PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)
Dependents: YATTT sd_map_test cPong SnowDemo ... more
PokittoLib
Library for programming Pokitto hardware
How to Use
- Import this library to online compiler (see button "import" on the right hand side
- DO NOT import mbed-src anymore, a better version is now included inside PokittoLib
- Change My_settings.h according to your project
- Start coding!
Diff: POKITTO_HW/PokittoClock.cpp
- Revision:
- 0:e8b8f36b4505
diff -r 000000000000 -r e8b8f36b4505 POKITTO_HW/PokittoClock.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/POKITTO_HW/PokittoClock.cpp Mon Sep 18 11:47:51 2017 +0000 @@ -0,0 +1,81 @@ +/**************************************************************************/ +/*! + @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); +} +