Added missing API references

Author: pedrominatel

.gitignore

@@ -31,6 +31,8 @@ boards.sloeber.txt
 # Ignore docs build (Sphinx)
 docs/build
 docs/source/_build
+__pycache__/
+_build/
 
 # Test log files
 *.log

docs/source/api/ble.rst

@@ -0,0 +1,27 @@
+###
+BLE
+###
+
+About
+-----
+
+.. note:: This is a work in progress project and this section is still missing.
+
+Examples
+--------
+
+To get started with BLE, you can try: 
+
+BLE Scan
+********
+
+.. literalinclude:: ../../../libraries/BLE/examples/BLE_scan/BLE_scan.ino
+    :language: arduino
+
+BLE UART
+********
+
+.. literalinclude:: ../../../libraries/BLE/examples/BLE_uart/BLE_uart.ino
+    :language: arduino
+
+Complete list of `BLE examples <https://github.com/espressif/arduino-esp32/tree/master/libraries/BLE/examples>`_. 

docs/source/api/bluetooth.rst

@@ -1,3 +1,27 @@
-#############
-Bluetooth API
-#############
+#########
+Bluetooth
+#########
+
+About
+-----
+
+.. note:: This is a work in progress project and this section is still missing.
+
+Examples
+--------
+
+To get started with Bluetooth, you can try: 
+
+Serial To Serial BT
+*******************
+
+.. literalinclude:: ../../../libraries/BluetoothSerial/examples/SerialToSerialBT/SerialToSerialBT.ino
+    :language: arduino
+
+BT Classic Device Discovery
+***************************
+
+.. literalinclude:: ../../../libraries/BluetoothSerial/examples/bt_classic_device_discovery/bt_classic_device_discovery.ino
+    :language: arduino
+
+Complete list of `Bluetooth examples <https://github.com/espressif/arduino-esp32/tree/master/libraries/BluetoothSerial/examples>`_. 

docs/source/api/ethernet.rst

@@ -0,0 +1,27 @@
+########
+Ethernet
+########
+
+About
+-----
+
+.. note:: This is a work in progress project and this section is still missing.
+
+Examples
+--------
+
+To get started with Ethernet, you can try: 
+
+LAN8720
+*******
+
+.. literalinclude:: ../../../libraries/Ethernet/examples/ETH_LAN8720/ETH_LAN8720.ino
+    :language: arduino
+
+TLK110
+******
+
+.. literalinclude:: ../../../libraries/Ethernet/examples/ETH_TLK110/ETH_TLK110.ino
+    :language: arduino
+
+Complete list of `Ethernet examples <https://github.com/espressif/arduino-esp32/tree/master/libraries/Ethernet/examples>`_. 

docs/source/api/hall_sensor.rst

@@ -0,0 +1,14 @@
+###########
+Hall Sensor
+###########
+
+About
+-----
+
+.. note:: This is a work in progress project and this section is still missing.
+
+Example
+-------
+
+.. literalinclude:: ../../../libraries/ESP32/examples/HallSensor/HallSensor.ino
+    :language: arduino

docs/source/api/pulse_counter.rst

@@ -0,0 +1,8 @@
+#############
+Pulse Counter
+#############
+
+About
+-----
+
+.. note:: This peripheral is not supported yet by the Arduino API's.

docs/source/api/rmt.rst

@@ -0,0 +1,20 @@
+###
+RMT
+###
+
+About
+-----
+
+.. note:: This is a work in progress project and this section is still missing.
+
+Example
+-------
+
+RMT Write Neo Pixel
+*******************
+
+.. literalinclude:: ../../../libraries/ESP32/examples/RMT/RMTWriteNeoPixel/RMTWriteNeoPixel.ino
+    :language: arduino
+
+
+Complete list of `RMT examples <https://github.com/espressif/arduino-esp32/tree/master/libraries/ESP32/examples/RMT>`_. 

docs/source/api/sdio.rst

@@ -0,0 +1,8 @@
+####
+SDIO
+####
+
+About
+-----
+
+.. note:: This peripheral is not supported yet by the Arduino API's.

docs/source/api/sdmmc.rst

@@ -0,0 +1,20 @@
+######
+SD MMC
+######
+
+About
+-----
+
+.. note:: This is a work in progress project and this section is still missing.
+
+Example
+-------
+
+SDMMC Test
+**********
+
+.. literalinclude:: ../../../libraries/SD_MMC/examples/SDMMC_Test/SDMMC_Test.ino
+    :language: arduino
+
+
+Complete list of `SD MMC examples <https://github.com/espressif/arduino-esp32/tree/master/libraries/SD_MMC/examples>`_. 

docs/source/api/spi.rst

@@ -0,0 +1,20 @@
+###
+SPI
+###
+
+About
+-----
+
+For some APIs, the reference to be used is the same as the Arduino Core.
+
+Arduino API Reference
+---------------------
+
+`SPI Reference <https://www.arduino.cc/reference/en/language/functions/communication/spi/>`_
+
+`SPI Description <https://docs.arduino.cc/learn/communication/spi>`_
+
+Examples
+--------
+
+Complete list of `SPI examples <https://github.com/espressif/arduino-esp32/tree/master/libraries/SPI/examples>`_.