static void bms_timer(void *opaque)
{
MouState *s = (MouState*)opaque;
uint8_t irq_bit;
/* Toggle the IRQ line if interrupts are enabled. */
irq_bit = BMS_IRQ_BIT(s->irq);
if (s->port_c & irq_bit)
{
if (!(s->port_c & BMS_CTL_INT_DIS))
PDMDevHlpISASetIrq(s->CTX_SUFF(pDevIns), s->irq, PDM_IRQ_LEVEL_LOW);
s->port_c &= ~irq_bit;
}
else
{
s->port_c |= irq_bit;
if (!(s->port_c & BMS_CTL_INT_DIS))
PDMDevHlpISASetIrq(s->CTX_SUFF(pDevIns), s->irq, PDM_IRQ_LEVEL_HIGH);
}
/* Handle enabling/disabling of the mouse interface. */
if (s->port_c & BMS_CTL_INT_DIS)
{
if (s->disable_counter)
--s->disable_counter;
if (s->disable_counter == 0 && s->mouse_enabled)
{
s->mouse_enabled = false;
bms_update_downstream_status(s);
}
}
else
{
s->disable_counter = 8; /* Re-arm the disable countdown. */
if (!s->mouse_enabled)
{
s->mouse_enabled = true;
bms_update_downstream_status(s);
}
}
}
LogRel3(("%s: dx=%d, dy=%d, dz=%d, dw=%d, buttons_state=0x%x\n",
__PRETTY_FUNCTION__, dx, dy, dz, dw, buttons_state));
/* Only record X/Y movement and buttons. */
pThis->mouse_dx += dx;
pThis->mouse_dy += dy;
pThis->mouse_buttons = buttons_state;
}
static DECLCALLBACK(void) bmsTimerCallback(PPDMDEVINS pDevIns, PTMTIMER pTimer, void *pvUser)
{
MouState *pThis = PDMINS_2_DATA(pDevIns, MouState *);
uint8_t irq_bit;
/* Toggle the IRQ line if interrupts are enabled. */
irq_bit = BMS_IRQ_BIT(pThis->irq);
if (pThis->port_c & irq_bit)
{
if (!(pThis->port_c & BMS_CTL_INT_DIS))
PDMDevHlpISASetIrq(pThis->CTX_SUFF(pDevIns), pThis->irq, PDM_IRQ_LEVEL_LOW);
pThis->port_c &= ~irq_bit;
}
else
{
pThis->port_c |= irq_bit;
if (!(pThis->port_c & BMS_CTL_INT_DIS))
PDMDevHlpISASetIrq(pThis->CTX_SUFF(pDevIns), pThis->irq, PDM_IRQ_LEVEL_HIGH);
}
/* Handle enabling/disabling of the mouse interface. */
