Add line numbers to examples

docs/api-reference/apps/index.rst

@@ -4,7 +4,7 @@ Applications
 ============
 
 .. toctree::
-	:maxdepth: 2
-	:glob:
+    :maxdepth: 2
+    :glob:
 
-	*
+    *

docs/api-reference/apps/mqtt_client.rst

@@ -7,6 +7,7 @@ MQTT client v3.1.1 implementation, based on callback (non-netconn) connection AP
 
 .. literalinclude:: ../../../snippets/mqtt_client.c
     :language: c
+    :linenos:
     :caption: MQTT application example code
 
 .. doxygengroup:: ESP_APP_MQTT_CLIENT

docs/api-reference/apps/mqtt_client_api.rst

@@ -7,6 +7,7 @@ MQTT Client API
 
 .. literalinclude:: ../../../snippets/mqtt_client_api.c
     :language: c
+    :linenos:
     :caption: MQTT API application example code
 
 .. doxygengroup:: ESP_APP_MQTT_CLIENT_API

docs/api-reference/apps/netconn.rst

@@ -33,6 +33,7 @@ Each time new packet is received (red block, *data received event*), reference t
 
 .. literalinclude:: ../../../snippets/netconn_client.c
     :language: c
+    :linenos:
     :caption: Netconn client example
 
 Netconn server
@@ -67,7 +68,8 @@ It waits for client and processes it in blocking mode.
     Check netconn concurrency option to process multiple clients at the same time
 
 .. literalinclude:: ../../../snippets/netconn_server_1thread.c
-	:language: c
+    :language: c
+    :linenos:
     :caption: Netconn server with single processing thread
 
 Netconn server concurrency
@@ -90,7 +92,8 @@ Every time *server application thread* (green block) gets new client to process,
 * Higher memory footprint is necessary as there are multiple threads active
 
 .. literalinclude:: ../../../snippets/netconn_server.c
-	:language: c
+    :language: c
+    :linenos:
     :caption: Netconn server with multiple processing threads
 
 Non-blocking receive

docs/api-reference/esp/conn.rst

@@ -27,8 +27,9 @@ Example below shows *bare minimum* implementation to:
 * Process received data in event and print number of received bytes 
 
 .. literalinclude:: ../../../snippets/client.c
-	:language: c
-	:caption: Client connection minimum example
+    :language: c
+    :linenos:
+    :caption: Client connection minimum example
 
 Sending data
 ^^^^^^^^^^^^
@@ -54,8 +55,9 @@ Temporary buffer hence prevents many *send command* instructions as it is faster
 than many of them with smaller chunks of bytes.
 
 .. literalinclude:: ../../examples_src/conn_write.c
-	:language: c
-	:caption: Write data to connection output buffer
+    :language: c
+    :linenos:
+    :caption: Write data to connection output buffer
 
 Transmit packet manually
 ************************

docs/api-reference/esp/debug.rst

@@ -28,10 +28,12 @@ An example code with config and latter usage:
 
 .. literalinclude:: ../../examples_src/debug_config.h
     :language: c
+    :linenos:
     :caption: Debug configuration setup
 
 .. literalinclude:: ../../examples_src/debug.c
     :language: c
+    :linenos:
     :caption: Debug usage within middleware
 
 .. doxygengroup:: ESP_DEBUG

docs/api-reference/esp/pbuf.rst

@@ -113,6 +113,7 @@ An example code showing proper usage of concat operation:
 
 .. literalinclude:: ../../examples_src/pbuf_cat.c
     :language: c
+    :linenos:
     :caption: Packet buffer concat example
 
 Chain operation
@@ -137,6 +138,7 @@ An example code showing proper usage of chain operation:
 
 .. literalinclude:: ../../examples_src/pbuf_chain.c
     :language: c
+    :linenos:
     :caption: Packet buffer chain example
 
 Extract pbuf data
@@ -148,7 +150,8 @@ It is necessary to process block by block manually.
 An example code showing proper reading of any *pbuf*:
 
 .. literalinclude:: ../../examples_src/pbuf_extract.c
-	:language: c
+    :language: c
+    :linenos:
     :caption: Packet buffer data extraction
 
 .. doxygengroup:: ESP_PBUF

docs/api-reference/esp/sntp.rst

@@ -8,6 +8,7 @@ It is support through middleware API calls for configuring servers and reading a
 
 .. literalinclude:: ../../../snippets/sntp.c
     :language: c
+    :linenos:
     :caption: Minimum SNTP example
 
 .. doxygengroup:: ESP_SNTP

docs/api-reference/esp/sta.rst

@@ -11,6 +11,7 @@ try to connect to AP from list of preferred one.
 
 .. literalinclude:: ../../../snippets/station_manager.c
     :language: c
+    :linenos:
     :caption: Station manager used with all examples
 
 .. doxygengroup:: ESP_STA

docs/get-started/index.rst

@@ -69,4 +69,5 @@ This file shall be named ``esp_config.h`` and its default template looks like th
 
 .. literalinclude:: ../../esp_at_lib/src/include/esp/esp_config_template.h
     :language: c
+    :linenos:
     :caption: Config file template

docs/user-manual/blocking-nonblocking.rst

@@ -24,6 +24,7 @@ Example code:
 
 .. literalinclude:: ../examples_src/command_blocking.c
     :language: c
+    :linenos:
     :caption: Blocking command example
 
 Non-blocking mode
@@ -40,6 +41,7 @@ Example code:
 
 .. literalinclude:: ../examples_src/command_nonblocking.c
     :language: c
+    :linenos:
     :caption: Non-blocking command example
 
 .. warning::
@@ -50,6 +52,7 @@ Example of a bad code:
 
 .. literalinclude:: ../examples_src/command_nonblocking_bad.c
     :language: c
+    :linenos:
     :caption: Example of bad usage of non-blocking command
 
 .. toctree::

docs/user-manual/events-cb-fn.rst

@@ -49,6 +49,7 @@ custom, event function.
 
 .. literalinclude:: ../../esp_at_lib/src/api/esp_netconn.c
     :language: c
+    :linenos:
     :caption: Netconn API module actual implementation
 
 Connection specific event
@@ -68,6 +69,7 @@ Connection events callback function is set for ``2`` cases:
 
 .. literalinclude:: ../../snippets/client.c
     :language: c
+    :linenos:
     :caption: An example of client with its dedicated event callback function
 
 API call event
@@ -89,6 +91,7 @@ used to distinguis domain name (when multiple domains are to be resolved).
 
 .. literalinclude:: ../../snippets/dns.c
     :language: c
+    :linenos:
     :caption: Simple example for API call event, using DNS module
 
 .. toctree::

docs/user-manual/porting-guide.rst

@@ -88,6 +88,7 @@ Notes:
 
 .. literalinclude:: ../../esp_at_lib/src/system/esp_ll_win32.c
     :language: c
+    :linenos:
     :caption: Actual implementation of low-level driver for WIN32
 
 Example: Low-level driver for STM32
@@ -105,28 +106,33 @@ Notes:
 
 .. literalinclude:: ../../esp_at_lib/src/system/esp_ll_stm32.c
     :language: c
+    :linenos:
     :caption: Actual implementation of low-level driver for STM32
 
 Example: System functions for WIN32
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 .. literalinclude:: ../../esp_at_lib/src/include/system/port/win32/esp_sys_port.h
     :language: c
+    :linenos:
     :caption: Actual header implementation of system functions for WIN32
 
 .. literalinclude:: ../../esp_at_lib/src/system/esp_sys_win32.c
     :language: c
+    :linenos:
     :caption: Actual implementation of system functions for WIN32
 
 Example: System functions for CMSIS-OS
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 .. literalinclude:: ../../esp_at_lib/src/include/system/port/cmsis_os/esp_sys_port.h
     :language: c
+    :linenos:
     :caption: Actual header implementation of system functions for CMSIS-OS based operating systems
 
 .. literalinclude:: ../../esp_at_lib/src/system/esp_sys_cmsis_os.c
     :language: c
+    :linenos:
     :caption: Actual implementation of system functions for CMSIS-OS based operating systems
 
 .. toctree::