* 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 | #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 { | enum custom_keycodes { | ||||
QWERTY = SAFE_RANGE, | |||||
QMKBEST = SAFE_RANGE, | |||||
QMKURL | |||||
}; | }; | ||||
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { | 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; | |||||
} |