1 files changed, 55 insertions, 0 deletions
diff --git a/include/ioport.h b/include/ioport.h
new file mode 100644
index 0000000..1022493
--- /dev/null
+++ b/include/ioport.h
@@ -0,0 +1,55 @@
+#include <stdlib.h>
+#include <avr/io.h>
+#include <avr/interrupt.h>
+
+#include "mcu/mcu_def.h"
+
+#ifndef _IOE_IOPORT_H_
+#define _IOE_IOPORT_H_
+#ifdef CONFIG_IOPORTS
+
+enum ioInResistor {
+    IO_PULLUP,
+    IO_PULLDOWN
+};
+
+static inline void io_setout(uint8_t group, uint8_t mask) {
+    IO_DDR(group) |= mask;
+}
+static inline void io_hight(uint8_t group, uint8_t mask) {
+    IO_PORT(group) |= mask;
+}
+static inline void io_low(uint8_t group, uint8_t mask) {
+    IO_PORT(group) &= ~mask;
+}
+static inline void io_set(uint8_t group, uint8_t mask, int8_t val) {
+    if (val)
+        io_hight(group, mask);
+    else
+        io_low(group, mask);
+}
+
+static inline void io_setin(uint8_t group, uint8_t mask,
+                            enum ioInResistor resistor) {
+    IO_DDR(group) &= ~mask;
+    if (resistor == IO_PULLUP)
+        IO_PORT(group) |= mask;
+    else
+        IO_PORT(group) &= ~mask;
+}
+static inline int8_t io_get(uint8_t group, uint8_t mask) {
+    return (int8_t) IO_PIN(group) & mask;
+}
+
+#ifdef CONFIG_PCINT
+
+#define IO_RISING (1 << 0)
+#define IO_FALLING (1 << 1)
+void io_change_sethook(uint8_t group, uint8_t mask, uint8_t edge,
+                         void (*change) (uint8_t group, uint8_t mask));
+void io_change_remhook(void (*change) (uint8_t group, uint8_t mask));
+void io_change_clearhooks(void);
+
+#endif /* CONFIG_PCINT */
+#endif /* CONFIG_IOPORTS */
+#endif /* _IOE_IOPORT_H_ */