diff --git a/modbus/modbus.c b/modbus/modbus.c
index e716db8..e415f6f 100644
--- a/modbus/modbus.c
+++ b/modbus/modbus.c
@@ -1,284 +1,153 @@
-#include <stdint.h>
-
-unsigned int CRC16_Modbus(unsigned char* buf, int len)
-{
-    unsigned int crc = 0xFFFF;
-    for (int pos = 0; pos < len; pos++)
-    {
-        crc ^= (unsigned int)buf[pos]; // XOR-байт в наименьший sig. байт crc
-        for (int i = 8; i != 0; i--)   // Повторите цикл над каждым битом
-        {
-            if ((crc & 0x0001) != 0)   // Если установлен LSB
-            {
-                crc >>= 1; // Сдвиг вправо и XOR 0xA001
-                crc ^= 0xA001;
-            }
-            else // В противном случае LSB не установлен
-            {
-                crc >>= 1;    // Сдвиг вправо
-            }
-        }
-    }
-    crc = ((crc & 0x00ff) << 8) | ((crc & 0xff00) >> 8); // преобразование младших байтов
-    return crc;
-}
-
-size_t read_coil_status(uint8_t address, uint16_t discret_input, unint8_t* buf, size_t buf_len)
-{
-    int i = 0;
-    buf[i] = address;
-    i++;
-    buf[i] = 0x01;
-    i++;
-    buf[i] = (discret_input >> 8) & 0xFF;
-    i++;
-    buf[i] = discret_input & 0xFF;
-    i++;
-    buf[i] = 0x00;
-    i++;
-    buf[i] = 0x01;
-    i++;
-    crc = CRC16_Modbus(buf, i);
-    buf[i] = crc & 0xFF;
-    i++;
-    buf[i] = (crc >> 8) & 0xFF;
-    i++;
-    return i;
-}
-
-size_t read_coil_status_ans(unit8_t address, uint8_t meaning, unint8_t* buf, size_t buf_len)
-{
-    n = 0;
-    buf[n] = address;
-    n++;
-    buf[n] = 0x01;
-    n++;
-    buf[n] = 0x01;
-    n++;
-    buf[n] = meaning;
-    n++;
-    crc_otv = CRC16_Modbus(buf, n);
-    buf[n] = crc_otv & 0xFF;
-    i++;
-    buf[n] = (crc_otv >> 8) & 0xFF;
-    i++;
-    return n;
-}
-
-size_t read_input_status(uint8_t address, uint16_t discret_input, unint8_t* buf, size_t buf_len)
-{
-	int i=0;
-	buf[i] = address;
-	i++;
-	buf[i] = 0x02;
-	i++;
-	buf[i] = (discret_input >>8)&0xFF;
-	i++;
-	buf[i] = discret_input&0xFF;
-	i++;
-	buf[i] = 0x00;
-	i++;
-	buf[i] = 0x01;
-    i++;
-    crc = CRC16_Modbus(buf, i);
-    buf[i] = crc & 0xFF;
-    i++;
-    buf[i] = (crc >> 8) & 0xFF;
-    i++;
-    return i;
-}
-
-size_t read_input_status_ans(unit8_t address, uint8_t meaning, unint8_t* buf, size_t buf_len)
-{
-    n = 0;
-    buf[n] = address;
-    n++;
-    buf[n] = 0x02;
-    n++;
-    buf[n] = 0x01;
-    n++;
-    buf[n] = meaning;
-    n++;
-    crc_otv = CRC16_Modbus(buf, n);
-    buf[n] = crc_otv & 0xFF;
-    i++;
-    buf[n] = (crc_otv >> 8) & 0xFF;
-    i++;
-    return n;
-}
-
-size_t read_holding_register(uint8_t address, uint16_t holding_reg, unint8_t* buf, size_t buf_len)
-{
-    int i = 0;
-    buf[i] = address;
-    i++;
-    buf[i] = 0x03;
-    i++;
-    buf[i] = (holding_reg >> 8) & 0xFF;
-    i++;
-    buf[i] = holding_reg & 0xFF;
-    i++;
-    buf[i] = 0x00;
-    i++;
-    buf[i] = 0x01;
-    i++;
-    crc = CRC16_Modbus(buf, i);
-    buf[i] = crc & 0xFF;
-    i++;
-    buf[i] = (crc >> 8) & 0xFF;
-    i++;
-    return i;
-}
-
-size_t read_holding_register_ans(unit8_t address, uint8_t meaning, unint8_t* buf, size_t buf_len)
-{
-    n = 0;
-    buf[n] = address;
-    n++;
-    buf[n] = 0x03;
-    n++;
-    buf[n] = 0x01;
-    n++;
-    buf[n] = meaning;
-    n++;
-    crc_otv = CRC16_Modbus(buf, n);
-    buf[n] = crc_otv & 0xFF;
-    i++;
-    buf[n] = (crc_otv >> 8) & 0xFF;
-    i++;
-    return n;
-}
-
-size_t read_input_register(uint8_t address, uint16_t input_reg, unint8_t* buf, size_t buf_len)
-{
-    int i = 0;
-    buf[i] = address;
-    i++;
-    buf[i] = 0x04;
-    i++;
-    buf[i] = (input_reg >> 8) & 0xFF;
-    i++;
-    buf[i] = input_reg & 0xFF;
-    i++;
-    buf[i] = 0x00;
-    i++;
-    buf[i] = 0x01;
-    i++;
-    crc = CRC16_Modbus(buf, i);
-    buf[i] = crc & 0xFF;
-    i++;
-    buf[i] = (crc >> 8) & 0xFF;
-    i++;
-    return i;
-}
-
-size_t read_input_register_ans(unit8_t address, uint8_t meaning, unint8_t* buf, size_t buf_len)
-{
-    n = 0;
-    buf[n] = address;
-    n++;
-    buf[n] = 0x04;
-    n++;
-    buf[n] = 0x01;
-    n++;
-    buf[n] = meaning;
-    n++;
-    crc_otv = CRC16_Modbus(buf, n);
-    buf[n] = crc_otv & 0xFF;
-    i++;
-    buf[n] = (crc_otv >> 8) & 0xFF;
-    i++;
-    return n;
-}
-
-size_t forse_single_coil(unit8_t address, uint16_t address_input, int on, unint8_t* buf, size_t buf_len)
-{
-    int i = 0;
-    buf[i] = address;
-    i++;
-    buf[i] = 0x05;
-    i++;
-    buf[i] = (address_input >> 8)&0xFF;
-    i++;
-    buf[i] = address_input & 0xFF;
-    i++;
-    buf[i] = on ? 0xFF : 0x00;
-    i++;
-    buf[i] = 0x00;
-    i++
-    crc = CRC16_Modbus(buf, i);
-    buf[i] = crc & 0xFF;
-    i++;
-    buf[i] = (crc >> 8) & 0xFF;
-    i++;
-    return i;
-}
-
-size_t forse_single_coil_ans(unit8_t address, uint16_t address_input, int on, unint8_t* buf, size_t buf_len)
-{
-    int i = 0;
-    buf[i] = address;
-    i++;
-    buf[i] = 0x05;
-    i++;
-    buf[i] = (address_input >> 8) & 0xFF;
-    i++;
-    buf[i] = address_input & 0xFF;
-    i++;
-    buf[i] = on ? 0xFF : 0x00;
-    i++;
-    buf[i] = 0x00;
-    i++
-        crc = CRC16_Modbus(buf, i);
-    buf[i] = crc & 0xFF;
-    i++;
-    buf[i] = (crc >> 8) & 0xFF;
-    i++;
-    return i;
-}
-
-size_t preset_single_register(unit8_t address, uint16_t address_input, uint16_t recorded_value, unint8_t* buf, size_t buf_len)
-{
-    int i = 0;
-    buf[i] = address;
-    i++;
-    buf[i] = 0x06;
-    i++;
-    buf[i] = (address_input >> 8) & 0xFF;
-    i++;
-    buf[i] = address_input & 0xFF;
-    i++;
-    buf[i] = (recorded_value >> 8) & 0xFF;
-    i++;
-    buf[i] = recorded_value & 0xFF;
-    i++;
-    crc = CRC16_Modbus(buf, i);
-    buf[i] = crc & 0xFF;
-    i++;
-    buf[i] = (crc >> 8) & 0xFF;
-    i++;
-    return i;
-}
-
-size_t preset_single_register_ans(unit8_t address, uint16_t address_input, uint16_t recorded_value, unint8_t* buf, size_t buf_len)
-{
-    int i = 0;
-    buf[i] = address;
-    i++;
-    buf[i] = 0x06;
-    i++;
-    buf[i] = (address_input >> 8) & 0xFF;
-    i++;
-    buf[i] = address_input & 0xFF;
-    i++;
-    buf[i] = (recorded_value >> 8) & 0xFF;
-    i++;
-    buf[i] = recorded_value & 0xFF;
-    i++;
-    crc = CRC16_Modbus(buf, i);
-    buf[i] = crc & 0xFF;
-    i++;
-    buf[i] = (crc >> 8) & 0xFF;
-    i++;
-    return i;
-}
\ No newline at end of file
+#include <stdint.h>
+#include <string.h>
+
+unsigned int CRC16_Modbus(unsigned char* buf, int len)
+{
+    unsigned int crc = 0xFFFF;
+    for (int pos = 0; pos < len; pos++)
+    {
+        crc ^= (unsigned int)buf[pos]; // XOR-байт в наименьший sig. байт crc
+        for (int i = 8; i != 0; i--)   // Повторите цикл над каждым битом
+        {
+            if ((crc & 0x0001) != 0)   // Если установлен LSB
+            {
+                crc >>= 1; // Сдвиг вправо и XOR 0xA001
+                crc ^= 0xA001;
+            }
+            else // В противном случае LSB не установлен
+            {
+                crc >>= 1;    // Сдвиг вправо
+            }
+        }
+    }
+    crc = ((crc & 0x00ff) << 8) | ((crc & 0xff00) >> 8); // преобразование младших байтов
+    return crc;
+}
+
+size_t read_input_status(uint8_t address, uint16_t discret_input, uint16_t quantity_reg, uint8_t* buf, size_t buf_len)
+{
+	int i=0;
+	buf[i] = address;
+	i++;
+	buf[i] = 0x02;
+	i++;
+	buf[i] = (discret_input >>8)&0xFF;
+	i++;
+	buf[i] = discret_input&0xFF;
+	i++;
+    buf[i] = (quantity_reg >> 8) & 0xFF;
+    i++;
+    buf[i] = quantity_reg & 0xFF;
+    i++;
+    uint16_t crc = CRC16_Modbus(buf, i);
+    buf[i] = crc & 0xFF;
+    i++;
+    buf[i] = (crc >> 8) & 0xFF;
+    i++;
+    return i;
+}
+
+int read_input_status_parse(uint8_t* buf, size_t buf_len, uint8_t* meaning)
+{
+    if (buf_len < 8) {
+        // Недостаточная длина ответа
+        return 0;
+    }
+    // Проверка контрольной суммы
+    uint16_t crc = CRC16_Modbus(buf, buf_len - 2);
+    uint16_t received_crc = buf[buf_len - 2] + (buf[buf_len - 1] << 8);
+
+    if (crc != received_crc) {
+        // Контрольная сумма не совпадает
+        return 0;
+    }
+
+    *meaning = buf[buf_len - 5];
+    return 1;
+}
+
+size_t read_input_register(uint8_t address, uint16_t input_reg, uint8_t* buf, size_t buf_len)
+{
+    int i = 0;
+    buf[i] = address;
+    i++;
+    buf[i] = 0x04;
+    i++;
+    buf[i] = (input_reg >> 8) & 0xFF;
+    i++;
+    buf[i] = input_reg & 0xFF;
+    i++;
+    buf[i] = 0x00;
+    i++;
+    buf[i] = 0x01;
+    i++;
+    uint16_t crc = CRC16_Modbus(buf, i);
+    buf[i] = crc & 0xFF;
+    i++;
+    buf[i] = (crc >> 8) & 0xFF;
+    i++;
+    return i;
+} 
+
+int read_input_register_parse(uint8_t* buf, size_t buf_len , uint16_t* meaning)
+{
+    if (buf_len < 5) {
+        // Недостаточная длина ответа
+        return 0;
+    }
+
+    // Проверка контрольной суммы
+    uint16_t crc = CRC16_Modbus(buf, buf_len - 2);
+    uint16_t received_crc = buf[buf_len - 2] + (buf[buf_len - 1] << 8);
+
+    if (crc != received_crc) {
+        // Контрольная сумма не совпадает
+        return 0;
+    }
+    
+    *meaning = buf[buf_len - 3] + (buf[buf_len - 4] << 8);
+    return 1;
+}
+
+size_t forse_single_coil(uint8_t address, uint16_t address_input, int on, uint8_t* buf, size_t buf_len)
+{
+    int i = 0;
+    buf[i] = address;
+    i++;
+    buf[i] = 0x05;
+    i++;
+    buf[i] = (address_input >> 8)&0xFF;
+    i++;
+    buf[i] = address_input & 0xFF;
+    i++;
+    buf[i] = on ? 0xFF : 0x00;
+    i++;
+    buf[i] = 0x00;
+    i++;
+    uint16_t crc = CRC16_Modbus(buf, i);
+    buf[i] = crc & 0xFF;
+    i++;
+    buf[i] = (crc >> 8) & 0xFF;
+    i++;
+    return i;
+}
+
+int forse_single_coil_parse(uint8_t* buf, size_t buf_len)
+{
+    if (buf_len < 8) {
+        // Недостаточная длина ответа
+        return 0;
+    }
+
+    // Проверка контрольной суммы
+    uint16_t crc = CRC16_Modbus(buf, buf_len - 2);
+    uint16_t received_crc = buf[buf_len - 2] + (buf[buf_len - 1] << 8);
+
+    if (crc != received_crc) {
+        // Контрольная сумма не совпадает
+        return 0;
+    }
+
+    
+    return 1;
+}