CN103853683A - Method for realizing multi-serial-port data communication - Google Patents
Method for realizing multi-serial-port data communication Download PDFInfo
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- CN103853683A CN103853683A CN201410082158.8A CN201410082158A CN103853683A CN 103853683 A CN103853683 A CN 103853683A CN 201410082158 A CN201410082158 A CN 201410082158A CN 103853683 A CN103853683 A CN 103853683A
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Abstract
The invention discloses a method for realizing multi-serial-port data communication. The method comprises an X86 architecture computer Linux system, a PCIe multi-serial-port card driver, a serial port driver, a Linux driver and a home-made platform computer Linux operating system. The design of the invention is based on the Linux operating system of an X86 architecture computer platform, and the relation among the PCIe multi-serial-port data communication card driver, the serial port driver and a Linux kernel is analyzed. The application of the PCIe multi-serial-port data communication card driver, the serial port driver and the Linux kernel to the home-made platform computer is realized according to the structure of a Linux equipment driver, and the multi-serial-port identification and data communication functions of the home-made platform computer are perfected. The method can be taken as a debugging method in the multi-serial-port data communication and debugging of the home-made platform computer, and has the characteristics of high universality, easiness, controllability, high cost performance and the like. By adopting the method, multi-serial-port data communication can be finished smoothly, the problem of customization of serial ports on the home-made platform computer is solved, waste of resources is prevented, and the cost performance is improved.
Description
Technical field
The present invention relates to the many serial datas communication technique field under linux operating system, comprise the equipment such as desk-top desktop computer, terminal, charge computing machine; Relate in particular to many serial datas mechanics of communication and method based on Domestic Platform computing machine.
Technical background
The communication of many serial datas is an important branch of computer utility direction, and mainly research is the collection of many serial ports, the Storage and Processing of data.Many serial datas address card based on pci bus technology is the focus that pursue in market always.In bussing technique, PCI local bus relies on its excellent data transmission performance, becomes the main flow of microcomputer bus.Along with the development of informatization on nation defence, the many serial datas communication based on Domestic Platform computing machine becomes a kind of demand gradually.
The present invention's design has been carried out research to many serial datas of PCIe mechanics of communication, based on X86-based linux operating system, analyze linux kernel and the relation with device driver thereof, ensured that according to the structure of Linux device drives many serial datas of PCIe address card can be applied to the linux operating system of Domestic Platform computing machine.The present invention's design can complete the data communication of many serial ports smoothly, and solution Domestic Platform computer user customizes the problem of serial ports, avoids the wasting of resources, has improved cost performance.
Summary of the invention
The technical problem to be solved in the present invention is: in order to realize many serial datas of production domesticization computing machine communication function, solve the problem that Domestic Platform computer user customizes serial ports, the present invention designs the linux operating system based on X86-based computer platform, has analyzed the relation of the driving of many serial datas of PCIe address card, serial port drive and linux kernel; According to the structure of Linux device drives, realize the driving of many serial datas of PCIe address card, serial port drive and the application of linux kernel on Domestic Platform computing machine, and many serial ports identifications, the data communication facility of perfect Domestic Platform computing machine.
The technical solution adopted in the present invention is:
A kind of many serial datas communication implementation method, comprise by X86-based computer linux system, the driving of PCIe multi-serial-port card, serial port drive, linux and driving and Domestic Platform computing machine linux operating system, linux operating system based on X86-based computer platform, has analyzed the relation of the driving of many serial datas of PCIe address card, serial port drive and linux kernel; According to the structure of Linux device drives, realize the driving of many serial datas of PCIe address card, serial port drive and the application of linux kernel on Domestic Platform computing machine, and many serial ports identifications, the data communication facility of perfect Domestic Platform computing machine;
Described method performing step is as follows:
1), by X86-based computer linux system, analyze linux kernel, serial port drive and the relation with many serial datas of PCIe address card driver thereof;
According to the structure of Linux device drives, in linux kernel, many serial datas of patch PCIe address card drives, and realizes many serial datas of PCIe communication function under X86-based computer linux system;
According to many serial datas Principle of Communication under X86-based computer linux system, many serial datas of PCIe address card is driven and is transplanted in the linux kernel of Domestic Platform computing machine, according to the structure of linux kernel serial port drive, realize many serial datas communication function of Domestic Platform computing machine.
2) complete the many serial datas communication function under Domestic Platform computing machine linux system according to step 1), in order to facilitate the application of user to the communication of many serial datas, need to identify optimization to customization serial ports, this just need to configure relevant CPU serial ports in kernel serial port drive:
#ifdef?CONFIG_CPU_UART
PORT_LOONGSON3(CPU_UART0_MEM_BASE,?CPU_UART0_MAP_BASE,
UART_CLK_33M),
PORT_LOONGSON3(CPU_UART1_MEM_BASE,?CPU_UART1_MAP_BASE,
UART_CLK_33M),
The configuration of SUPERIO extended serial port:
static?struct?plat_serial8250_port?loongson3a_data[]?=?{
PORT(0x3f8,?9),
PORT(0x2f8,?7),
PORT(0x338,?4),
PORT(0x238,?3),
PORT(0x3e8,?4),
PORT(0x2e8,?3),
//PORT_M(58,0xffffffffbfe001e8),
//PORT_M(21,0xffffffffb80002f8),
//PORT_M(21,0xffffffffb80003f8),
{?},
};
Be optimized, thereby retain serial ports according to actual needs, realize many serial ports identification and optimize.
Beneficial effect of the present invention is:
In many serial datas of Domestic Platform computing machine communication debugging, this invention can be used as a kind of adjustment method, there is highly versatile, simply controlled, cost performance high, can complete smoothly the data communication of many serial ports, solve the problem that Domestic Platform computer user customizes serial ports, avoid the wasting of resources, improved cost performance.
Brief description of the drawings
Fig. 1 is that the communication of many serial datas realizes block diagram;
Fig. 2 is many serial datas communication realization flow figure.
Embodiment
With reference to the accompanying drawings, by embodiment, the present invention is further described:
A kind of many serial datas communication implementation method, as shown in Figure 1, comprise by X86-based computer linux system, the driving of PCIe multi-serial-port card, serial port drive, linux and driving and Domestic Platform computing machine linux operating system, linux operating system based on X86-based computer platform, has analyzed the relation of the driving of many serial datas of PCIe address card, serial port drive and linux kernel; According to the structure of Linux device drives, realize the driving of many serial datas of PCIe address card, serial port drive and the application of linux kernel on Domestic Platform computing machine, and many serial ports identifications, the data communication facility of perfect Domestic Platform computing machine; Described method performing step is as follows:
1) as shown in Figure 2,, by X86-based computer linux system, analyze linux kernel, serial port drive and the relation with many serial datas of PCIe address card driver thereof;
According to the structure of Linux device drives, in linux kernel, many serial datas of patch PCIe address card drives, and realizes many serial datas of PCIe communication function under X86-based computer linux system;
According to many serial datas Principle of Communication under X86-based computer linux system, many serial datas of PCIe address card is driven and is transplanted in the linux kernel of Domestic Platform computing machine, according to the structure of linux kernel serial port drive, realize many serial datas communication function of Domestic Platform computing machine.
2) complete the many serial datas communication function under Domestic Platform computing machine linux system according to step 1), in order to facilitate the application of user to the communication of many serial datas, need to identify optimization to customization serial ports, this just need to configure relevant CPU serial ports in kernel serial port drive:
#ifdef?CONFIG_CPU_UART
PORT_LOONGSON3(CPU_UART0_MEM_BASE,?CPU_UART0_MAP_BASE,
UART_CLK_33M),
PORT_LOONGSON3(CPU_UART1_MEM_BASE,?CPU_UART1_MAP_BASE,
UART_CLK_33M),
The configuration of SUPERIO extended serial port:
static?struct?plat_serial8250_port?loongson3a_data[]?=?{
PORT(0x3f8,?9),
PORT(0x2f8,?7),
PORT(0x338,?4),
PORT(0x238,?3),
PORT(0x3e8,?4),
PORT(0x2e8,?3),
//PORT_M(58,0xffffffffbfe001e8),
//PORT_M(21,0xffffffffb80002f8),
//PORT_M(21,0xffffffffb80003f8),
{?},
};
Be optimized, thereby retain serial ports according to actual needs, realize many serial ports identification and optimize.
Claims (1)
1. the implementation method of serial data communication more than a kind, comprise that X86-based computer linux system, the driving of PCIe multi-serial-port card, serial port drive, linux drive and Domestic Platform computing machine linux operating system, it is characterized in that: the linux operating system based on X86-based computer platform, the relation of the driving of many serial datas of analysis PCIe address card, serial port drive and linux kernel; According to the structure of Linux device drives, realize the driving of many serial datas of PCIe address card, serial port drive and the application of linux kernel on Domestic Platform computing machine, and many serial ports identifications, the data communication facility of perfect Domestic Platform computing machine; Described method performing step is as follows:
1), by X86-based computer linux system, analyze linux kernel, serial port drive and the relation with many serial datas of PCIe address card driver thereof;
According to the structure of Linux device drives, in linux kernel, many serial datas of patch PCIe address card drives, and realizes many serial datas of PCIe communication function under X86-based computer linux system;
According to many serial datas Principle of Communication under X86-based computer linux system, many serial datas of PCIe address card is driven and is transplanted in the linux kernel of Domestic Platform computing machine, according to the structure of linux kernel serial port drive, realize many serial datas communication function of Domestic Platform computing machine;
2) complete the many serial datas communication function under Domestic Platform computing machine linux system according to step 1), customization serial ports identified to optimization, relevant CPU serial ports in kernel serial port drive is configured:
#ifdef?CONFIG_CPU_UART
PORT_LOONGSON3(CPU_UART0_MEM_BASE,?CPU_UART0_MAP_BASE,
UART_CLK_33M),
PORT_LOONGSON3(CPU_UART1_MEM_BASE,?CPU_UART1_MAP_BASE,
UART_CLK_33M),
The configuration of SUPERIO extended serial port:
static?struct?plat_serial8250_port?loongson3a_data[]?=?{
PORT(0x3f8,?9),
PORT(0x2f8,?7),
PORT(0x338,?4),
PORT(0x238,?3),
PORT(0x3e8,?4),
PORT(0x2e8,?3),
//PORT_M(58,0xffffffffbfe001e8),
//PORT_M(21,0xffffffffb80002f8),
//PORT_M(21,0xffffffffb80003f8),
{?},
};
Be optimized, retain according to actual needs serial ports, realize many serial ports identification and optimize.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082158.8A CN103853683B (en) | 2014-03-07 | 2014-03-07 | A kind of Multi-serial port data communication implementation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410082158.8A CN103853683B (en) | 2014-03-07 | 2014-03-07 | A kind of Multi-serial port data communication implementation method |
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| CN103853683B CN103853683B (en) | 2017-09-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107273129A (en) * | 2017-06-16 | 2017-10-20 | 深圳市智微智能科技开发有限公司 | A kind of method for supporting Multi-serial port, device and terminal device |
| WO2017193898A1 (en) * | 2016-05-09 | 2017-11-16 | 广州广电运通金融电子股份有限公司 | Serial port mapping method and device based on linux or unix kernel operating system |
| CN109062542A (en) * | 2018-03-15 | 2018-12-21 | 山东超越数控电子股份有限公司 | A kind of method that domestic ten thousand Broadcom realizes network communication |
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|---|---|---|---|---|
| CN102023874A (en) * | 2009-09-14 | 2011-04-20 | 联芯科技有限公司 | Dual Linux core processing device and method for starting core of Linux system |
| CN102866966A (en) * | 2012-08-28 | 2013-01-09 | 大唐移动通信设备有限公司 | Device driver control method and device for Linux operating system |
| CN103294509A (en) * | 2013-05-17 | 2013-09-11 | 深圳市亿威尔信息技术股份有限公司 | Multi-serial equipment driving process for VxWorks operating system |
-
2014
- 2014-03-07 CN CN201410082158.8A patent/CN103853683B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102023874A (en) * | 2009-09-14 | 2011-04-20 | 联芯科技有限公司 | Dual Linux core processing device and method for starting core of Linux system |
| CN102866966A (en) * | 2012-08-28 | 2013-01-09 | 大唐移动通信设备有限公司 | Device driver control method and device for Linux operating system |
| CN103294509A (en) * | 2013-05-17 | 2013-09-11 | 深圳市亿威尔信息技术股份有限公司 | Multi-serial equipment driving process for VxWorks operating system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017193898A1 (en) * | 2016-05-09 | 2017-11-16 | 广州广电运通金融电子股份有限公司 | Serial port mapping method and device based on linux or unix kernel operating system |
| CN107273129A (en) * | 2017-06-16 | 2017-10-20 | 深圳市智微智能科技开发有限公司 | A kind of method for supporting Multi-serial port, device and terminal device |
| CN109062542A (en) * | 2018-03-15 | 2018-12-21 | 山东超越数控电子股份有限公司 | A kind of method that domestic ten thousand Broadcom realizes network communication |
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| CN103853683B (en) | 2017-09-15 |
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Address after: 250100, No. 2877, fairway, Sun Town, Ji'nan hi tech Zone, Shandong Patentee after: SHANDONG CHAOYUE CNC ELECTRONICS Co.,Ltd. Address before: 250100, No. 2877, fairway, Sun Town, Ji'nan hi tech Zone, Shandong Patentee before: SHANDONG CHAOYUE NUMERICAL CONTROL ELECTRONIC Co.,Ltd. |