HWButtons.cpp

00001 /**************************************************************************/
00002 /*!
00003     @file     HWButtons.cpp
00004     @author   Jonne Valola
00005 
00006     @section LICENSE
00007 
00008     Software License Agreement (BSD License)
00009 
00010     Copyright (c) 2016, Jonne Valola
00011     All rights reserved.
00012 
00013     Redistribution and use in source and binary forms, with or without
00014     modification, are permitted provided that the following conditions are met:
00015     1. Redistributions of source code must retain the above copyright
00016     notice, this list of conditions and the following disclaimer.
00017     2. Redistributions in binary form must reproduce the above copyright
00018     notice, this list of conditions and the following disclaimer in the
00019     documentation and/or other materials provided with the distribution.
00020     3. Neither the name of the copyright holders nor the
00021     names of its contributors may be used to endorse or promote products
00022     derived from this software without specific prior written permission.
00023 
00024     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
00025     EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00026     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00027     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
00028     DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00029     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00030     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00031     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00032     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00033     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00034 */
00035 /**************************************************************************/
00036 
00037 #include "HWButtons.h "
00038 #include "PokittoCore.h "
00039 #include "PokittoSound.h "
00040 #include "PokittoDisplay.h "
00041 
00042 Pokitto::Sound _s;
00043 Pokitto::Display _bd;
00044 
00045 using namespace mbed;
00046 
00047 InterruptIn ABtn(POK_BTN_A_PIN);
00048 InterruptIn BBtn(POK_BTN_B_PIN);
00049 InterruptIn CBtn(POK_BTN_C_PIN);
00050 InterruptIn UBtn(POK_BTN_UP_PIN);
00051 InterruptIn DBtn(POK_BTN_DOWN_PIN);
00052 InterruptIn LBtn(POK_BTN_LEFT_PIN);
00053 InterruptIn RBtn(POK_BTN_RIGHT_PIN);
00054 
00055 #define BS_IDLE 0
00056 #define BS_DOWN 1
00057 #define BS_UP 2
00058 
00059 uint8_t Pokitto::heldStates[NUM_BTN];
00060 bool vol_control_clicked=false;
00061 
00062 void APressed() {
00063     Pokitto::heldStates[BTN_A] = 1;
00064     }
00065 void AReleased() {
00066     Pokitto::heldStates[BTN_A] = 0;
00067     }
00068 void BPressed() { Pokitto::heldStates[BTN_B] = 1; }
00069 void BReleased() { Pokitto::heldStates[BTN_B] = 0; }
00070 void CPressed() {
00071     Pokitto::heldStates[BTN_C] = 1;
00072     }
00073 void CReleased() { Pokitto::heldStates[BTN_C] = 0; }
00074 void UPressed() { Pokitto::heldStates[BTN_UP] = 1; }
00075 void UReleased() { Pokitto::heldStates[BTN_UP] = 0; }
00076 void DPressed() { Pokitto::heldStates[BTN_DOWN] = 1; }
00077 void DReleased() { Pokitto::heldStates[BTN_DOWN] = 0; }
00078 void RPressed() {
00079     /* Hardware volume control */
00080     if (Pokitto::heldStates[BTN_C]) _s.volumeUp();
00081     else Pokitto::heldStates[BTN_RIGHT] = 1;
00082     }
00083 void RReleased() { Pokitto::heldStates[BTN_RIGHT] = 0; }
00084 void LPressed() {
00085     /* Hardware volume control */
00086     if (Pokitto::heldStates[BTN_C]) _s.volumeDown();
00087     else Pokitto::heldStates[BTN_LEFT] = 1;
00088     }
00089 void LReleased() { Pokitto::heldStates[BTN_LEFT] = 0; }
00090 
00091 static inline void ClearPinInt(LPC_PIN_INT_T *pPININT, uint32_t pins)
00092 {
00093     pPININT->IST = pins;
00094 }
00095 
00096 void PIN_INT0_IRQHandler(void)
00097 {
00098     //Pokitto::heldStates[BTN_A] = 1 - Pokitto::heldStates[BTN_A];
00099     //uint32_t  pins = ((LPC_PIN_INT_T*)LPC_PININT)->FALL;
00100     //if ((((LPC_PIN_INT_T*)LPC_PININT)->RISE)&(1<<0)) Pokitto::heldStates[BTN_A] = 1;
00101     //else if ((((LPC_PIN_INT_T*)LPC_PININT)->FALL)&(1<<0)) Pokitto::heldStates[BTN_A] = 0;
00102     Pokitto::heldStates[BTN_A]=ABtn.read();
00103     ClearPinInt((LPC_PIN_INT_T *)LPC_PININT, PININTCH(0));
00104 }
00105 
00106 void PIN_INT1_IRQHandler(void)
00107 {
00108     //if ((((LPC_PIN_INT_T*)LPC_PININT)->RISE)&(1<<1)) Pokitto::heldStates[BTN_B] = 1;
00109     //else if ((((LPC_PIN_INT_T*)LPC_PININT)->FALL)&(1<<1)) Pokitto::heldStates[BTN_B] = 0;
00110     Pokitto::heldStates[BTN_B]=BBtn.read();
00111     ClearPinInt((LPC_PIN_INT_T *)LPC_PININT, PININTCH(1));
00112 }
00113 
00114 void PIN_INT2_IRQHandler(void)
00115 {
00116     //if ((((LPC_PIN_INT_T*)LPC_PININT)->RISE)&(1<<2)) Pokitto::heldStates[BTN_C] = 1;
00117     //else if ((((LPC_PIN_INT_T*)LPC_PININT)->FALL)&(1<<2)) Pokitto::heldStates[BTN_C] = 0;
00118     Pokitto::heldStates[BTN_C]=CBtn.read();
00119     ClearPinInt((LPC_PIN_INT_T *)LPC_PININT, PININTCH(2));
00120 }
00121 
00122 void PIN_INT3_IRQHandler(void)
00123 {
00124     //if ((((LPC_PIN_INT_T*)LPC_PININT)->RISE)&(1<<3)) Pokitto::heldStates[BTN_UP] = 1;
00125     //else if ((((LPC_PIN_INT_T*)LPC_PININT)->FALL)&(1<<3)) Pokitto::heldStates[BTN_UP] = 0;
00126     Pokitto::heldStates[BTN_UP]=UBtn.read();
00127     ClearPinInt((LPC_PIN_INT_T *)LPC_PININT, PININTCH(3));
00128 }
00129 
00130 void PIN_INT4_IRQHandler(void)
00131 {
00132     //if ((((LPC_PIN_INT_T*)LPC_PININT)->RISE)&(1<<4)) Pokitto::heldStates[BTN_DOWN] = 1;
00133     //else if ((((LPC_PIN_INT_T*)LPC_PININT)->FALL)&(1<<4)) Pokitto::heldStates[BTN_DOWN] = 0;
00134     Pokitto::heldStates[BTN_DOWN]=DBtn.read();
00135     ClearPinInt((LPC_PIN_INT_T *)LPC_PININT, PININTCH(4));
00136 }
00137 
00138 void PIN_INT5_IRQHandler(void)
00139 {
00140     /* Hardware volume control */
00141     //if ((((LPC_PIN_INT_T*)LPC_PININT)->RISE)&(1<<5)) Pokitto::heldStates[BTN_LEFT] = 1;
00142     //else if ((((LPC_PIN_INT_T*)LPC_PININT)->FALL)&(1<<5)) Pokitto::heldStates[BTN_LEFT] = 0;
00143     Pokitto::heldStates[BTN_C]=CBtn.read();
00144     Pokitto::heldStates[BTN_LEFT]=LBtn.read();
00145     if (Pokitto::heldStates[BTN_C] && Pokitto::heldStates[BTN_LEFT])
00146     {
00147         if (!vol_control_clicked) _s.volumeDown();
00148         Pokitto::heldStates[BTN_LEFT]=0; //do not do normal button operation
00149         vol_control_clicked=true;
00150     } else vol_control_clicked=false;
00151 
00152     ClearPinInt((LPC_PIN_INT_T *)LPC_PININT, PININTCH(5));
00153 }
00154 
00155 void PIN_INT6_IRQHandler(void)
00156 {
00157     /* Hardware volume control */
00158     //if ((((LPC_PIN_INT_T*)LPC_PININT)->RISE)&(1<<6)) Pokitto::heldStates[BTN_RIGHT] = 1;
00159     //else if ((((LPC_PIN_INT_T*)LPC_PININT)->FALL)&(1<<6)) Pokitto::heldStates[BTN_RIGHT] = 0;
00160     Pokitto::heldStates[BTN_C]=CBtn.read();
00161     Pokitto::heldStates[BTN_RIGHT]=RBtn.read();
00162     if (Pokitto::heldStates[BTN_C] && Pokitto::heldStates[BTN_RIGHT])
00163     {
00164         if (!vol_control_clicked) _s.volumeUp();
00165         Pokitto::heldStates[BTN_RIGHT]=0; //do not do normal button operation
00166         vol_control_clicked=true;
00167     } else vol_control_clicked=false;
00168 
00169     ClearPinInt((LPC_PIN_INT_T *)LPC_PININT, PININTCH(6));
00170 }
00171 
00172 
00173 void Pokitto::initButtons() {
00174   ABtn.fall(&AReleased);
00175   ABtn.rise(&APressed);
00176   BBtn.fall(&BReleased);
00177   BBtn.rise(&BPressed);
00178   CBtn.fall(&CReleased);
00179   CBtn.rise(&CPressed);
00180   UBtn.fall(&UReleased);
00181   UBtn.rise(&UPressed);
00182   DBtn.fall(&DReleased);
00183   DBtn.rise(&DPressed);
00184   LBtn.fall(&LReleased);
00185   LBtn.rise(&LPressed);
00186   RBtn.fall(&RReleased);
00187   RBtn.rise(&RPressed);
00188   NVIC_SetVector((IRQn_Type)(PIN_INT0_IRQn), (uint32_t)&PIN_INT0_IRQHandler);
00189   NVIC_SetVector((IRQn_Type)(PIN_INT1_IRQn), (uint32_t)&PIN_INT1_IRQHandler);
00190   NVIC_SetVector((IRQn_Type)(PIN_INT2_IRQn), (uint32_t)&PIN_INT2_IRQHandler);
00191   NVIC_SetVector((IRQn_Type)(PIN_INT3_IRQn), (uint32_t)&PIN_INT3_IRQHandler);
00192   NVIC_SetVector((IRQn_Type)(PIN_INT4_IRQn), (uint32_t)&PIN_INT4_IRQHandler);
00193   NVIC_SetVector((IRQn_Type)(PIN_INT5_IRQn), (uint32_t)&PIN_INT5_IRQHandler);
00194   NVIC_SetVector((IRQn_Type)(PIN_INT6_IRQn), (uint32_t)&PIN_INT6_IRQHandler);
00195 }
00196 
00197 uint8_t Pokitto::Core::aBtn() {
00198     return Pokitto::heldStates[BTN_A];
00199 }
00200 
00201 uint8_t Pokitto::Core::bBtn() {
00202     return Pokitto::heldStates[BTN_B];
00203 }
00204 
00205 uint8_t Pokitto::Core::cBtn() {
00206     return Pokitto::heldStates[BTN_C];
00207 }
00208 
00209 uint8_t Pokitto::Core::upBtn() {
00210     return Pokitto::heldStates[BTN_UP];
00211 }
00212 uint8_t Pokitto::Core::downBtn() {
00213     return Pokitto::heldStates[BTN_DOWN];
00214 }
00215 
00216 uint8_t Pokitto::Core::leftBtn() {
00217     return Pokitto::heldStates[BTN_LEFT];
00218 }
00219 uint8_t Pokitto::Core::rightBtn() {
00220     return Pokitto::heldStates[BTN_RIGHT];
00221 }
00222