Merge branch 'branch-1.9' into debian

1 files changed, 50 insertions, 0 deletions

diff --git a/src/stm32f4/ao_exti.h b/src/stm32f4/ao_exti.h
new file mode 100644
index 00000000..0216f352
--- /dev/null
+++ b/src/stm32f4/ao_exti.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright © 2018 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_EXTI_H_
+#define _AO_EXTI_H_
+
+#define AO_EXTI_MODE_RISING	1
+#define AO_EXTI_MODE_FALLING	2
+#define AO_EXTI_MODE_PULL_NONE	AO_GPIO_MODE_PULL_NONE
+#define AO_EXTI_MODE_PULL_UP	AO_GPIO_MODE_PULL_UP
+#define AO_EXTI_MODE_PULL_DOWN	AO_GPIO_MODE_PULL_DOWN
+#define AO_EXTI_PRIORITY_LOW	16
+#define AO_EXTI_PRIORITY_MED	0
+#define AO_EXTI_PRIORITY_HIGH	32
+#define AO_EXTI_PIN_NOCONFIGURE	64
+
+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)());
+
+void
+ao_exti_enable(struct stm_gpio *gpio, uint8_t pin);
+
+void
+ao_exti_disable(struct stm_gpio *gpio, uint8_t pin);
+
+void
+ao_exti_init(void);
+
+#endif /* _AO_EXTI_H_ */