diff --git a/flight/targets/boards/gpsplatinum/board_hw_defs.c b/flight/targets/boards/gpsplatinum/board_hw_defs.c
index 3f9e5d1d5..74a6c6092 100644
--- a/flight/targets/boards/gpsplatinum/board_hw_defs.c
+++ b/flight/targets/boards/gpsplatinum/board_hw_defs.c
@@ -199,6 +199,55 @@ void PIOS_SPI_mag_flash_irq_handler(void)
     PIOS_SPI_IRQ_Handler(pios_spi_mag_flash_id);
 }
 
+
+#if defined(PIOS_INCLUDE_HMC5X83)
+#include "pios_hmc5x83.h"
+#ifdef PIOS_HMC5x83_HAS_GPIOS
+static const struct pios_exti_cfg pios_exti_mag_cfg __exti_config = {
+    .vector = PIOS_HMC5x83_IRQHandler,
+    .line   = EXTI_Line7,
+    .pin    = {
+        .gpio = GPIOB,
+        .init = {
+            .GPIO_Pin   = GPIO_Pin_7,
+            .GPIO_Speed = GPIO_Speed_100MHz,
+            .GPIO_Mode  = GPIO_Mode_IN,
+            .GPIO_OType = GPIO_OType_OD,
+            .GPIO_PuPd  = GPIO_PuPd_NOPULL,
+        },
+    },
+    .irq                                       = {
+        .init                                  = {
+            .NVIC_IRQChannel    = EXTI9_5_IRQn,
+            .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_LOW,
+            .NVIC_IRQChannelSubPriority        = 0,
+            .NVIC_IRQChannelCmd = ENABLE,
+        },
+    },
+    .exti                                      = {
+        .init                                  = {
+            .EXTI_Line    = EXTI_Line7, // matches above GPIO pin
+            .EXTI_Mode    = EXTI_Mode_Interrupt,
+            .EXTI_Trigger = EXTI_Trigger_Rising,
+            .EXTI_LineCmd = ENABLE,
+        },
+    },
+};
+#endif
+
+static const struct pios_hmc5x83_cfg pios_mag_cfg = {
+#ifdef PIOS_HMC5x83_HAS_GPIOS
+    .exti_cfg  = &pios_exti_mag_cfg,
+#endif
+    .M_ODR     = PIOS_HMC5x83_ODR_75,
+    .Meas_Conf = PIOS_HMC5x83_MEASCONF_NORMAL,
+    .Gain = PIOS_HMC5x83_GAIN_1_9,
+    .Mode = PIOS_HMC5x83_MODE_CONTINUOUS,
+    .Driver = &PIOS_HMC5x83_SPI_DRIVER,
+};
+#endif /* PIOS_INCLUDE_HMC5883 */
+
+
 #endif /* PIOS_INCLUDE_SPI */
 
 #if defined(PIOS_INCLUDE_USART)
diff --git a/flight/targets/boards/gpsplatinum/firmware/Makefile b/flight/targets/boards/gpsplatinum/firmware/Makefile
index 338e16c6f..2594ebe4b 100644
--- a/flight/targets/boards/gpsplatinum/firmware/Makefile
+++ b/flight/targets/boards/gpsplatinum/firmware/Makefile
@@ -54,6 +54,7 @@ SRC += $(OPSYSTEM)/pios_board.c
 SRC += $(OPUAVOBJ)/uavobjectmanager.c
 SRC += $(OPUAVOBJ)/eventdispatcher.c
 
+SRC += $(PIOSCOMMON)/pios_hmc5x83.c
 
 ## UAVObjects
 SRC += $(OPUAVSYNTHDIR)/firmwareiapobj.c
diff --git a/flight/targets/boards/gpsplatinum/firmware/inc/pios_config.h b/flight/targets/boards/gpsplatinum/firmware/inc/pios_config.h
index 27b4fe853..e706898cf 100644
--- a/flight/targets/boards/gpsplatinum/firmware/inc/pios_config.h
+++ b/flight/targets/boards/gpsplatinum/firmware/inc/pios_config.h
@@ -83,6 +83,7 @@
 //#define PIOS_MPU6000_ACCEL
 /* #define PIOS_INCLUDE_HMC5843 */
 /* #define PIOS_INCLUDE_HMC5883 */
+#define PIOS_INCLUDE_HMC5X83
 /* #define PIOS_HMC5883_HAS_GPIOS */
 /* #define PIOS_INCLUDE_BMP085 */
 /* #define PIOS_INCLUDE_MS5611 */
diff --git a/flight/targets/boards/gpsplatinum/firmware/pios_board.c b/flight/targets/boards/gpsplatinum/firmware/pios_board.c
index c7128ed2e..5c87ad5b0 100644
--- a/flight/targets/boards/gpsplatinum/firmware/pios_board.c
+++ b/flight/targets/boards/gpsplatinum/firmware/pios_board.c
@@ -74,6 +74,10 @@ void PIOS_Board_Init(void)
         PIOS_Assert(0);
     }
 
+#ifdef PIOS_INCLUDE_HMC5X83
+    PIOS_SPI_SetPrescalar(pios_spi_mag_flash_id, SPI_BaudRatePrescaler_16);
+    PIOS_HMC5x83_Init(&pios_mag_cfg, pios_spi_mag_flash_id, 0);
+#endif
 
 #endif
 /* Initialize the task monitor */