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Add OLED display support with layer, keycode, and WPM rendering

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Agent-Logs-Url: https://github.com/timfee/qmk_userspace/sessions/9b63344e-efb0-45fe-94c7-267e6fec3101

Co-authored-by: timfee <3246342+timfee@users.noreply.github.com>
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copilot-swe-agent[bot] 2026-04-12 22:31:59 +00:00 • committed by GitHub
commit 9952e6a767
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4
users/timfee/config.h
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@ -14,3 +14,7 @@
#define COMBO_COUNT 8 #define COMBO_COUNT 8
#define COMBO_TERM 40 #define COMBO_TERM 40
#define COMBO_ONLY_FROM_LAYER 0 #define COMBO_ONLY_FROM_LAYER 0
// ── OLED ──
#define SPLIT_OLED_ENABLE
#define SPLIT_WPM_ENABLE

2
users/timfee/rules.mk
View file

@ -1 +1,3 @@
COMBO_ENABLE = yes COMBO_ENABLE = yes
WPM_ENABLE = yes
OLED_ENABLE = yes

68
users/timfee/timfee.c
View file

@ -2,6 +2,7 @@
// ── State for require-prior-idle ── // ── State for require-prior-idle ──
static uint16_t last_key_time = 0; static uint16_t last_key_time = 0;
static uint16_t last_keycode = KC_NO;
// ── Combos (matching Vial config) ── // ── Combos (matching Vial config) ──
const uint16_t PROGMEM lparen_combo[] = {KC_R, KC_T, COMBO_END}; const uint16_t PROGMEM lparen_combo[] = {KC_R, KC_T, COMBO_END};
@ -27,6 +28,7 @@ combo_t key_combos[COMBO_COUNT] = {
// ── Require-prior-idle: bypass hold-tap during typing ── // ── Require-prior-idle: bypass hold-tap during typing ──
bool process_record_user(uint16_t keycode, keyrecord_t *record) { bool process_record_user(uint16_t keycode, keyrecord_t *record) {
if (record->event.pressed) { if (record->event.pressed) {
last_keycode = keycode;
uint16_t elapsed = timer_elapsed(last_key_time); uint16_t elapsed = timer_elapsed(last_key_time);
switch (keycode) { switch (keycode) {
@ -124,3 +126,69 @@ uint16_t get_quick_tap_term(uint16_t keycode, keyrecord_t *record) {
default: return QUICK_TAP_TERM; default: return QUICK_TAP_TERM;
} }
} }
// ── OLED display ──
#ifdef OLED_ENABLE
oled_rotation_t oled_init_user(oled_rotation_t rotation) {
if (!is_keyboard_master()) {
return OLED_ROTATION_180;
}
return rotation;
}
static void render_layer(void) {
oled_write_P(PSTR("Layer: "), false);
switch (get_highest_layer(layer_state)) {
case 0:
oled_write_ln_P(PSTR("Base"), false);
break;
case 1:
oled_write_ln_P(PSTR("Symbols"), false);
break;
case 2:
oled_write_ln_P(PSTR("Nav/Fn"), false);
break;
default:
oled_write_ln_P(PSTR("???"), false);
break;
}
}
static void render_keycode(void) {
oled_write_P(PSTR("Key: 0x"), false);
// Print last keycode as 4-digit hex
static const char hex[] = "0123456789ABCDEF";
char buf[5];
buf[0] = hex[(last_keycode >> 12) & 0xF];
buf[1] = hex[(last_keycode >> 8) & 0xF];
buf[2] = hex[(last_keycode >> 4) & 0xF];
buf[3] = hex[ last_keycode & 0xF];
buf[4] = '\0';
oled_write_ln(buf, false);
}
static void render_wpm(void) {
oled_write_P(PSTR("WPM: "), false);
uint8_t wpm = get_current_wpm();
char buf[4];
buf[0] = (wpm / 100) ? ('0' + wpm / 100) : ' ';
buf[1] = (wpm / 10) ? ('0' + (wpm / 10) % 10) : ' ';
buf[2] = '0' + wpm % 10;
buf[3] = '\0';
oled_write_ln(buf, false);
}
bool oled_task_user(void) {
if (is_keyboard_master()) {
render_layer();
render_keycode();
render_wpm();
} else {
render_wpm();
render_layer();
}
return false;
}
#endif