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Prepare the MSP430X IAR demo for release.

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This commit is contained in:
Richard Barry 2011-01-01 11:27:48 +00:00
parent eb94f856a8
commit 34f15ddecd
12 changed files with 797 additions and 532 deletions
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11
Demo/MSP430X_MSP430F5438_IAR/FreeRTOSConfig.h
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@ -74,7 +74,7 @@
#define configMAX_PRIORITIES ( ( unsigned portBASE_TYPE ) 5 )
#define configMINIMAL_STACK_SIZE ( ( unsigned short ) 70 )
#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 10 * 1024 ) )
#define configMAX_TASK_NAME_LEN ( 16 )
#define configMAX_TASK_NAME_LEN ( 10 )
#define configUSE_TRACE_FACILITY 0
#define configUSE_16_BIT_TICKS 0
#define configIDLE_SHOULD_YIELD 1
@ -92,15 +92,20 @@
/* 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 1
#define INCLUDE_vTaskDelete 0
#define INCLUDE_vTaskCleanUpResources 0
#define INCLUDE_vTaskSuspend 1
#define INCLUDE_vTaskDelayUntil 1
#define INCLUDE_vTaskDelay 1
/* The MSP430X port uses a callback function to configure its tick interrupt.
This allows the application to choose the tick interrupt source.
configTICK_INTERRUPT_VECTOR must also be set in FreeRTOSConfig.h to the correct
interrupt vector for the chosen tick interrupt source. This implementation of
vApplicationSetupTimerInterrupt() generates the tick from timer A0, so in this
case configTICK_INTERRUPT_VECTOR is set to TIMER0_A0_VECTOR. */
#define configTICK_INTERRUPT_VECTOR TIMER0_A0_VECTOR
/* Prevent the following definitions being included when FreeRTOSConfig.h

762
Demo/MSP430X_MSP430F5438_IAR/MSP-EXP430F5438_HAL/hal_lcd.c
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File diff suppressed because it is too large Load Diff

8
Demo/MSP430X_MSP430F5438_IAR/ParTest.c
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@ -74,6 +74,7 @@ void vParTestInitialise( void )
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
/* Only two LEDs are provided on the hardware. */
taskENTER_CRITICAL();
{
if( xValue != pdFALSE )
@ -85,6 +86,9 @@ void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
case 1: LED_PORT_OUT |= LED_2;
break;
default: /* Nothing to do here, there are only two LEDs. */
break;
}
}
else
@ -96,6 +100,8 @@ void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
case 1: LED_PORT_OUT &= ~LED_2;
break;
default: /* Nothing to do here, there are only two LEDs. */
break;
}
}
}
@ -128,6 +134,8 @@ void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
LED_PORT_OUT &= ~LED_2;
}
break;
default: /* Nothing to do here, there are only two LEDs. */
break;
}
}
taskEXIT_CRITICAL();

3
Demo/MSP430X_MSP430F5438_IAR/RTOSDemo.ewp
View File

@ -1862,6 +1862,9 @@
<file>
<name>$PROJ_DIR$\RegTest.s43</name>
</file>
<file>
<name>$PROJ_DIR$\RunTimeStatsConfig.c</name>
</file>
<file>
<name>$PROJ_DIR$\serial.c</name>
</file>

72
Demo/MSP430X_MSP430F5438_IAR/RegTest.s43
View File

@ -53,8 +53,16 @@
#include "msp430.h"
#include "FreeRTOSConfig.h"
/*
* The definition of the "register test" tasks, as described at the top of
* main.c
*/
IMPORT usRegTest1Counter
IMPORT usRegTest2Counter
IMPORT vPortYield
EXPORT vRegTest1Task
EXPORT vRegTest2Task
@ -63,6 +71,7 @@
vRegTest1Task:
/* Fill each general purpose register with a known value. */
movx.a #0x44444, r4
movx.a #0x55555, r5
movx.a #0x66666, r6
@ -78,6 +87,9 @@ vRegTest1Task:
prvRegTest1Loop:
/* Test each general purpose register to check that it still contains the
expected known value, jumping to vRegTest1Error if any register contains
an unexpected value. */
cmpx.a #0x44444, r4
jne vRegTest1Error
cmpx.a #0x55555, r5
@ -102,7 +114,12 @@ prvRegTest1Loop:
jne vRegTest1Error
cmpx.a #0xfffff, r15
jne vRegTest1Error
/* This task is still running without jumping to vRegTest1Error, so increment
the loop counter so the check task knows the task is running error free. */
incx.w &usRegTest1Counter
/* Loop again, performing the same tests. */
jmp prvRegTest1Loop
nop
@ -110,49 +127,56 @@ prvRegTest1Loop:
vRegTest1Error:
jmp vRegTest1Error
nop
/*-----------------------------------------------------------*/
/* See the comments in vRegTest1Task. This task is the same, it just uses
different values in its registers. */
vRegTest2Task:
movx.a #0x44444, r4
movx.a #0x55555, r5
movx.a #0x66666, r6
movx.a #0x77777, r7
movx.a #0x88888, r8
movx.a #0x99999, r9
movx.a #0xaaaaa, r10
movx.a #0xbbbbb, r11
movx.a #0xccccc, r12
movx.a #0xddddd, r13
movx.a #0xeeeee, r14
movx.a #0xfffff, r15
movx.a #0x14441, r4
movx.a #0x15551, r5
movx.a #0x16661, r6
movx.a #0x17771, r7
movx.a #0x18881, r8
movx.a #0x19991, r9
movx.a #0x1aaa1, r10
movx.a #0x1bbb1, r11
movx.a #0x1ccc1, r12
movx.a #0x1ddd1, r13
movx.a #0x1eee1, r14
movx.a #0x1fff1, r15
prvRegTest2Loop:
cmpx.a #0x44444, r4
cmpx.a #0x14441, r4
jne vRegTest2Error
cmpx.a #0x55555, r5
cmpx.a #0x15551, r5
jne vRegTest2Error
cmpx.a #0x66666, r6
cmpx.a #0x16661, r6
jne vRegTest2Error
cmpx.a #0x77777, r7
cmpx.a #0x17771, r7
jne vRegTest2Error
cmpx.a #0x88888, r8
cmpx.a #0x18881, r8
jne vRegTest2Error
cmpx.a #0x99999, r9
cmpx.a #0x19991, r9
jne vRegTest2Error
cmpx.a #0xaaaaa, r10
cmpx.a #0x1aaa1, r10
jne vRegTest2Error
cmpx.a #0xbbbbb, r11
cmpx.a #0x1bbb1, r11
jne vRegTest2Error
cmpx.a #0xccccc, r12
cmpx.a #0x1ccc1, r12
jne vRegTest2Error
cmpx.a #0xddddd, r13
cmpx.a #0x1ddd1, r13
jne vRegTest2Error
cmpx.a #0xeeeee, r14
cmpx.a #0x1eee1, r14
jne vRegTest2Error
cmpx.a #0xfffff, r15
cmpx.a #0x1fff1, r15
jne vRegTest2Error
/* Also perform a manual yield, just to increase the scope of the test. */
calla #vPortYield
incx.w &usRegTest2Counter
jmp prvRegTest2Loop
nop

115
Demo/MSP430X_MSP430F5438_IAR/RunTimeStatsConfig.c Normal file
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@ -0,0 +1,115 @@
/*
FreeRTOS V6.1.0 - Copyright (C) 2010 Real Time Engineers Ltd.
***************************************************************************
* *
* If you are: *
* *
* + New to FreeRTOS, *
* + Wanting to learn FreeRTOS or multitasking in general quickly *
* + Looking for basic training, *
* + Wanting to improve your FreeRTOS skills and productivity *
* *
* then take a look at the FreeRTOS books - available as PDF or paperback *
* *
* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
* http://www.FreeRTOS.org/Documentation *
* *
* A pdf reference manual is also available. Both are usually delivered *
* to your inbox within 20 minutes to two hours when purchased between 8am *
* and 8pm GMT (although please allow up to 24 hours in case of *
* exceptional circumstances). Thank you for your support! *
* *
***************************************************************************
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 (version 2) as published by the
Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
***NOTE*** The exception to the GPL is included to allow you to distribute
a combined work that includes FreeRTOS without being obliged to provide the
source code for proprietary components outside of the FreeRTOS kernel.
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 and the FreeRTOS license exception along with FreeRTOS; if not it
can be viewed here: http://www.freertos.org/a00114.html and also obtained
by writing to Richard Barry, contact details for whom are available on the
FreeRTOS WEB site.
1 tab == 4 spaces!
http://www.FreeRTOS.org - Documentation, latest information, license and
contact details.
http://www.SafeRTOS.com - A version that is certified for use in safety
critical systems.
http://www.OpenRTOS.com - Commercial support, development, porting,
licensing and training services.
*/
/* FreeRTOS includes. */
#include "FreeRTOS.h"
/* Hardware includes. */
#include "msp430.h"
#include "hal_MSP-EXP430F5438.h"
/* This demo uses Timer A1 to generate the time base for gathering run time
statistics information. Run time statistics show much processing time has
been allocated to each task since the application booted. */
/* The time base for the run time stats is generated by a 16 bit timer. Each
time the timer overflows ulStatsOverflowCount is incremented. Therefore,
when converting the total run time to a 32 bit number, the most significant two
bytes are given by ulStatsOverflowCount and the least significant two bytes are
given by the current timer counter value. Care must be taken with data
consistency when combining the two in case a timer overflow occurs as the
value is being read. */
volatile unsigned long ulStatsOverflowCount = 0;
/*-----------------------------------------------------------*/
void vConfigureTimerForRunTimeStats( void )
{
/* Ensure the timer is stopped. */
TA1CTL = 0;
/* Run the timer from the ACLK/4. */
TA1CTL = TASSEL_1 | ID__4;
/* Clear everything to start with. */
TA1CTL |= TACLR;
/* Enable the interrupts. */
TA1CCTL0 = CCIE;
/* Start up clean. */
TA1CTL |= TACLR;
/* Continuous mode. */
TA1CTL |= MC__CONTINOUS;
}
/*-----------------------------------------------------------*/
#pragma vector=TIMER1_A0_VECTOR
static __interrupt void prvRunTimeStatsOverflowISR( void )
{
ulStatsOverflowCount++;
}
/*-----------------------------------------------------------*/
inline unsigned long ulGetRunTimeStatsTime( void )
{
unsigned long ulReturn;
TA1CTL &= ~MC__CONTINOUS;
ulReturn = ( ( ulStatsOverflowCount << 16UL ) | ( unsigned long ) TA1R );
TA1CTL |= MC__CONTINOUS;
return ulReturn;
}
/*-----------------------------------------------------------*/

4
Demo/MSP430X_MSP430F5438_IAR/lnk430F5438A_mod.xcl
View File

@ -195,9 +195,9 @@
// *** Modified to place code in high memory and insodoing, testing the port.
// Original code
//-P(CODE)CODE=5C00-FF7F,10000-45BFF
-P(CODE)CODE=5C00-FF7F,10000-45BFF
// Modified code
-P(CODE)CODE=10000-45BFF
//-P(CODE)CODE=10000-45BFF
-Z(CODE)CODE_ID

293
Demo/MSP430X_MSP430F5438_IAR/main.c
View File

@ -51,6 +51,87 @@
licensing and training services.
*/
/*
* The documentation page for this demo available on http://www.FreeRTOS.org
* documents the hardware configuration required to run this demo. It also
* provides more information on the expected demo application behaviour.
*
* main() creates all the demo application tasks, then starts the scheduler.
* A lot of the created tasks are from the pool of "standard demo" tasks. The
* web documentation provides more details of the standard demo tasks, which
* provide no particular functionality but do provide good examples of how to
* use the FreeRTOS API.
*
* In addition to the standard demo tasks, the following tasks, interrupts and
* tests are defined and/or created within this file:
*
* "LCD" task - The LCD task is a 'gatekeeper' task. It is the only task that
* is permitted to access the LCD and therefore ensures access to the LCD is
* always serialised and there are no mutual exclusion issues. When a task or
* an interrupt wants to write to the LCD, it does not access the LCD directly
* but instead sends the message to the LCD task. The LCD task then performs
* the actual LCD output. This mechanism also allows interrupts to, in effect,
* write to the LCD by sending messages to the LCD task.
*
* The LCD task is also a demonstration of a 'controller' task design pattern.
* Some tasks do not actually send a string to the LCD task directly, but
* instead send a command that is interpreted by the LCD task. In a normal
* application these commands can be control values or set points, in this
* simple example the commands just result in messages being displayed on the
* LCD.
*
* "Button Poll" task - This task polls the state of the 'up' key on the
* joystick input device. It uses the vTaskDelay() API function to control
* the poll rate to ensure debouncing is not necessary and that the task does
* not use all the available CPU processing time.
*
* Button Interrupt and run time stats display - The select button on the
* joystick input device is configured to generate an external interrupt. The
* handler for this interrupt sends a message to LCD task, which interprets the
* message to mean, firstly write a message to the LCD, and secondly, generate
* a table of run time statistics. The run time statistics are displayed as a
* table that contains information on how much processing time each task has
* been allocated since the application started to execute. This information
* is provided both as an absolute time, and as a percentage of the total run
* time. The information is displayed in the terminal IO window of the IAR
* embedded workbench. The online documentation for this demo shows a screen
* shot demonstrating where the run time stats can be viewed.
*
* Idle Hook - The idle hook is a function that is called on each iteration of
* the idle task. In this case it is used to place the processor into a low
* power mode. Note however that this application is implemented using standard
* components, and is therefore not optimised for low power operation. Lower
* power consumption would be achieved by converting polling tasks into event
* driven tasks, and slowing the tick interrupt frequency.
*
* "Check" function called from the tick hook - The tick hook is called during
* each tick interrupt. It is called from an interrupt context so must execute
* quickly, not attempt to block, and not call any FreeRTOS API functions that
* do not end in "FromISR". In this case the tick hook executes a 'check'
* function. This only executes every five seconds. Its main function is to
* check that all the standard demo tasks are still operational. Each time it
* executes it sends a status code to the LCD task. The LCD task interprets the
* code and displays an appropriate message - which will be PASS if no tasks
* have reported any errors, or a message stating which task has reported an
* error.
*
* "Reg test" tasks - These fill the registers with known values, then check
* that each register still contains its expected value. Each task uses
* different values. The tasks run with very low priority so get preempted
* very frequently. A check variable is incremented on each iteration of the
* test loop. A register containing an unexpected value is indicative of an
* error in the context switching mechanism and will result in a branch to a
* null loop - which in turn will prevent the check variable from incrementing
* any further and allow the check task (described a above) to determine that an
* error has occurred. The nature of the reg test tasks necessitates that they
* are written in assembly code.
*
* *NOTE 2* vApplicationSetupTimerInterrupt() is called by the kernel to let
* the application set up a timer to generate the tick interrupt. In this
* example a timer A0 is used for this purpose.
*
*/
/* Standard includes. */
#include <stdio.h>
@ -88,30 +169,58 @@ of the same message and indicate what the status actually is. */
to send messages from tasks and interrupts the the LCD task. */
#define mainQUEUE_LENGTH ( 5 )
/* Priorities used by the test and demo tasks. */
#define mainLCD_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
#define mainCOM_TEST_PRIORITY ( tskIDLE_PRIORITY + 2 )
#define mainGENERIC_QUEUE_TEST_PRIORITY ( tskIDLE_PRIORITY )
/* The LED used by the comtest tasks. See the comtest.c file for more
information. In this case it is deliberately out of range as there are only
two LEDs, and they are both already in use. */
#define mainCOM_TEST_LED ( 3 )
information. */
#define mainCOM_TEST_LED ( 1 )
/* The baud rate used by the comtest tasks described at the top of this file. */
#define mainCOM_TEST_BAUD_RATE ( 9600 )
#define mainCOM_TEST_BAUD_RATE ( 115200 )
/* The maximum number of lines of text that can be displayed on the LCD. */
#define mainMAX_LCD_LINES ( 8 )
/*-----------------------------------------------------------*/
/*
* The reg test tasks as described at the top of this file.
*/
extern void vRegTest1Task( void *pvParameters );
extern void vRegTest2Task( void *pvParameters );
/*
* Configures clocks, LCD, port pints, etc. necessary to execute this demo.
*/
static void prvSetupHardware( void );
static void prvTerminalIOTask( void *pvParameters );
/*
* Definition of the LCD/controller task described in the comments at the top
* of this file.
*/
static void prvLCDTask( void *pvParameters );
/*
* Definition of the button poll task described in the comments at the top of
* this file.
*/
static void prvButtonPollTask( void *pvParameters );
/*
* Converts a status message value into an appropriate string for display on
* the LCD. The string is written to pcBuffer.
*/
static void prvGenerateStatusMessage( char *pcBuffer, long lStatusValue );
/*-----------------------------------------------------------*/
/* Variables that are incremented on each iteration of the reg test tasks -
provided the tasks have not reported any errors. The check task inspects these
variables to ensure they are still incrementing as expected. If a variable
stops incrementing then it is likely that its associate task has stalled. */
volatile unsigned short usRegTest1Counter = 0, usRegTest2Counter = 0;
volatile unsigned long ulStatsOverflowCount = 0;
/* The handle of the queue used to send messages from tasks and interrupts to
the LCD task. */
@ -121,19 +230,24 @@ static xQueueHandle xLCDQueue = NULL;
task. */
typedef struct
{
char cMessageID; /* << States what the message is. */
unsigned long ulMessageValue; /* << States the message value (can be an integer, string pointer, etc. depending on the value of cMessageID. */
char cMessageID; /* << States what the message is. */
unsigned long ulMessageValue; /* << States the message value (can be an integer, string pointer, etc. depending on the value of cMessageID). */
} xQueueMessage;
/*-----------------------------------------------------------*/
void main( void )
{
/* Configure the peripherals used by this demo application. This includes
configuring the joystick input select button to generate interrupts. */
prvSetupHardware();
/* Create the queue used by tasks and interrupts to send strings to the LCD
task. */
xLCDQueue = xQueueCreate( mainQUEUE_LENGTH, sizeof( xQueueMessage ) );
/* If the queue could not be created then don't create any tasks that might
attempt to use the queue. */
if( xLCDQueue != NULL )
{
/* Add the created queue to the queue registry so it can be viewed in
@ -145,22 +259,26 @@ void main( void )
vStartDynamicPriorityTasks();
vStartGenericQueueTasks( mainGENERIC_QUEUE_TEST_PRIORITY );
/* Create the terminal IO and button poll tasks, as described at the top
of this file. */
xTaskCreate( prvTerminalIOTask, ( signed char * ) "IO", configMINIMAL_STACK_SIZE * 2, NULL, mainLCD_TASK_PRIORITY, NULL );
/* Create the LCD, button poll and register test tasks, as described at
the top of this file. */
xTaskCreate( prvLCDTask, ( signed char * ) "LCD", configMINIMAL_STACK_SIZE * 2, NULL, mainLCD_TASK_PRIORITY, NULL );
xTaskCreate( prvButtonPollTask, ( signed char * ) "BPoll", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
/* Create the register test tasks as described at the top of this file. */
xTaskCreate( vRegTest1Task, "Reg1", configMINIMAL_STACK_SIZE, NULL, 0, NULL );
xTaskCreate( vRegTest2Task, "Reg2", configMINIMAL_STACK_SIZE, NULL, 0, NULL );
/* Start the scheduler. */
vTaskStartScheduler();
}
/* If all is well then this line will never be reached. If it is reached
then it is likely that there was insufficient (FreeRTOS) heap memory space
to create the idle task. This may have been trapped by the malloc() failed
hook function, if one is configured. */
for( ;; );
}
/*-----------------------------------------------------------*/
static void prvTerminalIOTask( void *pvParameters )
static void prvLCDTask( void *pvParameters )
{
xQueueMessage xReceivedMessage;
@ -192,7 +310,7 @@ unsigned char ucLine = 1;
xQueueReceive( xLCDQueue, &xReceivedMessage, portMAX_DELAY );
/* Clear the LCD if no room remains for any more text output. */
if( ucLine > 8 )
if( ucLine > mainMAX_LCD_LINES )
{
halLcdClearScreen();
ucLine = 0;
@ -225,7 +343,7 @@ unsigned char ucLine = 1;
the LCD - in this case the
pointer to the string to print
is sent directly in the
lMessageValue member of the
ulMessageValue member of the
message. This just demonstrates
a different communication
technique. */
@ -244,6 +362,9 @@ unsigned char ucLine = 1;
break;
}
/* Output the message that was placed into the cBuffer array within the
switch statement above, then move onto the next line ready for the next
message to arrive on the queue. */
halLcdPrintLine( cBuffer, ucLine, OVERWRITE_TEXT );
ucLine++;
}
@ -260,7 +381,7 @@ static void prvGenerateStatusMessage( char *pcBuffer, long lStatusValue )
break;
case mainERROR_DYNAMIC_TASKS : sprintf( pcBuffer, "Err: Dynamic tsks" );
break;
case mainERROR_COM_TEST : sprintf( pcBuffer, "Err: COM test" ); /* Error in COM test - is the Loopback connector connected? */
case mainERROR_COM_TEST : sprintf( pcBuffer, "Err: COM test" );
break;
case mainERROR_GEN_QUEUE_TEST : sprintf( pcBuffer, "Error: Gen Q test" );
break;
@ -286,6 +407,7 @@ xQueueMessage xMessage;
if( ucState != 0 )
{
/* The button was pressed. */
ucState = pdTRUE;
}
@ -307,6 +429,8 @@ xQueueMessage xMessage;
static void prvSetupHardware( void )
{
/* Convert a Hz value to a KHz value, as required by the Init_FLL_Settle()
function. */
unsigned long ulCPU_Clock_KHz = ( configCPU_CLOCK_HZ / 1000UL );
halBoardInit();
@ -316,64 +440,18 @@ unsigned long ulCPU_Clock_KHz = ( configCPU_CLOCK_HZ / 1000UL );
halButtonsInit( BUTTON_ALL );
halButtonsInterruptEnable( BUTTON_SELECT );
/* Initialise the LCD, but note that the backlight is not used as the
library function uses timer A0 to modulate the backlight, and this file
defines vApplicationSetupTimerInterrupt() to also use timer A0 to generate
the tick interrupt. If the backlight is required, then change either the
halLCD library or vApplicationSetupTimerInterrupt() to use a different
timer. Timer A1 is used for the run time stats time base6. */
halLcdInit();
halLcdBackLightInit();
halLcdSetBackLight( 0 );
halLcdSetContrast( 100 );
halLcdClearScreen();
halLcdPrintLine( " www.FreeRTOS.org", 0, OVERWRITE_TEXT );
while( ( halButtonsPressed() & BUTTON_UP ) == 0 );
}
/*-----------------------------------------------------------*/
void vApplicationSetupTimerInterrupt( void )
{
const unsigned short usACLK_Frequency_Hz = 32768;
/* Ensure the timer is stopped. */
TA0CTL = 0;
/* Run the timer from the ACLK. */
TA0CTL = TASSEL_1;
/* Clear everything to start with. */
TA0CTL |= TACLR;
/* Set the compare match value according to the tick rate we want. */
TA0CCR0 = usACLK_Frequency_Hz / configTICK_RATE_HZ;
/* Enable the interrupts. */
TA0CCTL0 = CCIE;
/* Start up clean. */
TA0CTL |= TACLR;
/* Up mode. */
TA0CTL |= MC_1;
}
/*-----------------------------------------------------------*/
void vApplicationMallocFailedHook( void )
{
for( ;; );
}
/*-----------------------------------------------------------*/
void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName )
{
( void ) pxTask;
( void ) pcTaskName;
for( ;; );
}
/*-----------------------------------------------------------*/
void vApplicationIdleHook( void )
{
/* Want to leave the SMCLK running so the COMTest tasks don't fail. */
__bis_SR_register( LPM1_bits + GIE );
}
/*-----------------------------------------------------------*/
@ -413,8 +491,8 @@ static xQueueMessage xStatusMessage = { mainMESSAGE_STATUS, pdPASS };
xStatusMessage.ulMessageValue = mainERROR_GEN_QUEUE_TEST;
}
/* Check the reg test tasks are still cycling. They will stop incrementing
their loop counters if they encounter an error. */
/* Check the reg test tasks are still cycling. They will stop
incrementing their loop counters if they encounter an error. */
if( usRegTest1Counter == usLastRegTest1Counter )
{
xStatusMessage.ulMessageValue = mainERROR_REG_TEST;
@ -435,17 +513,18 @@ static xQueueMessage xStatusMessage = { mainMESSAGE_STATUS, pdPASS };
ulCounter = 0;
}
/* Just periodically toggle an LED to show that the tick interrupt is
running. Note that this access LED_PORT_OUT in a non-atomic way, so tasks
that access the same port must do so from a critical section. */
if( ( ulCounter & 0xff ) == 0 )
{
if( ( LED_PORT_OUT & LED_1 ) == 0 )
{
LED_PORT_OUT |= LED_1;
LED_PORT_OUT &= ~LED_2;
}
else
{
LED_PORT_OUT &= ~LED_1;
LED_PORT_OUT |= LED_2;
}
}
}
@ -473,46 +552,68 @@ portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
}
/*-----------------------------------------------------------*/
void vConfigureTimerForRunTimeStats( void )
/* The MSP430X port uses this callback function to configure its tick interrupt.
This allows the application to choose the tick interrupt source.
configTICK_INTERRUPT_VECTOR must also be set in FreeRTOSConfig.h to the correct
interrupt vector for the chosen tick interrupt source. This implementation of
vApplicationSetupTimerInterrupt() generates the tick from timer A0, so in this
case configTICK_INTERRUPT_VECTOR is set to TIMER0_A0_VECTOR. */
void vApplicationSetupTimerInterrupt( void )
{
/* Ensure the timer is stopped. */
TA1CTL = 0;
const unsigned short usACLK_Frequency_Hz = 32768;
/* Run the timer from the ACLK/4. */
TA1CTL = TASSEL_1 | ID__4;
/* Ensure the timer is stopped. */
TA0CTL = 0;
/* Run the timer from the ACLK. */
TA0CTL = TASSEL_1;
/* Clear everything to start with. */
TA1CTL |= TACLR;
TA0CTL |= TACLR;
/* Set the compare match value according to the tick rate we want. */
TA0CCR0 = usACLK_Frequency_Hz / configTICK_RATE_HZ;
/* Enable the interrupts. */
TA1CCTL0 = CCIE;
TA0CCTL0 = CCIE;
/* Start up clean. */
TA1CTL |= TACLR;
TA0CTL |= TACLR;
/* Continuous mode. */
TA1CTL |= MC__CONTINOUS;
/* Up mode. */
TA0CTL |= MC_1;
}
/*-----------------------------------------------------------*/
#pragma vector=TIMER1_A0_VECTOR
static __interrupt void prvRunTimeStatsOverflowISR( void )
void vApplicationIdleHook( void )
{
ulStatsOverflowCount++;
/* Called on each iteration of the idle task. In this case the idle task
just enters a low(ish) power mode. */
__bis_SR_register( LPM1_bits + GIE );
}
/*-----------------------------------------------------------*/
inline unsigned long ulGetRunTimeStatsTime( void )
void vApplicationMallocFailedHook( void )
{
unsigned long ulReturn;
/* Called if a call to pvPortMalloc() fails because there is insufficient
free memory available in the FreeRTOS heap. pvPortMalloc() is called
internally by FreeRTOS API functions that create tasks, queues or
semaphores. */
taskDISABLE_INTERRUPTS();
for( ;; );
}
/*-----------------------------------------------------------*/
TA1CTL &= ~MC__CONTINOUS;
ulReturn = ( ( ulStatsOverflowCount << 16UL ) | ( unsigned long ) TA1R );
TA1CTL |= MC__CONTINOUS;
void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName )
{
( void ) pxTask;
( void ) pcTaskName;
return ulReturn;
/* Run time stack overflow checking is performed if
configconfigCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook
function is called if a stack overflow is detected. */
taskDISABLE_INTERRUPTS();
for( ;; );
}
/*-----------------------------------------------------------*/

27
Demo/MSP430X_MSP430F5438_IAR/serial.c
View File

@ -54,9 +54,11 @@
/* BASIC INTERRUPT DRIVEN SERIAL PORT DRIVER.
*
* This file only supports UART A0 in loopback mode, and has not been tested
* for real UART operation (only loopback mode) so is not guaranteed to have
* a correct baud rate configuration.
* This is not a proper UART driver. It only supports one port, uses loopback
* mode, and is used to test interrupts that use the FreeRTOS API as part of
* a wider test suite. Nor is it intended to show an efficient implementation
* of a UART interrupt service routine as queues are used to pass individual
* characters one at a time!
*/
/* Standard includes. */
@ -70,9 +72,6 @@
/* Demo application includes. */
#include "serial.h"
/* Constants required to setup the hardware. */
#define serTX_AND_RX ( ( unsigned portCHAR ) 0x03 )
/* Misc. constants. */
#define serNO_BLOCK ( ( portTickType ) 0 )
@ -123,9 +122,8 @@ unsigned portLONG ulBaudRateCount;
}
portEXIT_CRITICAL();
/* Unlike other ports, this serial code does not allow for more than one
com port. We therefore don't return a pointer to a port structure and can
instead just return NULL. */
/* Note the comments at the top of this file about this not being a generic
UART driver. */
return NULL;
}
/*-----------------------------------------------------------*/
@ -149,6 +147,9 @@ signed portBASE_TYPE xSerialPutChar( xComPortHandle pxPort, signed portCHAR cOut
{
signed portBASE_TYPE xReturn;
/* Send the next character to the queue of characters waiting transmission,
then enable the UART Tx interrupt, just in case UART transmission has already
completed and switched itself off. */
xReturn = xQueueSend( xCharsForTx, &cOutChar, xBlockTime );
UCA1IE |= UCTXIE;
@ -190,6 +191,14 @@ portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
}
__bic_SR_register_on_exit( SCG1 + SCG0 + OSCOFF + CPUOFF );
/* If writing to a queue caused a task to unblock, and the unblocked task
has a priority equal to or above the task that this interrupt interrupted,
then lHigherPriorityTaskWoken will have been set to pdTRUE internally within
xQueuesendFromISR(), and portEND_SWITCHING_ISR() will ensure that this
interrupt returns directly to the higher priority unblocked task.
THIS MUST BE THE LAST THING DONE IN THE ISR. */
portYIELD_FROM_ISR( xHigherPriorityTaskWoken );
}

12
Demo/MSP430X_MSP430F5438_IAR/settings/RTOSDemo.dbgdt
View File

@ -26,12 +26,12 @@
<PreferedWindows><Position>2</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows><MixedMode>1</MixedMode><CodeCovShow>1</CodeCovShow><InstrProfShow>1</InstrProfShow></Disassembly>
<Register><PreferedWindows><Position>2</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows></Register><Memory><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows><FindDirection>1</FindDirection><FindAsHex>0</FindAsHex></Memory><Watch><Format><struct_types/><watch_formats><Fmt><Key>{W}Watch-0:TA1CTL</Key><Value>4</Value></Fmt><Fmt><Key>{W}Watch-0:ulSP_PC_Combined</Key><Value>4</Value></Fmt></watch_formats></Format><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows><Column0>134</Column0><Column1>139</Column1><Column2>124</Column2><Column3>100</Column3></Watch><Breakpoints><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows><Window><Factory>Debug-Log</Factory></Window></Windows></PreferedWindows></Breakpoints><TASKVIEW><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows><Column0>200</Column0><Column1>100</Column1><Column2>100</Column2><Column3>100</Column3><Column4>100</Column4><Column5>100</Column5><Column6>100</Column6><Column7>150</Column7></TASKVIEW><TerminalIO><InputSource>1</InputSource><InputMode>10</InputMode><Filename>$PROJ_DIR$\TermIOInput.txt</Filename><InputEcho>1</InputEcho><ShowReset>0</ShowReset></TerminalIO><DeviceInformationWindow><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows><Column0>150</Column0><Column1>150</Column1></DeviceInformationWindow><StateStorageDialog><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows></StateStorageDialog><SequencerDialog><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows><SequencerMask>0</SequencerMask><Advanced>0</Advanced></SequencerDialog></Static>
<Register><PreferedWindows><Position>2</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows></Register><Memory><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows><FindDirection>1</FindDirection><FindAsHex>0</FindAsHex></Memory><Watch><Format><struct_types/><watch_formats><Fmt><Key>{W}Watch-0:TA1CTL</Key><Value>4</Value></Fmt><Fmt><Key>{W}Watch-0:ulSP_PC_Combined</Key><Value>4</Value></Fmt></watch_formats></Format><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows><Column0>134</Column0><Column1>139</Column1><Column2>124</Column2><Column3>100</Column3></Watch><Breakpoints><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows><Window><Factory>Debug-Log</Factory></Window></Windows></PreferedWindows></Breakpoints><TASKVIEW><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows><Column0>200</Column0><Column1>100</Column1><Column2>100</Column2><Column3>100</Column3><Column4>100</Column4><Column5>100</Column5><Column6>100</Column6><Column7>150</Column7></TASKVIEW><TerminalIO><InputSource>1</InputSource><InputMode>10</InputMode><Filename>$PROJ_DIR$\TermIOInput.txt</Filename><InputEcho>1</InputEcho><ShowReset>0</ShowReset></TerminalIO><DeviceInformationWindow><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows><Column0>150</Column0><Column1>150</Column1></DeviceInformationWindow><StateStorageDialog><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows></StateStorageDialog><SequencerDialog><PreferedWindows><Position>3</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows><SequencerMask>0</SequencerMask><Advanced>0</Advanced></SequencerDialog><CallStack><PreferedWindows><Position>1</Position><ScreenPosX>0</ScreenPosX><ScreenPosY>0</ScreenPosY><Windows/></PreferedWindows><ViewArgs>1</ViewArgs></CallStack></Static>
<Windows>
<Wnd1>
<Wnd0>
<Tabs>
<Tab>
<Identity>TabID-11539-27703</Identity>
@ -39,24 +39,24 @@
<Factory>Workspace</Factory>
<Session>
<NodeDict><ExpandedNode>RTOSDemo</ExpandedNode></NodeDict></Session>
<NodeDict><ExpandedNode>RTOSDemo</ExpandedNode><ExpandedNode>RTOSDemo/FreeRTOS_Source</ExpandedNode><ExpandedNode>RTOSDemo/FreeRTOS_Source/Portable</ExpandedNode></NodeDict></Session>
</Tab>
</Tabs>
<SelectedTab>0</SelectedTab></Wnd1><Wnd2><Tabs><Tab><Identity>TabID-12395-27916</Identity><TabName>Terminal I/O</TabName><Factory>TerminalIO</Factory><Session/></Tab></Tabs><SelectedTab>0</SelectedTab></Wnd2><Wnd4><Tabs><Tab><Identity>TabID-25408-8444</Identity><TabName>Tasks</TabName><Factory>TASKVIEW</Factory><Session/></Tab></Tabs><SelectedTab>0</SelectedTab></Wnd4></Windows>
<SelectedTab>0</SelectedTab></Wnd0><Wnd1><Tabs><Tab><Identity>TabID-12395-27916</Identity><TabName>Terminal I/O</TabName><Factory>TerminalIO</Factory><Session/></Tab></Tabs><SelectedTab>0</SelectedTab></Wnd1><Wnd3><Tabs><Tab><Identity>TabID-28694-31512</Identity><TabName>Debug Log</TabName><Factory>Debug-Log</Factory><Session/></Tab></Tabs><SelectedTab>0</SelectedTab></Wnd3></Windows>
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</Project>

14
Demo/MSP430X_MSP430F5438_IAR/settings/RTOSDemo.dni
View File

@ -1,5 +1,5 @@
[DebugChecksum]
Checksum=-802929519
Checksum=283457804
[DisAssemblyWindow]
NumStates=_ 1
State 1=_ 1
@ -14,7 +14,7 @@ Control Register=0
NextState0=0
NextState1=0
[Action Register]
Break=1
Break=6
State Storage=0
[Profiling]
Enabled=0
@ -28,6 +28,10 @@ UseTrigger=1
TriggerName=main
LimitSize=0
ByteLimit=50
[Log file]
LoggingEnabled=_ 0
LogFile=_ ""
Category=_ 0
[TermIOLog]
LoggingEnabled=_ 0
LogFile=_ ""
@ -35,13 +39,9 @@ LogFile=_ ""
Enabled=0
[DriverProfiling]
Enabled=0
Mode=303237632
Mode=123810376
Graph=0
Symbiont=0
[Log file]
LoggingEnabled=_ 0
LogFile=_ ""
Category=_ 0
[Breakpoints]
Count=0
[FET]

8
Demo/MSP430X_MSP430F5438_IAR/settings/RTOSDemo.wsdt
View File

@ -3,7 +3,7 @@
<Workspace>
<ConfigDictionary>
<CurrentConfigs><Project>RTOSDemo/Release</Project></CurrentConfigs></ConfigDictionary>
<CurrentConfigs><Project>RTOSDemo/Debug</Project></CurrentConfigs></ConfigDictionary>
<Desktop>
<Static>
<Workspace>
@ -33,7 +33,7 @@
<Factory>Workspace</Factory>
<Session>
<NodeDict><ExpandedNode>RTOSDemo</ExpandedNode><ExpandedNode>RTOSDemo/F5XX_6XX_Core_Lib</ExpandedNode><ExpandedNode>RTOSDemo/MSP-EXP430F5438_HAL</ExpandedNode><ExpandedNode>RTOSDemo/Output</ExpandedNode><ExpandedNode>RTOSDemo/UserExperienceDemo</ExpandedNode></NodeDict></Session>
<NodeDict><ExpandedNode>RTOSDemo</ExpandedNode><ExpandedNode>RTOSDemo/UserExperienceDemo</ExpandedNode></NodeDict></Session>
</Tab>
</Tabs>
@ -53,14 +53,14 @@
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