Terasic DE1-SOC User Manual
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Terasic DE1-SOC User Manual

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DE1-SoC User Manual
www.terasic.com
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August 5, 2015

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Summary of Contents for Terasic DE1-SOC

  • Page 1 DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 2: Table Of Contents

    Chapter 3 Using the DE1-SoC Board ............. 12 3.1 Settings of FPGA Configuration Mode ..................12 3.2 Configuration of Cyclone V SoC FPGA on DE1-SoC ............. 13 3.3 Board Status Elements ......................19 3.4 Board Reset Elements ......................20 3.5 Clock Circuitry ......................... 21 3.6 Peripherals Connected to the FPGA ..................
  • Page 3 Chapter 4 DE1-SoC System Builder ............... 53 4.1 Introduction ..........................53 4.2 Design Flow ..........................53 4.3 Using DE1-SoC System Builder ....................54 Chapter 5 Examples For FPGA ..............60 5.1 DE1-SoC Factory Configuration ....................60 5.2 Audio Recording and Playing ....................61 5.3 Karaoke Machine ........................
  • Page 4 Examples for using both HPS SoC and FGPA ......101 7.1 HPS Control LED and HEX ....................101 7.2 DE1-SoC Control Panel ......................105 7.3 DE1-SoC Linux Frame Buffer Project ................... 105 Chapter 8 Programming the EPCS Device ........... 107 8.1 Before Programming Begins ....................

  • Page 5: De1-Soc Development Kit

    Ethernet networking, and much more that promise many exciting applications. The DE1-SoC Development Kit contains all the tools needed to use the board in conjunction with a computer that runs the Microsoft Windows XP or later.

  • Page 6: De1-Soc System Cd

     USB cable (Type A to Mini-B) for UART control  12V DC power adapter The DE1-SoC System CD contains all the documents and supporting materials associated with DE1-SoC, including the user manual, system builder, reference designs, and device datasheets.

  • Page 7: Introduction Of The De1-Soc Board

    This chapter provides an introduction to the features and design characteristics of the board. Figure 2-1 shows a photograph of the board. It depicts the layout of the board and indicates the location of the connectors and key components. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 8 Figure 2-1 DE1-SoC development board (top view) Figure 2-2 De1-SoC development board (bottom view) The DE1-SoC board has many features that allow users to implement a wide range of designed circuits, from simple circuits to various multimedia projects. DE1-SoC User Manual www.terasic.com...

  • Page 9: Block Diagram Of The De1-Soc Board

    All the connections are established through the Cyclone V SoC FPGA device to provide maximum flexibility for users. Users can configure the FPGA to implement any system design. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 10 Figure 2-3 Block diagram of DE1-SoC Detailed information about Figure 2-3 are listed below.  Cyclone V SoC 5CSEMA5F31 Device  Dual-core ARM Cortex-A9 (HPS)  85K programmable logic elements  4,450 Kbits embedded memory  6 fractional PLLs  2 hard memory controllers DE1-SoC User Manual www.terasic.com...
  • Page 11  One LTC connector (one Serial Peripheral Interface (SPI) Master ,one I2C and one GPIO interface )  24-bit VGA DAC  24-bit CODEC, Line-in, Line-out, and microphone-in jacks  TV decoder (NTSC/PAL/SECAM) and TV-in connector DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 12  10 user switches (FPGA x10)  11 user LEDs (FPGA x10, HPS x 1)  2 HPS reset buttons (HPS_RESET_n and HPS_WARM_RST_n)  Six 7-segment displays  G-Sensor on HPS  12V DC input DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 13: Using The De1-Soc Board

    This chapter provides an instruction to use the board and describes the peripherals. When the DE1-SoC board is powered on, the FPGA can be configured from EPCS or HPS. The MSEL[4:0] pins are used to select the configuration scheme. It is implemented as a 6-pin DIP...

  • Page 14: Configuration Of Cyclone V Soc Fpga On De1-Soc

    SW10.6 Figure 3-1 shows MSEL[4:0] setting of AS mode, which is also the default setting on DE1-SoC. When the board is powered on, the FPGA is configured from EPCS, which is pre-programmed with the default code. If developers wish to reconfigure FPGA from an application software running on Linux, the MSEL[4:0] needs to be set to “01010”...
  • Page 15 DE1-SoC board is turned off. When the board is powered on, the configuration data in the EPCS128 device is automatically loaded into the Cyclone V SoC FPGA.  JTAG Chain on DE1-SoC Board The FPGA device can be configured through JTAG interface on DE1-SoC board, but the JTAG chain must form a closed loop, which allows Quartus II programmer to the detect FPGA device.
  • Page 16 Figure 3-3 Detect FPGA device in JTAG mode 2. Select detected device associated with the board, as circled in Figure 3-4. Figure 3-4 Select 5CSEMA5 device 3. Both FPGA and HPS are detected, as shown in Figure 3-5. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 17 Figure 3-5 FPGA and HPS detected in Quartus programmer 4. Right click on the FPGA device and open the .sof file to be programmed, as highlighted in Figure 3-6. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 18 Figure 3-6 Open the .sof file to be programmed into the FPGA device 5. Select the .sof file to be programmed, as shown in Figure 3-7. Figure 3-7 Select the .sof file to be programmed into the FPGA device DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 19 Figure 3-8 Program .sof file into the FPGA device  Configure the FPGA in AS Mode  The DE1-SoC board uses a quad serial configuration device (EPCS128) to store configuration data for the Cyclone V SoC FPGA. This configuration data is automatically loaded from the quad serial configuration device chip into the FPGA when the board is powered up.

  • Page 20: Board Status Elements

    In addition to the 10 LEDs that FPGA device can control, there are 5 indicators which can indicate the board status (See ), please refer the details in Table 3-3 Figure 3-10 Figure 3-10 LED Indicators on DE1-SoC DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 21: Board Reset Elements

    Illuminate when data is transferred from USB Host to FT232R. UART RXD JTAG_RX Reserved JTAG_TX There are two HPS reset buttons on DE1-SoC, HPS (cold) reset and HPS warm reset, as shown in Figure 3-11. Table 3-4 describes the purpose of these two HPS reset buttons.

  • Page 22: Clock Circuitry

    Table 3-4 Description of Two HPS Reset Buttons on DE1-SoC Board Reference Signal Name Description Cold reset to the HPS, Ethernet PHY and USB host device. KEY5 HPS_RESET_N Active low input which resets all HPS logics that can be reset.
  • Page 23 Host/OTG PHY and USB hub controller. The associated pin assignment for clock inputs to FPGA I/O pins is listed in Table 3-5. Figure 3-13 Block diagram of the clock distribution on DE1-SoC Table 3-5 Pin Assignment of Clock Inputs Signal Name FPGA Pin No.

  • Page 24: Peripherals Connected To The Fpga

    Since the push-buttons are debounced, they can be used as clock or reset inputs in a circuit. Figure 3-14 Connections between the push-buttons and the Cyclone V SoC FPGA DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 25 There are also ten user-controllable LEDs connected to the FPGA. Each LED is driven directly and individually by the Cyclone V SoC FPGA; driving its associated pin to a high logic level or low DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 26 Slide Switch[9] 3.3V Table 3-7 Pin Assignment of Push-buttons Signal Name FPGA Pin No. Description I/O Standard KEY[0] PIN_AA14 Push-button[0] 3.3V KEY[1] PIN_AA15 Push-button[1] 3.3V KEY[2] PIN_W15 Push-button[2] 3.3V KEY[3] PIN_Y16 Push-button[3] 3.3V DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 27: 7-Segment Displays

    LED [9] 3.3V 3.6.2 7-segment Displays The DE1-SoC board has six 7-segment displays. These displays are paired to display numbers in various sizes. Figure 3-18 shows the connection of seven segments (common anode) to pins on Cyclone V SoC FPGA. The segment can be turned on or off by applying a low logic level or high logic level from the FPGA, respectively.
  • Page 28 Seven Segment Digit 5[2] 3.3V HEX5[3] PIN_AB27 Seven Segment Digit 5[3] 3.3V HEX5[4] PIN_AB26 Seven Segment Digit 5[4] 3.3V HEX5[5] PIN_AA26 Seven Segment Digit 5[5] 3.3V HEX5[6] PIN_AA25 Seven Segment Digit 5[6] 3.3V DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 29: 2X20 Gpio Expansion Headers

    FPGA Pin No. Description I/O Standard GPIO_0[0] PIN_AC18 GPIO Connection 0[0] 3.3V GPIO_0 [1] PIN_Y17 GPIO Connection 0[1] 3.3V GPIO_0 [2] PIN_AD17 GPIO Connection 0[2] 3.3V GPIO_0 [3] PIN_Y18 GPIO Connection 0[3] 3.3V DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 30 GPIO_1 [7] PIN_AF25 GPIO Connection 1[7] 3.3V GPIO_1 [8] PIN_AF26 GPIO Connection 1[8] 3.3V GPIO_1 [9] PIN_AG25 GPIO Connection 1[9] 3.3V GPIO_1[10] PIN_AG26 GPIO Connection 1[10] 3.3V GPIO_1 [11] PIN_AH24 GPIO Connection 1[11] 3.3V DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 31: 24-Bit Audio Codec

    3.6.4 24-bit Audio CODEC The DE1-SoC board offers high-quality 24-bit audio via the Wolfson WM8731 audio CODEC (Encoder/Decoder). This chip supports microphone-in, line-in, and line-out ports, with adjustable sample rate from 8 kHz to 96 kHz. The WM8731 is controlled via serial I2C bus, which is connected to HPS or Cyclone V SoC FPGA through an I2C multiplexer.

  • Page 32: I2C Multiplexer

    I2C Data 3.3V 3.6.5 I2C Multiplexer The DE1-SoC board implements an I2C multiplexer for HPS to access the I2C bus originally owned by FPGA. Figure 3-21 shows the connection of I2C multiplexer to the FPGA and HPS. HPS can access Audio CODEC and TV Decoder if and only if the HPS_I2C_CONTROL signal is set to high.

  • Page 33: Vga

    3.3V 3.6.6 The DE1-SoC board has a 15-pin D-SUB connector populated for VGA output. The VGA synchronization signals are generated directly from the Cyclone V SoC FPGA, and the Analog Devices ADV7123 triple 10-bit high-speed video DAC (only the higher 8-bits are used) transforms signals from digital to analog to represent three fundamental colors (red, green, and blue).
  • Page 34 More information about the ADV7123 video DAC is available in its datasheet, which can be found on the manufacturer’s website, or in the directory \Datasheets\VIDEO DAC of DE1-SoC System CD. The pin assignment between the Cyclone V SoC FPGA and the ADV7123 is listed in Table 3-16.
  • Page 35 Table 3-15 VGA Vertical Timing Specification VGA mode Vertical Timing Spec Configuration Resolution(HxV) a(lines) b(lines) c(lines) d(lines) Pixel clock(MHz) VGA(60Hz) 640x480 VGA(85Hz) 640x480 SVGA(60Hz) 800x600 SVGA(75Hz) 800x600 SVGA(85Hz) 800x600 XGA(60Hz) 1024x768 XGA(70Hz) 1024x768 XGA(85Hz) 1024x768 1280x1024(60Hz) 1280x1024 1024 DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 36: Tv Decoder

    3.6.7 TV Decoder The DE1-SoC board is equipped with an Analog Device ADV7180 TV decoder chip. The ADV7180 is an integrated video decoder which automatically detects and converts a standard analog baseband television signals (NTSC, PAL, and SECAM) into 4:2:2 component video data, which is compatible with the 8-bit ITU-R BT.656 interface standard.
  • Page 37 Table 3-17. More information about the ADV7180 is available on the manufacturer’s website, or in the directory \DE1_SOC_datasheets\Video Decoder of DE1-SoC System CD. Figure 3-24 Connections between the FPGA and TV Decoder Table 3-17 Pin Assignment of TV Decoder Signal Name FPGA Pin No.

  • Page 38: Ir Receiver

    The board comes with an infrared remote-control receiver module (model: IRM-V538/TR1), whose datasheet is provided in the directory \Datasheets\ IR Receiver and Emitter of DE1-SoC system CD. The remote controller included in the kit has an encoding chip (uPD6121G) built-in for generating infrared signals.

  • Page 39: Sdram Memory

    16-bit data line, control line, and address line connected to the FPGA. This chip uses the 3.3V LVCMOS signaling standard. Connections between the FPGA and SDRAM are shown in Figure 3-27, and the pin assignment is listed in Table 3-20. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 40 SDRAM Address[12] 3.3V DRAM_DQ[0] PIN_AK6 SDRAM Data[0] 3.3V DRAM_DQ[1] PIN_AJ7 SDRAM Data[1] 3.3V DRAM_DQ[2] PIN_AK7 SDRAM Data[2] 3.3V DRAM_DQ[3] PIN_AK8 SDRAM Data[3] 3.3V DRAM_DQ[4] PIN_AK9 SDRAM Data[4] 3.3V DRAM_DQ[5] PIN_AG10 SDRAM Data[5] 3.3V DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 41: Ps/2 Serial Port

    SDRAM Chip Select 3.3V 3.6.11 PS/2 Serial Port The DE1-SoC board comes with a standard PS/2 interface and a connector for a PS/2 keyboard or mouse. Figure 3-28 shows the connection of PS/2 circuit to the FPGA. Users can use the PS/2...
  • Page 42 Description I/O Standard PS2_CLK PIN_AD7 PS/2 Clock 3.3V PS2_DAT PIN_AE7 PS/2 Data 3.3V PS2_CLK2 PIN_AD9 PS/2 Clock (reserved for second PS/2 device) 3.3V PS2_DAT2 PIN_AE9 PS/2 Data (reserved for second PS/2 device) 3.3V DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 43: A/D Converter And 2X5 Header

    3.6.12 A/D Converter and 2x5 Header The DE1-SoC has an analog-to-digital converter (LTC2308), which features low noise, eight-channel CMOS 12-bit. This ADC offers conversion throughput rate up to 500KSPS. The analog input range for all input channels can be 0 V to 4.096V. The internal conversion clock allows the external serial output data clock (SCLK) to operate at any frequency up to 40MHz.

  • Page 44: Peripherals Connected To Hard Processor System (Hps)

    Similar to the FPGA, the HPS also has its set of switches, buttons, LEDs, and other interfaces connected exclusively. Users can control these interfaces to monitor the status of HPS. Table 3-23 gives the pin assignment of all the LEDs, switches, and push-buttons. DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 45: Gigabit Ethernet

    3-24. More information about the KSZ9021RN PHY chip and its datasheet, as well as the application notes, which are available on the manufacturer’s website. Figure 3-32 Connections between the HPS and Gigabit Ethernet DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 46: Uart

    HW flow control signals. The physical interface is implemented by UART-USB onboard bridge from a FT232R chip to the host with an USB Mini-B connector. More information about the chip is available on the manufacturer’s website, or in the directory \Datasheets\UART TO DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 47: Ddr3 Memory

    USB of DE1-SoC system CD. Figure 3-33 shows the connections between the HPS, FT232R chip, and the USB Mini-B connector. Table 3-26 lists the pin assignment of UART interface connected to the HPS. Figure 3-33 Connections between the HPS and FT232R Chip...
  • Page 48 SSTL-15 Class I HPS_DDR3_DQ[19] PIN_N28 HPS DDR3 Data[19] SSTL-15 Class I HPS_DDR3_DQ[20] PIN_P26 HPS DDR3 Data[20] SSTL-15 Class I HPS_DDR3_DQ[21] PIN_P27 HPS DDR3 Data[21] SSTL-15 Class I HPS_DDR3_DQ[22] PIN_N27 HPS DDR3 Data[22] SSTL-15 Class I DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 49: Micro Sd Card Socket

    1.5 V output drive calibration The board supports Micro SD card interface with x4 data lines. It serves not only an external storage for the HPS, but also an alternative boot option for DE1-SoC board. Figure 3-34 shows signals connected between the HPS and Micro SD card socket.

  • Page 50: 2-Port Usb Host

    ID pin of USB3300 to ground. When operating in Host mode, the device is powered by the two USB type-A ports. Figure 3-35 shows the connections of USB PTG PHY to the HPS. Table 3-29 lists the pin assignment of USBOTG PHY to the HPS. DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 51: G-Sensor

    I2C interface. The I2C address of G-sensor is 0xA6/0xA7. More information about this chip can be found in its datasheet, which is available on manufacturer’s website or in the directory \Datasheet folder of DE1-SoC system CD. Figure 3-36 shows the connections between the HPS and G-sensor.

  • Page 52: Ltc Connector

    GPIO, SPI, or I2C based communication with the HPS. Connections between the HPS and LTC connector are shown in Figure 3-37, and the pin assignment of LTC connector is listed in Table 3-31. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 53 HPS I2C2 Data (share bus with 3.3V G-Sensor) HPS_SPIM_CLK PIN_C23 SPI Clock 3.3V HPS_SPIM_MISO PIN_E24 SPI Master Input/Slave Output 3.3V HPS_SPIM_MOSI PIN_D22 SPI Master Output /Slave Input 3.3V HPS_SPIM_SS PIN_D24 SPI Slave Select 3.3V DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 54: De1-Soc System Builder

    Chapter 4 DE1-SoC System Builder This chapter describes how users can create a custom design project with the tool named DE1-SoC System Builder. The DE1-SoC System Builder is a Windows-based utility. It is designed to help users create a Quartus II project for DE1-SoC within minutes. The generated Quartus II project files include: ...

  • Page 55: Using De1-Soc System Builder

    The DE1-SoC System Builder will generate two major files, a top-level design file (.v) and a Quartus II setting file (.qsf) after users launch the DE1-SoC System Builder and create a new project according to their design requirements The top-level design file contains a top-level Verilog HDL wrapper for users to add their own design/logic.
  • Page 56  Install and Launch the DE1-SoC System Builder The DE1-SoC System Builder is located in the directory: “Tools\SystemBuilder” of the DE1-SoC System CD. Users can copy the entire folder to a host computer without installing the utility. A window will pop up, as shown in Figure 4-2, after executing the DE1-SoC SystemBuilder.exe on...

  • Page 57: System Configuration

    4-4. Each component onboard is listed and users can enable or disable one or more components at will. If a component is enabled, the DE1-SoC System Builder will automatically generate its associated pin assignment, including the pin name, pin location, pin direction, and I/O standard.
  • Page 58 Figure 4-4 System configuration group  GPIO Expansion If users connect any Terasic GPIO-based daughter card to the GPIO connector(s) on DE1-SoC, the DE1-SoC System Builder can generate a project that include the corresponding module, as shown Figure 4-5. It will also generate the associated pin assignment automatically, including pin name, pin location, pin direction, and I/O standard.
  • Page 59 The “Prefix Name” is an optional feature that denote the pin name of the daughter card assigned in your design. Users may leave this field blank.  Project Setting Management The DE1-SoC System Builder also provides the option to load a setting or save users’ current board configuration in .cfg file, as shown in Figure 4-6.
  • Page 60 Figure 4-6 Project Settings  Project Generation When users press the Generate button, the DE1-SoC System Builder will generate the corresponding Quartus II files and documents, as listed in Table 4-1: Table 4-1 Files generated by the DE1-SoC System Builder...

  • Page 61: Examples For Fpga

     Project directory: DE1_SoC_Default  Bitstream used: DE1_SoC_Default.sof or DE1_SoC_Default.jic  Power on the DE1-SoC board with the USB cable connected to the USB-Blaster II port. If necessary (that is, if the default factory configuration is not currently stored in the EPCS device), download the bit stream to the board via JTAG interface.

  • Page 62: Audio Recording And Playing

    Figure 5-1 Command line of the batch file to program the FPGA and EPCS device This demonstration shows how to implement an audio recorder and player on DE1-SoC board with the built-in audio CODEC chip. It is developed based on Qsys and Eclipse.
  • Page 63 The audio interface is configured as 16-bit I2S mode. 18.432MHz clock generated by the PLL is connected to the MCLK/XTI pin of the audio chip through the audio controller. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 64  Press KEY2 to start/stop audio playing (note *3) Table 5-1 Slide switches usage for audio source 0 – DOWN Position 1 – UP Position Slide Switches Audio is from MIC-in Audio is from Line-in DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 65: Karaoke Machine

    (2). Recording process will stop if the audio buffer is full. (3). Playing process will stop if the audio data is played completely. This demonstration uses the microphone-in, line-in, and line-out ports on DE1-SoC to create a Karaoke machine. The WM8731 CODEC is configured in master mode. The audio CODEC generates AD/DA serial bit clock (BCK) and the left/right channel clock (LRCK) automatically.
  • Page 66  Users should be able to hear a mixture of microphone sound and the sound from the music player  Press KEY0 to adjust the volume; it cycles between volume level 0 to 9 Figure 5-5 illustrates the setup for this demonstration. DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 67: Sdram Test In Nios Ii

    The SDRAM controller is configured as a 64MB controller. The working frequency of the SDRAM controller is 100MHz, and the Nios II program is running on the on-chip memory. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 68  Design Tools  Quartus II v13.1  Nios II Eclipse v13.1  Demonstration Source Code  Quartus project directory: DE1_SoC_SDRAM_Nios_Test  Nios II Eclipse directory: DE1_SoC_SDRAM_Nios_Test \Software DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 69  Quartus II v13.1 and Nios II v13.1 must be pre-installed on the host PC.  Power on the DE1-SoC board.  Connect the DE1-SoC board (J13) to the host PC with a USB cable and install the USB-Blaster driver if necessary.

  • Page 70: Sdram Test In Verilog

    Figure 5-7 Display of progress and result for the SDRAM test in Nios II DE1-SoC system CD offers another SDRAM test with its test code written in Verilog HDL. The memory size of the SDRAM bank tested is still 64MB.
  • Page 71 Demonstration Setup  Quartus II v13.1 must be pre-installed to the host PC.  Connect the DE1-SoC board (J13) to the host PC with a USB cable and install the USB-Blaster II driver if necessary  Power on the DE1_SoC board.

  • Page 72: Tv Box Demonstration

    ON if the test is PASS after releasing KEY0 LEDR2 Blinks This demonstration turns DE1-SoC board into a TV box by playing video and audio from a DVD player using the VGA output, audio CODEC and the TV decoder on the DE1-SoC board. Figure shows the block diagram of the design.
  • Page 73  Batch file: DE1_SoC_TV.bat  FPGA configuration file : DE1_SoC_TV.sof  Connect a DVD player’s composite video output (yellow plug) to the Video-in RCA jack (J6) on the DE1-SoC board, as shown in Figure 5-10. The DVD player has to be configured to provide: ...

  • Page 74: Ps/2 Mouse Demonstration

     Connect the VGA output of the DE1-SoC board to a VGA monitor.  Connect the audio output of the DVD player to the line-in port of the DE1-SoC board and connect a speaker to the line-out port. If the audio output jacks from the DVD player are RCA type, an adaptor is needed to convert to the mini-stereo plug supported on the DE1-SoC board.
  • Page 75 After the power on cycle of the PS/2 mouse, it enters into stream mode automatically and disable data transmit unless an enabling instruction is received. Figure 5-11 shows the waveform while communication happening on two lines. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 76 Figure 5-11 Waveform of clock and data signals during data transmission  Project directory: DE1_SoC_PS2_DEMO  Bitstream used: DE1_SoC_PS2_DEMO.sof Demo batch file directoy: \DE1_SoC_PS2_DEMO \demo_batch The folder includes the following files:  Batch file: DE1_SoC_PS2_DEMO.bat  FPGA configuration file : DE1_SoC_PS2_DEMO.sof DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 77: Ir Emitter Led And Receiver Demonstration

    HEX2 Low byte of Y displacement HEX3 High byte of Y displacement DE1-SoC system CD has an example of using the IR Emitter LED and IR receiver. This demonstration is coded in Verilog HDL. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 78 “1” and “0”. Logical bits are transmitted as follows: Figure 5-13 • Logical '0' – a 562.5µs pulse burst followed by a 562.5µs space with a total transmit time of 1.125ms DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 79 Note: The signal received by IR Receiver is inverted. For instance, if IR TX Controller sends a lead code 9 ms high and then 4.5 ms low, IR Receiver will receive a 9 ms low and then 4.5 ms high lead code. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 80 Table 5-5 Key Code Information for Each Key on the Remote Key Code Key Code Key Code Key Code 0x0F 0x13 0x10 0x12 0x01 0x02 0x03 0x1A 0x04 0x05 0x06 0x1E 0x07 0x08 0x09 0x1B 0x11 0x00 0x17 0x1F 0x16 0x14 0x18 0x0C DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 81 Shift Register and display on the 7-segment. Figure 5-18 shows the state shift diagram of State Machine block. The input clock should be 50MHz. Figure 5-17 Modules in the IR Receiver controller DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 82  Keep pressing KEY[0] to enable the pattern to be sent out continuously by the IR TX Controller.  Observe the six HEXs according to Table 5-6  Release KEY[0] to stop the IR TX.  Point the IR receiver with the remote and press any button DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 83: Adc Reading

    The voltage should be adjusted within the range between 0 and 4.096V. The 12-bit voltage measurement is displayed on the NIOS II console. Figure 5-19 shows the block diagram of this demonstration. The default full-scale of ADC is 0~4.096V. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 84 (SCK) to operate at any frequency up to 40MHz.In this demonstration, we realized the SPI protocol in Verilog, and packet it into Avalon MM slave IP so that it can be connected to Qsys. Figure 5-21 is SPI timing specification of LTC2308. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 85 Sample Voltage = ADC Data / full scale Data * Reference Voltage. In this demonstration, full scale is 2^12 =4096. Reference Voltage is 4.096V. Thus ADC Value = ADC data/4096*4.096 = ADC data /1000 DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 86: System Requirements

    Figure -22 Example MUX Configurations  System Requirements The following items are required for this demonstration.  DE1-SoC board x1  Trimmer Potentiometer x1  Wire Strip x3  Demonstration File Locations  Hardware project directory: DE1_SoC_ADC  Bitstream used: DE1_SoC_ADC.sof ...
  • Page 87  The Nios II console will display the voltage of the specified channel voltage result information.  Provide any input voltage to other ADC channels and set SW[2:0] to the corresponding channel if user want to measure other channels Figure 5-23 Hardware setup for the ADC reading demonstration DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 88: Examples For Hps Soc

    This chapter provides several C-code examples based on the Altera SoC Linux built by Yocto project. These examples demonstrates major features connected to HPS interface on DE1-SoC board such as users LED/KEY, I2C interfaced G-sensor, and I2C MUX. All the associated files can be found in the directory Demonstrations/SOC of the DE1_SoC System CD.
  • Page 89 A Makefile is required to compile a project. The Makefile used for this demo is:  Compile Please launch Altera SoC EDS Command Shell to compile a project by executing C:\altera\13.1\embedded\Embedded_Command_Shell.bat The "cd" command can change the current directory to where the Hello World project is located. DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 90: Users Led And Key

     Execute command: ./my_first_hps  Demonstration Setup  Connect a USB cable to the USB-to-UART connector (J4) on the DE1-SoC board and the host  Copy the demo file "my_first_hps" into a microSD card under the "/home/root" folder in Linux.
  • Page 91 GPIO Interface. GPIO[28..0] is controlled by the GPIO0 controller and GPIO[57..29] is controlled by the GPIO1 controller. GPIO[70..58] and input-only GPI[13..0] are controlled by the GPIO2 controller. Figure 6-2 Block diagram of GPIO Interface DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 92 The registers of the GPIO1 controller are mapped to the base address 0xFF708000 with 4KB size, and the registers of the GPIO2 controller are mapped to the base address 0xFF70A000 with 4KB size, as shown in Figure 6-3. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 93  alt_clrbits_word: set specified bit value to zero for a specified register The program must include the following header files to use the above API to access the registers of GPIO controller. #include <stdio.h> #include <unistd.h> #include <fcntl.h> DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 94 HPS_LED is controlled by the bit-24 in the gpio_swporta_dr register of the GPIO1 controller. The status of KEY can be queried by reading the value of the bit-24 in the gpio_ext_porta register of the GPIO1 controller. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 95 The following statement is used to read the content of gpio_ext_porta register. The bit mask is used to check the status of the key. alt_read_word( ( virtual_base + ( ( uint32_t )( ALT_GPIO1_EXT_PORTA_ADDR ) & ( uint32_t )( HW_REGS_MASK ) ) ) ); DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 96: I2C Interfaced G-Sensor

     Execute command: ./hps_gpio  Demonstration Setup  Connect a USB cable to the USB-to-UART connector (J4) on the DE1-SoC board and the host  Copy the executable file "hps_gpio" into the microSD card under the "/home/root" folder in Linux.
  • Page 97 The step 4 above can be changed to the following to write a value into a register. write(file, &Data8, sizeof(unsigned char)); The step 4 above can also be changed to the following to read multiple byte values. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 98  Build command: make ('make clean' to remove all temporal files)  Execute command: ./gsensor [loop count]  Demonstration Setup  Connect a USB cable to the USB-to-UART connector (J4) on the DE1-SoC board and the host DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 99: I2C Mux Test

     Insert the booting microSD card into the DE1-SoC board.  Power on the DE1-SoC board.  Launch PuTTY to establish connection to the UART port of DE1-SoC board. Type "root" to login Yocto Linux.  Execute "./gsensor" in the UART terminal of PuTTY to start the G-sensor polling.
  • Page 100 ( uint32_t )( HW_REGS_MASK ) ) ), HPS_I2C_CONTROL The following statement is used to set HPS_I2C_CONTROL low. alt_clrbits_word( ( virtual_base + ( ( uint32_t )( ALT_GPIO1_SWPORTA_DR_ADDR ) & ( uint32_t )( HW_REGS_MASK ) ) ), HPS_I2C_CONTROL DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 101  Execute command: ./ i2c_switch  Demonstration Setup  Connect a USB cable to the USB-to-UART connector (J4) on the DE1-SoC board and host PC.  Copy the executable file " i2c_switch " into the microSD card under the "/home/root" folder in Linux.

  • Page 102: Examples For Using Both Hps Soc And Fgpa

    HPS.  Function Block Diagram Figure 7-1 shows the block diagram of this demonstration. The HPS uses Lightweight HPS-to-FPGA AXI Bridge to communicate with FPGA. The hardware in FPGA part is built into DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 103 0x01, and the data register offset is 0x00. The following statement is used to retrieve the base address of PIO slave IP. h2p_lw_led_addr=virtual_base+( ( unsigned long )( ALT_LWFPGASLVS_OFST + LED_PIO_BASE ) & ( unsigned long)( HW_REGS_MASK ) ); DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 104  Quartus II and Nios II must be installed on the host PC.  The MSEL[4:0] is set to 01010 or 01110.  Connect a USB cable to the USB-Blaster II connector (J13) on the DE1-SoC board and the host PC. Install the USB-Blaster II driver if necessary.
  • Page 105  Power on the DE1-SoC board.  Launch PuTTY to establish connection to the UART port of the DE1-SoC board. Type "root" to login Altera Yocto Linux.  Execute "./hps_config_fpga soc_system_dc.rbf " in the UART terminal of PuTTY to configure the FPGA through the FPGA manager.

  • Page 106: De1-Soc Control Panel

    GUI program step by step. The DE1-SoC Linux Frame Buffer Project is a example that a VGA monitor is utilized as a standard output interface for the linux operate system. The Quartus II project is located at this path: Demonstrations/SOC_FPGA/DE1_SOC_Linux_FB.
  • Page 107 These examples provide a GUI environment for further developing for the users. For example, a QT application can run on the system. Figure 7-5 Screenshot of DE1-SoC Linux Console with framebuffer Please refer to DE1-SoC_Getting_Started_Guide about how to get the SD images and create a boot SD card.

  • Page 108: Programming The Epcs Device

    The FPGA should be set to AS x1 mode i.e. MSEL[4..0] = “10010” to use the quad Flash as a FPGA configuration device. 1. Choose Convert Programming Files from the File menu of Quartus II, as shown in Figure 8-1. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 109 5. Browse to the target directory from the File name field and specify the name of output file. 6. Click on the SOF data in the section of Input files to convert, as shown in Figure 8-2. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 110 8. Select the .sof to be converted to a .jic file from the Open File dialog. 9. Click Open. 10. Click on the Flash Loader and click Add Device, as shown in Figure 8-3. 11. Click OK and the Select Devices page will appear. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 111 12. Select the targeted FPGA to be programed into the EPCS, as shown in Figure 8-4. 13. Click OK and the Convert Programming Files page will appear, as shown in Figure 8-5. 14. Click Generate. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 112 Figure 8-4 “Select Devices” page DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 113: Write Jic File Into The Epcs Device

    2. Choose Programmer from the Tools menu and the Chain.cdf window will appear. 3. Click Auto Detect and then select the correct device. Both FPGA device and HPS should be detected, as shown in Figure 8-6. DE1-SoC User Manual www.terasic.com August 5, 2015...
  • Page 114 5. Program the EPCS device by clicking the corresponding Program/Configure box. A factory default SFL image will be loaded, as shown in Figure 8-7. 6. Click Start to program the EPCS device. Figure 8-6 Two devices are detected in the Quartus II Programmer DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 115: Erase The Epcs Device

    Programming File page will appear. Select the correct .jic file. 5. Erase the EPCS device by clicking the corresponding Erase box. A factory default SFL image will be loaded, as shown in Figure 8-8. DE1-SoC User Manual www.terasic.com August 5, 2015...

  • Page 116: Nios Ii Boot From Epcs Device In Quartus Ii V13.1

    Figure 8-8 Erase the EPCS device in Quartus II Programmer 6. Click Start to erase the EPCS device. There is a known problem in Quartus II software that the Quartus Programmer must be used to program the EPCS device on DE1-SoC board. Please refer to Altera’s website here with details step by step.

  • Page 117: Appendix

    V1.2.1 Modify Figure 3-2 V1.2.2d Modify Figure 5-5 descriptions of remote controller V2.0.0 Replay ADC device and modify demo description V2.0.1 Modify EPCQ256 to EPCS128 Copyright © 2015 Terasic Technologies. All rights reserved. DE1-SoC User Manual www.terasic.com August 5, 2015...

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