Merge commit '71d94b41a9f0e071b41356c47e3af78f78a7c5cc'

* commit '71d94b41a9f0e071b41356c47e3af78f78a7c5cc':
  Fix digital write instead of read
  Define both method styles in C. Alias methods aren't avaialble when top level including
  Define methods in C as snake case instead of camel case

Author: vickash

mrblib/gpio.rb

@@ -8,14 +8,6 @@ module GPIO
     OUTPUT         = ESP32::GPIO_MODE_OUTPUT
     INPUT_OUTPUT   = ESP32::GPIO_MODE_INPUT_OUTPUT
 
-    class << self
-      alias :digital_write :digitalWrite   
-      alias :digital_read  :digitalRead
-      alias :analog_write  :analogWrite   
-      alias :analog_read   :analogRead    
-      alias :pin_mode      :pinMode 
-    end  
-  
     class Pin
       PIN_MODE = {
         pullup:   ESP32::GPIO_MODE_INPUT_PULLUP,

src/gpio.c

@@ -128,6 +128,14 @@ mrb_mruby_esp32_gpio_gem_init(mrb_state* mrb)
   esp32 = mrb_define_module(mrb, "ESP32");
 
   gpio = mrb_define_module_under(mrb, esp32, "GPIO");
+  // Ruby-style snake case methods.
+  mrb_define_module_function(mrb, gpio, "pin_mode", mrb_esp32_gpio_pin_mode, MRB_ARGS_REQ(2));
+  mrb_define_module_function(mrb, gpio, "digital_write", mrb_esp32_gpio_digital_write, MRB_ARGS_REQ(2));
+  mrb_define_module_function(mrb, gpio, "digital_read", mrb_esp32_gpio_digital_read, MRB_ARGS_REQ(1));
+  mrb_define_module_function(mrb, gpio, "analog_write", mrb_esp32_gpio_analog_write, MRB_ARGS_REQ(2));
+  mrb_define_module_function(mrb, gpio, "analog_read", mrb_esp32_gpio_analog_read, MRB_ARGS_REQ(1));
+
+  // Arduino-style camel case methods.
   mrb_define_module_function(mrb, gpio, "pinMode", mrb_esp32_gpio_pin_mode, MRB_ARGS_REQ(2));
   mrb_define_module_function(mrb, gpio, "digitalWrite", mrb_esp32_gpio_digital_write, MRB_ARGS_REQ(2));
   mrb_define_module_function(mrb, gpio, "digitalRead", mrb_esp32_gpio_digital_read, MRB_ARGS_REQ(1));