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TMS320F280049C: 於中斷程式中,如何允許可最優先程式中斷之設定

Part Number: TMS320F280049C


之前於中斷程式中,允許可最優先程式中斷,有如下設定:

// Set interrupt priority nesting:
volatile Uint16 TempPIEIER = PieCtrlRegs.PIEIER3.all;
IER |= M_INT3;
IER &= MINT3; // Set "global" priority
PieCtrlRegs.PIEIER3.all &= MINT3; // Set "group" PIE: Group 3 interrupt 1
PieCtrlRegs.PIEACK.all = 0xFFFF; // Enable PIE interrupts
EINT;

現多採TI libraries設定功能,是否要有可搶慢中斷程式之最優先中斷程式,請教要如何設定?