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[参考译文] TMS320F28379D:需要使用 SysConfig 工具配置11个 ADC 通道

Guru**** 2391415 points


请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/1298807/tms320f28379d-need-configure-11-adc-channels-using-sysconfig-tool

器件型号:TMS320F28379D

您好!

对于我的应用、我需要使用 ADCA -5通道、ADCB- 2通道和 ADCC-4通道来配置11个 ADC 通道。 同时、我必须一次从所有通道启动 SCO、并将结果存储在循环缓冲器中、从 PWM1触发所有 ADC 模块。 请参阅我的应用代码。

//#############################################################################
//
// FILE:   lab_main.c
//
// TITLE:  C2000 Academy Lab Startup Project
//
//
// This example is a startup project for C2000 Academy lab.
//
//#############################################################################
//
//
// $Copyright:
// Copyright (C) 2022 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"
//
// Included Files
//
#include "board.h"

//
// Function Declarations
//
__interrupt void INT_myADCA_1_ISR(void);
__interrupt void INT_myADCB_2_ISR(void);
__interrupt void INT_myADCC_3_ISR(void);

void main(void)
{
    // CPU Initialization
    Device_init();
    Interrupt_initModule();
    Interrupt_initVectorTable();

    // Configure the GPIOs/ADC/PWM through SysConfig generated files
    Board_init();

    // Enable global interrupts and real-time debug
    EINT;
    ERTM;

    // Main Loop
    while(1){}

}


// Define circular buffer lengths
#define    ADC_BUF_LEN          50
static volatile uint16_t LED_count = 0;

// Circular buffers
uint16_t AdcBuf1[ADC_BUF_LEN];
uint16_t AdcBuf2[ADC_BUF_LEN];
uint16_t AdcBuf3[ADC_BUF_LEN];

// Pointers for circular buffers
uint16_t *AdcBufPtr1 = AdcBuf1;
uint16_t *AdcBufPtr2 = AdcBuf2;
uint16_t *AdcBufPtr3 = AdcBuf3;

// Debug toggles
#define DEBUG_TOGGLE_1 1
#define DEBUG_TOGGLE_2 1
#define DEBUG_TOGGLE_3 1

// ADC ISR for reading 5 results
interrupt void INT_myADCA_1_ISR(void)
{
   *AdcBufPtr1++ = ADC_readResult(myADCA_RESULT_BASE, myADCA_SOC0);
   *AdcBufPtr1++ = ADC_readResult(myADCA_RESULT_BASE, myADCA_SOC1);
   *AdcBufPtr1++ = ADC_readResult(myADCA_RESULT_BASE, myADCA_SOC2);
   *AdcBufPtr1++ = ADC_readResult(myADCA_RESULT_BASE, myADCA_SOC3);
   *AdcBufPtr1++ = ADC_readResult(myADCA_RESULT_BASE, myADCA_SOC4);

    if (AdcBufPtr1 == (AdcBuf1 + ADC_BUF_LEN))
    {
        AdcBufPtr1 = AdcBuf1;
    }

    if (DEBUG_TOGGLE_1 == 1)
    {
        GPIO_togglePin(myGPIOToggle1);
    }

    if(LED_count++ > 25000)                      // Toggle slowly to see the LED blink
       {
           GPIO_togglePin(myBoardLED0_GPIO);                   // Toggle the pin
           LED_count = 0;                           // Reset the counter
       }

    Interrupt_clearACKGroup(INT_myADCA_1_INTERRUPT_ACK_GROUP);
    ADC_clearInterruptStatus(myADCA_BASE, ADC_INT_NUMBER1);
}

// ADC ISR for reading 2 results
interrupt void INT_myADCB_2_ISR(void)
{
    *AdcBufPtr2++ = ADC_readResult(myADCB_RESULT_BASE, myADCB_SOC0);
    *AdcBufPtr2++ = ADC_readResult(myADCB_RESULT_BASE, myADCB_SOC1);

    if (AdcBufPtr2 == (AdcBuf2 + ADC_BUF_LEN))
    {
        AdcBufPtr2 = AdcBuf2;
    }

    if (DEBUG_TOGGLE_2 == 1)
    {
        GPIO_togglePin(myGPIOToggle2);
    }
    if(LED_count++ > 25000)                      // Toggle slowly to see the LED blink
         {
             GPIO_togglePin(myBoardLED0_GPIO);                   // Toggle the pin
             LED_count = 0;                           // Reset the counter
         }


    Interrupt_clearACKGroup(INT_myADCB_2_INTERRUPT_ACK_GROUP);
    ADC_clearInterruptStatus(myADCB_BASE, ADC_INT_NUMBER2);
}

// ADC ISR for reading 4 results
interrupt void INT_myADCC_3_ISR(void)
{
   *AdcBufPtr3++ = ADC_readResult(myADCC_RESULT_BASE, myADCC_SOC0);
   *AdcBufPtr3++ = ADC_readResult(myADCC_RESULT_BASE, myADCC_SOC1);
   *AdcBufPtr3++ = ADC_readResult(myADCC_RESULT_BASE, myADCC_SOC2);
   *AdcBufPtr3++ = ADC_readResult(myADCC_RESULT_BASE, myADCC_SOC3);

    if (AdcBufPtr3 == (AdcBuf3 + ADC_BUF_LEN))
    {
        AdcBufPtr3 = AdcBuf3;
    }

    if (DEBUG_TOGGLE_3 == 1)
    {
        GPIO_togglePin(myGPIOToggle3);
    }
    if(LED_count++ > 25000)                      // Toggle slowly to see the LED blink
         {
             GPIO_togglePin(myBoardLED0_GPIO);                   // Toggle the pin
             LED_count = 0;                           // Reset the counter
         }


    Interrupt_clearACKGroup(INT_myADCC_3_INTERRUPT_ACK_GROUP);
    ADC_clearInterruptStatus(myADCC_BASE, ADC_INT_NUMBER3);
}

//
// End of File
//

有可能吗? 且 SCO 的采样率= 50KH

我提到了上述要求、请帮我实现这一要求。  

  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

    您好!

    "你说什么? 您是否只需要每个 ISR 在频率至少为50kHz 时触发、每次都会产生新的结果? 这听起来是可以实现的。  

    此致、

    本·科利尔