diff --git a/stmhal/mphalport.h b/stmhal/mphalport.h
index b155d9616e..7045f30c48 100644
--- a/stmhal/mphalport.h
+++ b/stmhal/mphalport.h
@@ -45,7 +45,10 @@ void mp_hal_set_interrupt_char(int c); // -1 to disable
 #include "stmhal/pin.h"
 #define mp_hal_pin_obj_t pin_obj_t*
 #define mp_hal_get_pin_obj(o) (pin_obj_t*)pin_find(o)
+#define mp_hal_pin_input(p) mp_hal_gpio_config((p)->gpio, (p)->pin, 0, 0, 0)
+#define mp_hal_pin_output(p) mp_hal_gpio_config((p)->gpio, (p)->pin, 1, 0, 0)
 #define mp_hal_pin_open_drain(p) mp_hal_gpio_config((p)->gpio, (p)->pin, 5, 0, 0)
 #define mp_hal_pin_od_low(p) GPIO_clear_pin((p)->gpio, (p)->pin_mask)
 #define mp_hal_pin_od_high(p) GPIO_set_pin((p)->gpio, (p)->pin_mask)
 #define mp_hal_pin_read(p) GPIO_read_pin((p)->gpio, (p)->pin)
+#define mp_hal_pin_write(p, v) do { if (v) { GPIO_set_pin((p)->gpio, (p)->pin); } else { GPIO_clear_pin((p)->gpio, (p)->pin); } } while (0)