From d62a4ec59d0a1ae3e6b62d798a39a3dc0320116b Mon Sep 17 00:00:00 2001
From: Edward Emelianov <eddy@sao.ru>
Date: Tue, 14 Jun 2022 09:40:00 +0300
Subject: [PATCH] fix bug with bad data from modbus: add 15 tries

---
 BTA_modbusmeteo/bta_meteo_modbus.c | 3 ++-
 BTA_modbusmeteo/main.c             | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/BTA_modbusmeteo/bta_meteo_modbus.c b/BTA_modbusmeteo/bta_meteo_modbus.c
index 4d17cd5..9f4bbdd 100644
--- a/BTA_modbusmeteo/bta_meteo_modbus.c
+++ b/BTA_modbusmeteo/bta_meteo_modbus.c
@@ -155,7 +155,8 @@ params_ans check_meteo_params(){
     struct timeval timeout;
     fd_set set;
     time_t tstart = time(NULL);
-    while(n_bytes){
+    int ctr = 15; // max 15 tries
+    while(ctr--) while(n_bytes){
         FD_ZERO(&set);
         FD_SET(portfd, &set);
         timeout.tv_sec = 0;
diff --git a/BTA_modbusmeteo/main.c b/BTA_modbusmeteo/main.c
index 59c9444..0fcbf2b 100644
--- a/BTA_modbusmeteo/main.c
+++ b/BTA_modbusmeteo/main.c
@@ -116,6 +116,7 @@ int main(int argc, char *argv[]){
         params_ans a = check_meteo_params();
         if(a == ANS_LOSTCONN){
             LOG("Lost connection with device, reconnect!");
+            clear_flags();
             return 1;
         }
         if(a == ANS_OK){