From: Nathael Pajani <nathael.pajani@ed3l.fr>
Date: Mon, 16 Sep 2024 18:01:08 +0000 (+0200)
Subject: Update overvolage mode update to prevent deadlock
X-Git-Url: http://git.techno-innov.fr/?a=commitdiff_plain;h=84c8bd56621c1f321a6ec953e0f4614501768a9f;p=soft%2Flpc122x%2Fscialys

Update overvolage mode update to prevent deadlock
---

diff --git a/v10/main.c b/v10/main.c
index 421d2fe..72f2498 100644
--- a/v10/main.c
+++ b/v10/main.c
@@ -61,7 +61,7 @@ uint8_t forced_cmd_val = 0;
 int8_t internal_temp_error_shutdown = 0; /* Flag and error code */
 uint8_t external_disable = 0; /* Flag only */
 uint8_t mosfet_temp_shutdown = 0; /* Flag only */
-uint8_t overvoltage = 0; /* Flag and counter. Used to create a delay when overvoltage is detected,
+volatile uint8_t overvoltage = 0; /* Flag and counter. Used to create a delay when overvoltage is detected,
 							set to OVERVOLTAGE_PROTECTION_CYCLES and decreases to 0 */
 
 /* Current running mode */
@@ -157,8 +157,10 @@ void overvoltage_protect(uint32_t gpio)
 	overvoltage = OVERVOLTAGE_PROTECTION_CYCLES;
 	gpio_set(fan_ctrl); /* Turn on FAN immediatly */
 	/* Change current working mode */
-	old_mode = mode;
-	mode = mode_overvoltage;
+	if (mode != mode_overvoltage) {
+		old_mode = mode;
+		mode = mode_overvoltage;
+	}
 }