text: /*!
      \file  gd32f150g_start.h
      \brief definitions for GD32F150G_START's leds, keys and COM ports hardware resources
  
      \version 2016-01-15, V1.0.0, demo for GD32F1x0
      \version 2016-05-13, V2.0.0, demo for GD32F1x0
      \version 2019-11-20, V3.0.0, demo for GD32F1x0
  */
  
  /*
      Copyright (c) 2019, GigaDevice Semiconductor Inc.
  
      Redistribution and use in source and binary forms, with or without modification, 
  are permitted provided that the following conditions are met:
  
      1. Redistributions of source code must retain the above copyright notice, this 
         list of conditions and the following disclaimer.
      2. Redistributions in binary form must reproduce the above copyright notice, 
         this list of conditions and the following disclaimer in the documentation 
         and/or other materials provided with the distribution.
      3. Neither the name of the copyright holder nor the names of its contributors 
         may be used to endorse or promote products derived from this software without 
         specific prior written permission.
  
      THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
  OF SUCH DAMAGE.
  */
  
  #ifndef GD32F150G_START_H
  #define GD32F150G_START_H
  
  #ifdef __cplusplus
   extern "C" {
  #endif
  
  #include "gd32f1x0.h"
  
  /* exported types */
  typedef enum 
  {
      LED1 = 0
  }led_typedef_enum;
  
  typedef enum 
  {
      KEY_USER = 0
  }key_typedef_enum;
  
  typedef enum 
  {
      KEY_MODE_GPIO = 0,
      KEY_MODE_EXTI = 1
  }keymode_typedef_enum;
  
  
  /* eval board low layer led */
  #define LEDn                                (1U)
  
  #define LED1_PIN                            GPIO_PIN_1
  #define LED1_GPIO_PORT                      GPIOA
  #define LED1_GPIO_CLK                       RCU_GPIOA
  
  /* eval board low layer button */  
  #define KEYn                                (1U)
  
  /* wakeup push-button */
  #define USER_KEY_PIN                        GPIO_PIN_0
  #define USER_KEY_GPIO_PORT                  GPIOA
  #define USER_KEY_GPIO_CLK                   RCU_GPIOA
  #define USER_KEY_EXTI_LINE                  EXTI_0
  #define USER_KEY_EXTI_PORT_SOURCE           EXTI_SOURCE_GPIOA
  #define USER_KEY_EXTI_PIN_SOURCE            EXTI_SOURCE_PIN0
  #define USER_KEY_EXTI_IRQn                  EXTI0_1_IRQn
  
  /* function declarations */
  /* configure led GPIO */
  void gd_eval_led_init(led_typedef_enum lednum);
  /* turn on selected led */
  void gd_eval_led_on(led_typedef_enum lednum);
  /* turn off selected led */
  void gd_eval_led_off(led_typedef_enum lednum);
  /* toggle the selected led */
  void gd_eval_led_toggle(led_typedef_enum lednum);
  /* configure key */
  void gd_eval_key_init(key_typedef_enum keynum, keymode_typedef_enum keymode);
  /* return the selected key state */
  uint8_t gd_eval_key_state_get(key_typedef_enum keynum);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* GD32F150G_START_H */
  