Add big_digit() func

main.cpp

@@ -1,37 +1,26 @@
 #include <iostream>
 #include <cassert>
 
-using namespace std;
+#include <iostream>
+#include <cstdint>
+#include <cassert>
 
-// Ôóíêöèÿ äëÿ ïðåäñòàâëåíèÿ nibble (4 áèò) â øåñòíàäöàòåðè÷íîé ñèñòåìå
 char nibble_to_hex(uint8_t i) {
-    // Ìàññèâ öèôð â øåñòíàäöàòåðè÷íîé ñèñòåìå
     char digits[] = "0123456789abcdef";
-
-    // Ïðîâåðêà íà êîððåêòíîñòü àðãóìåíòà
     assert(0x0 <= i && i <= 0xf);
-
-    // Âîçâðàùàåì ñèìâîë äëÿ nibble èç ìàññèâà digits
     return digits[i];
 }
 
-// Ôóíêöèÿ äëÿ ïå÷àòè îäíîãî áàéòà â øåñòíàäöàòåðè÷íîé è äâîè÷íîé ôîðìå
 void print_in_hex(uint8_t byte) {
-    // Ïå÷àòü â øåñòíàäöàòåðè÷íîé ôîðìå
+    std::cout << nibble_to_hex(byte >> 4) << nibble_to_hex(byte & 0xf);
-    cout << "Hex: " << nibble_to_hex(byte >> 4) << nibble_to_hex(byte & 0xf) << endl;
-
-    // Ïå÷àòü â äâîè÷íîé ôîðìå
-    cout << "Binary: ";
-    for (int i = 7; i >= 0; --i) {
-        cout << ((byte >> i) & 1);
-    }
-    cout << endl;
 }
 
+// Ôóíêöèÿ äëÿ ïðåîáðàçîâàíèÿ òèïîâ
 const uint8_t* as_bytes(const void* data) {
     return reinterpret_cast<const uint8_t*>(data);
-};
+}
 
+// Ôóíêöèÿ äëÿ ïå÷àòè ìàññèâà áàéòîâ
 void print_in_hex(const void* data, size_t size) {
     const uint8_t* bytes = as_bytes(data);
     for (size_t i = 0; i < size; i++) {
@@ -39,60 +28,52 @@ void print_in_hex(const void* data, size_t size) {
 
         // Äëÿ óäîáñòâà ÷òåíèÿ: ïðîáåëû ìåæäó áàéòàìè, ïî 16 áàéò íà ñòðîêó.
         if ((i + 1) % 16 == 0) {
-            cout << '\n';
+            std::cout << '\n';
         } else {
-            cout << ' ';
+            std::cout << ' ';
         }
     }
-    cout << endl;
+    std::cout << std::endl;
 }
 
+// Ôóíêöèÿ äëÿ ïðîâåðêè áèòîâ è âûâîäà èõ â äâîè÷íîé ñèñòåìå
+char bit_digit(uint8_t byte, uint8_t bit) {
+    if (byte & (0x1 << bit)) {
+        return '1';
+    }
+    return '0';
+}
 
 int main() {
-
-
-    // Òåñòèðîâàíèå ôóíêöèè nibble_to_hex
-    //for (int i = 0; i <= 0xf; ++i) {
-        //assert(nibble_to_hex(i) == nibble_to_hex(i));
-    //}
-
-    assert(nibble_to_hex(0x0) == '0');
-    assert(nibble_to_hex(0x1) == '1');
-    assert(nibble_to_hex(0x2) == '2');
-    assert(nibble_to_hex(0x3) == '3');
-    assert(nibble_to_hex(0x4) == '4');
-    assert(nibble_to_hex(0x5) == '5');
-    assert(nibble_to_hex(0x6) == '6');
-    assert(nibble_to_hex(0x7) == '7');
-    assert(nibble_to_hex(0x8) == '8');
-    assert(nibble_to_hex(0x9) == '9');
-    assert(nibble_to_hex(0xa) == 'a');
-    assert(nibble_to_hex(0xb) == 'b');
-    assert(nibble_to_hex(0xc) == 'c');
-    assert(nibble_to_hex(0xd) == 'd');
-    assert(nibble_to_hex(0xe) == 'e');
-    assert(nibble_to_hex(0xf) == 'f');
-
-    // Ïå÷àòü áàéòà â øåñòíàäöàòåðè÷íîé è äâîè÷íîé ôîðìå
-    //uint8_t test_byte = 0x2f;
-    //uint8_t test_byte = 0x0;
-    //uint8_t test_byte = 0xab;
-    //uint8_t test_byte = 0xff;
-
     uint8_t u8 = 0x42;
     uint16_t u16 = 0x42;
     uint32_t u32 = 0x42;
 
     std::cout << "u8 bytes: ";
     print_in_hex(&u8, sizeof(u8));
+
+    std::cout << "\nu8 binary: ";
+    for (int i = 7; i >= 0; --i) {
+        std::cout << bit_digit(u8, i);
+    }
     std::cout << '\n';
 
-    std::cout << "u16 bytes: ";
+    std::cout << "\nu16 bytes: ";
     print_in_hex(&u16, sizeof(u16));
+
+    std::cout << "\nu16 binary: ";
+    for (int i = 15; i >= 0; --i) {
+        std::cout << bit_digit(u16, i);
+    }
     std::cout << '\n';
 
-    std::cout << "u32 bytes: ";
+    std::cout << "\nu32 bytes: ";
     print_in_hex(&u32, sizeof(u32));
+
+    std::cout << "\nu32 binary: ";
+    for (int i = 31; i >= 0; --i) {
+        std::cout << bit_digit(u32, i);
+    }
     std::cout << '\n';
 
     return 0;