vivi-stage2-step2

30 void init_time(void)
 31 {
 32 TCFG0 = (TCFG0_DZONE(0) | TCFG0_PRE1(15) | TCFG0_PRE0(0));
 33 }

int ret;
ret = board_init();
GPFDAT = 0X20;
if (ret)
{
    putstr("Failed a board_init() procedure\r\n");
    error();
}

static void error(void)
{
    purstr("Sorry. We can not run vivi\n");
    for(; ;);
    /* Infinite loop */
}

int board_init(void)
{
    /*
     *set the timer register:
     *the dead zone0 and the prescaler of timer0,1,2,3,4
     */
    init_time();
    set_gpios();
    /*if success, then return 0*/
    return 0;
    /**/
}

void init_time(void)
{
    TCFG0 = (TCFG0_DZONE(0) | TCFG0_PRE1(15) | TCFG0_PRE0(0));
}

void set_gpios(void)
{
    GPACON = vGPACON;
    GPBCON = vGPBCON;
    GPBUP = vGPBUP;
    GPCCON = vGPCCON;
    GPCUP = vGPCUP;
    GPDCON = vGPDCON;
    GPDUP = vGPDUP;
    GPECON = vGPECON;
    GPEUP = vGPEUP;
    /* port F[7:4]as the output port, and the bit[3:0]as the extint port */
    GPFCON = vGPFCON;
    GPFUP = vGPFUP;
    GPGCON = vGPGCON;
    GPGUP = vGPGUP;
    GPHCON = vGPHCON;
    GPHUP = vGPHUP;
    EXTINT0 = vEXTINT0;
    EXTINT1 = vEXTINT1;
    EXTINT2 = vEXTINT2;
}