,21 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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/* ws2812 RGB LED */
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#define RGB_DI_PIN D7
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#define RGBLIGHT_ANIMATIONS
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#define RGBLED_NUM 15 // Number of LEDs
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#define RGBLIGHT_HUE_STEP 12
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#define RGBLIGHT_SAT_STEP 255
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#define RGBLIGHT_VAL_STEP 12
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// Pick one of the modes
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// Defaults to 15 mirror, for legacy behavior
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// #define ERGODOX_LED_15 // Addresses 15 LEDs, but same position on both halves
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// #define ERGODOX_LED_15_MIRROR // Addresses 15 LEDs, but are mirrored
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// #define ERGODOX_LED_30 // Addresses all 30 LED individually
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/* fix space cadet rollover issue */
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#define DISABLE_SPACE_CADET_ROLLOVER
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#define RGBW_BB_TWI
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#define RGBW 1
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#define RGBW
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#define RGBLIGHT_SLEEP
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86
keyboards/ergodox_ez/led_i2c.c
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86
keyboards/ergodox_ez/led_i2c.c
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@ -0,0 +1,86 @@
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/*
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* light weight WS2812 lib V2.0b
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*
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* Controls WS2811/WS2812/WS2812B RGB-LEDs
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* Author: Tim (cpldcpu@gmail.com)
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*
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* Jan 18th, 2014 v2.0b Initial Version
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* Nov 29th, 2015 v2.3 Added SK6812RGBW support
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef RGBLIGHT_ENABLE
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# include "ws2812.c"
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# include "ergodox_ez.h"
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extern rgblight_config_t rgblight_config;
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/*
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* Forward declare internal functions
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*
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* The functions take a byte-array and send to the data output as WS2812 bitstream.
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* The length is the number of bytes to send - three per LED.
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*/
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void ws2812_sendarray(uint8_t *array, uint16_t length);
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void ws2812_sendarray_mask(uint8_t *array, uint16_t length, uint8_t pinmask);
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void rgblight_set(void) {
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if (!rgblight_config.enable) {
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for (uint8_t i = 0; i < RGBLED_NUM; i++) {
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led[i].r = 0;
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led[i].g = 0;
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led[i].b = 0;
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#ifdef RGBW
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led[i].w = 0;
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#endif
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}
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}
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uint8_t led_num = RGBLED_NUM;
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i2c_init();
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i2c_start(0x84, ERGODOX_EZ_I2C_TIMEOUT);
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int i = 0;
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# if defined(ERGODOX_LED_30)
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// prevent right-half code from trying to bitbang all 30
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// so with 30 LEDs, we count from 29 to 15 here, and the
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// other half does 0 to 14.
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led_num = RGBLED_NUM / 2;
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for (i = led_num + led_num - 1; i >= led_num; --i)
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# elif defined(ERGODOX_LED_15_MIRROR)
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for (i = 0; i < led_num; ++i)
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# else // ERGDOX_LED_15 non-mirrored
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for (i = led_num - 1; i >= 0; --i)
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# endif
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{
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uint8_t *data = (uint8_t *)(led + i);
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i2c_write(*data++, ERGODOX_EZ_I2C_TIMEOUT);
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i2c_write(*data++, ERGODOX_EZ_I2C_TIMEOUT);
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i2c_write(*data++, ERGODOX_EZ_I2C_TIMEOUT);
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#ifdef RGBW
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i2c_write(*data++, ERGODOX_EZ_I2C_TIMEOUT);
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#endif
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}
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i2c_stop();
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ws2812_setleds(led, RGBLED_NUM);
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}
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#endif // RGBLIGHT_ENABLE
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20
keyboards/ergodox_ez/post_config.h
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20
keyboards/ergodox_ez/post_config.h
Normal file
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@ -0,0 +1,20 @@
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#pragma once
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#if !defined(ERGODOX_LED_15) && !defined(ERGODOX_LED_30)
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// if no value is defined, assume previous behavior
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// # define ERGODOX_LED_15
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// # define ERGODOX_LED_30
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# define ERGODOX_LED_15_MIRROR
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#endif
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#if (defined(ERGODOX_LED_30) + defined(ERGODOX_LED_15) + defined(ERGODOX_LED_15_MIRROR)) != 1
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# error "You must only define one of the ERGODOX_LED options."
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#endif
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#ifdef ERGODOX_LED_30
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// If using 30 LEDs, then define that many
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# define RGBLED_NUM 30 // Number of LEDs
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#else
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// If not, then only define 15
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# define RGBLED_NUM 15 // Number of LEDs
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#endif
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@ -31,11 +31,14 @@ SWAP_HANDS_ENABLE= yes # Allow swapping hands of keyboard
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SLEEP_LED_ENABLE = no
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API_SYSEX_ENABLE = no
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RGBLIGHT_ENABLE = yes
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RGBLIGHT_CUSTOM_DRIVER = yes
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RGB_MATRIX_ENABLE = no # enable later
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DEBOUNCE_TYPE = eager_pr
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# project specific files
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SRC += matrix.c
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SRC += matrix.c \
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led_i2c.c
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QUANTUM_LIB_SRC += i2c_master.c
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LAYOUTS = ergodox
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