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/* Copyright 2021 dogspace <https://github.com/dogspace>
*
* 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 QMK_KEYBOARD_H
enum layer_names {
_LAY0,
_LAY1,
_LAY2,
_LAY3
};
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[_LAY0] = LAYOUT(
KC_PSLS, KC_PAST, KC_PMNS,
KC_VOLD, KC_VOLU, KC_P7, KC_P8, KC_P9, KC_PPLS,
KC_TRNS, KC_TRNS, KC_P4, KC_P5, KC_P6, KC_PPLS,
KC_TRNS, KC_TRNS, KC_P1, KC_P2, KC_P3, KC_PENT,
KC_TRNS, KC_TRNS, KC_P0, KC_P0, KC_PDOT, KC_PENT
),
[_LAY1] = LAYOUT(
___, ___, ___,
___, ___, ___, ___, ___, ___,
___, ___, ___, ___, ___, ___,
___, ___, ___, ___, ___, ___,
___, ___, ___, ___, ___, ___
),
[_LAY2] = LAYOUT(
___, ___, ___,
___, ___, ___, ___, ___, ___,
___, ___, ___, ___, ___, ___,
___, ___, ___, ___, ___, ___,
___, ___, ___, ___, ___, ___
),
[_LAY3] = LAYOUT(
___, ___, ___,
___, ___, ___, ___, ___, ___,
___, ___, ___, ___, ___, ___,
___, ___, ___, ___, ___, ___,
___, ___, ___, ___, ___, ___
),
};
#ifdef OLED_ENABLE
/*=========================================== OLED CONFIGURATION ===========================================*/
#define OLED_ROTATE true // OLED rotation (flip 180* from default orientation)
#define GRAPH_DIRECTION true // Graph movement (true = right to left, false = left to right)
#define GRAPH_TOP_WPM 100.0 // Minimum WPM required to reach the top of the graph
#define GRAPH_REFRESH 1000 // In milliseconds, determines the graph-line frequency
#define ICON_MED_WPM 10 // WPM required to display the medium snail
#define ICON_FAST_WPM 25 // WPM required to display the fast snail
// Layer names: Should be exactly 5 characters in length if vertical display, or 6 characters if horizontal
#define MA_LAYER_NAME "LAY 0" // Layer _MA name
#define L1_LAYER_NAME "LAY 1" // Layer _L1 name
#define L2_LAYER_NAME "LAY 2" // Layer _L2 name
#define L3_LAYER_NAME "LAY 3" // Layer _L3 name
#define CAPLCK_STR "CAPLK" // Caps Lock string
#define NUMLCK_STR "NUMLK" // Num Lock string
#define SCRLK_STR "SCRLK" // Scroll Lock string
#define EMPTY_STR " " // Empty string
/*================================================================================================================*/
typedef struct oled_params {
bool first_loop : 1;
uint8_t wpm_icon : 7;
uint16_t timer;
uint8_t wpm_limit;
uint8_t max_wpm;
uint8_t graph_lines[32];
} oled_params;
oled_params oled_data;
void oled_init_data(void) {
// Initialize oled params
oled_data.first_loop = true;
oled_data.wpm_icon = 5;
oled_data.timer = 0;
oled_data.wpm_limit = 20;
oled_data.max_wpm = 0;
for (int i=0; i<32; i++) {
oled_data.graph_lines[i] = 0;
}
}
// Set OLED rotation
oled_rotation_t oled_init_user(oled_rotation_t rotation) {
oled_init_data();
return OLED_ROTATE ? OLED_ROTATION_270 : OLED_ROTATION_90;
}
// Draw static background image to OLED (keyboard with no bottom row)
static void render_background(void) {
static const char PROGMEM nullbits_n_oled[] = {
0x00, 0xe0, 0xf0, 0xf0, 0xf8, 0xf8, 0xf0, 0xf0, 0xe0, 0x80, 0x20, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xe0, 0xe0, 0xe0, 0xc0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f,
0x1f, 0x1f, 0x1f, 0x1f, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfc, 0xf0, 0x00, 0x00,
0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00,
0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
0x00, 0x07, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x07, 0x03, 0x00,
};
oled_write_raw_P(nullbits_n_oled, sizeof(nullbits_n_oled));
}
// Toggles pixel on/off, converts horizontal coordinates to vertical equivalent if necessary
static void write_pixel(uint8_t x, uint8_t y, bool onoff) {
oled_write_pixel(y, 127 - x, onoff);
}
// Write active layer name
static void render_layer_state(void) {
oled_set_cursor(0, 15);
switch (get_highest_layer(layer_state)) {
case _LAY0:
oled_write_P(PSTR(MA_LAYER_NAME), false);
break;
case _LAY1:
oled_write_P(PSTR(L1_LAYER_NAME), false);
break;
case _LAY2:
oled_write_P(PSTR(L2_LAYER_NAME), false);
break;
case _LAY3:
oled_write_P(PSTR(L3_LAYER_NAME), false);
break;
default:
oled_write("ERROR", false);
break;
}
}
// Update WPM counters
static void render_wpm_counters(uint8_t current_wpm) {
uint8_t cursorposition_cur = 13;
uint8_t cursorposition_max = 14;
oled_set_cursor(0, cursorposition_cur);
oled_write(get_u8_str(current_wpm, '0'), false);
if (current_wpm > oled_data.max_wpm) {
oled_data.max_wpm = current_wpm;
oled_data.wpm_limit = oled_data.max_wpm + 20;
oled_set_cursor(0, cursorposition_max);
oled_write(get_u8_str(current_wpm, '0'), false);
}
}
static void render_led_status(void) {
// Host Keyboard LED Status
uint8_t led_usb_state = host_keyboard_leds();
oled_set_cursor(0, 8);
oled_write_P(IS_LED_ON(led_usb_state, USB_LED_CAPS_LOCK) ? PSTR(CAPLCK_STR) : PSTR(EMPTY_STR), false);
oled_set_cursor(0, 9);
oled_write_P(IS_LED_ON(led_usb_state, USB_LED_NUM_LOCK) ? PSTR(NUMLCK_STR) : PSTR(EMPTY_STR), false);
oled_set_cursor(0, 10);
oled_write_P(IS_LED_ON(led_usb_state, USB_LED_SCROLL_LOCK) ? PSTR(SCRLK_STR) : PSTR(EMPTY_STR), false);
}
// Update WPM snail icon
static void render_wpm_icon(uint8_t current_wpm) {
// wpm_icon is used to prevent unnecessary redraw
if ((current_wpm < ICON_MED_WPM) && (oled_data.wpm_icon != 0)) {
oled_data.wpm_icon = 0;
} else if ((current_wpm >= ICON_MED_WPM) && (current_wpm < ICON_FAST_WPM) && (oled_data.wpm_icon != 1)) {
oled_data.wpm_icon = 1;
} else if ((current_wpm >= ICON_FAST_WPM) && (oled_data.wpm_icon != 2)) {
oled_data.wpm_icon = 2;
} else {
return;
}
static const char PROGMEM snails[][2][24] = {
{{0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x40, 0x20, 0xA0, 0x20, 0x40, 0x40, 0x80, 0x00, 0x00, 0x00, 0x80, 0x40, 0x20, 0x50, 0x88, 0x04, 0x00, 0x00},
{0x40, 0x60, 0x50, 0x4E, 0x51, 0x64, 0x4A, 0x51, 0x54, 0x49, 0x41, 0x62, 0x54, 0x49, 0x46, 0x41, 0x40, 0x30, 0x09, 0x04, 0x02, 0x01, 0x00, 0x00}},
{{0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x40, 0x40, 0x40, 0x40, 0x40, 0x80, 0x80, 0x00, 0x00, 0x00, 0x04, 0x98, 0x60, 0x80, 0x00, 0x00, 0x00, 0x00},
{0x60, 0x50, 0x54, 0x4A, 0x51, 0x64, 0x4A, 0x51, 0x55, 0x49, 0x41, 0x62, 0x54, 0x49, 0x46, 0x41, 0x21, 0x10, 0x0A, 0x08, 0x05, 0x02, 0x00, 0x00}},
{{0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x40, 0x40, 0x40, 0x40, 0x80, 0x80, 0x10, 0x10, 0x10, 0x20, 0x40, 0x40, 0xC0, 0x80, 0x80, 0x00, 0x00, 0x00},
{0x60, 0x58, 0x54, 0x62, 0x49, 0x54, 0x52, 0x51, 0x55, 0x49, 0x62, 0x52, 0x4D, 0x45, 0x46, 0x22, 0x21, 0x11, 0x10, 0x0A, 0x08, 0x05, 0x02, 0x00}}
};
oled_set_cursor(0, 11);
oled_write_raw_P(snails[oled_data.wpm_icon][0], sizeof(snails[oled_data.wpm_icon][0]));
oled_set_cursor(0, 12);
oled_write_raw_P(snails[oled_data.wpm_icon][1], sizeof(snails[oled_data.wpm_icon][1]));
}
// Update WPM graph
static void render_wpm_graph(uint8_t current_wpm) {
uint8_t line_height = ((current_wpm / GRAPH_TOP_WPM) * 7);
if (line_height > 7) {
line_height = 7;
}
// Count graph line pixels, return if nothing to draw
uint8_t pixel_count = line_height;
for (int i = 0; i < 31; i++) {
pixel_count += oled_data.graph_lines[i];
}
if (pixel_count == 0) {
return;
}
// Shift array elements left or right depending on GRAPH_DIRECTION pend new graph line
if (GRAPH_DIRECTION) {
for (int i = 0; i < 31; i++) {
oled_data.graph_lines[i] = oled_data.graph_lines[i + 1];
}
oled_data.graph_lines[31] = line_height;
} else {
for (int i = 31; i > 0; i--) {
oled_data.graph_lines[i] = oled_data.graph_lines[i - 1];
}
oled_data.graph_lines[0] = line_height;
}
// Draw all graph lines (left to right, bottom to top)
uint16_t draw_count, arrpos;
for (int x = 1; x <= 63; x += 2) {
arrpos = x / 2;
draw_count = oled_data.graph_lines[arrpos];
for (int y = 31; y >= 25; y--) {
if (draw_count > 0) {
write_pixel(x, y, true);
draw_count--;
} else {
write_pixel(x, y, false);
}
}
}
}
// Call OLED functions
bool oled_task_user(void) {
// Draw OLED keyboard, prevent redraw
if (oled_data.first_loop) {
render_background();
oled_data.first_loop = false;
}
// Get current WPM, subtract 25% for accuracy and prevent large jumps caused by simultaneous keypresses
uint8_t current_wpm = get_current_wpm();
// Write active layer name to display
render_layer_state();
// Update WPM counters
render_wpm_counters(current_wpm);
// Update WPM snail icon
render_wpm_icon(current_wpm);
// Update LED status
render_led_status();
// Update WPM graph every graph_refresh milliseconds
if (timer_elapsed(oled_data.timer) > GRAPH_REFRESH) {
render_wpm_graph(current_wpm);
oled_data.timer = timer_read();
}
return false;
}
#endif
bool wpm_keycode_user(uint16_t keycode) {
// Count all keycodes on the macropad
return true;
}
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