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planck/rev6: Enable WS2812 LED matrix with pwm drivers (#9735)

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

* Comments and cleanup.

* GPL2+ Licensing

Co-authored-by: Nick Brassel <nick@tzarc.org>
This commit is contained in:
Nick Brassel 2020-07-16 15:15:04 +10:00 committed by GitHub
commit 08b405e1e9
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5 changed files with 83 additions and 11 deletions
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21
keyboards/planck/rev6/chconf.h Normal file
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@ -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"

21
keyboards/planck/rev6/config.h
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@ -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

30
keyboards/planck/rev6/mcuconf.h Normal file
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@ -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

19
keyboards/planck/rev6/rev6.c
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@ -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();
}

3
keyboards/planck/rev6/rules.mk
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@ -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