Nintendo DS Lite >> C/C++

Input (DPad)

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參考資訊：
1. libnds doc

說明：

API
void scanKeys(void)
uint32 keysDown(void)

按鍵：

typedef enum KEYPAD_BITS {
  KEY_A      = BIT(0),  //!< Keypad A button.
  KEY_B      = BIT(1),  //!< Keypad B button.
  KEY_SELECT = BIT(2),  //!< Keypad SELECT button.
  KEY_START  = BIT(3),  //!< Keypad START button.
  KEY_RIGHT  = BIT(4),  //!< Keypad RIGHT button.
  KEY_LEFT   = BIT(5),  //!< Keypad LEFT button.
  KEY_UP     = BIT(6),  //!< Keypad UP button.
  KEY_DOWN   = BIT(7),  //!< Keypad DOWN button.
  KEY_R      = BIT(8),  //!< Right shoulder button.
  KEY_L      = BIT(9),  //!< Left shoulder button.
  KEY_X      = BIT(10), //!< Keypad X button.
  KEY_Y      = BIT(11), //!< Keypad Y button.
  KEY_TOUCH  = BIT(12), //!< Touchscreen pendown.
  KEY_LID    = BIT(13)  //!< Lid state.
} KEYPAD_BITS;

main.c

#include <nds.h>
#include <stdio.h>

int main(void)
{
    u16 key = 0;

    consoleDemoInit();
    while (1) {
        scanKeys();
        key = keysDown();
        if (key) {
            iprintf("\033[2J");
            printf("0x%x\n", key);
        }
    }
    return 0;
}

完成

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