Added Bar graph LED Blink example

.gitignore

@@ -89,6 +89,7 @@ _deps
 *-prefix/
 
 ### vscode ###
+.vscode/
 .vscode/*
 !.vscode/settings.json
 !.vscode/tasks.json

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020 Society Of Robotics and Automation
+Copyright (c) 2020 Society of Robotics and Automation
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

blink_bar_graph_led/.gitignore

@@ -0,0 +1,3 @@
+build/
+sdkconfig
+sdkconfig.old

blink_bar_graph_led/CMakeLists.txt

@@ -0,0 +1,7 @@
+# The following lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.5)
+
+set(EXTRA_COMPONENT_DIRS ../components)
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(blink_bar_graph_led)

blink_bar_graph_led/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Society of Robotics and Automation
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

blink_bar_graph_led/main/CMakeLists.txt

@@ -0,0 +1,8 @@
+# Edit following two lines to set component requirements (see docs)
+set(COMPONENT_REQUIRES )
+set(COMPONENT_PRIV_REQUIRES )
+
+set(COMPONENT_SRCS "main.c")
+set(COMPONENT_ADD_INCLUDEDIRS "")
+
+register_component()

blink_bar_graph_led/main/component.mk

@@ -0,0 +1,8 @@
+#
+# Main component makefile.
+#
+# This Makefile can be left empty. By default, it will take the sources in the 
+# src/ directory, compile them and link them into lib(subdirectory_name).a 
+# in the build directory. This behaviour is entirely configurable,
+# please read the ESP-IDF documents if you need to do this.
+#

blink_bar_graph_led/main/main.c

@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "sra_board.h"
+
+void app_main()
+{
+    ESP_ERROR_CHECK(enable_bar_graph());
+
+    while(1)
+    {
+        for (int i = 0; i < 5; i++)
+        {
+            ESP_ERROR_CHECK(set_bar_graph(0xFF));
+            vTaskDelay(1000 / portTICK_RATE_MS);
+            ESP_ERROR_CHECK(set_bar_graph(0x00));
+            vTaskDelay(1000 / portTICK_RATE_MS);
+        }
+
+        uint8_t var = 0x01;
+
+        while(1)
+        {
+            if (var == 0x00)
+            {
+                var = 0x01;
+            }
+
+            ESP_ERROR_CHECK(set_bar_graph(var));
+            var = var << 1;
+            vTaskDelay(1000 / portTICK_PERIOD_MS);
+        }
+    }
+}