First version under SVN is V4.0.1

This commit is contained in:
Richard Barry 2006-05-02 09:39:15 +00:00
parent 243393860c
commit b6df57c7e3
918 changed files with 269038 additions and 0 deletions

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/*
FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FreeRTOS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
See http://www.FreeRTOS.org for documentation, latest information, license
and contact details. Please ensure to read the configuration and relevant
port sections of the online documentation.
***************************************************************************
*/
#ifndef FREERTOS_CONFIG_H
#define FREERTOS_CONFIG_H
/* Hardware specifics. */
#include <iolpc2129.h>
/*-----------------------------------------------------------
* Application specific definitions.
*
* These definitions should be adjusted for your particular hardware and
* application requirements.
*
* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
*----------------------------------------------------------*/
#define configUSE_PREEMPTION 1
#define configUSE_IDLE_HOOK 0
#define configUSE_TICK_HOOK 0
#define configCPU_CLOCK_HZ ( ( unsigned portLONG ) 60000000 ) /* =12.0MHz xtal multiplied by 5 using the PLL. */
#define configTICK_RATE_HZ ( ( portTickType ) 1000 )
#define configMAX_PRIORITIES ( ( unsigned portBASE_TYPE ) 5 )
#define configMINIMAL_STACK_SIZE ( ( unsigned portSHORT ) 100 )
#define configTOTAL_HEAP_SIZE ( ( size_t ) 14200 )
#define configMAX_TASK_NAME_LEN ( 16 )
#define configUSE_TRACE_FACILITY 0
#define configUSE_16_BIT_TICKS 0
#define configIDLE_SHOULD_YIELD 1
/* Co-routine definitions. */
#define configUSE_CO_ROUTINES 0
#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )
/* Set the following definitions to 1 to include the API function, or zero
to exclude the API function. */
#define INCLUDE_vTaskPrioritySet 1
#define INCLUDE_uxTaskPriorityGet 1
#define INCLUDE_vTaskDelete 0
#define INCLUDE_vTaskCleanUpResources 0
#define INCLUDE_vTaskSuspend 1
#define INCLUDE_vTaskDelayUntil 1
#define INCLUDE_vTaskDelay 1
#endif /* FREERTOS_CONFIG_H */

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/*
FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FreeRTOS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
See http://www.FreeRTOS.org for documentation, latest information, license
and contact details. Please ensure to read the configuration and relevant
port sections of the online documentation.
***************************************************************************
*/
/*-----------------------------------------------------------
* Simple parallel port IO routines for the LED's.
*-----------------------------------------------------------*/
/* Scheduler includes. */
#include "FreeRTOS.h"
/* Demo application includes. */
#include "partest.h"
/* Board specific defines. */
#define partstFIRST_IO ( ( unsigned portLONG ) 0x10000 )
#define partstNUM_LEDS ( 8 )
/*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
/* The ports are setup within prvInitialiseHardware(), called by main(). */
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
unsigned portLONG ulLED = partstFIRST_IO;
if( uxLED < partstNUM_LEDS )
{
/* Rotate to the wanted bit of port 1. Only P16 to P23 have an LED
attached. */
ulLED <<= ( unsigned portLONG ) uxLED;
/* Set or clear the output. */
if( xValue )
{
IO1SET = ulLED;
}
else
{
IO1CLR = ulLED;
}
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
unsigned portLONG ulLED = partstFIRST_IO, ulCurrentState;
if( uxLED < partstNUM_LEDS )
{
/* Rotate to the wanted bit of port 1. Only P10 to P13 have an LED
attached. */
ulLED <<= ( unsigned portLONG ) uxLED;
/* If this bit is already set, clear it, and visa versa. */
ulCurrentState = IO1PIN;
if( ulCurrentState & ulLED )
{
IO1CLR = ulLED;
}
else
{
IO1SET = ulLED;
}
}
}

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;-----------------------------------------------------------------------------
; This file contains the startup code used by the ICCARM C compiler.
;
; The modules in this file are included in the libraries, and may be replaced
; by any user-defined modules that define the PUBLIC symbol _program_start or
; a user defined start symbol.
; To override the cstartup defined in the library, simply add your modified
; version to the workbench project.
;
; All code in the modules (except ?RESET) will be placed in the ICODE segment.
;
; $Revision: 1.56 $
;
;-----------------------------------------------------------------------------
;
; Naming covention of labels in this file:
;
; ?xxx - External labels only accessed from assembler.
; __xxx - External labels accessed from or defined in C.
; xxx - Labels local to one module (note: this file contains
; several modules).
; main - The starting point of the user program.
;
;---------------------------------------------------------------
; Macros and definitions for the whole file
;---------------------------------------------------------------
; Mode, correspords to bits 0-5 in CPSR
MODE_BITS DEFINE 0x1F ; Bit mask for mode bits in CPSR
USR_MODE DEFINE 0x10 ; User mode
FIQ_MODE DEFINE 0x11 ; Fast Interrupt Request mode
IRQ_MODE DEFINE 0x12 ; Interrupt Request mode
SVC_MODE DEFINE 0x13 ; Supervisor mode
ABT_MODE DEFINE 0x17 ; Abort mode
UND_MODE DEFINE 0x1B ; Undefined Instruction mode
SYS_MODE DEFINE 0x1F ; System mode
I_Bit DEFINE 0x80 ; IRQ Disable Bit
F_Bit DEFINE 0x40 ; FIQ Disable Bit
;---------------------------------------------------------------
; ?RESET
; Reset Vector.
; Normally, segment INTVEC is linked at address 0.
; For debugging purposes, INTVEC may be placed at other
; addresses.
; A debugger that honors the entry point will start the
; program in a normal way even if INTVEC is not at address 0.
;---------------------------------------------------------------
MODULE ?RESET
COMMON INTVEC:CODE:NOROOT(2)
PUBLIC __program_start
EXTERN ?cstartup
EXTERN undef_handler, swi_handler, prefetch_handler
EXTERN data_handler, irq_handler, fiq_handler
EXTERN vPortYieldProcessor
CODE32 ; Always ARM mode after reset
__program_start
org 0x00
B InitReset ; 0x00 Reset handler
undefvec:
B undefvec ; 0x04 Undefined Instruction
swivec:
B vPortYieldProcessor ; 0x08 Software Interrupt
pabtvec:
B pabtvec ; 0x0C Prefetch Abort
dabtvec:
B dabtvec ; 0x10 Data Abort
rsvdvec:
B rsvdvec ; 0x14 reserved
irqvec:
LDR PC, [PC, #-0xFF0] ; Jump directly to the address given by the AIC
fiqvec: ; 0x1c FIQ
;---------------------------------------------------------------
; ?CSTARTUP
;---------------------------------------------------------------
RSEG IRQ_STACK:DATA(2)
RSEG SVC_STACK:DATA:NOROOT(2)
RSEG CSTACK:DATA(2)
RSEG ICODE:CODE:NOROOT(2)
EXTERN ?main
; Execution starts here.
; After a reset, the mode is ARM, Supervisor, interrupts disabled.
CODE32
InitReset
; Add initialization needed before setup of stackpointers here
; Initialize the stack pointers.
; The pattern below can be used for any of the exception stacks:
; FIQ, IRQ, SVC, ABT, UND, SYS.
; The USR mode uses the same stack as SYS.
; The stack segments must be defined in the linker command file,
; and be declared above.
mrs r0,cpsr ; Original PSR value
bic r0,r0,#MODE_BITS ; Clear the mode bits
orr r0,r0,#IRQ_MODE ; Set IRQ mode bits
msr cpsr_c,r0 ; Change the mode
ldr sp,=SFE(IRQ_STACK) & 0xFFFFFFF8 ; End of IRQ_STACK
bic r0,r0,#MODE_BITS ; Clear the mode bits
orr r0,r0,#SYS_MODE ; Set System mode bits
msr cpsr_c,r0 ; Change the mode
ldr sp,=SFE(CSTACK) & 0xFFFFFFF8 ; End of CSTACK
bic r0,r0,#MODE_BITS ; Clear the mode bits
orr r0,r0,#SVC_MODE ; Set System mode bits
msr cpsr_c,r0 ; Change the mode
ldr sp,=SFE(SVC_STACK) & 0xFFFFFFF8 ; End of CSTACK
; Must start in supervisor mode.
MSR CPSR_c, #SVC_MODE|I_Bit|F_Bit
; Add more initialization here
; Continue to ?main for more IAR specific system startup
ldr r0,=?main
bx r0
;---------------------------------------------------------------
; ?EXEPTION_VECTOR
; This module is only linked if needed for closing files.
;---------------------------------------------------------------
PUBLIC AT91F_Default_FIQ_handler
PUBLIC AT91F_Default_IRQ_handler
PUBLIC AT91F_Spurious_handler
CODE32 ; Always ARM mode after exeption
AT91F_Default_FIQ_handler
b AT91F_Default_FIQ_handler
AT91F_Default_IRQ_handler
b AT91F_Default_IRQ_handler
AT91F_Spurious_handler
b AT91F_Spurious_handler
ENDMOD
END
ENDMOD
END

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/*
FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FreeRTOS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
See http://www.FreeRTOS.org for documentation, latest information, license
and contact details. Please ensure to read the configuration and relevant
port sections of the online documentation.
***************************************************************************
*/
/*
NOTE : Tasks run in system mode and the scheduler runs in Supervisor mode.
The processor MUST be in supervisor mode when vTaskStartScheduler is
called. The demo applications included in the FreeRTOS.org download switch
to supervisor mode prior to main being called. If you are not using one of
these demo application projects then ensure Supervisor mode is used.
*/
/*
* Creates all the demo application tasks, then starts the scheduler. The WEB
* documentation provides more details of the demo application tasks.
*
* Main.c also creates a task called "Check". This only executes every three
* seconds but has the highest priority so is guaranteed to get processor time.
* Its main function is to check that all the other tasks are still operational.
* Each task (other than the "flash" tasks) maintains a unique count that is
* incremented each time the task successfully completes its function. Should
* any error occur within such a task the count is permanently halted. The
* check task inspects the count of each task to ensure it has changed since
* the last time the check task executed. If all the count variables have
* changed all the tasks are still executing error free, and the check task
* toggles the onboard LED. Should any task contain an error at any time
* the LED toggle rate will change from 3 seconds to 500ms.
*
*/
/* Standard includes. */
#include <stdlib.h>
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Demo application includes. */
#include "flash.h"
#include "integer.h"
#include "PollQ.h"
#include "BlockQ.h"
#include "semtest.h"
#include "dynamic.h"
#include "partest.h"
#include "comtest2.h"
/* Priorities for the demo application tasks. */
#define mainLED_TASK_PRIORITY ( tskIDLE_PRIORITY + 3 )
#define mainQUEUE_POLL_PRIORITY ( tskIDLE_PRIORITY + 2 )
#define mainCHECK_TASK_PRIORITY ( tskIDLE_PRIORITY + 4 )
#define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1 )
#define mainBLOCK_Q_PRIORITY ( tskIDLE_PRIORITY + 2 )
#define mainCOM_TEST_PRIORITY ( tskIDLE_PRIORITY + 2 )
/* Constants required by the 'Check' task. */
#define mainNO_ERROR_FLASH_PERIOD ( ( portTickType ) 3000 / portTICK_RATE_MS )
#define mainERROR_FLASH_PERIOD ( ( portTickType ) 500 / portTICK_RATE_MS )
#define mainCHECK_TASK_LED ( 7 )
/* Constants for the ComTest tasks. */
#define mainCOM_TEST_BAUD_RATE ( ( unsigned portLONG ) 115200 )
#define mainCOM_TEST_LED ( 4 )
#define mainTX_ENABLE ( ( unsigned portLONG ) 0x0001 )
#define mainRX_ENABLE ( ( unsigned portLONG ) 0x0004 )
/* Constants to setup the PLL. */
#define mainPLL_MUL_4 ( ( unsigned portCHAR ) 0x0003 )
#define mainPLL_DIV_1 ( ( unsigned portCHAR ) 0x0000 )
#define mainPLL_ENABLE ( ( unsigned portCHAR ) 0x0001 )
#define mainPLL_CONNECT ( ( unsigned portCHAR ) 0x0003 )
#define mainPLL_FEED_BYTE1 ( ( unsigned portCHAR ) 0xaa )
#define mainPLL_FEED_BYTE2 ( ( unsigned portCHAR ) 0x55 )
#define mainPLL_LOCK ( ( unsigned portLONG ) 0x0400 )
/* Constants to setup the MAM. */
#define mainMAM_TIM_3 ( ( unsigned portCHAR ) 0x03 )
#define mainMAM_MODE_FULL ( ( unsigned portCHAR ) 0x02 )
/* Constants to setup the peripheral bus. */
#define mainBUS_CLK_FULL ( ( unsigned portCHAR ) 0x01 )
/* And finally, constant to setup the port for the LED's. */
#define mainLED_TO_OUTPUT ( ( unsigned portLONG ) 0xff0000 )
/*
* The task that executes at the highest priority and calls
* prvCheckOtherTasksAreStillRunning(). See the description at the top
* of the file.
*/
static void vErrorChecks( void *pvParameters );
/*
* Configures the processor for use with this demo.
*/
static void prvSetupHardware( void );
/*
* Checks that all the demo application tasks are still executing without error
* - as described at the top of the file.
*/
static portLONG prvCheckOtherTasksAreStillRunning( void );
/*-----------------------------------------------------------*/
/*
* Starts all the other tasks, then starts the scheduler.
*/
void main( void )
{
/* Setup the processor. */
prvSetupHardware();
/* Start all the standard demo application tasks. */
vStartIntegerMathTasks( tskIDLE_PRIORITY );
vStartLEDFlashTasks( mainLED_TASK_PRIORITY );
vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
vStartDynamicPriorityTasks();
vAltStartComTestTasks( mainCOM_TEST_PRIORITY, mainCOM_TEST_BAUD_RATE, mainCOM_TEST_LED );
/* Start the check task - which is defined in this file. */
xTaskCreate( vErrorChecks, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
/* Start the scheduler.
NOTE : Tasks run in system mode and the scheduler runs in Supervisor mode.
The processor MUST be in supervisor mode when vTaskStartScheduler is
called. The demo applications included in the FreeRTOS.org download switch
to supervisor mode prior to main being called. If you are not using one of
these demo application projects then ensure Supervisor mode is used here.
*/
vTaskStartScheduler();
/* We should never get here as control is now taken by the scheduler. */
return;
}
/*-----------------------------------------------------------*/
static void prvSetupHardware( void )
{
/* Setup the PLL to multiply the XTAL input by 4. */
PLLCFG = ( mainPLL_MUL_4 | mainPLL_DIV_1 );
/* Activate the PLL by turning it on then feeding the correct sequence of
bytes. */
PLLCON = mainPLL_ENABLE;
PLLFEED = mainPLL_FEED_BYTE1;
PLLFEED = mainPLL_FEED_BYTE2;
/* Wait for the PLL to lock... */
while( !( PLLSTAT & mainPLL_LOCK ) );
/* ...before connecting it using the feed sequence again. */
PLLCON = mainPLL_CONNECT;
PLLFEED = mainPLL_FEED_BYTE1;
PLLFEED = mainPLL_FEED_BYTE2;
/* Setup and turn on the MAM. Three cycle access is used due to the fast
PLL used. It is possible faster overall performance could be obtained by
tuning the MAM and PLL settings. */
MAMTIM = mainMAM_TIM_3;
MAMCR = mainMAM_MODE_FULL;
/* Setup the peripheral bus to be the same as the PLL output. */
VPBDIV = mainBUS_CLK_FULL;
/* Configure the RS2332 pins. All other pins remain at their default of 0. */
PINSEL0 |= mainTX_ENABLE;
PINSEL0 |= mainRX_ENABLE;
/* LED pins need to be output. */
IO1DIR = mainLED_TO_OUTPUT;
/* Setup the peripheral bus to be the same as the PLL output. */
VPBDIV = mainBUS_CLK_FULL;
}
/*-----------------------------------------------------------*/
static void vErrorChecks( void *pvParameters )
{
portTickType xDelayPeriod = mainNO_ERROR_FLASH_PERIOD;
/* The parameters are not used in this task. */
( void ) pvParameters;
/* Cycle for ever, delaying then checking all the other tasks are still
operating without error. If an error is detected then the delay period
is decreased from mainNO_ERROR_FLASH_PERIOD to mainERROR_FLASH_PERIOD so
the on board LED flash rate will increase. */
for( ;; )
{
/* Delay until it is time to execute again. */
vTaskDelay( xDelayPeriod );
/* Check all the standard demo application tasks are executing without
error. */
if( prvCheckOtherTasksAreStillRunning() != pdPASS )
{
/* An error has been detected in one of the tasks - flash faster. */
xDelayPeriod = mainERROR_FLASH_PERIOD;
}
vParTestToggleLED( mainCHECK_TASK_LED );
}
}
/*-----------------------------------------------------------*/
static portLONG prvCheckOtherTasksAreStillRunning( void )
{
portLONG lReturn = ( portLONG ) pdPASS;
/* Check all the demo tasks (other than the flash tasks) to ensure
that they are all still running, and that none of them have detected
an error. */
if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
{
lReturn = ( portLONG ) pdFAIL;
}
if( xArePollingQueuesStillRunning() != pdTRUE )
{
lReturn = ( portLONG ) pdFAIL;
}
if( xAreSemaphoreTasksStillRunning() != pdTRUE )
{
lReturn = ( portLONG ) pdFAIL;
}
if( xAreBlockingQueuesStillRunning() != pdTRUE )
{
lReturn = ( portLONG ) pdFAIL;
}
if( xAreComTestTasksStillRunning() != pdTRUE )
{
lReturn = ( portLONG ) pdFAIL;
}
if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
{
lReturn = ( portLONG ) pdFAIL;
}
return lReturn;
}
/*-----------------------------------------------------------*/

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//*************************************************************************
// XLINK command file template for EWARM/ICCARM
//
// Usage: xlink -f lnkarm <your_object_file(s)>
// -s <program start label> <C/C++ runtime library>
//
// $Revision: 1.1 $
//*************************************************************************
//*************************************************************************
//
// -------------
// Code segments - may be placed anywhere in memory.
// -------------
//
// INTVEC -- Exception vector table.
// SWITAB -- Software interrupt vector table.
// ICODE -- Startup (cstartup) and exception code.
// DIFUNCT -- Dynamic initialization vectors used by C++.
// CODE -- Compiler generated code.
// CODE_I -- Compiler generated code declared __ramfunc (executes in RAM)
// CODE_ID -- Initializer for CODE_I (ROM).
//
// -------------
// Data segments - may be placed anywhere in memory.
// -------------
//
// CSTACK -- The stack used by C/C++ programs (system and user mode).
// IRQ_STACK -- The stack used by IRQ service routines.
// SVC_STACK -- The stack used in supervisor mode
// (Define other exception stacks as needed for
// FIQ, ABT, UND).
// HEAP -- The heap used by malloc and free in C and new and
// delete in C++.
// INITTAB -- Table containing addresses and sizes of segments that
// need to be initialized at startup (by cstartup).
// CHECKSUM -- The linker places checksum byte(s) in this segment,
// when the -J linker command line option is used.
// DATA_y -- Data objects.
//
// Where _y can be one of:
//
// _AN -- Holds uninitialized located objects, i.e. objects with
// an absolute location given by the @ operator or the
// #pragma location directive. Since these segments
// contain objects which already have a fixed address,
// they should not be mentioned in this linker command
// file.
// _C -- Constants (ROM).
// _I -- Initialized data (RAM).
// _ID -- The original content of _I (copied to _I by cstartup) (ROM).
// _N -- Uninitialized data (RAM).
// _Z -- Zero initialized data (RAM).
//
// Note: Be sure to use end values for the defined address ranges.
// Otherwise, the linker may allocate space outside the
// intended memory range.
//*************************************************************************
//************************************************
// Inform the linker about the CPU family used.
//************************************************
-carm
//*************************************************************************
// Segment placement - General information
//
// All numbers in the segment placement command lines below are interpreted
// as hexadecimal unless they are immediately preceded by a '.', which
// denotes decimal notation.
//
// When specifying the segment placement using the -P instead of the -Z
// option, the linker is free to split each segment into its segment parts
// and randomly place these parts within the given ranges in order to
// achieve a more efficient memory usage. One disadvantage, however, is
// that it is not possible to find the start or end address (using
// the assembler operators .sfb./.sfe.) of a segment which has been split
// and reformed.
//
// When generating an output file which is to be used for programming
// external ROM/Flash devices, the -M linker option is very useful
// (see xlink.pdf for details).
//*************************************************************************
//*************************************************************************
// Read-only segments mapped to ROM.
//*************************************************************************
-DROMSTART=00000000
-DROMEND=00001ffff
//************************************************
// Address range for reset and exception
// vectors (INTVEC).
// The vector area is 32 bytes,
// an additional 32 bytes is allocated for the
// constant table used by ldr PC in cstartup.s79.
//************************************************
-Z(CODE)INTVEC=00000000-0000003f
//************************************************
// Startup code and exception routines (ICODE).
//************************************************
-Z(CODE)ICODE,DIFUNCT=ROMSTART-ROMEND
-Z(CODE)SWITAB=ROMSTART-ROMEND
//************************************************
// Code segments may be placed anywhere.
//************************************************
-Z(CODE)CODE=ROMSTART-ROMEND
//************************************************
// Original ROM location for __ramfunc code copied
// to and executed from RAM.
//************************************************
-Z(CONST)CODE_ID=ROMSTART-ROMEND
//************************************************
// Various constants and initializers.
//************************************************
-Z(CONST)INITTAB,DATA_ID,DATA_C=ROMSTART-ROMEND
-Z(CONST)CHECKSUM=ROMSTART-ROMEND
//*************************************************************************
// Read/write segments mapped to RAM.
//*************************************************************************
-DRAMSTART=40000000
-DRAMEND=40003fff
//************************************************
// Data segments.
//************************************************
-Z(DATA)DATA_I,DATA_Z,DATA_N=RAMSTART-RAMEND
//************************************************
// __ramfunc code copied to and executed from RAM.
//************************************************
-Z(DATA)CODE_I=RAMSTART-RAMEND
//************************************************
// ICCARM produces code for __ramfunc functions in
// CODE_I segments. The -Q XLINK command line
// option redirects XLINK to emit the code in the
// CODE_ID segment instead, but to keep symbol and
// debug information associated with the CODE_I
// segment, where the code will execute.
//************************************************
-QCODE_I=CODE_ID
//*************************************************************************
// Stack and heap segments.
//*************************************************************************
-D_CSTACK_SIZE=200
-D_SVC_STACK_SIZE=190
-D_IRQ_STACK_SIZE=190
-D_HEAP_SIZE=4
-Z(DATA)CSTACK+_CSTACK_SIZE=RAMSTART-RAMEND
-Z(DATA)SVC_STACK+_SVC_STACK_SIZE=RAMSTART-RAMEND
-Z(DATA)IRQ_STACK+_IRQ_STACK_SIZE,HEAP+_HEAP_SIZE=RAMSTART-RAMEND
//*************************************************************************
// ELF/DWARF support.
//
// Uncomment the line "-Felf" below to generate ELF/DWARF output.
// Available format specifiers are:
//
// "-yn": Suppress DWARF debug output
// "-yp": Multiple ELF program sections
// "-yas": Format suitable for debuggers from ARM Ltd (also sets -p flag)
//
// "-Felf" and the format specifiers can also be supplied directly as
// command line options, or selected from the Xlink Output tab in the
// IAR Embedded Workbench.
//*************************************************************************
// -Felf

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<?xml version="1.0" encoding="iso-8859-1"?>
<project>
<fileVersion>1</fileVersion>
<configuration>
<name>Flash Debug</name>
<toolchain>
<name>ARM</name>
</toolchain>
<debug>1</debug>
<settings>
<name>C-SPY</name>
<archiveVersion>2</archiveVersion>
<data>
<version>13</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
<name>CInput</name>
<state>1</state>
</option>
<option>
<name>CEndian</name>
<state>1</state>
</option>
<option>
<name>CProcessor</name>
<state>1</state>
</option>
<option>
<name>OCVariant</name>
<state>0</state>
</option>
<option>
<name>MacOverride</name>
<state>0</state>
</option>
<option>
<name>MacFile</name>
<state></state>
</option>
<option>
<name>MemOverride</name>
<state>0</state>
</option>
<option>
<name>MemFile</name>
<state>$TOOLKIT_DIR$\CONFIG\iolpc2129.ddf</state>
</option>
<option>
<name>RunToEnable</name>
<state>1</state>
</option>
<option>
<name>RunToName</name>
<state>main</state>
</option>
<option>
<name>CExtraOptionsCheck</name>
<state>0</state>
</option>
<option>
<name>CExtraOptions</name>
<state></state>
</option>
<option>
<name>CFpuProcessor</name>
<state>1</state>
</option>
<option>
<name>OCDDFArgumentProducer</name>
<state></state>
</option>
<option>
<name>OCDownloadSuppressDownload</name>
<state>0</state>
</option>
<option>
<name>OCDownloadVerifyAll</name>
<state>0</state>
</option>
<option>
<name>OCProductVersion</name>
<state>4.10B</state>
</option>
<option>
<name>OCDynDriverList</name>
<state>JLINK_ID</state>
</option>
<option>
<name>OCLastSavedByProductVersion</name>
<state>4.30A</state>
</option>
<option>
<name>OCDownloadAttachToProgram</name>
<state>0</state>
</option>
<option>
<name>FlashLoaders</name>
<state>,,,,(default),</state>
</option>
<option>
<name>UseFlashLoader</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
<name>ARMSIM_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>0</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
<name>OCSimDriverInfo</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
<name>ANGEL_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>0</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
<name>CCAngelHeartbeat</name>
<state>1</state>
</option>
<option>
<name>CAngelCommunication</name>
<state>1</state>
</option>
<option>
<name>CAngelCommBaud</name>
<version>0</version>
<state>3</state>
</option>
<option>
<name>CAngelCommPort</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>ANGELTCPIP</name>
<state>aaa.bbb.ccc.ddd</state>
</option>
<option>
<name>DoAngelLogfile</name>
<state>0</state>
</option>
<option>
<name>AngelLogFile</name>
<state>$TOOLKIT_DIR$\cspycomm.log</state>
</option>
<option>
<name>OCDriverInfo</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
<name>IARROM_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>0</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
<name>CRomLogFileCheck</name>
<state>0</state>
</option>
<option>
<name>CRomLogFileEditB</name>
<state>$TOOLKIT_DIR$\cspycomm.log</state>
</option>
<option>
<name>CRomCommunication</name>
<state>0</state>
</option>
<option>
<name>CRomCommPort</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>CRomCommBaud</name>
<version>0</version>
<state>7</state>
</option>
<option>
<name>OCDriverInfo</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
<name>JLINK_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>2</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
<name>JLinkSpeed</name>
<state>30</state>
</option>
<option>
<name>CCJLinkHWReset</name>
<state>1</state>
</option>
<option>
<name>CCJLinkTRSTReset</name>
<state>0</state>
</option>
<option>
<name>CCJLinkDoLogfile</name>
<state>0</state>
</option>
<option>
<name>CCJLinkLogFile</name>
<state>$TOOLKIT_DIR$\cspycomm.log</state>
</option>
<option>
<name>CCJLinkHWResetDelay</name>
<state></state>
</option>
<option>
<name>CCJLinkSpeedRadio</name>
<state>0</state>
</option>
<option>
<name>OCDriverInfo</name>
<state>1</state>
</option>
<option>
<name>JLinkInitialSpeed</name>
<state>32</state>
</option>
<option>
<name>CCDoJlinkMultiTarget</name>
<state>0</state>
</option>
<option>
<name>CCScanChainNonARMDevices</name>
<state>0</state>
</option>
<option>
<name>CCJLinkMultiTarget</name>
<state>0</state>
</option>
<option>
<name>CCJLinkIRLength</name>
<state>0</state>
</option>
<option>
<name>CCJLinkCommRadio</name>
<state>0</state>
</option>
<option>
<name>CCJLinkTCPIP</name>
<state>aaa.bbb.ccc.ddd</state>
</option>
</data>
</settings>
<settings>
<name>MACRAIGOR_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>1</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
<name>jtag</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>EmuSpeed</name>
<state>1</state>
</option>
<option>
<name>TCPIP</name>
<state>aaa.bbb.ccc.ddd</state>
</option>
<option>
<name>DoLogfile</name>
<state>0</state>
</option>
<option>
<name>LogFile</name>
<state>$TOOLKIT_DIR$\cspycomm.log</state>
</option>
<option>
<name>DoEmuMultiTarget</name>
<state>0</state>
</option>
<option>
<name>EmuMultiTarget</name>
<state>0@ARM7TDMI</state>
</option>
<option>
<name>EmuHWReset</name>
<state>0</state>
</option>
<option>
<name>CEmuCommBaud</name>
<version>0</version>
<state>4</state>
</option>
<option>
<name>CEmuCommPort</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>jtago</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>OCDriverInfo</name>
<state>1</state>
</option>
<option>
<name>UnusedAddr</name>
<state>0x00800000</state>
</option>
<option>
<name>CCMacraigorHWResetDelay</name>
<state></state>
</option>
</data>
</settings>
<settings>
<name>RDI_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>1</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
<name>CRDIDriverDll</name>
<state>Browse to your RDI driver</state>
</option>
<option>
<name>CRDILogFileCheck</name>
<state>0</state>
</option>
<option>
<name>CRDILogFileEdit</name>
<state>$TOOLKIT_DIR$\cspycomm.log</state>
</option>
<option>
<name>CCRDIHWReset</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchReset</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchUndef</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchSWI</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchData</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchPrefetch</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchIRQ</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchFIQ</name>
<state>0</state>
</option>
<option>
<name>CCRDIUseETM</name>
<state>0</state>
</option>
<option>
<name>OCDriverInfo</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
<name>THIRDPARTY_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>0</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
<name>CThirdPartyDriverDll</name>
<state>Browse to your third-party driver</state>
</option>
<option>
<name>CThirdPartyLogFileCheck</name>
<state>0</state>
</option>
<option>
<name>CThirdPartyLogFileEditB</name>
<state>$TOOLKIT_DIR$\cspycomm.log</state>
</option>
<option>
<name>OCDriverInfo</name>
<state>1</state>
</option>
</data>
</settings>
<debuggerPlugins>
<plugin>
<file>$EW_DIR$\common\plugins\CodeCoverage\CodeCoverage.ewplugin</file>
<loadFlag>1</loadFlag>
</plugin>
<plugin>
<file>$EW_DIR$\common\plugins\Profiling\Profiling.ewplugin</file>
<loadFlag>1</loadFlag>
</plugin>
<plugin>
<file>$EW_DIR$\common\plugins\Trace\Trace.ewplugin</file>
<loadFlag>1</loadFlag>
</plugin>
<plugin>
<file>$EW_DIR$\common\plugins\Orti\Orti.ewplugin</file>
<loadFlag>0</loadFlag>
</plugin>
<plugin>
<file>$TOOLKIT_DIR$\plugins\rtos\CMX\CMXArmPlugin.ewplugin</file>
<loadFlag>0</loadFlag>
</plugin>
<plugin>
<file>$TOOLKIT_DIR$\plugins\rtos\CMX\CMXTinyArmPlugin.ewplugin</file>
<loadFlag>0</loadFlag>
</plugin>
<plugin>
<file>$TOOLKIT_DIR$\plugins\rtos\ThreadX\ThreadXArmPlugin.ewplugin</file>
<loadFlag>0</loadFlag>
</plugin>
<plugin>
<file>$TOOLKIT_DIR$\plugins\rtos\OSE\OseEpsilonPlugin.ewplugin</file>
<loadFlag>0</loadFlag>
</plugin>
</debuggerPlugins>
</configuration>
<configuration>
<name>Flash Bin</name>
<toolchain>
<name>ARM</name>
</toolchain>
<debug>0</debug>
<settings>
<name>C-SPY</name>
<archiveVersion>2</archiveVersion>
<data>
<version>13</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
<name>CInput</name>
<state>1</state>
</option>
<option>
<name>CEndian</name>
<state>1</state>
</option>
<option>
<name>CProcessor</name>
<state>1</state>
</option>
<option>
<name>OCVariant</name>
<state>0</state>
</option>
<option>
<name>MacOverride</name>
<state>0</state>
</option>
<option>
<name>MacFile</name>
<state></state>
</option>
<option>
<name>MemOverride</name>
<state>0</state>
</option>
<option>
<name>MemFile</name>
<state>$TOOLKIT_DIR$\CONFIG\iolpc2129.ddf</state>
</option>
<option>
<name>RunToEnable</name>
<state>1</state>
</option>
<option>
<name>RunToName</name>
<state>main</state>
</option>
<option>
<name>CExtraOptionsCheck</name>
<state>0</state>
</option>
<option>
<name>CExtraOptions</name>
<state></state>
</option>
<option>
<name>CFpuProcessor</name>
<state>1</state>
</option>
<option>
<name>OCDDFArgumentProducer</name>
<state></state>
</option>
<option>
<name>OCDownloadSuppressDownload</name>
<state>0</state>
</option>
<option>
<name>OCDownloadVerifyAll</name>
<state>0</state>
</option>
<option>
<name>OCProductVersion</name>
<state>4.10B</state>
</option>
<option>
<name>OCDynDriverList</name>
<state>JLINK_ID</state>
</option>
<option>
<name>OCLastSavedByProductVersion</name>
<state>4.30A</state>
</option>
<option>
<name>OCDownloadAttachToProgram</name>
<state>0</state>
</option>
<option>
<name>FlashLoaders</name>
<state>,,,,(default),</state>
</option>
<option>
<name>UseFlashLoader</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
<name>ARMSIM_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>0</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
<name>OCSimDriverInfo</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
<name>ANGEL_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>0</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
<name>CCAngelHeartbeat</name>
<state>1</state>
</option>
<option>
<name>CAngelCommunication</name>
<state>1</state>
</option>
<option>
<name>CAngelCommBaud</name>
<version>0</version>
<state>3</state>
</option>
<option>
<name>CAngelCommPort</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>ANGELTCPIP</name>
<state>aaa.bbb.ccc.ddd</state>
</option>
<option>
<name>DoAngelLogfile</name>
<state>0</state>
</option>
<option>
<name>AngelLogFile</name>
<state>$TOOLKIT_DIR$\cspycomm.log</state>
</option>
<option>
<name>OCDriverInfo</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
<name>IARROM_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>0</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
<name>CRomLogFileCheck</name>
<state>0</state>
</option>
<option>
<name>CRomLogFileEditB</name>
<state>$TOOLKIT_DIR$\cspycomm.log</state>
</option>
<option>
<name>CRomCommunication</name>
<state>0</state>
</option>
<option>
<name>CRomCommPort</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>CRomCommBaud</name>
<version>0</version>
<state>7</state>
</option>
<option>
<name>OCDriverInfo</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
<name>JLINK_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>2</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
<name>JLinkSpeed</name>
<state>30</state>
</option>
<option>
<name>CCJLinkHWReset</name>
<state>1</state>
</option>
<option>
<name>CCJLinkTRSTReset</name>
<state>0</state>
</option>
<option>
<name>CCJLinkDoLogfile</name>
<state>0</state>
</option>
<option>
<name>CCJLinkLogFile</name>
<state>$TOOLKIT_DIR$\cspycomm.log</state>
</option>
<option>
<name>CCJLinkHWResetDelay</name>
<state></state>
</option>
<option>
<name>CCJLinkSpeedRadio</name>
<state>0</state>
</option>
<option>
<name>OCDriverInfo</name>
<state>1</state>
</option>
<option>
<name>JLinkInitialSpeed</name>
<state>32</state>
</option>
<option>
<name>CCDoJlinkMultiTarget</name>
<state>0</state>
</option>
<option>
<name>CCScanChainNonARMDevices</name>
<state>0</state>
</option>
<option>
<name>CCJLinkMultiTarget</name>
<state>0</state>
</option>
<option>
<name>CCJLinkIRLength</name>
<state>0</state>
</option>
<option>
<name>CCJLinkCommRadio</name>
<state>0</state>
</option>
<option>
<name>CCJLinkTCPIP</name>
<state>aaa.bbb.ccc.ddd</state>
</option>
</data>
</settings>
<settings>
<name>MACRAIGOR_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>1</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
<name>jtag</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>EmuSpeed</name>
<state>1</state>
</option>
<option>
<name>TCPIP</name>
<state>aaa.bbb.ccc.ddd</state>
</option>
<option>
<name>DoLogfile</name>
<state>0</state>
</option>
<option>
<name>LogFile</name>
<state>$TOOLKIT_DIR$\cspycomm.log</state>
</option>
<option>
<name>DoEmuMultiTarget</name>
<state>0</state>
</option>
<option>
<name>EmuMultiTarget</name>
<state>0@ARM7TDMI</state>
</option>
<option>
<name>EmuHWReset</name>
<state>0</state>
</option>
<option>
<name>CEmuCommBaud</name>
<version>0</version>
<state>4</state>
</option>
<option>
<name>CEmuCommPort</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>jtago</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>OCDriverInfo</name>
<state>1</state>
</option>
<option>
<name>UnusedAddr</name>
<state>0x00800000</state>
</option>
<option>
<name>CCMacraigorHWResetDelay</name>
<state></state>
</option>
</data>
</settings>
<settings>
<name>RDI_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>1</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
<name>CRDIDriverDll</name>
<state>Browse to your RDI driver</state>
</option>
<option>
<name>CRDILogFileCheck</name>
<state>0</state>
</option>
<option>
<name>CRDILogFileEdit</name>
<state>$TOOLKIT_DIR$\cspycomm.log</state>
</option>
<option>
<name>CCRDIHWReset</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchReset</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchUndef</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchSWI</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchData</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchPrefetch</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchIRQ</name>
<state>0</state>
</option>
<option>
<name>CCRDICatchFIQ</name>
<state>0</state>
</option>
<option>
<name>CCRDIUseETM</name>
<state>0</state>
</option>
<option>
<name>OCDriverInfo</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
<name>THIRDPARTY_ID</name>
<archiveVersion>2</archiveVersion>
<data>
<version>0</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
<name>CThirdPartyDriverDll</name>
<state>Browse to your third-party driver</state>
</option>
<option>
<name>CThirdPartyLogFileCheck</name>
<state>0</state>
</option>
<option>
<name>CThirdPartyLogFileEditB</name>
<state>$TOOLKIT_DIR$\cspycomm.log</state>
</option>
<option>
<name>OCDriverInfo</name>
<state>1</state>
</option>
</data>
</settings>
<debuggerPlugins>
<plugin>
<file>$EW_DIR$\common\plugins\CodeCoverage\CodeCoverage.ewplugin</file>
<loadFlag>1</loadFlag>
</plugin>
<plugin>
<file>$EW_DIR$\common\plugins\Profiling\Profiling.ewplugin</file>
<loadFlag>1</loadFlag>
</plugin>
<plugin>
<file>$EW_DIR$\common\plugins\Trace\Trace.ewplugin</file>
<loadFlag>1</loadFlag>
</plugin>
<plugin>
<file>$EW_DIR$\common\plugins\Orti\Orti.ewplugin</file>
<loadFlag>0</loadFlag>
</plugin>
<plugin>
<file>$TOOLKIT_DIR$\plugins\rtos\CMX\CMXArmPlugin.ewplugin</file>
<loadFlag>0</loadFlag>
</plugin>
<plugin>
<file>$TOOLKIT_DIR$\plugins\rtos\CMX\CMXTinyArmPlugin.ewplugin</file>
<loadFlag>0</loadFlag>
</plugin>
<plugin>
<file>$TOOLKIT_DIR$\plugins\rtos\ThreadX\ThreadXArmPlugin.ewplugin</file>
<loadFlag>0</loadFlag>
</plugin>
<plugin>
<file>$TOOLKIT_DIR$\plugins\rtos\OSE\OseEpsilonPlugin.ewplugin</file>
<loadFlag>0</loadFlag>
</plugin>
</debuggerPlugins>
</configuration>
</project>

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@ -0,0 +1,10 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<workspace>
<project>
<path>$WS_DIR$\rtosdemo.ewp</path>
</project>
<batchBuild/>
</workspace>

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@ -0,0 +1,288 @@
/*
FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FreeRTOS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
See http://www.FreeRTOS.org for documentation, latest information, license
and contact details. Please ensure to read the configuration and relevant
port sections of the online documentation.
***************************************************************************
*/
/*
BASIC INTERRUPT DRIVEN SERIAL PORT DRIVER FOR UART0.
*/
/* Standard includes. */
#include <stdlib.h>
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "queue.h"
#include "task.h"
/* Demo application includes. */
#include "serial.h"
/*-----------------------------------------------------------*/
/* Constants to setup and access the UART. */
#define serDLAB ( ( unsigned portCHAR ) 0x80 )
#define serENABLE_INTERRUPTS ( ( unsigned portCHAR ) 0x03 )
#define serNO_PARITY ( ( unsigned portCHAR ) 0x00 )
#define ser1_STOP_BIT ( ( unsigned portCHAR ) 0x00 )
#define ser8_BIT_CHARS ( ( unsigned portCHAR ) 0x03 )
#define serFIFO_ON ( ( unsigned portCHAR ) 0x01 )
#define serCLEAR_FIFO ( ( unsigned portCHAR ) 0x06 )
#define serWANTED_CLOCK_SCALING ( ( unsigned portLONG ) 16 )
/* Constants to setup and access the VIC. */
#define serU0VIC_CHANNEL ( ( unsigned portLONG ) 0x0006 )
#define serU0VIC_CHANNEL_BIT ( ( unsigned portLONG ) 0x0040 )
#define serU0VIC_ENABLE ( ( unsigned portLONG ) 0x0020 )
#define serCLEAR_VIC_INTERRUPT ( ( unsigned portLONG ) 0 )
/* Constants to determine the ISR source. */
#define serSOURCE_THRE ( ( unsigned portCHAR ) 0x02 )
#define serSOURCE_RX_TIMEOUT ( ( unsigned portCHAR ) 0x0c )
#define serSOURCE_ERROR ( ( unsigned portCHAR ) 0x06 )
#define serSOURCE_RX ( ( unsigned portCHAR ) 0x04 )
#define serINTERRUPT_SOURCE_MASK ( ( unsigned portCHAR ) 0x0f )
/* Misc. */
#define serINVALID_QUEUE ( ( xQueueHandle ) 0 )
#define serHANDLE ( ( xComPortHandle ) 1 )
#define serNO_BLOCK ( ( portTickType ) 0 )
/*-----------------------------------------------------------*/
/* Queues used to hold received characters, and characters waiting to be
transmitted. */
static xQueueHandle xRxedChars;
static xQueueHandle xCharsForTx;
static volatile portLONG lTHREEmpty = pdFALSE;
/*-----------------------------------------------------------*/
/* The ISR. Note that this is called by a wrapper written in the file
SerialISR.s79. See the WEB documentation for this port for further
information. */
__arm void vSerialISR( void );
/*-----------------------------------------------------------*/
xComPortHandle xSerialPortInitMinimal( unsigned portLONG ulWantedBaud, unsigned portBASE_TYPE uxQueueLength )
{
unsigned portLONG ulDivisor, ulWantedClock;
xComPortHandle xReturn = serHANDLE;
extern void ( vSerialISREntry) ( void );
/* Create the queues used to hold Rx and Tx characters. */
xRxedChars = xQueueCreate( uxQueueLength, ( unsigned portBASE_TYPE ) sizeof( signed portCHAR ) );
xCharsForTx = xQueueCreate( uxQueueLength + 1, ( unsigned portBASE_TYPE ) sizeof( signed portCHAR ) );
/* Initialise the THRE empty flag. */
lTHREEmpty = pdTRUE;
if(
( xRxedChars != serINVALID_QUEUE ) &&
( xCharsForTx != serINVALID_QUEUE ) &&
( ulWantedBaud != ( unsigned portLONG ) 0 )
)
{
portENTER_CRITICAL();
{
/* Setup the baud rate: Calculate the divisor value. */
ulWantedClock = ulWantedBaud * serWANTED_CLOCK_SCALING;
ulDivisor = configCPU_CLOCK_HZ / ulWantedClock;
/* Set the DLAB bit so we can access the divisor. */
U0LCR |= serDLAB;
/* Setup the divisor. */
U0DLL = ( unsigned portCHAR ) ( ulDivisor & ( unsigned portLONG ) 0xff );
ulDivisor >>= 8;
U0DLM = ( unsigned portCHAR ) ( ulDivisor & ( unsigned portLONG ) 0xff );
/* Turn on the FIFO's and clear the buffers. */
U0FCR = ( serFIFO_ON | serCLEAR_FIFO );
/* Setup transmission format. */
U0LCR = serNO_PARITY | ser1_STOP_BIT | ser8_BIT_CHARS;
/* Setup the VIC for the UART. */
VICIntSelect &= ~( serU0VIC_CHANNEL_BIT );
VICIntEnable |= serU0VIC_CHANNEL_BIT;
VICVectAddr1 = ( unsigned portLONG ) vSerialISREntry;
VICVectCntl1 = serU0VIC_CHANNEL | serU0VIC_ENABLE;
/* Enable UART0 interrupts. */
U0IER |= serENABLE_INTERRUPTS;
}
portEXIT_CRITICAL();
xReturn = ( xComPortHandle ) 1;
}
else
{
xReturn = ( xComPortHandle ) 0;
}
return xReturn;
}
/*-----------------------------------------------------------*/
signed portBASE_TYPE xSerialGetChar( xComPortHandle pxPort, signed portCHAR *pcRxedChar, portTickType xBlockTime )
{
/* The port handle is not required as this driver only supports UART0. */
( void ) pxPort;
/* Get the next character from the buffer. Return false if no characters
are available, or arrive before xBlockTime expires. */
if( xQueueReceive( xRxedChars, pcRxedChar, xBlockTime ) )
{
return pdTRUE;
}
else
{
return pdFALSE;
}
}
/*-----------------------------------------------------------*/
void vSerialPutString( xComPortHandle pxPort, const signed portCHAR * const pcString, unsigned portSHORT usStringLength )
{
signed portCHAR *pxNext;
/* NOTE: This implementation does not handle the queue being full as no
block time is used! */
/* The port handle is not required as this driver only supports UART0. */
( void ) pxPort;
( void ) usStringLength;
/* Send each character in the string, one at a time. */
pxNext = ( signed portCHAR * ) pcString;
while( *pxNext )
{
xSerialPutChar( pxPort, *pxNext, serNO_BLOCK );
pxNext++;
}
}
/*-----------------------------------------------------------*/
signed portBASE_TYPE xSerialPutChar( xComPortHandle pxPort, signed portCHAR cOutChar, portTickType xBlockTime )
{
signed portBASE_TYPE xReturn;
/* The port handle is not required as this driver only supports UART0. */
( void ) pxPort;
portENTER_CRITICAL();
{
/* Is there space to write directly to the UART? */
if( lTHREEmpty == ( portLONG ) pdTRUE )
{
/* We wrote the character directly to the UART, so was
successful. */
lTHREEmpty = pdFALSE;
U0THR = cOutChar;
xReturn = pdPASS;
}
else
{
/* We cannot write directly to the UART, so queue the character.
Block for a maximum of xBlockTime if there is no space in the
queue. It is ok to block within a critical section as each
task has it's own critical section management. */
xReturn = xQueueSend( xCharsForTx, &cOutChar, xBlockTime );
/* Depending on queue sizing and task prioritisation: While we
were blocked waiting to post interrupts were not disabled. It is
possible that the serial ISR has emptied the Tx queue, in which
case we need to start the Tx off again. */
if( lTHREEmpty == ( portLONG ) pdTRUE )
{
xQueueReceive( xCharsForTx, &cOutChar, serNO_BLOCK );
lTHREEmpty = pdFALSE;
U0THR = cOutChar;
}
}
}
portEXIT_CRITICAL();
return xReturn;
}
/*-----------------------------------------------------------*/
__arm void vSerialISR( void )
{
signed portCHAR cChar;
portBASE_TYPE xTaskWokenByRx = pdFALSE, xTaskWokenByTx = pdFALSE;
/* What caused the interrupt? */
switch( U0IIR & serINTERRUPT_SOURCE_MASK )
{
case serSOURCE_ERROR : /* Not handling this, but clear the interrupt. */
cChar = U0LSR;
break;
case serSOURCE_THRE : /* The THRE is empty. If there is another
character in the Tx queue, send it now. */
if( xQueueReceiveFromISR( xCharsForTx, &cChar, &xTaskWokenByTx ) == pdTRUE )
{
U0THR = cChar;
}
else
{
/* There are no further characters
queued to send so we can indicate
that the THRE is available. */
lTHREEmpty = pdTRUE;
}
break;
case serSOURCE_RX_TIMEOUT :
case serSOURCE_RX : /* A character was received. Place it in
the queue of received characters. */
cChar = U0RBR;
if( xQueueSendFromISR( xRxedChars, &cChar, pdFALSE ) )
{
xTaskWokenByRx = pdTRUE;
}
break;
default : /* There is nothing to do, leave the ISR. */
break;
}
/* Exit the ISR. If a task was woken by either a character being received
or transmitted then a context switch will occur. */
portEND_SWITCHING_ISR( ( xTaskWokenByTx || xTaskWokenByRx ) );
/* Clear the ISR in the VIC. */
VICVectAddr = serCLEAR_VIC_INTERRUPT;
}
/*-----------------------------------------------------------*/

View file

@ -0,0 +1,24 @@
RSEG ICODE:CODE
CODE32
EXTERN vSerialISR
PUBLIC vSerialISREntry
; Wrapper for the serial port interrupt service routine. This can cause a
; context switch so requires an assembly wrapper.
; Defines the portSAVE_CONTEXT and portRESTORE_CONTEXT macros.
#include "ISR_Support.h"
vSerialISREntry:
portSAVE_CONTEXT ; Save the context of the current task.
bl vSerialISR ; Call the ISR routine.
portRESTORE_CONTEXT ; Restore the context of the current task -
; which may be different to the task that
; was interrupted.
END

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@ -0,0 +1,71 @@
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View file

@ -0,0 +1,17 @@
// IAR XLINK Setup
// Autogenerated file - do not edit
%
setrangelist($evec_ADR,[0-3F]);
setrangelist($internal_ROM,[8000-FFFFF]);
setrangelist($external_ROM,[]);
setrangelist($internal_RAM,[100000-7FFFFF]);
setrangelist($external_RAM,[]);
$CSTACK_SIZE=200;
$IRQSTACK_SIZE=400;
$HEAP_SIZE=4;
$COMMANDS="";
$STACK_LOCATION="Internal RAM";
$IRQSTACK_LOCATION="Internal RAM";
$HEAP_LOCATION="Internal RAM";
$iar_saved_xclfilename="E:\Dev\FreeRTOS\Demo\ARM7_LPC2129_IAR\resource\rtosdemo_lnk.xcl";
%