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88 lines
1.9 KiB
C++
88 lines
1.9 KiB
C++
// FARM DATA RELAY SYSTEM
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//
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// TFT_eSPI Example
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//
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// Listens for datareading IDs #101-104 and displays their data in the four corners of a TFT screen.
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// Developed by Timm Bogner (timmbogner@gmail.com) in Urbana, Illinois, USA.
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//
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//
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#include "fdrs_node_config.h"
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#include <fdrs_node.h>
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#include <TFT_eSPI.h>
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TFT_eSPI tft = TFT_eSPI();
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#define CONTROL_A 101 //ID for datapoint A
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#define CONTROL_B 102 //ID for datapoint B
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#define CONTROL_C 103 //ID for datapoint C
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#define CONTROL_D 104 //ID for datapoint D
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float value_A = 0;
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float value_B = 0;
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float value_C = 0;
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float value_D = 0;
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bool newData = false;
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void fdrs_recv_cb(DataReading theData) {
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switch (theData.id) {
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case CONTROL_A:
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value_A = theData.d;
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newData = true;
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break;
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case CONTROL_B:
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value_B = theData.d;
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newData = true;
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break;
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case CONTROL_C:
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value_C = theData.d;
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newData = true;
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break;
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case CONTROL_D:
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value_D = theData.d;
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newData = true;
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break;
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}
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}
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void updateScreen() {
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tft.fillScreen(TFT_BLACK);
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tft.setTextDatum(TL_DATUM);
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tft.drawFloat(value_A, 3, 0, 0, 2);
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tft.setTextDatum(TR_DATUM);
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tft.drawFloat(value_B, 3, tft.width(), 0, 2);
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tft.setTextDatum(BL_DATUM);
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tft.drawFloat(value_C, 3, 0, tft.height(), 2);
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tft.setTextDatum(BR_DATUM);
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tft.drawFloat(value_D, 3, tft.width(), tft.height(), 2);
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}
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void setup() {
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tft.init();
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tft.setRotation(1);
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tft.fillScreen(TFT_BLACK);
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tft.setTextColor(TFT_WHITE, TFT_BLACK);
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tft.setTextSize(2);
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updateScreen();
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beginFDRS();
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DBG("W:" +String(tft.width()));
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DBG("FARM DATA RELAY SYSTEM :: TFT_eSPI Example -- thanks Bodmer!");
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if (addFDRS(1000, fdrs_recv_cb)) {
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subscribeFDRS(CONTROL_A);
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subscribeFDRS(CONTROL_B);
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subscribeFDRS(CONTROL_C);
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subscribeFDRS(CONTROL_D);
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} else {
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DBG("Not Connected");
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}
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}
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void loop()
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{
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if (newData) {
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newData = false;
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updateScreen();
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}
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}
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