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authorJosh Blum <josh@joshknows.com>2011-01-19 22:23:46 -0800
committerJosh Blum <josh@joshknows.com>2011-01-19 22:23:46 -0800
commit9239878b0b81c3a368bf11cfc2fe48bfb05ff902 (patch)
treef41a5e58eac89b35cb99537a0a0b64662384a9f2 /firmware/zpu/lib/i2c.h
parentfc138381ee4bd8d191795230b7447071a85e1f28 (diff)
parent7d918c5f6acc9a5d2c8ae03e2e67b403f7efd5ff (diff)
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Merge branch 'next'
Conflicts: host/lib/usrp/usrp2/codec_impl.cpp
Diffstat (limited to 'firmware/zpu/lib/i2c.h')
-rw-r--r--firmware/zpu/lib/i2c.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/firmware/zpu/lib/i2c.h b/firmware/zpu/lib/i2c.h
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+++ b/firmware/zpu/lib/i2c.h
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+/* -*- c -*- */
+/*
+ * Copyright 2007 Free Software Foundation, Inc.
+ *
+ * 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDED_I2C_H
+#define INCLUDED_I2C_H
+
+#include <stdbool.h>
+#include "stdint.h"
+
+void i2c_init(void);
+bool i2c_read (unsigned char i2c_addr, unsigned char *buf, unsigned int len);
+bool i2c_write(unsigned char i2c_addr, const unsigned char *buf, unsigned int len);
+
+bool eeprom_write (int i2c_addr, int eeprom_offset, const void *buf, int len);
+
+// Read 24LC024 / 24LC025 EEPROM on motherboard or daughterboard.
+// Which EEPROM is determined by i2c_addr. See i2c_addr.h
+
+bool eeprom_read (int i2c_addr, int eeprom_offset, void *buf, int len);
+
+bool find_safe_booted_flag(void);
+void set_safe_booted_flag(bool flag);
+
+#endif /* INCLUDED_I2C_H */