81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
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#pragma once
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#if (USE_DALLAS_18B20 == 1)
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static bool printId(const OneWireNg::Id& id) //prints addresses of connected DS18B20 sensors
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{
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const char *name = DSTherm::getFamilyName(id);
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Serial.print(id[0], HEX);
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for (size_t i = 1; i < sizeof(OneWireNg::Id); i++) {
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Serial.print(':');
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Serial.print(id[i], HEX);
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}
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if (name) {
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Serial.print(" -> ");
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Serial.print(name);
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}
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Serial.printf("\n");
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return (name != NULL);
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}
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void get_all_ds18b20_addresses() //this function shows all addresses of the connected DS18B20 sensors
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{
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Serial.printf("[%s]: ",__func__);
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DSTherm drv(_ow);
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Placeholder<DSTherm::Scratchpad> _scrpd;
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/* ...and read them one-by-one */
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for (const auto& id: (OneWireNg&)_ow)
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{
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if (DSTherm::getFamilyName(id))
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{
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if (drv.readScratchpad(id, &_scrpd) == OneWireNg::EC_SUCCESS)
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{
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printId(id);
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}
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else
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{
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Serial.printf("[%s]: Invalid CRC!\n",__func__);
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}
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}
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}
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}
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float get_ds18b20()
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{
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float temp_float = -33.33; // value for error
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//uncomment this function to shows all addresses of the connected DS18B20 sensors
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get_all_ds18b20_addresses();
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DSTherm drv(_ow);
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Placeholder<DSTherm::Scratchpad> _scrpd;
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DSTherm::Scratchpad& scrpd = _scrpd;
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drv.convertTempAll(DSTherm::SCAN_BUS, PARASITE_POWER);
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// put here the address of the sensor
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OneWireNg::Id id0 = {0x28,0xAD,0x16,0x75,0xD0,0x1,0x3C,0x1};
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if (drv.readScratchpad(id0, &_scrpd) == OneWireNg::EC_SUCCESS)
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{
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temp_float = (float) scrpd.getTemp()/1000;
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}
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// else
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// {
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// temp_float = (float) -33.33;
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// }
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#ifdef DEBUG
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Serial.printf("[%s]: Temperature=%0.2fC\n",__func__,temp_float);
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#endif
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return temp_float;
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}
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#endif
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