tmk_keyboard_custom/keyboard/ghpad/keymap_4x6_backlight.c

#include "keymap_common.h"

// 4x6 Keypad
#ifdef KEYMAP_SECTION_ENABLE
const uint8_t keymaps[KEYMAPS_COUNT][MATRIX_ROWS][MATRIX_COLS] __attribute__ ((section (".keymap.keymaps"))) = {
#else
const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS] PROGMEM = {
#endif
    /* Keymap 0: Default Layer
     * ,---------------.
     * |Esc|Fn0|Fn1|Fn2|
     * |---+---+---+---|
     * |Num|/  |*  |-  |
     * |---+---+---+---|
     * |7  |8  |9  |+  |
     * |---+---+---|   |
     * |4  |5  |6  |   |
     * |---+---+---+---|
     * |1  |2  |3  |Ent|
     * |---+---+---|   |
     * |0      |.  |   |
     * `---------------'
     */
    [0] = KEYMAP(
        ESC, FN0, FN1, FN2,  \
        NLCK,PSLS,PAST,PMNS, \
        P7,  P8,  P9,  PPLS, \
        P4,  P5,  P6,  PENT, \
        P1,  P2,  P3,  PENT, \
        P0,  NO,  PDOT,NO)
};

/*
 * Fn action definition
 */
#ifdef KEYMAP_SECTION_ENABLE
const uint16_t fn_actions[FN_ACTIONS_COUNT] __attribute__ ((section (".keymap.fn_actions"))) = {
#else
const uint16_t fn_actions[] PROGMEM = {
#endif
    [0] = ACTION_BACKLIGHT_TOGGLE(),
    [1] = ACTION_BACKLIGHT_DECREASE(),
    [2] = ACTION_BACKLIGHT_INCREASE()
};

#ifdef KEYMAP_IN_EEPROM_ENABLE
uint16_t keys_count(void) {
    return sizeof(keymaps) / sizeof(keymaps[0]) * MATRIX_ROWS * MATRIX_COLS;
}

uint16_t fn_actions_count(void) {
    return sizeof(fn_actions) / sizeof(fn_actions[0]);
}
#endif