From 2658e9f053fc0fc43e853b94e589ee6d40669f57 Mon Sep 17 00:00:00 2001
From: Samuel Sadok <samuel.sadok@bluewin.ch>
Date: Tue, 13 Aug 2019 14:02:57 +0200
Subject: [PATCH] fix NVM bug

This bug prevented the user from saving the configuration more than
twice without rebooting.
---
 Firmware/MotorControl/nvm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Firmware/MotorControl/nvm.c b/Firmware/MotorControl/nvm.c
index e581beee..5a1b4a71 100644
--- a/Firmware/MotorControl/nvm.c
+++ b/Firmware/MotorControl/nvm.c
@@ -362,10 +362,12 @@ int NVM_commit(void) {
     read_sector_ = 1 - read_sector_;
 
     // invalidate the other sector
-    if (read_sector->index < read_sector->n_data)
+    if (read_sector->index < read_sector->n_data) {
         status = set_allocation_state(read_sector, read_sector->index, 1, INVALID);
-    else
+        read_sector->index += 1;
+    } else {
         status = erase(read_sector);
+    }
 
     return status;
 }