Microblaze interrupt controller.
Hi fellow Xilinx users.
Microblaze interrupt controller Isn't it supposed to stop after printing it once?. 7\ISE_DS\EDK\sw\XilinxProcessorIPLib\drivers\gpio_v3_01_a\src\xgpio_l. Hey, I have problems setting up the interrupts for a hardware block I implemented. 2. interrupt logic. Both shield interfaces were added to a single AXI GPIO IP. You are passing wrong values to the Mask parameter of the XGpio_InterruptEnable function. - Master IRQ Enable and Hardware Interrupt Enable. 72. I enabled the interrupt setting inside the microblaze processor and connected the AXI_GPIOs interrupt (ip2intc_irpt) directly to the microblazes Interrupt port. I want to have Interrupt to generate on CONTROL pin (axi_gpio_0). To inform the Interrupt Controller of the interrupt handling We have 4 interrupts into a interrupt controller and the output of the interrupt controller is wired into our MicroBlaze processor. 50. MicroBlaze Micro Controller System v3. 3V "clock" and "data" I2C signals to the slave device. THAT IS GARBAGE! Thus my interrupt controller gets left with a bit in the ISR register stuck high, since the IAR write instruction never arrives (As far as I can tell, there's a state machine inside the intc that gets stuck in a state where it's captured the arrival of the first ack bit, Anyone out there had success using fast interrupts in microblaze. I have a simple processor system on KC-705 board with Microblaze, AXI Timer, AXI GPIO and AXI Interrupt Controler. Hi, I have a source code which simulates interrupt controller to generate interrupt by writing interrupt status (ISR) register of GPIO. */ swi r14, r1, portR14_OFFSET /* Switch to the ISR stack. h, How to set up interrupt controller on microblaze. But if generate interrupt controller separately, this box will not be activated. * * @return - XST_SUCCESS to indicate success. 01a) to the system and connected my custom core's interrupt ports to INTC via master bus. Can any one please provide me a method or a sample code for how to receive interrupt by axi Hi, I made it work in normal mode, concat receiving 2 sources (timer and gpio), and going into the interrupt controller. Basic Diagram. External DDR3 connected is of 128MB in size. But we we don't know what, if any, Petalinux driver is available to use with this core. If I don't reprogram the hardware design first every time I get this error: MicroBlaze Micro Controller System • An entire pre-built system can be developed in ISE using the mcscore • MicroBlazeProcessor • Local Memory • Debug Module • Peripherals – IO Bus – Interrupt Controller – UART – Timers (Fixed and Programmable) – General Purpose Inputs and Outputs. An interrupt controller is available for use with the Xilinx Embedded Development Kit (EDK) software tools. I followed the bare metal guide for getting the hardware setup and connected to the memory. global _interrupt_handler bunch more unreleated code here . com 6 PG099 April 6, 2016 Chapter 1: Overview • Interrupt Generation: This block performs the following functions: ° Generates the final output interrupt from the interrupt controller core. Data and program is stored in a local memory, debug is facilitated by the MicroBlaze Debug Module (MDM). The You should use Xil_ExceptionRegisterHandler to register a handler in interrupt controller driver for exceptions of type interrupt. Once the system is built there is no way to connect an interrupt controller to the Microblaze interrupt input. I have added in the interrupt controller in the EDK, hooked a push-button to it, but can't get it to work in the SDK. Connecting my interrupt pin to the axi interrupt controller but I am not able receive any interrupt my this process. MicroBlaze Processor Reference Guide. Anyone able to point me to something to help nudge me along? Hello, I'm attempting to get FreeRTOS running on Microblaze, using the Arty A7 100T dev board. **BEST SOLUTION** It seems that I have managed to connect the dvld_out output of my IP to the Input of the AXI GPIO (strange that XPS didn't show me, the previous days, the pop-up window that enables you to connect various outputs to the Input of the AXI GPIO). The Problem: Interrupts Controller is only call priority highest interrupt. h" #include " stdio. See AXI INTC v4. ° Interrupt sensitivity is determined by the configuration parameters. The uC/OS BSP supports the AXI Interrupt Controller to provide a MicroBlaze system with multiple independent interrupt lines. Core Generator I have a source code which simulates interrupt controller to generate interrupt by writing interrupt status (ISR) register of GPIO. A Spartan 3E-1600 development board will be used to test Button Interrupt. I've implemented a bit of my design using a normal interrupt but it doesn't really run quickly enough, so I am trying the fast instead. Currently trying to set up a simple GPIO interrupt to trigger a handler in my FreeRTOS function. Please help me You can set the interrupt sensivity in the Interrupt controller: By default this will be level edge. c. * in MicroBlaze and Intc controller. This works fine as long as I reprogram the hardware design every single time I launch the debugger. com. However, this code stops working as soon as I change the interrupt controller from "LEVEL" to "EDGE". The output of the interrupt controller is Hi, I'm trying to set up interrupts from timer through interrapt controller using Microblaze 8. This allows loading of programs from Python, controlling executing by triggering the processor reset signal, reading and writing to shared data memory, and managing interrupts received from the subsystem. So I relied upon the output tick signal from the custom module as input to my intrerrupt. can any one give me suggestion how to set the UART receive interrupt in microblaze? Thanks in advance. com Table of Contents IP Facts Chapter1:Overview ° Interrupt Controller using fast interrupt mode I have a MicroBlaze based IPI block design in which I have included some AXI slave peripherals like UART lite, IIC, QSPI and GPIO. I added a AXI Timer and connected it to the interrupt controller. 1 and I am try to port the design to the microblaze so that we can move to a pure FPGA solution. When generate Microblaze and interrupt controller together, the "Enable Fast Interrupt Logic" will be clicked. Using Fast Interrupt mode with microblazePosted by almomo1 on November 29, 2018Hi! I’m developing a real-time project with FreeRTOS and Microblaze; the design has to serve a lot of interrupts as fast as possible, so I enabled “Fast Interrupt Mode” on Xilinx Interrupt Controller (XIntc). You switched accounts on another tab or window. Cadence Gigabit Ethernet C ontroller: Hi, I have used the example design for generating a UART interrupt to Microblaze. AXI INTC v4. Using the interrupt, I am trying to change the output signal of the LED. I implemented the microblaze rising edge interrupt using the example file xgpio_intr_example. 1 wich uses AXI Interrupt Controller with this configuration: In the SDK part I try to initialize the interrupt controller and use my own handler for fast interrupt without any input arguments. To inform the Interrupt Controller of the interrupt handling events, Interrupt_Ack. 0) 6 www. Concat은 여러 인터럽트를 I'm not sure if in Microblaze you have to explicitly clear any interrupt flag as it happens with other MCUs. Why not just connect the the UART lite interrupt to the Zynq interrupt port? 三、按键中断. 1 Product Guide PG099, page 15. Lab 5: Interrupt Driven MicroBlaze System. I have just complete my IP Interrupt Controller, my IP have 3 pin is i, req_int, vect_int which I hope connect to interrupt_ack, interrupt and interrupt_address of MicroBlaze. void PWMIsr() Hi, I have a simple microblaze with two Gpio (Push button and switches) I want manage both devices interrupt. INTERRUPT port on Interrupt Controller must be connected to Microblaze' INTERRUPT port. If i don't use XPS_INTC of Xilinx, I use my interrupt controller. Microblaze is set to Fast Interrupt mode too in the [] MicroBlaze™ Micro Controller System (MCS) is a complete standalone processor system intended for controller applications. 0 LogiCORE IP Product Guide Vivado Design Suite PG116 December 20, 2017. My interrupt handler of Custom IP is supposed to do the following. If multiple interrupts are needed, an interrupt controller must be used to handle multiple interrupt requests to MicroBlaze. In this wiki we will demonstrate how to create a non-maskable break (high priority interrupt) on the Microblaze using the Ext_NM_Brk port to jump directly to the interrupt handler. 0 2 PG116 December 20, 2017 www. Reload to refresh your session. This information allows the Interrupt Controller to acknowledge interrupts appropriately, both for level-sensitive and edge-triggered interrupt. Since we only have one coming from the UART IP Hello Community, I am trying to generate an interrupt signal using a fixed-based timer. There is also assembler code to handler the interrupt event. com DS865 January 18, 2012 Product Specification Using the parameter C_FITx_INTERRUPT, the FIT can be connected to the Interrupt Controller of the IO Mod-ule and used for generating interrupts every time the strobe occurs. So, we would like to add a AXI Interrupt Controller v4. * * Start the interrupt controller such that interrupts are enabled for * all devices that cause interrupts, specific real mode so that Microblaze has a classical interrupt system. After lots of digging, The following functions are provided for installing, enabling and disabling interrupts (in the interrupt controller) respectively. Programmable Interval Timer, PIT Hi everybody, I have some problem about low-latency interrupt mode in MicroBlaze. However, when the slave acks the address, the resulting interrupt causes the microblaze to "reboot" itself back into main() <insert grumble here!></p><p> </p><p> PMU MicroBlaze: Supported: PMU Interrupt Controller: Supported: I/O Peripherals and Devices. The parameters used to configure the IP are: † C_INCLUDE_DMA: When set to 1, a built-in DMA block is included in the design along with the AXI4 master interface. 0 MMU Cache FPU Spartan ™ FPGA Hello all, I want to a create a microblaze design with AXI Timer interrupt, AXI Dma interrupt and GPIO Interrupt driven by virtex-7 FPGA core. 1 wich uses AXI Interrupt Controller with this configuration: Interrupt Type: Edge Interrupt Edge Type: Rising Enable Fast Interrupt Logic: Enabled Enable Set Interrupt Enable Register: Disabled Enable Clear Interrupt Enable Register: Disabled Enable Interrupt Vector Now we have created an instance of the Interrupt Controller peripheral in our design. viper1109 When the interrupt controller is added to the design and the block automation hooks everything up, it assumes that two interrupts will be connected to the interrupt controller. The XPS part of the task seems fairly trivial. Like Liked Unlike Reply. The only solution I have found is the rebuilt the system from scratch. This section describes procedures to create FreeRTOS template applications and customization of kernel configuration using the Vitis Unified Software Platform. from xilinx, the implementation was successful, to verify the interrupt I used the NEXYS 3 board, AXI Iterrupt controller parameters: C_IRQ_IS_LEVEL = 0 and C_IRQ_ACTIVE = 1. Am new microblaze. In order to achieve this, the linker script is updated to include the break vector. ° Resets the interrupt after acknowledge. 이전 디자인과 다르게 인터럽트 컨트롤러가 추가되고 Concat 이라는 IP가 추가되었습니다. When I transmit a character to UART, it keeps printing those prints in the UART receive handler continuously, and doesn't stop. Concat은 여러 인터럽트를 받기위해 사용됩니다. text . Furthermore, I inserted the IP2INTC_Irpt of the AXI GPIO to the Intrerrupt ipnut (Intr) of the AXI Interrupt Controller. h> #include<xgpio. e. THAT IS GARBAGE! Microblaze is running on 83. h>; static XGpio PushBt; static XGpio sw; static XIntc myIntc; int delay, limit=3000000; void I am trying to send interrupt using my custom ip. com Chapter 1: Overview ° Checks for enable conditions in control registers (MER and IER) for interrupt generation. 다른점은 Interrupt Controller를 활성화 해줍니다. as your clock is an external interrupt to INTC controller, you need to define the IRQ and other steps. Figure 1 - MicroBlaze Processor System Architecture MicroBlaze Trace Multi Port Memory Controller Local Memory CAN/MOST PCI Express Custom Coprocessors Ethernet MAC Interrupt Controller Timer/PWM I2C/SPI UART Generic Peripheral Controller GPIO DMA Custom I/O Peripherals JTAG Debug PLBv46 USB 2. xilinx. However, when importing the HW and generating the BSP, There is an AXI timer and interrupt controller in our PL but this does not check for that. Hi, today I continued my testing. I connected my interrupt pin directly to the microblaze interrupt pin, now I was able to receive the interrupt. This allows loading of programs from Python, controlling executing by triggering the processor reset signal, reading and writing to shared data memory, interconnect to which a DDR controller is connected as slave. A base system will be built that utilizes an interrupt controller to allow for multiple interrupt sources along with a set of interrupt sources. What value is in the Master Enable Register? It should be 3. After I Next, in the canvas, if I double-click on the interface of the interrupt at the output of the interrupt controller, the interrupt is shown as Sensitivity(auto) = "LEVEL_HIGH" with a shaded grey area, and the same on the Microblaze interrupt interface input port. 1) April 6, 2016 www. Connect the Interrupt Request (IRQ) signals. The AXI interrupt controller is not mean to to be used with Zynq designs. 2 But I had to modify base address of mig_7series_0_memaddr to 0x2000_0000 from default Hi there, Am using SP601 EVK, I need to set the UART interrupt handler while I receive the character from the Teraterm in PC. For interrupt-based usage users must initialize the interrupt controller in the Zynq UltraScale+ MPSoC, MicroBlaze, Versal: AXI CDMA Standalone Driver: axicdma: AXI dma: DMA: axidma: Zynq, Zynq UltraScale+ MPSoC, MicroBlaze, Versal: AXI DMA Standalone 1) Call microblaze_enable_interrupts() exactly once, just before your infinite loop. */ lwi r1, r0, pulISRStack /* The parameter to the interrupt handler. xparameters. I designed this after reading a lot on some popular interrupt controller architectures out there like NVIC, 8259a, RISC-V PLIC, Microblaze's INTC etc. XPAR_PUSH_IP2INTC_IRPT_MASK and XPAR_SW_IP2INTC_IRPT_MASK are interrupt mask values for the Interrupt Controller peripheral, NOT for the GPIO peripheral. align 4 _interrupt_handler: portSAVE_CONTEXT /* Stack the return address. The output of the interrupt controller is MicroBlaze fast interrupt. Feature Summary This information allows the Interrupt Controller to acknowledge interrupts appropriately, both for level-sensitive and edge-triggered interrupt. Are the appropriate bits set in the Interrupt Enable Hi all. The issue is this: we cannot change the character on the output of the interrupt controller. */ xil_exceptionregisterhandler(xil_exception_id_int, (xil_exceptionhandler) intc_handler, intcinstanceptr); /* * enable non-critical exceptions. 333MHz clock which is generated from Mig7 on ui_clk pin. Hello everyone, Using an o-scope, I see my Spartan6 putting out clean 3. This single is the problem. I have been trying to get the microblaze soft core to respond to the interrupts generated by the peripherals. Design Files The design files for this demo can be downloaded here: nested_int_ex. The interrupt source is from GPIO and A multiplexer built specifically to handle interrupt sources is often referred to as an interrupt controller, or often, a programmable interrupt controller (PIC). Description Support Scope; I/O Peripherals: Not all peripherals are implemented. * - XST_FAILURE to indicate a failure. Very need help. Hope you guys find this blog helpful To do it quickly, you can check connections of Interrupt Controller in Graphical Design View (XPS). Enable the PS AXI HPM LPD AXI interface: Double-click the Zynq UltraScale+ MPSoC PYNQ MicroBlaze Subsystem¶. The interrupt output from axi_intc_0 is a completely different type to what the Zynq IRQ_F2P[] input expects. 1 Product Guide 6 PG099 July 15, 2021 www. */ xil_exceptionenable(); This is what hooks the interrupt line on the microblaze to the interrupt handler and turns it on. So my plan is to generate a signal that is then fed to the AXI interrupt controller, which is connected to MicroBlaze. c from xilinx, the implementation was successful, to verify the interrupt I used the NEXYS 3 I wrote VHDL code to generate the pulse and have control over the pulse width, Figure 8-2: MicroBlaze Processor Interrupt Block Design for this Lab The application program performs the following regarding the interrupt: Initializes the processor interrupts Initializes the interrupt controller Registers the interrupt controller interrupt service routine (ISR) with the processor interrupt data structure Registers the timer Multiple AXI Interrupt controller on the same interconnect will confuse the BSP; Interrupt handling. is set to: • 01: When MicroBlaze jumps to the interrupt handler code, • 10: When the RTID instruction is executed We have 4 interrupts into a interrupt controller and the output of the interrupt controller is wired into our MicroBlaze processor. . There are two more ports for the interrupt interface. Send Feedback. I have seen this happen many times to my coworkers when an interrupt source is not included when using the base system builder. Hi fellow Xilinx users. But I don’t have an axi bus. I want to connect the interrupts of the slave peripherals to the newly added interrupt controller IP (axi_intc) but the IPI drag and connect pencil is not allowing me to do it. I open mhs file to add manual i, req_int, vect_int. Main is working, We have used up all 16 of the F2S PL-to-PS interrupts, and we are needing to add more. The vector ID you can find in xparameters. This label should be the reference to the AXI Interrupt Controller present into the the AXI is into the Fabric and I think is automatically managed from the Microblaze side by means of a dedicated software layer also the 1. How to merge two concat bram controllers in Vivado In this brief demo we will discuss how to write your interrupt handler to support nested interrupts on the Microblaze. h" #include "xbasic_types to interrupt controller using EDK GUI so i did it manually by editing mhs file of my project: I am having a problem servicing Multi interrupts to the Microblaze, only the highest priority interrupt is being acted, both interrupts have been given top priority and each works correctly. Some standa rd peripherals are slight varia tions on the actual cores configuration-wise. Example, i see some funtion in XPS_INTC of Xilinx Hello, In my current microblaze design I am using a AXI_GPIO to send an interrupt to the microblaze controller. Hi, I try to create design with microblaze on ZYNQ 7020 on Vivado/SDK 2015. Thus my interrupt controller gets left with a bit in the ISR register stuck high, since the IAR write instruction never arrives (As far as I can tell, there's a state machine inside the intc that gets stuck in a state where it's captured the arrival of the first ack bit, Anyone out there had success using fast interrupts in microblaze. You just hook it up as before with ";Include Fast interrupt logic" selected in the Intc block. 3. Table of Contents. In case if you are just The LogiCORE™ IP AXI Interrupt Controller (AXI INTC) core concentrates multiple interrupt inputs from peripheral devices to a single interrupt output to the system processor. h file in your BSP. h also have exactly the same differences, i. 기본설정은 그림과 같이 2개의 입력을 받도록 되어 있습니다. The first beta of my code doesn't include Fast Interrupt, just normal ones and it works perfectly. It is highly integrated and includes the MicroBlaze processor, local memory for program and data storage as well as a tightly coupled IO module implementing a standard set of peripherals. Expand Post. The code look as follows: #include "xio. * * @param None. h> #include<xintc. The interrupt pin of the IP should be connected to the interrupt controller block (axi_intc) of the MicroBlaze system. */ ori r5, r0, configINTERRUPT_CONTROLLER_TO_USE /* Execute any Use PS HPM LPD AXI to control the AXI interface of the GPIO and timer. Anyone out there had success using fast interrupts in microblaze. Interrupt handlers When an interrupt is detected, When multiple devices can emit interrupts, as mb has only 1 interrupt input, an interrupt controller is needed. Is this the way to proceed? CPU is the microblaze code from Xilinx. Now XIntc_Start no longer reports any errors, but still no interrupts incoming into the AXI INTC are send to the Microblaze. Chapter 2: MicroBlaze Architecture. 7. We now need to connect the my_timer IRQ I am working on handling multiple interrupts with Microblaze for my project. You should do this once per application, irrespective of the /* Start the interrupt controller */ XIntc_MasterEnable (XPAR_INTC_0_BASEADDR); microblaze_register_handler ((XInterruptHandler) XIntc_InterruptHandler, intcp); I looked more into the AXI interrupt controller IP (Xilinx PG099) and learned that by default level detection is used, which might be the reason the ISR is occurring multiple times, The AMD MicroBlaze™ MCS core is a highly integrated processor system intended for controller applications. I tried to use axi interrupt controller. I can get the timer interrupts to work no is AXI INTC v4. Now i want to change to FAST mode, so i changed both the microblaze and the interrupt controller to fast mode, run connection automat, and it hooked up the clock and the reset to the interrupt controller. I have connected my hardware as shown here Microblaze FreeRTOS Interrupts. Finally, a Concat IP was added to concatenate the ADC interrupts with any future interrupts that may be added. The hw block was implemented using HLS with the following interface definition: #define dim 2 ; float dummy_algorithm (float const pX [dim], float const pY, bool const pPredict, bool const pReset) MicroBlaze Processor : AXI Timer or TTC IP from PS block interrupting to the MicroBlaze (via AXI interrupt controller) FreeRTOS Application Creation and Customization. Interrupt and Reset: Vector Base Address is 0x0000_0000 and Interrupt Controller settings are as follows: Interrupt_Controller For interrupts, MicroBlaze supports only one external interrupt source (connecting to the Interrupt input port). . Interrupt and Reset: Vector Base Address is 0x0000_0000 and Interrupt Controller settings are as follows: Interrupt_Controller The address map in Vivado 2018. h" For interrupt control, I added XPS interrupt controller (v2. Here is a block diagram of my system: Here is a memory map for the system: ><p></p>Now i want to create a simple project with LED blinking at timer interrupt events. h" #include "xintc. Fig. Another reason could be if your interrupt is level-triggered instead of edge-triggered (again if that is possible in MB), so if your IP is done it will generate endless interrupts. The PYNQ MicroBlaze subsystem can be controlled by the PynqMicroblaze class. 2) You should acknowledge the interrupts using the XIntc_Acknowledge() function within your ISR, after you clear the XGpio interrupt condition. The service routine will "ask" the controller what device(s) caused the The PYNQ MicroBlaze subsystem can be controlled by the PynqMicroblaze class. Some help to fix please: #include<xparameters. The Arm MPCore in the Zynq already incorporates a powerful GIC. But something wrong happen. If they are not connected, interrupts will not Hi! I'm developing a real-time project with FreeRTOS and Microblaze; the design has to serve a lot of interrupts as fast as possible, so I enabled "Fast Interrupt Mode" on Xilinx Interrupt Controller. Here the code but do not work. In this wiki we will demonstrate how to create a non-maskable break (high priority interrupt) on the Microblaze using the Ext_NM_Brk port to jump directly to the interrupt In this brief demo we will discuss how to write your interrupt handler to support nested interrupts on the Microblaze. 1 IP to the PL. ° Checks for enable conditions in control registers (MER and IER) for interrupt Hi all, I have been working with the CMOD A7 board using vivado 2018 and sdk. ° Writes the vector address of the active interrupt in IVR register and enables the IPR register for pending interrupts. Here is my initialization code: #include "xparameters. You signed in with another tab or window. You signed out in another tab or window. UG984 (v2016. h> #include<xil_exception. It is possible to generate interrupts through software by writing the interrupt controller's Interrupt Status register. I'm using the microblaze AXI Xintc interrupt controller to manage a timer that blinks an LED. MicroBlaze MCS v3. We are unsure how to interpret the "Interrupt Controller" listing on the Xilinx Linux Drivers wiki page. 2 for blockDigram is as shown: Address_map in Vivado 2018. I started with the timer but have since moved simpler to the uart. AXI Interrupt Controller Settings Next, the shield pins 0-19 and 26-41 were added to the block diagram from the board tab. This is an excerpt from C:\Xilinx\14. However, this code stops working as soon as I change the interrupt controller from "LEVEL" to "EDGE". AMD Xilinx Baremetal Drivers do not initialize and setup interrupt controllers. So, I have to prepare what function or lib to implement fast interrupt handle in my project. zip I want to have Interrupt to generate on CONTROL pin (axi_gpio_0). Microblaze is set to Fast Interrupt mode too in the Block Design. I used microblaze mcs and checkmarked enable external interrupts as level sensitive positive edge and asynchronous. I have a custom PWM with interrupt IP (Axi-Lite Slave), AXI UART lite and AXI Timer, where all IPs have an interrupt respectively (Custom IP also have auto infer single bit Interrupt). * register the interrupt controller handler with the exception table. The following diagram Hi everybody, I have some proplem. Khachma. LogiCORE IP MicroBlaze Micro Controller System (v1. 1 Product Guide www. I have given a small print as an indication that the processor has entered the Receive Handler. This code works perfectly fine when I use "LEVEL" interrupt on microblaze. All is well with the UCF file and external pull up resistors. The interrupt controller can be left out, in which case the interrupt handling code acts as one source controller. However, as I need to connect IRQ output of INTC to Interrupt input of Yes through MicroBlaze Debug Module (MDM) Yes through MicroBlaze Debug Module (MDM) Peripherals: UART, interrupt controller with optional low latency interrupts, 4 programmable interval timers, 4 fixed interval times, 4 general purpose outputs, 4 general purpose inputs, I/O bus: Multiple peripherals are supported through the Embedded Edition IP I am running Vitis 2020. XPS gives: Is there a simple interrupt tutorial for microblaze anywhere? I am comfortable with the concepts of interrupts, but I am having trouble implementing an interrupt in my design. 1、系统框图。 系统框图中，按键 KEY 作为 AXI GPIO 的输入， LED 作为 AXI GPIO 的输出。当 AXI GPIO 检测到按键状态发生变化时， AXI GPIO 就会产生一个中断信号 VIVADO MicroBlaze GPIO Inturrupt. The target is first configured to have MicroBlaze MCU available. Connect interrupt signals. The goal of these labs is to become familiar with the idea of interrupt-based processing techniques using the MicroBlaze processor. If I don't reprogram the hardware design first every time I get this error: Hello, I implemented the microblaze rising edge interrupt using the example file xgpio_intr_example.