/* ===== pfod Command for Menu_1 ====
pfodApp msg {.} --> {,<bg w><b><+7>~Feather52`0~V38|A~Date/Time plot of A0}
 */
// Using Adafruit nRF52 Feather BLE

/* Code generated by pfodDesignerV3 V3.0.3602
 */
/*
 * (c)2014-2018 Forward Computing and Control Pty. Ltd.
 * NSW Australia, www.forward.com.au
 * This code is not warranted to be fit for any purpose. You may only use it at your own risk.
 * This generated code may be freely used for both private and commercial use
 * provided this copyright is maintained.
 */

// download the libraries from http://www.forward.com.au/pfod/pfodParserLibraries/index.html
// pfodParser.zip V3.31+ contains pfodParser, pfodSecurity, pfodDelay, pfodBLEBufferedSerial, pfodSMS and pfodRadio
#include <pfodParser.h>

#include <pfodBLEBufferedSerial.h>
int swap01(int); // method prototype for slider end swaps
float getPlotVarScaling(long varMax, long varMin, float displayMax, float displayMin);

pfodParser parser("V2"); // create a parser to handle the pfod messages
pfodBLEBufferedSerial bleBufferedSerial;

#include <bluefruit.h>
const char* deviceName = "pfod bluefruit52"; // 30 chars or less in name

// BLE Service
BLEDis  bledis;
BLEUart bleuart;

unsigned long plot_mSOffset = 0; // set by {@} response

// plotting data variables
int plot_1_varMin = 0;
int plot_1_var = plot_1_varMin;
float plot_1_scaling;
float plot_1_varDisplayMin = 0.0;
// plot 2 is hidden
// plot 3 is hidden
pfodDelay plotDataTimer; // plot data timer
unsigned long PLOT_DATA_INTERVAL = 1000;// mS == 1 secs, edit this to change the plot data interval

// the setup routine runs once on reset:
void setup() {

  // set up for Chart 
  // set pinMode for plot pins
  // calculate the plot vars scaling here once to reduce computation
  plot_1_scaling = getPlotVarScaling(1023,plot_1_varMin,3.6,plot_1_varDisplayMin);
  parser.connect(bleBufferedSerial.connect(&bleuart));

  Bluefruit.autoConnLed(true); // use Bluefruit.autoConnLed(false); to save power or to control BLUE Led manually via Pin 19

  Bluefruit.begin();
  // Set max power. Accepted values are: -40, -30, -20, -16, -12, -8, -4, 0, 4
  Bluefruit.setTxPower(4);
  Bluefruit.setName(deviceName); // 30 chars or less in name
  Bluefruit.setConnectCallback(connect_callback);
  Bluefruit.setDisconnectCallback(disconnect_callback);

  // Configure and Start Device Information Service
  bledis.setManufacturer("Adafruit Industries");
  bledis.setModel("Bluefruit Feather52");
  bledis.begin();

  // Configure and Start BLE Uart Service
  bleuart.begin();

  // Set up and start advertising
  startAdv();

  plotDataTimer.start(PLOT_DATA_INTERVAL); // start plot timer

  // <<<<<<<<< Your extra setup code goes here
}

// the loop routine runs over and over again forever:
void loop() {
  uint8_t cmd = parser.parse(); // parse incoming data from connection
  // parser returns non-zero when a pfod command is fully parsed
  if (cmd != 0) { // have parsed a complete msg { to }
    uint8_t* pfodFirstArg = parser.getFirstArg(); // may point to \0 if no arguments in this msg.
    pfod_MAYBE_UNUSED(pfodFirstArg); // may not be used, just suppress warning
    long pfodLongRtn; // used for parsing long return arguments, if any
    pfod_MAYBE_UNUSED(pfodLongRtn); // may not be used, just suppress warning
    if ('.' == cmd) {
      // pfodApp has connected and sent {.} , it is asking for the main menu
      if (!parser.isRefresh()) {
        sendMainMenu(); // send back the menu designed
      } else {
        sendMainMenuUpdate(); // menu is cached just send update
      }

      // handle {@} request
    } else if('@'==cmd) { // pfodApp requested 'current' time
      plot_mSOffset = millis(); // capture current millis as offset rawdata timestamps
      parser.print(F("{@`0}")); // return `0 as 'current' raw data milliseconds
    

    // now handle commands returned from button/sliders
    } else if('A'==cmd) { // user pressed -- 'Date/Time plot of A0'
      // in the main Menu of Menu_1 
      // return plotting msg.
      parser.print(F("{=A0 Volts~E HH:mm:ss|date|A0~~~Volts||}"));

    } else if ('!' == cmd) {
      // CloseConnection command
      closeConnection(parser.getPfodAppStream());
    } else {
      // unknown command
      parser.print(F("{}")); // always send back a pfod msg otherwise pfodApp will disconnect.
    }
  }
  sendData();
  //  <<<<<<<<<<<  Your other loop() code goes here 
  
}
void closeConnection(Stream *io) {
  // nothing special here
}

void startAdv(void) {
  // Advertising packet
  Bluefruit.Advertising.addFlags(BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE);
  Bluefruit.Advertising.addTxPower();
  // Include bleuart 128-bit uuid
  Bluefruit.Advertising.addService(bleuart);
  Bluefruit.ScanResponse.addName();

  Bluefruit.Advertising.restartOnDisconnect(true);
  Bluefruit.Advertising.setInterval(32, 244);    // in unit of 0.625 ms
  Bluefruit.Advertising.setFastTimeout(30);      // number of seconds in fast mode
  Bluefruit.Advertising.start(0);                // 0 = Don't stop advertising after n seconds
}

void connect_callback(uint16_t conn_handle) {
}

void disconnect_callback(uint16_t conn_handle, uint8_t reason) {
}

void sendData() {
  if (plotDataTimer.isFinished()) {
    plotDataTimer.repeat(); // restart plot data timer, without drift
    // assign values to plot variables from your loop variables or read ADC inputs
    plot_1_var = analogRead(A0); // read input to plot 
    // plot_2_var plot Hidden so no data assigned here
    // plot_3_var plot Hidden so no data assigned here
    // send plot data in CSV format
    parser.print(millis()-plot_mSOffset);// time in milliseconds
    parser.print(','); parser.print(((float)(plot_1_var-plot_1_varMin)) * plot_1_scaling + plot_1_varDisplayMin);
    parser.print(','); // Plot 2 is hidden. No data sent.
    parser.print(','); // Plot 3 is hidden. No data sent.
    parser.println(); // end of CSV data record
  }
}


float getPlotVarScaling(long varMax, long varMin, float displayMax, float displayMin) {
  long varRange = varMax - varMin;
  if (varRange == 0) { varRange = 1; } // prevent divide by zero
  return (displayMax - displayMin)/((float)varRange);
}


void sendMainMenu() {
  // !! Remember to change the parser version string
  //    every time you edit this method
  parser.print(F("{,"));  // start a Menu screen pfod message
  // send menu background, format, prompt, refresh and version
  parser.print(F("<bg w><b><+7>~Feather52`0"));
  parser.sendVersion(); // send the menu version 
  // send menu items
  parser.print(F("|A"));
  parser.print(F("~Date/Time plot of A0"));
  parser.print(F("}"));  // close pfod message
}

void sendMainMenuUpdate() {
  parser.print(F("{;"));  // start an Update Menu pfod message
  // send menu items
  parser.print(F("}"));  // close pfod message
  // ============ end of menu ===========
}

int swap01(int in) {
  return (in==0)?1:0;
}
// ============= end generated code =========