diff --git a/tests/simlighttest.c b/tests/simlighttest.c
index abf8f0b..b228401 100644
--- a/tests/simlighttest.c
+++ b/tests/simlighttest.c
@@ -2,19 +2,13 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <libserialport.h>
-#include "../src/monocoque/simulatorapi/simapi/simapi/simdata.h"
+#include "../src/arduino/shiftlights/shiftlights.h"
 
 /* Helper function for error handling. */
 int check(enum sp_return result);
 
 int main()
 {
-    SimData sd;
-    sd.maxrpm = 6500;
-    sd.rpms = 0;
-    sd.altitude = 10;
-    sd.gear = 1;
-    sd.velocity = 74;
 
     char* port_name = "/dev/ttyACM0";
 
@@ -28,24 +22,30 @@ int main()
     printf("Opening port.\n");
     check(sp_open(port, SP_MODE_READ_WRITE));
 
-    printf("Setting port to 9600 8N1, no flow control.\n");
-    check(sp_set_baudrate(port, 9600));
+    printf("Setting port to 115200 8N1, no flow control.\n");
+    check(sp_set_baudrate(port, 115200));
     check(sp_set_bits(port, 8));
     check(sp_set_parity(port, SP_PARITY_NONE));
     check(sp_set_stopbits(port, 1));
     check(sp_set_flowcontrol(port, SP_FLOWCONTROL_NONE));
 
-    while ( sd.rpms <= sd.maxrpm )
+    ShiftLightsData sd;
+
+
+    int result;
+    unsigned int timeout = 2000;
+    size_t size = sizeof(ShiftLightsData);
+    for( sd.litleds = 0; sd.litleds < 7; sd.litleds++)
     {
 
 
-        unsigned int timeout = 2000;
+
 
         /* On success, sp_blocking_write() and sp_blocking_read()
          * return the number of bytes sent/received before the
         * timeout expired. We'll store that result here. */
-        int result;
-        int size = sizeof(SimData);
+
+
 
         /* Send data. */
         result = check(sp_blocking_write(port, &sd, size, timeout));
@@ -53,25 +53,18 @@ int main()
         /* Check whether we sent all of the data. */
         if (result == size)
         {
-            printf("Sent %d bytes successfully, %i rpm.\n", size, sd.rpms);
+            printf("Sent %d bytes successfully, %i lit leds.\n", size, sd.litleds);
         }
         else
         {
             printf("Timed out, %d/%d bytes sent.\n", result, size);
         }
 
-        sd.rpms += 1000;
-        if ( sd.rpms == sd.maxrpm + 1000 )
-        {
-            sd.rpms = 0;
-        }
-        if ( sd.rpms > sd.maxrpm )
-        {
-            sd.rpms = sd.maxrpm;
-        }
 
-        sleep(1);
+        sleep(2);
     }
+    sd.litleds = 0;
+    result = check(sp_blocking_write(port, &sd, size, timeout));
 
     check(sp_close(port));
     sp_free_port(port);