你好，CH569不能进入SysTick中断，请问是什么原因？谢谢！
代码如下：
__attribute__((interrupt("WCH-Interrupt-fast")))void SysTick_Handler()
{
SysTick->CTLR = 0;
SysTick->CNTFG &= ~(1<<1);
SysTick->CTLR = (1<<8)|(1<<0) | (1<1); // enable interrupt
PRINT("SysTick_Handler\r\n");
return;
}
/*******************************************************************************
* @fn
*
* @brief .
*
* @param
*
* @return None
*/
void SysTickInit()
{
// only use low 32-bit counter;
SysTick->CTLR = 0;
SysTick->CMP = 0xFFFFFF;
SysTick->CTLR = (1<<8)|(1<<0)|(1<1); // enable interrupt
PFIC_EnableIRQ(SysTick_IRQn);
return;
}
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CH592: RISC-V内核BLE5.4无线MCU
