1 files changed, 64 insertions, 0 deletions
diff --git a/keyboards/helix/rev3_5rows/rev3_5rows.c b/keyboards/helix/rev3_5rows/rev3_5rows.c
index 7b32941106..963cc744e7 100644
--- a/keyboards/helix/rev3_5rows/rev3_5rows.c
+++ b/keyboards/helix/rev3_5rows/rev3_5rows.c
@@ -47,3 +47,67 @@ bool dip_switch_update_kb(uint8_t index, bool active) {
     return true;
 }
 #endif
+
+#ifdef OLED_ENABLE
+static char *sprint_decimal(char *buf, int data) {
+    if (data > 9) {
+        buf = sprint_decimal(buf, data/10);
+    }
+    *buf++ = "0123456789"[data%10];
+    *buf = '\0';
+    return buf;
+}
+
+char *sprints(char *buf, char *src) {
+    while (*src) {
+        *buf++ = *src++;
+    }
+    *buf = '\0';
+    return buf;
+}
+
+char *sprintd(char *buf, char *leadstr, int data) {
+    buf = sprints(buf, leadstr);
+    buf = sprint_decimal(buf, data);
+    return buf;
+}
+
+char *sprint2d(char *buf, char *leadstr, int data) {
+    buf = sprints(buf, leadstr);
+    if (data > 99) {
+        return sprint_decimal(buf, data);
+    }
+    if (data < 10) {
+        *buf++ = ' ';
+    }
+    return sprint_decimal(buf, data);
+}
+
+__attribute__((weak))
+void oled_task_user(void) {
+    static const char PROGMEM helix_logo[] = {
+        0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94,
+        0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0xB2, 0xB3, 0xB4,
+        0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4,
+        0x0
+    };
+    static const char os_logo[][2][3] PROGMEM  ={{{0x95,0x96,0},{0xb5,0xb6,0}},{{0x97,0x98,0},{0xb7,0xb8,0}}};
+
+    if (is_keyboard_master()) {
+        if (is_mac_mode()) {
+            oled_write_P(os_logo[0][0], false);
+            oled_write_P(PSTR("\n"), false);
+            oled_write_P(os_logo[0][1], false);
+        }else{
+            oled_write_P(os_logo[1][0], false);
+            oled_write_P(PSTR("\n"), false);
+            oled_write_P(os_logo[1][1], false);
+        }
+        char buf[20];
+        sprint2d(buf, " Layer: ", get_highest_layer(layer_state));
+        oled_write(buf, false);
+    } else {
+        oled_write_P(helix_logo, false);
+    }
+}
+#endif