Initial firmware commit.

firmware/common/i2c_pp.cpp

@@ -0,0 +1,65 @@
+/*
+ * 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.
+ */
+
+#include "i2c_pp.hpp"
+
+void I2C::start(const I2CConfig& config) {
+	i2cStart(_driver, &config);
+}
+
+void I2C::stop() {
+	i2cStop(_driver);
+}
+
+bool I2C::transfer(
+	const address_t slave_address,
+	const uint8_t* const data_tx, const size_t count_tx,
+	uint8_t* const data_rx, const size_t count_rx,
+	systime_t timeout
+) {
+	i2cAcquireBus(_driver);
+	const msg_t status = i2cMasterTransmitTimeout(
+		_driver, slave_address, data_tx, count_tx, data_rx, count_rx, timeout
+	);
+	i2cReleaseBus(_driver);
+	return (status == RDY_OK);
+}
+
+bool I2C::receive(
+	const address_t slave_address,
+	uint8_t* const data, const size_t count,
+	systime_t timeout
+) {
+	i2cAcquireBus(_driver);
+	const msg_t status = i2cMasterReceiveTimeout(
+		_driver, slave_address, data, count, timeout
+	);
+	i2cReleaseBus(_driver);
+	return (status == RDY_OK);
+}
+
+bool I2C::transmit(
+	const address_t slave_address,
+	const uint8_t* const data, const size_t count,
+	systime_t timeout
+) {
+	return transfer(slave_address, data, count, NULL, 0, timeout);
+}