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authorDaniel Friesel <derf@finalrewind.org>2021-02-08 20:09:54 +0100
committerDaniel Friesel <derf@finalrewind.org>2021-02-08 20:09:54 +0100
commit87c9f081f972443fdbb4bae724f2a1978dc70139 (patch)
tree966897f7ce11267f58c6a2280588f00eabfdaf66 /src/app/bme680-max44009-logger/main.cc
parent998419816c815175cd4c4f226e619c578d42e0aa (diff)
add arduino-nano bme680-max44009-datalogger
Diffstat (limited to 'src/app/bme680-max44009-logger/main.cc')
-rw-r--r--src/app/bme680-max44009-logger/main.cc104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/app/bme680-max44009-logger/main.cc b/src/app/bme680-max44009-logger/main.cc
new file mode 100644
index 0000000..a8d4c2e
--- /dev/null
+++ b/src/app/bme680-max44009-logger/main.cc
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2021 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#include "arch.h"
+#include "driver/gpio.h"
+#include "driver/stdout.h"
+#if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(DRIVER_SOFTI2C)
+#include "driver/i2c.h"
+#else
+#include "driver/soft_i2c.h"
+#endif
+#include "driver/bme680.h"
+#include "driver/bme680_util.h"
+#include "driver/max44009.h"
+
+struct bme680_field_data data;
+
+void loop(void)
+{
+ static unsigned char i = 0;
+
+ if ((i == 1) && (ADCSRA & _BV(ADIF))) {
+ uint8_t adcr_l = ADCL;
+ uint8_t adcr_h = ADCH;
+ uint16_t adcr = adcr_l + (adcr_h << 8);
+ uint16_t vcc = 1100L * 1023 / adcr;
+
+ TIFR1 |= _BV(TOV1);
+ ADCSRA |= _BV(ADIF);
+
+ kout << "VCC: " << vcc << endl;
+ }
+
+ if (i == 0) {
+ bme680.setSensorMode();
+ }
+ else if (i == 1) {
+ if (bme680.getSensorData(&data) == 0) {
+ kout << "BME680 temperature: " << (float)data.temperature / 100 << " degC" << endl;
+ kout << "BME680 humidity: " << (float)data.humidity / 1000 << " %" << endl;
+ kout << "BME680 pressure: " << (float)data.pressure / 100 << " hPa" << endl;
+ kout << "BME680 gas resistance: " << data.gas_resistance << endl;
+ }
+ kout << "MAX44009: ";
+ kout.printf_float(max44009.getLux());
+ kout << " lx" << endl;
+ }
+
+ i = (i + 1) % 20;
+}
+
+int main(void)
+{
+ unsigned short i = 0;
+
+ arch.setup();
+ gpio.setup();
+ kout.setup();
+
+ // One ADC conversion per four seconds
+ TCCR0A = 0;
+ TCCR0B = _BV(CS12) | _BV(CS10);
+
+ // Measure internal 1.1V bandgap using VCC as reference on each Timer 0 overflow
+ ADMUX = _BV(REFS0) | 0x0e;
+ ADCSRB = _BV(ADTS2);
+ ADCSRA = _BV(ADEN) | _BV(ADATE) | _BV(ADPS2) | _BV(ADPS1);
+
+ if (i2c.setup() != 0) {
+ kout << "I2C setup failed" << endl;
+ return 1;
+ }
+
+ kout << "I2C setup OK" << endl;
+
+ bme680.intf = BME680_I2C_INTF;
+ bme680.read = bme680_i2c_read;
+ bme680.write = bme680_i2c_write;
+ bme680.delay_ms = bme680_delay_ms;
+
+ bme680.amb_temp = 25;
+
+ int8_t rslt = BME680_OK;
+ rslt = bme680.init();
+ kout << "BME680 init " << rslt << endl;
+
+ bme680.power_mode = BME680_FORCED_MODE;
+ bme680.tph_sett.os_hum = BME680_OS_2X;
+ bme680.tph_sett.os_pres = BME680_OS_16X;
+ bme680.tph_sett.os_temp = BME680_OS_2X;
+
+ bme680.gas_sett.run_gas = BME680_ENABLE_GAS_MEAS;
+ bme680.gas_sett.heatr_dur = 100;
+ bme680.gas_sett.heatr_temp = 300;
+ bme680.setSensorSettings(BME680_OST_SEL | BME680_OSP_SEL | BME680_OSH_SEL | BME680_GAS_SENSOR_SEL);
+
+ arch.delay_ms(200);
+
+ arch.idle_loop();
+
+ return 0;
+}