使用CPUTIME 触发ADC 采集信号，并且用DMA 搬运数据。具体具体实现是这样的，cputime 以1MHZ 的速率触发ADC采集数据，ADC只是采集一路，使用的是A0,采集完成使用DMA将数据搬运，程序运行的情况是DMA end int 能正常触发，但是adc buff 里面没有数值！
//#############################################################################
//
// FILE: empty_driverlib_main.c
//
//! \addtogroup driver_example_list
//! <h1>Empty Project Example</h1>
//!
//! This example is an empty project setup for Driverlib development.
//!
//
//#############################################################################
//
//
// $Copyright:
// Copyright (C) 2024 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 "driverlib.h"
#include "device.h"
#include "board.h"
#include "c2000ware_libraries.h"
uint16_t adc_global_buf[myDMA0_TRANSFERSIZE];
const void *adc_result_reg = (uint16_t*)(myADC0_RESULT_BASE + (uint32_t)ADC_RESULTx_OFFSET_BASE + (uint32_t)myADC0_SOC0);
const void *adc_cap_buf = adc_global_buf;
uint16_t sample_done = 0;
__interrupt void INT_myDMA0_ISR(void)
{
DMA_stopChannel(myDMA0_BASE);
EALLOW;
Interrupt_clearACKGroup(INT_myDMA0_INTERRUPT_ACK_GROUP);
EDIS;
sample_done = 1;
// ADC_readResult
}
////#define INT_myADC0_1 INT_ADCA1
////#define INT_myADC0_1_INTERRUPT_ACK_GROUP INTERRUPT_ACK_GROUP1
//volatile uint16_t adc_val;
//__interrupt void INT_myADC0_1_ISR(void)
//{
// adc_val = ADC_readResult(myADC0_RESULT_BASE,myADC0_SOC0);
// Interrupt_clearACKGroup(INT_myADC0_1_INTERRUPT_ACK_GROUP);
//}
void main(void)
{
//
// Initialize device clock and peripherals
//
Device_init();
//
// Disable pin locks and enable internal pull-ups.
//
Device_initGPIO();
//
// Initialize PIE and clear PIE registers. Disables CPU interrupts.
//
Interrupt_initModule();
//
// Initialize the PIE vector table with pointers to the shell Interrupt
// Service Routines (ISR).
//
Interrupt_initVectorTable();
//
// PinMux and Peripheral Initialization
//
Board_init();
//
// C2000Ware Library initialization
//
C2000Ware_libraries_init();
//
// Enable Global Interrupt (INTM) and real time interrupt (DBGM)
//
EINT;
ERTM;
int i;
for( i = 0; i < myDMA0_TRANSFERSIZE; ++i){
adc_global_buf[i] = i;
}
DMA_clearTriggerFlag(myDMA0_BASE);
ADC_clearInterruptStatus(myADC0_BASE,ADC_INT_NUMBER1);
DMA_startChannel(myDMA0_BASE);
CPUTimer_startTimer(myCPUTIMER0_BASE);
while(1)
{
if(sample_done == 1){
ESTOP0;
}
}
}
//
// End of File
//
/**
* These arguments were used when this file was generated. They will be automatically applied on subsequent loads
* via the GUI or CLI. Run CLI with '--help' for additional information on how to override these arguments.
* @cliArgs --device "F28003x" --package "100PZ" --part "F28003x_100PZ" --context "system" --product "C2000WARE@5.02.00.00"
* @versions {"tool":"1.20.0+3587"}
*/
/**
* Import the modules used in this configuration.
*/
const adc = scripting.addModule("/driverlib/adc.js", {}, false);
const adc1 = adc.addInstance();
const analog = scripting.addModule("/driverlib/analog.js", {}, false);
const analog1 = analog.addInstance();
const asysctl = scripting.addModule("/driverlib/asysctl.js");
const cputimer = scripting.addModule("/driverlib/cputimer.js", {}, false);
const cputimer1 = cputimer.addInstance();
const dma = scripting.addModule("/driverlib/dma.js", {}, false);
const dma1 = dma.addInstance();
/**
* Write custom configuration values to the imported modules.
*/
adc1.$name = "myADC0";
adc1.adcClockPrescaler = "ADC_CLK_DIV_2_0";
adc1.soc0Trigger = "ADC_TRIGGER_CPU1_TINT0";
adc1.soc0SampleWindow = 9;
adc1.soc1Channel = "ADC_CH_ADCIN1";
adc1.enabledSOCs = ["ADC_SOC_NUMBER0"];
adc1.interruptPulseMode = "ADC_PULSE_END_OF_CONV";
adc1.enableInterrupt1 = true;
adc1.enableInterrupt1ContinuousMode = true;
adc1.registerInterrupts = ["1"];
adc1.soc0InterruptTrigger = "ADC_INT_SOC_TRIGGER_ADCINT1";
adc1.enableInterrupt2 = true;
adc1.enableInterrupt2ContinuousMode = true;
adc1.enableInterrupt3 = true;
adc1.enableInterrupt3ContinuousMode = true;
adc1.enableInterrupt4 = true;
adc1.enableInterrupt4ContinuousMode = true;
adc1.enabledInts = ["ADC_INT_NUMBER1"];
adc1.useInterrupts = false;
analog1.$name = "myANALOGPinMux0";
adc1.analog = analog1;
analog1.useCase = "CUSTOM";
analog1.useInterfacePins = ["A0/B15/C15/DACA_OUT"];
analog1.analog.$assign = "ANALOG";
analog1.analog["a0/b15/c15/daca_outPin"].$assign = "A0/B15/C15/DACA_OUT";
asysctl.analogReference = "INTERNAL";
asysctl.analogReferenceVoltage = "1P65";
cputimer1.$name = "myCPUTIMER0";
cputimer1.enableInterrupt = true;
cputimer1.timerPeriod = 120;
cputimer1.emulationMode = "CPUTIMER_EMULATIONMODE_RUNFREE";
dma1.$name = "myDMA0";
dma1.enableTriggers = true;
dma1.useInterrupts = true;
dma1.registerInterrupts = true;
dma1.enableInterrupts = true;
dma1.transferSize = 512;
dma1.destAddressInputMode = "VARIABLE";
dma1.destAddressVariable = "adc_cap_buf";
dma1.srcAddressVariable = "adc_result_reg";
dma1.interruptMode = "DMA_INT_AT_END";
dma1.destTransferStep = 1;
dma1.destBurstStep = 1;
dma1.emulationMode = "DMA_EMULATION_FREE_RUN";
dma1.srcAddressInputMode = "VARIABLE";
dma1.triggerSource = "DMA_TRIGGER_ADCA1";
dma1.dmaInt.enableInterrupt = true;