按照网上的说法，调用了memcpy((uint16_t *)&RamfuncsRunStart,(uint16_t *)&RamfuncsLoadStart, (unsigned long)&RamfuncsLoadSize);
InitFlash();，但是还是进入非法中断
例程是有问题的，
//###########################################################################//// FILE: Example_2803xAdcSoc.c//// TITLE: ADC Start of Conversion example////! \addtogroup f2803x_example_list//! <h1> ADC Start of Conversion (adc_soc)</h1>//!//! This ADC example uses ePWM1 to generate a periodic ADC SOC – ADCINT1.//! Two channels are converted, ADCINA4 and ADCINA2.//!//! \b Watch \b Variables \n//! – Voltage1[10] – Last 10 ADCRESULT0 values//! – Voltage2[10] – Last 10 ADCRESULT1 values//! – ConversionCount – Current result number 0-9//! – LoopCount – Idle loop counter//////###########################################################################// $TI Release: $// $Release Date: $// $Copyright:// Copyright (C) 2009-2025 Texas Instruments Incorporated – http://www.ti.com///// Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met:// // Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer.// // Redistributions in binary form must reproduce the above copyright// notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the // distribution.// // Neither the name of Texas Instruments Incorporated nor the names of// its contributors may be used to endorse or promote products derived// from this software without specific prior written permission.// // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.// $//###########################################################################
//// Included Files//#include "DSP28x_Project.h" // Device Headerfile and Examples Include File
//// Function Prototypes//__interrupt void adc_isr(void);void Adc_Config(void);
//// Global variables//Uint16 LoopCount;Uint16 ConversionCount;Uint16 Voltage1[10];Uint16 Voltage2[10];
//// Main//void main(void){ // // Step 1. Initialize System Control: // PLL, WatchDog, enable Peripheral Clocks // This example function is found in the DSP2803x_SysCtrl.c file. // InitSysCtrl();
// // Step 2. Initialize GPIO: // This example function is found in the DSP2803x_Gpio.c file and // illustrates how to set the GPIO to it's default state. // // InitGpio(); // Skipped for this example
// // Step 3. Clear all interrupts and initialize PIE vector table: // Disable CPU interrupts // DINT;
// // Initialize the PIE control registers to their default state. // The default state is all PIE interrupts disabled and flags // are cleared. // This function is found in the DSP2803x_PieCtrl.c file. // InitPieCtrl();
// // Disable CPU interrupts and clear all CPU interrupt flags // IER = 0x0000; IFR = 0x0000;
// // Initialize the PIE vector table with pointers to the shell Interrupt // Service Routines (ISR). // This will populate the entire table, even if the interrupt // is not used in this example. This is useful for debug purposes. // The shell ISR routines are found in DSP2803x_DefaultIsr.c. // This function is found in DSP2803x_PieVect.c. // InitPieVectTable();
// // Interrupts that are used in this example are re-mapped to // ISR functions found within this file. // EALLOW; // This is needed to write to EALLOW protected register PieVectTable.ADCINT1 = &adc_isr; EDIS; // This is needed to disable write to EALLOW protected registers
// // Step 4. Initialize all the Device Peripherals: // InitAdc(); // For this example, init the ADC AdcOffsetSelfCal();
// // Step 5. User specific code, enable interrupts: //
// // Enable ADCINT1 in PIE // PieCtrlRegs.PIEIER1.bit.INTx1 = 1; // Enable INT 1.1 in the PIE IER |= M_INT1; // Enable CPU Interrupt 1 EINT; // Enable Global interrupt INTM ERTM; // Enable Global realtime interrupt DBGM LoopCount = 0; ConversionCount = 0;
// // Configure ADC // Note: Channel ADCINA4 will be double sampled to workaround the // ADC 1st sample issue for rev0 silicon errata // EALLOW; AdcRegs.ADCCTL1.bit.INTPULSEPOS = 1; //ADCINT1 trips after AdcResults latch AdcRegs.INTSEL1N2.bit.INT1E = 1; // Enabled ADCINT1 AdcRegs.INTSEL1N2.bit.INT1CONT = 0; // Disable ADCINT1 Continuous mode AdcRegs.INTSEL1N2.bit.INT1SEL = 2; // setup EOC2 to trigger // ADCINT1 to fire // // set SOC0 channel select to ADCINA4 // (dummy sample for rev0 errata workaround) // AdcRegs.ADCSOC0CTL.bit.CHSEL = 4; AdcRegs.ADCSOC1CTL.bit.CHSEL = 4; //set SOC1 channel select to ADCINA4 AdcRegs.ADCSOC2CTL.bit.CHSEL = 2; //set SOC2 channel select to ADCINA2 // // set SOC0 start trigger on EPWM1A, due to round-robin SOC0 converts // first then SOC1, then SOC2 // AdcRegs.ADCSOC0CTL.bit.TRIGSEL = 5; // // set SOC1 start trigger on EPWM1A, due to round-robin SOC0 converts // first then SOC1, then SOC2 // AdcRegs.ADCSOC1CTL.bit.TRIGSEL = 5; // // set SOC2 start trigger on EPWM1A, due to round-robin SOC0 converts // first then SOC1, then SOC2 // AdcRegs.ADCSOC2CTL.bit.TRIGSEL = 5; // // set SOC0 S/H Window to 7 ADC Clock Cycles, (6 ACQPS plus 1) // AdcRegs.ADCSOC0CTL.bit.ACQPS = 6; // // set SOC1 S/H Window to 7 ADC Clock Cycles, (6 ACQPS plus 1) // AdcRegs.ADCSOC1CTL.bit.ACQPS = 6; // // set SOC2 S/H Window to 7 ADC Clock Cycles, (6 ACQPS plus 1) // AdcRegs.ADCSOC2CTL.bit.ACQPS = 6; EDIS;
// // Assumes ePWM1 clock is already enabled in InitSysCtrl(); // EPwm1Regs.ETSEL.bit.SOCAEN = 1; // Enable SOC on A group EPwm1Regs.ETSEL.bit.SOCASEL = 4; // Select SOC from from CPMA on upcount EPwm1Regs.ETPS.bit.SOCAPRD = 1; // Generate pulse on 1st event EPwm1Regs.CMPA.half.CMPA = 0x0080; // Set compare A value EPwm1Regs.TBPRD = 0xFFFF; // Set period for ePWM1 EPwm1Regs.TBCTL.bit.CTRMODE = 0; // count up and start
// // Wait for ADC interrupt // for(;;) { LoopCount++; }}
//// adc_isr -//__interrupt voidadc_isr(void){ // // discard ADCRESULT0 as part of the workaround to the // 1st sample errata for rev0 // Voltage1[ConversionCount] = AdcResult.ADCRESULT1; Voltage2[ConversionCount] = AdcResult.ADCRESULT2;
// // If 20 conversions have been logged, start over // if(ConversionCount == 9) { ConversionCount = 0; } else { ConversionCount++; }
// // Clear ADCINT1 flag reinitialize for next SOC // AdcRegs.ADCINTFLGCLR.bit.ADCINT1 = 1; PieCtrlRegs.PIEACK.all = PIEACK_GROUP1; // Acknowledge interrupt to PIE
return;}
//// End of File//
你们也可以跑一下看看，在初始化ADC就会触发非法中断
TI中文支持网
现在验证连接也出问题了
换了个USB插口，连接验证恢复了，但是调试依旧报同样的错
这是正常的数据。
这是异常的数据。
这是内存分配。
