367 lines
10 KiB
C
367 lines
10 KiB
C
#ifndef _DISPLAY_H_
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#define _DISPLAY_H_
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#include <Wire.h>
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#include <Adafruit_GFX.h>
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#include <Adafruit_SSD1306.h>
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#include <Fonts/FreeMonoBold18pt7b.h>
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#include <Fonts/FreeSansBold9pt7b.h>
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#define SCREEN_WIDTH 128 // OLED display width, in pixels
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#define SCREEN_HEIGHT 32 // OLED display height, in pixels
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#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
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#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
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Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
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bool display_init();
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void display_update(ESCSerialComm& escFront, ESCSerialComm& escRear);
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void display_drivingDisplay(ESCSerialComm& escFront, ESCSerialComm& escRear);
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void display_standingDisplay(ESCSerialComm& escFront, ESCSerialComm& escRear);
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void display_standingDisarmedDisplay(ESCSerialComm& escFront, ESCSerialComm& escRear);
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void display_debugDisplay(ESCSerialComm& escFront, ESCSerialComm& escRear);
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bool display_init(){
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if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
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Serial.println(F("SSD1306 allocation failed"));
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return false;
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}
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display.clearDisplay();
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display.setTextSize(1); // Normal 1:1 pixel scale
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display.setTextColor(SSD1306_WHITE); // Draw white text
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display.setCursor(0,0); // Start at top-left corner
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display.display();
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return true;
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}
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void display_update(ESCSerialComm& escFront, ESCSerialComm& escRear){
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display.clearDisplay();
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/*
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display.setTextSize(1); // Normal 1:1 pixel scale
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display.setTextColor(SSD1306_WHITE); // Draw white text
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display.setCursor(0,0); // Start at top-left corner
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display.print(F("Speed : ")); display.println((escFront.getMeanSpeed()+escRear.getMeanSpeed())/2.0);
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display.print(F("Thr: ")); display.print(throttle_pos);
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display.print(F(" Brk : ")); display.println(brake_pos);
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display.print(F("Current : ")); display.println(filtered_currentAll);
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display.print(F("Vbat : ")); display.print(escFront.getFeedback_batVoltage());
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display.print(F(" / ")); display.println(escRear.getFeedback_batVoltage());
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*/
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if ( (error_brake_outofrange || error_throttle_outofrange || error_throttle_difftoohigh || error_ads_max_read_interval || error_sdfile_unavailable) && ((loopmillis/2000)%2==0)) {
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//Error Messages
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display.setFont();
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display.setTextSize(1); // Normal 1:1 pixel scale
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display.setTextColor(SSD1306_WHITE); // Draw white text
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display.setCursor(0,0); // Start at top-left corner
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display.print(F("Error!"));
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display.println();
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String errorstring="";
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if (error_brake_outofrange) {
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errorstring+="brake_outofrange\n";
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}
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if (error_throttle_outofrange) {
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errorstring+="throttle_outofrange\n";
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}
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if (error_throttle_difftoohigh) {
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errorstring+="throttle_difftoohigh\n";
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}
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if (error_ads_max_read_interval) {
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errorstring+="ads_max_read_interval\n";
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}if (error_sdfile_unavailable) {
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errorstring+="error_sdfile_unavailable\n";
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}
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display.print(errorstring);
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}else{
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//Normal Display Routinges here
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if (armed) {
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if (loopmillis-last_notidle>5000) {
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display_standingDisplay(escFront,escRear);
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}else{
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if (!control_buttonA) {
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display_drivingDisplay(escFront,escRear);
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}else{
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display_debugDisplay(escFront,escRear);
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}
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}
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}else{
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display_standingDisarmedDisplay(escFront,escRear);
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}
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}
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display.display();
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}
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void display_drivingDisplay(ESCSerialComm& escFront, ESCSerialComm& escRear) {
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//## Km/h Display
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display.setFont(&FreeMonoBold18pt7b);
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display.setTextSize(1); // Normal 1:1 pixel scale
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display.setTextColor(SSD1306_WHITE); // Draw white text
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display.setCursor(0,SCREEN_HEIGHT-(SCREEN_HEIGHT-18)/2 - 3); // Start at top-left corner
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//float _speeddisplay=(escFront.getMeanSpeed()+escRear.getMeanSpeed())/2.0*3.6;
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float _speeddisplay=minSpeedms*3.6;
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//_speeddisplay=(millis()/1000)%21; //debugging
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char buf[8];
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dtostrf(_speeddisplay,1,1,buf);
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String strbuf=buf;
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if (strbuf.length()<4) { //pad spaces on the left
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strbuf=" "+strbuf;
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}
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display.print(strbuf);
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display.setFont();
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display.setCursor(SCREEN_WIDTH-25,SCREEN_HEIGHT-16);
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display.print("km/h");
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//A
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display.setCursor(SCREEN_WIDTH-37,1);
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static float averaged_filtered_currentAll;
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#define CURRENT_FILTER 0.8
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averaged_filtered_currentAll=averaged_filtered_currentAll*CURRENT_FILTER+(1-CURRENT_FILTER)*filtered_currentAll; //filter over time
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float averaged_filtered_wattAll=averaged_filtered_currentAll*(escFront.getFeedback_batVoltage()+escRear.getFeedback_batVoltage())/2.0;
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//dtostrf(averaged_filtered_currentAll,1,2,buf);
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dtostrf(averaged_filtered_wattAll,1,0,buf);
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strbuf=buf;
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if (strbuf.length()<5) { //pad spaces on the left
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strbuf=" "+strbuf;
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}
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display.print(strbuf);
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//display.print("A");
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display.print("W");
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//## Trip / Current Consumed Display
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display.setCursor(1,SCREEN_HEIGHT-7);
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//if (((millis()/2500)%2)==0) {
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if (control_buttonB) {
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//## Speed statistic
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display.print("max: ");
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dtostrf(max_meanSpeed*3.6,1,0,buf);
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display.print((String)buf);
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display.print("km/h");
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}else{
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//## Current Consumed
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/*
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dtostrf(min_filtered_currentAll,1,1,buf);
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display.print("min:");
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display.print((String)buf);
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display.print("A max:");
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dtostrf(max_filtered_currentAll,1,1,buf);
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display.print((String)buf);
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display.print("A");
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*/
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//## Watt Hours Consumed
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dtostrf(min_filtered_wattAll,1,0,buf);
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display.print("min:");
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display.print((String)buf);
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display.print("W max:");
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dtostrf(max_filtered_wattAll,1,0,buf);
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display.print((String)buf);
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display.print("W");
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}
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}
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void display_debugDisplay(ESCSerialComm& escFront, ESCSerialComm& escRear) {
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//Debug
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display.setTextSize(2); // Normal 1:1 pixel scale
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display.setFont();
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display.setTextColor(SSD1306_WHITE); // Draw white text
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char buf[8];
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display.setCursor(1,0);
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dtostrf(filtered_currentAll,1,3,buf);
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display.print((String)buf);
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display.print(" A > ");
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display.println();
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//all wheel getCMD
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display.setTextSize(1);
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display.setCursor(25,SCREEN_HEIGHT-8*2);
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display.print(escFront.getCmdL());
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display.setCursor(SCREEN_WIDTH-4*7-25,SCREEN_HEIGHT-8*2);
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display.print(escFront.getCmdR());
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display.setCursor(25,SCREEN_HEIGHT-8*1);
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display.print(escRear.getCmdL());
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display.setCursor(SCREEN_WIDTH-4*7-25,SCREEN_HEIGHT-8*1);
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display.print(escRear.getCmdR());
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/*
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display.setTextSize(1);
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display.setCursor(1,SCREEN_HEIGHT-8*2);
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display.print("minCMD=");
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display.print(min(min(min(escFront.getCmdL(),escFront.getCmdR()),escRear.getCmdL()),escRear.getCmdR()));
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display.print(" thrpos=");
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display.print(throttle_pos);
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*/
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}
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void display_standingDisplay(ESCSerialComm& escFront, ESCSerialComm& escRear) {
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double _displaytrip=trip;
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//double _displaycurrent=currentConsumed;
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double _displaywatthours=watthoursConsumed;
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//bool _displayOverall= ((millis()/3000)%2==0); //switch based on time
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bool _displayOverall=control_buttonB; //switch with button
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bool _displayParameters=control_buttonA;
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char buf[8];
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display.setFont();
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display.setCursor(0,0);
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if (_displayParameters) {
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display.print(F("cmdred min=")); display.print(minimum_constant_cmd_reduce);
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display.print(F(" p=")); display.print(brake_cmdreduce_proportional);
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display.println();
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display.print(F("brkI="));
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dtostrf(startbrakecurrent,1,1,buf);
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display.print((String)buf);
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display.print("A");
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display.print(F(" free="));
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dtostrf(freewheel_break_factor,1,1,buf);
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display.print((String)buf);
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display.println();
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display.print(F("thrmax=")); display.print(throttle_max);
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display.print(F(" rev="));
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dtostrf(reverse_speed,1,2,buf);
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display.print((String)buf);
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display.println();
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}else{
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if (_displayOverall) { //alternate between this trip and overall trip
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_displaytrip=overallTrip;
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//_displaycurrent=overallCurrentConsumed;
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_displaywatthours=overallWatthoursConsumed;
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}
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display.print(F("Vbat:")); display.print(escFront.getFeedback_batVoltage());
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display.print(F("/")); display.print(escRear.getFeedback_batVoltage());
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display.print(" V");
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display.println();
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//display.print(F("Temp:")); display.print(escFront.getFeedback_boardTemp());
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//display.print(F("/")); display.print(escRear.getFeedback_boardTemp());
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display.print(F("T:")); display.print(temp_ESCFront,0);
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display.print(F("/")); display.print(temp_ESCRear,0);
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display.print(F("/")); display.print(temp_Air,0);
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display.print(" C");
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display.println();
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display.print(F("Trip:"));
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dtostrf(_displaytrip,1,0,buf);
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display.print((String)buf);
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display.print("m ");
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//dtostrf(_displaycurrent,1,2,buf);
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dtostrf(_displaywatthours,1,2,buf);
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display.print((String)buf);
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//display.print(" Ah");
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display.print("Wh");
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display.println();
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display.print(F(""));
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//dtostrf( _displaytrip/1000/_displaycurrent ,1,2,buf);
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dtostrf( _displaywatthours/_displaytrip*100,1,2,buf);
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display.print((String)buf);
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//display.print(" km/Ah");
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display.print(" kWh/100km");
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if (_displayOverall){
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display.print(" sum");
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}
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display.println();
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}
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}
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void display_standingDisarmedDisplay(ESCSerialComm& escFront, ESCSerialComm& escRear) {
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//Displayed stuff here when escs are powered off / disconnected
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char buf[8];
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display.setFont();
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display.setCursor(0,0);
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if (datalogging) {
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display.print(getLogFilename());
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}else{
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display.print("LOG DISABLED");
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}
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display.print(F(" ")); display.print(loopmillis/1000);
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display.print(F("s"));
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display.println();
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display.print(F("ESC F="));
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display.print(escFront.getControllerConnected());
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display.print(F(" R="));
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display.print(escRear.getControllerConnected());
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display.println();
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display.print("throttle=");
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dtostrf(ads_throttle_A_raw,1,0,buf);
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display.print((String)buf);
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display.print("/");
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dtostrf(ads_throttle_B_raw,1,0,buf);
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display.print((String)buf);
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display.println();
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display.print("brake=");
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dtostrf(ads_brake_raw,1,0,buf);
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display.print((String)buf);
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/*display.print(" c=");
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dtostrf(ads_control_raw,1,0,buf);
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display.print((String)buf); */
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if (control_buttonA){
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display.print(" A");
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}
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if (control_buttonB){
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display.print(" B");
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}
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if (button_start_state){
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display.print(" S");
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}
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}
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#endif |