SEAN O CONNELL / Mbed 2 deprecated mDot_LoRa_Sensornode

lora sensnode

Dependencies:   libmDot mbed-rtos mbed

Fork of mDot_LoRa_Sensornode by Adrian Mitevski

app/MAX44009.cpp@1:e67174cc4953, 2016-08-10 (annotated)

Committer:
socie123
Date:
Wed Aug 10 12:54:10 2016 +0000
Revision:
1:e67174cc4953
Parent:
0:f2815503561f 
lora sensnode

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mitea1 0:f2815503561f 1 /*
mitea1 0:f2815503561f 2 * MAX44009.cpp
mitea1 0:f2815503561f 3 *
mitea1 0:f2815503561f 4 * Created on: 18.05.2016
mitea1 0:f2815503561f 5 * Author: Adrian
mitea1 0:f2815503561f 6 */
mitea1 0:f2815503561f 7
mitea1 0:f2815503561f 8 #include "MAX44009.h"
mitea1 0:f2815503561f 9
mitea1 0:f2815503561f 10 MAX44009::MAX44009(I2C_RT* i2c) {
mitea1 0:f2815503561f 11 // TODO Auto-generated constructor stub
mitea1 0:f2815503561f 12 setI2CRT(i2c);
mitea1 0:f2815503561f 13 this->config = new MAX44009Config();
mitea1 0:f2815503561f 14 }
mitea1 0:f2815503561f 15
mitea1 0:f2815503561f 16 MAX44009::~MAX44009() {
mitea1 0:f2815503561f 17 // TODO Auto-generated destructor stub
mitea1 0:f2815503561f 18 }
mitea1 0:f2815503561f 19
mitea1 0:f2815503561f 20 void MAX44009::init(MAX44009_MODE desiredMode){
mitea1 0:f2815503561f 21 config->build(desiredMode);
mitea1 0:f2815503561f 22 setIntegrationTime();
mitea1 0:f2815503561f 23 setContinousMode();
mitea1 0:f2815503561f 24 configureInterrupts();
mitea1 0:f2815503561f 25 setUpperThreshold();
mitea1 0:f2815503561f 26 setLowerThreshold();
mitea1 0:f2815503561f 27 }
mitea1 0:f2815503561f 28
mitea1 0:f2815503561f 29 float MAX44009::getLux(){
mitea1 0:f2815503561f 30 uint8_t registerData[2];
mitea1 0:f2815503561f 31
mitea1 0:f2815503561f 32 i2c->read_RT(MAX44009_ADRESS,MAX44009_LUX_H_L_BYTE,true,registerData,2);
mitea1 0:f2815503561f 33
mitea1 0:f2815503561f 34 uint8_t exponent = (registerData[0] >> 4) & 0xF;
mitea1 0:f2815503561f 35 uint8_t mantissa = registerData[0] & 0xF;
mitea1 0:f2815503561f 36
mitea1 0:f2815503561f 37 return calculateLux(mantissa,exponent);
mitea1 0:f2815503561f 38
mitea1 0:f2815503561f 39
mitea1 0:f2815503561f 40 }
mitea1 0:f2815503561f 41
mitea1 0:f2815503561f 42 float MAX44009::calculateLux(uint8_t mantissa, uint8_t exponent){
mitea1 0:f2815503561f 43 return pow(2.0,exponent) * mantissa * 0.72;
mitea1 0:f2815503561f 44 }
mitea1 0:f2815503561f 45
mitea1 0:f2815503561f 46 void MAX44009::setIntegrationTime(){
mitea1 0:f2815503561f 47 uint8_t registerValue = config->getIntegrationTime();
mitea1 0:f2815503561f 48 i2c->write_RT(MAX44009_ADRESS,MAX44009_CONFIG,false,&registerValue,1);
mitea1 0:f2815503561f 49 }
mitea1 0:f2815503561f 50
mitea1 0:f2815503561f 51 void MAX44009::setContinousMode(){
mitea1 0:f2815503561f 52 uint8_t registerValue = (config->getContinousMode()) << 7;
mitea1 0:f2815503561f 53 i2c->write_RT(MAX44009_ADRESS,MAX44009_CONFIG,false,&registerValue,1);
mitea1 0:f2815503561f 54 }
mitea1 0:f2815503561f 55
mitea1 0:f2815503561f 56 void MAX44009::setManualConfig(){
mitea1 0:f2815503561f 57 uint8_t registerValue = (config->getManualConfig()) << 6;
mitea1 0:f2815503561f 58 i2c->write_RT(MAX44009_ADRESS,MAX44009_CONFIG,false,&registerValue,1);
mitea1 0:f2815503561f 59 }
mitea1 0:f2815503561f 60
mitea1 0:f2815503561f 61 void MAX44009::configureInterrupts(){
mitea1 0:f2815503561f 62 uint8_t registerValue = config->getInterruptEnable();
mitea1 0:f2815503561f 63 i2c->write_RT(MAX44009_ADRESS,MAX44009_INT_ENABLE,false,&registerValue,1);
mitea1 0:f2815503561f 64 }
mitea1 0:f2815503561f 65
mitea1 0:f2815503561f 66 void MAX44009::setUpperThreshold(){
mitea1 0:f2815503561f 67 uint8_t registerValue = config->getUpperThreshold();
mitea1 0:f2815503561f 68 i2c->write_RT(MAX44009_ADRESS,MAX44009_TH_UPPER,false,&registerValue,1);
mitea1 0:f2815503561f 69 }
mitea1 0:f2815503561f 70
mitea1 0:f2815503561f 71 void MAX44009::setLowerThreshold(){
mitea1 0:f2815503561f 72 uint8_t registerValue = config->getLowerThreshold();
mitea1 0:f2815503561f 73 i2c->write_RT(MAX44009_ADRESS,MAX44009_TH_LOWER,false,&registerValue,1);
mitea1 0:f2815503561f 74 }
mitea1 0:f2815503561f 75
mitea1 0:f2815503561f 76 void MAX44009::setI2CRT(I2C_RT* i2c){
mitea1 0:f2815503561f 77 this->i2c = i2c;
mitea1 0:f2815503561f 78 }