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Diffstat (limited to 'firmware/zpu/lib/i2c.h')
-rw-r--r-- | firmware/zpu/lib/i2c.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/firmware/zpu/lib/i2c.h b/firmware/zpu/lib/i2c.h new file mode 100644 index 000000000..1af4d72df --- /dev/null +++ b/firmware/zpu/lib/i2c.h @@ -0,0 +1,39 @@ +/* -*- 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 */ |