core.cpp

Go to the documentation of this file.

#ifdef USE_LIBRETINY
 
// HAL functions live in hal.cpp; this file only holds the serial port
// workaround below.
 
#include "core.h"
 
#ifdef USE_LN882X
#include <sdk_private.h>
 
// The SDK's open port handles (components/serial/serial.c); not in its header.
extern "C" Serial_t *serial_handles[SER_PORT_NUM];
 
namespace esphome::libretiny {
 
void ensure_serial_handle(uint8_t port) {
  if (port >= SER_PORT_NUM || serial_handles[port] != nullptr)
    return;
  // serial_init() zeroes and opens it; the port stays open for good.
  serial_handles[port] = new Serial_t();
}
 
}  // namespace esphome::libretiny
#endif  // USE_LN882X
 
#endif  // USE_LIBRETINY