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-rw-r--r--keyboards/ymd75/backlight.c216
-rw-r--r--keyboards/ymd75/backlight_custom.h15
-rw-r--r--keyboards/ymd75/breathing_custom.h140
-rw-r--r--keyboards/ymd75/config.h6
-rw-r--r--keyboards/ymd75/rules.mk6
-rw-r--r--keyboards/ymd75/ymd75.c23
6 files changed, 13 insertions, 393 deletions
diff --git a/keyboards/ymd75/backlight.c b/keyboards/ymd75/backlight.c
deleted file mode 100644
index cb0a97923..000000000
--- a/keyboards/ymd75/backlight.c
+++ /dev/null
@@ -1,216 +0,0 @@
1/**
2 * Backlighting code for PS2AVRGB boards (ATMEGA32A)
3 * Kenneth A. (github.com/krusli | krusli.me)
4 Modified by Wayne K Jones (github.com/WarmCatUK) 2018
5 */
6
7#include "backlight.h"
8#include "quantum.h"
9
10#include <avr/pgmspace.h>
11#include <avr/interrupt.h>
12
13#include "backlight_custom.h"
14#include "breathing_custom.h"
15
16// DEBUG
17#include <stdlib.h>
18#include <stdio.h>
19
20// Port D: digital pins of the AVR chipset
21//#define NUMLOCK_PORT (1 << 2) // 2nd pin of Port D (digital)
22#define CAPSLOCK_PORT (1 << 1) // 1st pin
23#define BACKLIGHT_PORT (1 << 4) // D4
24//#define SCROLLLOCK_PORT (1 << 6) // D6
25
26#define TIMER_CLK_DIV64 0x03 ///< Timer clocked at F_CPU/64
27#define TIMER1PRESCALE TIMER_CLK_DIV64 ///< timer 1 prescaler default
28
29#define TIMER_PRESCALE_MASK 0x07 ///< Timer Prescaler Bit-Mask
30
31#define PWM_MAX 0xFF
32#define TIMER_TOP 255 // 8 bit PWM
33
34extern backlight_config_t backlight_config;
35
36/**
37 * References
38 * Port Registers: https://www.arduino.cc/en/Reference/PortManipulation
39 * TCCR1A: https://electronics.stackexchange.com/questions/92350/what-is-the-difference-between-tccr1a-and-tccr1b
40 * Timers: http://www.avrbeginners.net/architecture/timers/timers.html
41 * 16-bit timer setup: http://sculland.com/ATmega168/Interrupts-And-Timers/16-Bit-Timer-Setup/
42 * PS2AVRGB firmware: https://github.com/showjean/ps2avrU/tree/master/firmware
43 */
44
45// @Override
46// turn LEDs on and off depending on USB caps/num/scroll lock states.
47__attribute__ ((weak))
48void led_set_user(uint8_t usb_led) {
49 /*
50 if (usb_led & (1 << USB_LED_NUM_LOCK)) {
51 // turn on
52 DDRD |= NUMLOCK_PORT;
53 PORTD |= NUMLOCK_PORT;
54 } else {
55 // turn off
56 DDRD &= ~NUMLOCK_PORT;
57 PORTD &= ~NUMLOCK_PORT;
58 }
59 */
60 if (usb_led & (1 << USB_LED_CAPS_LOCK)) {
61 DDRD |= CAPSLOCK_PORT;
62 PORTD |= CAPSLOCK_PORT;
63 } else {
64 DDRD &= ~CAPSLOCK_PORT;
65 PORTD &= ~CAPSLOCK_PORT;
66 }
67 /*
68 if (usb_led & (1 << USB_LED_SCROLL_LOCK)) {
69 DDRD |= SCROLLLOCK_PORT;
70 PORTD |= SCROLLLOCK_PORT;
71 } else {
72 DDRD &= ~SCROLLLOCK_PORT;
73 PORTD &= ~SCROLLLOCK_PORT;
74 }
75 */
76}
77
78#ifdef BACKLIGHT_ENABLE
79
80// sets up Timer 1 for 8-bit PWM
81void timer1PWMSetup(void) { // NOTE ONLY CALL THIS ONCE
82 // default 8 bit mode
83 TCCR1A &= ~(1 << 1); // cbi(TCCR1A,PWM11); <- set PWM11 bit to HIGH
84 TCCR1A |= (1 << 0); // sbi(TCCR1A,PWM10); <- set PWM10 bit to LOW
85
86 // clear output compare value A
87 // outb(OCR1AH, 0);
88 // outb(OCR1AL, 0);
89
90 // clear output comparator registers for B
91 OCR1BH = 0; // outb(OCR1BH, 0);
92 OCR1BL = 0; // outb(OCR1BL, 0);
93}
94
95bool is_init = false;
96void timer1Init(void) {
97 // timer1SetPrescaler(TIMER1PRESCALE)
98 // set to DIV/64
99 (TCCR1B) = ((TCCR1B) & ~TIMER_PRESCALE_MASK) | TIMER1PRESCALE;
100
101 // reset TCNT1
102 TCNT1H = 0; // outb(TCNT1H, 0);
103 TCNT1L = 0; // outb(TCNT1L, 0);
104
105 // TOIE1: Timer Overflow Interrupt Enable (Timer 1);
106 TIMSK |= _BV(TOIE1); // sbi(TIMSK, TOIE1);
107
108 is_init = true;
109}
110
111void timer1UnInit(void) {
112 // set prescaler back to NONE
113 (TCCR1B) = ((TCCR1B) & ~TIMER_PRESCALE_MASK) | 0x00; // TIMERRTC_CLK_STOP
114
115 // disable timer overflow interrupt
116 TIMSK &= ~_BV(TOIE1); // overflow bit?
117
118 setPWM(0);
119
120 is_init = false;
121}
122
123
124// handle TCNT1 overflow
125//! Interrupt handler for tcnt1 overflow interrupt
126ISR(TIMER1_OVF_vect, ISR_NOBLOCK)
127{
128 // sei();
129 // handle breathing here
130 #ifdef BACKLIGHT_BREATHING
131 if (is_breathing()) {
132 custom_breathing_handler();
133 }
134 #endif
135
136 // TODO call user defined function
137}
138
139// enable timer 1 PWM
140// timer1PWMBOn()
141void timer1PWMBEnable(void) {
142 // turn on channel B (OC1B) PWM output
143 // set OC1B as non-inverted PWM
144 TCCR1A |= _BV(COM1B1);
145 TCCR1A &= ~_BV(COM1B0);
146}
147
148// disable timer 1 PWM
149// timer1PWMBOff()
150void timer1PWMBDisable(void) {
151 TCCR1A &= ~_BV(COM1B1);
152 TCCR1A &= ~_BV(COM1B0);
153}
154
155void enableBacklight(void) {
156 DDRD |= BACKLIGHT_PORT; // set digital pin 4 as output
157 PORTD |= BACKLIGHT_PORT; // set digital pin 4 to high
158}
159
160void disableBacklight(void) {
161 // DDRD &= ~BACKLIGHT_PORT; // set digital pin 4 as input
162 PORTD &= ~BACKLIGHT_PORT; // set digital pin 4 to low
163}
164
165void startPWM(void) {
166 timer1Init();
167 timer1PWMBEnable();
168 enableBacklight();
169}
170
171void stopPWM(void) {
172 timer1UnInit();
173 disableBacklight();
174 timer1PWMBDisable();
175}
176
177void b_led_init_ports(void) {
178 /* turn backlight on/off depending on user preference */
179 #if BACKLIGHT_ON_STATE == 0
180 // DDRx register: sets the direction of Port D
181 // DDRD &= ~BACKLIGHT_PORT; // set digital pin 4 as input
182 PORTD &= ~BACKLIGHT_PORT; // set digital pin 4 to low
183 #else
184 DDRD |= BACKLIGHT_PORT; // set digital pin 4 as output
185 PORTD |= BACKLIGHT_PORT; // set digital pin 4 to high
186 #endif
187
188 timer1PWMSetup();
189 startPWM();
190
191 #ifdef BACKLIGHT_BREATHING
192 breathing_enable();
193 #endif
194}
195
196void b_led_set(uint8_t level) {
197 if (level > BACKLIGHT_LEVELS) {
198 level = BACKLIGHT_LEVELS;
199 }
200
201 setPWM((int)(TIMER_TOP * (float) level / BACKLIGHT_LEVELS));
202}
203
204// called every matrix scan
205void b_led_task(void) {
206 // do nothing for now
207}
208
209void setPWM(uint16_t xValue) {
210 if (xValue > TIMER_TOP) {
211 xValue = TIMER_TOP;
212 }
213 OCR1B = xValue; // timer1PWMBSet(xValue);
214}
215
216#endif // BACKLIGHT_ENABLE
diff --git a/keyboards/ymd75/backlight_custom.h b/keyboards/ymd75/backlight_custom.h
deleted file mode 100644
index 7210be840..000000000
--- a/keyboards/ymd75/backlight_custom.h
+++ /dev/null
@@ -1,15 +0,0 @@
1/**
2 * Backlighting code for PS2AVRGB boards (ATMEGA32A)
3 * Kenneth A. (github.com/krusli | krusli.me)
4 */
5
6#ifndef BACKLIGHT_CUSTOM_H
7#define BACKLIGHT_CUSTOM_H
8
9#include <avr/pgmspace.h>
10void b_led_init_ports(void);
11void b_led_set(uint8_t level);
12void b_led_task(void);
13void setPWM(uint16_t xValue);
14
15#endif // BACKLIGHT_CUSTOM_H
diff --git a/keyboards/ymd75/breathing_custom.h b/keyboards/ymd75/breathing_custom.h
deleted file mode 100644
index 71416b1b4..000000000
--- a/keyboards/ymd75/breathing_custom.h
+++ /dev/null
@@ -1,140 +0,0 @@
1/**
2 * Breathing effect code for PS2AVRGB boards (ATMEGA32A)
3 * Works in conjunction with `backlight.c`.
4 *
5 * Code adapted from `quantum.c` to register with the existing TIMER1 overflow
6 * handler in `backlight.c` instead of setting up its own timer.
7 * Kenneth A. (github.com/krusli | krusli.me)
8 */
9
10#ifdef BACKLIGHT_ENABLE
11#ifdef BACKLIGHT_BREATHING
12
13#include "backlight_custom.h"
14
15#ifndef BREATHING_PERIOD
16#define BREATHING_PERIOD 6
17#endif
18
19#define breathing_min() do {breathing_counter = 0;} while (0)
20#define breathing_max() do {breathing_counter = breathing_period * 244 / 2;} while (0)
21
22// TODO make this share code with quantum.c
23
24#define BREATHING_NO_HALT 0
25#define BREATHING_HALT_OFF 1
26#define BREATHING_HALT_ON 2
27#define BREATHING_STEPS 128
28
29static uint8_t breathing_period = BREATHING_PERIOD;
30static uint8_t breathing_halt = BREATHING_NO_HALT;
31static uint16_t breathing_counter = 0;
32
33static bool breathing = false;
34
35bool is_breathing(void) {
36 return breathing;
37}
38
39// See http://jared.geek.nz/2013/feb/linear-led-pwm
40static uint16_t cie_lightness(uint16_t v) {
41 if (v <= 5243) // if below 8% of max
42 return v / 9; // same as dividing by 900%
43 else {
44 uint32_t y = (((uint32_t) v + 10486) << 8) / (10486 + 0xFFFFUL); // add 16% of max and compare
45 // to get a useful result with integer division, we shift left in the expression above
46 // and revert what we've done again after squaring.
47 y = y * y * y >> 8;
48 if (y > 0xFFFFUL) // prevent overflow
49 return 0xFFFFU;
50 else
51 return (uint16_t) y;
52 }
53}
54
55void breathing_enable(void) {
56 breathing = true;
57 breathing_counter = 0;
58 breathing_halt = BREATHING_NO_HALT;
59 // interrupt already registered
60}
61
62void breathing_pulse(void) {
63 if (get_backlight_level() == 0)
64 breathing_min();
65 else
66 breathing_max();
67 breathing_halt = BREATHING_HALT_ON;
68 // breathing_interrupt_enable();
69 breathing = true;
70}
71
72void breathing_disable(void) {
73 breathing = false;
74 // backlight_set(get_backlight_level());
75 b_led_set(get_backlight_level()); // custom implementation of backlight_set()
76}
77
78void breathing_self_disable(void)
79{
80 if (get_backlight_level() == 0)
81 breathing_halt = BREATHING_HALT_OFF;
82 else
83 breathing_halt = BREATHING_HALT_ON;
84}
85
86void breathing_toggle(void) {
87 if (is_breathing())
88 breathing_disable();
89 else
90 breathing_enable();
91}
92
93void breathing_period_set(uint8_t value)
94{
95 if (!value)
96 value = 1;
97 breathing_period = value;
98}
99
100void breathing_period_default(void) {
101 breathing_period_set(BREATHING_PERIOD);
102}
103
104void breathing_period_inc(void)
105{
106 breathing_period_set(breathing_period+1);
107}
108
109void breathing_period_dec(void)
110{
111 breathing_period_set(breathing_period-1);
112}
113
114/* To generate breathing curve in python:
115 * from math import sin, pi; [int(sin(x/128.0*pi)**4*255) for x in range(128)]
116 */
117static const uint8_t breathing_table[BREATHING_STEPS] PROGMEM = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 28, 32, 36, 41, 46, 51, 57, 63, 70, 76, 83, 91, 98, 106, 113, 121, 129, 138, 146, 154, 162, 170, 178, 185, 193, 200, 207, 213, 220, 225, 231, 235, 240, 244, 247, 250, 252, 253, 254, 255, 254, 253, 252, 250, 247, 244, 240, 235, 231, 225, 220, 213, 207, 200, 193, 185, 178, 170, 162, 154, 146, 138, 129, 121, 113, 106, 98, 91, 83, 76, 70, 63, 57, 51, 46, 41, 36, 32, 28, 24, 20, 17, 15, 12, 10, 8, 6, 5, 4, 3, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
118
119// Use this before the cie_lightness function.
120static inline uint16_t scale_backlight(uint16_t v) {
121 return v / BACKLIGHT_LEVELS * get_backlight_level();
122}
123
124void custom_breathing_handler(void) {
125 uint16_t interval = (uint16_t) breathing_period * 244 / BREATHING_STEPS;
126 // resetting after one period to prevent ugly reset at overflow.
127 breathing_counter = (breathing_counter + 1) % (breathing_period * 244);
128 uint8_t index = breathing_counter / interval % BREATHING_STEPS;
129
130 if (((breathing_halt == BREATHING_HALT_ON) && (index == BREATHING_STEPS / 2)) ||
131 ((breathing_halt == BREATHING_HALT_OFF) && (index == BREATHING_STEPS - 1)))
132 {
133 // breathing_interrupt_disable();
134 }
135
136 setPWM(cie_lightness(scale_backlight((uint16_t) pgm_read_byte(&breathing_table[index]) * 0x0101U)));
137}
138
139#endif // BACKLIGHT_BREATHING
140#endif // BACKLIGHT_ENABLE
diff --git a/keyboards/ymd75/config.h b/keyboards/ymd75/config.h
index 00f6bd292..88916be62 100644
--- a/keyboards/ymd75/config.h
+++ b/keyboards/ymd75/config.h
@@ -17,8 +17,7 @@ You should have received a copy of the GNU General Public License
17along with this program. If not, see <http://www.gnu.org/licenses/>. 17along with this program. If not, see <http://www.gnu.org/licenses/>.
18*/ 18*/
19 19
20#ifndef CONFIG_H 20#pragma once
21#define CONFIG_H
22 21
23#include "config_common.h" 22#include "config_common.h"
24 23
@@ -39,6 +38,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
39#define MATRIX_COL_PINS { A0, A1, A2, A3, A4, A5, A6, A7, C7, C6, C5, C4, C3, C2, D7 } 38#define MATRIX_COL_PINS { A0, A1, A2, A3, A4, A5, A6, A7, C7, C6, C5, C4, C3, C2, D7 }
40#define DIODE_DIRECTION COL2ROW 39#define DIODE_DIRECTION COL2ROW
41 40
41#define BACKLIGHT_PIN D4
42#define BACKLIGHT_LEVELS 12 42#define BACKLIGHT_LEVELS 12
43 43
44#define RGB_DI_PIN E2 44#define RGB_DI_PIN E2
@@ -49,5 +49,3 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
49#define RGBLIGHT_VAL_STEP 18 49#define RGBLIGHT_VAL_STEP 18
50 50
51#define NO_UART 1 51#define NO_UART 1
52
53#endif
diff --git a/keyboards/ymd75/rules.mk b/keyboards/ymd75/rules.mk
index eb41e19cf..9d584b2b4 100644
--- a/keyboards/ymd75/rules.mk
+++ b/keyboards/ymd75/rules.mk
@@ -23,14 +23,8 @@ WS2812_DRIVER = i2c
23NKRO_ENABLE = no 23NKRO_ENABLE = no
24# Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work 24# Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
25 25
26
27DISABLE_WS2812 = no 26DISABLE_WS2812 = no
28 27
29KEY_LOCK_ENABLE = yes 28KEY_LOCK_ENABLE = yes
30# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE 29# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
31SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend 30SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
32
33
34#OPT_DEFS = -DDEBUG_LEVEL=0
35
36SRC = backlight.c
diff --git a/keyboards/ymd75/ymd75.c b/keyboards/ymd75/ymd75.c
index e32a745bf..1c5c38039 100644
--- a/keyboards/ymd75/ymd75.c
+++ b/keyboards/ymd75/ymd75.c
@@ -17,20 +17,19 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
17 17
18#include "ymd75.h" 18#include "ymd75.h"
19 19
20#include "backlight.h" 20void keyboard_pre_init_kb(void) {
21#include "backlight_custom.h" 21 led_init_ports();
22 22 keyboard_pre_init_user();
23#ifdef BACKLIGHT_ENABLE
24/// Overrides functions in `quantum.c`
25void backlight_init_ports(void) {
26 b_led_init_ports();
27} 23}
28 24
29void backlight_task(void) { 25void led_init_ports(void) {
30 b_led_task(); 26 setPinOutput(D1);
27 writePinHigh(D1);
31} 28}
32 29
33void backlight_set(uint8_t level) { 30bool led_update_kb(led_t led_state) {
34 b_led_set(level); 31 if (led_update_user(led_state)) {
32 writePin(D1, !led_state.caps_lock);
33 }
34 return true;
35} 35}
36#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-27 03:12:50 +0000