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55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
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* This file is part of the BMP180 project.
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* Copyright 2021 Edward V. Emelianov <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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef BMP180_H__
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#define BMP180_H__
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#include <stm32f1.h>
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#define BMP180_CHIP_ID 0x55
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typedef enum{
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BMP180_NOTINIT, // wasn't inited
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BMP180_BUSYT, // T measurement in progress
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BMP180_BUSYP, // P measurement in progress
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BMP180_ERR, // error in I2C
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BMP180_RELAX, // relaxed state
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BMP180_RDY, // data ready - can get it
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} BMP180_status;
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typedef enum{
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BMP180_OVERS_1 = 0, // oversampling is off
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BMP180_OVERS_2 = 1,
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BMP180_OVERS_4 = 2,
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BMP180_OVERS_8 = 3,
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BMP180_OVERSMAX = 4
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} BMP180_oversampling;
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int BMP180_reset();
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int BMP180_init();
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void BMP180_read_ID(uint8_t *devid);
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void BMP180_setOS(BMP180_oversampling os);
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BMP180_status BMP180_get_status();
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int BMP180_start(/*uint32_t curr_milliseconds*/);
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void BMP180_process(/*uint32_t curr_milliseconds*/);
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void BMP180_getdata(int32_t *T, uint32_t *P);
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#endif // BMP180_H__
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