DSP281x_examples.zip_mcbsp_spi_loopback

// TI File $Revision: /main/5 $ // Checkin $Date: July 2, 2007 11:27:20 $ //########################################################################### // // FILE: Example_281xSWPrioritizedDefaultIsr.c // // TITLE: DSP281x Device Default Software Prioritized Interrupt Service Routines. // // This file is based on the standard Example_28xSWPrioritizedDefaultIsr.c // // The ISR routines have been modified slightly to provide a trace // mechanism used for this example // //########################################################################### // $TI Release: DSP281x Header Files V1.11 $ // $Release Date: September 26, 2007 $ //########################################################################### #include "DSP281x_Device.h" // DSP281x Headerfile Include File #include "DSP281x_Examples.h" // DSP281x Examples Include File // Defined in the Example_28xSWPrioritizedInterrupts.c file // for this example only extern Uint16 ISRTrace[50]; extern Uint16 ISRTraceIndex; // Used for ISR delays Uint16 i; //--------------------------------------------------------------------------- // XINT13, TINT2, NMI, XINT1, XINT2 Default ISRs: //--------------------------------------------------------------------------- // // Connected to INT13 of CPU (use MINT13 mask): #if (INT13PL != 0) interrupt void INT13_ISR(void) // XINT13 { IER |= MINT13; // Set "global" priority EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } #endif // Connected to INT14 of CPU (use MINT14 mask): #if (INT14PL != 0) interrupt void INT14_ISR(void) // CPU-Timer2 { IER |= MINT14; // Set "global" priority EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } #endif // Connected to NMI of CPU (non-maskable): interrupt void NMI_ISR(void) // Non-maskable interrupt { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } // Connected to PIEIER1_4 (use MINT1 and MG14 masks): #if (G14PL != 0) interrupt void XINT1_ISR(void) { // Set interrupt priority: volatile Uint16 TempPIEIER = PieCtrlRegs.PIEIER1.all; IER |= MINT1; // Set "global" priority IER &= MINT1; PieCtrlRegs.PIEIER1.all &= MG14; // Set "group" priority PieCtrlRegs.PIEACK.all = 0xFFFF; // Enable PIE interrupts EINT; // Insert ISR Code here....... asm(" NOP"); // Restore registers saved: DINT; PieCtrlRegs.PIEIER1.all = TempPIEIER; // Add ISR to Trace ISRTrace[ISRTraceIndex] = 0x0014; ISRTraceIndex++; } #endif // Connected to PIEIER1_5 (use MINT1 and MG15 masks): #if (G15PL != 0) interrupt void XINT2_ISR(void) { // Set interrupt priority: volatile Uint16 TempPIEIER = PieCtrlRegs.PIEIER1.all; IER |= MINT1; // Set "global" priority IER &= MINT1; PieCtrlRegs.PIEIER1.all &= MG15; // Set "group" priority PieCtrlRegs.PIEACK.all = 0xFFFF; // Enable PIE interrupts EINT; // Insert ISR Code here....... for(i = 1; i <= 10; i++) {} // Restore registers saved: DINT; PieCtrlRegs.PIEIER1.all = TempPIEIER; // Add ISR to Trace ISRTrace[ISRTraceIndex] = 0x0015; ISRTraceIndex++; } #endif //--------------------------------------------------------------------------- // DATALOG, RTOSINT, EMUINT Default ISRs: //--------------------------------------------------------------------------- // // Connected to INT15 of CPU (use MINT15 mask): #if (INT15PL != 0) interrupt void DATALOG_ISR(void) // Datalogging interrupt { IER |= MINT15; // Set "global" priority EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } #endif // Connected to INT16 of CPU (use MINT16 mask): #if (INT16PL != 0) interrupt void RTOSINT_ISR(void) // RTOS interrupt { IER |= MINT16; // Set "global" priority EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } #endif // Connected to EMUINT of CPU (non-maskable): interrupt void EMUINT_ISR(void) // Emulation interrupt { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } //--------------------------------------------------------------------------- // ILLEGAL Instruction Trap ISR: // interrupt void ILLEGAL_ISR(void) // Illegal operation TRAP { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } //--------------------------------------------------------------------------- // USER Traps Default ISRs: // interrupt void USER1_ISR(void) // User Defined trap 1 { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } interrupt void USER2_ISR(void) // User Defined trap 2 { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } interrupt void USER3_ISR(void) // User Defined trap 3 { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } interrupt void USER4_ISR(void) // User Defined trap 4 { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } interrupt void USER5_ISR(void) // User Defined trap 5 { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } interrupt void USER6_ISR(void) // User Defined trap 6 { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } interrupt void USER7_ISR(void) // User Defined trap 7 { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } interrupt void USER8_ISR(void) // User Defined trap 8 { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } interrupt void USER9_ISR(void) // User Defined trap 9 { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } interrupt void USER10_ISR(void) // User Defined trap 10 { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } interrupt void USER11_ISR(void) // User Defined trap 11 { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } interrupt void USER12_ISR(void) // User Defined trap 12 { EINT; // Insert ISR Code here....... // Next line for debug only (remove after inserting ISR Code): ESTOP0; } //--------------------------------------------------------------------------- // ADC Default ISR: // // Connected to PIEIER1_6 (use MINT1 and MG16 masks): #if (G16PL != 0) interrupt void ADCINT_ISR(void) // ADC { // Set interrupt priority: volatile Uint16 TempPIEIER = PieCtrlRegs.PIEIER1.all; IER |= M_INT1; IER &= MINT1; // Set "global" priority PieCtrlRegs.PIEIER1.all &= MG16; // Set "group" priority PieCtrlRegs.PIEACK.all = 0xFFFF; // Enable PIE interrupts EINT; // Insert ISR Code here....... for(i = 1; i <= 10; i++) {} // Restore registers saved: DINT;