/******************** OSD HARDWARE settings *********************/
//Choose ONLY ONE option:
//#define MINIMOSD // Uncomment this if using standard MINIMOSD hardware
#define MICROMINIMOSD // Uncomment this if using the MICRO MINIMOSD hardware
//#define RTFQV1 // Uncomment this if using standard RTFQ/Witespy V1.1 OSD, select this to correct for both swapped bat1/bat 2 and to also use alternative resistors / pinouts.
//#define RTFQMICRO // Uncomment this if using micro RTFQ/Witespy Micro Minim OSD, select this to correct for swapped bat1/bat 2.
//#define RUSHDUINO // Uncomment this if using Rushduino
//#define KYLIN250PDB // Uncomment this if using a Kylin 250 FPV PDB (Using A6 as VOLTAGEPIN)
//#define AIRBOTMICRO23 // Uncomment this if using an airbot MicroOSD v2.3
第二个是波特率，默认全部注释掉了，是否需要选择115200？
/******************** Serial speed settings *********************/
// Overides defaults if required (57.6k for MAVLINK based or 115k for all others).
//#define BAUDRATE 115200
//#define BAUDRATE 57600
//#define BAUDRATE 38400
//#define BAUDRATE 19200
//#define BAUDRATE 9600