System call abstract and implementations for interrupts.

sdk/librishka/int.h

@@ -0,0 +1,38 @@
+/* 
+ * This file is part of the Rishka distribution (https://github.com/rishka-esp32/rishka-sdk).
+ * Copyright (c) 2024 Nathanne Isip.
+ * 
+ * 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, version 3.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBRISHKA_INT_H
+#define LIBRISHKA_INT_H
+
+#include <librishka/types.h>
+
+typedef enum {
+    INT_CHANGE = 0x1,
+    INT_FAILING = 0x2,
+    INT_RISING = 0x3
+} int_mode_t;
+
+class Int {
+public:
+    static void enable();
+    static void disable();
+
+    static void attach(u8 pin, void (*callback)(void), int_mode_t mode);
+    static void detach(u8 pin);
+};
+
+#endif

sdk/librishka_impl.cpp

@@ -55,7 +55,6 @@ enum rishka_syscall {
     RISHKA_SC_INT_DISABLE,
     RISHKA_SC_INT_ATTACH,
     RISHKA_SC_INT_DETACH,
-    RISHKA_SC_INT_DIGITAL_PIN,
 
     RISHKA_SC_FS_MKDIR,
     RISHKA_SC_FS_RMDIR,
@@ -303,3 +302,19 @@ void Gpio::tone(u8 pin, u32 frequency, u64 duration) {
 void Gpio::no_tone(u8 pin) {
     rishka_sc_1(RISHKA_SC_GPIO_NO_TONE, (i64) pin);
 }
+
+void Int::enable() {
+    rishka_sc_0(RISHKA_SC_INT_ENABLE);
+}
+
+void Int::disable() {
+    rishka_sc_0(RISHKA_SC_INT_DISABLE);
+}
+
+void Int::attach(u8 pin, void (*callback)(void), int_mode_t mode) {
+    rishka_sc_3(RISHKA_SC_INT_ATTACH, (i64) pin, (i64) callback, (i64) mode);
+}
+
+void Int::detach(u8 pin) {
+    rishka_sc_1(RISHKA_SC_INT_DETACH, (i64) pin);
+}