uf->uart_device = rt_device_find(cfg->uart_name); if (uf->uart_device == RT_NULL || uf->uart_device->type != RT_Device_Class_Char) { rt_free(uf); return RT_NULL; } rt_snprintf(ufsem_name, RT_NAME_MAX, "ufsem%d", rx_sem_count++); ...
| 十三. Android下打开串口节点可能出现权限问题: |\\\///一. 需求说明:1. 了解I.MX6 Linux内核是如何在板级文件中注册UART设备(device);2. 了解I.MX6 Linux内核是如何加载UART驱动(driver);3. 了解I.MX6 Linux内核串口设备节点为什么有ttymxc这个前缀; 二. 参考文章:1. MarS Board i.MX6 IOMUX解析: ur...
The present invention embodiment comprises an arrangement of integrated circuits with a UART device that is configurable to operate in a power-reduced mode while the clock frequency of serial data communication remains constant. In one example embodiment, an arrangement of a plurality of integrated ...
#ifdef RT_USING_UART1 extern struct rt_device uart1_device; extern void rt_hw_serial_isr(struct rt_device *device); /* enter interrupt */ rt_interrupt_enter(); rt_hw_serial_isr(&uart1_device);//这个函数应该如何使用? /* leave interrupt */ rt_interrupt_leave(); #endif } 通过中断接...
rt_device_set_rx_indicate(serial, uart_input);/发送字符串/ rt_device_write(serial, 0, str, ...
Add support to the existing UART emulated bus, to have a client device emulator. 👍 1 zephyrbot added area: Shell area: HW Emulation area: UART area: Devmux area: Logging labels Jul 12, 2024 pdgendt mentioned this pull request Jul 12, 2024 emul: Allow emulated drivers without a ...
* OK335xS UART device registe hacking * 声明: * 1. 本文是对OK335xS Linux内核中UART设备注册代码进行跟踪; * 2. 本人在文中采用函数调用线路图进行标记,方便阅读; * 3. 代码跟踪的用的是vim+ctags; * * 2015-6-30 晴 深圳 南山平山村 曾剑锋 ...
UART device with Baud rate detection and set function and detection and set method thereofdoi:CN101626288 AThe invention relates to a UART device with Baud rate detection and set function and a detection and set method thereof. By adopting a programmable logic device, a receiving/sending control...
This article introduces the working principle of UART device, and uses device, WinDriver software from Jungo to implement the driver development of a device which converts from PCI to UART..关键词: WinDriver PCI to UART Device driver program ...
* I.MX6_Linux_UART_device&driver_hacking * 声明: * 1. 目录脚本生成: * grep -v '^\s' I.MX6_UART_hacking.txt | grep '\.' * 2. 该文章是在vim中编辑,请尽量是用vim来阅读,这样就不会出现缩进不对齐的问题; * 3. 本人阅读源码使用了ctags,强烈建议您使用类似高效的工具进行内核源代码阅读;...