print_task.rar_FPGA中print_task_串口协议解析_串口数据解析_命令解析_数据采集存储

共27个文件

c：13个

h：12个

hh：1个

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串口协议解析

串口数据解析

命令解析

5星 · 超过95%的资源 62 浏览量 2022-09-21 19:05:26 上传评论收藏 231KB RAR 举报

在本文中，我们将深入探讨如何在FPGA（Field-Programmable Gate Array）中实现`print_task`，以及与之相关的串口协议解析、串口数据解析、命令解析和数据采集存储。`print_task.rar`文件包含的资源可能是一个完整的项目实例，用于演示这些关键功能在门禁考勤系统的应用。 `print_task`通常指的是在FPGA设计中执行打印任务的一个特定模块。这个模块可能负责将处理后的信息通过串口输出，以供调试或者与外部设备通信。在FPGA设计中，我们使用硬件描述语言（如VHDL或Verilog）来定义`print_task`的行为，确保它能够根据预设的指令正确地发送数据。接下来，我们讨论串口协议解析。串行通信是一种常见的硬件接口，用于设备间的低速通信。在门禁考勤系统中，FPGA需要理解并解析来自指纹采集器芯片的串口协议，以便正确解读数据包。这涉及到识别起始位、停止位、数据位和校验位，并且可能还需要处理不同帧格式（如RS-232或UART）。在FPGA中实现这个功能时，我们需要构建一个状态机来跟踪接收的数据流，确保数据的完整性和准确性。串口数据解析是串口协议解析的后续步骤。这里，FPGA不仅要接收数据，还要将接收到的二进制数据转化为有意义的信息，如指纹特征数据或考勤记录。这可能涉及到解码特定的命令结构，例如，数据长度、命令代码和参数。在设计这部分时，我们需要考虑数据格式的灵活性，以便处理不同的命令和响应。命令解析是另一个关键环节，FPGA需要识别并执行来自门禁考勤系统的控制命令。命令可能包括读取指纹数据、存储考勤信息或执行特定的操作。为了实现命令解析，我们需要在FPGA设计中设置一个解析单元，它能根据接收到的命令代码触发相应的操作。数据采集和存储部分涉及从指纹采集器接收数据，处理后存储在FPGA内部的存储器或外部存储设备上。这需要设计有效的数据缓冲策略，确保数据在传输过程中不会丢失，并且能够高效地存取。此外，可能还需要考虑到数据的安全性，如加密存储或访问权限控制。总结来说，`print_task.rar`中的内容可能涵盖了一个全面的FPGA设计，它实现了串口通信协议解析、数据解析、命令处理和数据存储等功能，这对于门禁考勤系统至关重要。通过这样的设计，FPGA可以作为系统的核心，协调和处理与指纹采集器之间的通信，保证系统的稳定运行。学习并理解这些知识点，有助于开发者构建更复杂、高效的嵌入式系统。

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收起资源包目录

print_task.rar （27个子文件）

新建文件夹

Command.c 39KB

KeyBoard.c 7KB

Time.h 258B

main.c 10KB

display.h 5KB

Voice.c 2KB

KeyBoard.h 4KB

FontLib.h 630B

Rtc.c 7KB

Buzzer.cc 2KB

fingerprint.c 8KB

Task.c 186KB

Task.h 13KB

FontLib.c 1.06MB

Voice.h 307B

Time.c 7KB

my_process.h 0B

display.c 74KB

Lcd.c 22KB

Init.c 2KB

Buzzer.hh 319B

Lcd.h 7KB

Rtc.h 3KB

my_process.c 659B

Init.h 268B

fingerprint.h 6KB

Command.h 4KB

//#include "Source_Global.h" #include "..\AS60x_Header\AS60x_Device.h" //#pragma Data(TEXT, ".font"); /*const UINT8 LogoFontLib[8][128] = { {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, };*/ /* (0) !(1) "(2) #(3) $(4) %(5) &(6) '(7) ((8) )(9) *(10) +(11) ,(12) -(13) .(14) /(15) 0(16) 1(17) 2(18) 3(19) 4(20) 5(21) 6(22) 7(23) 8(24) 9(25) :(26) ;(27) <(28) =(29) >(30) ?(31) @(32) A(33) B(34) C(35) D(36) E(37) F(38) G(39) H(40) I(41) J(42) K(43) L(44) M(45) N(46) O(47) P(48) Q(49) R(50) S(51) T(52) U(53) V(54) W(55) X(56) Y(57) Z(58) [(59) \(60) ](61) ^(62) _(63) `(64) a(65) b(66) c(67) d(68) e(69) f(70) g(71) h(72) i(73) j(74) k(75) l(76) m(77) n(78) o(79) p(80) q(81) r(82) s(83) t(84) u(85) v(86) w(87) x(88) y(89) z(90) {(91) |(92) }(93) ~(94) */ //8*16 const UINT8 enFontLib[95][16] ={ {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},///" ",0 // {0x00,0x00,0x00,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xCC,0x0C,0x00,0x00,0x00},///"!",1 // {0x00,0x08,0x30,0x60,0x08,0x30,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},///""",2 // {0x02,0x03,0x1E,0x02,0x03,0x1E,0x02,0x00,0x20,0xFC,0x20,0x20,0xFC,0x20,0x20,0x00},///"#",3 // {0x00,0x0E,0x11,0x3F,0x10,0x0C,0x00,0x00,0x00,0x18,0x04,0xFF,0x84,0x78,0x00,0x00},///"$",4 // {0x0F,0x10,0x0F,0x00,0x07,0x18,0x00,0x00,0x00,0x84,0x38,0xC0,0x78,0x84,0x78,0x00},///"%",5 // {0x00,0x0F,0x10,0x11,0x0E,0x00,0x00,0x00,0x78,0x84,0xC4,0x24,0x98,0xE4,0x84,0x08},///"&",6 // {0x08,0x68,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},///"'",7 // {0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00},///"(",8 // {0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00},///")",9 // {0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00},///"*",1

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