From 0fc55cdaf96a9c0481e59f69bdb22a4590fabb70 Mon Sep 17 00:00:00 2001
From: Robert Hartung <hartung@ibr.cs.tu-bs.de>
Date: Thu, 1 Aug 2019 09:23:43 +0200
Subject: [PATCH] cpu/atmega1281: pin change interrupts

---
 cpu/atmega1281/Makefile.features      |  4 +++-
 cpu/atmega1281/Makefile.include       |  5 +++++
 cpu/atmega1281/include/atmega_pcint.h | 16 ++++++++++++++++
 3 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 cpu/atmega1281/include/atmega_pcint.h

diff --git a/cpu/atmega1281/Makefile.features b/cpu/atmega1281/Makefile.features
index 008260685b..39270920c7 100644
--- a/cpu/atmega1281/Makefile.features
+++ b/cpu/atmega1281/Makefile.features
@@ -1 +1,3 @@
--include $(RIOTCPU)/atmega_common/Makefile.features
+FEATURES_PROVIDED += atmega_pcint1 atmega_pcint2
+
+include $(RIOTCPU)/atmega_common/Makefile.features
diff --git a/cpu/atmega1281/Makefile.include b/cpu/atmega1281/Makefile.include
index 66add33aaa..3c826aa587 100644
--- a/cpu/atmega1281/Makefile.include
+++ b/cpu/atmega1281/Makefile.include
@@ -4,5 +4,10 @@ USEMODULE += atmega_common
 RAM_LEN = 8K
 ROM_LEN = 128K
 
+# expand atmega_pcint for additional PCINTs of atmega1281
+ifneq (,$(filter atmega_pcint,$(USEMODULE)))
+  USEMODULE += atmega_pcint1 atmega_pcint2
+endif
+
 # CPU depends on the atmega common module, so include it
 include $(RIOTCPU)/atmega_common/Makefile.include
diff --git a/cpu/atmega1281/include/atmega_pcint.h b/cpu/atmega1281/include/atmega_pcint.h
new file mode 100644
index 0000000000..c0f6d6d28c
--- /dev/null
+++ b/cpu/atmega1281/include/atmega_pcint.h
@@ -0,0 +1,16 @@
+#ifndef ATMEGA_PCINT_H
+#define ATMEGA_PCINT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ATMEGA_PCINT_MAP_PCINT0 GPIO_PIN(PORT_B, 0), GPIO_PIN(PORT_B, 1), GPIO_PIN(PORT_B, 2), GPIO_PIN(PORT_B, 3), GPIO_PIN(PORT_B, 4), GPIO_PIN(PORT_B, 5), GPIO_PIN(PORT_B, 6), GPIO_PIN(PORT_B, 7)
+#define ATMEGA_PCINT_MAP_PCINT1 GPIO_PIN(PORT_E, 0), GPIO_PIN(PORT_J, 0), GPIO_PIN(PORT_J, 1), GPIO_PIN(PORT_J, 2), GPIO_PIN(PORT_J, 3), GPIO_PIN(PORT_J, 4), GPIO_PIN(PORT_J, 5), GPIO_PIN(PORT_J, 6)
+#define ATMEGA_PCINT_MAP_PCINT2 GPIO_PIN(PORT_K, 0), GPIO_PIN(PORT_K, 1), GPIO_PIN(PORT_K, 2), GPIO_PIN(PORT_K, 3), GPIO_PIN(PORT_K, 4), GPIO_PIN(PORT_K, 5), GPIO_PIN(PORT_K, 6), GPIO_PIN(PORT_K, 7)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ATMEGA_PCINT_H */