diff --git a/arch/stm32f429/registers/gpio.c b/arch/stm32f429/registers/gpio.c
index a9cce351b..6e00ef5a2 100644
--- a/arch/stm32f429/registers/gpio.c
+++ b/arch/stm32f429/registers/gpio.c
@@ -17,6 +17,7 @@
 #define GPIO_OSPEEDR_OFFSET 0x08
 #define GPIO_PUPDR_OFFSET   0x0C
 #define GPIO_IDR_OFFSET     0x10
+#define GPIO_ODR_OFFSET     0x14
 
 char * GPIO_REGISTER_ADDRESS(GPIO_t gpio, int registerOffset) {
   char * gpioBaseAddress[11] = {
@@ -28,7 +29,6 @@ char * GPIO_REGISTER_ADDRESS(GPIO_t gpio, int registerOffset) {
   return gpioBaseAddress[gpio] + registerOffset;
 }
 
-
 GPIO_MODER_t * GPIO_MODER(GPIO_t gpio) {
   return (GPIO_MODER_t *)GPIO_REGISTER_ADDRESS(gpio, GPIO_MODER_OFFSET);
 }
@@ -49,3 +49,6 @@ GPIO_IDR_t * GPIO_IDR(GPIO_t gpio) {
   return (GPIO_IDR_t *)GPIO_REGISTER_ADDRESS(gpio, GPIO_IDR_OFFSET);
 }
 
+GPIO_ODR_t * GPIO_ODR(GPIO_t gpio) {
+  return (GPIO_ODR_t *)GPIO_REGISTER_ADDRESS(gpio, GPIO_ODR_OFFSET);
+}
diff --git a/arch/stm32f429/registers/gpio.h b/arch/stm32f429/registers/gpio.h
index a363a7712..df34209c9 100644
--- a/arch/stm32f429/registers/gpio.h
+++ b/arch/stm32f429/registers/gpio.h
@@ -154,3 +154,27 @@ typedef struct {
 
 GPIO_IDR_t * GPIO_IDR(GPIO_t gpio);
 
+#pragma mark - GPIO output data registers
+
+typedef struct {
+  unsigned int ODR0:1;
+  unsigned int ODR1:1;
+  unsigned int ODR2:1;
+  unsigned int ODR3:1;
+  unsigned int ODR4:1;
+  unsigned int ODR5:1;
+  unsigned int ODR6:1;
+  unsigned int ODR7:1;
+  unsigned int ODR8:1;
+  unsigned int ODR9:1;
+  unsigned int ODR10:1;
+  unsigned int ODR11:1;
+  unsigned int ODR12:1;
+  unsigned int ODR13:1;
+  unsigned int ODR14:1;
+  unsigned int ODR15:1;
+  unsigned int :16;
+} GPIO_ODR_t;
+
+GPIO_ODR_t * GPIO_ODR(GPIO_t gpio);
+