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Add support for backlight

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pull/12/head
Wraul 13 years ago committed by tmk
parent 9de9d71952
commit 1eb8523e95
13 changed files with 213 additions and 0 deletions
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1
README.md
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@ -23,6 +23,7 @@ These features can be used in your keyboard.
* Virtual DIP Switch - Configurations stored EEPROM(Boot Magic)
* Locking CapsLock - Mechanical switch support for CapsLock
* Breathing Sleep LED - Sleep indicator with charm during USB suspend
* Backlight - Control backlight levels
Projects

5
common.mk
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@ -63,6 +63,11 @@ ifdef SLEEP_LED_ENABLE
OPT_DEFS += -DNO_SUSPEND_POWER_DOWN
endif
ifdef BACKLIGHT_ENABLE
SRC += $(COMMON_DIR)/backlight.c
OPT_DEFS += -DBACKLIGHT_ENABLE
endif
# Search Path
VPATH += $(TOP_DIR)/common

21
common/action.c
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@ -20,6 +20,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "mousekey.h"
#include "command.h"
#include "led.h"
#include "backlight.h"
#include "action_layer.h"
#include "action_tapping.h"
#include "action_oneshot.h"
@ -291,6 +292,26 @@ void process_action(keyrecord_t *record)
case ACT_MACRO:
action_macro_play(action_get_macro(record, action.func.id, action.func.opt));
break;
#endif
#ifdef BACKLIGHT_ENABLE
case ACT_BACKLIGHT:
if (!event.pressed) {
switch (action.backlight.id) {
case BACKLIGHT_INCREASE:
backlight_increase();
break;
case BACKLIGHT_DECREASE:
backlight_decrease();
break;
case BACKLIGHT_TOGGLE:
backlight_toggle();
break;
case BACKLIGHT_STEP:
backlight_step();
break;
}
}
break;
#endif
case ACT_COMMAND:
break;

18
common/action_code.h
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@ -85,6 +85,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
* 1100|opt | id(8) Macro play?
* 1100|1111| id(8) Macro record?
*
* ACT_BACKLIGHT(1101):
* 1110|xxxx| id(8) Backlight commands
*
* ACT_COMMAND(1110):
* 1110|opt | id(8) Built-in Command exec
*
@ -109,6 +112,7 @@ enum action_kind_id {
ACT_LAYER_TAP1 = 0b1011,
/* Extensions */
ACT_MACRO = 0b1100,
ACT_BACKLIGHT = 0b1101,
ACT_COMMAND = 0b1110,
ACT_FUNCTION = 0b1111
};
@ -157,6 +161,9 @@ typedef union {
uint8_t page :2;
uint8_t kind :4;
} usage;
struct action_backlight {
uint8_t id :8;
} backlight;
struct action_command {
uint8_t id :8;
uint8_t opt :4;
@ -272,10 +279,21 @@ enum layer_pram_tap_op {
/*
* Extensions
*/
enum backlight_id {
BACKLIGHT_INCREASE = 0,
BACKLIGHT_DECREASE = 1,
BACKLIGHT_TOGGLE = 2,
BACKLIGHT_STEP = 3,
};
/* Macro */
#define ACTION_MACRO(id) ACTION(ACT_MACRO, (id))
#define ACTION_MACRO_TAP(id) ACTION(ACT_MACRO, FUNC_TAP<<8 | (id))
#define ACTION_MACRO_OPT(id, opt) ACTION(ACT_MACRO, (opt)<<8 | (id))
/* Backlight */
#define ACTION_BACKLIGHT_INCREASE() ACTION(ACT_BACKLIGHT, BACKLIGHT_INCREASE)
#define ACTION_BACKLIGHT_DECREASE() ACTION(ACT_BACKLIGHT, BACKLIGHT_DECREASE)
#define ACTION_BACKLIGHT_TOGGLE() ACTION(ACT_BACKLIGHT, BACKLIGHT_TOGGLE)
#define ACTION_BACKLIGHT_STEP() ACTION(ACT_BACKLIGHT, BACKLIGHT_STEP)
/* Command */
#define ACTION_COMMAND(id, opt) ACTION(ACT_COMMAND, (opt)<<8 | (addr))
/* Function */

77
common/backlight.c
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@ -0,0 +1,77 @@
/*
Copyright 2013 Mathias Andersson <wraul@dbox.se>
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 "backlight.h"
#include "eeconfig.h"
#include "debug.h"
backlight_config_t backlight_config;
void backlight_init(void)
{
/* check signature */
if (!eeconfig_is_enabled()) {
eeconfig_init();
}
backlight_config.raw = eeconfig_read_backlight();
backlight_set(backlight_config.enable ? backlight_config.level : 0);
}
void backlight_increase(void)
{
if(backlight_config.level < BACKLIGHT_LEVELS)
{
backlight_config.level++;
backlight_config.enable = 1;
eeconfig_write_backlight(backlight_config.raw);
}
dprintf("backlight increase: %u\n", backlight_config.level);
backlight_set(backlight_config.level);
}
void backlight_decrease(void)
{
if(backlight_config.level > 0)
{
backlight_config.level--;
backlight_config.enable = !!backlight_config.level;
eeconfig_write_backlight(backlight_config.raw);
}
dprintf("backlight decrease: %u\n", backlight_config.level);
backlight_set(backlight_config.level);
}
void backlight_toggle(void)
{
backlight_config.enable ^= 1;
eeconfig_write_backlight(backlight_config.raw);
dprintf("backlight toggle: %u\n", backlight_config.enable);
backlight_set(backlight_config.enable ? backlight_config.level : 0);
}
void backlight_step(void)
{
backlight_config.level++;
if(backlight_config.level > BACKLIGHT_LEVELS)
{
backlight_config.level = 0;
}
backlight_config.enable = !!backlight_config.level;
eeconfig_write_backlight(backlight_config.raw);
dprintf("backlight step: %u\n", backlight_config.level);
backlight_set(backlight_config.level);
}

41
common/backlight.h
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@ -0,0 +1,41 @@
/*
Copyright 2013 Mathias Andersson <wraul@dbox.se>
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 BACKLIGHT_H
#define BACKLIGHT_H
#include <stdint.h>
#include <stdbool.h>
typedef union {
uint8_t raw;
struct {
bool enable:1;
uint8_t level:7;
};
} backlight_config_t;
void backlight_init(void);
void backlight_increase(void);
void backlight_decrease(void);
void backlight_toggle(void);
void backlight_step(void);
void backlight_set(uint8_t level);
#endif

7
common/command.c
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@ -31,6 +31,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "sleep_led.h"
#include "led.h"
#include "command.h"
#include "backlight.h"
#ifdef MOUSEKEY_ENABLE
#include "mousekey.h"
@ -149,6 +150,12 @@ static void print_eeconfig(void)
print(".no_gui: "); print_dec(kc.no_gui); print("\n");
print(".swap_grave_esc: "); print_dec(kc.swap_grave_esc); print("\n");
print(".swap_backslash_backspace: "); print_dec(kc.swap_backslash_backspace); print("\n");
backlight_config_t bc;
bc.raw = eeconfig_read_backlight();
print("backlight_config.raw: "); print_hex8(bc.raw); print("\n");
print(".enable: "); print_dec(bc.enable); print("\n");
print(".level: "); print_dec(bc.level); print("\n");
}
#endif

4
common/eeconfig.c
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@ -10,6 +10,7 @@ void eeconfig_init(void)
eeprom_write_byte(EECONFIG_DEFAULT_LAYER, 0);
eeprom_write_byte(EECONFIG_KEYMAP, 0);
eeprom_write_byte(EECONFIG_MOUSEKEY_ACCEL, 0);
eeprom_write_byte(EECONFIG_BACKLIGHT, 0);
}
void eeconfig_enable(void)
@ -35,3 +36,6 @@ void eeconfig_write_default_layer(uint8_t val) { eeprom_write_byte(EECONFIG_DEFA
uint8_t eeconfig_read_keymap(void) { return eeprom_read_byte(EECONFIG_KEYMAP); }
void eeconfig_write_keymap(uint8_t val) { eeprom_write_byte(EECONFIG_KEYMAP, val); }
uint8_t eeconfig_read_backlight(void) { return eeprom_read_byte(EECONFIG_BACKLIGHT); }
void eeconfig_write_backlight(uint8_t val) { eeprom_write_byte(EECONFIG_BACKLIGHT, val); }

5
common/eeconfig.h
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@ -19,6 +19,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define EECONFIG_H
#include <stdint.h>
#include <stdbool.h>
#define EECONFIG_MAGIC_NUMBER (uint16_t)0xFEED
@ -29,6 +30,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define EECONFIG_DEFAULT_LAYER (uint8_t *)3
#define EECONFIG_KEYMAP (uint8_t *)4
#define EECONFIG_MOUSEKEY_ACCEL (uint8_t *)5
#define EECONFIG_BACKLIGHT (uint8_t *)6
/* debug bit */
@ -64,4 +66,7 @@ void eeconfig_write_default_layer(uint8_t val);
uint8_t eeconfig_read_keymap(void);
void eeconfig_write_keymap(uint8_t val);
uint8_t eeconfig_read_backlight(void);
void eeconfig_write_backlight(uint8_t val);
#endif

5
common/keyboard.c
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@ -31,6 +31,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "bootmagic.h"
#include "eeconfig.h"
#include "mousekey.h"
#include "backlight.h"
#ifdef MATRIX_HAS_GHOST
@ -65,6 +66,10 @@ void keyboard_init(void)
#ifdef BOOTMAGIC_ENABLE
bootmagic();
#endif
#ifdef BACKLIGHT_ENABLE
backlight_init();
#endif
}
/*

7
common/suspend.c
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@ -1,10 +1,14 @@
#include "suspend.h"
#include "matrix.h"
#include "action.h"
#include "backlight.h"
void suspend_power_down(void)
{
#ifdef BACKLIGHT_ENABLE
backlight_set(0);
#endif
#ifndef NO_SUSPEND_POWER_DOWN
// Enable watchdog to wake from MCU sleep
cli();
@ -50,6 +54,9 @@ void suspend_wakeup_init(void)
// clear matrix and keyboard state
matrix_init();
clear_keyboard();
#ifdef BACKLIGHT_ENABLE
backlight_init();
#endif
}
#ifndef NO_SUSPEND_POWER_DOWN

1
doc/build.md
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@ -132,6 +132,7 @@ Optional. Note that ***comment out*** to disable them.
COMMAND_ENABLE = yes # Commands for debug and configuration
SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
#NKRO_ENABLE = yes # USB Nkey Rollover - not yet supported in LUFA
#BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
### 3. Programmer
Optional. Set proper command for your controller, bootloader and programmer. This command can be used with `make program`. Not needed if you use `FLIP`, `dfu-programmer` or `Teesy Loader`.

21
doc/keymap.md
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@ -430,6 +430,27 @@ See `keyboard/hhkb/keymap.c` for sample.
### 2.5 Backlight Action
These actions control the backlight.
#### 2.5.1 Change backlight level
Increase backlight level.
ACTION_BACKLIGHT_INCREASE()
Decrease backlight level.
ACTION_BACKLIGHT_DECREASE()
Step through backlight levels.
ACTION_BACKLIGHT_STEP()
#### 2.5.2 Turn on / off backlight
Turn the backlight on and off without changing level.
ACTION_BACKLIGHT_TOGGLE()
## 3. Layer switching Example

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