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/hal_espressif-3.6.0/examples/peripherals/gpio/matrix_keyboard/components/matrix_keyboard/src/
Dmatrix_keyboard.c67 uint32_t row_out = dedic_gpio_bundle_read_out(mkbd->row_bundle); in matrix_kbd_debounce_timer_callback() local
69 row_out = (~row_out) & ((1 << mkbd->nr_row_gpios) - 1); in matrix_kbd_debounce_timer_callback()
70 ESP_LOGD(TAG, "row_out=%x, col_in=%x", row_out, col_in); in matrix_kbd_debounce_timer_callback()
74 while (row_out) { in matrix_kbd_debounce_timer_callback()
75 row = __builtin_ffs(row_out) - 1; in matrix_kbd_debounce_timer_callback()
89 row_out = row_out & (row_out - 1); in matrix_kbd_debounce_timer_callback()