Cecko - zacatecnicka

[Jozo]

Uz tu odpoved bola, ale mozno sa bude hodit. Prave v microchip C30 dost 
casto pouzivam nasledovne uniony. Hodia sa hlavne na bitovy pristup...


typedef union _BYTE_VAL
{
    BYTE b;

    struct {
        unsigned char b0:1;
        unsigned char b1:1;
        unsigned char b2:1;
        unsigned char b3:1;
        unsigned char b4:1;
        unsigned char b5:1;
        unsigned char b6:1;
        unsigned char b7:1;
    } bits;
} BYTE_VAL;

typedef union _WORD_VAL
{
    WORD w;
    BYTE b[2];

    struct {
        unsigned char b0:1;
        unsigned char b1:1;
        unsigned char b2:1;
        unsigned char b3:1;
        unsigned char b4:1;
        unsigned char b5:1;
        unsigned char b6:1;
        unsigned char b7:1;
        unsigned char b8:1;
        unsigned char b9:1;
        unsigned char b10:1;
        unsigned char b11:1;
        unsigned char b12:1;
        unsigned char b13:1;
        unsigned char b14:1;
        unsigned char b15:1;
    } bits;
} WORD_VAL;

typedef union _DWORD_VAL
{
  DWORD dw;
  WORD w[2];
  BYTE b[4];

  struct {
    unsigned char b0:1;
    unsigned char b1:1;
    unsigned char b2:1;
    unsigned char b3:1;
    unsigned char b4:1;
    unsigned char b5:1;
    unsigned char b6:1;
    unsigned char b7:1;
    unsigned char b8:1;
    unsigned char b9:1;
    unsigned char b10:1;
    unsigned char b11:1;
    unsigned char b12:1;
    unsigned char b13:1;
    unsigned char b14:1;
    unsigned char b15:1;
    unsigned char b16:1;
    unsigned char b17:1;
    unsigned char b18:1;
    unsigned char b19:1;
    unsigned char b20:1;
    unsigned char b21:1;
    unsigned char b22:1;
    unsigned char b23:1;
    unsigned char b24:1;
    unsigned char b25:1;
    unsigned char b26:1;
    unsigned char b27:1;
    unsigned char b28:1;
    unsigned char b29:1;
    unsigned char b30:1;
    unsigned char b31:1;
  } bits;
} DWORD_VAL;