diff --git a/matrix.go b/matrix.go
index b6673c5..8b9ddf1 100644
--- a/matrix.go
+++ b/matrix.go
@@ -23,6 +23,18 @@ void led_matrix_swap(struct RGBLedMatrix *matrix, struct LedCanvas *offscreen_ca
 
   offscreen_canvas = led_matrix_swap_on_vsync(matrix, offscreen_canvas);
 }
+
+void set_show_refresh_rate(struct RGBLedMatrixOptions *o, int show_refresh_rate) {
+  o->show_refresh_rate = show_refresh_rate != 0 ? 1 : 0;
+}
+
+void set_disable_hardware_pulsing(struct RGBLedMatrixOptions *o, int disable_hardware_pulsing) {
+  o->disable_hardware_pulsing = disable_hardware_pulsing != 0 ? 1 : 0;
+}
+
+void set_inverse_colors(struct RGBLedMatrixOptions *o, int inverse_colors) {
+  o->inverse_colors = inverse_colors != 0 ? 1 : 0;
+}
 */
 import "C"
 import (
@@ -82,6 +94,9 @@ type HardwareConfig struct {
 
 	ShowRefreshRate bool
 	InverseColors   bool
+
+	// Name of GPIO mapping used
+	HardwareMapping string
 }
 
 func (c *HardwareConfig) geometry() (width, height int) {
@@ -98,9 +113,25 @@ func (c *HardwareConfig) toC() *C.struct_RGBLedMatrixOptions {
 	o.pwm_lsb_nanoseconds = C.int(c.PWMLSBNanoseconds)
 	o.brightness = C.int(c.Brightness)
 	o.scan_mode = C.int(c.ScanMode)
-	//	o.disable_hardware_pulsing = c.DisableHardwarePulsing
-	//	o.show_refresh_rate = c.ShowRefreshRate
-	//	o.inverse_colors = c.InverseColors
+	o.hardware_mapping = C.CString(c.HardwareMapping)
+
+	if c.ShowRefreshRate == true {
+		C.set_show_refresh_rate(o, C.int(1))
+	} else {
+		C.set_show_refresh_rate(o, C.int(0))
+	}
+
+	if c.DisableHardwarePulsing == true {
+		C.set_disable_hardware_pulsing(o, C.int(1))
+	} else {
+		C.set_disable_hardware_pulsing(o, C.int(0))
+	}
+
+	if c.InverseColors == true {
+		C.set_inverse_colors(o, C.int(1))
+	} else {
+		C.set_inverse_colors(o, C.int(0))
+	}
 
 	return o
 }