/* | |
FreeRTOS V9.0.1 - Copyright (C) 2017 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 file implements functions to access and manipulate the PIC32 hardware | |
* without reliance on third party library functions that may be liable to | |
* change. | |
*/ | |
/* FreeRTOS includes. */ | |
#include "FreeRTOS.h" | |
/* Demo includes. */ | |
#include "ConfigPerformance.h" | |
#define hwUNLOCK_KEY_0 ( 0xAA996655UL ) | |
#define hwUNLOCK_KEY_1 ( 0x556699AAUL ) | |
/*-----------------------------------------------------------*/ | |
void vHardwareConfigurePerformance( void ) | |
{ | |
/* set PBCLK2 to deliver 40Mhz clock for PMP/I2C/UART/SPI. */ | |
SYSKEY = hwUNLOCK_KEY_0; | |
SYSKEY = hwUNLOCK_KEY_1; | |
/* 200MHz / 5 = 40MHz */ | |
PB2DIVbits.PBDIV = 0b100; | |
/* Timers use clock PBCLK3, set this to 40MHz. */ | |
PB3DIVbits.PBDIV = 0b100; | |
/* Ports use PBCLK4. */ | |
PB4DIVbits.PBDIV = 0b000; | |
SYSKEY = 0; | |
/* Disable interrupts - note taskDISABLE_INTERRUPTS() cannot be used here as | |
FreeRTOS does not globally disable interrupt. */ | |
__builtin_disable_interrupts(); | |
} | |
/*-----------------------------------------------------------*/ | |
void vHardwareUseMultiVectoredInterrupts( void ) | |
{ | |
/* Enable multi-vector interrupts. */ | |
_CP0_BIS_CAUSE( 0x00800000U ); | |
INTCONSET = _INTCON_MVEC_MASK; | |
__builtin_enable_interrupts(); | |
} | |