为您找到约 90 条结果，搜索耗时：0.0091秒

Rivermax Linux性能调优指南

...行应用程序时以其他过程运行此代码int set_low_latfency(){uint32_t lat = 0;fd = open("/dev/cpu_dma_latency", O_RDWR);if (fd == -1) {fprintf(stderr, "Failed to open cpu_dma_latency: error %s", strerror(errno));return fd;}write(fd, &lat, sizeof(lat));return fd}disable pause framesetht...

多变循环彩灯

... { unsigned char KeyTemp,CheckValue,Key = 0x00; CheckValue = P2&0x32; if(CheckValue==0x32) return 0x00; Delay1ms(10); KeyTemp = P2&0x32; if(KeyTemp==CheckValue) return 0x00; if(!(CheckValue&0x02)) Key|=0x01; if(!(CheckValue&0x10)) Key|=0x02; if(!(C...

机械臂仿真与真机执行代码

...真机执行代码。下面展示小部分代码：Green_font_prefix="\033[32m"Red_font_prefix="\033[31m"Green_background_prefix="\033[42;37m"Red_background_prefix="\033[41;37m"Font_color_suffix="\033[0m"Info="${Green_font_prefix}[Info]${Font_color_suffix}"Error="${Red_font_prefix}[Error]${Font_colo...

汉字与图形显示

...   goto_xy(x,y,TXT);      write_dc(0xC4,Charbyte-32);       //数据一次读写方式//查字符rom   } void display_string(uchar x,uchar y,uchar *p) { while(*p != 0) { if(x > 15 )              &nb...

常用的几种通信接口 | 总结

...线宽度决定了并行接口的宽度，可以是4位、8位、16位、32位、64位等，设备支持的总线宽度应该与主控处理器完全相同。

一个布线工程师谈PCB设计的经验

...阻、电容和集成电路等，采用盘/孔尺寸 1.6mm/0.8mm（63mil/32mil），插座、插针和二极管1N4007等，采用1.8mm/1.0mm（71mil/39mil）。实际应用中，应根据实际元件的尺寸来定，有条件时，可适当加大焊盘尺寸；: PCB板上设计的元件安装孔径...

mellanox各代产品兼容性解决方案

...的平台上工作。HCA/SwitchFirmware VersionMellanox Quantum27.2008.0232Switch-IB 215.2007.0300Switch-IB11.2007.0300ConnectX®-620.27.1016ConnectX®-5 / ConnectX-5 Ex16.27.1016ConnectX®-412.27.1016ConnectX®-3 Pro2.42.5000ConnectX®-32.42.5000Connect-IB®10.16.1200MFT4.14.0-105 ConnectX-6 f...

infiniband网络监控

...ba000100e388 ports 2 "nsn33-43 HCA-1" Ca : 0x5080020000911310 ports 1 "nsn32-20 HCA-1" Ca : 0x50800200008e532c ports 1 "ib-71 HCA-1" Ca : 0x50800200008e5328 ports 1 "ib-70 HCA-1" Ca : 0x50800200008296a4 ports 2 "ib-90 HCA-1" . . . # Note:The output in the example is just a portion of the fu...

ibsystat源码分析

...unknown attr %d", attr); } return ret; } static uint8_t buf[2048 * 32]; static char *ibsystat_serv(void) { void *umad; void *mad; int attr, mod, size; DEBUG("starting to serve..."); while ((umad = mad_receive_via(buf, -1, srcport))) { if (umad_status(buf)) { DEBUG("d...

步进电机控制_液晶显示

...0x40,0x30,0x10,0x12,0x5C,0x54,0x50,0x51,  0x5E,0xD4,0x50,0x18,0x57,0x32,0x10,0x00,  0x00,0x02,0x02,0x02,0x02,0x02,0x42,0x82,  0x7F,0x02,0x02,0x02,0x02,0x02,0x02,0x00, }; uc code ZI[]= //自动化  {   0x00,0x00,0x00,0xF8,0x48,0x48,0x4C,0x4B, 0x4A,0x48,0x4...