#pragma once // Native-test stubs for gpio_hold_* — operation.h calls // gpio_deep_sleep_hold_en() before esp_deep_sleep_start() to latch // PIN_PWR LOW through deep sleep. epd_driver.cpp (not built natively) // also uses gpio_hold_en / gpio_hold_dis. Stubs let tests link. #include "esp_sleep.h" // for gpio_num_t inline void gpio_hold_en(gpio_num_t) {} inline void gpio_hold_dis(gpio_num_t) {} inline void gpio_deep_sleep_hold_en() {} inline void gpio_deep_sleep_hold_dis() {}