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/*
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* web_interface.h
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*
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* Created on: Aug 6, 2017
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* Author: Elmar
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*/
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#ifndef APP_WEB_INTERFACE_H_
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#define APP_WEB_INTERFACE_H_
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#include "adc.h"
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//TODO remove this
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#include "ads101x.h"
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#include "dummy_adc.h"
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#include "double_buffer.h"
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#include <SmingCore/SmingCore.h>
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namespace rijnfel {
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#define RAW_CHANNEL 1
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#define RAW_SAMPLES 1000
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class cWebInterface {
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public:
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/**
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* Returns the global cWebInterface instance.
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* Only one webserver should ever be running
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* @return global cWebInterface instance
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*/
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static cWebInterface *GetInstance() {
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if (cWebInterface::s_instance == NULL)
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cWebInterface::s_instance = new cWebInterface();
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return cWebInterface::s_instance;
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}
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/// Singleton instance
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static cWebInterface *s_instance;
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public:
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/**
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* Should not be used because it's a singleton
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* @param delete
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*/
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cWebInterface(cWebInterface const&) = delete;
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/**
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* Should not be used because it's a singleton
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* @param delete
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* @return delete
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*/
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cWebInterface& operator=(cWebInterface const&) = delete;
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/**
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* Registers the paths and starts the server
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*/
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void StartServer();
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/**
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* Stops the server
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*/
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void StopServer();
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/**
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* Updates the adc on the website. Averages it
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* @param i_adc Instance of the adc sensor
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* @param i_adcBuffer Buffer containing the raw adc values
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*/
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void UpdateAdc(cADC<ads::ads_sample_t, int32_t> & i_adc, cDoubleBuffer<ads::ads_sample_t> & i_adcBuffer);
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/**
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* Updates the temperature on the website
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* @param i_tempBuffer buffer containing temperature values
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*/
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void UpdateTemp(cDoubleBuffer<uint32_t> & i_tempBuffer);
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/**
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* This is a debug function that prints out the average values
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* @todo remove this
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*/
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void PrintValues();
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/**
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* Destructor
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*/
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virtual ~cWebInterface();
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public:
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/**
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*
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* @param i_request
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* @param i_response Response to the client, index.html
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*/
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void OnIndex(HttpRequest & i_request, HttpResponse & i_response);
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/**
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* Function gets called from the mobile to refresh the average values
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* @param i_request Request from the client
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* @param i_response Response to the client, contains JSON with averages
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*/
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void OnRefresh(HttpRequest & i_request, HttpResponse & i_response);
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/**
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*
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* @param i_request
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* @param i_response
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*/
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void OnRawUpdate(HttpRequest& i_request, HttpResponse& i_response);
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void OnConfiguration_json(HttpRequest &request, HttpResponse &response);
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void OnConfiguration(HttpRequest &request, HttpResponse &response);
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protected:
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/**
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* Initializes the variables
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*/
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cWebInterface();
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private:
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void ResetRawValues();
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/// Whether the server has started or not
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bool m_serverStarted;
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/// Holds the average for all the channels
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int32_t m_adc_value_average[4];
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/// Server instance
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HttpServer m_server;
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char * m_jsonBuffer;
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int32_t m_adc_values_raw[4][RAW_SAMPLES];
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int m_adc_values_raw_cnt[4];
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};
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} /* namespace rijnfel */
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#endif /* APP_WEB_INTERFACE_H_ */
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