Merge branch 'maint'

Conflicts:
	fpga-src
	host/CMakeLists.txt
	host/cmake/Modules/UHDVersion.cmake
	host/lib/usrp/b200/b200_impl.hpp
	host/lib/usrp/e300/e300_fpga_defs.hpp
	host/lib/usrp/x300/x300_fw_common.h

1 files changed, 40 insertions, 0 deletions

diff --git a/firmware/e300/battery/interrupt.h b/firmware/e300/battery/interrupt.h
new file mode 100644
index 000000000..32cd3f174
--- /dev/null
+++ b/firmware/e300/battery/interrupt.h
@@ -0,0 +1,40 @@
+/* USRP E310 Firmware Interrupt Management
+ * Copyright (C) 2014 Ettus Research
+ * This file is part of the USRP E310 Firmware
+ * The USRP E310 Firmware 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.
+ * The USRP E310 Firmware 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 the USRP E310 Firmware. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INTERRUPT_H
+#define INTERRUPT_H
+
+/**
+ * \brief Shared IRQ handlers return either of these values
+ *
+ * A shared IRQ handler will either 'claim' the IRQ and return IRQ_HANDLED,
+ * or indicate it is not sure whether it was the IRQ source and return IRQ_NONE.
+ */
+typedef enum {
+	IRQ_NONE,
+	IRQ_HANDLED
+} irqreturn_t;
+
+/**
+ * \brief (Shared) IRQ handlers should use this type signature
+ */
+typedef irqreturn_t (*irq_handler_t)(void);
+
+/**
+ * \brief Initialize the IRQ subsystem 
+ */
+void interrupt_init(void);
+
+#endif /* INTERRUPT_H */