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I2C device manager (#2282)

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* message on dev list change

* dc detect

* added sht3x sensor.

* separete environment data from light

* max17055 moved to i2c dev

* sht fix, goterror detection fix

* fix ext sensor app display for a lot of devices.

* added bh1750 driver

* autoscan on main view

* added devlist mutex

* better timing

* fix h2 sw8 on poweron by usb
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Totoo 2024-10-06 22:14:27 +02:00 • committed by GitHub
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firmware/common/i2cdev_sht3x.cpp Normal file
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/*
* Copyright (C) 2024 HTotoo.
*
* This file is part of PortaPack.
*
* 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 2, 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "i2cdev_sht3x.hpp"
namespace i2cdev {
bool I2cDev_SHT3x::init(uint8_t addr_) {
if (addr_ != I2CDEV_SHT3X_ADDR_1 && addr_ != I2CDEV_SHT3X_ADDR_2) return false;
addr = addr_; // store the addr
model = I2C_DEVMDL::I2CDEVMDL_SHT3X; // set the device model!!!!!!!!!!!!!!!!!!
query_interval = 5; // set update interval in sec
chThdSleepMilliseconds(50);
uint8_t tmp[2]; // command buffer
tmp[0] = 0x30;
tmp[1] = 0x66;
if (!i2c_write(nullptr, 0, tmp, 2)) return false; // heater off
chThdSleepMilliseconds(50);
tmp[0] = 0x22;
tmp[1] = 0x36;
if (!i2c_write(nullptr, 0, tmp, 2)) return false; // conti, 2mps
chThdSleepMilliseconds(50);
return true;
}
void I2cDev_SHT3x::update() {
float temp = 0;
float hum = 0;
uint8_t cmd[2];
cmd[0] = 0xe0;
cmd[1] = 0;
uint8_t res[6];
i2c_read(cmd, 2, res, 6);
uint16_t temptick = res[0] << 8 | res[1];
uint16_t humtick = res[3] << 8 | res[4];
temp = -45 + (((float)temptick * 175.0) / 65535.0);
hum = (100.0 * (float)humtick) / 65535.0;
EnvironmentDataMessage msg{temp, hum}; // create the system message
EventDispatcher::send_message(msg); // and send it
}
} // namespace i2cdev