#define ao_gpio_set(port, bit, pin, v) stm_gpio_set(port, bit, v)
+#define ao_gpio_get(port, bit, pin) stm_gpio_get(port, bit)
+
#define ao_enable_output(port,bit,pin,v) do { \
ao_enable_port(port); \
ao_gpio_set(port, bit, pin, v); \
stm_moder_set(port, bit, STM_MODER_OUTPUT);\
} while (0)
+#define ao_enable_input(port,bit,mode) do { \
+ ao_enable_port(port); \
+ stm_moder_set(port, bit, STM_MODER_INPUT); \
+ if (mode == AO_EXTI_MODE_PULL_UP) \
+ stm_pupdr_set(port, bit, STM_PUPDR_PULL_UP); \
+ else if (mode == AO_EXTI_MODE_PULL_DOWN) \
+ stm_pupdr_set(port, bit, STM_PUPDR_PULL_DOWN); \
+ else \
+ stm_pupdr_set(port, bit, STM_PUPDR_NONE); \
+ } while (0)
+
#define ao_enable_cs(port,bit) do { \
stm_gpio_set((port), bit, 1); \
stm_moder_set((port), bit, STM_MODER_OUTPUT); \
void
ao_exti_setup(struct stm_gpio *gpio, uint8_t pin, uint8_t mode, void (*callback)());
+void
+ao_exti_set_mode(struct stm_gpio *gpio, uint8_t pin, uint8_t mode);
+
void
ao_exti_set_callback(struct stm_gpio *gpio, uint8_t pin, void (*callback)());
stm_nvic_set_enable(irq);
}
+void
+ao_exti_set_mode(struct stm_gpio *gpio, uint8_t pin, uint8_t mode) {
+ uint32_t mask = 1 << pin;
+
+ if (mode & AO_EXTI_MODE_RISING)
+ stm_exti.rtsr |= mask;
+ else
+ stm_exti.rtsr &= ~mask;
+ if (mode & AO_EXTI_MODE_FALLING)
+ stm_exti.ftsr |= mask;
+ else
+ stm_exti.ftsr &= ~mask;
+}
+
void
ao_exti_set_callback(struct stm_gpio *gpio, uint8_t pin, void (*callback)()) {
ao_exti_callback[pin] = callback;