Browse Source

Add a simple backlight support for ghpad

led_matrix
Kai Ryu 10 years ago
parent
commit
2a2c7b8333
4 changed files with 61 additions and 2 deletions
  1. 46
    0
      keyboard/ghpad/backlight.c
  2. 7
    0
      keyboard/ghpad/config.h
  3. 4
    2
      keyboard/ghpad/keymap_arrow.c
  4. 4
    0
      keyboard/ghpad/matrix.c

+ 46
- 0
keyboard/ghpad/backlight.c View File

@@ -0,0 +1,46 @@
/*
Copyright 2013 Kai Ryu <[email protected]>

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 <avr/interrupt.h>
#include "backlight.h"

/* Backlight pin configuration
* PF7 PF6 PF5
*/
void backlight_set(uint8_t level)
{
switch (level) {
case 0:
DDRF &= ~(1<<PF7 | 1<<PF6 | 1<<PF5);
break;
case 1:
DDRF &= ~(1<<PF6 | 1<<PF5);
DDRF |= (1<<PF7);
PORTF &= ~(1<<PF7);
break;
case 2:
DDRF &= ~(1<<PF5);
DDRF |= (1<<PF7 | 1<<PF6);
PORTF &= ~(1<<PF7 | 1<<PF6);
break;
case 3:
DDRF |= (1<<PF7 | 1<<PF6 | 1<<PF5);
PORTF &= ~(1<<PF7 | 1<<PF6 | 1<<PF5);
break;
}
}

+ 7
- 0
keyboard/ghpad/config.h View File

@@ -31,12 +31,19 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define MATRIX_ROWS 6
#define MATRIX_COLS 4

/* keymap in eeprom */
#define FN_ACTIONS_COUNT 32
#define KEYMAPS_COUNT 32

/* define if matrix has ghost */
//#define MATRIX_HAS_GHOST

/* Set 0 if debouncing isn't needed */
#define DEBOUNCE 5

/* number of backlight levels */
#define BACKLIGHT_LEVELS 3

/* number of backlight levels */
//#define BACKLIGHT_LEVELS 3


+ 4
- 2
keyboard/ghpad/keymap_arrow.c View File

@@ -35,7 +35,7 @@ const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS] PROGMEM = {
TRNS,TRNS,TRNS,TRNS, \
TRNS,TRNS,TRNS,TRNS, \
TRNS,TRNS,TRNS,TRNS, \
TRNS,TRNS,TRNS,TRNS),
FN1, TRNS,FN2, TRNS),
};

/*
@@ -46,7 +46,9 @@ const uint16_t fn_actions[FN_ACTIONS_COUNT] __attribute__ ((section (".keymap.fn
#else
const uint16_t fn_actions[] PROGMEM = {
#endif
[0] = ACTION_LAYER_MOMENTARY(1)
[0] = ACTION_LAYER_MOMENTARY(1),
[1] = ACTION_BACKLIGHT_DECREASE(),
[2] = ACTION_BACKLIGHT_INCREASE()
};

#ifdef KEYMAP_EX_ENABLE

+ 4
- 0
keyboard/ghpad/matrix.c View File

@@ -57,6 +57,10 @@ uint8_t matrix_cols(void)

void matrix_init(void)
{
// disable JTAG
MCUCR = (1<<JTD);
MCUCR = (1<<JTD);

// initialize row and col
unselect_rows();
init_cols();