DE2-115: User Manual

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Figure 6-16 Waveforms on two lines while communication taking place • Demonstration Setup, File Locations, and Instructions Project directory: DE2_115_PS2_DEMO Bit stream used : DE2_115_PS2_DEMO.sof Load the bit stream into FPGA by executing DE2_115_PS2_DEMO\demo_batch\DE2_115_PS2_DEMO.bat Plug in the PS/2 mouse Press KEY[0] for enabling data transfer Press KEY[1] to clear the display data cache You should see digital changes on 7-segment display when the PS/2 mouse moves, and the LEDG[2:0] will blink respectively when the left-button, right-button or middle-button is pressed. Table 6-2 gives the detailed information. Indicator Name LEDG[0] LEDG[1] LEDG[2] Table 6-2 Detailed information of the indicators Description Left button press indicator Right button press indicator Middle button press indicator 95
HEX0 HEX1 HEX2 HEX3 Low byte of X displacement High byte of X displacement Low byte of Y displacement High byte of Y displacement Figure 6-17 illustrates the setup of this demonstration. Figure 6-17 The setup of the PS/2 Mouse demonstration 6.9 IR Receiver Demonstration In this demonstration, the key-related information that the user has pressed on the remote controller(Figure 6-18,Table 6-3) will be displayed on the DE2-115 board. Users only need to point the remote controller to the IR receiver on DE2-115 board and press the key. After the signal being decoded and processed through FPGA, the related information will be displayed on the 7-segment displays in hexadecimal format, which contains Custom Code, Key Code and Inversed Key Code. The Custom Code and Key Code are used to identify a remote controller and key on the remote controller, respectively. Next we will introduce how this information being decoded and then displayed in this demo. When a key on the remote controller is pressed, the remote controller will emit a standard frame, shown in Figure 6-19. The beginning of the frame is the lead code represents the start bit, and then is the key-related information, and the last 1 bit end code represents the end of the frame. 96
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CONTENTS Chapter 1 DE2-115 Package
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6.9 IR Receiver Demonstration .....
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Bag of six rubber (silicon) covers
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Chapter 2 Introduction of the Alter
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One 40-pin Expansion Header with di
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40-pin expansion port o Configurabl
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You can also connect a microphone t
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5. The DE2_115_ControlPanel.sof bit
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Figure 3-3 Controlling LEDs Choosin
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Figure 3-6 Monitoring switches and
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The Sequential Read function is use
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3.7 SD Card The function is designe
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1. Choosing the VGA tab leads to th
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Figure 3-14 Testing the IR receiver
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Chapter 4 Using the DE2-115 Board T
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• Configuring the FPGA in JTAG Mo
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Figure 4-6 Connections between the
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Table 4-1 Pin Assignments for Slide
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HEX0[5] PIN_J22 Seven Segment Digit
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4.6 Using the LCD Module The LCD mo
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Figure 4-13 HSMC VCCIO supply volta
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HSMC_RX_D_N[1] PIN_C27 HSMC_RX_D_N[
Page 46 and 47: HSMC_TX_D_N[14] PIN_U28 HSMC_TX_D_N
Page 48 and 49: The voltage level of the I/O pins o
Page 50 and 51: Figure 4-19 Using Emulated LVDS on
Page 52 and 53: 4.10 Using VGA The DE2-115 board in
Page 54 and 55: Table 4-16 Pin Assignments for ADV7
Page 56 and 57: Figure 4-24 Connections between FPG
Page 58 and 59: You will need to perform a hardware
Page 60 and 61: ENET1_TX_CLK PIN_C22 MII transmit c
Page 62 and 63: 4.17 Using the USB Interface The DE
Page 64 and 65: Table 4-26 IR Pin Assignments Signa
Page 66 and 67: • EEPROM The board has 32Kb EEPRO
Page 68 and 69: SRAM_DQ[7] PIN_AF7 SRAM Data[7] 3.3
Page 70 and 71: FL_ADDR[15] PIN_Y10 FLASH Address[1
Page 72 and 73: The top-level design file contains
Page 74 and 75: • System Configuration Under Syst
Page 76 and 77: Figure 5-6 HSMC Expansion Group The
Page 78 and 79: Chapter 6 Examples of Advanced Demo
Page 80 and 81: Finally, the YcrCb_to_RGB block con
Page 82 and 83: mouse connected to DE2-115 board. W
Page 84 and 85: sends a different USB packet to the
Page 86 and 87: Figure 6-7 Block diagram of the Kar
Page 88 and 89: Figure 6-9 Block Diagram of the SD
Page 90 and 91: Figure 6-11 Insert SD Card for the
Page 92 and 93: Main WAVE Lib System Call SEG7 I2C
Page 94 and 95: Figure 6-15 The setup for the SD mu
Page 98 and 99: Figure 6-18 Remote controller Table
Page 100 and 101: We can apply the IR receiver to man
Page 102 and 103: Figure 6-23 Block diagram of the Mu
Page 104 and 105: Figure 6-24 The Setup of the Music
Page 106 and 107: • Demonstration Setup, File Locat
Page 108 and 109: Figure 6-27 MII interface MAC Confi
Page 110 and 111: Figure 6-29 MAC Options Configurati
Page 112 and 113: Figure 6-32 PHY connected to the MA
Page 114 and 115: Ethernet 1 respectively. Table 6-9
Page 116: Chapter 7 Appendix 7.1 Revision His
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DE2-115: User Manual

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