kpp.c

来自「A few drivers for the Motorola C380 s ce」· C语言 代码 · 共 18 行

/*
   Neptune LTE Keypad Port Driver
   ----------------------------
   (c) DmT, motoprogger 2008
*/
#include "../libs/motolibs.h"

#define KPP_BASE 0x2484E000
#define KPP_KEYPAD_CONTROL_REGISTER hword_ptr(KPP_BASE+0x000)
#define KPP_KEYPAD_STATUS_REGISTER hword_ptr(KPP_BASE+0x002)
#define KPP_KEYPAD_DATA_DIRECTION_REGISTER hword_ptr(KPP_BASE+0x004)
#define KPP_KEYPAD_DATA_REGISTER hword_ptr(KPP_BASE+0x006)

hword kpp_peek(void)
{
        return KPP_KEYPAD_DATA_REGISTER;
}