maintenance mode (timeout watchdog reworked)
This commit is contained in:
cyberman54
parent
da4fcc7ef1
commit
cabdb4da21
94
src/boot.cpp
94
src/boot.cpp
@ -4,37 +4,11 @@
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// Local logging tag
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static const char TAG[] = __FILE__;
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// start local web server with user interface for maintenance mode
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// used for manually uploading a firmware file via wifi
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static hw_timer_t *wdTimer = NULL;
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static WebServer server(80);
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static TaskHandle_t RestartHandle;
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void start_boot_menu(void) {
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uint8_t mac[6];
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char clientId[20];
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unsigned long timeout = millis();
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// hash 6 byte MAC to 4 byte hash
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esp_eth_get_mac(mac);
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const uint32_t hashedmac = myhash((const char *)mac, 6);
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snprintf(clientId, 20, "paxcounter_%08x", hashedmac);
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const char *host = clientId;
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const char *ssid = WIFI_SSID;
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const char *password = WIFI_PASS;
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// set runmode normal makes watchdog booting to production if triggered
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RTC_runmode = RUNMODE_NORMAL;
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// setup watchdog, based on esp32 timer2 interrupt
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hw_timer_t *timer = NULL;
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timer = timerBegin(2, 80, true); // timer 2, div 80, countup
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timerAttachInterrupt(timer, &esp_restart, true); // callback for device reset
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timerAlarmWrite(timer, BOOTTIMEOUT * 1000000, false); // set time in us
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timerAlarmEnable(timer); // enable watchdog
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WebServer server(80);
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const char *loginMenu =
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static const char *loginMenu =
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"<form name='loginForm'>"
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"<table width='20%' bgcolor='A09F9F' align='center'>"
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"<tr>"
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@ -55,7 +29,7 @@ void start_boot_menu(void) {
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"function start(form) {window.open('/serverIndex')}"
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"</script>";
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const char *serverIndex =
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static const char *serverIndex =
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"<script "
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"src='https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/"
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"jquery.min.js'></script>"
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@ -95,6 +69,44 @@ void start_boot_menu(void) {
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"});"
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"</script>";
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void IRAM_ATTR watchdog() { xTaskResumeFromISR(RestartHandle); }
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// start local web server with user interface for maintenance mode
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// used for manually uploading a firmware file via wifi
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void start_boot_menu(void) {
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uint8_t mac[6];
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char clientId[20];
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// hash 6 byte MAC to 4 byte hash
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esp_eth_get_mac(mac);
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const uint32_t hashedmac = myhash((const char *)mac, 6);
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snprintf(clientId, 20, "paxcounter_%08x", hashedmac);
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const char *host = clientId;
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const char *ssid = WIFI_SSID;
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const char *password = WIFI_PASS;
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// set runmode normal makes watchdog booting to production if triggered
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RTC_runmode = RUNMODE_NORMAL;
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// setup restart handle task for resetting ESP32, which is callable from ISR
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// (because esp_restart() from ISR would trigger the ESP32 task watchdog)
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xTaskCreate(
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[](void *p) {
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vTaskSuspend(NULL);
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ESP.restart();
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},
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"Restart", configMINIMAL_STACK_SIZE, NULL, (3 | portPRIVILEGE_BIT),
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&RestartHandle);
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// setup watchdog, based on esp32 timer2 interrupt
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wdTimer = timerBegin(0, 80, true); // timer 0, div 80, countup
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timerAttachInterrupt(wdTimer, &watchdog, true); // callback for device reset
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timerAlarmWrite(wdTimer, BOOTDELAY * 1000000, false); // set time in us
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timerAlarmEnable(wdTimer); // enable watchdog
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WiFi.disconnect(true);
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WiFi.config(INADDR_NONE, INADDR_NONE,
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INADDR_NONE); // call is only a workaround for bug in WiFi class
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@ -109,39 +121,31 @@ void start_boot_menu(void) {
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// 1st try
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WiFi.begin(ssid, password);
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while (WiFi.status() == WL_DISCONNECTED) {
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if ((long)(millis() - timeout) > (BOOTDELAY * 1000))
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esp_restart();
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else
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delay(500);
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}
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// 2nd try
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if (WiFi.status() != WL_CONNECTED) {
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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if ((long)(millis() - timeout) > (BOOTDELAY * 1000))
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esp_restart();
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else
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delay(500);
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}
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}
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MDNS.begin(host);
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timerWrite(timer, 0); // reset timer (feed watchdog)
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timerWrite(wdTimer, 0); // reset timer (feed watchdog)
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server.on("/", HTTP_GET, [&server, &loginMenu]() {
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server.on("/", HTTP_GET, []() {
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server.sendHeader("Connection", "keep-alive");
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server.send(200, "text/html", loginMenu);
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});
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server.on("/serverIndex", HTTP_GET, [&server, &serverIndex, &timer]() {
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timerWrite(timer, 0); // reset timer (feed watchdog)
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server.on("/serverIndex", HTTP_GET, []() {
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timerAlarmWrite(wdTimer, BOOTTIMEOUT * 1000000, false); // set time in us
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server.sendHeader("Connection", "keep-alive");
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server.send(200, "text/html", serverIndex);
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});
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server.on(
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"/update", HTTP_POST,
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[&server]() {
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[]() {
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server.sendHeader("Connection", "close");
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server.send(200, "text/plain", (Update.hasError()) ? "FAIL" : "OK");
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WiFi.disconnect(true);
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@ -149,7 +153,7 @@ void start_boot_menu(void) {
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},
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// handling uploading firmware file
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[&server, &timer]() {
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[]() {
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bool success = false;
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HTTPUpload &upload = server.upload();
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@ -51,7 +51,6 @@ So don't do it if you do not own a digital oscilloscope.
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-------------------------------------------------------------------------------
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0 displayIRQ -> display refresh -> 40ms (DISPLAYREFRESH_MS)
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1 ppsIRQ -> pps clock irq -> 1sec
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2 watchdog -> used in boot.cpp
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3 MatrixDisplayIRQ -> matrix mux cycle -> 0,5ms (MATRIX_DISPLAY_SCAN_US)
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