PlatformInfo.cpp

00001 #include "PlatformInfo.h"
00002 #define REG_HCSR 0xe000edf0
00003 #define REG_DEMCR 0xE000EDFC
00004 
00005 #include "mbed.h"
00006 namespace MiMic
00007 {
00008     int PlatformInfo::_pftype=PF_UNKNOWN;
00009     void PlatformInfo::check()
00010     {
00011     #if PlatformInfo_DETECTION_MODE==PlatformInfo_DETECTION_MODE_MBED
00012         _pftype=PF_MBED;
00013         return;
00014     #elif PlatformInfo_DETECTION_MODE==PlatformInfo_DETECTION_MODE_LPCXPRESSO
00015         _pftype=PF_LPCXPRESSO;
00016         return;
00017     #elif PlatformInfo_DETECTION_MODE==PlatformInfo_DETECTION_MODE_AUTO
00018         //LPCXpresso is return S_RESET_ST==1 when standalone.
00019         wait_ms(200);
00020         unsigned int v;
00021         v=*(unsigned int*)REG_HCSR;
00022         //check Debug Halting Control and Status::S_RESET_ST sticky bit
00023         if((v & 0x02000000)!=0){
00024             //may be LPC-Standalone
00025             _pftype=PF_LPCXPRESSO;        
00026             return;
00027         }
00028         v=(*(unsigned int*)REG_DEMCR);
00029         if((v & 0x01000000)==0x0){
00030             //may be mbed
00031             _pftype=PF_MBED;
00032             return;
00033         }
00034         _pftype=PF_LPCXPRESSO;
00035         return;
00036     #else
00037         #error "ERROR!"
00038     #endif
00039     }
00040     int PlatformInfo::getPlatformType()
00041     {
00042         if(_pftype==PF_UNKNOWN){
00043             check();
00044         }
00045         return _pftype;
00046     }
00047 }