*/
#include <stdbool.h>
#include <avr/pgmspace.h>
+#include "usb_keyboard.h"
#include "matrix.h"
#include "keymap.h"
-#include "usb_keyboard.h"
+#include "print.h"
-int current_layer = 0;
-bool key_sent = false;
+#define FN_KEYCODE(fn) (pgm_read_byte(&fn_keycode[(fn)]))
+#define FN_LAYER(fn) (pgm_read_byte(&fn_layer[(fn)]))
+#define KEYMAPS(layer, row, col) (pgm_read_byte(&keymaps[(layer)][(row)][(col)]))
+
+static int current_layer = 0;
+static bool layer_used = false;
+static int onbit(uint8_t bits);
/*
* Layer0(Default Layer)
* Mc: Mouse Cursor / Mb: Mouse Button / Mw: Mouse Wheel
*/
-/* keycode sent when Fn key released without using layer keys. */
-static const uint8_t PROGMEM FnKey[] = {
- KB_NO, // this must be KB_NO. (not used)
+/* keycode to sent when Fn key released without using layer keys. */
+static const uint8_t PROGMEM fn_keycode[] = {
+ KB_NO, // FN_0
KB_NO, // FN_1
KB_RALT, // FN_2
KB_SCOLON, // FN_3
+ KB_NO, // FN_4
+ KB_NO, // FN_5
+ KB_NO, // FN_6
+ KB_NO, // FN_7
};
+/* layer to change into while Fn key pressed */
+static const int PROGMEM fn_layer[] = { 0, 1, 2, 3, 0, 0, 0, 0 };
-static const uint8_t PROGMEM Keymap[][MATRIX_ROWS][MATRIX_COLS] = {
+static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* plain keymap
{
{ KB_2, KB_Q, KB_W, KB_S, KB_A, KB_Z, KB_X, KB_C },
};
-uint8_t get_keycode(int layer, int row, int col)
+uint8_t keymap_get_keycode(int row, int col)
{
- if (row >= MATRIX_ROWS)
- return KB_NO;
- if (col >= MATRIX_COLS)
- return KB_NO;
- return pgm_read_byte(&Keymap[layer][row][col]);
+ return keymap_get_keycodel(current_layer, row, col);
}
-int get_layer(void) {
- // keep modifier state when Fn key pressed
- static uint8_t preserved_modifiers = 0;
- int layer = 0;
- uint8_t modifiers = 0;
- for (int row = 0; row < MATRIX_ROWS; row++) {
- for (int col = 0; col < MATRIX_ROWS; col++) {
- if (matrix[row] & 1<<col) continue; // NOT pressed
- uint8_t code = get_keycode(0, row, col);
+uint8_t keymap_get_keycodel(int layer, int row, int col)
+{
+ uint8_t code = KEYMAPS(layer, row, col);
+ // normal key or mouse key
+ if ((KB_A <= code && code <= KP_HEXADECIMAL) ||
+ (MS_UP <= code && code <= MS_WH_RIGHT))
+ layer_used = true;
+ return code;
+}
- // NOT change current_layer when one more Fn keys pressed
- // when other than Fn key pressed
- if (code == FN_1) layer = layer ? current_layer : 1;
- else if (code == FN_2) layer = layer ? current_layer : 2;
- else if (code == FN_3) layer = layer ? current_layer : 3;
- else if (code == FN_4) layer = layer ? current_layer : 4;
- else if (KB_LCTRL <= code && code <= KB_RGUI)
- modifiers |= 1<<(code & 0x07);
- else // other_key_pressed
- layer = current_layer;
- }
- }
+inline
+int keymap_get_layer(void) {
+ return current_layer;
+}
- // TODO: this logic should go anywhere
- // TODO: need timeout for key_sent
- // send key when Fn key reloeased without used
- if (layer != current_layer) {
- if (layer == 0 && !key_sent) {
- uint8_t code = pgm_read_byte(&FnKey[current_layer]);
- if (code) {
- // send modifiers when Fn key pressed.
- keyboard_modifier_keys = preserved_modifiers;
- for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
+inline
+int keymap_set_layer(int layer) {
+ current_layer = layer;
+ return current_layer;
+}
- if (KB_LCTRL <= code && code <= KB_RGUI) {
- keyboard_modifier_keys |= 1<<(code & 0x07);
- } else {
+void keymap_fn_proc(int fn_bits) {
+ // layer switching
+ static int last_bits = 0;
+ static uint8_t last_mod = 0;
+
+ if (usb_keyboard_has_key() || fn_bits == last_bits) {
+ // do nothing during press other than Fn key
+ return;
+ } else if (fn_bits == 0) {
+ // send key when Fn key is released without using the layer
+ if (!layer_used) {
+ uint8_t code = FN_KEYCODE(onbit(last_bits));
+ if (code != KB_NO) {
+ if (KB_LCTRL <= code && code <= KB_RGUI) {
+ keyboard_modifier_keys = last_mod | 1<<(code & 0x07);
+ } else {
keyboard_keys[0] = code;
+ keyboard_modifier_keys = last_mod;
}
usb_keyboard_send();
+ usb_keyboard_print();
+ usb_keyboard_clear();
}
}
- current_layer = layer;
- key_sent = false;
- preserved_modifiers = modifiers;
+ last_bits = 0;
+ last_mod = 0;
+ layer_used = false;
+ keymap_set_layer(0); // default layer
+ print("layer default: "); phex(current_layer); print("\n");
+ } else if ((fn_bits & (fn_bits - 1)) == 0) {
+ // switch layer when just one Fn Key is pressed
+ last_bits = fn_bits;
+ last_mod = keyboard_modifier_keys;
+ layer_used = false;
+ keymap_set_layer(FN_LAYER(onbit(fn_bits)));
+ print("layer: "); phex(current_layer); print("\n");
+ print("last_bits: "); phex(last_bits); print("\n");
+ print("last_mod: "); phex(last_mod); print("\n");
}
+}
- return current_layer;
+static int onbit(uint8_t bits) {
+ int n = 0;
+ if (bits >> 4) { bits >>= 4; n += 4;}
+ if (bits >> 2) { bits >>= 2; n += 2;}
+ if (bits >> 1) { bits >>= 1; n += 1;}
+ return n;
}
projects / max / tmk_keyboard.git / blobdiff