void CSP_IntVectDeref (CSP_INT_VECT *p_vect)
{
#if (CSP_CFG_INT_ISR_ARG_EN == DEF_ENABLED)
void *p_int_arg;
#endif
CPU_FNCT_PTR int_isr_fnct;
#if (CSP_CFG_INT_ISR_EXEC_MEAS_EN == DEF_ENABLED) && \
(CPU_CFG_TS_EN == DEF_ENABLED)
CPU_TS ts;
CPU_SR_ALLOC();
#endif
int_isr_fnct = p_vect->FnctPtr;
#if (CSP_CFG_INT_ISR_ARG_EN == DEF_ENABLED)
p_int_arg = p_vect->ArgPtr;
#endif
if (int_isr_fnct != (CPU_FNCT_PTR)0) {
#if (CSP_CFG_INT_ISR_EXEC_MEAS_EN == DEF_ENABLED) && \
(CPU_CFG_TS_EN == DEF_ENABLED)
ts = CPU_TS_Get32(); /* Get current time stamp. */
#endif
#if (CSP_CFG_INT_NESTING_EN == DEF_ENABLED)
CPU_IntEn();
#endif
#if (CSP_CFG_INT_ISR_ARG_EN == DEF_ENABLED)
(*int_isr_fnct)(p_int_arg); /* Call interrupt handler */
#else
(*int_isr_fnct)((void *)0); /* Call interrupt handler (default argument) */
#endif
#if (CSP_CFG_INT_NESTING_EN == DEF_ENABLED)
CPU_IntDis();
#endif
#if (CSP_CFG_INT_ISR_EXEC_MEAS_EN == DEF_ENABLED) && \
(CPU_CFG_TS_EN == DEF_ENABLED)
ts = CPU_TS_Get32() - ts; /* Compute delta time between start and end. */
/* Detect peak value */
CPU_CRITICAL_ENTER();
if (p_vect->TimeMax < ts) {
p_vect->TimeMax = ts;
}
p_vect->TimeCur = ts;
CPU_CRITICAL_EXIT();
#endif
}
}
/*CPSR/SPSR:SPSR 只有Arm模式才能识别
b31
N(neg) |Z(Zero) |C(Carry)| V(Over) |Q(饱和) | J | Rsv(b25:b8)| GE[3:0](>=) | E(Endian)| A(禁止abort) | I(禁止IRQ) | F(禁止FIQ) | T(thumb/arm)| mode(usr/FIQ/IRQ/SVC/ABT/UNDEFINE/SYSTEM)
*/
VOID BSP_GlobalIrqIntEnable (VOID)
{
// 清IRQbit使能IRQ全局中断
//OS_CPU_ARM_CONTROL_INT_DIS EQU 0xC0 ; Disable both FIQ and IRQ.
#ifdef USE_CORTEX_M3
CPU_IntEn();
#else
__asm
{
MRS R0, CPSR
BIC R0, R0, #0x80
MSR CPSR_c, R0
}
#endif
}
