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46 Commits

Author SHA1 Message Date
Meco Man f58d3c5200 rt_device_write/read return data type as rt_ssize_t 
rt_ssize_t can give negative error code, which follows the unix style correctly
 2023-02-07 21:43:57 -05:00
guo ecf2d82159
sync branch rt-smart. (#6641) 
* Synchronize the code of the rt mart branch to the master branch.
  * TTY device
  * Add lwP code from rt-smart
  * Add vnode in DFS, but DFS will be re-write for rt-smart
  * There are three libcpu for rt-smart:
    * arm/cortex-a, arm/aarch64
    * riscv64

Co-authored-by: Rbb666 <zhangbingru@rt-thread.com>
Co-authored-by: zhkag <zhkag@foxmail.com>
 2022-12-03 12:07:44 +08:00
Meco Man 6cf3256d4c [device.c] fix the comment, add RT_DEBUG_LOG 2022-03-27 23:19:25 -04:00
Meco Man 65ecca80ee [kernel] improve comments 2022-01-20 20:58:46 +08:00
Meco Man 7c789d4b11 revise some RT_USING_POSIX to RT_USING_POSIX_DEVIO 2021-11-24 09:47:55 -05:00
yangjie 464d0c5a97 [kernel] update comments 2021-09-11 16:40:56 +08:00
yangjie a912a2f88f [kernel]Normalized kernel API annotation 2021-09-10 17:31:31 +08:00
Meco Man 24b4b6cbb9 [kernel]补充endif后缀注释 2021-06-10 01:48:17 +08:00
Meco Man 846102efa1 [kernel][device] remove rt_device_init_all() 2021-03-19 03:01:07 +08:00
Meco Man 678306d300 [kernel]auto formatted 2021-03-08 11:25:38 +08:00
bernard b4e57db1a8 [kernel] Use object_find to implement thread_find/device_find 2020-12-31 09:47:55 +08:00
Bernard Xiong 992d3af3ae [kernel] code and comments cleanup 2019-12-16 13:59:46 +08:00
Bernard Xiong ff08faf605 [Kernel] Adjust the copyright information 2018-09-25 11:06:07 +08:00
Bernard Xiong 41f7f2c284 [Kernel] Update to Apache License v2.0 
Update license for RT-Thread kernel.
 2018-09-14 22:37:43 +08:00
liang yongxiang 5213fd0e95 [kernel] splite rt_device_unregister() and rt_device_destroy(), add assert to device object 2018-07-11 14:58:59 +08:00
Bernard Xiong ef132f3c94 [Kernel] clean code for indentation. 2018-06-26 11:57:20 +08:00
Bernard Xiong a1a56ce1d1 [Kernel] Add flag in wait queue and fix wakeup issue. 2018-06-26 11:19:38 +08:00
Bernard Xiong 884fb70fe9 [Kernel] Add device ops feature. 2018-06-10 17:59:17 +08:00
BernardXiong 992e10ae08 [Kernel] fix the compiling warning. 2017-12-31 14:45:16 +08:00
Bernard Xiong 8ff8436fcd [Kernel] Add device_create/destroy api 2017-12-24 00:06:29 +08:00
bernard 8a38307e2c [libc] Add RT_USING_POSIX macro. 
1. Add macro check in rtdebug.h;
2. Use RT_USING_POSIX for poll/select, stdin etc.
3. Split dfs_posix.h to dfs_posix.h, dfs_poll.h and dfs_select.h;
 2017-10-17 22:27:06 +08:00
bernard b27c7e4826 [Kernel] Add signal implementation. 
1. Add signal implementation;
2. Change the 'rt_uint8_t' of cmd to 'int';
 2017-10-15 22:31:53 +08:00
Bernard Xiong daf488ca77 fix the open_flag initialization issue. 2016-04-02 14:42:38 +08:00
Bernard Xiong bd6b39cace Update device.c 2014-09-19 14:29:03 +08:00
bernard 33fed1b167 [Kernel] Better documentation for doxygen. 2014-07-21 06:29:15 +08:00
bernard 1e7b089494 [Kernel] Remove rt_device_init_all implemetation. 2014-07-10 13:34:52 +08:00
Grissiom dc366ecf7a device: only increase the ref_count when device is truly opened 2014-06-18 11:16:21 +08:00
Grissiom 7bcce9e87f device: add ref_count support 
This is a simple work around to the current device stack design. A
ref_count could let different modules to open/close the same device
independently without interfere others in some degree.

But there is still some data shared between the modules, like flag,
open_flag and user_data. Moreover, it won't yield an error if A open a
device, and B read from it before open it in B. Maybe alloc a new handle
in rt_device_open will be the ultimate solution. But that is much bigger
change and we may leave it to future development.
 2013-07-09 15:44:55 +08:00
Bernard Xiong 79392bb082 Embedded GPLv2 license. 2013-06-24 17:06:09 +08:00
bernard.xiong cb496872b3 return RT_EOK if the device interface not exist. 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2519 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2012-12-25 01:44:23 +00:00
dzzxzz@gmail.com 7e159dfb76 fixed the coding style in device.c 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2502 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2012-12-20 07:48:59 +00:00
dzzxzz@gmail.com 5334925454 fixed the coding style in device.c 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2386 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2012-11-03 07:27:53 +00:00
bernard.xiong@gmail.com e737514f86 add device check in register function, which is provided by Rob <rdent@iinet.net.au>. 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2355 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2012-10-19 22:44:34 +00:00
bernard.xiong@gmail.com 25268ad23d Add more symbols export for application module. 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2205 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2012-07-06 11:20:53 +00:00
bernard.xiong@gmail.com 0f519b6721 move src\kservice.h to include\rtservice.h. 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2005 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2012-03-22 06:11:44 +00:00
dzzxzz 12b5e56f46 unify the coding style of kernel 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1998 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2012-03-17 06:43:49 +00:00
dzzxzz 9b9aaf6032 format the code in device.c,change the space to tab 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1885 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2011-12-28 02:49:11 +00:00
wuyangyong 85ceda00da fixed rt_device_init issues. 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1882 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2011-12-27 05:41:04 +00:00
dzzxzz c0f80bdf9a cleanup kernel code 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1715 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2011-09-21 03:56:42 +00:00
bernard.xiong@gmail.com 7a80d831c9 update doxygen comments. 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1132 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2010-11-29 00:04:55 +00:00
bernard.xiong fca4e1a719 remove rt_object_find function. 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@690 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2010-05-03 23:17:25 +00:00
bernard.xiong 5e82a9a022 remove rt_passed_second in clock; init device driver when driver has been opened if it is not in activate status; change interrupt nest count to rt_uint8_t; add rt_console_set_device function in kservice.c (rt_kprintf function can use device right now) 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@464 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2010-03-08 23:09:40 +00:00
bernard.xiong 51e2d91378 add license and copyright info 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@226 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2009-12-25 12:18:53 +00:00
bernard.xiong bd533b3743 cleanup output message. 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@198 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2009-12-13 15:38:25 +00:00
bernard.xiong 6db90b15af fix the cortex-m3 context switch bug when interrupt preempts pendsv exception; add RT_LWIP_ETH_PAD_SIZE option; fix device activate flag set issue in init function. 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@193 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2009-12-06 23:50:17 +00:00
bernard.xiong bda4730a94 import RT-Thread RTOS 0.3.x to Google SVN 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2 bbd45198-f89e-11dd-88c7-29a3b14d5316
 2009-07-02 22:48:23 +00:00