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40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/*
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* geany_encoding=koi8-r
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* i2c.h
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*
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* Copyright 2017 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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// timeout in ms
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#define I2C_TIMEOUT (15)
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// CSB=1, address 1110110
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#define TSYS01_ADDR0 (0x76 << 1)
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// CSB=0, address 1110111
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#define TSYS01_ADDR1 (0x77 << 1)
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// registers: reset, read ADC value, start converstion, sart of PROM
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#define TSYS01_RESET (0x1E)
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#define TSYS01_ADC_READ (0x00)
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#define TSYS01_START_CONV (0x48)
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#define TSYS01_PROM_ADDR0 (0xA0)
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// conversion time = 10ms
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#define CONV_TIME (10)
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uint8_t read_i2c(uint8_t addr, uint32_t *data, uint8_t nbytes);
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uint8_t write_i2c(uint8_t addr, uint8_t data);
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