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serial_mode isn't a bitmask

Michael Haberler 13 years ago
parent
dd4adad88e
commit
a0aa885d01
1 changed files with 1 additions and 1 deletions
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  1. 1 1
      src/modbus-rtu.c

+ 1 - 1
src/modbus-rtu.c
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@@ -826,7 +826,7 @@ int modbus_rtu_set_serial_mode(modbus_t *ctx, int mode)
 
                 return -1;
 
                 return -1;
 
             }
 
             }
 
 
 
-            ctx_rtu->serial_mode |= MODBUS_RTU_RS485;
 
+            ctx_rtu->serial_mode = MODBUS_RTU_RS485;
 
             return 0;
 
             return 0;
 
         } else if (mode == MODBUS_RTU_RS232) {
 
         } else if (mode == MODBUS_RTU_RS232) {
 
             if (ioctl(ctx->s, TIOCSRS485, &rs485conf) < 0) {
 
             if (ioctl(ctx->s, TIOCSRS485, &rs485conf) < 0) {