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Experimental implement SoftPWM for GH60

yuk86
Kai Ryu 10 years ago
parent
41182d2b35
commit
61051c74ee
2 changed files with 59 additions and 1 deletions
Unified View Show Diff Stats
  1. 1
    0
      keyboard/gh60/Makefile
  2. 58
    1
      keyboard/gh60/backlight.c

+ 1
- 0
keyboard/gh60/Makefile View File

BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
KEYMAP_IN_EEPROM_ENABLE = yes # Read keymap from eeprom KEYMAP_IN_EEPROM_ENABLE = yes # Read keymap from eeprom
KEYMAP_SECTION_ENABLE = yes # Fixed address keymap for keymap editor KEYMAP_SECTION_ENABLE = yes # Fixed address keymap for keymap editor
SOFTPWM_LED_ENABLE = yes # Enable SoftPWM to drive backlight
BREATHING_LED_ENABLE = yes # Enable breathing backlight BREATHING_LED_ENABLE = yes # Enable breathing backlight





+ 58
- 1
keyboard/gh60/backlight.c View File

#include <avr/interrupt.h> #include <avr/interrupt.h>
#include <avr/pgmspace.h> #include <avr/pgmspace.h>
#include "backlight.h" #include "backlight.h"
#ifdef SOFTPWM_LED_ENABLE
#include "softpwm_led.h"
#else
#include "breathing_led.h" #include "breathing_led.h"
#endif


#ifdef BACKLIGHT_ENABLE #ifdef BACKLIGHT_ENABLE


void backlight_disable(void); void backlight_disable(void);
inline void backlight_set_raw(uint8_t raw); inline void backlight_set_raw(uint8_t raw);


#ifndef SOFTPWM_LED_ENABLE
#ifdef GH60_REV_CHN #ifdef GH60_REV_CHN
#else #else
#define SOFTPWM_TIMER_TOP F_CPU/(256*64) #define SOFTPWM_TIMER_TOP F_CPU/(256*64)
uint8_t softpwm_ocr = 0; uint8_t softpwm_ocr = 0;
uint8_t softpwm_ocr_buff = 0; uint8_t softpwm_ocr_buff = 0;
#endif #endif
#endif


static const uint8_t backlight_table[] PROGMEM = { static const uint8_t backlight_table[] PROGMEM = {
0, 16, 128, 255 0, 16, 128, 255
*/ */
void backlight_enable(void) void backlight_enable(void)
{ {
#ifdef SOFTPWM_LED_ENABLE
#if defined(GH60_REV_CHN)
DDRB |= (1<<PB6);
PORTB &= ~(1<<PB6);
#else
DDRF |= (1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4);
PORTF |= (1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4);
#endif
softpwm_led_enable();
#else
#if defined(GH60_REV_CHN) #if defined(GH60_REV_CHN)
// Turn on PWM // Turn on PWM
DDRB |= (1<<PB6); DDRB |= (1<<PB6);
TIMSK1 |= (1<<OCIE1A); TIMSK1 |= (1<<OCIE1A);
sei(); sei();
#endif #endif
#endif
} }


void backlight_disable(void) void backlight_disable(void)
{ {
#ifdef SOFTPWM_LED_ENABLE
softpwm_led_disable();
#if defined(GH60_REV_CHN)
DDRB &= ~(1<<PB6);
#else
DDRF &= ~(1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4);
#endif
#else
#if defined(GH60_REV_CHN) #if defined(GH60_REV_CHN)
// Turn off PWM // Turn off PWM
cli(); cli();
sei(); sei();
OCR1B = 0; OCR1B = 0;
#else #else
DDRF &= ~(1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4);
DDRF &= ~(1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4);
cli(); cli();
TCCR1B &= ~(1<<WGM12); TCCR1B &= ~(1<<WGM12);
TCCR1B &= ~(1<<CS10); TCCR1B &= ~(1<<CS10);
sei(); sei();
OCR1A = 0; OCR1A = 0;
#endif #endif
#endif
} }


void backlight_set(uint8_t level) void backlight_set(uint8_t level)
#endif #endif
} }


#ifndef SOFTPWM_LED_ENABLE
#ifdef BREATHING_LED_ENABLE #ifdef BREATHING_LED_ENABLE
void breathing_led_set_raw(uint8_t raw) void breathing_led_set_raw(uint8_t raw)
{ {
backlight_set_raw(raw); backlight_set_raw(raw);
} }
#endif #endif
#endif


inline void backlight_set_raw(uint8_t raw) inline void backlight_set_raw(uint8_t raw)
{ {
#ifdef SOFTPWM_LED_ENABLE
softpwm_led_set(raw);
#else
#if defined(GH60_REV_CHN) #if defined(GH60_REV_CHN)
OCR1B = raw; OCR1B = raw;
#else #else
softpwm_ocr_buff = raw; softpwm_ocr_buff = raw;
#endif #endif
#endif
} }


#ifdef SOFTPWM_LED_ENABLE

void softpwm_led_on(void)
{
#if defined(GH60_REV_CHN)
PORTB |= (1<<PB6);
#else
PORTF &= ~(1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4);
#endif
}

void softpwm_led_off(void)
{
#if defined(GH60_REV_CHN)
PORTB &= ~(1<<PB6);
#else
PORTF |= (1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4);
#endif
}

#endif


#ifndef SOFTPWM_LED_ENABLE
#if defined(GH60_REV_CHN) #if defined(GH60_REV_CHN)
#else #else
ISR(TIMER1_COMPA_vect) ISR(TIMER1_COMPA_vect)
} }
} }
#endif #endif
#endif


#endif #endif