#include QMK_KEYBOARD_H #include <stdio.h> // extern keymap_config_t keymap_config; const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { { { KC_TRNS } } }; bool process_record_user(uint16_t keycode, keyrecord_t *record) { static char buf[10] = " "; if (record->event.pressed) { snprintf(buf, 10, "C%dR%d ", record->event.key.col, record->event.key.row); send_string(buf); } return false; return true; }