/**
* This is the timer interrupt service routine.
*
*/
void rt_hw_timer_handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
#if 0 //USE_STM32_IWDG
/* Reloads IWDG counter with value defined in the reload register */
/* #define KR_KEY_Reload ((uint16_t)0xAAAA) */
IWDG->KR = 0xAAAA;
#endif
#if USE_STM32_WWDG
extern volatile int is_need_fed_wwdg;
if (0 != is_need_fed_wwdg)
WWDG->CR = WWDG_RELOAD_VALUE;
#endif
rt_tick_increase();
#ifdef RT_USING_LWIP
extern void snmp_inc_sysuptime(void);
snmp_inc_sysuptime();
#endif
/* leave interrupt */
rt_interrupt_leave();
}
/**
* This is the OST timer interrupt service routine.
*/
void rt_hw_ost_handler(void)
{
/* increase a OS tick */
rt_tick_increase();
/* clear flag */
REG_OSTFR = 0;
}
void DecrementerPITException(struct pt_regs *regs)
{
/* reset PIT interrupt */
set_tsr(0x08000000);
/* increase a OS Tick */
rt_tick_increase();
}
/**
* This is the timer interrupt service routine.
*
*/
interrupt void cpu_timer2_isr(void)
{
CpuTimer2Regs.TCR.all = 0xC000;
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
void rt_timer_handler(int vector)
{
#ifdef BOARD_DEBUG
rt_kprintf("timer handler, increase a tick\n");
#endif
T0IR |= 0x01; /* clear interrupt flag */
rt_tick_increase();
VICVectAddr = 0; /* Acknowledge Interrupt */
}
/**
* This is the timer interrupt service routine.
*
*/
void SysTick_Handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
/**
* This is the timer interrupt service routine.
*/
void rt_hw_timer_handler()
{
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
/**
* This is the timer interrupt service routine.
*
*/
void rt_hw_timer_handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
rt_hw_interrupt_thread_switch();
}
/**
* This is the timer interrupt service routine.
*/
void rt_hw_timer_handler()
{
unsigned int count;
count = read_c0_compare();
write_c0_compare(count);
write_c0_count(0);
/* increase a OS tick */
rt_tick_increase();
}
/**
* This is the timer interrupt service routine.
*
*/
void SysTick_Handler(void)
{
/* clean timer device pending*/
hal_timer_irq_clear(1);
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
/**
* This is the timer interrupt service routine.
*
*/
void SysTick_Handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
/* tick for HAL Library */
HAL_IncTick();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
/* isr return value: 1, should not be masked, if 0, can be masked */
static int tick_interrupt_isr(void)
{
TRACE("isr: systick enter!\n");
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
TRACE("isr: systick leave!\n");
return 0;
}
/**
* This function will handle rtos timer
*/
void rt_timer_handler(int vector)
{
#ifdef USE_DBGU
if (at91_sys_read(AT91_DBGU + AT91_US_CSR) & 0x1) {
//rt_kprintf("DBGU interrupt occur\n");
rt_serial_handler(1);
}
#endif
if (at91_sys_read(AT91_PIT_SR) & AT91_PIT_PITS) {
unsigned nr_ticks;
/* Get number of ticks performed before irq, and ack it */
nr_ticks = PIT_PICNT(at91_sys_read(AT91_PIT_PIVR));
rt_tick_increase();
}
}
void do_irq(void)
{
unsigned short peri_int_sts;
peri_int_sts = rCPU.periIntrStatus.all;
/* clear peripheral interrupt */
rCPU.periIntrStatus.all |= peri_int_sts;
if (peri_int_sts & 0x0100) { /* timer0 interrupt */
rt_tick_increase();
}
}
/**
* This is the timer interrupt service routine.
* @param vector the irq number for timer
*/
void rt_hw_timer_handler(int vector, void* param)
{
if (AT91C_BASE_PITC->PITC_PISR & 0x01)
{
/* increase a tick */
rt_tick_increase();
/* ack interrupt */
AT91C_BASE_AIC->AIC_EOICR = AT91C_BASE_PITC->PITC_PIVR;
}
else
{
/* end of interrupt */
AT91C_BASE_AIC->AIC_EOICR = 0;
}
}
void rt_systick_handler(void)
{
clear_csr(mie, MIP_MTIP);
// Reset the timer for 3s in the future.
// This also clears the existing timer interrupt.
volatile uint64_t * mtime = (uint64_t*) (CLINT_CTRL_ADDR + CLINT_MTIME);
volatile uint64_t * mtimecmp = (uint64_t*) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
uint64_t now = *mtime;
uint64_t then = now + 2 * RTC_FREQ/RT_TICK_PER_SECOND;
*mtimecmp = then;
rt_tick_increase();
// read the current value of the LEDS and invert them.
/*
GPIO_REG(GPIO_OUTPUT_VAL) ^= ((0x1 << RED_LED_OFFSET) |
(0x1 << GREEN_LED_OFFSET) |
(0x1 << BLUE_LED_OFFSET));
*/
// Re-enable the timer interrupt.
set_csr(mie, MIP_MTIP);
}
void rt_timer_handler(int vector, void* param)
{
T0IR |= 0x01; /* clear interrupt flag */
rt_tick_increase();
VICVectAddr = 0; /* Acknowledge Interrupt */
}
static void rt_hw_timer_isr(int vector, void *param)
{
rt_tick_increase();
epit_get_compare_event(HW_EPIT1);
}
static void rt_timer_handler(int vector, void *param)
{
rt_tick_increase();
}
static void rt_hw_timer_isr(int vector, void *param)
{
arc_timer_int_clear(BOARD_OS_TIMER_ID);
rt_tick_increase();
}
