#ifndef HMI_LINK_H
#define HMI_LINK_H

#include "esp_err.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief Start the local HMI UART link.
 *
 * Default pins:
 *   EVSE GPIO22 = TX -> LCD RX
 *   EVSE GPIO21 = RX <- LCD TX
 *   Baudrate    = 115200 8N1
 *
 * The link uses one JSON object per line ('\n').
 */
esp_err_t hmi_link_init(void);

#ifdef __cplusplus
}
#endif

#endif // HMI_LINK_H