diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_BLUEPILL_F103C8/objects.h b/hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_BLUEPILL_F103C8/objects.h
index 5b2e45b553..d8d35edee7 100644
--- a/hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_BLUEPILL_F103C8/objects.h
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_BLUEPILL_F103C8/objects.h
@@ -89,19 +89,13 @@ struct i2c_s {
     uint32_t slave;
 };
 
-struct pwmout_s {
-    PWMName pwm;
-    PinName pin;
-    uint32_t period;
-    uint32_t pulse;
-};
-
 struct can_s {
     CANName can;
     int index;
 };
 
 #include "gpio_object.h"
+#include "common_objects.h"
 
 #ifdef __cplusplus
 }
diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_DISCO_F100RB/objects.h b/hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_DISCO_F100RB/objects.h
index a75a3e96b1..d2f6bd8420 100644
--- a/hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_DISCO_F100RB/objects.h
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_DISCO_F100RB/objects.h
@@ -89,13 +89,7 @@ struct i2c_s {
     uint32_t slave;
 };
 
-struct pwmout_s {
-    PWMName pwm;
-    PinName pin;
-    uint32_t period;
-    uint32_t pulse;
-};
-
+#include "common_objects.h"
 #include "gpio_object.h"
 
 #ifdef __cplusplus
diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/objects.h b/hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/objects.h
index 5b2e45b553..8e18b767ea 100644
--- a/hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/objects.h
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/objects.h
@@ -89,18 +89,12 @@ struct i2c_s {
     uint32_t slave;
 };
 
-struct pwmout_s {
-    PWMName pwm;
-    PinName pin;
-    uint32_t period;
-    uint32_t pulse;
-};
-
 struct can_s {
     CANName can;
     int index;
 };
 
+#include "common_objects.h"
 #include "gpio_object.h"
 
 #ifdef __cplusplus
diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F1/common_objects.h b/hal/targets/hal/TARGET_STM/TARGET_STM32F1/common_objects.h
new file mode 100644
index 0000000000..f2d09cd2a4
--- /dev/null
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F1/common_objects.h
@@ -0,0 +1,56 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2016, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#ifndef MBED_COMMON_OBJECTS_H
+#define MBED_COMMON_OBJECTS_H
+
+#include "cmsis.h"
+#include "PortNames.h"
+#include "PeripheralNames.h"
+#include "PinNames.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct pwmout_s {
+    PWMName pwm;
+    PinName pin;
+    uint32_t period;
+    uint32_t pulse;
+};
+
+#include "gpio_object.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+