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器件型号：TMS320F28335 Thread 中讨论的其他器件： C2000WARE
工具与软件：
尊敬的团队：
我有 TMS320F28335、想要在 GPIO12、GPIO13和 GPIO16上配置外部中断 。
GPIO12和 GPIO13正常工作、但 GPIO16不工作。
下面是我的配置、请告诉我缺少什么配置。
此致、
Dipak
/**
* @brief: External GPIO Interrupt ISR
* @param[in]
* @param[out]
*/
__interrupt void vGpioIntr1ISR(void)
{
if(++u16Int1counter>2000)
{
GpioDataRegs.GPBTOGGLE.bit.GPIO36 = 1;
u16Int1counter= 0;
}
PieCtrlRegs.PIEACK.all = PIEACK_GROUP1;
}
/**
* @brief: External GPIO Interrupt ISR
* @param[in]
* @param[out]
*/
__interrupt void vGpioIntr2ISR(void)
{
if(++u16Int2counter>2000)
{
GpioDataRegs.GPBTOGGLE.bit.GPIO36 = 1;
u16Int2counter= 0;
}
PieCtrlRegs.PIEACK.all = PIEACK_GROUP1;
}
/**
* @brief: External GPIO Interrupt ISR
* @param[in]
* @param[out]
*/
__interrupt void vGpioIntr3ISR(void)
{
if(++u16Int3counter>100)
{
GpioDataRegs.GPBTOGGLE.bit.GPIO50 = 1;
u16Int3counter= 0;
}
PieCtrlRegs.PIEACK.all = PIEACK_GROUP12;
}
void vInitXInterruptConfig(void)
{
//============================================= External Interrupt ==============================================================================================
// External Interuupt
//dsp_pwm_rx1 : GPIO12
//dsp_pwm_rx2: GPIO13
//dsp_pwm_rx3: GPIO16
EALLOW;
PieVectTable.XINT1 = &vGpioIntr1ISR;// register ISR in interrupt vector table
PieVectTable.XINT2 = &vGpioIntr2ISR;
PieVectTable.XINT3 = &vGpioIntr3ISR;
EDIS;
PieCtrlRegs.PIECTRL.bit.ENPIE = 1;// Enable PIE block
PieCtrlRegs.PIEIER1.bit.INTx4 = 1;// Enable PIE Group 1 INT4
PieCtrlRegs.PIEIER1.bit.INTx5 = 1;// Enable PIE Group 1 INT5
PieCtrlRegs.PIEIER1.bit.INTx6 = 1;// Enable PIE Group 1 INT6
IER |= M_INT1; // Enable CPU interrupt 1
EINT; // Enable Global Interrupt
//
// GPIO12, GPIO13 and GPIO16 are inputs
//
EALLOW;
GpioCtrlRegs.GPAMUX1.bit.GPIO12 = 0;
GpioCtrlRegs.GPADIR.bit.GPIO12 = 0;
GpioCtrlRegs.GPAQSEL1.bit.GPIO12 = 0; //Xint1 Synch to SYSCLKOUT only
GpioCtrlRegs.GPAMUX1.bit.GPIO13 = 0;
GpioCtrlRegs.GPADIR.bit.GPIO13 = 0;
GpioCtrlRegs.GPAQSEL1.bit.GPIO13 = 0;
GpioCtrlRegs.GPAMUX2.bit.GPIO16 = 0;
GpioCtrlRegs.GPADIR.bit.GPIO16 = 0;
GpioCtrlRegs.GPAQSEL2.bit.GPIO16 = 0;
//
// Each sampling window is 510*SYSCLKOUT
//
GpioCtrlRegs.GPACTRL.bit.QUALPRD0 = QUAL_PERIOD_CONFIG;//Each Sample window is 510*SYSCLKOUT
EDIS;
EALLOW;
GpioIntRegs.GPIOXINT1SEL.bit.GPIOSEL = 12; //tag XINT1 interrupt with GPIO12
GpioIntRegs.GPIOXINT2SEL.bit.GPIOSEL = 13; //tag XINT2 interrupt with GPIO13
GpioIntRegs.GPIOXINT3SEL.bit.GPIOSEL = 16; //tag XINT3 interrupt with GPIO16
EDIS;
XIntruptRegs.XINT1CR.bit.POLARITY = 1;//Detect interrupt on rising edge of GPIO12
XIntruptRegs.XINT2CR.bit.POLARITY = 1;//Detect interrupt on rising edge of GPIO13
XIntruptRegs.XINT3CR.bit.POLARITY = 1;//Detect interrupt on rising edge of GPIO16
XIntruptRegs.XINT1CR.bit.ENABLE = 1; //Enable XINT1
XIntruptRegs.XINT2CR.bit.ENABLE = 1; //Enable XINT2
XIntruptRegs.XINT3CR.bit.ENABLE = 1; //Enable XINT3
}
