void can_irq_set(can_t *obj, CanIrqType type, uint32_t enable) {
__IO uint32_t *dmy_ctr;
/* Wake-up Irq is not supported */
if (type != IRQ_WAKEUP) {
if (enable) {
dmy_ctr = CTR_MATCH[obj->ch];
if (type == IRQ_ERROR) {
/* EWIE interrupts is enable */
*dmy_ctr |= 0x00000200;
} else if (type == IRQ_OVERRUN) {
/* OLIE interrupts is enable */
*dmy_ctr |= 0x00002000;
} else if (type == IRQ_PASSIVE) {
/* EPIE interrupts is enable */
*dmy_ctr |= 0x00000400;
} else if (type == IRQ_ARB) {
/* ALIE interrupts is enable */
*dmy_ctr |= 0x00008000;
} else if (type == IRQ_BUS) {
/* BEIE interrupts is enable */
*dmy_ctr |= 0x00000100;
}
InterruptHandlerRegister(can_int_info[obj->ch][type].int_num, can_int_info[obj->ch][type].handler);
GIC_SetPriority(can_int_info[obj->ch][type].int_num, 5);
GIC_SetConfiguration(can_int_info[obj->ch][type].int_num, 1);
GIC_EnableIRQ(can_int_info[obj->ch][type].int_num);
} else {
GIC_DisableIRQ(can_int_info[obj->ch][type].int_num);
}
}
}
void lp_ticker_init(void)
{
GIC_DisableIRQ(LP_TICKER_TIMER_IRQn);
GIC_ClearPendingIRQ(LP_TICKER_TIMER_IRQn);
/* Power Control for Peripherals */
mtu2_init();
if (lp_ticker_inited) return;
lp_ticker_inited = 1;
MTU2TCR = MTU2_TCR_TPSC;
MTU2TSTR |= MTU2_TSTR_CST;
MTU2TIER |= MTU2_TIER_n_TGIEA;
// INTC settings
InterruptHandlerRegister(LP_TICKER_TIMER_IRQn, (void (*)(uint32_t))lp_ticker_irq_handler);
GIC_SetPriority(LP_TICKER_TIMER_IRQn, 5);
GIC_SetConfiguration(LP_TICKER_TIMER_IRQn, 3);
}
void us_ticker_init(void)
{
GIC_DisableIRQ(OSTMI1TINT_IRQn);
GIC_ClearPendingIRQ(OSTMI1TINT_IRQn);
/* Power Control for Peripherals */
CPGSTBCR5 &= ~(CPG_STBCR5_BIT_MSTP50); /* enable OSTM1 clock */
if (us_ticker_inited) return;
us_ticker_inited = 1;
// timer settings
OSTM1TT = 0x01; /* Stop the counter and clears the OSTM1TE bit. */
OSTM1CTL = 0x02; /* Free running timer mode. Interrupt disabled when star counter */
OSTM1TS = 0x1; /* Start the counter and sets the OSTM0TE bit. */
// INTC settings
InterruptHandlerRegister(OSTMI1TINT_IRQn, (void (*)(uint32_t))us_ticker_irq_handler);
GIC_SetPriority(OSTMI1TINT_IRQn, 5);
GIC_SetConfiguration(OSTMI1TINT_IRQn, 3);
}
