Merge remote-tracking branch 'upstream/master'
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Bernard Xiong
commit
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README.md
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README.md
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[](https://travis-ci.org/RT-Thread/rt-thread)
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[](https://gitter.im/RT-Thread/rt-thread?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
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RT-Thread is an open source real-time operating system for embedded devices from China. RT-Thread RTOS is a scalable real-time operating system: a tiny kernel for ARM Cortex-M0, Cortex-M3/4, or a full feature system in ARM Cortex-A8, ARM Cortex-A9 DualCore etc.
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RT-Thread is an open source real-time operating system for embedded devices from China. RT-Thread RTOS is a scalable real-time operating system: a tiny kernel for ARM Cortex-M0, Cortex-M3/4/7, or a rich feature system like ARM Cortex-A8, ARM Cortex-A9 DualCore etc.
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## Overview ##
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RT-Thread RTOS like a traditional real-time operating system. The kernel has real-time multi-task scheduling, semaphore, mutex, mail box, message queue etc. However, it has two different things:
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* Device Driver;
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* Component.
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* Component;
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* Application Module
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The device driver is more like a driver framework, UART, SPI, USB device/host, EMAC, MTD NAND etc. The developer can easily add low level driver and board configuration, then he/she can use lots of features.
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The device driver is more like a driver framework, UART, IIC, SPI, SDIO, USB device/host, EMAC, MTD NAND etc. The developer can easily add low level driver and board configuration, then he/she can use lots of features.
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The Component is a software concept upon RT-Thread kernel, for example a shell (finsh shell), virtual file system (FAT, YAFFS, UFFS, ROM/RAM file system etc), TCP/IP protocol stack (lwIP), POSIX interface etc. One component must be a directory under RT-Thread/Components and one component can be descripted by a SConscript file (then be compiled and linked into the system).
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The Component is a software concept upon RT-Thread kernel, for example a shell (finsh/msh shell), virtual file system (FAT, YAFFS, UFFS, ROM/RAM file system etc), TCP/IP protocol stack (lwIP), POSIX (thread) interface etc. One component must be a directory under RT-Thread/Components and one component can be descripted by a SConscript file (then be compiled and linked into the system).
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The Appliation Module, or User Applicaion (UA) is a dyanmic loaded module, it can be compiled standalone without Kernel. Each UA has its own object container to manage thread/semaphore/kernel object which was created or initialized inside this UA. More information about UA, please visit another [git repo](https://github.com/RT-Thread/rtthread-apps).
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## Board Support Package ##
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RT-Thread RTOS can support many architectures:
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* ARM Cortex-M0
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* ARM Cortex-M3/M4
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* ARM Cortex-M3/M4/7
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* ARM Cortex-R4
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* ARM Cortex-A8/A9
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* ARM920T/ARM926 etc
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@ -37,18 +40,16 @@ As a special exception, including RT-Thread RTOS header files in a file, instant
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## Usage ##
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RT-Thread RTOS uses [scons](http://www.scons.org) as its building system. Therefore, please install scons and Python 2.7 firstly.
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RT-Thread RTOS uses [scons](http://www.scons.org) as building system. Therefore, please install scons and Python 2.7 firstly.
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So far, the RT-Thread scons building system support the command line compiling or generate some IDE's project. There are some option varaibles in the scons building script:
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In rtconfig.py file:
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So far, the RT-Thread scons building system support the command line compile or generate some IDE's project. There are some option varaibles in the scons building script (rtconfig.py):
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* ```CROSS_TOOL``` the compiler which you want to use, gcc/keil/iar.
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* ```EXEC_PATH``` the path of compiler.
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In SConstruct file:
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```RTT_ROOT``` This variable is the root directory of RT-Thread RTOS. If you build the porting in the bsp directory, you can use the default value. Also, you can set the root directory in ```RTT_ROOT``` environment variable.
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```RTT_ROOT``` This variable is the root directory of RT-Thread RTOS. If you build the porting in the bsp directory, you can use the default setting. Also, you can set the root directory in ```RTT_ROOT``` environment variable and not modify SConstruct files.
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When you set these variables correctly, you can use command:
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@ -56,13 +57,13 @@ When you set these variables correctly, you can use command:
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under BSP directory to simplely compile RT-Thread RTOS.
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If you want to generate the IDE's project file, firstly you should change the ```RTT_CC``` in the rtconfig.py file. Then use command:
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scons --target=mdk/mdk4/iar/cb -s
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If you want to generate the IDE's project file, you can use command:
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s
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scons --target=mdk/mdk4/mdk5/iar/cb -s
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to generate the project file.
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NOTE: RT-Thread scons building system will tailor the system according to your rtconfig.h configuration header file. For example, if you disable the lwIP in the rtconfig.h by commenting the ```#define RT_USING_LWIP```, the generated project file has no lwIP related files.
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NOTE: RT-Thread scons building system will tailor the system according to your rtconfig.h configuration header file. For example, if you disable the lwIP in the rtconfig.h by commenting the ```#define RT_USING_LWIP```, the generated project file should have no lwIP related files.
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## Contribution ##
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@ -142,10 +142,8 @@ void rtthread_startup(void)
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int main(void)
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{
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rt_uint32_t level UNUSED;
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/* disable interrupt first */
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level = rt_hw_interrupt_disable();
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rt_hw_interrupt_disable();
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rtthread_startup();
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return 0;
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@ -66,7 +66,7 @@ void rt_hw_serial_init(void);
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void rt_hw_uart_isr(struct rt_lpcserial* lpc_serial)
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{
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UNUSED rt_uint32_t iir;
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RT_UNUSED rt_uint32_t iir;
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RT_ASSERT(lpc_serial != RT_NULL)
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@ -66,7 +66,7 @@ void rt_hw_serial_init(void);
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void rt_hw_uart_isr(int irqno, void *param)
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{
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UNUSED rt_uint32_t iir;
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RT_UNUSED rt_uint32_t iir;
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struct rt_lpcserial* lpc_serial = (struct rt_lpcserial*)param;
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RT_ASSERT(lpc_serial != RT_NULL)
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@ -90,10 +90,8 @@ void rtthread_startup(void)
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int main(void)
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{
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rt_uint32_t UNUSED level;
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/* disable interrupt first */
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level = rt_hw_interrupt_disable();
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rt_hw_interrupt_disable();
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/* init system setting */
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SystemInit();
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@ -51,7 +51,7 @@ void rt_serial_handler(int vector, void *param)
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{
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//rt_kprintf("in rt_serial_handler\n");
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rt_int32_t stat = *(RP)UART0_IIR ;
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UNUSED char c;
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RT_UNUSED char c;
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/*Received data*/
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if (((stat & 0x0E) >> 1) == 0x02)
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@ -271,7 +271,7 @@ static rt_err_t sd_readblock(rt_uint32_t address, rt_uint8_t* buf)
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U32 complete,i;
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rt_uint8_t temp;
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rt_err_t err;
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UNUSED rt_uint32_t discard;
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RT_UNUSED rt_uint32_t discard;
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#ifdef USE_TIMEOUT
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rt_uint32_t to = 10;
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#endif
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@ -85,10 +85,8 @@ void rtthread_startup(void)
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int main(void)
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{
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rt_uint32_t UNUSED level;
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/* disable interrupt first */
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level = rt_hw_interrupt_disable();
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rt_hw_interrupt_disable();
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/* startup RT-Thread RTOS */
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rtthread_startup();
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#define FINSH_THREAD_STACK_SIZE 1024
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#define FINSH_HISTORY_LINES 1
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/* Using symbol table */
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#define FINSH_USING_SYMTAB
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#define FINSH_USING_DESCRIPTION
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//#define FINSH_USING_SYMTAB
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//#define FINSH_USING_DESCRIPTION
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#define FINSH_USING_MSH
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#define FINSH_USING_MSH_ONLY
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/* SECTION: libc management */
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#define RT_USING_LIBC
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// #define RT_USING_LIBC
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/* SECTION: device filesystem */
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/* #define RT_USING_DFS */
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rt_uint8_t *buf,
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rt_uint32_t blocks,
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rt_uint32_t blksize);
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rt_int32_t sdio_io_rw_extended_block(struct rt_sdio_function *func,
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rt_int32_t rw,
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rt_uint32_t addr,
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rt_int32_t op_code,
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rt_uint8_t *buf,
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rt_uint32_t len);
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rt_uint8_t sdio_io_readb(struct rt_sdio_function *func,
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rt_uint32_t reg,
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rt_int32_t *err);
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@ -244,7 +244,7 @@ rt_inline rt_uint32_t sdio_max_block_size(struct rt_sdio_function *func)
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return MIN(size, 512u); /* maximum size for byte mode */
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}
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static rt_int32_t sdio_io_rw_extended_block(struct rt_sdio_function *func,
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rt_int32_t sdio_io_rw_extended_block(struct rt_sdio_function *func,
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rt_int32_t rw,
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rt_uint32_t addr,
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rt_int32_t op_code,
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return -RT_ENOMEM;
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}
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sd->drv = driver;
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rt_list_insert_after(&sdio_drivers, &sd->list);
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if (!rt_list_isempty(&sdio_cards))
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