Added bias-T status icon

Merged radio settings in one screen

firmware/application/hw/rffc507x_spi.hpp

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * This file is part of PortaPack.
+ *
+ * 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, 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; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __RFFC507X_SPI_H__
+#define __RFFC507X_SPI_H__
+
+#include <cstdint>
+#include <cstddef>
+
+namespace rffc507x {
+namespace spi {
+
+using reg_t = uint16_t;
+using address_t = uint8_t;
+using bit_t = uint_fast8_t;
+using data_t = uint32_t;
+
+class SPI {
+public:
+	enum class Direction {
+		Write = 0,
+		Read = 1,
+	};
+
+	void init();
+
+	reg_t read(const address_t address) {
+		return transfer_word(Direction::Read, address, 0);
+	}
+
+	void write(const address_t address, const reg_t value) {
+		transfer_word(Direction::Write, address, value);
+	}
+
+private:
+	void select(const bool active);
+
+	void direction_out();
+	void direction_in();
+
+	void write_bit(const bit_t value);
+	bit_t read_bit();
+
+	bit_t transfer_bit(const bit_t bit_out);
+	data_t transfer_bits(const data_t data_out, const size_t count);
+	data_t transfer_word(const Direction direction, const address_t address, const data_t data_out);
+};
+
+} /* spi */
+} /* rffc507x */
+
+#endif/*__RFFC507X_SPI_H__*/