#ifdef ANTENNA_SWITCH #ifdef ANT_CTL2 #define MC13192_ANT_CTRL  TBD_PTBD4 #define MC13192_ANT_CTRL2  TBD_PTBD5 // Second Control line used in MC13192DS12 #define MC13192_ANT_CTRL_PORT  TBDD_PTBDD4 #define MC13192_ANT_CTRL2_PORT  TBDD_PTBDD5 // Second Control line used in MC13192DS12 #define ANT_CTRL_OFF 0 // Logic low is off #define ANT_CTRL_ON 1 // Logic high is on #else #define MC13192_ANT_CTRL  TBD_PTBD4 #define MC13192_ANT_CTRL2  TBD_PTBD4 // Second Control line not used in MC13192EVB #define MC13192_ANT_CTRL_PORT  TBDD_PTBDD4 #define MC13192_ANT_CTRL2_PORT  TBDD_PTBDD4 // Second Control line not used in MC13192EVB #define ANT_CTRL_OFF 0 // Logic low is off #define ANT_CTRL_ON 1 // Logic high is on #endif ANT_CTL2 #endif ANTENNA_SWITCH
这里面MC13192_ANT_CTRL具体是什么含意啊?,这段程序的目的是干什么的? |