本文主要是介绍【1213工作日志】ZYNQ的中断应用，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
【1213工作日志】ZYNQ的中断应用 /** main.c** Created on: 2018年12月3日* Author: xizi.cheng*//** main.c** Created on: 2018年10月7日* Author: xizi.cheng*/
/** main.c** Created on: 2018年9月27日* Author: xizi.cheng*/
/** main.c** Created on: 2016年11月12日* Author: Administrator*/
#include <stdio.h>
#include "xparameters.h"
#include "xil_io.h"
#include "sleep.h"
#include "xil_types.h"
#include "xscugic.h"
#include "xil_exception.h"
#define BASE_ADDR 0x43c00000
//int rec_data;
#define INT_CFG0_OFFSET 0x00000C00
// Parameter definitions
#define SW1_INT_ID 61
#define SW2_INT_ID 62
#define SW3_INT_ID 63
#define INTC_DEVICE_ID XPAR_PS7_SCUGIC_0_DEVICE_ID
#define INT_TYPE_RISING_EDGE 0x03
#define INT_TYPE_HIGHLEVEL 0x01
#define INT_TYPE_MASK 0x03
static XScuGic INTCInst;
static void SW_intr_Handler(void *param);
static int IntcInitFunction(u16 DeviceId);
static void SW_intr_Handler(void *param)
{int sw_id = (int)param;printf("SW%d int\n\r", sw_id);Get_msg();
}
void IntcTypeSetup(XScuGic *InstancePtr, int intId, int intType)
{int mask;intType &= INT_TYPE_MASK;mask = XScuGic_DistReadReg(InstancePtr, INT_CFG0_OFFSET + (intId/16)*4);mask &= ~(INT_TYPE_MASK << (intId%16)*2);mask |= intType << ((intId%16)*2);XScuGic_DistWriteReg(InstancePtr, INT_CFG0_OFFSET + (intId/16)*4, mask);
}
int IntcInitFunction(u16 DeviceId)
{XScuGic_Config *IntcConfig;int status;// Interrupt controller initialisationIntcConfig = XScuGic_LookupConfig(DeviceId);status = XScuGic_CfgInitialize(&INTCInst, IntcConfig, IntcConfig->CpuBaseAddress);if(status != XST_SUCCESS) return XST_FAILURE;// Call to interrupt setupXil_ExceptionRegisterHandler(XIL_EXCEPTION_ID_INT,(Xil_ExceptionHandler)XScuGic_InterruptHandler,&INTCInst);Xil_ExceptionEnable();// Connect SW1~SW3 interrupt to handlerstatus = XScuGic_Connect(&INTCInst,SW1_INT_ID,(Xil_ExceptionHandler)SW_intr_Handler,(void *)1);if(status != XST_SUCCESS) return XST_FAILURE;status = XScuGic_Connect(&INTCInst,SW2_INT_ID,(Xil_ExceptionHandler)SW_intr_Handler,(void *)2);if(status != XST_SUCCESS) return XST_FAILURE;status = XScuGic_Connect(&INTCInst,SW3_INT_ID,(Xil_ExceptionHandler)SW_intr_Handler,(void *)3);if(status != XST_SUCCESS) return XST_FAILURE;// Set interrupt type of SW1~SW3 to rising edgeIntcTypeSetup(&INTCInst, SW1_INT_ID, INT_TYPE_RISING_EDGE);IntcTypeSetup(&INTCInst, SW2_INT_ID, INT_TYPE_RISING_EDGE);IntcTypeSetup(&INTCInst, SW3_INT_ID, INT_TYPE_RISING_EDGE);// Enable SW1~SW3 interrupts in the controllerXScuGic_Enable(&INTCInst, SW1_INT_ID);XScuGic_Enable(&INTCInst, SW2_INT_ID);XScuGic_Enable(&INTCInst, SW3_INT_ID);return XST_SUCCESS;
}
/**************************************************************
crc_high_first
指令描述：crc校验 x^8+x^2+x^1+1
类型：
延时：
输入：
***************************************************************/
u8 crc_high_first(u8 *ptr, u16 len)
{u16 i;u8 crc=0x00; //计算的初始crc值while(len--){crc ^= *ptr++; //每次先与需要计算的数据异或,计算完指向下一数据for (i=8; i>0; --i) //下面这段计算过程与计算一个字节crc一样{if (crc & 0x80)crc = (crc << 1) ^ 0x07;elsecrc = (crc << 1);}}return (crc);
}
#define ENCODE 0xAA
void Auto_addr(u8 chip_num){u8 send_data[4];send_data[0]=0x01;send_data[1]=0x00;send_data[2]=chip_num;send_data[3]=crc_high_first(send_data,3);u32 send4byte[2];send4byte[0]=(((0xaa&0x000000FF)<<24)|(((send_data[0]^ENCODE)&0x000000FF)<<16)|(((send_data[1]^ENCODE)&0x000000FF)<<8)|(((send_data[2]^ENCODE)&0x000000FF)<<0));send4byte[1]=((((send_data[3]^ENCODE)&0x000000FF)<<24)|0xFFFFFF);Xil_Out32(BASE_ADDR,send4byte[0]);Xil_Out32(BASE_ADDR,send4byte[1]);Xil_Out32(BASE_ADDR+4,0x0);//发送长度Xil_Out32(BASE_ADDR+4,0x10005);//发送长度int c=0;while(1){u32 rdata=Xil_In32(BASE_ADDR+0x24);if(rdata&0x40==0x40)break;elsec=c+1;if(c>10000)break;}//Xil_Out32(BASE_ADDR+4,0x0);//发送长度
}void Write_reg(int chip_addr,int reg_addr,u32 wdata){u8 send_data[8];send_data[0]=0x05;send_data[1]=chip_addr&0xFF;send_data[2]=reg_addr&0xFF;send_data[3]=((wdata&0xFF000000)>>24);send_data[4]=((wdata&0xFF0000)>>16);send_data[5]=((wdata&0xFF00)>>8);send_data[6]=((wdata&0xFF));//send_data[7]=0xFF;send_data[7]=crc_high_first(send_data,7);u32 send4byte[3];send4byte[0]=(((0xaa&0x000000FF)<<24)|(((send_data[0]^ENCODE)&0x000000FF)<<16)|(((send_data[1]^ENCODE)&0x000000FF)<<8)|(((send_data[2]^ENCODE)&0x000000FF)<<0));send4byte[1]=((((send_data[3]^ENCODE)&0x000000FF)<<24)|(((send_data[4]^ENCODE)&0x000000FF)<<16)|(((send_data[5]^ENCODE)&0x000000FF)<<8)|(((send_data[6]^ENCODE)&0x000000FF)<<0));send4byte[2]=((((send_data[7]^ENCODE)&0x000000FF)<<24)|0xFFFFFF);Xil_Out32(BASE_ADDR,send4byte[0]);Xil_Out32(BASE_ADDR,send4byte[1]);Xil_Out32(BASE_ADDR,send4byte[2]);Xil_Out32(BASE_ADDR+4,0x0);//发送长度Xil_Out32(BASE_ADDR+4,0x10009);//发送长度int b=0;while(1){u32 rdata=Xil_In32(BASE_ADDR+0x24);if(rdata&0x40==0x40)break;elseb=b+1;if(b>10)break;}
}
void Get_msg(){u32 rdata;u32 read_data[4];for(int i =0;i<4;i++){read_data[i]=0xffffffff;}rdata=Xil_In32(BASE_ADDR+0x24);xil_printf ("status is %8x\n",rdata);if(rdata&0x80==0x80){for(int i =0;i<4;i++){read_data[i]=Xil_In32(BASE_ADDR+0x8);}for(int i =0;i<4;i++){xil_printf ("%8x\t",read_data[i]^0xaaaaaaaa);}printf("\n");}else if(((~rdata)&0x200)==0x200){for(int i =0;i<4;i++){read_data[i]=Xil_In32(BASE_ADDR+0x8);}for(int i =0;i<4;i++){xil_printf ("%8x\t",read_data[i]^0xaaaaaaaa);}printf("\n");}elseprintf("did not get message \n");
}//READ_REG
void Read_reg(u8 chip_num,u8 reg_addr){u8 send_data[4];send_data[0]=0x06;send_data[1]=chip_num;send_data[2]=reg_addr;send_data[3]=crc_high_first(send_data,3);u32 send4byte[2];send4byte[0]=(((0xaa&0x000000FF)<<24)|(((send_data[0]^ENCODE)&0x000000FF)<<16)|(((send_data[1]^ENCODE)&0x000000FF)<<8)|(((send_data[2]^ENCODE)&0x000000FF)<<0));send4byte[1]=((((send_data[3]^ENCODE)&0x000000FF)<<24)|0xFFFFFF);Xil_Out32(BASE_ADDR,send4byte[0]);Xil_Out32(BASE_ADDR,send4byte[1]);Xil_Out32(BASE_ADDR+4,0x0);//发送长度Xil_Out32(BASE_ADDR+4,0x10005);//发送长度printf("Read reg\n");int c=0;while(1){u32 rdata=Xil_In32(BASE_ADDR+0x24);if(rdata&0x40==0x40)break;elsec=c+1;if(c>1000)break;}}
void Spi_Test(u8 chip_id){u8 send_data[5];u8 b[4];int m;send_data[0]=0x09;send_data[1]=chip_id;send_data[2]=0x00;send_data[3]=crc_high_first(send_data,3);u32 send4byte[2];send4byte[0]=(((0xaa&0x000000FF)<<24)|(((send_data[0]^ENCODE)&0x000000FF)<<16)|(((send_data[1]^ENCODE)&0x000000FF)<<8)|(((send_data[2]^ENCODE)&0x000000FF)<<0));send4byte[1]=((((send_data[3]^ENCODE)&0x000000FF)<<24)|0xFFFFFF);Xil_Out32(BASE_ADDR,send4byte[0]);Xil_Out32(BASE_ADDR,send4byte[1]);Xil_Out32(BASE_ADDR+4,0x0);//发送长度Xil_Out32(BASE_ADDR+4,0x10005);//发送长度int c=0;while(1){u32 rdata=Xil_In32(BASE_ADDR+0x24);if(rdata&0x40==0x40)break;elsec=c+1;if(c>1000)break;}//Xil_Out32(BASE_ADDR+4,0x0);//发送长度}
void Bist_Start(u8 chip_addr){u8 send_data[5];u8 b[4];int m;send_data[0]=0x02;send_data[1]=chip_addr;send_data[2]=0x00;send_data[3]=crc_high_first(send_data,3);u32 send4byte[2];send4byte[0]=(((0xaa&0x000000FF)<<24)|(((send_data[0]^ENCODE)&0x000000FF)<<16)|(((send_data[1]^ENCODE)&0x000000FF)<<8)|(((send_data[2]^ENCODE)&0x000000FF)<<0));send4byte[1]=((((send_data[3]^ENCODE)&0x000000FF)<<24)|0xFFFFFF);Xil_Out32(BASE_ADDR,send4byte[0]);Xil_Out32(BASE_ADDR,send4byte[1]);Xil_Out32(BASE_ADDR+4,0x0);//发送长度Xil_Out32(BASE_ADDR+4,0x10005);//发送长度int c=0;while(1){u32 rdata=Xil_In32(BASE_ADDR+0x24);if(rdata&0x40==0x40)break;elsec=c+1;if(c>1000)break;}// Xil_Out32(BASE_ADDR+4,0x0);//发送长度}
#define COUNT 4
int main()
{u32 rec_data[4],rdata;//配置SCI控制寄存器。SCI_TDY 、LSB_first、CPOL、CPHA。Xil_Out32(BASE_ADDR+0x14,0x3);//配置波特率寄存器。Xil_Out32(BASE_ADDR+0x10,80);//设置TX-FIFO控制寄存器SPI_TXFIFO_CTRL中的TX_EN比特位，使能TX-FIFO。Xil_Out32(BASE_ADDR+0x18,0x1);Xil_Out32(BASE_ADDR+0x20,0xc0);//rec_data=Xil_In32(BASE_ADDR+0x24);Xil_Out32(BASE_ADDR+0x1c,0x0);//接收端使能Xil_Out32(BASE_ADDR+0x1c,0x1);//接收端使能Xil_Out32(BASE_ADDR+0x0c,0xa0a);//接收端使能//将待发送数据通过写SCI_TX_DATA寄存器依次存入TX-FIFO。Xil_Out32(BASE_ADDR+4,0x0);//发送长度//----------chip config--------------Auto_addr(0x01);Spi_Test(0x01);Spi_Test(0x01);Write_reg(0x01,0x01,0x1E002);Write_reg(0x01,0x01,0x1E002);Read_reg(0x01,0x01);Get_msg();Write_reg(0x01,0x10,0xFFFFFFFF);Write_reg(0x01,0x11,0xFFFFFFFF);Bist_Start(0x01);Get_msg();//3）发送完单次（一条完整的指令）传输的所有数据后，//设置SCI_TX_CTL寄存器，通知硬件准备发送已经需要发送的数据长度。//1）设置SCI接收数据控制寄存器SCI_RX_CTRL，配置单次接收的数据长度。//2）设置RX-FIFO控制寄存器SCI_RXFIFO_CTRL中的RX_EN比特位，启动RX-FIFO。//3）当接收到RX_END中断后，通过读取SCI_RX_DAT寄存器依次从RX-FIFO中读取相应长度的数据。//rec_data=Xil_In32(BASE_ADDR+0x24);////rec_data=Xil_In32(BASE_ADDR+0x8);
u32 status=0;
int a=0;
int b=0;
Xil_Out32(BASE_ADDR+0x1c,0x0);//接收端使能
Xil_Out32(BASE_ADDR+0x1c,0x1);//接收端使能
Xil_Out32(BASE_ADDR+0x0c,0xa0a);//接收端使能
b=1;
rdata=Xil_In32(BASE_ADDR+0x04);
Read_reg(0x01,1);
for(int m;m<10000;m++){ }
Get_msg();
Get_msg();
Read_reg(0x01,1);
for(int m;m<10000;m++){ }
Get_msg();Read_reg(0x01,1);
for(int m;m<10000;m++){ }
Get_msg();
Get_msg();
IntcInitFunction(INTC_DEVICE_ID);while(1){printf("==enter write thread==\n");Read_reg(0x01,b);if(b==1){b=3;}else if(b==3){b=1;}Get_msg();Get_msg();Get_msg();
// Get_msg();
// Get_msg();
// Get_msg();}
return 0;
}
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