diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
index 66c0617..d11f98b 100644
--- a/.vscode/c_cpp_properties.json
+++ b/.vscode/c_cpp_properties.json
@@ -4,7 +4,7 @@
             "name": "Linux",
             "includePath": [
                 "${workspaceFolder}/**",
-                "/usr/include/gpio_ftdi"
+                "/usr/include/libgpio_ftdi"
             ],
             "defines": [],
             "compilerPath": "/usr/bin/clang",
diff --git a/inc/i2c_bb.h b/inc/i2c_bb.h
index 6fc3501..3f4a68a 100644
--- a/inc/i2c_bb.h
+++ b/inc/i2c_bb.h
@@ -11,9 +11,7 @@ struct i2c_bb {
 int i2c_open(const struct i2c_bb *i2c);
 int i2c_close(const struct i2c_bb *i2c);
 
-void start_condition(const struct i2c_bb *i2c);
-void stop_condition(const struct i2c_bb *i2c);
-bool write_byte(const struct i2c_bb *i2c, unsigned char byte);
-unsigned char read_byte(const struct i2c_bb *i2c, bool ack);
+int i2_read(const struct i2c_bb *i2c, uint8_t slave_addr, char *buffer, unsigned int len);
+int i2_write(const struct i2c_bb *i2c, uint8_t slave_addr, const char *buffer, unsigned int len);
 
 #endif
diff --git a/src/i2c.c b/src/i2c.c
index 4ef73a8..8c30fd3 100644
--- a/src/i2c.c
+++ b/src/i2c.c
@@ -10,6 +10,10 @@
 
 static void write_bit(const struct i2c_bb *i2c, uint8_t bit);
 static uint8_t read_bit(const struct i2c_bb *i2c);
+static void start_condition(const struct i2c_bb *i2c);
+static void stop_condition(const struct i2c_bb *i2c);
+static bool write_byte(const struct i2c_bb *i2c, uint8_t byte);
+static uint8_t read_byte(const struct i2c_bb *i2c, bool ack);
 
 // cppcheck-suppress unusedFunction
 int i2c_open(const struct i2c_bb *i2c)
@@ -36,8 +40,48 @@ int i2c_close(const struct i2c_bb *i2c)
     return res;
 }
 
+int i2_read(const struct i2c_bb *i2c, uint8_t slave_addr, char *buffer, unsigned int len)
+{
+    unsigned int i;
+    assert(NULL != i2c);
+
+    if((NULL == buffer) || len == 0) {
+        return 0;
+    }
+
+    start_condition(i2c);
+    write_byte(i2c, (slave_addr & 0x80));
+    for(i = 0; i < len; i++) {
+        buffer[i] = read_byte(i2c, true);
+    }
+    stop_condition(i2c);
+
+    return (int)i;
+}
+
+int i2_write(const struct i2c_bb *i2c, uint8_t slave_addr, const char *buffer, unsigned int len)
+{
+    unsigned int i;
+
+    assert(NULL != i2c);
+
+    if((NULL == buffer) || len == 0) {
+        return 0;
+    }
+
+    start_condition(i2c);
+    write_byte(i2c, (slave_addr & 0x7F));
+    for(i = 0; i < len; i++) {
+        write_byte(i2c, buffer[i]);
+    }
+    stop_condition(i2c);
+
+    return (int)i;
+}
+
+
 // cppcheck-suppress unusedFunction
-void start_condition(const struct i2c_bb *i2c)
+static void start_condition(const struct i2c_bb *i2c)
 {
     assert( NULL != i2c);
 
@@ -51,7 +95,7 @@ void start_condition(const struct i2c_bb *i2c)
 }
 
 // cppcheck-suppress unusedFunction
-void stop_condition(const struct i2c_bb *i2c)
+static void stop_condition(const struct i2c_bb *i2c)
 {
     assert( NULL != i2c);
 
@@ -64,7 +108,7 @@ void stop_condition(const struct i2c_bb *i2c)
 }
 
 // cppcheck-suppress unusedFunction
-bool write_byte(const struct i2c_bb *i2c, unsigned char byte)
+static bool write_byte(const struct i2c_bb *i2c, uint8_t byte)
 {
     uint8_t ack, i;
 
@@ -81,7 +125,7 @@ bool write_byte(const struct i2c_bb *i2c, unsigned char byte)
 }
 
 // cppcheck-suppress unusedFunction
-unsigned char read_byte(const struct i2c_bb *i2c, bool ack)
+static uint8_t read_byte(const struct i2c_bb *i2c, bool ack)
 {
     uint8_t res = 0, i;