bitwise

[FATIHGUNAY0]

include

include

include

void print_binary(uint16_t number); // just use it :-)

int main(void) {
uint16_t value; uint8_t bit;

// Reads a bit of a number.
value = 0b0000111100001111;
bit = 3;

// 0b 0000 1111 0000 1111   >> 3

// 0b 0000 0001 1110 0001
// 0b 0000 0000 0000 0001  & 0x01
// ----------------------
// 0b 0000 0000 0000 0001 => bit 3 is set

bool bit_3 = (value >> bit) & 0x01;
printf("bit = %d\n", bit_3);

// Sets (writes a 1 to) a bit of a numeric variable.
value = 0b0000111100001111;
bit = 5;
// 0b0000111100001111
// 0b0000000000100000  1 << 5; |
// ------------------
// 0b0000111100101111
value = value | (1 << bit);
printf("value = ");
print_binary(value);
printf("\n");

return 0;

}

// Helper function (already implemented) void print_binary(uint16_t number) { for(int i=sizeof(number)*8-1; i>= 0; i--) { putchar((number & 1 << i) ? '1' : '0'); }
putchar('\n'); // printf("%c", c); }