Tasmota/lib/lib_i2c/Joba_Tsl2561-2.0.10/examples/Autogain/Autogain.ino

76 lines
2.6 KiB
C++

/*
Autogain tests for Tsl2561Util namespace.
Copyright: Joachim Banzhaf, 2018
This file is part of the Joba_Tsl2561 Library.
Joba_Tsl2561 is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Joba_Tsl2561 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 Joba_Tsl2561. If not, see <http://www.gnu.org/licenses/>.
*/
#include <Tsl2561Util.h>
// to mimic Serial.printf() of esp cores for other platforms
char *format( const char *fmt, ... ) {
static char buf[128];
va_list arg;
va_start(arg, fmt);
vsnprintf(buf, sizeof(buf), fmt, arg);
buf[sizeof(buf)-1] = '\0';
va_end(arg);
return buf;
}
Tsl2561 Tsl(Wire);
uint8_t id;
void setup() {
Serial.begin(115200);
Wire.begin(TSL2561_SDA, TSL2561_SCL);
while( !Tsl.begin() )
; // wait until chip detected or wdt reset
Serial.println("\nStarting Tsl2561Util autogain loop");
Tsl.on();
Tsl.id(id);
}
void loop() {
uint16_t scaledFull = 0xffff, scaledIr = 0xffff;
uint32_t full = 0xffffffff, ir = 0xffffffff, milliLux = 0xffffffff;
bool gain = false;
Tsl2561::exposure_t exposure = Tsl2561::EXP_OFF;
if( Tsl2561Util::autoGain(Tsl, gain, exposure, scaledFull, scaledIr) ) {
if( Tsl2561Util::normalizedLuminosity(gain, exposure, full = scaledFull, ir = scaledIr) ) {
if( Tsl2561Util::milliLux(full, ir, milliLux, Tsl2561::packageCS(id), 5) ) {
Serial.print(format("Tsl2561 addr: 0x%02x, id: 0x%02x, sfull: %5u, sir: %5u, full: %7lu, ir: %7lu, gain: %d, exp: %d, lux: %5lu.%03lu\n",
Tsl.address(), id, scaledFull, scaledIr, (unsigned long)full, (unsigned long)ir, gain, exposure, (unsigned long)milliLux/1000, (unsigned long)milliLux%1000));
}
else {
Serial.print(format("Tsl2561Util::milliLux(full=%lu, ir=%lu) error\n", (unsigned long)full, (unsigned long)ir));
}
}
else {
Serial.print(format("Tsl2561Util::normalizedLuminosity(gain=%u, exposure=%u, sfull=%u, sir=%u, full=%lu, ir=%lu) error\n",
gain, exposure, scaledFull, scaledIr, (unsigned long)full, (unsigned long)ir));
}
}
else {
Serial.print(format("Tsl2561Util::autoGain(gain=%u, exposure=%u, sfull=%u, sir=%u) error\n",
gain, exposure, scaledFull, scaledIr));
}
delay(1000);
}