1 #define LED2 57 2 #define LED1 56 3 #define KEY2 55 4 #define KEY1 54 5 6 #define GPIO_DEVICE_ID XPAR_XGPIOPS_0_DEVICE_ID 7 XGpioPs Gpio; 8 9 void Gpio_Init(void){ 10 XGpioPs_Config *ConfigPtr; 11 12 ConfigPtr = XGpioPs_LookupConfig(GPIO_DEVICE_ID); 13 XGpioPs_CfgInitialize(&Gpio, ConfigPtr,ConfigPtr->BaseAddr); 14 15 XGpioPs_SetDirectionPin(&Gpio, LED1, 1); //设置为输出模式 16 XGpioPs_SetOutputEnablePin(&Gpio, LED1, 1); //输出模式需要开启使能 17 XGpioPs_WritePin(&Gpio, LED1, 1); //设置输出状态"1" 18 19 XGpioPs_SetDirectionPin(&Gpio, LED2, 1); 20 XGpioPs_SetOutputEnablePin(&Gpio, LED2, 1); 21 XGpioPs_WritePin(&Gpio, LED2, 1); 22 23 XGpioPs_SetDirectionPin(&Gpio, KEY1, 0); //设置为输入模式 24 XGpioPs_SetDirectionPin(&Gpio, KEY2, 0);25 }
#include "xparameters.h" #include "xgpiops.h" #include "xscugic.h" #include "xil_exception.h" #define INTC_DEVICE_ID XPAR_SCUGIC_SINGLE_DEVICE_ID #define GPIO_INTERRUPT_ID XPAR_XGPIOPS_0_INTR static XScuGic Intc; /* The Instance of the Interrupt Controller Driver */ void SetupInterruptSystem(XScuGic *GicInstancePtr, XGpioPs *Gpio, u16 GpioIntrId){ XScuGic_Config *IntcConfig; Xil_ExceptionInit(); IntcConfig = XScuGic_LookupConfig(INTC_DEVICE_ID); XScuGic_CfgInitialize(GicInstancePtr, IntcConfig, IntcConfig->CpuBaseAddress); Xil_ExceptionRegisterHandler(XIL_EXCEPTION_ID_INT, (Xil_ExceptionHandler)XScuGic_InterruptHandler, GicInstancePtr); XScuGic_Connect(GicInstancePtr, GpioIntrId, (Xil_ExceptionHandler)IntrHandler, (void *)Gpio); XScuGic_Enable(GicInstancePtr, GpioIntrId); XGpioPs_SetIntrTypePin(Gpio, KEY1, XGPIOPS_IRQ_TYPE_EDGE_FALLING); XGpioPs_SetIntrTypePin(Gpio, KEY2, XGPIOPS_IRQ_TYPE_EDGE_FALLING); XGpioPs_IntrEnablePin(Gpio, KEY1); XGpioPs_IntrEnablePin(Gpio, KEY2); Xil_ExceptionEnableMask(XIL_EXCEPTION_IRQ); } static void IntrHandler(void *CallBackRef, u32 Bank, u32 Status) { XGpioPs *Gpio_cb = (XGpioPs *)CallBackRef; if (XGpioPs_IntrGetStatusPin(Gpio_cb, KEY1)){ XGpioPs_WritePin(&Gpio, LED1, 1); XGpioPs_WritePin(&Gpio, LED2, 0); XGpioPs_IntrClearPin(Gpio_cb, KEY1); } else if (XGpioPs_IntrGetStatusPin(Gpio_cb, KEY2)){ XGpioPs_WritePin(&Gpio, LED1, 0); XGpioPs_WritePin(&Gpio, LED2, 1); XGpioPs_IntrClearPin(Gpio_cb, KEY2); } } SetupInterruptSystem(&Intc, &Gpio, GPIO_INTERRUPT_ID);
标签:初始化,Gpio,演示,void,XScuGic,XGpioPs,GPIO,ID,define From: https://www.cnblogs.com/tuzki9611/p/17328686.html