~ruther/qmk_firmware

08b405e1e93fbd1aa9aa061ce4ee271b6ac9e60c — Nick Brassel 5 years ago e8d577c + 13eda1b
planck/rev6: Enable WS2812 LED matrix with pwm drivers (#9735)

* planck/rev6: Enable WS2812 LED matrix with pwm drivers

* Comments and cleanup.

* GPL2+ Licensing

Co-authored-by: Nick Brassel <nick@tzarc.org>
A keyboards/planck/rev6/chconf.h => keyboards/planck/rev6/chconf.h +21 -0
@@ 0,0 1,21 @@
/* Copyright 2020 QMK Contributors
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

// Need to override the SysTick timer to use TIM3 -- this is a 16-bit timer on F303
// so we need to change resolution and frequency to match.
#define CH_CFG_ST_RESOLUTION 16
#define CH_CFG_ST_FREQUENCY 10000
#include_next "chconf.h"

M keyboards/planck/rev6/config.h => keyboards/planck/rev6/config.h +11 -10
@@ 126,17 126,18 @@
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1

// #define WS2812_LED_N 2
// #define RGBLED_NUM WS2812_LED_N
// #define WS2812_TIM_N 2
// #define WS2812_TIM_CH 2
// #define PORT_WS2812     GPIOA
// #define PIN_WS2812      1
// #define WS2812_DMA_STREAM STM32_DMA1_STREAM2  // DMA stream for TIMx_UP (look up in reference manual under DMA Channel selection)
//#define WS2812_DMA_CHANNEL 7                  // DMA channel for TIMx_UP
//#define WS2812_EXTERNAL_PULLUP

/*
 * WS2812 Underglow Matrix options
 */
#define RGB_DI_PIN A1
#define RGBLED_NUM 9
#define RGBLIGHT_ANIMATIONS
#define DRIVER_LED_TOTAL RGBLED_NUM

#define WS2812_PWM_DRIVER PWMD2
#define WS2812_PWM_CHANNEL 2
#define WS2812_PWM_PAL_MODE 1
#define WS2812_DMA_STREAM STM32_DMA1_STREAM2
#define WS2812_DMA_CHANNEL 2

#endif

A keyboards/planck/rev6/mcuconf.h => keyboards/planck/rev6/mcuconf.h +30 -0
@@ 0,0 1,30 @@
/* Copyright 2020 QMK Contributors
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

#include_next "mcuconf.h"

// The SysTick timer from the normal quantum/stm32 uses TIM2 -- the WS2812 pin used
// on the Planck requires the use of TIM2 to run PWM -- rework which timers are
// allocated for PWM usage.
#undef STM32_PWM_USE_TIM2
#undef STM32_PWM_USE_TIM3
#define STM32_PWM_USE_TIM2 TRUE
#define STM32_PWM_USE_TIM3 FALSE

// As mentioned above, we need to reallocate the SysTick timer used from
// TIM2 to TIM3.
#undef STM32_ST_USE_TIMER
#define STM32_ST_USE_TIMER 3

M keyboards/planck/rev6/rev6.c => keyboards/planck/rev6/rev6.c +19 -0
@@ 15,6 15,25 @@
 */
#include "rev6.h"

led_config_t g_led_config = { {
  // Key Matrix to LED Index
  { NO_LED, 6,      NO_LED, NO_LED, 5,      NO_LED },
  { NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED },
  { NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, 0      },
  { NO_LED, 7,      NO_LED, NO_LED, 2,      NO_LED },
  { NO_LED, 4,      NO_LED, NO_LED, 3,      NO_LED },
  { NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED },
  { NO_LED, NO_LED, NO_LED, NO_LED, NO_LED, NO_LED },
  { NO_LED, 1,      NO_LED, NO_LED, 8,      NO_LED },
}, {
  // LED Index to Physical Position
  {112, 39}, {148, 60}, {206, 53}, {206, 3}, {150, 3}, {74, 3}, {18, 3}, {18, 54}, {77, 60}
}, {
  // LED Index to Flag
  LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL,
  LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL, LED_FLAG_ALL
} };

void matrix_init_kb(void) {
	matrix_init_user();
}

M keyboards/planck/rev6/rules.mk => keyboards/planck/rev6/rules.mk +2 -1
@@ 18,13 18,14 @@ AUDIO_ENABLE = yes           # Audio output
UNICODE_ENABLE = no         # Unicode
BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
RGBLIGHT_ENABLE = yes        # Enable WS2812 RGB underlight.
WS2812_DRIVER = bitbang
WS2812_DRIVER = pwm
API_SYSEX_ENABLE = no

# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
#SLEEP_LED_ENABLE = yes  # Breathing sleep LED during USB suspend

RGB_MATRIX_ENABLE = WS2812
# SERIAL_LINK_ENABLE = yes
ENCODER_ENABLE = yes
DIP_SWITCH_ENABLE = yes