EEPW论坛

// USB DEVICE
#ifdef __BIG_ENDIAN
<ERROR IF BIG_ENDIAN>
#define rFUNC_ADDR_REG (*(volatile unsigned char *)0x52000143) //Function address
#define rPWR_REG (*(volatile unsigned char *)0x52000147) //Power management
#define rEP_INT_REG (*(volatile unsigned char *)0x5200014b) //EP Interrupt pending and clear
#define rUSB_INT_REG (*(volatile unsigned char *)0x5200015b) //USB Interrupt pending and clear
#define rEP_INT_EN_REG (*(volatile unsigned char *)0x5200015f) //Interrupt enable
#define rUSB_INT_EN_REG (*(volatile unsigned char *)0x5200016f)

中<ERROR IF BIG_ENDIAN>是什么意思呢?干什么用的,不明白