PokittoLib with changes to lcd refresh etc.
Fork of Pokitto by
This is a fork by user @Spinal, and is used in Pokittris for testing. Do not import this to your own program.
POKITTO_HW/PokittoClock.cpp
- Committer:
- spinal
- Date:
- 2017-10-15
- Revision:
- 11:02ad9c807a21
- Parent:
- 0:e8b8f36b4505
File content as of revision 11:02ad9c807a21:
/**************************************************************************/ /*! @file PokittoClock.cpp @author Jonne Valola @section LICENSE Software License Agreement (BSD License) Copyright (c) 2015, Jonne Valola All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of the copyright holders nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /**************************************************************************/ #include "PokittoCore.h" #include "pinmap.h" #include "HWLCD.h" #include "Pokitto_settings.h" #include "wait_api.h" uint32_t pt_count=0; uint32_t* ptimer; extern "C" { void SysTick_Handler(void) { //interrupt happens when systick has counted down to zero #if PROJ_GAMEBOY > 0 uint32_t a; a = *ptimer; *ptimer = a + 1; #endif pt_count+=10; // increment counter }} using namespace Pokitto; uint32_t Core::refreshtime; void Core::initClock() { // to get 1000 interrupts per second the reload value should be 48000 #if PROJ_GAMEBOY > 0 ptimer = &pt_count; SysTick->LOAD = 480000-1; #else SysTick->LOAD = 480000-1; #endif SysTick->VAL = 0; SysTick->CTRL = 4 | 2 | 1; //CLKSOURCE=CPU clock | TICKINT | ENABLE pt_count = 0; } uint32_t Core::getTime() { return pt_count; } void Core::wait(uint16_t ms) { wait_ms(ms); }