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Found 7 results

  1. Hi, On my Arty A7 board i have the hello world running with Microblaze and UART. I added from the board tab the 4 buttons then i added the 4 LEDs. I'm using 2020.1, and by default it combined the AXI GPIO so there is a dual channel GPIO where both the leds and the buttons are connected. My problem is, that in Vitis the generated IO example code uses the same port, and only the buttons work... the device gets configured as such in the code: #define GPIO_OUTPUT_DEVICE_ID XPAR_GPIO_0_DEVICE_ID #define GPIO_INPUT_DEVICE_ID XPAR_GPIO_0_DEVICE_ID In xparameters.h i found this: /* Definitions for driver GPIO */ #define XPAR_XGPIO_NUM_INSTANCES 1 /* Definitions for peripheral AXI_GPIO_0 */ #define XPAR_AXI_GPIO_0_BASEADDR 0x40000000 #define XPAR_AXI_GPIO_0_HIGHADDR 0x4000FFFF #define XPAR_AXI_GPIO_0_DEVICE_ID 0 #define XPAR_AXI_GPIO_0_INTERRUPT_PRESENT 0 #define XPAR_AXI_GPIO_0_IS_DUAL 1 /* Canonical definitions for peripheral AXI_GPIO_0 */ #define XPAR_GPIO_0_BASEADDR 0x40000000 #define XPAR_GPIO_0_HIGHADDR 0x4000FFFF #define XPAR_GPIO_0_DEVICE_ID XPAR_AXI_GPIO_0_DEVICE_ID #define XPAR_GPIO_0_INTERRUPT_PRESENT 0 #define XPAR_GPIO_0_IS_DUAL 1 The wizard creates two functions: GpioOutputExample( GPIO_OUTPUT_DEVICE_ID, GPIO_BITWIDTH); GpioInputExample(XPAR_AXI_GPIO_0_DEVICE_ID, &DataRead); input example works (buttons), but output does not (leds) Any help is appreciated! Csaba
  2. Are there any introductive hands-on web pages or articles on Deep/Machine learning on FPGA Artix7 (not ZYNQ or PYNQ) ?? I'm doing deep learning using Tnsorflow or KELAS, and now, I'm thinking of performing it on FPGA Artix7. But, I do not have any clues to start it. If someone knows useful information, could you tell me. Best regards.
  3. How to connect the pins in the nexys4 artix7 temperature sensor
  4. Objective: Transmission of Non-MIPI camera sensor data (i.e. any monochrome sensor) using MIPI CSI-2 TX Controller Ip core from on one Arty7 Board to another Arty7 board as MIPI CSI-Rx system or any MIPI Receiver based Video processor. IP core Application: The Xilinx MIPI CSI-2 TX Controller implements camera sensor transmitter interface over MIPI D-PHY Interface. It can be used to bridge between non-MIPI camera sensors to MIPI based video processor. This Core provides combination of MIPI CSI-2 transmit controller and D-PHY interface. System Overview as per our understanding: · After power on, Clock generator IP core generates different clock required for FPGA subsystems. (Status : Working) · FPGA configures camera sensor by providing appropriate commands via I2C Interface.(Status : Working) · After successful configuration, Sensor generates PSYNC (Pixel Clock), HSYNC (Line Clock), VSYNC (Frame clock) and 14-bit video data which are input to FPGA. (Status : Working) · Since sensor provides Non-MIPI output signals and Xilinx MIPI CSI-2 Tx doesn’t have monochrome RAW data input, one complete control system required in FPGA which convert these sensors output signals in to MIPI CSI-2 TX Core compatible data and control signals. (Status : How to give above signals to this IP core, After implementing required logic we are not getting any output on this IP core) · MIPI CSI-2 Tx controller core has In-built physical layer which generated D-PHY outputs. (Status : Not outputs on D-PHY) · D-PHY output can be accessible to another Arty-7 board as MIPI CSI-2 Rx or any MIPI based video processor to perform further post-processing. · Above description is given in block diagram and sensor waveform · Sensor specification: image resolution 384 x 288 @ 30 FPS with 14 bit RAW video data. Problem faced: sensor provides Non-MIPI output signals and Xilinx MIPI CSI-2 Tx doesn’t have monochrome RAW data input, So we are not able generate any D-PHY output after configuration. No examples related to RAW data of 8 or 14 bit. References: 1. MIPI CSI Controller Subsystems – https://www.xilinx.com/products/intellectual-property/ef-di-mipi-csi-rx.html#overview 2. MIPI CSI-2 Transmitter Subsystem V2.1 - https://www.xilinx.com/support/documentation/ip_documentation/mipi_csi2_tx_subsystem/v2_1/pg260-mipi-csi2-tx.pdf
  5. elAmericano

    pmod esp32

    Hello, I am working with Artix A7 board, implementing various PMODs successfully. I am having some issue with PMOD-ESP32 unfortunately. The source files from a project off github (ESP32.c/ESP32.h) from https://github.com/mitchellorsucci/PMODESP32 as well as the included libraries (PmodESP32.c/PmodESP32.h) GitHub Project: I believe the following macros need to be re-defined in the ESP32.h file from github, however in XILINX project for Artix A7, there is a uart-lite that is connected via AXI and there is a uart connected to the ESP32 IP. I have tried to define both. When I define this as the uart-lite device ID, I get some output on console, but I cannot successfully connect to WIFI (which makes me believe the AT commands are being sent to AXI-UART , but not to ESP32 device uart). When I define uart_device as ESP device, nothing prints to console terminal. Please let me know if you have any suggestion. #define UARTLITE_DEVICE_ID XPAR_UARTLITE_1_DEVICE_ID #define INTC_DEVICE_ID XPAR_INTC_0_DEVICE_ID #define UARTLITE_INT_IRQ_ID XPAR_INTC_0_UARTLITE_1_VEC_ID When I try to use the PmodESP32.h / PmodESP32.c included with IP, I am also not able to succesfully communicate with device. I basically do the following ESP32_HardwareEnable(ESP32); ESP32_Initialize(ESP32, u32 UartBaseAddr, u32 GpioBaseAddr); ESP32_HardwareReset(ESP32); ESP32_SendBuffer(ESP32, u8 *buffer, u32 count); The commands i try to send are for connecting to WIFI and for configuring TCP, the functions return 0, which i understand means not succesful. I have reconfigure some of the functions from the github project to work with PmodESP32.c/PmodESP32.h files (the github project uses a UART only devicePtr, whereas the included PmodESP32 files have GPIO / UART structure). int set_wifi_mode(PmodESP32 * devicePtr, unsigned int mode) { u8 tx_buf[50]; if(mode > 3) { xil_printf("Mode %d is not supported for setting the WiFi mode\n\r"); xil_printf("Please Use Modes:\n\r"); xil_printf("\tNULL_MODE\n\r\tSTATION_MODE\n\r\tSOFTAP_MODE or\n\r\tSOFTAP_AND_STATION_MODE\n\r"); return XST_FAILURE; } sprintf(tx_buf, "AT+CWMODE=%d", mode); ESP32_SendBuffer(devicePtr, tx_buf, strlen(tx_buf)); send_n_clr(devicePtr); return XST_SUCCESS; } int get_current_AP(PmodESP32 * devicePtr) { u8 tx[] = "AT+CWJAP?"; ESP32_SendBuffer(devicePtr, tx, strlen(tx)); send_n_clr(devicePtr); return XST_SUCCESS; } int set_current_AP(PmodESP32 * devicePtr, char * ssid, char * pwd, char * bssid) { u8 tx_buf[100]; sprintf(tx_buf, "AT+CWJAP=\"%s\",\"%s\"", ssid, pwd); if(bssid != NULL) { int cursor = strlen(tx_buf); sprintf(tx_buf + cursor, ",\"%s\""); } ESP32_SendBuffer(devicePtr, tx_buf, strlen(tx_buf)); sendNLCR(devicePtr); return XST_SUCCESS; } int list_available_APs(PmodESP32 * devicePtr, char * ssid) { u8 tx_buf[100]; sprintf(tx_buf, "AT+CWLAP"); if(ssid != NULL) { int cursor = strlen(tx_buf); sprintf(tx_buf + cursor, "=\"%s\"", ssid); } ESP32_SendBuffer(devicePtr, tx_buf, strlen(tx_buf)); sendNLCR(devicePtr); return XST_SUCCESS; } ESP32.c ESP32.h PmodESP32.c PmodESP32.h
  6. elAmericano

    Artix7 & ZedBoard

    Hello, My group has acquired the two boards Artix A7 and ZedBoard for developing some applications. I am noticing couple differences regarding projects and documentation. One such difference has to do with the reference base design. For Artix A7 I am finding the PMOD ports, and I2C, SPI, UART, Ethernet included in Board connections. For ZedBoard, very few peripherals are included in the base design I was able to locate. Question: For developing new applications for Zynq, can you provide some information regarding Zynq base desing. Is there more complete project for integrating HDMI / PMODS/ etc.. Does the Arty Z7 provide better support with respect to this feature? If so we may consider to develop on this board alternatively. I appreciate your feedback,
  7. Hello, I am using Arty7 board and I am strugglling with DDR3 RAM in Microblaze. I added to my design UART core Mig7 series core. Also, I have data set to write the DDR3 RAM after writing operation I will read these data set. Unfortunately, I couldnt upload into the DDR3 ram that data set. How can handle with thise issue? Can you help me?