BOOL Button_pwrbtn_set_interrupt_method(EINT_SIGNAL_METHOD eMethod)
{
BOOL bRet =TRUE;
BTN_MSG((_T("[BTN] Button_pwrbtn_set_interrupt_method(%d)\n\r"), eMethod));
// Power Button -> GPN[11] : EINT11
switch(eMethod)
{
case EINT_SIGNAL_LOW_LEVEL:
g_pGPIOReg->EINT0CON0 &= ~(0x7<<20);
break;
case EINT_SIGNAL_HIGH_LEVEL:
g_pGPIOReg->EINT0CON0 = (g_pGPIOReg->EINT0CON0 & ~(0x7<<20)) | (0x1<<20);
break;
case EINT_SIGNAL_FALL_EDGE:
g_pGPIOReg->EINT0CON0 = (g_pGPIOReg->EINT0CON0 & ~(0x7<<20)) | (0x2<<20);
break;
case EINT_SIGNAL_RISE_EDGE:
g_pGPIOReg->EINT0CON0 = (g_pGPIOReg->EINT0CON0 & ~(0x7<<20)) | (0x4<<20);
break;
case EINT_SIGNAL_BOTH_EDGE:
g_pGPIOReg->EINT0CON0 = (g_pGPIOReg->EINT0CON0 & ~(0x7<<20)) | (0x6<<20);
break;
default:
BTN_ERR((_T("[BTN:ERR] Button_pwrbtn_set_interrupt_method() : Unknown Method = %d\n\r"), eMethod));
bRet = FALSE;
break;
}
BTN_MSG((_T("[BTN] --Button_pwrbtn_set_interrupt_method() = %d\n\r"), bRet));
return bRet;
}
BOOL Button_pwrbtn_set_filter_method(EINT_FILTER_METHOD eMethod, unsigned int uiFilterWidth)
{
BOOL bRet =TRUE;
BTN_MSG((_T("[BTN] Button_pwrbtn_set_filter_method(%d, %d)\n\r"), eMethod, uiFilterWidth));
// Power Button -> GPN[11] : EINT11
switch(eMethod)
{
case EINT_FILTER_DISABLE:
g_pGPIOReg->EINT0FLTCON1 &= ~(0x1<<15);
break;
case EINT_FILTER_DELAY:
g_pGPIOReg->EINT0FLTCON1 = (g_pGPIOReg->EINT0FLTCON1 & ~(0x3<<14)) | (0x1<<15);
break;
case EINT_FILTER_DIGITAL:
g_pGPIOReg->EINT0FLTCON1 = (g_pGPIOReg->EINT0FLTCON1 & ~(0xff<<8)) | ((0x3<<14) | ((uiFilterWidth&0x3f)<<8));
break;
default:
BTN_ERR((_T("[BTN:ERR] Button_pwrbtn_set_filter_method() : Unknown Method = %d\n\r"), eMethod));
bRet = FALSE;
break;
}
BTN_MSG((_T("[BTN] --Button_pwrbtn_set_filter_method() = %d\n\r"), bRet));
return bRet;
}
void Button_rstbtn_clear_interrupt_pending(void)
{
BTN_MSG((_T("[BTN] Button_rstbtn_clear_interrupt_pending()\n\r")));
// Reset Button -> GPN[9] : EINT9
g_pGPIOReg->EINT0PEND = (0x1<<9); // Clear pending EINT9
}
void Button_rstbtn_disable_interrupt(void)
{
BTN_MSG((_T("[BTN] Button_rstbtn_disable_interrupt()\n\r")));
// Reset Button -> GPN[9] : EINT9
g_pGPIOReg->EINT0MASK |= (0x1<<9); // Mask EINT9
}
void Button_pwrbtn_clear_interrupt_pending(void)
{
BTN_MSG((_T("[BTN] Button_pwrbtn_clear_interrupt_pending()\n\r")));
// Power Button -> GPN[11] : EINT11
g_pGPIOReg->EINT0PEND = (0x1<<11); // Clear pending EINT11
}
void Button_pwrbtn_disable_interrupt(void)
{
BTN_MSG((_T("[BTN] Button_pwrbtn_disable_interrupt()\n\r")));
// Power Button -> GPN[11] : EINT11
g_pGPIOReg->EINT0MASK |= (0x1<<11); // Mask EINT11
}
void Button_port_initialize(void)
{
BTN_MSG((_T("[BTN] Button_port_initialize()\n\r")));
// Power Button -> GPN[11] : EINT11
// Reset Button -> GPN[9] : EINT9 / ADDR_CF[1]
g_pGPIOReg->GPNCON = (g_pGPIOReg->GPNCON & ~((0x3<<18)|(0x3<<22))) | ((0x2<<18)|(0x2<<22)); // GPN[9] to EINT9, GPN[11] to EINT11
g_pGPIOReg->GPNPUD = (g_pGPIOReg->GPNPUD & ~((0x3<<18)|(0x3<<22))) | ((0x2<<18)|(0x2<<22)); // GPN[9], GPN[11] set Pull-up Enable
}
BOOL Button_initialize_register_address(void *pGPIOReg)
{
BTN_MSG((_T("[BTN]++Button_initialize_register_address(0x%08x)\n\r"), pGPIOReg));
if (pGPIOReg == NULL)
{
BTN_ERR((_T("[BTN:ERR] Button_initialize_register_address() : NULL pointer parameter\n\r")));
return FALSE;
}
else
{
g_pGPIOReg = (S3C6400_GPIO_REG *)pGPIOReg;
BTN_INF((_T("[BTN:INF] g_pGPIOReg = 0x%08x\n\r"), g_pGPIOReg));
}
BTN_MSG((_T("[BTN]--Button_initialize_register_address()\n\r")));
return TRUE;
}
BOOL Button_rstbtn_is_pushed(void)
{
BTN_MSG((_T("[BTN] Button_rstbtn_is_pushed()\n\r")));
// Reset Button -> GPN[9] : EINT9
if (g_pGPIOReg->GPNDAT & (0x1<<9)) // We can read GPDAT pin level when configured as EINT
{
return FALSE; // Low Active Switch (Pull-up switch)
}
else
{
return TRUE;
}
}
