1 files changed, 64 insertions, 0 deletions
diff --git a/libopencm3/lib/ethernet/phy.c b/libopencm3/lib/ethernet/phy.c
new file mode 100644
index 0000000..4866198
--- /dev/null
+++ b/libopencm3/lib/ethernet/phy.c
@@ -0,0 +1,64 @@
+/** @defgroup ethernet_phy_file PHY Generic Drivers
+ *
+ * @ingroup ETH
+ *
+ * @brief <b>Ethernet PHY Generic Drivers</b>
+ *
+ * @version 1.0.0
+ * @author @htmlonly &copy; @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
+ *
+ * @date 1 September 2013
+ *
+ *
+ * LGPL License Terms @ref lgpl_license
+ */
+
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/ethernet/mac.h>
+#include <libopencm3/ethernet/phy.h>
+
+/**@{*/
+
+/*---------------------------------------------------------------------------*/
+/** @brief Is the link up ?
+ *
+ * @returns bool true, if link is up
+ */
+bool phy_link_isup(void)
+{
+	return eth_smi_read(1, PHY_REG_BSR) & PHY_REG_BSR_UP;
+}
+
+/*---------------------------------------------------------------------------*/
+/** @brief Reset the PHY
+ *
+ * Reset the PHY chip and wait for done
+ */
+void phy_reset(void)
+{
+	eth_smi_write(1, PHY_REG_BCR, PHY_REG_BCR_RESET);
+
+	while (eth_smi_read(1, PHY_REG_BCR) & PHY_REG_BCR_RESET);
+}
+
+/*---------------------------------------------------------------------------*/
+
+/**@}*/