* Refactor 4x4 in line with current ps2avrgb template * Add backlight pwm bodge till #4324 lands * Disable bootmagic lite as it seems to not work on atmega32a/bootloadHIDpull/5589/head
@ -1,213 +0,0 @@ | |||
/** | |||
* Backlighting code for PS2AVRGB boards (ATMEGA32A) | |||
* Kenneth A. (github.com/krusli | krusli.me) | |||
*/ | |||
#include "backlight.h" | |||
#include "quantum.h" | |||
#include <avr/pgmspace.h> | |||
#include <avr/interrupt.h> | |||
#include "backlight_custom.h" | |||
#include "breathing_custom.h" | |||
// DEBUG | |||
#include <stdlib.h> | |||
#include <stdio.h> | |||
// Port D: digital pins of the AVR chipset | |||
#define NUMLOCK_PORT (1 << 0) // D0 | |||
#define CAPSLOCK_PORT (1 << 1) // D1 | |||
#define BACKLIGHT_PORT (1 << 4) // D4 | |||
#define SCROLLLOCK_PORT (1 << 6) // D6 | |||
#define TIMER_CLK_DIV64 0x03 ///< Timer clocked at F_CPU/64 | |||
#define TIMER1PRESCALE TIMER_CLK_DIV64 ///< timer 1 prescaler default | |||
#define TIMER_PRESCALE_MASK 0x07 ///< Timer Prescaler Bit-Mask | |||
#define PWM_MAX 0xFF | |||
#define TIMER_TOP 255 // 8 bit PWM | |||
extern backlight_config_t backlight_config; | |||
/** | |||
* References | |||
* Port Registers: https://www.arduino.cc/en/Reference/PortManipulation | |||
* TCCR1A: https://electronics.stackexchange.com/questions/92350/what-is-the-difference-between-tccr1a-and-tccr1b | |||
* Timers: http://www.avrbeginners.net/architecture/timers/timers.html | |||
* 16-bit timer setup: http://sculland.com/ATmega168/Interrupts-And-Timers/16-Bit-Timer-Setup/ | |||
* PS2AVRGB firmware: https://github.com/showjean/ps2avrU/tree/master/firmware | |||
*/ | |||
// @Override | |||
// turn LEDs on and off depending on USB caps/num/scroll lock states. | |||
__attribute__ ((weak)) | |||
void led_set_user(uint8_t usb_led) { | |||
if (usb_led & (1 << USB_LED_NUM_LOCK)) { | |||
// turn on | |||
DDRD |= NUMLOCK_PORT; | |||
PORTD |= NUMLOCK_PORT; | |||
} else { | |||
// turn off | |||
DDRD &= ~NUMLOCK_PORT; | |||
PORTD &= ~NUMLOCK_PORT; | |||
} | |||
if (usb_led & (1 << USB_LED_CAPS_LOCK)) { | |||
DDRD |= CAPSLOCK_PORT; | |||
PORTD |= CAPSLOCK_PORT; | |||
} else { | |||
DDRD &= ~CAPSLOCK_PORT; | |||
PORTD &= ~CAPSLOCK_PORT; | |||
} | |||
if (usb_led & (1 << USB_LED_SCROLL_LOCK)) { | |||
DDRD |= SCROLLLOCK_PORT; | |||
PORTD |= SCROLLLOCK_PORT; | |||
} else { | |||
DDRD &= ~SCROLLLOCK_PORT; | |||
PORTD &= ~SCROLLLOCK_PORT; | |||
} | |||
} | |||
#ifdef BACKLIGHT_ENABLE | |||
// sets up Timer 1 for 8-bit PWM | |||
void timer1PWMSetup(void) { // NOTE ONLY CALL THIS ONCE | |||
// default 8 bit mode | |||
TCCR1A &= ~(1 << 1); // cbi(TCCR1A,PWM11); <- set PWM11 bit to HIGH | |||
TCCR1A |= (1 << 0); // sbi(TCCR1A,PWM10); <- set PWM10 bit to LOW | |||
// clear output compare value A | |||
// outb(OCR1AH, 0); | |||
// outb(OCR1AL, 0); | |||
// clear output comparator registers for B | |||
OCR1BH = 0; // outb(OCR1BH, 0); | |||
OCR1BL = 0; // outb(OCR1BL, 0); | |||
} | |||
bool is_init = false; | |||
void timer1Init(void) { | |||
// timer1SetPrescaler(TIMER1PRESCALE) | |||
// set to DIV/64 | |||
(TCCR1B) = ((TCCR1B) & ~TIMER_PRESCALE_MASK) | TIMER1PRESCALE; | |||
// reset TCNT1 | |||
TCNT1H = 0; // outb(TCNT1H, 0); | |||
TCNT1L = 0; // outb(TCNT1L, 0); | |||
// TOIE1: Timer Overflow Interrupt Enable (Timer 1); | |||
TIMSK |= _BV(TOIE1); // sbi(TIMSK, TOIE1); | |||
is_init = true; | |||
} | |||
void timer1UnInit(void) { | |||
// set prescaler back to NONE | |||
(TCCR1B) = ((TCCR1B) & ~TIMER_PRESCALE_MASK) | 0x00; // TIMERRTC_CLK_STOP | |||
// disable timer overflow interrupt | |||
TIMSK &= ~_BV(TOIE1); // overflow bit? | |||
setPWM(0); | |||
is_init = false; | |||
} | |||
// handle TCNT1 overflow | |||
//! Interrupt handler for tcnt1 overflow interrupt | |||
ISR(TIMER1_OVF_vect, ISR_NOBLOCK) | |||
{ | |||
// sei(); | |||
// handle breathing here | |||
#ifdef BACKLIGHT_BREATHING | |||
if (is_breathing()) { | |||
custom_breathing_handler(); | |||
} | |||
#endif | |||
// TODO call user defined function | |||
} | |||
// enable timer 1 PWM | |||
// timer1PWMBOn() | |||
void timer1PWMBEnable(void) { | |||
// turn on channel B (OC1B) PWM output | |||
// set OC1B as non-inverted PWM | |||
TCCR1A |= _BV(COM1B1); | |||
TCCR1A &= ~_BV(COM1B0); | |||
} | |||
// disable timer 1 PWM | |||
// timer1PWMBOff() | |||
void timer1PWMBDisable(void) { | |||
TCCR1A &= ~_BV(COM1B1); | |||
TCCR1A &= ~_BV(COM1B0); | |||
} | |||
void enableBacklight(void) { | |||
DDRD |= BACKLIGHT_PORT; // set digital pin 4 as output | |||
PORTD |= BACKLIGHT_PORT; // set digital pin 4 to high | |||
} | |||
void disableBacklight(void) { | |||
// DDRD &= ~BACKLIGHT_PORT; // set digital pin 4 as input | |||
PORTD &= ~BACKLIGHT_PORT; // set digital pin 4 to low | |||
} | |||
void startPWM(void) { | |||
timer1Init(); | |||
timer1PWMBEnable(); | |||
enableBacklight(); | |||
} | |||
void stopPWM(void) { | |||
timer1UnInit(); | |||
disableBacklight(); | |||
timer1PWMBDisable(); | |||
} | |||
void b_led_init_ports(void) { | |||
/* turn backlight on/off depending on user preference */ | |||
#if BACKLIGHT_ON_STATE == 0 | |||
// DDRx register: sets the direction of Port D | |||
// DDRD &= ~BACKLIGHT_PORT; // set digital pin 4 as input | |||
PORTD &= ~BACKLIGHT_PORT; // set digital pin 4 to low | |||
#else | |||
DDRD |= BACKLIGHT_PORT; // set digital pin 4 as output | |||
PORTD |= BACKLIGHT_PORT; // set digital pin 4 to high | |||
#endif | |||
timer1PWMSetup(); | |||
startPWM(); | |||
#ifdef BACKLIGHT_BREATHING | |||
breathing_enable(); | |||
#endif | |||
} | |||
void b_led_set(uint8_t level) { | |||
if (level > BACKLIGHT_LEVELS) { | |||
level = BACKLIGHT_LEVELS; | |||
} | |||
setPWM((int)(TIMER_TOP * (float) level / BACKLIGHT_LEVELS)); | |||
} | |||
// called every matrix scan | |||
void b_led_task(void) { | |||
// do nothing for now | |||
} | |||
void setPWM(uint16_t xValue) { | |||
if (xValue > TIMER_TOP) { | |||
xValue = TIMER_TOP; | |||
} | |||
OCR1B = xValue; // timer1PWMBSet(xValue); | |||
} | |||
#endif // BACKLIGHT_ENABLE |
@ -1,15 +0,0 @@ | |||
/** | |||
* Backlighting code for PS2AVRGB boards (ATMEGA32A) | |||
* Kenneth A. (github.com/krusli | krusli.me) | |||
*/ | |||
#ifndef BACKLIGHT_CUSTOM_H | |||
#define BACKLIGHT_CUSTOM_H | |||
#include <avr/pgmspace.h> | |||
void b_led_init_ports(void); | |||
void b_led_set(uint8_t level); | |||
void b_led_task(void); | |||
void setPWM(uint16_t xValue); | |||
#endif // BACKLIGHT_CUSTOM_H |
@ -1,140 +0,0 @@ | |||
/** | |||
* Breathing effect code for PS2AVRGB boards (ATMEGA32A) | |||
* Works in conjunction with `backlight.c`. | |||
* | |||
* Code adapted from `quantum.c` to register with the existing TIMER1 overflow | |||
* handler in `backlight.c` instead of setting up its own timer. | |||
* Kenneth A. (github.com/krusli | krusli.me) | |||
*/ | |||
#ifdef BACKLIGHT_ENABLE | |||
#ifdef BACKLIGHT_BREATHING | |||
#include "backlight_custom.h" | |||
#ifndef BREATHING_PERIOD | |||
#define BREATHING_PERIOD 6 | |||
#endif | |||
#define breathing_min() do {breathing_counter = 0;} while (0) | |||
#define breathing_max() do {breathing_counter = breathing_period * 244 / 2;} while (0) | |||
// TODO make this share code with quantum.c | |||
#define BREATHING_NO_HALT 0 | |||
#define BREATHING_HALT_OFF 1 | |||
#define BREATHING_HALT_ON 2 | |||
#define BREATHING_STEPS 128 | |||
static uint8_t breathing_period = BREATHING_PERIOD; | |||
static uint8_t breathing_halt = BREATHING_NO_HALT; | |||
static uint16_t breathing_counter = 0; | |||
static bool breathing = false; | |||
bool is_breathing(void) { | |||
return breathing; | |||
} | |||
// See http://jared.geek.nz/2013/feb/linear-led-pwm | |||
static uint16_t cie_lightness(uint16_t v) { | |||
if (v <= 5243) // if below 8% of max | |||
return v / 9; // same as dividing by 900% | |||
else { | |||
uint32_t y = (((uint32_t) v + 10486) << 8) / (10486 + 0xFFFFUL); // add 16% of max and compare | |||
// to get a useful result with integer division, we shift left in the expression above | |||
// and revert what we've done again after squaring. | |||
y = y * y * y >> 8; | |||
if (y > 0xFFFFUL) // prevent overflow | |||
return 0xFFFFU; | |||
else | |||
return (uint16_t) y; | |||
} | |||
} | |||
void breathing_enable(void) { | |||
breathing = true; | |||
breathing_counter = 0; | |||
breathing_halt = BREATHING_NO_HALT; | |||
// interrupt already registered | |||
} | |||
void breathing_pulse(void) { | |||
if (get_backlight_level() == 0) | |||
breathing_min(); | |||
else | |||
breathing_max(); | |||
breathing_halt = BREATHING_HALT_ON; | |||
// breathing_interrupt_enable(); | |||
breathing = true; | |||
} | |||
void breathing_disable(void) { | |||
breathing = false; | |||
// backlight_set(get_backlight_level()); | |||
b_led_set(get_backlight_level()); // custom implementation of backlight_set() | |||
} | |||
void breathing_self_disable(void) | |||
{ | |||
if (get_backlight_level() == 0) | |||
breathing_halt = BREATHING_HALT_OFF; | |||
else | |||
breathing_halt = BREATHING_HALT_ON; | |||
} | |||
void breathing_toggle(void) { | |||
if (is_breathing()) | |||
breathing_disable(); | |||
else | |||
breathing_enable(); | |||
} | |||
void breathing_period_set(uint8_t value) | |||
{ | |||
if (!value) | |||
value = 1; | |||
breathing_period = value; | |||
} | |||
void breathing_period_default(void) { | |||
breathing_period_set(BREATHING_PERIOD); | |||
} | |||
void breathing_period_inc(void) | |||
{ | |||
breathing_period_set(breathing_period+1); | |||
} | |||
void breathing_period_dec(void) | |||
{ | |||
breathing_period_set(breathing_period-1); | |||
} | |||
/* To generate breathing curve in python: | |||
* from math import sin, pi; [int(sin(x/128.0*pi)**4*255) for x in range(128)] | |||
*/ | |||
static 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}; | |||
// Use this before the cie_lightness function. | |||
static inline uint16_t scale_backlight(uint16_t v) { | |||
return v / BACKLIGHT_LEVELS * get_backlight_level(); | |||
} | |||
void custom_breathing_handler(void) { | |||
uint16_t interval = (uint16_t) breathing_period * 244 / BREATHING_STEPS; | |||
// resetting after one period to prevent ugly reset at overflow. | |||
breathing_counter = (breathing_counter + 1) % (breathing_period * 244); | |||
uint8_t index = breathing_counter / interval % BREATHING_STEPS; | |||
if (((breathing_halt == BREATHING_HALT_ON) && (index == BREATHING_STEPS / 2)) || | |||
((breathing_halt == BREATHING_HALT_OFF) && (index == BREATHING_STEPS - 1))) | |||
{ | |||
// breathing_interrupt_disable(); | |||
} | |||
setPWM(cie_lightness(scale_backlight((uint16_t) pgm_read_byte(&breathing_table[index]) * 0x0101U))); | |||
} | |||
#endif // BACKLIGHT_BREATHING | |||
#endif // BACKLIGHT_ENABLE |
@ -1,104 +0,0 @@ | |||
/* | |||
Copyright 2016 Luiz Ribeiro <luizribeiro@gmail.com> | |||
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 2 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 <avr/io.h> | |||
#include <util/twi.h> | |||
#include "i2c.h" | |||
void i2c_set_bitrate(uint16_t bitrate_khz) { | |||
uint8_t bitrate_div = ((F_CPU / 1000l) / bitrate_khz); | |||
if (bitrate_div >= 16) { | |||
bitrate_div = (bitrate_div - 16) / 2; | |||
} | |||
TWBR = bitrate_div; | |||
} | |||
void i2c_init(void) { | |||
// set pull-up resistors on I2C bus pins | |||
PORTC |= 0b11; | |||
i2c_set_bitrate(400); | |||
// enable TWI (two-wire interface) | |||
TWCR |= (1 << TWEN); | |||
// enable TWI interrupt and slave address ACK | |||
TWCR |= (1 << TWIE); | |||
TWCR |= (1 << TWEA); | |||
} | |||
uint8_t i2c_start(uint8_t address) { | |||
// reset TWI control register | |||
TWCR = 0; | |||
// begin transmission and wait for it to end | |||
TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN); | |||
while (!(TWCR & (1<<TWINT))); | |||
// check if the start condition was successfully transmitted | |||
if ((TWSR & 0xF8) != TW_START) { | |||
return 1; | |||
} | |||
// transmit address and wait | |||
TWDR = address; | |||
TWCR = (1<<TWINT) | (1<<TWEN); | |||
while (!(TWCR & (1<<TWINT))); | |||
// check if the device has acknowledged the READ / WRITE mode | |||
uint8_t twst = TW_STATUS & 0xF8; | |||
if ((twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK)) { | |||
return 1; | |||
} | |||
return 0; | |||
} | |||
void i2c_stop(void) { | |||
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO); | |||
} | |||
uint8_t i2c_write(uint8_t data) { | |||
TWDR = data; | |||
// transmit data and wait | |||
TWCR = (1<<TWINT) | (1<<TWEN); | |||
while (!(TWCR & (1<<TWINT))); | |||
if ((TWSR & 0xF8) != TW_MT_DATA_ACK) { | |||
return 1; | |||
} | |||
return 0; | |||
} | |||
uint8_t i2c_send(uint8_t address, uint8_t *data, uint16_t length) { | |||
if (i2c_start(address)) { | |||
return 1; | |||
} | |||
for (uint16_t i = 0; i < length; i++) { | |||
if (i2c_write(data[i])) { | |||
return 1; | |||
} | |||
} | |||
i2c_stop(); | |||
return 0; | |||
} |
@ -1,25 +0,0 @@ | |||
/* | |||
Copyright 2016 Luiz Ribeiro <luizribeiro@gmail.com> | |||
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 2 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/>. | |||
*/ | |||
#ifndef __I2C_H__ | |||
#define __I2C_H__ | |||
void i2c_init(void); | |||
void i2c_set_bitrate(uint16_t bitrate_khz); | |||
uint8_t i2c_send(uint8_t address, uint8_t *data, uint16_t length); | |||
#endif |
@ -1,34 +1,73 @@ | |||
/* Copyright 2019 | |||
* | |||
* 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 2 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 QMK_KEYBOARD_H | |||
enum layers { | |||
_BASE = 0, | |||
_FN1, | |||
_FN2, | |||
}; | |||
#define _QWERTY 0 | |||
// Defines the keycodes used by our macros in process_record_user | |||
enum custom_keycodes { | |||
QWERTY = SAFE_RANGE, | |||
QMKBEST = SAFE_RANGE, | |||
QMKURL | |||
}; | |||
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { | |||
/* Qwerty | |||
* ,---------------------------. | |||
* | A | B | C | D | | |||
* +------+------+------+------| | |||
* | E | F | G | H | | |||
* +------+------+------+------| | |||
* | I | J | K | L | | |||
* +------+------+------+------| | |||
* | M | N | O | P | | |||
* ----------------------------' | |||
*/ | |||
[_QWERTY] = LAYOUT_ortho_4x4( \ | |||
KC_A, KC_B, KC_C, KC_D, \ | |||
KC_E, KC_F, KC_G, KC_H, \ | |||
KC_I, KC_J, KC_K, KC_L, \ | |||
KC_M, KC_N, KC_O, KC_P \ | |||
), | |||
}; | |||
// Loop | |||
void matrix_scan_user(void) { | |||
// Empty | |||
[_BASE] = LAYOUT_ortho_4x4( | |||
KC_PGUP, KC_HOME, KC_UP, KC_END , \ | |||
KC_PGDN, KC_LEFT, KC_DOWN, KC_RGHT, \ | |||
MO(_FN2), KC_VOLU, KC_MPLY, KC_MPRV, \ | |||
MO(_FN1), KC_VOLD, KC_MUTE, KC_MNXT \ | |||
), | |||
[_FN1] = LAYOUT_ortho_4x4( | |||
KC_ESC, KC_P7, KC_P8, KC_P9, \ | |||
KC_TAB, KC_P4, KC_P5, KC_P6, \ | |||
KC_ENT, KC_P1, KC_P2, KC_P3, \ | |||
_______, KC_P0, KC_P0, KC_DOT \ | |||
), | |||
[_FN2] = LAYOUT_ortho_4x4( | |||
RGB_TOG, RGB_HUI, RGB_SAI, RGB_VAI, \ | |||
RGB_MOD, RGB_HUD, RGB_SAD, RGB_VAD, \ | |||
_______, _______, _______, RESET, \ | |||
BL_STEP, _______, QMKBEST, QMKURL \ | |||
) | |||
}; | |||
bool process_record_user(uint16_t keycode, keyrecord_t *record) { | |||
switch (keycode) { | |||
case QMKBEST: | |||
if (record->event.pressed) { | |||
// when keycode QMKBEST is pressed | |||
SEND_STRING("QMK is the best thing ever!"); | |||
} else { | |||
// when keycode QMKBEST is released | |||
} | |||
break; | |||
case QMKURL: | |||
if (record->event.pressed) { | |||
// when keycode QMKURL is pressed | |||
SEND_STRING("https://qmk.fm/" SS_TAP(X_ENTER)); | |||
} else { | |||
// when keycode QMKURL is released | |||
} | |||
break; | |||
} | |||
return true; | |||
} |