diff --git a/matrixio_hal/bus.py b/matrixio_hal/bus.py
index 973b962..c3c6981 100644
--- a/matrixio_hal/bus.py
+++ b/matrixio_hal/bus.py
@@ -12,8 +12,8 @@ def sigterm_handler(signal, frame):
 
 signal.signal(signal.SIGTERM, sigterm_handler)
 
-bus = matrixio_cpp_hal.PyWishboneBus()
-bus.SpiInit()
+bus = matrixio_cpp_hal.PyMatrixIOBus()
+bus.Init()
 
 # set some infos about the MCU and FPGA
 mcu_data = matrixio_cpp_hal.PyMCUData()
@@ -24,10 +24,8 @@ def sigterm_handler(signal, frame):
 del mcu_data
 del mcu
 
-fpga_data = matrixio_cpp_hal.PyReadData(struct.calcsize('LL'))
-bus.SpiRead(0x0000 >> 1, fpga_data)
-FPGA_IDENTIFY, FPGA_FIRMWARE_VERSION = ['{:x}'.format(d) for d in struct.unpack('LL', bytearray(fpga_data.get()))]
-del fpga_data
+FPGA_IDENTIFY = '{:x}'.format(bus.MatrixName())
+FPGA_FIRMWARE_VERSION = '{:x}'.format(bus.MatrixVersion())
 
 MATRIX_DEVICE = 'unknown'
 if FPGA_IDENTIFY == '5c344e8':
@@ -36,8 +34,5 @@ def sigterm_handler(signal, frame):
     MATRIX_DEVICE = 'voice'
 
 # set FPGA_FREQUENCY
-
-FPGA_FREQUENCY = 0
-if bus.GetFPGAFrequency():
-    FPGA_FREQUENCY = bus.FPGAClock()
+FPGA_FREQUENCY = bus.FPGAClock()
 
diff --git a/matrixio_hal/everloop.py b/matrixio_hal/everloop.py
index 17c2b72..d653af8 100644
--- a/matrixio_hal/everloop.py
+++ b/matrixio_hal/everloop.py
@@ -4,7 +4,7 @@
 import atexit
 import time
 
-EVERLOOP_SIZE = 35 if bus.MATRIX_DEVICE == 'creator' else 18
+EVERLOOP_SIZE = bus.bus.MatrixLeds()
 
 COLORS = {             #  R    G    B    W
         "black":       [  0,   0,   0,   0],
diff --git a/matrixio_hal/matrixio_cpp_hal.pyx b/matrixio_hal/matrixio_cpp_hal.pyx
index 1f85a8d..8bdd0e4 100644
--- a/matrixio_hal/matrixio_cpp_hal.pyx
+++ b/matrixio_hal/matrixio_cpp_hal.pyx
@@ -5,19 +5,21 @@ from libcpp.vector cimport vector
 from cython.operator cimport dereference as deref
 from cython.operator cimport preincrement as incr
 
-cdef extern from "matrix_hal/wishbone_bus.h" namespace "matrix_hal":
-    cdef cppclass WishboneBus:
-        WishboneBus() except +
-        bool SpiInit()
-        bool SpiRead(uint16_t add, unsigned char* data, int length)
-        void SpiClose()
-        bool GetFPGAFrequency()
+cdef extern from "matrix_hal/matrixio_bus.h" namespace "matrix_hal":
+    cdef cppclass MatrixIOBus:
+        MatrixIOBus() except +
+        bool Init()
+        bool Read(uint16_t add, unsigned char* data, int length)
         uint32_t FPGAClock()
+        uint32_t MatrixName()
+        uint32_t MatrixVersion()
+        int MatrixLeds()
+        bool IsDirectBus()
 
 cdef extern from "matrix_hal/matrix_driver.h" namespace "matrix_hal":
     cdef cppclass MatrixDriver:
         MatrixDriver() except +
-        void Setup(WishboneBus* wishbone)
+        void Setup(MatrixIOBus* wishbone)
 
 cdef extern from "matrix_hal/fw_data.h" namespace "matrix_hal":
     cdef cppclass MCUData:
@@ -105,7 +107,7 @@ cdef extern from "matrix_hal/gpio_control.h" namespace "matrix_hal":
 
     cdef cppclass GPIOControl:
         GPIOControl() except +
-        void Setup(WishboneBus* bus)
+        void Setup(MatrixIOBus* bus)
         bool SetMode(uint16_t pin, uint16_t mode)
         bool SetFunction(uint16_t pin, uint16_t function)
         bool SetGPIOValue(uint16_t pin, uint16_t value)
@@ -131,28 +133,31 @@ cdef class PyReadData:
     def get(self):
         return [self.data[i] for i in range(0, self.size)]
 
-cdef class PyWishboneBus:
-    cdef WishboneBus* thisptr
+cdef class PyMatrixIOBus:
+    cdef MatrixIOBus* thisptr
     def __cinit__(self):
-        self.thisptr = new WishboneBus()
+        self.thisptr = new MatrixIOBus()
     def __dealloc__(self):
         del self.thisptr
 
-    def SpiInit(self):
-        return self.thisptr.SpiInit()
+    def Init(self):
+        return self.thisptr.Init()
 
-    def SpiRead(self, add, PyReadData data):
-        return self.thisptr.SpiRead(add, data.data, data.size)
-
-    def SpiClose(self):
-        self.thisptr.SpiClose()
-
-    def GetFPGAFrequency(self):
-        return self.thisptr.GetFPGAFrequency()
+    def Read(self, add, PyReadData data):
+        return self.thisptr.Read(add, data.data, data.size)
 
     def FPGAClock(self):
         return self.thisptr.FPGAClock()
 
+    def MatrixName(self):
+        return self.thisptr.MatrixName()
+
+    def MatrixVersion(self):
+        return self.thisptr.MatrixVersion()
+
+    def MatrixLeds(self):
+        return self.thisptr.MatrixLeds()
+
 cdef class PyMatrixDriver:
     cdef MatrixDriver *driverptr
     def __cinit__(self):
@@ -162,7 +167,7 @@ cdef class PyMatrixDriver:
         if type(self) is PyMatrixDriver:
             del self.driverptr
 
-    def Setup(self, PyWishboneBus bus):
+    def Setup(self, PyMatrixIOBus bus):
         self.driverptr.Setup(bus.thisptr)
 
 
@@ -423,7 +428,7 @@ cdef class PyGPIOControl:
     def __dealloc__(self):
         del self.thisptr
 
-    def Setup(self, PyWishboneBus bus):
+    def Setup(self, PyMatrixIOBus bus):
         self.thisptr.Setup(bus.thisptr)
 
     def SetMode(self, pin, mode):
diff --git a/setup.py b/setup.py
index 08a86d5..e48a5ed 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
 
 setup(
       name='python-matrixio-hal',
-      version='1.0.1',
+      version='1.1.0',
       description='Python HAL for the Matrix Creator / Voice wrapping the C++ drivers',
       author='cmetz',
       author_email='christoph.metz@gulp.de',