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ArdaFuArdaFu
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[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
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‎bsp/tm4c129x/SConscript‎

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# for module compiling
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import os
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Import('RTT_ROOT')
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cwd = str(Dir('#'))
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objs = []
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list = os.listdir(cwd)
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for d in list:
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path = os.path.join(cwd, d)
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if os.path.isfile(os.path.join(path, 'SConscript')):
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objs = objs + SConscript(os.path.join(d, 'SConscript'))
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Return('objs')

‎bsp/tm4c129x/SConstruct‎

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import os
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import sys
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import rtconfig
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if os.getenv('RTT_ROOT'):
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RTT_ROOT = os.getenv('RTT_ROOT')
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else:
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RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')
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sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
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from building import *
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TARGET = 'rtthread.' + rtconfig.TARGET_EXT
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env = Environment(tools = ['mingw'],
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AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
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CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
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AR = rtconfig.AR, ARFLAGS = '-rc',
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LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
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env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
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Export('RTT_ROOT')
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Export('rtconfig')
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# prepare building environment
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objs = PrepareBuilding(env, RTT_ROOT, has_libcpu=False)
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# make a building
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DoBuilding(TARGET, objs)

‎bsp/tm4c129x/applications/SConscript‎

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Import('RTT_ROOT')
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Import('rtconfig')
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from building import *
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cwd = os.path.join(str(Dir('#')), 'applications')
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src = Glob('*.c')
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CPPPATH = [cwd, str(Dir('#'))]
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group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
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Return('group')

‎bsp/tm4c129x/applications/application.c‎

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/*
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* File : application.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2014, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2014-07-18 ArdaFu the first version for TM4C129X
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*/
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#include <rtthread.h>
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#include <board.h>
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#include <components.h>
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/* thread phase init */
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void rt_init_thread_entry(void *parameter)
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{
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/* Initialization RT-Thread Components */
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#ifdef RT_USING_COMPONENTS_INIT
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rt_components_init();
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#endif
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}
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int rt_application_init(void)
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{
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rt_thread_t tid;
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tid = rt_thread_create("init",
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rt_init_thread_entry, RT_NULL,
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2048, RT_THREAD_PRIORITY_MAX / 3, 20);
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if (tid != RT_NULL) rt_thread_startup(tid);
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return 0;
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}

‎bsp/tm4c129x/applications/board.c‎

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/*
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* File : board.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2013 RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2009-01-05 Bernard first implementation
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* 2014-07-18 ArdaFu Port to TM4C129X
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include <components.h>
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#include "board.h"
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#include "drv_uart.h"
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#include "interrupt.h"
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#include "sysctl.h"
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#include "systick.h"
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#include "fpu.h"
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#include "driverlib/rom_map.h"
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#define SYS_CLOCK_DEFAULT 120000000
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uint32_t SysClock;
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#define FAULT_NMI 2 // NMI fault
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#define FAULT_HARD 3 // Hard fault
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#define FAULT_MPU 4 // MPU fault
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#define FAULT_BUS 5 // Bus fault
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#define FAULT_USAGE 6 // Usage fault
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#define FAULT_SVCALL 11 // SVCall
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#define FAULT_DEBUG 12 // Debug monitor
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#define FAULT_PENDSV 14 // PendSV
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#define FAULT_SYSTICK 15 // System Tick
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/**
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* This is the timer interrupt service routine.
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*
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*/
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void SysTick_Handler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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rt_tick_increase();
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/* leave interrupt */
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rt_interrupt_leave();
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}
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extern void PendSV_Handler(void);
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extern void HardFault_Handler(void);
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/**
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* This function will initial LPC40xx board.
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*/
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void rt_hw_board_init()
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{
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IntRegister(FAULT_HARD, HardFault_Handler);
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IntRegister(FAULT_PENDSV, PendSV_Handler);
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IntRegister(FAULT_SYSTICK, SysTick_Handler);
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//
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// Enable lazy stacking for interrupt handlers. This allows floating-point
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// instructions to be used within interrupt handlers, but at the expense of
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// extra stack usage.
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//
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MAP_FPULazyStackingEnable();
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//
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// Set the clocking to run directly from the external crystal/oscillator.
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// TODO: The SYSCTL_XTAL_ value must be changed to match the value of the
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// crystal on your board.
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//
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SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ | SYSCTL_OSC_MAIN | SYSCTL_USE_PLL | SYSCTL_CFG_VCO_480),
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SYS_CLOCK_DEFAULT);
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MAP_SysTickDisable();
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MAP_SysTickPeriodSet(SysClock/ RT_TICK_PER_SECOND - 1);
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MAP_SysTickIntEnable();
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MAP_SysTickEnable();
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/* set pend exception priority */
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//IntPrioritySet(FAULT_PENDSV, (1 << __NVIC_PRIO_BITS) - 1);
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/*init uart device*/
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rt_hw_uart_init();
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
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//
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// Enable interrupts to the processor.
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//
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MAP_IntMasterEnable();
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}

‎bsp/tm4c129x/applications/board.h‎

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/*
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* File : board.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2009-09-22 Bernard add board.h to this bsp
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* 2010-02-04 Magicoe add board.h to LPC176x bsp
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* 2014-07-18 ArdaFu port it to TM4C129X bsp
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*/
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#ifndef __BOARD_H__
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#define __BOARD_H__
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#include "tm4c129xnczad.h"
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#include <rtthread.h>
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#include <stdbool.h>
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#include <stdint.h>
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extern uint32_t SysClock;
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// <RDTConfigurator URL="http://www.rt-thread.com/eclipse">
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// <bool name="RT_USING_UART0" description="Using UART0" default="true" />
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#define RT_USING_UART0
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// <bool name="RT_USING_UART1" description="Using UART1" default="true" />
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//#define RT_USING_UART1
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// <bool name="RT_USING_UART2" description="Using UART2" default="true" />
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//#define RT_USING_UART2
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// </RDTConfigurator>
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#ifdef __CC_ARM
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extern int Image$$RW_IRAM1$$ZI$$Limit;
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#define HEAP_BEGIN ((void *)&Image$$RW_IRAM1$$ZI$$Limit)
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#elif __ICCARM__
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#pragma section="HEAP"
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#define HEAP_BEGIN (__segment_end("HEAP"))
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#else
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extern int __bss_end;
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#define HEAP_BEGIN ((void *)&__bss_end)
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#endif
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#define HEAP_END (0x20000000 + 256*1024)
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#define FINSH_DEVICE_NAME RT_CONSOLE_DEVICE_NAME
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void rt_hw_board_init(void);
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#endif

‎bsp/tm4c129x/applications/startup.c‎

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/*
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* File : startup.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2009-01-05 Bernard first implementation
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* 2010-03-04 Magicoe for LPC17xx
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* 2014-07-18 ArdaFu Port to TM4C129X
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include "board.h"
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extern int rt_application_init(void);
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/**
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* This function will startup RT-Thread RTOS.
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*/
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void rtthread_startup(void)
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{
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/* initialize board */
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rt_hw_board_init();
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/* show version */
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rt_show_version();
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#ifdef RT_USING_HEAP
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rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
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#endif
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/* initialize scheduler system */
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rt_system_scheduler_init();
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/* initialize system timer*/
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rt_system_timer_init();
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/* initialize application */
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rt_application_init();
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/* initialize timer thread */
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rt_system_timer_thread_init();
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/* initialize idle thread */
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rt_thread_idle_init();
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/* start scheduler */
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rt_system_scheduler_start();
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/* never reach here */
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return ;
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}
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int main(void)
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{
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/* disable interrupt first */
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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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return 0;
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}

‎bsp/tm4c129x/drivers/SConscript‎

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from building import *
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cwd = GetCurrentDir()
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src = Glob('*.c')
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# remove no need file.
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if GetDepend('RT_USING_LWIP') == False:
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SrcRemove(src, 'drv_emac.c')
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CPPPATH = [cwd]
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group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)
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Return('group')

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