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-rw-r--r--keyboards/ymd96/backlight.c214
-rw-r--r--keyboards/ymd96/backlight_custom.h15
-rw-r--r--keyboards/ymd96/breathing_custom.h140
-rw-r--r--keyboards/ymd96/config.h8
-rw-r--r--keyboards/ymd96/rules.mk3
-rw-r--r--keyboards/ymd96/ymd96.c26
6 files changed, 17 insertions, 389 deletions
diff --git a/keyboards/ymd96/backlight.c b/keyboards/ymd96/backlight.c
deleted file mode 100644
index f3f2b7a05..000000000
--- a/keyboards/ymd96/backlight.c
+++ /dev/null
@@ -1,214 +0,0 @@
1/**
2 * Backlighting code for PS2AVRGB boards (ATMEGA32A)
3 * Kenneth A. (github.com/krusli | krusli.me)
4 */
5
6#include "backlight.h"
7#include "quantum.h"
8
9#include <avr/pgmspace.h>
10#include <avr/interrupt.h>
11
12#include "backlight_custom.h"
13#include "breathing_custom.h"
14
15// DEBUG
16#include <stdlib.h>
17#include <stdio.h>
18
19// Port D: digital pins of the AVR chipset
20#define NUMLOCK_PORT (1 << 0) // 0th pin of Port D (digital)
21#define CAPSLOCK_PORT (1 << 1) // 1st pin
22#define BACKLIGHT_PORT (1 << 4) // D4
23//#define SCROLLLOCK_PORT (1 << 6) // D6
24
25#define TIMER_CLK_DIV64 0x03 ///< Timer clocked at F_CPU/64
26#define TIMER1PRESCALE TIMER_CLK_DIV64 ///< timer 1 prescaler default
27
28#define TIMER_PRESCALE_MASK 0x07 ///< Timer Prescaler Bit-Mask
29
30#define PWM_MAX 0xFF
31#define TIMER_TOP 255 // 8 bit PWM
32
33extern backlight_config_t backlight_config;
34
35/**
36 * References
37 * Port Registers: https://www.arduino.cc/en/Reference/PortManipulation
38 * TCCR1A: https://electronics.stackexchange.com/questions/92350/what-is-the-difference-between-tccr1a-and-tccr1b
39 * Timers: http://www.avrbeginners.net/architecture/timers/timers.html
40 * 16-bit timer setup: http://sculland.com/ATmega168/Interrupts-And-Timers/16-Bit-Timer-Setup/
41 * PS2AVRGB firmware: https://github.com/showjean/ps2avrU/tree/master/firmware
42 */
43
44// @Override
45// turn LEDs on and off depending on USB caps/num/scroll lock states.
46__attribute__ ((weak))
47void led_set_user(uint8_t usb_led) {
48 if (usb_led & (1 << USB_LED_NUM_LOCK)) {
49 // turn on
50 DDRD |= NUMLOCK_PORT;
51 PORTD |= NUMLOCK_PORT;
52 } else {
53 // turn off
54 DDRD &= ~NUMLOCK_PORT;
55 PORTD &= ~NUMLOCK_PORT;
56 }
57
58 if (usb_led & (1 << USB_LED_CAPS_LOCK)) {
59 DDRD |= CAPSLOCK_PORT;
60 PORTD |= CAPSLOCK_PORT;
61 } else {
62 DDRD &= ~CAPSLOCK_PORT;
63 PORTD &= ~CAPSLOCK_PORT;
64 }
65
66 /* YMD96 does not have scroll lock led
67 if (usb_led & (1 << USB_LED_SCROLL_LOCK)) {
68 DDRD |= SCROLLLOCK_PORT;
69 PORTD |= SCROLLLOCK_PORT;
70 } else {
71 DDRD &= ~SCROLLLOCK_PORT;
72 PORTD &= ~SCROLLLOCK_PORT;
73 }*/
74}
75
76#ifdef BACKLIGHT_ENABLE
77
78// sets up Timer 1 for 8-bit PWM
79void timer1PWMSetup(void) { // NOTE ONLY CALL THIS ONCE
80 // default 8 bit mode
81 TCCR1A &= ~(1 << 1); // cbi(TCCR1A,PWM11); <- set PWM11 bit to HIGH
82 TCCR1A |= (1 << 0); // sbi(TCCR1A,PWM10); <- set PWM10 bit to LOW
83
84 // clear output compare value A
85 // outb(OCR1AH, 0);
86 // outb(OCR1AL, 0);
87
88 // clear output comparator registers for B
89 OCR1BH = 0; // outb(OCR1BH, 0);
90 OCR1BL = 0; // outb(OCR1BL, 0);
91}
92
93bool is_init = false;
94void timer1Init(void) {
95 // timer1SetPrescaler(TIMER1PRESCALE)
96 // set to DIV/64
97 (TCCR1B) = ((TCCR1B) & ~TIMER_PRESCALE_MASK) | TIMER1PRESCALE;
98
99 // reset TCNT1
100 TCNT1H = 0; // outb(TCNT1H, 0);
101 TCNT1L = 0; // outb(TCNT1L, 0);
102
103 // TOIE1: Timer Overflow Interrupt Enable (Timer 1);
104 TIMSK |= _BV(TOIE1); // sbi(TIMSK, TOIE1);
105
106 is_init = true;
107}
108
109void timer1UnInit(void) {
110 // set prescaler back to NONE
111 (TCCR1B) = ((TCCR1B) & ~TIMER_PRESCALE_MASK) | 0x00; // TIMERRTC_CLK_STOP
112
113 // disable timer overflow interrupt
114 TIMSK &= ~_BV(TOIE1); // overflow bit?
115
116 setPWM(0);
117
118 is_init = false;
119}
120
121
122// handle TCNT1 overflow
123//! Interrupt handler for tcnt1 overflow interrupt
124ISR(TIMER1_OVF_vect, ISR_NOBLOCK)
125{
126 // sei();
127 // handle breathing here
128 #ifdef BACKLIGHT_BREATHING
129 if (is_breathing()) {
130 custom_breathing_handler();
131 }
132 #endif
133
134 // TODO call user defined function
135}
136
137// enable timer 1 PWM
138// timer1PWMBOn()
139void timer1PWMBEnable(void) {
140 // turn on channel B (OC1B) PWM output
141 // set OC1B as non-inverted PWM
142 TCCR1A |= _BV(COM1B1);
143 TCCR1A &= ~_BV(COM1B0);
144}
145
146// disable timer 1 PWM
147// timer1PWMBOff()
148void timer1PWMBDisable(void) {
149 TCCR1A &= ~_BV(COM1B1);
150 TCCR1A &= ~_BV(COM1B0);
151}
152
153void enableBacklight(void) {
154 DDRD |= BACKLIGHT_PORT; // set digital pin 4 as output
155 PORTD |= BACKLIGHT_PORT; // set digital pin 4 to high
156}
157
158void disableBacklight(void) {
159 // DDRD &= ~BACKLIGHT_PORT; // set digital pin 4 as input
160 PORTD &= ~BACKLIGHT_PORT; // set digital pin 4 to low
161}
162
163void startPWM(void) {
164 timer1Init();
165 timer1PWMBEnable();
166 enableBacklight();
167}
168
169void stopPWM(void) {
170 timer1UnInit();
171 disableBacklight();
172 timer1PWMBDisable();
173}
174
175void b_led_init_ports(void) {
176 /* turn backlight on/off depending on user preference */
177 #if BACKLIGHT_ON_STATE == 0
178 // DDRx register: sets the direction of Port D
179 // DDRD &= ~BACKLIGHT_PORT; // set digital pin 4 as input
180 PORTD &= ~BACKLIGHT_PORT; // set digital pin 4 to low
181 #else
182 DDRD |= BACKLIGHT_PORT; // set digital pin 4 as output
183 PORTD |= BACKLIGHT_PORT; // set digital pin 4 to high
184 #endif
185
186 timer1PWMSetup();
187 startPWM();
188
189 #ifdef BACKLIGHT_BREATHING
190 breathing_enable();
191 #endif
192}
193
194void b_led_set(uint8_t level) {
195 if (level > BACKLIGHT_LEVELS) {
196 level = BACKLIGHT_LEVELS;
197 }
198
199 setPWM((int)(TIMER_TOP * (float) level / BACKLIGHT_LEVELS));
200}
201
202// called every matrix scan
203void b_led_task(void) {
204 // do nothing for now
205}
206
207void setPWM(uint16_t xValue) {
208 if (xValue > TIMER_TOP) {
209 xValue = TIMER_TOP;
210 }
211 OCR1B = xValue; // timer1PWMBSet(xValue);
212}
213
214#endif // BACKLIGHT_ENABLE
diff --git a/keyboards/ymd96/backlight_custom.h b/keyboards/ymd96/backlight_custom.h
deleted file mode 100644
index 7210be840..000000000
--- a/keyboards/ymd96/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/ymd96/breathing_custom.h b/keyboards/ymd96/breathing_custom.h
deleted file mode 100644
index 71416b1b4..000000000
--- a/keyboards/ymd96/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/ymd96/config.h b/keyboards/ymd96/config.h
index 1232f90c2..d761e6037 100644
--- a/keyboards/ymd96/config.h
+++ b/keyboards/ymd96/config.h
@@ -18,8 +18,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
18 18
19#include "config_common.h" 19#include "config_common.h"
20 20
21#ifndef CONFIG_H 21#pragma once
22#define CONFIG_H
23 22
24#define VENDOR_ID 0x20A0 23#define VENDOR_ID 0x20A0
25#define PRODUCT_ID 0x422D 24#define PRODUCT_ID 0x422D
@@ -38,8 +37,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
38/* COL2ROW or ROW2COL */ 37/* COL2ROW or ROW2COL */
39#define DIODE_DIRECTION COL2ROW 38#define DIODE_DIRECTION COL2ROW
40 39
40#define BACKLIGHT_PIN D4
41#define BACKLIGHT_LEVELS 12 41#define BACKLIGHT_LEVELS 12
42// #define BACKLIGHT_BREATHING // works, but BL_TOGG might not work 42#define BACKLIGHT_BREATHING
43 43
44#define TAPPING_TOGGLE 3 44#define TAPPING_TOGGLE 3
45 45
@@ -55,5 +55,3 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
55/*#define RGBLIGHT_VAL_STEP 20 55/*#define RGBLIGHT_VAL_STEP 20
56 56
57#define NO_UART 1*/ 57#define NO_UART 1*/
58
59#endif
diff --git a/keyboards/ymd96/rules.mk b/keyboards/ymd96/rules.mk
index 3c892daab..b7571649b 100644
--- a/keyboards/ymd96/rules.mk
+++ b/keyboards/ymd96/rules.mk
@@ -19,7 +19,6 @@ CONSOLE_ENABLE = no
19COMMAND_ENABLE = no 19COMMAND_ENABLE = no
20 20
21BACKLIGHT_ENABLE = yes 21BACKLIGHT_ENABLE = yes
22BACKLIGHT_CUSTOM_DRIVER = yes
23 22
24RGBLIGHT_ENABLE = yes 23RGBLIGHT_ENABLE = yes
25WS2812_DRIVER = i2c 24WS2812_DRIVER = i2c
@@ -30,5 +29,3 @@ KEY_LOCK_ENABLE = yes
30SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend 29SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
31 30
32OPT_DEFS = -DDEBUG_LEVEL=0 31OPT_DEFS = -DDEBUG_LEVEL=0
33
34SRC = backlight.c
diff --git a/keyboards/ymd96/ymd96.c b/keyboards/ymd96/ymd96.c
index eae84ade1..c81435e45 100644
--- a/keyboards/ymd96/ymd96.c
+++ b/keyboards/ymd96/ymd96.c
@@ -18,20 +18,22 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
18 18
19#include "ymd96.h" 19#include "ymd96.h"
20 20
21#include "backlight.h" 21void keyboard_pre_init_kb(void) {
22#include "backlight_custom.h" 22 led_init_ports();
23 23 keyboard_pre_init_user();
24#ifdef BACKLIGHT_ENABLE
25/// Overrides functions in `quantum.c`
26void backlight_init_ports(void) {
27 b_led_init_ports();
28} 24}
29 25
30void backlight_task(void) { 26void led_init_ports(void) {
31 b_led_task(); 27 setPinOutput(D0);
28 setPinOutput(D1);
29 writePinHigh(D0);
30 writePinHigh(D1);
32} 31}
33 32
34void backlight_set(uint8_t level) { 33bool led_update_kb(led_t led_state) {
35 b_led_set(level); 34 if (led_update_user(led_state)) {
35 writePin(D0, !led_state.num_lock);
36 writePin(D1, !led_state.caps_lock);
37 }
38 return true;
36} 39}
37#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-19 12:33:42 +0000