Pokitto Community Team / Pokitto_

PokittoLib with changes to lcd refresh etc.

Dependents:   Pokittris

Fork of Pokitto by Pokitto Community Team

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@11:02ad9c807a21, 2017-10-15 (annotated)

Committer:
spinal
Date:
Sun Oct 15 18:03:02 2017 +0000
Revision:
11:02ad9c807a21
Parent:
0:e8b8f36b4505 
fixed 4color refreshRegion code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 0:e8b8f36b4505 1 /**************************************************************************/
Pokitto 0:e8b8f36b4505 2 /*!
Pokitto 0:e8b8f36b4505 3 @file PokittoClock.cpp
Pokitto 0:e8b8f36b4505 4 @author Jonne Valola
Pokitto 0:e8b8f36b4505 5
Pokitto 0:e8b8f36b4505 6 @section LICENSE
Pokitto 0:e8b8f36b4505 7
Pokitto 0:e8b8f36b4505 8 Software License Agreement (BSD License)
Pokitto 0:e8b8f36b4505 9
Pokitto 0:e8b8f36b4505 10 Copyright (c) 2015, Jonne Valola
Pokitto 0:e8b8f36b4505 11 All rights reserved.
Pokitto 0:e8b8f36b4505 12
Pokitto 0:e8b8f36b4505 13 Redistribution and use in source and binary forms, with or without
Pokitto 0:e8b8f36b4505 14 modification, are permitted provided that the following conditions are met:
Pokitto 0:e8b8f36b4505 15 1. Redistributions of source code must retain the above copyright
Pokitto 0:e8b8f36b4505 16 notice, this list of conditions and the following disclaimer.
Pokitto 0:e8b8f36b4505 17 2. Redistributions in binary form must reproduce the above copyright
Pokitto 0:e8b8f36b4505 18 notice, this list of conditions and the following disclaimer in the
Pokitto 0:e8b8f36b4505 19 documentation and/or other materials provided with the distribution.
Pokitto 0:e8b8f36b4505 20 3. Neither the name of the copyright holders nor the
Pokitto 0:e8b8f36b4505 21 names of its contributors may be used to endorse or promote products
Pokitto 0:e8b8f36b4505 22 derived from this software without specific prior written permission.
Pokitto 0:e8b8f36b4505 23
Pokitto 0:e8b8f36b4505 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
Pokitto 0:e8b8f36b4505 25 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Pokitto 0:e8b8f36b4505 26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Pokitto 0:e8b8f36b4505 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
Pokitto 0:e8b8f36b4505 28 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Pokitto 0:e8b8f36b4505 29 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Pokitto 0:e8b8f36b4505 30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
Pokitto 0:e8b8f36b4505 31 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Pokitto 0:e8b8f36b4505 32 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Pokitto 0:e8b8f36b4505 33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Pokitto 0:e8b8f36b4505 34 */
Pokitto 0:e8b8f36b4505 35 /**************************************************************************/
Pokitto 0:e8b8f36b4505 36
Pokitto 0:e8b8f36b4505 37 #include "PokittoCore.h"
Pokitto 0:e8b8f36b4505 38 #include "pinmap.h"
Pokitto 0:e8b8f36b4505 39 #include "HWLCD.h"
Pokitto 0:e8b8f36b4505 40 #include "Pokitto_settings.h"
Pokitto 0:e8b8f36b4505 41 #include "wait_api.h"
Pokitto 0:e8b8f36b4505 42
Pokitto 0:e8b8f36b4505 43 uint32_t pt_count=0;
Pokitto 0:e8b8f36b4505 44 uint32_t* ptimer;
Pokitto 0:e8b8f36b4505 45
Pokitto 0:e8b8f36b4505 46 extern "C" {
Pokitto 0:e8b8f36b4505 47 void SysTick_Handler(void) {
Pokitto 0:e8b8f36b4505 48 //interrupt happens when systick has counted down to zero
Pokitto 0:e8b8f36b4505 49 #if PROJ_GAMEBOY > 0
Pokitto 0:e8b8f36b4505 50 uint32_t a;
Pokitto 0:e8b8f36b4505 51 a = *ptimer;
Pokitto 0:e8b8f36b4505 52 *ptimer = a + 1;
Pokitto 0:e8b8f36b4505 53 #endif
Pokitto 0:e8b8f36b4505 54 pt_count+=10; // increment counter
Pokitto 0:e8b8f36b4505 55 }}
Pokitto 0:e8b8f36b4505 56
Pokitto 0:e8b8f36b4505 57 using namespace Pokitto;
Pokitto 0:e8b8f36b4505 58
Pokitto 0:e8b8f36b4505 59 uint32_t Core::refreshtime;
Pokitto 0:e8b8f36b4505 60
Pokitto 0:e8b8f36b4505 61 void Core::initClock() {
Pokitto 0:e8b8f36b4505 62 // to get 1000 interrupts per second the reload value should be 48000
Pokitto 0:e8b8f36b4505 63 #if PROJ_GAMEBOY > 0
Pokitto 0:e8b8f36b4505 64 ptimer = &pt_count;
Pokitto 0:e8b8f36b4505 65 SysTick->LOAD = 480000-1;
Pokitto 0:e8b8f36b4505 66 #else
Pokitto 0:e8b8f36b4505 67 SysTick->LOAD = 480000-1;
Pokitto 0:e8b8f36b4505 68 #endif
Pokitto 0:e8b8f36b4505 69 SysTick->VAL = 0;
Pokitto 0:e8b8f36b4505 70 SysTick->CTRL = 4 | 2 | 1; //CLKSOURCE=CPU clock | TICKINT | ENABLE
Pokitto 0:e8b8f36b4505 71 pt_count = 0;
Pokitto 0:e8b8f36b4505 72 }
Pokitto 0:e8b8f36b4505 73
Pokitto 0:e8b8f36b4505 74 uint32_t Core::getTime() {
Pokitto 0:e8b8f36b4505 75 return pt_count;
Pokitto 0:e8b8f36b4505 76 }
Pokitto 0:e8b8f36b4505 77
Pokitto 0:e8b8f36b4505 78 void Core::wait(uint16_t ms) {
Pokitto 0:e8b8f36b4505 79 wait_ms(ms);
Pokitto 0:e8b8f36b4505 80 }
Pokitto 0:e8b8f36b4505 81