packages/epd/EPDDefs.h

0001 #ifndef EPD_EPDDEFS_H
0002 #define EPD_EPDDEFS_H
0003
0004 #pragma GCC diagnostic push
0005 #pragma GCC diagnostic ignored "-Wunused-function"
0006
0007 namespace EPDDefs
0008 {
0009   //  key layout:
0010   //  10-31 empty
0011   //  9   arm
0012   //  5-8 sector
0013   //  0-4 tile
0014   static unsigned int get_arm(uint32_t key)
0015   {
0016     return (key >> 9) & 0x1;
0017   }
0018   static unsigned int get_sector(uint32_t key)
0019   {
0020     return (key >> 5) & 0xF;
0021   }
0022   static unsigned int get_tileid(uint32_t key)
0023   {
0024     return (key) &0x1F;
0025   }
0026   static uint32_t make_epd_key(uint32_t arm, uint32_t sector, uint32_t tile_id)
0027   {
0028     return (arm << 9U | sector << 5U | tile_id) & 0x3FF;
0029   }
0030 }  // namespace EPDDefs
0031
0032 #pragma GCC diagnostic pop
0033 #endif