嵌入式开发者社区

标题: AM5728的DSP核，GPIO中断响应滞后的问题（代码基于SYSBIO) [打印本页]

作者: xiongxinjian 时间: 2019-3-27 14:55
标题: AM5728的DSP核，GPIO中断响应滞后的问题（代码基于SYSBIO)
大家好！
   我用AM5728的DSP核，GPIO6_4作为GPIO中断脚，中断能响应，但中断不及时，会滞后，以下是我的测试代码，请帮忙看看是不是配置有问题，谢谢。
/* xdctools header files */
#include <xdc/std.h>
#include <xdc/runtime/Diags.h>
#include <xdc/runtime/Error.h>
#include <xdc/runtime/Log.h>
#include <xdc/runtime/System.h>

/* package header files */
#include <ti/ipc/Ipc.h>
#include <ti/ipc/MultiProc.h>
#include <ti/sysbios/BIOS.h>
#include <ti/sysbios/knl/Task.h>
#include <ti/sysbios/hal/Hwi.h>
#include <ti/sysbios/knl/Clock.h>

/* local header files */
#include "Server.h"
#include "rsc_table_dsp1.h"

#include <ti/csl/soc/am572x/src/csl_device_xbar.h>
#include <ti/csl/soc/am572x/src/cslr_soc_aliases.h>
#include <ti/csl/soc/am572x/src/cslr_soc_dsp_baseaddress.h>
#include <ti/csl/src/ip/gpio/V1/gpio_v2.h>
#include <ti/osal/RegisterIntr.h>

#include <ti/sysbios/family/shared/vayu/IntXbar.h>

#define RAW_DEBUG_ENABLE

#ifdef RAW_DEBUG_ENABLE
#define rawDebug System_printf
#else
#define rawDebug(...)
#endif

uint32_t intrRegister;

//gpio6_4 作为中断输入
uint32_t gpio6_base_address = 0x4805D000;       //GPIO6
#define  GPIO_PIN_INT 4
uint32_t *pad_gpio6_4 = (uint32_t*)0x4A0036E8; //GPIO6_4

uint32_t *pad_gpio6_6 = (uint32_t*)0x4A0036F0; //GPIO6_6
#define  GPIO6_PIN6_OUT 6

//gpio3_1 作为IO输出
uint32_t gpio3_base_address = 0x48057000U;    //GPIO3
#define  GPIO3_PIN1_OUT 1
uint32_t *pad_gpio3_1 = (uint32_t*)0x4A0034E8; //gpio3_1

volatile uint32_t flag=1;

static void myIsr(void)
{
//uint32_t flag=0;
volatile uint32_t dl=5;
GPIOPinIntClear(gpio6_base_address, GPIO_INT_LINE_1, GPIO_PIN_INT);

GPIOPinWrite(gpio3_base_address, GPIO_PIN_OUT, 0);
while(dl--);
GPIOPinWrite(gpio3_base_address, GPIO_PIN_OUT, 1);

}

Void clk0Fxn(UArg arg0)
{

#if 1
if (flag==0)
{
flag = 1;
}
else
{
flag = 0;
}

rawDebug("clk0Fxn---->>>>  flag=%x \r\n",flag);

//volatile uint32_t dl=5;
//GPIOPinWrite(gpio3_base_address, GPIO3_PIN1_OUT, flag);
GPIOPinWrite(gpio6_base_address, GPIO6_PIN6_OUT, flag);
//while(dl--);
//GPIOPinWrite(gpio3_base_address, GPIO_PIN_OUT, flag);

#endif
}

void gpio3_1_pad_init(void)
{
*pad_gpio3_1 &= ~1;
*pad_gpio3_1 |= (0x3<<17) | 0xe;
}

void gpio6_4_pad_init(void)
{
*pad_gpio6_4 &= ~1;
*pad_gpio6_4 |= (0x3<<17) | 0xe;
}

void gpio6_6_pad_init(void)
{
*pad_gpio6_6 &= ~1;
*pad_gpio6_6 |= (0x3<<17) | 0xe;
}

void interrupt_init(void)
{
int32_t retVal = 0;

/* Initialize with defaults */

CSL_XbarIrq intrSource;
/* XBar configuration */
intrSource = CSL_XBAR_GPIO6_IRQ_1;

IntXbar_disconnectIRQ(62);
IntXbar_connectIRQ(62, intrSource);
OsalRegisterIntrParams_t interruptRegParams;
HwiP_Handle hwiPHandlePtr;
Osal_RegisterInterrupt_initParams(&interruptRegParams);

/* Populate the interrupt parameters */
interruptRegParams.corepacConfig.arg = NULL;
interruptRegParams.corepacConfig.name = NULL;
interruptRegParams.corepacConfig.isrRoutine = myIsr;
interruptRegParams.corepacConfig.priority = 0x1U;

interruptRegParams.corepacConfig.intVecNum = 16; /* Corresponds to IPU1_IRQ_30 */
interruptRegParams.corepacConfig.corepacEventNum = 62;

/* Register interrupts */
if( !intrRegister )
{
      retVal = Osal_RegisterInterrupt(&interruptRegParams, &hwiPHandlePtr);

}
else
{
      intrRegister = (uint32_t) TRUE;
}

gpio6_4_pad_init();

/*Reset GPIO*/
GPIOModuleReset(gpio6_base_address);

/*Enable GPIO*/
GPIOModuleEnable(gpio6_base_address);

GPIOIntTypeSet(gpio6_base_address, GPIO_PIN_INT, 0x20); //设置下降沿
GPIODirModeSet(gpio6_base_address, GPIO_PIN_INT, 1); //设置为输入模式
GPIOPinIntDisable(gpio6_base_address, GPIO_INT_LINE_1, GPIO_PIN_INT);
GPIOPinIntClear(gpio6_base_address, GPIO_INT_LINE_1, GPIO_PIN_INT);

/*Enable interrupt*/
GPIOPinIntEnable(gpio6_base_address, GPIO_INT_LINE_1, GPIO_PIN_INT);
}

void hwi_init(void)
{
int32_t retVal = 0;

/* Initialize with defaults */

CSL_XbarIrq intrSource;
/* XBar configuration */
intrSource = CSL_XBAR_GPIO6_IRQ_1;

IntXbar_disconnectIRQ(60);
IntXbar_connectIRQ(60, intrSource);

Hwi_Handle hwi0;
Hwi_Params hwiParams0;
Error_Block eb;

Error_init(&eb);
Hwi_Params_init(&hwiParams0);
hwiParams0.eventId = 60;
hwiParams0.arg = 0;
hwiParams0.maskSetting = Hwi_MaskingOption_SELF;
hwiParams0.enableInt = TRUE;
hwi0 = Hwi_create(4, myIsr, &hwiParams0, &eb);
if(hwi0 == NULL)
{
      rawDebug("Hwi_create ok \r\n");
}

gpio6_4_pad_init();

/*Reset GPIO*/
GPIOModuleReset(gpio6_base_address);

/*Enable GPIO*/
GPIOModuleEnable(gpio6_base_address);

GPIOIntTypeSet(gpio6_base_address, GPIO_PIN_INT, 0x20); //设置下降沿
GPIODirModeSet(gpio6_base_address, GPIO_PIN_INT, 1); //设置为输入模式
GPIOPinIntDisable(gpio6_base_address, GPIO_INT_LINE_1, GPIO_PIN_INT);
GPIOPinIntClear(gpio6_base_address, GPIO_INT_LINE_1, GPIO_PIN_INT);

/*Enable interrupt*/
GPIOPinIntEnable(gpio6_base_address, GPIO_INT_LINE_1, GPIO_PIN_INT);
}

void outgpio_init(void)
{
gpio3_1_pad_init();
GPIOModuleReset(gpio3_base_address);
GPIOModuleEnable(gpio3_base_address);       //
GPIODirModeSet(gpio3_base_address, GPIO3_PIN1_OUT, 0); //
}

void gpio6_6_outout_init(void)
{
gpio6_6_pad_init();
//GPIOModuleReset(gpio6_base_address);
//GPIOModuleEnable(gpio6_base_address);       //
GPIODirModeSet(gpio6_base_address, GPIO6_PIN6_OUT, 0); //
}
Int main(Int argc, Char* argv[])
{
rawDebug("hwi_init \r\n");
hwi_init();
rawDebug("outgpio_init \r\n");
outgpio_init();
gpio6_6_outout_init();

#if 1
Clock_Params clkParams;
Clock_Params_init(&clkParams);
clkParams.period = 500;
clkParams.startFlag = TRUE;
Clock_create(clk0Fxn, 2, &clkParams, NULL);
#endif

/* start scheduler, this never returns */
BIOS_start();
/* should never get here */
return (0);
}

作者: 梁淑怡-Tronlong 时间: 2019-3-27 17:47
您好，
具体细节需要您那边根据实际情况确定，提供部分资料供您参考排查。

欢迎光临嵌入式开发者社区 (https://www.51ele.net/)