RT-Thread-将RT-Thread移植到新唐NUC029上RT-Thread问答社区

将RT-Thread移植到新唐NUC029上

发布于 2020-08-20 10:43:19 浏览：1358 订阅该版

board.c
```c
/*
 * Copyright (c) 2006-2019, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date Author Notes
 * 2017-07-24 Tanek the first version
 * 2018-11-12 Ernest Chen modify copyright
 */
#include <stdio.h>
#include <stdint.h>
#include <rthw.h>
#include <rtthread.h>
//#include "uart.h"
#include "NUC029xGE.h"
#define PLL_CLOCK 72000000

#define _SCB_BASE       (0xE000E010UL)
#define _SYSTICK_CTRL   (*(rt_uint32_t *)(_SCB_BASE + 0x0))
#define _SYSTICK_LOAD   (*(rt_uint32_t *)(_SCB_BASE + 0x4))
#define _SYSTICK_VAL    (*(rt_uint32_t *)(_SCB_BASE + 0x8))
#define _SYSTICK_CALIB  (*(rt_uint32_t *)(_SCB_BASE + 0xC))
#define _SYSTICK_PRI    (*(rt_uint8_t  *)(0xE000ED23UL))

// Updates the variable SystemCoreClock and must be called 
// whenever the core clock is changed during program execution.
extern void SystemCoreClockUpdate(void);

// Holds the system core clock, which is the system clock 
// frequency supplied to the SysTick timer and the processor 
// core clock.
extern uint32_t SystemCoreClock;

static uint32_t _SysTick_Config(rt_uint32_t ticks)
{
    if ((ticks - 1) > 0xFFFFFF)
    {
        return 1;
    }
    
    _SYSTICK_LOAD = ticks - 1; 
    _SYSTICK_PRI = 0xFF;
    _SYSTICK_VAL  = 0;
    _SYSTICK_CTRL = 0x07;  
    
    return 0;
}

#if defined(RT_USING_USER_MAIN) && defined(RT_USING_HEAP)
#define RT_HEAP_SIZE 1024
static uint32_t rt_heap[RT_HEAP_SIZE];     // heap default size: 4K(1024 * 4)
RT_WEAK void *rt_heap_begin_get(void)
{
    return rt_heap;
}

RT_WEAK void *rt_heap_end_get(void)
{
    return rt_heap + RT_HEAP_SIZE;
}
#endif
/*自己添加跟硬件有关的时钟初始化*/
static void rt_hw_system_init(void)
{
    /*---------------------------------------------------------------------------------------------------------*/
    /* Init System Clock                                                                                       */
    /*---------------------------------------------------------------------------------------------------------*/
    SYS_UnlockReg();

/* Enable HIRC clock (Internal RC 22.1184MHz) */
    CLK_EnableXtalRC(CLK_PWRCTL_HIRCEN_Msk);

/* Wait for HIRC clock ready */
    CLK_WaitClockReady(CLK_STATUS_HIRCSTB_Msk);

/* Select HCLK clock source as HIRC and HCLK clock divider as 1 */
    CLK_SetHCLK(CLK_CLKSEL0_HCLKSEL_HIRC, CLK_CLKDIV0_HCLK(1));

/* Set core clock as PLL_CLOCK from PLL */
    CLK_SetCoreClock(PLL_CLOCK);
    /* Set SysTick clock source to HCLK source divide 2 */
    CLK_SetSysTickClockSrc(CLK_CLKSEL0_STCLKSEL_HCLK_DIV2);

SYS_LockReg();
}
/*自己添加跟串口有关的时钟初始化*/
static void rt_hw_usart_init()
{
    /* Unlock protected registers */
    SYS_UnlockReg();

/* Enable HXT clock (external XTAL 12MHz) */
    CLK_EnableXtalRC(CLK_PWRCTL_HXTEN_Msk);

/* Wait for HXT clock ready */
    CLK_WaitClockReady(CLK_STATUS_HXTSTB_Msk);
  
    /* Enable UART module clock */
    CLK_EnableModuleClock(UART0_MODULE);

/* Select UART module clock source as HXT and UART module clock divider as 1 */
    CLK_SetModuleClock(UART0_MODULE, CLK_CLKSEL1_UARTSEL_HXT, CLK_CLKDIV0_UART(1));

/*---------------------------------------------------------------------------------------------------------*/
    /* Init I/O Multi-function                                                                                 */
    /*---------------------------------------------------------------------------------------------------------*/

/* Set multi-function pins for UART0 RXD and TXD */
    SYS->GPA_MFPL &= ~(SYS_GPA_MFPL_PA2MFP_Msk | SYS_GPA_MFPL_PA3MFP_Msk);
    SYS->GPA_MFPL |= (SYS_GPA_MFPL_PA3MFP_UART0_RXD | SYS_GPA_MFPL_PA2MFP_UART0_TXD);

/* Lock protected registers */
    SYS_LockReg();
		
		    /* Reset UART0 */
    SYS_ResetModule(UART0_RST);

/* Configure UART0 and set UART0 baud rate */
    UART_Open(UART0, 115200);
}

/**
 * This function will initial your board.
 */
void rt_hw_board_init()
{
    /* Configure the system clock */
    rt_hw_system_init();

/* System Clock Update */
    SystemCoreClockUpdate();
    
    /* System Tick Configuration */
    _SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);

/* Initial usart deriver, and set console device */
		rt_hw_usart_init();	
	
    /* Call components board initial (use INIT_BOARD_EXPORT()) */
#ifdef RT_USING_COMPONENTS_INIT
    rt_components_board_init();
#endif

#if defined(RT_USING_USER_MAIN) && defined(RT_USING_HEAP)
    rt_system_heap_init(rt_heap_begin_get(), rt_heap_end_get());
#endif
}

void SysTick_Handler(void)
{
    /* enter interrupt */
    rt_interrupt_enter();

rt_tick_increase();

/* leave interrupt */
    rt_interrupt_leave();
}
/*自己添加对接串口控制台*/
void rt_hw_console_output(const char *str)
{
	printf("%s",str);
}

char rt_hw_console_getchar(void)
{
 return getchar();
}

```

rtconfig.h
```c
/* RT-Thread config file */

#ifndef __RTTHREAD_CFG_H__
#define __RTTHREAD_CFG_H__

#if defined(__CC_ARM) || defined(__CLANG_ARM)
//#include "RTE_Components.h"

//#if defined(RTE_USING_FINSH)
#define RT_USING_FINSH
//#endif //RTE_USING_FINSH

#endif //(__CC_ARM) || (__CLANG_ARM)

// <<< Use Configuration Wizard in Context Menu >>>
// <h>Basic Configuration
// <o>Maximal level of thread priority <8-256>
// Default: 32
#define RT_THREAD_PRIORITY_MAX 8
// <o>OS tick per second
// Default: 1000 (1ms)
#define RT_TICK_PER_SECOND 1000
// <o>Alignment size for CPU architecture data access
// Default: 4
#define RT_ALIGN_SIZE 4
// <o>the max length of object name<2-16>
// Default: 8
#define RT_NAME_MAX 8
// <c1>Using RT-Thread components initialization
// Using RT-Thread components initialization
#define RT_USING_COMPONENTS_INIT
// </c>

#define RT_USING_USER_MAIN

// <o>the stack size of main thread<1-4086>
// Default: 512
#define RT_MAIN_THREAD_STACK_SIZE 256

// </h>

// <h>Debug Configuration
// <c1>enable kernel debug configuration
// Default: enable kernel debug configuration
#define RT_DEBUG
// </c>
// <o>enable components initialization debug configuration<0-1>
// Default: 0
#define RT_DEBUG_INIT 0
// <c1>thread stack over flow detect
// Diable Thread stack over flow detect
//#define RT_USING_OVERFLOW_CHECK
// </c>
// </h>

// <h>Hook Configuration
// <c1>using hook
// using hook
#define RT_USING_HOOK
// </c>
// <c1>using idle hook
// using idle hook
//#define RT_USING_IDLE_HOOK
// </c>
// </h>

// <e>Software timers Configuration
// Enables user timers
#define RT_USING_TIMER_SOFT 0
#if RT_USING_TIMER_SOFT == 0
 #undef RT_USING_TIMER_SOFT
#endif
// <o>The priority level of timer thread <0-31>
// Default: 4
#define RT_TIMER_THREAD_PRIO 4
// <o>The stack size of timer thread <0-8192>
// Default: 512
#define RT_TIMER_THREAD_STACK_SIZE 512
// </e>

// <h>IPC(Inter-process communication) Configuration
// <c1>Using Semaphore
// Using Semaphore
#define RT_USING_SEMAPHORE
// </c>
// <c1>Using Mutex
// Using Mutex
//#define RT_USING_MUTEX
// </c>
// <c1>Using Event
// Using Event
//#define RT_USING_EVENT
// </c>
// <c1>Using MailBox
// Using MailBox
#define RT_USING_MAILBOX
// </c>
// <c1>Using Message Queue
// Using Message Queue
//#define RT_USING_MESSAGEQUEUE
// </c>
// </h>

// <h>Memory Management Configuration
// <c1>Dynamic Heap Management
// Dynamic Heap Management
#define RT_USING_HEAP
// </c>
// <c1>using small memory
// using small memory
#define RT_USING_SMALL_MEM
// </c>
// <c1>using tiny size of memory
// using tiny size of memory
//#define RT_USING_TINY_SIZE
// </c>
// </h>

// <h>Console Configuration
// <c1>Using console
// Using console
#define RT_USING_CONSOLE
// </c>
// <o>the buffer size of console <1-1024>
// the buffer size of console
// Default: 128 (128Byte)
#define RT_CONSOLEBUF_SIZE 128
// </h>

#if defined(RT_USING_FINSH)
 #define FINSH_USING_MSH
 #define FINSH_USING_MSH_ONLY
 // <h>Finsh Configuration
 // <o>the priority of finsh thread <1-7>
 // the priority of finsh thread
 // Default: 6
 #define __FINSH_THREAD_PRIORITY 5
 #define FINSH_THREAD_PRIORITY (RT_THREAD_PRIORITY_MAX / 8 * __FINSH_THREAD_PRIORITY + 1)
 // <o>the stack of finsh thread <1-4096>
 // the stack of finsh thread
 // Default: 4096 (4096Byte)
 #define FINSH_THREAD_STACK_SIZE 512
 // <o>the history lines of finsh thread <1-32>
 // the history lines of finsh thread
 // Default: 5
 #define FINSH_HISTORY_LINES 1

#define FINSH_USING_SYMTAB
 // </h>
#endif

// <<< end of configuration section >>>

#endif

```