kdk_display_get_bus_info(3)

kdk_display_get_bus_info3

获取显卡的总线地址

Usage

#include <libkydisplay.h>

extern char* kdk_display_get_bus_info();

Link with -lkyhw.

Detailed Description

The main function of the interface is to obtain the bus address of the Video card

Return value

On success, returns the Video card bus address of type char*; The returned string needs to be released by free

On error, return NULL.

Examples

#include "libkydisplay.h"
#include <stdio.h>
int main()
{
    char *vendor = kdk_display_get_vendor();
    printf("生产厂商:%s\n", vendor);
    free(vendor);
    char *product = kdk_display_get_product();
    printf("型号:%s\n", product);
    free(product);
    char *description = kdk_display_get_description();
    printf("设备类型:%s\n", description);
    free(description);
    char *id = kdk_display_get_physical_id();
    printf("物理id:%s\n", id);
    free(id);
    char *bus = kdk_display_get_bus_info();
    printf("总线地址:%s\n", bus);
    free(bus);
    char *version = kdk_display_get_version();
    printf("设备版本:%s\n", version);
    free(version);
    char *width = kdk_display_get_width();
    printf("数据宽度:%s\n", width);
    free(width);
    char *clock = kdk_display_get_clock();
    printf("频率:%s\n", clock);
    free(clock);
    char *capabilities = kdk_display_get_capabilities();
    printf("功能:%s\n", capabilities);
    free(capabilities);
    char *configuration = kdk_display_get_configuration();
    printf("配置:%s\n", configuration);
    free(configuration);
    char *resources = kdk_display_get_resources();
    printf("资源:%s\n", resources);
    free(resources);
    return 0;
} 

Conforming to

These functions are as per the withdrawn POSIX.1e draft specification. The following functions are Linux extensions: kdk_display_get_product(), kdk_display_get_description(), kdk_display_get_physical_id(), kdk_display_get_vendor(), kdk_display_get_version(), kdk_display_get_width(), kdk_display_get_clock(), kdk_display_get_capabilities(), kdk_display_get_configuration() and kdk_display_get_resources().

From libkysdk-system 3.0.1.4-1 in Arch Linux 2026-11-07. Parsed by carta from the page's man source.