284 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			284 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright 2021 dogspace <https://github.com/dogspace>
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|  *
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|  * This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation, either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| #include QMK_KEYBOARD_H
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| 
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| enum layer_names {
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|     _LAY0,
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|     _LAY1,
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|     _LAY2,
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|     _LAY3
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| };
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| 
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| const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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|     [_LAY0] = LAYOUT(
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|                             KC_PSLS, KC_PAST, KC_PMNS, 
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|     KC_VOLD, KC_VOLU, KC_P7, KC_P8,   KC_P9,   KC_PPLS, 
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|     KC_TRNS, KC_TRNS, KC_P4, KC_P5,   KC_P6,   KC_PPLS, 
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|     KC_TRNS, KC_TRNS, KC_P1, KC_P2,   KC_P3,   KC_PENT, 
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|     KC_TRNS, KC_TRNS, KC_P0, KC_P0,   KC_PDOT, KC_PENT  
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|     ),
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| 
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|     [_LAY1] = LAYOUT(
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|                     ___, ___, ___, 
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|     ___, ___, ___, ___, ___, ___, 
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|     ___, ___, ___, ___, ___, ___, 
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|     ___, ___, ___, ___, ___, ___, 
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|     ___, ___, ___, ___, ___, ___  
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|     ),
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| 
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|     [_LAY2] = LAYOUT(
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|                     ___, ___, ___, 
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|     ___, ___, ___, ___, ___, ___, 
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|     ___, ___, ___, ___, ___, ___, 
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|     ___, ___, ___, ___, ___, ___, 
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|     ___, ___, ___, ___, ___, ___
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|     ),
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| 
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|     [_LAY3] = LAYOUT(
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|                     ___, ___, ___, 
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|     ___, ___, ___, ___, ___, ___, 
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|     ___, ___, ___, ___, ___, ___, 
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|     ___, ___, ___, ___, ___, ___, 
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|     ___, ___, ___, ___, ___, ___
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|     ),
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| };
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| 
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| #ifdef OLED_ENABLE
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| /*===========================================    OLED CONFIGURATION    ===========================================*/
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| #define OLED_ROTATE      true         // OLED rotation (flip 180* from default orientation)
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| #define GRAPH_DIRECTION  true         // Graph movement  (true = right to left,  false = left to right)
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| #define GRAPH_TOP_WPM    100.0        // Minimum WPM required to reach the top of the graph
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| #define GRAPH_REFRESH    1000         // In milliseconds, determines the graph-line frequency
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| #define ICON_MED_WPM     10           // WPM required to display the medium snail
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| #define ICON_FAST_WPM    25           // WPM required to display the fast snail
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| 
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| // Layer names:  Should be exactly 5 characters in length if vertical display, or 6 characters if horizontal
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| #define MA_LAYER_NAME     "LAY 0"      // Layer _MA name
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| #define L1_LAYER_NAME     "LAY 1"      // Layer _L1 name
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| #define L2_LAYER_NAME     "LAY 2"      // Layer _L2 name
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| #define L3_LAYER_NAME     "LAY 3"      // Layer _L3 name
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| 
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| #define CAPLCK_STR        "CAPLK"       // Caps Lock string
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| #define NUMLCK_STR        "NUMLK"       // Num Lock string
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| #define SCRLK_STR         "SCRLK"       // Scroll Lock string
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| #define EMPTY_STR         "     "       // Empty string
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| 
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| /*================================================================================================================*/
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| 
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| typedef struct oled_params {
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|     bool first_loop : 1;
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|     uint8_t wpm_icon : 7;
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|     uint16_t timer;
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|     uint8_t wpm_limit;
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|     uint8_t max_wpm;
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|     uint8_t graph_lines[32];
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| } oled_params;
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| 
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| oled_params oled_data;
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| 
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| void oled_init_data(void) {
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|     // Initialize oled params
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|     oled_data.first_loop = true;
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|     oled_data.wpm_icon = 5;
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|     oled_data.timer = 0;
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|     oled_data.wpm_limit = 20;
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|     oled_data.max_wpm = 0;
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| 
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|     for (int i=0; i<32; i++) {
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|         oled_data.graph_lines[i] = 0;
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|     }
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| }
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| 
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| // Set OLED rotation
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| oled_rotation_t oled_init_user(oled_rotation_t rotation) {
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|     oled_init_data();
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|     return OLED_ROTATE ? OLED_ROTATION_270 : OLED_ROTATION_90;
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| }
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| 
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| // Draw static background image to OLED (keyboard with no bottom row)
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| static void render_background(void) {
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|     static const char PROGMEM nullbits_n_oled[] = {
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|         0x00, 0xe0, 0xf0, 0xf0, 0xf8, 0xf8, 0xf0, 0xf0, 0xe0, 0x80, 0x20, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 
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|         0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xe0, 0xe0, 0xe0, 0xc0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 
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|         0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 
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|         0x1f, 0x1f, 0x1f, 0x1f, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfc, 0xf0, 0x00, 0x00, 
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|         0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
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|         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 
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|         0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
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|         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 
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|         0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
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|         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 
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|         0x00, 0x07, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
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|         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x07, 0x03, 0x00, 
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|     };
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|     oled_write_raw_P(nullbits_n_oled, sizeof(nullbits_n_oled));
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| }
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| 
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| // Toggles pixel on/off, converts horizontal coordinates to vertical equivalent if necessary
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| static void write_pixel(uint8_t x, uint8_t y, bool onoff) {
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|     oled_write_pixel(y, 127 - x, onoff);
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| }
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| 
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| // Write active layer name
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| static void render_layer_state(void) {
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|   oled_set_cursor(0, 15);
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|   switch (get_highest_layer(layer_state)) {
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|   case _LAY0:
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|       oled_write_P(PSTR(MA_LAYER_NAME), false);
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|       break;
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|   case _LAY1:
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|       oled_write_P(PSTR(L1_LAYER_NAME), false);
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|       break;
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|   case _LAY2:
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|       oled_write_P(PSTR(L2_LAYER_NAME), false);
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|       break;
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|   case _LAY3:
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|       oled_write_P(PSTR(L3_LAYER_NAME), false);
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|       break;
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|   default:
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|       oled_write("ERROR", false);
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|       break;
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|   }
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| }
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| 
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| // Update WPM counters
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| static void render_wpm_counters(uint8_t current_wpm) {
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|     uint8_t cursorposition_cur = 13;
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|     uint8_t cursorposition_max = 14;
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| 
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|     oled_set_cursor(0, cursorposition_cur);
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|     oled_write(get_u8_str(current_wpm, '0'), false);
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| 
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|     if (current_wpm > oled_data.max_wpm) {
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|         oled_data.max_wpm = current_wpm;
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|         oled_data.wpm_limit = oled_data.max_wpm + 20;
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|         oled_set_cursor(0, cursorposition_max);
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|         oled_write(get_u8_str(current_wpm, '0'), false);
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|     }
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| }
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| 
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| static void render_led_status(void) {
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|     // Host Keyboard LED Status
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|     uint8_t led_usb_state = host_keyboard_leds();
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|     oled_set_cursor(0, 8);
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|     oled_write_P(IS_LED_ON(led_usb_state, USB_LED_CAPS_LOCK) ? PSTR(CAPLCK_STR) : PSTR(EMPTY_STR), false);
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|     oled_set_cursor(0, 9);
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|     oled_write_P(IS_LED_ON(led_usb_state, USB_LED_NUM_LOCK) ? PSTR(NUMLCK_STR) : PSTR(EMPTY_STR), false);
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|     oled_set_cursor(0, 10);
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|     oled_write_P(IS_LED_ON(led_usb_state, USB_LED_SCROLL_LOCK) ? PSTR(SCRLK_STR) : PSTR(EMPTY_STR), false);
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| }
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| 
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| // Update WPM snail icon
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| static void render_wpm_icon(uint8_t current_wpm) {
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|     // wpm_icon is used to prevent unnecessary redraw
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|     if ((current_wpm < ICON_MED_WPM) && (oled_data.wpm_icon != 0)) {
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|         oled_data.wpm_icon = 0;
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|     } else if ((current_wpm >= ICON_MED_WPM) && (current_wpm < ICON_FAST_WPM) && (oled_data.wpm_icon != 1)) {
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|         oled_data.wpm_icon = 1;
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|     } else if ((current_wpm >= ICON_FAST_WPM) && (oled_data.wpm_icon != 2)) {
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|         oled_data.wpm_icon = 2;
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|     } else {
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|         return;
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|     }
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|     static const char PROGMEM snails[][2][24] = {
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|         {{0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x40, 0x20, 0xA0, 0x20, 0x40, 0x40, 0x80, 0x00, 0x00, 0x00, 0x80, 0x40, 0x20, 0x50, 0x88, 0x04, 0x00, 0x00},
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|          {0x40, 0x60, 0x50, 0x4E, 0x51, 0x64, 0x4A, 0x51, 0x54, 0x49, 0x41, 0x62, 0x54, 0x49, 0x46, 0x41, 0x40, 0x30, 0x09, 0x04, 0x02, 0x01, 0x00, 0x00}},
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|         {{0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x40, 0x40, 0x40, 0x40, 0x40, 0x80, 0x80, 0x00, 0x00, 0x00, 0x04, 0x98, 0x60, 0x80, 0x00, 0x00, 0x00, 0x00},
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|          {0x60, 0x50, 0x54, 0x4A, 0x51, 0x64, 0x4A, 0x51, 0x55, 0x49, 0x41, 0x62, 0x54, 0x49, 0x46, 0x41, 0x21, 0x10, 0x0A, 0x08, 0x05, 0x02, 0x00, 0x00}},
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|         {{0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x40, 0x40, 0x40, 0x40, 0x80, 0x80, 0x10, 0x10, 0x10, 0x20, 0x40, 0x40, 0xC0, 0x80, 0x80, 0x00, 0x00, 0x00},
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|          {0x60, 0x58, 0x54, 0x62, 0x49, 0x54, 0x52, 0x51, 0x55, 0x49, 0x62, 0x52, 0x4D, 0x45, 0x46, 0x22, 0x21, 0x11, 0x10, 0x0A, 0x08, 0x05, 0x02, 0x00}}
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|     };
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|     oled_set_cursor(0, 11);
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|     oled_write_raw_P(snails[oled_data.wpm_icon][0], sizeof(snails[oled_data.wpm_icon][0]));
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|     oled_set_cursor(0, 12);
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|     oled_write_raw_P(snails[oled_data.wpm_icon][1], sizeof(snails[oled_data.wpm_icon][1]));
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| }
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| 
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| // Update WPM graph
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| static void render_wpm_graph(uint8_t current_wpm) {
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|     uint8_t line_height = ((current_wpm / GRAPH_TOP_WPM) * 7);
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|     if (line_height > 7) {
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|         line_height = 7;
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|     }
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|     // Count graph line pixels, return if nothing to draw
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|     uint8_t pixel_count = line_height;
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|     for (int i = 0; i < 31; i++) {
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|         pixel_count += oled_data.graph_lines[i];
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|     }
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|     if (pixel_count == 0) {
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|         return;
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|     }
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|     // Shift array elements left or right depending on GRAPH_DIRECTION pend new graph line
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|     if (GRAPH_DIRECTION) {
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|         for (int i = 0; i < 31; i++) {
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|             oled_data.graph_lines[i] = oled_data.graph_lines[i + 1];
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|         }
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|         oled_data.graph_lines[31] = line_height;
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|     } else {
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|         for (int i = 31; i > 0; i--) {
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|             oled_data.graph_lines[i] = oled_data.graph_lines[i - 1];
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|         }
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|         oled_data.graph_lines[0] = line_height;
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|     }
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|     // Draw all graph lines (left to right, bottom to top)
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|     uint16_t draw_count, arrpos;
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|     for (int x = 1; x <= 63; x += 2) {
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|         arrpos = x / 2;
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|         draw_count = oled_data.graph_lines[arrpos];
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|         for (int y = 31; y >= 25; y--) {
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|             if (draw_count > 0) {
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|                 write_pixel(x, y, true);
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|                 draw_count--;
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|             } else {
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|                 write_pixel(x, y, false);
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|             }
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|         }
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|     }
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| }
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| 
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| // Call OLED functions
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| bool oled_task_user(void) {
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|     // Draw OLED keyboard, prevent redraw
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|     if (oled_data.first_loop) {
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|         render_background();
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|         oled_data.first_loop = false;
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|     }
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|     // Get current WPM, subtract 25% for accuracy and prevent large jumps caused by simultaneous keypresses
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|     uint8_t current_wpm = get_current_wpm();
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|     // Write active layer name to display
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|     render_layer_state();
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|     // Update WPM counters
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|     render_wpm_counters(current_wpm);
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|     // Update WPM snail icon
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|     render_wpm_icon(current_wpm);
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|     // Update LED status
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|     render_led_status();
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|     // Update WPM graph every graph_refresh milliseconds
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|     if (timer_elapsed(oled_data.timer) > GRAPH_REFRESH) {
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|         render_wpm_graph(current_wpm);
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|         oled_data.timer = timer_read();
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|     }
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|     return false;
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| }
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| #endif
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| 
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| bool wpm_keycode_user(uint16_t keycode) {
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|     // Count all keycodes on the macropad
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|     return true;
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| }
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| 
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