From e9c43e11b18979a63f471e7c5620e3801bf6a798 Mon Sep 17 00:00:00 2001
From: fujr <fjrcn@outlook.com>
Date: Sun, 19 Jan 2025 02:03:48 +0800
Subject: [PATCH] at_tools: fix bugs 1 reset buffer before each read 2 increase
 sleep duration

---
 application/tom_modem/src/ttydevice.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/application/tom_modem/src/ttydevice.c b/application/tom_modem/src/ttydevice.c
index 3569985..7c042c7 100644
--- a/application/tom_modem/src/ttydevice.c
+++ b/application/tom_modem/src/ttydevice.c
@@ -132,12 +132,13 @@ int tty_read_keyword(FILE *fdi, char *output, int len, char *key_word, int soft_
     time_t start_time = time(NULL);
     int exitcode = TIMEOUT_WAITING_NEWLINE;
     while (difftime(time(NULL), start_time) < soft_timeout)
-    {
+    {      
+        memset(tmp, 0, LINE_BUF);
         if (fgets(tmp, LINE_BUF, fdi))
         {
             read_flag = 1;
             dbg_msg("%s", tmp);
-            if (output != NULL)
+            if (output != NULL) 
                 msg_len += snprintf(output + msg_len, len - msg_len, "%s", tmp);
 
             if (strncmp(tmp, "OK", 2) == 0 ||
@@ -176,7 +177,7 @@ int tty_read_keyword(FILE *fdi, char *output, int len, char *key_word, int soft_
             }
         }
 #endif
-        usleep(1000);
+        usleep(10000);
     }
     if (read_flag == 0)
     {