Parameterise the reset timeout for haltError

Author: tyeth

src/Wippersnapper.cpp

@@ -2499,10 +2499,13 @@ void Wippersnapper::runNetFSM() {
               The desired color to blink.
 */
 /**************************************************************************/
-void Wippersnapper::haltError(String error, ws_led_status_t ledStatusColor) {
+void Wippersnapper::haltError(String error, ws_led_status_t ledStatusColor,
+                              uint8_t seconds_until_reboot) {
+  uint8_t wdt_timeout = 5; // future platform-specific differences
+  int seconds_until_wdt_enable = seconds_until_reboot - wdt_timeout;
   for (int i = 0;; i++) {
     WS_DEBUG_PRINT("ERROR [WDT RESET IN ");
-    WS_DEBUG_PRINT(25 - i);
+    WS_DEBUG_PRINT(seconds_until_reboot - i);
     WS_DEBUG_PRINTLN("]: ");
     WS_DEBUG_PRINTLN(error);
     // let the WDT fail out and reset!
@@ -2514,11 +2517,11 @@ void Wippersnapper::haltError(String error, ws_led_status_t ledStatusColor) {
     // hardware and software watchdog timers, delayMicroseconds does not.
     delayMicroseconds(1000000);
 #endif
-    if (i < 20) {
+    if (i < seconds_until_wdt_enable) {
       yield();
       WS.feedWDT(); // feed the WDT for the first 20 seconds
-    } else if (i == 20) {
-      WS.enableWDT(5000);
+    } else if (i == seconds_until_reboot) {
+      WS.enableWDT(wdt_timeout * 1000);
     }
   }
 }

src/Wippersnapper.h

@@ -306,7 +306,8 @@ class Wippersnapper {
 
   // Error handling helpers
   void haltError(String error,
-                 ws_led_status_t ledStatusColor = WS_LED_STATUS_ERROR_RUNTIME);
+                 ws_led_status_t ledStatusColor = WS_LED_STATUS_ERROR_RUNTIME,
+                 uint8_t seconds_until_reboot = 25);
   void errorWriteHang(String error);
 
   // MQTT topic callbacks //