+static inline void
+stm_gpio_set_mask(struct stm_gpio *gpio, uint16_t bits, uint16_t mask) {
+ /* Use the bit set/reset register to do this atomically */
+ gpio->bsrr = ((uint32_t) (~bits & mask) << 16) | ((uint32_t) (bits & mask));
+}
+
+static inline void
+stm_gpio_set_bits(struct stm_gpio *gpio, uint16_t bits) {
+ gpio->bsrr = bits;
+}
+
+static inline void
+stm_gpio_clr_bits(struct stm_gpio *gpio, uint16_t bits) {
+ gpio->bsrr = ((uint32_t) bits) << 16;
+}
+