From 2a6696bd3d0837c2e655a99000bcbcc759b40075 Mon Sep 17 00:00:00 2001
From: Fred Sundvik <fsundvik@gmail.com>
Date: Sun, 14 Feb 2016 21:31:01 +0200
Subject: [PATCH] Add validator send frame

---
 serial_link/protocol/frame_validator.c    |  7 ++++++
 serial_link/tests/frame_validator_tests.c | 26 +++++++++++++++++++++--
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/serial_link/protocol/frame_validator.c b/serial_link/protocol/frame_validator.c
index d3337f6e3..fdb3ef51c 100644
--- a/serial_link/protocol/frame_validator.c
+++ b/serial_link/protocol/frame_validator.c
@@ -24,6 +24,7 @@ SOFTWARE.
 
 #include "protocol/frame_validator.h"
 #include "protocol/frame_router.h"
+#include "protocol/byte_stuffer.h"
 
 const uint32_t poly8_lookup[256] =
 {
@@ -110,3 +111,9 @@ void recv_frame(uint8_t* data, uint16_t size) {
         }
     }
 }
+
+void validator_send_frame(uint8_t* data, uint16_t size) {
+    uint32_t* crc = (uint32_t*)(data + size);
+    *crc = crc32_byte(data, size);
+    send_frame(data, size + 4);
+}
diff --git a/serial_link/tests/frame_validator_tests.c b/serial_link/tests/frame_validator_tests.c
index 1aca9f95f..816256f6b 100644
--- a/serial_link/tests/frame_validator_tests.c
+++ b/serial_link/tests/frame_validator_tests.c
@@ -30,6 +30,10 @@ void route_frame(uint8_t* data, uint16_t size) {
     mock(data, size);
 }
 
+void send_frame(uint8_t* data, uint16_t size) {
+    mock(data, size);
+}
+
 Describe(FrameValidator);
 BeforeEach(FrameValidator) {}
 AfterEach(FrameValidator) {}
@@ -68,8 +72,6 @@ Ensure(FrameValidator, validates_four_byte_frame_with_correct_crc) {
 }
 
 Ensure(FrameValidator, validates_five_byte_frame_with_correct_crc) {
-    //0xBA304E74
-    //0x470B99F4
     uint8_t data[] = {1, 2, 3, 4, 5, 0xF4, 0x99, 0x0B, 0x47};
     expect(route_frame,
         when(size, is_equal_to(5)),
@@ -77,3 +79,23 @@ Ensure(FrameValidator, validates_five_byte_frame_with_correct_crc) {
     );
     recv_frame(data, 9);
 }
+
+Ensure(FrameValidator, sends_one_byte_with_correct_crc) {
+    uint8_t original[] = {0x44, 0, 0, 0, 0};
+    uint8_t expected[] = {0x44, 0x04, 0x6A, 0xB3, 0xA3};
+    expect(send_frame,
+        when(size, is_equal_to(sizeof(expected))),
+        when(data, is_equal_to_contents_of(expected, sizeof(expected)))
+    );
+    validator_send_frame(original, 1);
+}
+
+Ensure(FrameValidator, sends_five_bytes_with_correct_crc) {
+    uint8_t original[] = {1, 2, 3, 4, 5, 0, 0, 0, 0};
+    uint8_t expected[] = {1, 2, 3, 4, 5, 0xF4, 0x99, 0x0B, 0x47};
+    expect(send_frame,
+        when(size, is_equal_to(sizeof(expected))),
+        when(data, is_equal_to_contents_of(expected, sizeof(expected)))
+    );
+    validator_send_frame(original, 5);
+}