mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-12-22 09:33:28 +00:00
303 lines
6.9 KiB
C
303 lines
6.9 KiB
C
#include "planck.h"
|
|
|
|
__attribute__ ((weak))
|
|
void matrix_init_user(void) {}
|
|
|
|
__attribute__ ((weak))
|
|
void matrix_scan_user(void) {}
|
|
|
|
__attribute__ ((weak))
|
|
bool process_action_user(keyrecord_t *record) {
|
|
return true;
|
|
}
|
|
|
|
__attribute__ ((weak))
|
|
void led_set_user(uint8_t usb_led) {}
|
|
|
|
void matrix_init_kb(void) {
|
|
#ifdef BACKLIGHT_ENABLE
|
|
backlight_init_ports();
|
|
#endif
|
|
|
|
// Turn status LED on
|
|
DDRE |= (1<<6);
|
|
PORTE |= (1<<6);
|
|
|
|
matrix_init_user();
|
|
}
|
|
|
|
void matrix_scan_kb(void) {
|
|
matrix_scan_user();
|
|
}
|
|
|
|
bool process_action_kb(keyrecord_t *record) {
|
|
return process_action_user(record);
|
|
}
|
|
|
|
void led_set_kb(uint8_t usb_led) {
|
|
// put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
|
|
|
|
led_set_user(usb_led);
|
|
}
|
|
|
|
#ifdef BACKLIGHT_ENABLE
|
|
#define CHANNEL OCR1C
|
|
#define BREATHING_NO_HALT 0
|
|
#define BREATHING_HALT_OFF 1
|
|
#define BREATHING_HALT_ON 2
|
|
|
|
static uint8_t breath_intensity;
|
|
static uint8_t breath_speed;
|
|
static uint16_t breathing_index;
|
|
static uint8_t breathing_halt;
|
|
|
|
void backlight_init_ports()
|
|
{
|
|
|
|
// Setup PB7 as output and output low.
|
|
DDRB |= (1<<7);
|
|
PORTB &= ~(1<<7);
|
|
|
|
// Use full 16-bit resolution.
|
|
ICR1 = 0xFFFF;
|
|
|
|
// I could write a wall of text here to explain... but TL;DW
|
|
// Go read the ATmega32u4 datasheet.
|
|
// And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
|
|
|
|
// Pin PB7 = OCR1C (Timer 1, Channel C)
|
|
// Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
|
|
// (i.e. start high, go low when counter matches.)
|
|
// WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
|
|
// Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
|
|
|
|
TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
|
|
TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
|
|
|
|
backlight_init();
|
|
breathing_defaults();
|
|
}
|
|
|
|
void backlight_set(uint8_t level)
|
|
{
|
|
// Prevent backlight blink on lowest level
|
|
PORTB &= ~(_BV(PORTB7));
|
|
|
|
if ( level == 0 )
|
|
{
|
|
// Turn off PWM control on PB7, revert to output low.
|
|
TCCR1A &= ~(_BV(COM1C1));
|
|
CHANNEL = 0x0;
|
|
}
|
|
else if ( level == BACKLIGHT_LEVELS )
|
|
{
|
|
// Turn on PWM control of PB7
|
|
TCCR1A |= _BV(COM1C1);
|
|
// Set the brightness
|
|
CHANNEL = 0xFFFF;
|
|
}
|
|
else
|
|
{
|
|
// Turn on PWM control of PB7
|
|
TCCR1A |= _BV(COM1C1);
|
|
// Set the brightness
|
|
CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
|
|
}
|
|
breathing_intensity_default();
|
|
}
|
|
|
|
|
|
void breathing_enable(void)
|
|
{
|
|
if (get_backlight_level() == 0)
|
|
{
|
|
breathing_index = 0;
|
|
}
|
|
else
|
|
{
|
|
// Set breathing_index to be at the midpoint (brightest point)
|
|
breathing_index = 0x20 << breath_speed;
|
|
}
|
|
|
|
breathing_halt = BREATHING_NO_HALT;
|
|
|
|
// Enable breathing interrupt
|
|
TIMSK1 |= _BV(OCIE1A);
|
|
}
|
|
|
|
void breathing_pulse(void)
|
|
{
|
|
if (get_backlight_level() == 0)
|
|
{
|
|
breathing_index = 0;
|
|
}
|
|
else
|
|
{
|
|
// Set breathing_index to be at the midpoint + 1 (brightest point)
|
|
breathing_index = 0x21 << breath_speed;
|
|
}
|
|
|
|
breathing_halt = BREATHING_HALT_ON;
|
|
|
|
// Enable breathing interrupt
|
|
TIMSK1 |= _BV(OCIE1A);
|
|
}
|
|
|
|
void breathing_disable(void)
|
|
{
|
|
// Disable breathing interrupt
|
|
TIMSK1 &= ~_BV(OCIE1A);
|
|
backlight_set(get_backlight_level());
|
|
}
|
|
|
|
void breathing_self_disable(void)
|
|
{
|
|
if (get_backlight_level() == 0)
|
|
{
|
|
breathing_halt = BREATHING_HALT_OFF;
|
|
}
|
|
else
|
|
{
|
|
breathing_halt = BREATHING_HALT_ON;
|
|
}
|
|
|
|
//backlight_set(get_backlight_level());
|
|
}
|
|
|
|
void breathing_toggle(void)
|
|
{
|
|
if (!is_breathing())
|
|
{
|
|
if (get_backlight_level() == 0)
|
|
{
|
|
breathing_index = 0;
|
|
}
|
|
else
|
|
{
|
|
// Set breathing_index to be at the midpoint + 1 (brightest point)
|
|
breathing_index = 0x21 << breath_speed;
|
|
}
|
|
|
|
breathing_halt = BREATHING_NO_HALT;
|
|
}
|
|
|
|
// Toggle breathing interrupt
|
|
TIMSK1 ^= _BV(OCIE1A);
|
|
|
|
// Restore backlight level
|
|
if (!is_breathing())
|
|
{
|
|
backlight_set(get_backlight_level());
|
|
}
|
|
}
|
|
|
|
bool is_breathing(void)
|
|
{
|
|
return (TIMSK1 && _BV(OCIE1A));
|
|
}
|
|
|
|
void breathing_intensity_default(void)
|
|
{
|
|
//breath_intensity = (uint8_t)((uint16_t)100 * (uint16_t)get_backlight_level() / (uint16_t)BACKLIGHT_LEVELS);
|
|
breath_intensity = ((BACKLIGHT_LEVELS - get_backlight_level()) * ((BACKLIGHT_LEVELS + 1) / 2));
|
|
}
|
|
|
|
void breathing_intensity_set(uint8_t value)
|
|
{
|
|
breath_intensity = value;
|
|
}
|
|
|
|
void breathing_speed_default(void)
|
|
{
|
|
breath_speed = 4;
|
|
}
|
|
|
|
void breathing_speed_set(uint8_t value)
|
|
{
|
|
bool is_breathing_now = is_breathing();
|
|
uint8_t old_breath_speed = breath_speed;
|
|
|
|
if (is_breathing_now)
|
|
{
|
|
// Disable breathing interrupt
|
|
TIMSK1 &= ~_BV(OCIE1A);
|
|
}
|
|
|
|
breath_speed = value;
|
|
|
|
if (is_breathing_now)
|
|
{
|
|
// Adjust index to account for new speed
|
|
breathing_index = (( (uint8_t)( (breathing_index) >> old_breath_speed ) ) & 0x3F) << breath_speed;
|
|
|
|
// Enable breathing interrupt
|
|
TIMSK1 |= _BV(OCIE1A);
|
|
}
|
|
|
|
}
|
|
|
|
void breathing_speed_inc(uint8_t value)
|
|
{
|
|
if ((uint16_t)(breath_speed - value) > 10 )
|
|
{
|
|
breathing_speed_set(0);
|
|
}
|
|
else
|
|
{
|
|
breathing_speed_set(breath_speed - value);
|
|
}
|
|
}
|
|
|
|
void breathing_speed_dec(uint8_t value)
|
|
{
|
|
if ((uint16_t)(breath_speed + value) > 10 )
|
|
{
|
|
breathing_speed_set(10);
|
|
}
|
|
else
|
|
{
|
|
breathing_speed_set(breath_speed + value);
|
|
}
|
|
}
|
|
|
|
void breathing_defaults(void)
|
|
{
|
|
breathing_intensity_default();
|
|
breathing_speed_default();
|
|
breathing_halt = BREATHING_NO_HALT;
|
|
}
|
|
|
|
/* Breathing Sleep LED brighness(PWM On period) table
|
|
* (64[steps] * 4[duration]) / 64[PWM periods/s] = 4 second breath cycle
|
|
*
|
|
* http://www.wolframalpha.com/input/?i=%28sin%28+x%2F64*pi%29**8+*+255%2C+x%3D0+to+63
|
|
* (0..63).each {|x| p ((sin(x/64.0*PI)**8)*255).to_i }
|
|
*/
|
|
static const uint8_t breathing_table[64] PROGMEM = {
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 4, 6, 10,
|
|
15, 23, 32, 44, 58, 74, 93, 113, 135, 157, 179, 199, 218, 233, 245, 252,
|
|
255, 252, 245, 233, 218, 199, 179, 157, 135, 113, 93, 74, 58, 44, 32, 23,
|
|
15, 10, 6, 4, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
};
|
|
|
|
ISR(TIMER1_COMPA_vect)
|
|
{
|
|
// CHANNEL = (pgm_read_byte(&breathing_table[ ( (uint8_t)( (breathing_index++) >> breath_speed ) ) & 0x3F ] )) * breath_intensity;
|
|
|
|
|
|
uint8_t local_index = ( (uint8_t)( (breathing_index++) >> breath_speed ) ) & 0x3F;
|
|
|
|
if (((breathing_halt == BREATHING_HALT_ON) && (local_index == 0x20)) || ((breathing_halt == BREATHING_HALT_OFF) && (local_index == 0x3F)))
|
|
{
|
|
// Disable breathing interrupt
|
|
TIMSK1 &= ~_BV(OCIE1A);
|
|
}
|
|
|
|
CHANNEL = (uint16_t)(((uint16_t)pgm_read_byte(&breathing_table[local_index]) * 257)) >> breath_intensity;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|