/* FreeRTOS V9.0.0rc1 - Copyright (C) 2016 Real Time Engineers Ltd. All rights reserved VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. 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 modification 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. Full license text is available on the following link: http://www.freertos.org/a00114.html *************************************************************************** * * * FreeRTOS provides completely free yet professionally developed, * * robust, strictly quality controlled, supported, and cross * * platform software that is more than just the market leader, it * * is the industry's de facto standard. * * * * Help yourself get started quickly while simultaneously helping * * to support the FreeRTOS project by purchasing a FreeRTOS * * tutorial book, reference manual, or both: * * http://www.FreeRTOS.org/Documentation * * * *************************************************************************** http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading the FAQ page "My application does not run, what could be wrong?". Have you defined configASSERT()? http://www.FreeRTOS.org/support - In return for receiving this top quality embedded software for free we request you assist our global community by participating in the support forum. http://www.FreeRTOS.org/training - Investing in training allows your team to be as productive as possible as early as possible. Now you can receive FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers Ltd, and the world's leading authority on the world's leading RTOS. http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, including FreeRTOS+Trace - an indispensable productivity tool, a DOS compatible FAT file system, and our tiny thread aware UDP/IP stack. http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate. Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS. http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS licenses offer ticketed support, indemnification and commercial middleware. http://www.SafeRTOS.com - High Integrity Systems also provide a safety engineered and independently SIL3 certified version for use in safety and mission critical applications that require provable dependability. 1 tab == 4 spaces! */ /****************************************************************************** * This project provides two demo applications. A simple blinky style project, * and a more comprehensive test and demo application. The * mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting (defined in this file) is used to * select between the two. The simply blinky demo is implemented and described * in main_blinky.c. The more comprehensive test and demo application is * implemented and described in main_full.c. * * This file implements the code that is not demo specific, including the * hardware setup and standard FreeRTOS hook functions. * * ENSURE TO READ THE DOCUMENTATION PAGE FOR THIS PORT AND DEMO APPLICATION ON * THE http://www.FreeRTOS.org WEB SITE FOR FULL INFORMATION ON USING THIS DEMO * APPLICATION, AND ITS ASSOCIATE FreeRTOS ARCHITECTURE PORT! * */ /* Scheduler include files. */ #include "FreeRTOS.h" #include "task.h" #include "semphr.h" /* Standard demo includes, used so the tick hook can exercise some FreeRTOS functionality in an interrupt. */ #include "EventGroupsDemo.h" #include "TaskNotify.h" #include "ParTest.h" /* LEDs - a historic name for "Parallel Port". */ /* TI includes. */ #include "driverlib.h" /* Set mainCREATE_SIMPLE_BLINKY_DEMO_ONLY to one to run the simple blinky demo, or 0 to run the more comprehensive test and demo application. */ #define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 0 /*-----------------------------------------------------------*/ /* * Configure the hardware as necessary to run this demo. */ static void prvSetupHardware( void ); /* * main_blinky() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1. * main_full() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0. */ #if( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 ) extern void main_blinky( void ); #else extern void main_full( void ); #endif /* #if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 */ /* Prototypes for the standard FreeRTOS callback/hook functions implemented within this file. */ void vApplicationMallocFailedHook( void ); void vApplicationIdleHook( void ); void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName ); void vApplicationTickHook( void ); /* The heap is allocated here so the "persistent" qualifier can be used. This requires configAPPLICATION_ALLOCATED_HEAP to be set to 1 in FreeRTOSConfig.h. See http://www.freertos.org/a00111.html for more information. */ #ifdef __ICC430__ __persistent /* IAR version. */ #else #pragma PERSISTENT( ucHeap ) /* CCS version. */ #endif uint8_t ucHeap[ configTOTAL_HEAP_SIZE ] = { 0 }; /*-----------------------------------------------------------*/ int main( void ) { /* See http://www.FreeRTOS.org/MSP430FR5969_Free_RTOS_Demo.html */ /* Configure the hardware ready to run the demo. */ prvSetupHardware(); /* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top of this file. */ #if( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 ) { main_blinky(); } #else { main_full(); } #endif return 0; } /*-----------------------------------------------------------*/ void vApplicationMallocFailedHook( void ) { /* 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, software timers, and semaphores. The size of the FreeRTOS heap is set by the configTOTAL_HEAP_SIZE configuration constant in FreeRTOSConfig.h. */ /* Force an assert. */ configASSERT( ( volatile void * ) NULL ); } /*-----------------------------------------------------------*/ void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName ) { ( void ) pcTaskName; ( void ) pxTask; /* Run time stack overflow checking is performed if configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook function is called if a stack overflow is detected. See http://www.freertos.org/Stacks-and-stack-overflow-checking.html */ /* Force an assert. */ configASSERT( ( volatile void * ) NULL ); } /*-----------------------------------------------------------*/ void vApplicationIdleHook( void ) { __bis_SR_register( LPM4_bits + GIE ); __no_operation(); } /*-----------------------------------------------------------*/ void vApplicationTickHook( void ) { #if( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 0 ) { /* Call the periodic event group from ISR demo. */ vPeriodicEventGroupsProcessing(); /* Call the code that 'gives' a task notification from an ISR. */ xNotifyTaskFromISR(); } #endif } /*-----------------------------------------------------------*/ /* The MSP430X port uses this callback function to configure its tick interrupt. This allows the application to choose the tick interrupt source. configTICK_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_VECTOR is set to TIMER0_A0_VECTOR. */ 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; } /*-----------------------------------------------------------*/ static void prvSetupHardware( void ) { /* Stop Watchdog timer. */ WDT_A_hold( __MSP430_BASEADDRESS_WDT_A__ ); /* Set all GPIO pins to output and low. */ GPIO_setOutputLowOnPin( GPIO_PORT_P1, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 ); GPIO_setOutputLowOnPin( GPIO_PORT_P2, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 ); GPIO_setOutputLowOnPin( GPIO_PORT_P3, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 ); GPIO_setOutputLowOnPin( GPIO_PORT_P4, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 ); GPIO_setOutputLowOnPin( GPIO_PORT_PJ, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15 ); GPIO_setAsOutputPin( GPIO_PORT_P1, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 ); GPIO_setAsOutputPin( GPIO_PORT_P2, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 ); GPIO_setAsOutputPin( GPIO_PORT_P3, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 ); GPIO_setAsOutputPin( GPIO_PORT_P4, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 ); GPIO_setAsOutputPin( GPIO_PORT_PJ, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15 ); /* Configure P2.0 - UCA0TXD and P2.1 - UCA0RXD. */ GPIO_setOutputLowOnPin( GPIO_PORT_P2, GPIO_PIN0 ); GPIO_setAsOutputPin( GPIO_PORT_P2, GPIO_PIN0 ); GPIO_setAsPeripheralModuleFunctionInputPin( GPIO_PORT_P2, GPIO_PIN1, GPIO_SECONDARY_MODULE_FUNCTION ); GPIO_setAsPeripheralModuleFunctionOutputPin( GPIO_PORT_P2, GPIO_PIN0, GPIO_SECONDARY_MODULE_FUNCTION ); /* Set PJ.4 and PJ.5 for LFXT. */ GPIO_setAsPeripheralModuleFunctionInputPin( GPIO_PORT_PJ, GPIO_PIN4 + GPIO_PIN5, GPIO_PRIMARY_MODULE_FUNCTION ); /* Set DCO frequency to 8 MHz. */ CS_setDCOFreq( CS_DCORSEL_0, CS_DCOFSEL_6 ); /* Set external clock frequency to 32.768 KHz. */ CS_setExternalClockSource( 32768, 0 ); /* Set ACLK = LFXT. */ CS_initClockSignal( CS_ACLK, CS_LFXTCLK_SELECT, CS_CLOCK_DIVIDER_1 ); /* Set SMCLK = DCO with frequency divider of 1. */ CS_initClockSignal( CS_SMCLK, CS_DCOCLK_SELECT, CS_CLOCK_DIVIDER_1 ); /* Set MCLK = DCO with frequency divider of 1. */ CS_initClockSignal( CS_MCLK, CS_DCOCLK_SELECT, CS_CLOCK_DIVIDER_1 ); /* Start XT1 with no time out. */ CS_turnOnLFXT( CS_LFXT_DRIVE_0 ); /* Disable the GPIO power-on default high-impedance mode. */ PMM_unlockLPM5(); } /*-----------------------------------------------------------*/ int _system_pre_init( void ) { /* Stop Watchdog timer. */ WDT_A_hold( __MSP430_BASEADDRESS_WDT_A__ ); /* Return 1 for segments to be initialised. */ return 1; }