diff --git a/serial_link/protocol/byte_stuffer.c b/serial_link/protocol/byte_stuffer.c
index 69cfca359..f9aa02a3f 100644
--- a/serial_link/protocol/byte_stuffer.c
+++ b/serial_link/protocol/byte_stuffer.c
@@ -60,7 +60,7 @@ void recv_byte(byte_stuffer_state_t* state, uint8_t data) {
         if (state->next_zero == 0) {
             // The frame is completed
             if (state->data_pos > 0) {
-                recv_frame(state->data, state->data_pos);
+                validator_recv_frame(state->data, state->data_pos);
             }
         }
         else {
diff --git a/serial_link/protocol/frame_validator.c b/serial_link/protocol/frame_validator.c
index fdb3ef51c..0ffcda047 100644
--- a/serial_link/protocol/frame_validator.c
+++ b/serial_link/protocol/frame_validator.c
@@ -102,7 +102,7 @@ static uint32_t crc32_byte(uint8_t *p, uint32_t bytelength)
     return (crc ^ 0xffffffff);
 }
 
-void recv_frame(uint8_t* data, uint16_t size) {
+void validator_recv_frame(uint8_t* data, uint16_t size) {
     if (size > 4) {
         uint32_t frame_crc = *(uint32_t*)(data + size - 4);
         uint32_t expected_crc = crc32_byte(data, size - 4);
diff --git a/serial_link/protocol/frame_validator.h b/serial_link/protocol/frame_validator.h
index ee1f9a78a..2e518894f 100644
--- a/serial_link/protocol/frame_validator.h
+++ b/serial_link/protocol/frame_validator.h
@@ -22,4 +22,6 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 */
 
-void recv_frame(uint8_t* data, uint16_t size);
+void validator_recv_frame(uint8_t* data, uint16_t size);
+// The buffer pointed to by the data needs 4 additional bytes
+void validator_send_frame(uint8_t* data, uint16_t size);
diff --git a/serial_link/tests/byte_stuffer_tests.c b/serial_link/tests/byte_stuffer_tests.c
index fbdf39e1b..78bcbb473 100644
--- a/serial_link/tests/byte_stuffer_tests.c
+++ b/serial_link/tests/byte_stuffer_tests.c
@@ -40,7 +40,7 @@ BeforeEach(ByteStuffer) {
 }
 AfterEach(ByteStuffer) {}
 
-void recv_frame(uint8_t* data, uint16_t size) {
+void validator_recv_frame(uint8_t* data, uint16_t size) {
     mock(data, size);
 }
 
@@ -50,29 +50,29 @@ void send_data(const uint8_t* data, uint16_t size) {
 }
 
 Ensure(ByteStuffer, receives_no_frame_for_a_single_zero_byte) {
-    never_expect(recv_frame);
+    never_expect(validator_recv_frame);
     recv_byte(&state, 0);
 }
 
 Ensure(ByteStuffer, receives_no_frame_for_a_single_FF_byte) {
-    never_expect(recv_frame);
+    never_expect(validator_recv_frame);
     recv_byte(&state, 0xFF);
 }
 
 Ensure(ByteStuffer, receives_no_frame_for_a_single_random_byte) {
-    never_expect(recv_frame);
+    never_expect(validator_recv_frame);
     recv_byte(&state, 0x4A);
 }
 
 Ensure(ByteStuffer, receives_no_frame_for_a_zero_length_frame) {
-    never_expect(recv_frame);
+    never_expect(validator_recv_frame);
     recv_byte(&state, 1);
     recv_byte(&state, 0);
 }
 
 Ensure(ByteStuffer, receives_single_byte_valid_frame) {
     uint8_t expected[] = {0x37};
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(1)),
         when(data, is_equal_to_contents_of(expected, 1))
     );
@@ -83,7 +83,7 @@ Ensure(ByteStuffer, receives_single_byte_valid_frame) {
 
 Ensure(ByteStuffer, receives_three_bytes_valid_frame) {
     uint8_t expected[] = {0x37, 0x99, 0xFF};
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(3)),
         when(data, is_equal_to_contents_of(expected, 3))
     );
@@ -96,7 +96,7 @@ Ensure(ByteStuffer, receives_three_bytes_valid_frame) {
 
 Ensure(ByteStuffer, receives_single_zero_valid_frame) {
     uint8_t expected[] = {0};
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(1)),
         when(data, is_equal_to_contents_of(expected, 1))
     );
@@ -107,7 +107,7 @@ Ensure(ByteStuffer, receives_single_zero_valid_frame) {
 
 Ensure(ByteStuffer, receives_valid_frame_with_zeroes) {
     uint8_t expected[] = {5, 0, 3, 0};
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(4)),
         when(data, is_equal_to_contents_of(expected, 4))
     );
@@ -122,11 +122,11 @@ Ensure(ByteStuffer, receives_valid_frame_with_zeroes) {
 Ensure(ByteStuffer, receives_two_valid_frames) {
     uint8_t expected1[] = {5, 0};
     uint8_t expected2[] = {3};
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(2)),
         when(data, is_equal_to_contents_of(expected1, 2))
     );
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(1)),
         when(data, is_equal_to_contents_of(expected2, 1))
     );
@@ -141,7 +141,7 @@ Ensure(ByteStuffer, receives_two_valid_frames) {
 
 Ensure(ByteStuffer, receives_valid_frame_after_unexpected_zero) {
     uint8_t expected[] = {5, 7};
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(2)),
         when(data, is_equal_to_contents_of(expected, 2))
     );
@@ -156,7 +156,7 @@ Ensure(ByteStuffer, receives_valid_frame_after_unexpected_zero) {
 
 Ensure(ByteStuffer, receives_valid_frame_after_unexpected_non_zero) {
     uint8_t expected[] = {5, 7};
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(2)),
         when(data, is_equal_to_contents_of(expected, 2))
     );
@@ -176,7 +176,7 @@ Ensure(ByteStuffer, receives_a_valid_frame_with_over254_non_zeroes_and_then_end_
     for (i=0;i<254;i++) {
         expected[i] = i + 1;
     }
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(254)),
         when(data, is_equal_to_contents_of(expected, 254))
     );
@@ -194,7 +194,7 @@ Ensure(ByteStuffer, receives_a_valid_frame_with_over254_non_zeroes_next_byte_is_
         expected[i] = i + 1;
     }
     expected[254] = 7;
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(255)),
         when(data, is_equal_to_contents_of(expected, 255))
     );
@@ -214,7 +214,7 @@ Ensure(ByteStuffer, receives_a_valid_frame_with_over254_non_zeroes_next_byte_is_
         expected[i] = i + 1;
     }
     expected[254] = 0;
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(255)),
         when(data, is_equal_to_contents_of(expected, 255))
     );
@@ -239,7 +239,7 @@ Ensure(ByteStuffer, receives_two_long_frames_and_some_more) {
     for (i=0;i<7;i++) {
         expected[254*2+i] = i + 1;
     }
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(515)),
         when(data, is_equal_to_contents_of(expected, 510))
     );
@@ -264,7 +264,7 @@ Ensure(ByteStuffer, receives_two_long_frames_and_some_more) {
 
 Ensure(ByteStuffer, receives_an_all_zeros_frame_that_is_maximum_size) {
     uint8_t expected[MAX_FRAME_SIZE] = {};
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(MAX_FRAME_SIZE)),
         when(data, is_equal_to_contents_of(expected, MAX_FRAME_SIZE))
     );
@@ -278,7 +278,7 @@ Ensure(ByteStuffer, receives_an_all_zeros_frame_that_is_maximum_size) {
 
 Ensure(ByteStuffer, doesnt_recv_a_frame_thats_too_long_all_zeroes) {
     uint8_t expected[1] = {0};
-    never_expect(recv_frame);
+    never_expect(validator_recv_frame);
     int i;
     recv_byte(&state, 1);
     for(i=0;i<MAX_FRAME_SIZE;i++) {
@@ -290,7 +290,7 @@ Ensure(ByteStuffer, doesnt_recv_a_frame_thats_too_long_all_zeroes) {
 
 Ensure(ByteStuffer, received_frame_is_aborted_when_its_too_long) {
     uint8_t expected[1] = {1};
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(1)),
         when(data, is_equal_to_contents_of(expected, 1))
     );
@@ -432,7 +432,7 @@ Ensure(ByteStuffer, sends_frame_with_254_non_zeroes_followed_by_zero) {
 Ensure(ByteStuffer, sends_and_receives_full_roundtrip_small_packet) {
     uint8_t original_data[] = { 1, 2, 3};
     send_frame(original_data, sizeof(original_data));
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(sizeof(original_data))),
         when(data, is_equal_to_contents_of(original_data, sizeof(original_data)))
     );
@@ -445,7 +445,7 @@ Ensure(ByteStuffer, sends_and_receives_full_roundtrip_small_packet) {
 Ensure(ByteStuffer, sends_and_receives_full_roundtrip_small_packet_with_zeros) {
     uint8_t original_data[] = { 1, 0, 3, 0, 0, 9};
     send_frame(original_data, sizeof(original_data));
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(sizeof(original_data))),
         when(data, is_equal_to_contents_of(original_data, sizeof(original_data)))
     );
@@ -462,7 +462,7 @@ Ensure(ByteStuffer, sends_and_receives_full_roundtrip_254_bytes) {
         original_data[i] = i + 1;
     }
     send_frame(original_data, sizeof(original_data));
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(sizeof(original_data))),
         when(data, is_equal_to_contents_of(original_data, sizeof(original_data)))
     );
@@ -480,7 +480,7 @@ Ensure(ByteStuffer, sends_and_receives_full_roundtrip_256_bytes) {
     original_data[254] = 22;
     original_data[255] = 23;
     send_frame(original_data, sizeof(original_data));
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(sizeof(original_data))),
         when(data, is_equal_to_contents_of(original_data, sizeof(original_data)))
     );
@@ -497,7 +497,7 @@ Ensure(ByteStuffer, sends_and_receives_full_roundtrip_254_bytes_and_then_zero) {
     }
     original_data[254] = 0;
     send_frame(original_data, sizeof(original_data));
-    expect(recv_frame,
+    expect(validator_recv_frame,
         when(size, is_equal_to(sizeof(original_data))),
         when(data, is_equal_to_contents_of(original_data, sizeof(original_data)))
     );
diff --git a/serial_link/tests/frame_validator_tests.c b/serial_link/tests/frame_validator_tests.c
index 816256f6b..3938f3eac 100644
--- a/serial_link/tests/frame_validator_tests.c
+++ b/serial_link/tests/frame_validator_tests.c
@@ -41,10 +41,10 @@ AfterEach(FrameValidator) {}
 Ensure(FrameValidator, doesnt_validate_frames_under_5_bytes) {
     never_expect(route_frame);
     uint8_t data[] = {1, 2};
-    recv_frame(0, 1);
-    recv_frame(data, 2);
-    recv_frame(data, 3);
-    recv_frame(data, 4);
+    validator_recv_frame(0, 1);
+    validator_recv_frame(data, 2);
+    validator_recv_frame(data, 3);
+    validator_recv_frame(data, 4);
 }
 
 Ensure(FrameValidator, validates_one_byte_frame_with_correct_crc) {
@@ -53,13 +53,13 @@ Ensure(FrameValidator, validates_one_byte_frame_with_correct_crc) {
         when(size, is_equal_to(1)),
         when(data, is_equal_to_contents_of(data, 1))
     );
-    recv_frame(data, 5);
+    validator_recv_frame(data, 5);
 }
 
 Ensure(FrameValidator, does_not_validate_one_byte_frame_with_incorrect_crc) {
     uint8_t data[] = {0x44, 0, 0, 0, 0};
     never_expect(route_frame);
-    recv_frame(data, 5);
+    validator_recv_frame(data, 5);
 }
 
 Ensure(FrameValidator, validates_four_byte_frame_with_correct_crc) {
@@ -68,7 +68,7 @@ Ensure(FrameValidator, validates_four_byte_frame_with_correct_crc) {
         when(size, is_equal_to(4)),
         when(data, is_equal_to_contents_of(data, 4))
     );
-    recv_frame(data, 8);
+    validator_recv_frame(data, 8);
 }
 
 Ensure(FrameValidator, validates_five_byte_frame_with_correct_crc) {
@@ -77,7 +77,7 @@ Ensure(FrameValidator, validates_five_byte_frame_with_correct_crc) {
         when(size, is_equal_to(5)),
         when(data, is_equal_to_contents_of(data, 5))
     );
-    recv_frame(data, 9);
+    validator_recv_frame(data, 9);
 }
 
 Ensure(FrameValidator, sends_one_byte_with_correct_crc) {