-
Notifications
You must be signed in to change notification settings - Fork 448
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Added support for MAX44009 and BH1750 sensors
- Loading branch information
Showing
29 changed files
with
1,559 additions
and
13 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| .DS_Store |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| language: cpp | ||
| env: | ||
| global: | ||
| - ARDUINO_PACKAGE_VERSION=1.8.5 | ||
| - DISPLAY=:1.0 | ||
|
|
||
| before_install: | ||
| # arduino requires an X server even with command line | ||
| - /sbin/start-stop-daemon --start --quiet --pidfile /tmp/xvfb_$TRAVIS_JOB_NUMBER.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :1 -ac -screen 0 1280x1024x16 | ||
|
|
||
| install: | ||
| - wget -q -O- http://downloads.arduino.cc/arduino-$ARDUINO_PACKAGE_VERSION-linux64.tar.xz | tar -Jxf - | ||
| - sudo mv arduino-$ARDUINO_PACKAGE_VERSION /usr/local/share/arduino | ||
| - sudo ln -s /usr/local/share/arduino/arduino /usr/local/bin/arduino | ||
| # Add esp8266 board support | ||
| # - arduino --pref "boardsmanager.additional.urls=http://arduino.esp8266.com/stable/package_esp8266com_index.json" --save-prefs | ||
| # - arduino --install-boards esp8266:esp8266 | ||
| # link project directory into Arduino libraries area. | ||
| - ln -s $PWD /usr/local/share/arduino/libraries/BH1750 | ||
|
|
||
| script: | ||
| # uno | ||
| - arduino --verify --board arduino:avr:uno $PWD/examples/BH1750test/BH1750test.ino | ||
| - arduino --verify --board arduino:avr:uno $PWD/examples/BH1750advanced/BH1750advanced.ino | ||
| # esp8266 | ||
| # - arduino --verify --board esp8266:esp8266:generic $PWD/examples/BH1570test/BH1750test.ino | ||
| # - arduino --verify --board esp8266:esp8266:generic $PWD/examples/BH1570advanced/BH1750advanced.ino |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,207 @@ | ||
| /* | ||
| This is a library for the BH1750FVI Digital Light Sensor breakout board. | ||
| The BH1750 board uses I2C for communication. Two pins are required to | ||
| interface to the device. Configuring the I2C bus is expected to be done | ||
| in user code. The BH1750 library doesn't do this automatically. | ||
| Written by Christopher Laws, March, 2013. | ||
| Modified by Dan Ogorchock on 2018-07-04 for ST_Anything compatability | ||
| */ | ||
|
|
||
| #include "BH1750.h" | ||
|
|
||
| // Define milliseconds delay for ESP8266 platform | ||
| #if defined(ESP8266) | ||
|
|
||
| #include <pgmspace.h> | ||
| #define _delay_ms(ms) delayMicroseconds((ms) * 1000) | ||
|
|
||
| // Use _delay_ms from utils for AVR-based platforms | ||
| #elif defined(__avr__) | ||
| #include <util/delay.h> | ||
|
|
||
| // Use Wiring's delay for compability with another platforms | ||
| #else | ||
| #define _delay_ms(ms) delay(ms) | ||
| #endif | ||
|
|
||
|
|
||
| // Legacy Wire.write() function fix | ||
| #if (ARDUINO >= 100) | ||
| #define __wire_write(d) Wire.write(d) | ||
| #else | ||
| #define __wire_write(d) Wire.send(d) | ||
| #endif | ||
|
|
||
|
|
||
| // Legacy Wire.read() function fix | ||
| #if (ARDUINO >= 100) | ||
| #define __wire_read() Wire.read() | ||
| #else | ||
| #define __wire_read() Wire.receive() | ||
| #endif | ||
|
|
||
|
|
||
| /** | ||
| * Constructor | ||
| * @params addr Sensor address (0x23 or 0x5C, see datasheet) | ||
| * | ||
| * Default for BH1750 is 0x23 | ||
| */ | ||
| BH1750::BH1750(byte addr) { | ||
|
|
||
| BH1750_I2CADDR = addr; | ||
|
|
||
| } | ||
|
|
||
|
|
||
| /** | ||
| * Configure sensor | ||
| * @param mode Measurement mode | ||
| */ | ||
| bool BH1750::begin(Mode mode) { | ||
|
|
||
| // I2C is expected to be initialized outside this library | ||
| //DGO Revision for ST_Anything compatability - all other I2C sensor initialize I2C. | ||
| // This one was the exception, but I have modified it to be like the others. | ||
| Wire.begin(); | ||
| // Configure sensor in specified mode | ||
| return configure(mode); | ||
|
|
||
| } | ||
|
|
||
|
|
||
| /** | ||
| * Configure BH1750 with specified mode | ||
| * @param mode Measurement mode | ||
| */ | ||
| bool BH1750::configure(Mode mode) { | ||
|
|
||
| // default transmission result to a value out of normal range | ||
| byte ack = 5; | ||
|
|
||
| // Check measurement mode is valid | ||
| switch (mode) { | ||
|
|
||
| case BH1750::CONTINUOUS_HIGH_RES_MODE: | ||
| case BH1750::CONTINUOUS_HIGH_RES_MODE_2: | ||
| case BH1750::CONTINUOUS_LOW_RES_MODE: | ||
| case BH1750::ONE_TIME_HIGH_RES_MODE: | ||
| case BH1750::ONE_TIME_HIGH_RES_MODE_2: | ||
| case BH1750::ONE_TIME_LOW_RES_MODE: | ||
|
|
||
| // Send mode to sensor | ||
| Wire.beginTransmission(BH1750_I2CADDR); | ||
| __wire_write((uint8_t)BH1750_MODE); | ||
| ack = Wire.endTransmission(); | ||
|
|
||
| // Wait a few moments to wake up | ||
| _delay_ms(10); | ||
| break; | ||
|
|
||
| default: | ||
| // Invalid measurement mode | ||
| Serial.println(F("[BH1750] ERROR: Invalid mode")); | ||
| break; | ||
|
|
||
| } | ||
|
|
||
| // Check result code | ||
| switch (ack) { | ||
| case 0: | ||
| BH1750_MODE = mode; | ||
| return true; | ||
| case 1: // too long for transmit buffer | ||
| Serial.println(F("[BH1750] ERROR: too long for transmit buffer")); | ||
| case 2: // received NACK on transmit of address | ||
| Serial.println(F("[BH1750] ERROR: received NACK on transmit of address")); | ||
| case 3: // received NACK on transmit of data | ||
| Serial.println(F("[BH1750] ERROR: received NACK on transmit of data")); | ||
| case 4: // other error | ||
| Serial.println(F("[BH1750] ERROR: other error")); | ||
| default: | ||
| Serial.println(F("[BH1750] ERROR: undefined error")); | ||
| break; | ||
| } | ||
|
|
||
| return false; | ||
|
|
||
| } | ||
|
|
||
|
|
||
| /** | ||
| * Read light level from sensor | ||
| * @return Light level in lux (0 ~ 65535) | ||
| */ | ||
| uint16_t BH1750::readLightLevel(bool maxWait) { | ||
|
|
||
| if (BH1750_MODE == UNCONFIGURED) { | ||
| Serial.println(F("[BH1750] Device is not configured!")); | ||
| return 0; | ||
| } | ||
|
|
||
| // Measurement result will be stored here | ||
| uint16_t level=65535; | ||
|
|
||
| // Send mode to sensor | ||
| Wire.beginTransmission(BH1750_I2CADDR); | ||
| __wire_write((uint8_t)BH1750_MODE); | ||
| Wire.endTransmission(); | ||
|
|
||
| // Wait for measurement to be taken. | ||
| // Measurements have a maximum measurement time and a typical measurement | ||
| // time. The maxWait argument determines which measurement wait time is | ||
| // used when a one-time mode is being used. The typical (shorter) | ||
| // measurement time is used by default and if maxWait is set to True then | ||
| // the maximum measurement time will be used. See data sheet pages 2, 5 | ||
| // and 7 for more details. | ||
| // A continuous mode measurement can be read immediately after re-sending | ||
| // the mode command. | ||
|
|
||
| switch (BH1750_MODE) { | ||
|
|
||
| case BH1750::ONE_TIME_LOW_RES_MODE: | ||
| case BH1750::ONE_TIME_HIGH_RES_MODE: | ||
| case BH1750::ONE_TIME_HIGH_RES_MODE_2: | ||
|
|
||
| if (BH1750_MODE == BH1750::ONE_TIME_LOW_RES_MODE) { | ||
| maxWait ? _delay_ms(24) : _delay_ms(16); | ||
| } | ||
| else { | ||
| maxWait ? _delay_ms(180) :_delay_ms(120); | ||
| } | ||
| break; | ||
| default: break; | ||
| } | ||
|
|
||
| // Read two bytes from the sensor, which are low and high parts of the sensor | ||
| // value | ||
| Wire.requestFrom(BH1750_I2CADDR, 2); | ||
| if (Wire.available() == 2) { | ||
| level = __wire_read(); | ||
| level <<= 8; | ||
| level |= __wire_read(); | ||
| } | ||
|
|
||
| // Print raw value if debug enabled | ||
| #ifdef BH1750_DEBUG | ||
| Serial.print(F("[BH1750] Raw value: ")); | ||
| Serial.println(level); | ||
| #endif | ||
|
|
||
| // Convert raw value to lux | ||
| level /= 1.2; | ||
|
|
||
| // Print converted value if debug enabled | ||
| #ifdef BH1750_DEBUG | ||
| Serial.print(F("[BH1750] Converted value: ")); | ||
| Serial.println(level); | ||
| #endif | ||
|
|
||
| return level; | ||
|
|
||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| /* | ||
| This is a library for the BH1750FVI Digital Light Sensor | ||
| breakout board. | ||
| The BH1750 board uses I2C for communication. Two pins are required to | ||
| interface to the device. Configuring the I2C bus is expected to be done | ||
| in user code. The BH1750 library doesn't do this automatically. | ||
| Datasheet: http://rohmfs.rohm.com/en/products/databook/datasheet/ic/sensor/light/bh1750fvi-e.pdf | ||
| Written by Christopher Laws, March, 2013. | ||
| Modified by Dan Ogorchock on 2018-07-04 for ST_Anything compatability | ||
| */ | ||
|
|
||
| #ifndef BH1750_h | ||
| #define BH1750_h | ||
|
|
||
| #if (ARDUINO >= 100) | ||
| #include <Arduino.h> | ||
| #else | ||
| #include <WProgram.h> | ||
| #endif | ||
|
|
||
| #include "Wire.h" | ||
|
|
||
| // Uncomment, to enable debug messages | ||
| // #define BH1750_DEBUG | ||
|
|
||
| // No active state | ||
| #define BH1750_POWER_DOWN 0x00 | ||
|
|
||
| // Wating for measurement command | ||
| #define BH1750_POWER_ON 0x01 | ||
|
|
||
| // Reset data register value - not accepted in POWER_DOWN mode | ||
| #define BH1750_RESET 0x07 | ||
|
|
||
| //I2C Addresses | ||
| #define BH1750_ADDR_LOW 0x23 | ||
| #define BH1750_ADDR_HIGH 0x5C | ||
|
|
||
| class BH1750 { | ||
|
|
||
| public: | ||
|
|
||
| enum Mode | ||
| { | ||
| UNCONFIGURED = 0, | ||
| // Measurement at 1lx resolution. Measurement time is approx 120ms. | ||
| CONTINUOUS_HIGH_RES_MODE = 0x10, | ||
| // Measurement at 0.5lx resolution. Measurement time is approx 120ms. | ||
| CONTINUOUS_HIGH_RES_MODE_2 = 0x11, | ||
| // Measurement at 4lx resolution. Measurement time is approx 16ms. | ||
| CONTINUOUS_LOW_RES_MODE = 0x13, | ||
| // Measurement at 1lx resolution. Measurement time is approx 120ms. | ||
| ONE_TIME_HIGH_RES_MODE = 0x20, | ||
| // Measurement at 0.5lx resolution. Measurement time is approx 120ms. | ||
| ONE_TIME_HIGH_RES_MODE_2 = 0x21, | ||
| // Measurement at 1lx resolution. Measurement time is approx 120ms. | ||
| ONE_TIME_LOW_RES_MODE = 0x23 | ||
| }; | ||
|
|
||
| BH1750(byte addr = BH1750_ADDR_LOW); | ||
| bool begin(Mode mode = CONTINUOUS_HIGH_RES_MODE); | ||
| bool configure(Mode mode); | ||
| uint16_t readLightLevel(bool maxWait = false); | ||
|
|
||
| private: | ||
| int BH1750_I2CADDR; | ||
| Mode BH1750_MODE = UNCONFIGURED; | ||
|
|
||
| }; | ||
|
|
||
| #endif |
Oops, something went wrong.