Fix full-screen arc negative sign bug, switch battery to ATRV, and add PID communication watchdog
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2fecf43275
commit
3e697f360a
2 changed files with 88 additions and 45 deletions
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@ -524,16 +524,16 @@ void fullScreenMeter(uint8_t cell, uint8_t pid, bool redrawHeader = true) {
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tft.loadFont(DSEG7_Modern_BoldItalic_80);
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tft.setTextColor(TFT_GREEN, TFT_BLACK);
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tft.setTextPadding(155);
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tft.drawRightString("---", 230, 155, 1);
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tft.setTextPadding(280);
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tft.drawCentreString("---", 160, 155, 1);
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tft.setTextPadding(0);
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tft.unloadFont();
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} else {
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// Digital numeric mode full screen with DSEG7 Smooth Font (Anti-Aliased)
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tft.loadFont(DSEG7_Modern_BoldItalic_80);
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tft.setTextColor(TFT_GREEN, TFT_BLACK);
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tft.setTextPadding(295);
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tft.drawRightString("---", 295, 98, 1);
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tft.setTextPadding(300);
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tft.drawRightString("---", 305, 98, 1);
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tft.setTextPadding(0);
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tft.unloadFont();
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}
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@ -565,16 +565,16 @@ void plotFullScreen(uint8_t cell, float data, int warn, int min, int max,
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// Value below the arc using DSEG7 Modern smooth font
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tft.loadFont(DSEG7_Modern_BoldItalic_80);
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tft.setTextColor(col, TFT_BLACK);
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tft.setTextPadding(155);
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tft.drawRightString(numStr.c_str(), 230, 155, 1);
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tft.setTextPadding(280);
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tft.drawCentreString(numStr.c_str(), 160, 155, 1);
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tft.setTextPadding(0);
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tft.unloadFont();
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} else {
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// Digital numeric mode full screen with DSEG7 Smooth Font (Anti-Aliased)
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tft.loadFont(DSEG7_Modern_BoldItalic_80);
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tft.setTextColor(col, TFT_BLACK);
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tft.setTextPadding(295);
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tft.drawRightString(numStr.c_str(), 295, 98, 1);
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tft.setTextPadding(300);
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tft.drawRightString(numStr.c_str(), 305, 98, 1);
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tft.setTextPadding(0);
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tft.unloadFont();
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}
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@ -611,11 +611,14 @@ void initScreen() {
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// get A B from response return in global A B variable
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void getAB(String elm_rsp) { // 41 05 2A 3C 01>
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if (elm_rsp == "NO DATA\r\r>") { // pid no data
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if (pidList[pidIndex] == "ATRV") {
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return;
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}
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if (elm_rsp.indexOf("NO DATA") != -1) { // pid no data
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A = 0;
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B = 0;
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} else {
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return;
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}
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// check if pid is 2 or 3 command length.
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uint8_t charcnt = pidList[pidIndex].length() / 2; // 0105->2,221E1C->3
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String strs[8];
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@ -625,22 +628,27 @@ void getAB(String elm_rsp) { // 41 05 2A 3C 01>
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if (index == -1) // No space found
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{ // only data without space is now in strs {41,05,aa,bb}
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strs[StringCount++] = elm_rsp; // last byte
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if (StringCount > charcnt + 1) {
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A = strtol(strs[charcnt].c_str(), NULL, 16); // byte 3 save to A
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B = strtol(strs[charcnt + 1].c_str(), NULL, 16); // byte 4 save to B
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} else if (StringCount > charcnt) {
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A = strtol(strs[charcnt].c_str(), NULL, 16);
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B = 0;
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}
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break;
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} else { // found space
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strs[StringCount++] =
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elm_rsp.substring(0, index); // copy strings from 0 to space to strs
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elm_rsp = elm_rsp.substring(index +
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1); // copy the rest behind space to elm_rsp
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if (StringCount >= 7) break;
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}
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} // while
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} // else
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} // getAB
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/*-------------------------------*/
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// check engine status if off then turn off gauge
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void engine_onoff(float data, uint8_t pid) { // use pcm volt
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if (pidList[pid] == "0142") { // pcm voltage
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void engine_onoff(float data, uint8_t pid) { // use pcm volt or ATRV
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if (pidList[pid] == "0142" || pidList[pid] == "ATRV") { // pcm voltage or ATRV
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if (data > 0.5 && data < ecu_off_volt)
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engine_off_count++;
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else if (data >= ecu_off_volt)
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@ -716,10 +724,27 @@ void updateMeter(uint8_t pidNo, String response) { // update parameter on screen
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case 7:
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data = A; // km/h (PID 010D Vehicle Speed)
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break;
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case 8: {
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// Battery Voltage from ELM327 command "ATRV" (e.g. "14.2V\r\r>")
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String s = response;
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s.trim();
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int vIdx = s.indexOf('V');
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if (vIdx == -1) vIdx = s.indexOf('v');
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if (vIdx != -1) s = s.substring(0, vIdx);
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int lastSpace = s.lastIndexOf(' ');
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if (lastSpace != -1) s = s.substring(lastSpace + 1);
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int lastCr = s.lastIndexOf('\r');
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if (lastCr != -1) s = s.substring(lastCr + 1);
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int lastLf = s.lastIndexOf('\n');
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if (lastLf != -1) s = s.substring(lastLf + 1);
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s.trim();
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data = s.toFloat();
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break;
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}
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}
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// Engine off check if PCM volt
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if (pidConfig[pidIdx][2] == "0142") {
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// Engine off check if PCM volt or ATRV
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if (pidConfig[pidIdx][2] == "0142" || pidConfig[pidIdx][2] == "ATRV") {
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engine_onoff(data, pidNo);
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}
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@ -85,7 +85,7 @@ const String pidConfig[4][9] = {
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//[pid][data]
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{ "Refrigerante", "`C", "0105", "1", "0", "120", "2", "0", "100" }, //0 = Refrigerante (0105)
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{ "Revoluciones", "rpm", "010C", "3", "0", "6000", "0", "0", "5000" }, //1 = Revoluciones (010C)
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{ "Voltaje", "V", "0142", "4", "0", "16", "1", "1", "15" }, //2 = Voltaje (0142)
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{ "Voltaje", "V", "ATRV", "8", "0", "16", "1", "1", "15" }, //2 = Voltaje Batería (ATRV)
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{ "Velocidad", "km/h", "010D", "7", "0", "180", "0", "0", "130" } //3 = Velocidad (010D)
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};
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@ -380,9 +380,10 @@ recent_client_addr : {0x00,0x00,0x00,0x00,0x00,0x00} array of bytes[6]
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bt_message = "";
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for (uint8_t initIndex = 0; initIndex < elm327InitCount; initIndex++) { //send init ELM327 AT command
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BTSerial.print(elm327Init[initIndex] + "\r");
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if (initIndex == elm327InitCount - 1) delay(2000); //wait for 0100 Searching..protocal
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else delay(100); //must add delay , unless will skip BTSerial.avaialble>0
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while (BTSerial.available() > 0) {
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uint32_t waitTimeout = (initIndex == elm327InitCount - 1) ? 5000 : 1500;
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uint32_t startWait = millis();
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while (millis() - startWait < waitTimeout) {
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if (BTSerial.available() > 0) {
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char incomingChar = BTSerial.read();
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if (incomingChar == '>') { //check prompt
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BTSerial.flush(); //clear buffer
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@ -394,10 +395,14 @@ recent_client_addr : {0x00,0x00,0x00,0x00,0x00,0x00} array of bytes[6]
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#endif
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if (initIndex == 1) BTSerial.print("\r"); //ATBRD23 response
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bt_message = "";
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break;
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} else {
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bt_message.concat(incomingChar); //keep elm327 respond
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}
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} //while
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} else {
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delay(10);
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}
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} //while waitTimeout
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} //for
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initScreen();
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@ -508,6 +513,18 @@ void loop() {
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}
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//----------------------
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//BLUETOOTH read
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static uint32_t lastPidSendTime = 0;
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// Watchdog: If waiting for prompt for more than 1500ms, recover!
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if (!prompt && (millis() - lastPidSendTime > 1500)) {
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#ifdef SERIAL_DEBUG
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Serial.printf("PID timeout for %s, recovering...\n", pidList[pidIndex].c_str());
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#endif
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BTSerial.flush();
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bt_message = "";
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prompt = true;
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skip = true;
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}
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while (BTSerial.available() > 0) {
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char incomingChar = BTSerial.read();
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if (incomingChar == '>') { //check prompt
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@ -570,6 +587,7 @@ void loop() {
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pidCurrentSkip[pidIndex] = pidReadSkip[pidIndex]; //read max delay loop to current
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skip = false;
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BTSerial.print(pidList[pidIndex] + "\r"); //send PID request
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lastPidSendTime = millis();
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} else { //skip sending request
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pidCurrentSkip[pidIndex] = pidCurrentSkip[pidIndex] - 1; //decrese loop count
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prompt = true;
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