Added and tested GPIO class

code/main/src/gpio.cpp

@@ -17,9 +17,9 @@
 // Include files
 // --------------------------------------------------------------------------------------------------------------------
 
+#include <gpio.h>
 #include "driver/gpio.h"
 
-#include "gpio.h"
 
 
 // --------------------------------------------------------------------------------------------------------------------
@@ -50,14 +50,68 @@
 // --------------------------------------------------------------------------------------------------------------------
 
 
-bool GPIO::GPIO(int number, GPIO_Direction_t direction)
+
+GPIO::GPIO(int number, GPIO_Direction_t direction)
 {
    this->number = number;
    this->direction = direction;
 
-   return true;
+
+   //zero-initialize the config structure.
+   gpio_config_t io_conf = {};
+   //disable interrupt
+   io_conf.intr_type = GPIO_INTR_DISABLE;
+   //set as output mode
+   io_conf.mode = (this->direction == GPIO_DIRECTION_OUTPUT) ? GPIO_MODE_OUTPUT : GPIO_MODE_INPUT;
+   //bit mask of the pins that you want to set
+   io_conf.pin_bit_mask = (1ULL << this->number);
+   //disable pull-down mode
+   io_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
+   //disable pull-up mode
+   io_conf.pull_up_en = GPIO_PULLUP_DISABLE;
+   //configure GPIO with the given settings
+   ESP_ERROR_CHECK(gpio_config(&io_conf));
+
+}
+
+
+bool GPIO::SetOutput(GPIO_Value_t value)
+{
+   bool returnValue = false;
+
+   if (this->direction == GPIO_DIRECTION_OUTPUT)
+   {
+      ESP_ERROR_CHECK(gpio_set_level((gpio_num_t)this->number, (uint32_t)value));
+      this->value = value;
+      returnValue = true;
+   }
+   else
+   {
+      returnValue = false;
+   }
+
+   return returnValue;
+}
+
+GPIO_Value_t GPIO::GetInput(void)
+{
+   if (gpio_get_level((gpio_num_t)this->number))
+   {
+      this->value = GPIO_VALUE_HIGH;
+   }
+   else
+   {
+      this->value = GPIO_VALUE_LOW;
+   }
+
+   return this->value;
 }
 
 
 
 
+
+
+
+
+