Improve Watchdog reset conditions

diff --git a/v10/main.c b/v10/main.c
index dd98650..e4ec589 100644 (file)
--- a/v10/main.c
+++ b/v10/main.c
@@ -642,9 +642,11 @@ int main(void)
                /* Feed the dog if sensor values are relevant */
                int allow_wd_feed = 1;
                if ((solar_prod_value == 0) || (home_conso_value == 0)) {
+                       /* The sensors cannot read as 0, this is an ADC initialisation error */
                        allow_wd_feed = 0;
                }
-               if ((water_centi_degrees < 0) || (water_centi_degrees > (ABSOLUTE_MAX_WATER_TEMP + 200))) {
+               if ((water_centi_degrees <= 0) || (water_centi_degrees > (ABSOLUTE_MAX_WATER_TEMP + 200))) {
+                       /* This is certainly a thermocouple reading error : reset */
                        allow_wd_feed = 0;
                }
                /* Blocked in overvoltage mode */
@@ -653,7 +655,7 @@ int main(void)
                }
                /* Blocked in overtemperature mode */
                if (mode == mode_overtemp) {
-                       if ((mosfet_temp_shutdown == 0) && (internal_temp_error_shutdown >= 0)) {
+                       if ((mosfet_temp_shutdown == 0) && (internal_temp_error_shutdown == 0)) {
                                allow_wd_feed = 0;
                        }
                }