PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)
POKITTO_HW/HWSound.cpp@35:4f7edccf8ed6, 2018-04-02 (annotated)
- Committer:
- Pokitto
- Date:
- Mon Apr 02 22:37:04 2018 +0000
- Revision:
- 35:4f7edccf8ed6
- Parent:
- 34:427237571c6a
All changes synced with Github repo (mode 13, mode 15 etc.)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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Pokitto | 31:f4b9b85c7b62 | 1 | /**************************************************************************/ |
Pokitto | 31:f4b9b85c7b62 | 2 | /*! |
Pokitto | 31:f4b9b85c7b62 | 3 | @file HWSound.cpp |
Pokitto | 31:f4b9b85c7b62 | 4 | @author Jonne Valola |
Pokitto | 31:f4b9b85c7b62 | 5 | |
Pokitto | 31:f4b9b85c7b62 | 6 | @section LICENSE |
Pokitto | 31:f4b9b85c7b62 | 7 | |
Pokitto | 31:f4b9b85c7b62 | 8 | Software License Agreement (BSD License) |
Pokitto | 31:f4b9b85c7b62 | 9 | |
Pokitto | 31:f4b9b85c7b62 | 10 | Copyright (c) 2016, Jonne Valola |
Pokitto | 31:f4b9b85c7b62 | 11 | All rights reserved. |
Pokitto | 31:f4b9b85c7b62 | 12 | |
Pokitto | 31:f4b9b85c7b62 | 13 | Redistribution and use in source and binary forms, with or without |
Pokitto | 31:f4b9b85c7b62 | 14 | modification, are permitted provided that the following conditions are met: |
Pokitto | 31:f4b9b85c7b62 | 15 | 1. Redistributions of source code must retain the above copyright |
Pokitto | 31:f4b9b85c7b62 | 16 | notice, this list of conditions and the following disclaimer. |
Pokitto | 31:f4b9b85c7b62 | 17 | 2. Redistributions in binary form must reproduce the above copyright |
Pokitto | 31:f4b9b85c7b62 | 18 | notice, this list of conditions and the following disclaimer in the |
Pokitto | 31:f4b9b85c7b62 | 19 | documentation and/or other materials provided with the distribution. |
Pokitto | 31:f4b9b85c7b62 | 20 | 3. Neither the name of the copyright holders nor the |
Pokitto | 31:f4b9b85c7b62 | 21 | names of its contributors may be used to endorse or promote products |
Pokitto | 31:f4b9b85c7b62 | 22 | derived from this software without specific prior written permission. |
Pokitto | 31:f4b9b85c7b62 | 23 | |
Pokitto | 31:f4b9b85c7b62 | 24 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY |
Pokitto | 31:f4b9b85c7b62 | 25 | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
Pokitto | 31:f4b9b85c7b62 | 26 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
Pokitto | 31:f4b9b85c7b62 | 27 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY |
Pokitto | 31:f4b9b85c7b62 | 28 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
Pokitto | 31:f4b9b85c7b62 | 29 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
Pokitto | 31:f4b9b85c7b62 | 30 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
Pokitto | 31:f4b9b85c7b62 | 31 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
Pokitto | 31:f4b9b85c7b62 | 32 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
Pokitto | 31:f4b9b85c7b62 | 33 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Pokitto | 31:f4b9b85c7b62 | 34 | */ |
Pokitto | 31:f4b9b85c7b62 | 35 | /**************************************************************************/ |
Pokitto | 31:f4b9b85c7b62 | 36 | |
Pokitto | 31:f4b9b85c7b62 | 37 | #include "mbed.h" |
Pokitto | 31:f4b9b85c7b62 | 38 | #include "HWSound.h" |
Pokitto | 31:f4b9b85c7b62 | 39 | //#include "MCP4018.h" |
Pokitto | 31:f4b9b85c7b62 | 40 | #include "SoftwareI2C.h" |
Pokitto | 31:f4b9b85c7b62 | 41 | #include "Pokitto_settings.h" |
Pokitto | 31:f4b9b85c7b62 | 42 | #include "PokittoDisk.h" |
Pokitto | 31:f4b9b85c7b62 | 43 | #include "PokittoGlobs.h" |
Pokitto | 31:f4b9b85c7b62 | 44 | #include "Synth.h" |
Pokitto | 31:f4b9b85c7b62 | 45 | #include "timer_11u6x.h" |
Pokitto | 31:f4b9b85c7b62 | 46 | #include "clock_11u6x.h" |
Pokitto | 35:4f7edccf8ed6 | 47 | #include "HWLCD.h" |
Pokitto | 31:f4b9b85c7b62 | 48 | //#include "beat_11025.h" |
Pokitto | 31:f4b9b85c7b62 | 49 | |
Pokitto | 31:f4b9b85c7b62 | 50 | |
Pokitto | 35:4f7edccf8ed6 | 51 | Pokitto::Sound __shw; |
Pokitto | 31:f4b9b85c7b62 | 52 | |
Pokitto | 31:f4b9b85c7b62 | 53 | using namespace Pokitto; |
Pokitto | 31:f4b9b85c7b62 | 54 | |
Pokitto | 31:f4b9b85c7b62 | 55 | #ifndef POK_SIM |
Pokitto | 35:4f7edccf8ed6 | 56 | #if POK_ENABLE_SOUND |
Pokitto | 31:f4b9b85c7b62 | 57 | pwmout_t* obj = &audiopwm; |
Pokitto | 31:f4b9b85c7b62 | 58 | #endif |
Pokitto | 33:7d20a1e51908 | 59 | #endif |
Pokitto | 31:f4b9b85c7b62 | 60 | |
Pokitto | 31:f4b9b85c7b62 | 61 | /** Sound Variables **/ |
Pokitto | 31:f4b9b85c7b62 | 62 | #if (POK_STREAMING_MUSIC > 0) |
Pokitto | 31:f4b9b85c7b62 | 63 | unsigned char buffers[4][BUFFER_SIZE]; |
Pokitto | 31:f4b9b85c7b62 | 64 | volatile int currentBuffer = 0, oldBuffer = 0; |
Pokitto | 31:f4b9b85c7b62 | 65 | volatile int bufindex = 0, vol=1; |
Pokitto | 31:f4b9b85c7b62 | 66 | volatile unsigned char * currentPtr; |
Pokitto | 31:f4b9b85c7b62 | 67 | volatile unsigned char * endPtr; |
Pokitto | 31:f4b9b85c7b62 | 68 | int8_t streamvol=3; |
Pokitto | 31:f4b9b85c7b62 | 69 | uint32_t streamcounter=0; |
Pokitto | 31:f4b9b85c7b62 | 70 | uint8_t streamstep=0; |
Pokitto | 31:f4b9b85c7b62 | 71 | #endif |
Pokitto | 31:f4b9b85c7b62 | 72 | |
Pokitto | 31:f4b9b85c7b62 | 73 | #if POK_ENABLE_SOUND > 0 |
Pokitto | 31:f4b9b85c7b62 | 74 | pwmout_t Pokitto::audiopwm; // this way (instead of PwmOut class) pwm doesn't start screaming until it is initialized ! |
Pokitto | 31:f4b9b85c7b62 | 75 | //Ticker Pokitto::audio; |
Pokitto | 31:f4b9b85c7b62 | 76 | |
Pokitto | 31:f4b9b85c7b62 | 77 | using namespace Pokitto; |
Pokitto | 31:f4b9b85c7b62 | 78 | |
Pokitto | 31:f4b9b85c7b62 | 79 | /** stream output and status */ |
Pokitto | 31:f4b9b85c7b62 | 80 | uint8_t Pokitto::streambyte,Pokitto::streamon; |
Pokitto | 31:f4b9b85c7b62 | 81 | |
Pokitto | 35:4f7edccf8ed6 | 82 | uint8_t soundbuf[SBUFSIZE]; |
Pokitto | 35:4f7edccf8ed6 | 83 | uint8_t Pokitto::HWvolume=0; |
Pokitto | 35:4f7edccf8ed6 | 84 | uint16_t soundbufindex; |
Pokitto | 35:4f7edccf8ed6 | 85 | uint8_t* soundbufptr; |
Pokitto | 35:4f7edccf8ed6 | 86 | |
Pokitto | 31:f4b9b85c7b62 | 87 | bool volpotError=false; //test for broken MCP4018 |
Pokitto | 31:f4b9b85c7b62 | 88 | |
Pokitto | 31:f4b9b85c7b62 | 89 | uint16_t soundbyte; |
Pokitto | 31:f4b9b85c7b62 | 90 | |
Pokitto | 31:f4b9b85c7b62 | 91 | |
Pokitto | 31:f4b9b85c7b62 | 92 | #if POK_USE_DAC > 0 |
Pokitto | 31:f4b9b85c7b62 | 93 | #if POK_BOARDREV == 1 |
Pokitto | 31:f4b9b85c7b62 | 94 | /** 2-layer board rev 1.3 **/ |
Pokitto | 31:f4b9b85c7b62 | 95 | DigitalOut dac0(P1_6); |
Pokitto | 31:f4b9b85c7b62 | 96 | DigitalOut dac1(P1_0); |
Pokitto | 31:f4b9b85c7b62 | 97 | DigitalOut dac2(P1_16); |
Pokitto | 31:f4b9b85c7b62 | 98 | DigitalOut dac3(P0_19); |
Pokitto | 31:f4b9b85c7b62 | 99 | DigitalOut dac4(P0_17); |
Pokitto | 31:f4b9b85c7b62 | 100 | DigitalOut dac5(P1_12); |
Pokitto | 31:f4b9b85c7b62 | 101 | DigitalOut dac6(P1_15); |
Pokitto | 31:f4b9b85c7b62 | 102 | DigitalOut dac7(P1_8); |
Pokitto | 31:f4b9b85c7b62 | 103 | #else |
Pokitto | 31:f4b9b85c7b62 | 104 | /** 4-layer board rev 2.1 **/ |
Pokitto | 31:f4b9b85c7b62 | 105 | DigitalOut dac0(P1_28); |
Pokitto | 31:f4b9b85c7b62 | 106 | DigitalOut dac1(P1_29); |
Pokitto | 31:f4b9b85c7b62 | 107 | DigitalOut dac2(P1_30); |
Pokitto | 31:f4b9b85c7b62 | 108 | DigitalOut dac3(P1_31); |
Pokitto | 31:f4b9b85c7b62 | 109 | /* has daniel made a mistake ?*/ |
Pokitto | 31:f4b9b85c7b62 | 110 | DigitalOut dac4(P2_20); |
Pokitto | 31:f4b9b85c7b62 | 111 | DigitalOut dac5(P2_21); |
Pokitto | 31:f4b9b85c7b62 | 112 | DigitalOut dac6(P2_22); |
Pokitto | 31:f4b9b85c7b62 | 113 | DigitalOut dac7(P2_23); |
Pokitto | 31:f4b9b85c7b62 | 114 | |
Pokitto | 31:f4b9b85c7b62 | 115 | DigitalOut amp(P1_17); |
Pokitto | 31:f4b9b85c7b62 | 116 | |
Pokitto | 31:f4b9b85c7b62 | 117 | #endif // POK_BOARDREV |
Pokitto | 31:f4b9b85c7b62 | 118 | #endif // POK_USE_DAC |
Pokitto | 31:f4b9b85c7b62 | 119 | |
Pokitto | 31:f4b9b85c7b62 | 120 | #if POK_BOARDREV == 2 |
Pokitto | 31:f4b9b85c7b62 | 121 | //MCP4018 volpot(P0_5,P0_4); |
Pokitto | 31:f4b9b85c7b62 | 122 | |
Pokitto | 31:f4b9b85c7b62 | 123 | /** |
Pokitto | 31:f4b9b85c7b62 | 124 | * @brief Handle interrupt from 32-bit timer 0 |
Pokitto | 31:f4b9b85c7b62 | 125 | * @return Nothing |
Pokitto | 31:f4b9b85c7b62 | 126 | */ |
Pokitto | 31:f4b9b85c7b62 | 127 | |
Pokitto | 31:f4b9b85c7b62 | 128 | uint32_t p=0; |
Pokitto | 35:4f7edccf8ed6 | 129 | uint8_t pixx=0, pixy=0; |
Pokitto | 31:f4b9b85c7b62 | 130 | |
Pokitto | 31:f4b9b85c7b62 | 131 | extern "C" void TIMER32_0_IRQHandler(void) |
Pokitto | 31:f4b9b85c7b62 | 132 | { |
Pokitto | 31:f4b9b85c7b62 | 133 | if (Chip_TIMER_MatchPending(LPC_TIMER32_0, 1)) { |
Pokitto | 31:f4b9b85c7b62 | 134 | Chip_TIMER_ClearMatch(LPC_TIMER32_0, 1); |
Pokitto | 31:f4b9b85c7b62 | 135 | //pokSoundBufferedIRQ(); |
Pokitto | 32:6d5a63b6d5b6 | 136 | #if POK_GBSOUND > 0 |
Pokitto | 32:6d5a63b6d5b6 | 137 | /** GAMEBUINO SOUND **/ |
Pokitto | 32:6d5a63b6d5b6 | 138 | Pokitto::audio_IRQ(); |
Pokitto | 32:6d5a63b6d5b6 | 139 | #else |
Pokitto | 32:6d5a63b6d5b6 | 140 | /** NOT GAMEBUINO SOUND **/ |
Pokitto | 35:4f7edccf8ed6 | 141 | #if POK_SOUND_BUFFERED |
Pokitto | 35:4f7edccf8ed6 | 142 | pokSoundBufferedIRQ(); |
Pokitto | 35:4f7edccf8ed6 | 143 | #else |
Pokitto | 35:4f7edccf8ed6 | 144 | pokSoundIRQ(); |
Pokitto | 35:4f7edccf8ed6 | 145 | #endif |
Pokitto | 32:6d5a63b6d5b6 | 146 | #endif |
Pokitto | 31:f4b9b85c7b62 | 147 | } |
Pokitto | 31:f4b9b85c7b62 | 148 | } |
Pokitto | 31:f4b9b85c7b62 | 149 | |
Pokitto | 31:f4b9b85c7b62 | 150 | |
Pokitto | 31:f4b9b85c7b62 | 151 | void initHWvolumecontrol() { |
Pokitto | 31:f4b9b85c7b62 | 152 | HWvolume=0; |
Pokitto | 31:f4b9b85c7b62 | 153 | volpotError=true; |
Pokitto | 31:f4b9b85c7b62 | 154 | //if (volpot.put(HWvolume)) volpotError=true; //try if MCP4018 answers |
Pokitto | 31:f4b9b85c7b62 | 155 | setHWvolume(VOLUME_STARTUP); |
Pokitto | 31:f4b9b85c7b62 | 156 | } |
Pokitto | 31:f4b9b85c7b62 | 157 | |
Pokitto | 31:f4b9b85c7b62 | 158 | int Pokitto::setHWvolume(uint8_t v) { |
Pokitto | 31:f4b9b85c7b62 | 159 | HWvolume = 0x7F&v; |
Pokitto | 31:f4b9b85c7b62 | 160 | //if (!volpotError) return volpot.put(HWvolume); //use normal I2C |
Pokitto | 31:f4b9b85c7b62 | 161 | /* fallback method for broken MCP4018 */ |
Pokitto | 31:f4b9b85c7b62 | 162 | SoftwareI2C swvolpot(P0_4, P0_5); //swapped SDA,SCL |
Pokitto | 31:f4b9b85c7b62 | 163 | swvolpot.write(0x5e,HWvolume); |
Pokitto | 31:f4b9b85c7b62 | 164 | return HWvolume; |
Pokitto | 31:f4b9b85c7b62 | 165 | } |
Pokitto | 31:f4b9b85c7b62 | 166 | |
Pokitto | 31:f4b9b85c7b62 | 167 | uint8_t Pokitto::getHWvolume() { |
Pokitto | 31:f4b9b85c7b62 | 168 | return HWvolume; |
Pokitto | 31:f4b9b85c7b62 | 169 | } |
Pokitto | 31:f4b9b85c7b62 | 170 | |
Pokitto | 31:f4b9b85c7b62 | 171 | void Pokitto::changeHWvolume(int8_t v) { |
Pokitto | 31:f4b9b85c7b62 | 172 | int temp = HWvolume + v; |
Pokitto | 31:f4b9b85c7b62 | 173 | if (temp < 0) temp = 0; //prevent volume "looparound" than can make a massive crack |
Pokitto | 31:f4b9b85c7b62 | 174 | if (temp > 127) temp = 127; |
Pokitto | 31:f4b9b85c7b62 | 175 | setHWvolume(temp); |
Pokitto | 31:f4b9b85c7b62 | 176 | } |
Pokitto | 31:f4b9b85c7b62 | 177 | |
Pokitto | 31:f4b9b85c7b62 | 178 | uint8_t Pokitto::ampIsOn() { |
Pokitto | 31:f4b9b85c7b62 | 179 | return amp; |
Pokitto | 31:f4b9b85c7b62 | 180 | } |
Pokitto | 31:f4b9b85c7b62 | 181 | |
Pokitto | 31:f4b9b85c7b62 | 182 | void Pokitto::ampEnable(uint8_t v) { |
Pokitto | 31:f4b9b85c7b62 | 183 | if (v>1) v=1; // limit against funny values |
Pokitto | 31:f4b9b85c7b62 | 184 | amp=v; |
Pokitto | 31:f4b9b85c7b62 | 185 | } |
Pokitto | 31:f4b9b85c7b62 | 186 | #endif // POK_BOARDREV == 2 |
Pokitto | 31:f4b9b85c7b62 | 187 | |
Pokitto | 31:f4b9b85c7b62 | 188 | void Pokitto::dac_write(uint8_t value) { |
Pokitto | 31:f4b9b85c7b62 | 189 | #if POK_USE_DAC > 0 |
Pokitto | 31:f4b9b85c7b62 | 190 | #if POK_BOARDREV == 1 // was 1 |
Pokitto | 31:f4b9b85c7b62 | 191 | if (value & 1) SET_DAC0 else CLR_DAC0; |
Pokitto | 31:f4b9b85c7b62 | 192 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 193 | if (value & 1) SET_DAC1 else CLR_DAC1; |
Pokitto | 31:f4b9b85c7b62 | 194 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 195 | if (value & 1) SET_DAC2 else CLR_DAC2; |
Pokitto | 31:f4b9b85c7b62 | 196 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 197 | if (value & 1) SET_DAC3 else CLR_DAC3; |
Pokitto | 31:f4b9b85c7b62 | 198 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 199 | if (value & 1) SET_DAC4 else CLR_DAC4; |
Pokitto | 31:f4b9b85c7b62 | 200 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 201 | if (value & 1) SET_DAC5 else CLR_DAC5; |
Pokitto | 31:f4b9b85c7b62 | 202 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 203 | if (value & 1) SET_DAC6 else CLR_DAC6; |
Pokitto | 31:f4b9b85c7b62 | 204 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 205 | if (value & 1) SET_DAC7 else CLR_DAC7; |
Pokitto | 31:f4b9b85c7b62 | 206 | #else |
Pokitto | 35:4f7edccf8ed6 | 207 | |
Pokitto | 31:f4b9b85c7b62 | 208 | //val = value<<28; //lower 4 bits go higher - because port mask is used, no AND is needed to clear bits |
Pokitto | 31:f4b9b85c7b62 | 209 | //val += value<<(15-4); //higher 4 bits go lower. No need to shift by 15 because bits are in the higher nibble |
Pokitto | 31:f4b9b85c7b62 | 210 | /* daniel has made a mistake with ports */ |
Pokitto | 31:f4b9b85c7b62 | 211 | //val = ((value&0x70)<<(28-4)); //higher 4 bits go higher - because port mask is used, no AND is needed to clear bits |
Pokitto | 31:f4b9b85c7b62 | 212 | //val += value<<(15); //lower 4 bits go lower. No need to shift by 15 because bits are in the higher nibble |
Pokitto | 31:f4b9b85c7b62 | 213 | //SET_MASK_DAC; |
Pokitto | 31:f4b9b85c7b62 | 214 | //LPC_GPIO_PORT->MPIN[1] = val; // write bits to port |
Pokitto | 31:f4b9b85c7b62 | 215 | //CLR_MASK_DAC; |
Pokitto | 31:f4b9b85c7b62 | 216 | /* fixed here */ |
Pokitto | 35:4f7edccf8ed6 | 217 | #define MASKED_DAC 0 |
Pokitto | 35:4f7edccf8ed6 | 218 | #if MASKED_DAC |
Pokitto | 35:4f7edccf8ed6 | 219 | uint32_t val; |
Pokitto | 35:4f7edccf8ed6 | 220 | val=value; |
Pokitto | 31:f4b9b85c7b62 | 221 | SET_MASK_DAC_LO; |
Pokitto | 31:f4b9b85c7b62 | 222 | LPC_GPIO_PORT->MPIN[1] = val<<28; // write lower 4 bits to port |
Pokitto | 31:f4b9b85c7b62 | 223 | CLR_MASK_DAC_LO; |
Pokitto | 31:f4b9b85c7b62 | 224 | SET_MASK_DAC_HI; |
Pokitto | 31:f4b9b85c7b62 | 225 | LPC_GPIO_PORT->MPIN[2] = val<<(20-4); // write bits to port |
Pokitto | 35:4f7edccf8ed6 | 226 | CLR_MASK_DAC_HI; |
Pokitto | 35:4f7edccf8ed6 | 227 | #else |
Pokitto | 31:f4b9b85c7b62 | 228 | if (value & 1) SET_DAC0 else CLR_DAC0; |
Pokitto | 31:f4b9b85c7b62 | 229 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 230 | if (value & 1) SET_DAC1 else CLR_DAC1; |
Pokitto | 31:f4b9b85c7b62 | 231 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 232 | if (value & 1) SET_DAC2 else CLR_DAC2; |
Pokitto | 31:f4b9b85c7b62 | 233 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 234 | if (value & 1) SET_DAC3 else CLR_DAC3; |
Pokitto | 31:f4b9b85c7b62 | 235 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 236 | if (value & 1) SET_DAC4 else CLR_DAC4; |
Pokitto | 31:f4b9b85c7b62 | 237 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 238 | if (value & 1) SET_DAC5 else CLR_DAC5; |
Pokitto | 31:f4b9b85c7b62 | 239 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 240 | if (value & 1) SET_DAC6 else CLR_DAC6; |
Pokitto | 31:f4b9b85c7b62 | 241 | value >>= 1; |
Pokitto | 31:f4b9b85c7b62 | 242 | if (value & 1) SET_DAC7 else CLR_DAC7; |
Pokitto | 35:4f7edccf8ed6 | 243 | #endif //MASKED_DAC |
Pokitto | 31:f4b9b85c7b62 | 244 | //CLR_MASK_DAC; |
Pokitto | 31:f4b9b85c7b62 | 245 | #endif // BOARDREV |
Pokitto | 31:f4b9b85c7b62 | 246 | #endif |
Pokitto | 31:f4b9b85c7b62 | 247 | } |
Pokitto | 31:f4b9b85c7b62 | 248 | |
Pokitto | 31:f4b9b85c7b62 | 249 | /** SOUND INIT **/ |
Pokitto | 31:f4b9b85c7b62 | 250 | void Pokitto::soundInit() { |
Pokitto | 35:4f7edccf8ed6 | 251 | #if POK_ENABLE_SOUND > 0 |
Pokitto | 31:f4b9b85c7b62 | 252 | uint32_t timerFreq; |
Pokitto | 35:4f7edccf8ed6 | 253 | #if POK_USE_PWM |
Pokitto | 35:4f7edccf8ed6 | 254 | |
Pokitto | 31:f4b9b85c7b62 | 255 | pwmout_init(&audiopwm,POK_AUD_PIN); |
Pokitto | 31:f4b9b85c7b62 | 256 | pwmout_period_us(&audiopwm,POK_AUD_PWM_US); //was 31us |
Pokitto | 31:f4b9b85c7b62 | 257 | pwmout_write(&audiopwm,0.1f); |
Pokitto | 35:4f7edccf8ed6 | 258 | #endif |
Pokitto | 31:f4b9b85c7b62 | 259 | |
Pokitto | 32:6d5a63b6d5b6 | 260 | //#if POK_GBSOUND > 0 |
Pokitto | 31:f4b9b85c7b62 | 261 | /** GAMEBUINO SOUND **/ |
Pokitto | 32:6d5a63b6d5b6 | 262 | //audio.attach_us(&audio_IRQ, 1000000/(POK_AUD_FREQ>>0)); |
Pokitto | 32:6d5a63b6d5b6 | 263 | //#else |
Pokitto | 31:f4b9b85c7b62 | 264 | /** NOT GAMEBUINO SOUND **/ |
Pokitto | 31:f4b9b85c7b62 | 265 | //audio.attach_us(&pokSoundBufferedIRQ, 1000000/(POK_AUD_FREQ>>0)); |
Pokitto | 31:f4b9b85c7b62 | 266 | /* Initialize 32-bit timer 0 clock */ |
Pokitto | 31:f4b9b85c7b62 | 267 | Chip_TIMER_Init(LPC_TIMER32_0); |
Pokitto | 31:f4b9b85c7b62 | 268 | |
Pokitto | 31:f4b9b85c7b62 | 269 | /* Timer rate is system clock rate */ |
Pokitto | 31:f4b9b85c7b62 | 270 | timerFreq = Chip_Clock_GetSystemClockRate(); |
Pokitto | 31:f4b9b85c7b62 | 271 | |
Pokitto | 31:f4b9b85c7b62 | 272 | /* Timer setup for match and interrupt at TICKRATE_HZ */ |
Pokitto | 31:f4b9b85c7b62 | 273 | Chip_TIMER_Reset(LPC_TIMER32_0); |
Pokitto | 31:f4b9b85c7b62 | 274 | |
Pokitto | 31:f4b9b85c7b62 | 275 | /* Enable both timers to generate interrupts when time matches */ |
Pokitto | 31:f4b9b85c7b62 | 276 | Chip_TIMER_MatchEnableInt(LPC_TIMER32_0, 1); |
Pokitto | 31:f4b9b85c7b62 | 277 | |
Pokitto | 31:f4b9b85c7b62 | 278 | /* Setup 32-bit timer's duration (32-bit match time) */ |
Pokitto | 31:f4b9b85c7b62 | 279 | Chip_TIMER_SetMatch(LPC_TIMER32_0, 1, (timerFreq / POK_AUD_FREQ)); |
Pokitto | 31:f4b9b85c7b62 | 280 | |
Pokitto | 31:f4b9b85c7b62 | 281 | /* Setup both timers to restart when match occurs */ |
Pokitto | 31:f4b9b85c7b62 | 282 | Chip_TIMER_ResetOnMatchEnable(LPC_TIMER32_0, 1); |
Pokitto | 31:f4b9b85c7b62 | 283 | |
Pokitto | 31:f4b9b85c7b62 | 284 | /* Start both timers */ |
Pokitto | 31:f4b9b85c7b62 | 285 | Chip_TIMER_Enable(LPC_TIMER32_0); |
Pokitto | 31:f4b9b85c7b62 | 286 | |
Pokitto | 31:f4b9b85c7b62 | 287 | /* Clear both timers of any pending interrupts */ |
Pokitto | 31:f4b9b85c7b62 | 288 | #define TIMER_32_0_IRQn 18 |
Pokitto | 31:f4b9b85c7b62 | 289 | NVIC_ClearPendingIRQ((IRQn_Type)TIMER_32_0_IRQn); |
Pokitto | 31:f4b9b85c7b62 | 290 | |
Pokitto | 31:f4b9b85c7b62 | 291 | /* Redirect IRQ vector - Jonne*/ |
Pokitto | 31:f4b9b85c7b62 | 292 | NVIC_SetVector((IRQn_Type)TIMER_32_0_IRQn, (uint32_t)&TIMER32_0_IRQHandler); |
Pokitto | 31:f4b9b85c7b62 | 293 | |
Pokitto | 31:f4b9b85c7b62 | 294 | /* Enable both timer interrupts */ |
Pokitto | 31:f4b9b85c7b62 | 295 | NVIC_EnableIRQ((IRQn_Type)TIMER_32_0_IRQn); |
Pokitto | 32:6d5a63b6d5b6 | 296 | //#endif // POK_GAMEBUINO_SUPPORT |
Pokitto | 31:f4b9b85c7b62 | 297 | |
Pokitto | 31:f4b9b85c7b62 | 298 | //emptySong(); |
Pokitto | 31:f4b9b85c7b62 | 299 | //emptyOscillators(); |
Pokitto | 31:f4b9b85c7b62 | 300 | //emptyBlocks(); |
Pokitto | 31:f4b9b85c7b62 | 301 | //emptyPatches(); |
Pokitto | 31:f4b9b85c7b62 | 302 | #ifdef TEST_SOUND |
Pokitto | 31:f4b9b85c7b62 | 303 | testOsc(); |
Pokitto | 31:f4b9b85c7b62 | 304 | #endif // TEST_SOUND |
Pokitto | 31:f4b9b85c7b62 | 305 | #if POK_BOARDREV == 2 |
Pokitto | 31:f4b9b85c7b62 | 306 | initHWvolumecontrol(); |
Pokitto | 31:f4b9b85c7b62 | 307 | #endif |
Pokitto | 35:4f7edccf8ed6 | 308 | |
Pokitto | 35:4f7edccf8ed6 | 309 | #if POK_ENABLE_SYNTH |
Pokitto | 35:4f7edccf8ed6 | 310 | emptyOscillators(); |
Pokitto | 35:4f7edccf8ed6 | 311 | #endif |
Pokitto | 35:4f7edccf8ed6 | 312 | |
Pokitto | 35:4f7edccf8ed6 | 313 | |
Pokitto | 35:4f7edccf8ed6 | 314 | #endif // POK_ENABLE_SOUND |
Pokitto | 35:4f7edccf8ed6 | 315 | |
Pokitto | 31:f4b9b85c7b62 | 316 | } |
Pokitto | 31:f4b9b85c7b62 | 317 | |
Pokitto | 31:f4b9b85c7b62 | 318 | |
Pokitto | 31:f4b9b85c7b62 | 319 | uint8_t Pokitto::streamPaused() { |
Pokitto | 31:f4b9b85c7b62 | 320 | return !streamon; |
Pokitto | 31:f4b9b85c7b62 | 321 | } |
Pokitto | 31:f4b9b85c7b62 | 322 | |
Pokitto | 31:f4b9b85c7b62 | 323 | void Pokitto::pauseStream() { |
Pokitto | 31:f4b9b85c7b62 | 324 | streamon=0; |
Pokitto | 31:f4b9b85c7b62 | 325 | } |
Pokitto | 31:f4b9b85c7b62 | 326 | |
Pokitto | 31:f4b9b85c7b62 | 327 | void Pokitto::playStream() { |
Pokitto | 31:f4b9b85c7b62 | 328 | streamon=1; |
Pokitto | 31:f4b9b85c7b62 | 329 | } |
Pokitto | 31:f4b9b85c7b62 | 330 | |
Pokitto | 31:f4b9b85c7b62 | 331 | |
Pokitto | 31:f4b9b85c7b62 | 332 | void pokPauseStream() { |
Pokitto | 31:f4b9b85c7b62 | 333 | streamon=0; |
Pokitto | 31:f4b9b85c7b62 | 334 | } |
Pokitto | 31:f4b9b85c7b62 | 335 | |
Pokitto | 31:f4b9b85c7b62 | 336 | void pokPlayStream() { |
Pokitto | 31:f4b9b85c7b62 | 337 | streamon=1; |
Pokitto | 31:f4b9b85c7b62 | 338 | } |
Pokitto | 31:f4b9b85c7b62 | 339 | |
Pokitto | 31:f4b9b85c7b62 | 340 | |
Pokitto | 31:f4b9b85c7b62 | 341 | |
Pokitto | 35:4f7edccf8ed6 | 342 | inline void pokSoundBufferedIRQ() { |
Pokitto | 35:4f7edccf8ed6 | 343 | uint8_t output = soundbuf[soundbufindex+=Pokitto::streamon]; |
Pokitto | 35:4f7edccf8ed6 | 344 | if (soundbufindex==SBUFSIZE) soundbufindex=0; |
Pokitto | 31:f4b9b85c7b62 | 345 | //if (p==sizeof(beat_11025_raw)) p=0; |
Pokitto | 31:f4b9b85c7b62 | 346 | //soundbuf[soundbufindex++] = output; |
Pokitto | 35:4f7edccf8ed6 | 347 | //uint32_t t_on = (uint32_t)(((obj->pwm->MATCHREL0)*output)>>8); //cut out float |
Pokitto | 35:4f7edccf8ed6 | 348 | //obj->pwm->MATCHREL1 = t_on; |
Pokitto | 35:4f7edccf8ed6 | 349 | dac_write(output); |
Pokitto | 35:4f7edccf8ed6 | 350 | |
Pokitto | 35:4f7edccf8ed6 | 351 | //setDRAMpoint(pixx, pixy); |
Pokitto | 31:f4b9b85c7b62 | 352 | } |
Pokitto | 31:f4b9b85c7b62 | 353 | |
Pokitto | 35:4f7edccf8ed6 | 354 | inline void pokSoundIRQ() { |
Pokitto | 33:7d20a1e51908 | 355 | #if POK_ENABLE_SOUND > 0 |
Pokitto | 35:4f7edccf8ed6 | 356 | //#define TICKY 0xFFFF //160 |
Pokitto | 35:4f7edccf8ed6 | 357 | //#define INCY 409 |
Pokitto | 34:427237571c6a | 358 | uint8_t output=0; |
Pokitto | 34:427237571c6a | 359 | streamon=1; |
Pokitto | 35:4f7edccf8ed6 | 360 | //if (test==TICKY) test=0; |
Pokitto | 35:4f7edccf8ed6 | 361 | //if (test<(TICKY/2)) { tpin=1; pwmout_write(&audiopwm,(float)0/(float)255);}//dac_write(0);} |
Pokitto | 35:4f7edccf8ed6 | 362 | //else {tpin=0; pwmout_write(&audiopwm,(float)255/(float)255);}//dac_write(64);} |
Pokitto | 35:4f7edccf8ed6 | 363 | //test+=INCY; |
Pokitto | 35:4f7edccf8ed6 | 364 | //return; |
Pokitto | 31:f4b9b85c7b62 | 365 | #ifndef POK_SIM |
Pokitto | 35:4f7edccf8ed6 | 366 | #if POK_USE_PWM |
Pokitto | 35:4f7edccf8ed6 | 367 | pwmout_t* obj = &audiopwm; |
Pokitto | 35:4f7edccf8ed6 | 368 | #endif |
Pokitto | 31:f4b9b85c7b62 | 369 | #endif |
Pokitto | 31:f4b9b85c7b62 | 370 | #if POK_STREAMING_MUSIC > 0 |
Pokitto | 31:f4b9b85c7b62 | 371 | #if POK_STREAMFREQ_HALVE |
Pokitto | 31:f4b9b85c7b62 | 372 | streamstep = 1-streamstep; |
Pokitto | 31:f4b9b85c7b62 | 373 | #else |
Pokitto | 31:f4b9b85c7b62 | 374 | streamstep = 1; |
Pokitto | 31:f4b9b85c7b62 | 375 | #endif // POK_STREAMFREQ_HALVE |
Pokitto | 31:f4b9b85c7b62 | 376 | streamstep &= streamon; // streamon is used to toggle SD music streaming on and off |
Pokitto | 31:f4b9b85c7b62 | 377 | if (streamstep) { |
Pokitto | 31:f4b9b85c7b62 | 378 | output = (*currentPtr++); |
Pokitto | 31:f4b9b85c7b62 | 379 | if(streamvol && streamon) { |
Pokitto | 31:f4b9b85c7b62 | 380 | output >>= 3-streamvol; |
Pokitto | 31:f4b9b85c7b62 | 381 | streambyte = output; |
Pokitto | 31:f4b9b85c7b62 | 382 | } else { |
Pokitto | 31:f4b9b85c7b62 | 383 | streambyte = 0; // duty cycle |
Pokitto | 31:f4b9b85c7b62 | 384 | output = 0; |
Pokitto | 31:f4b9b85c7b62 | 385 | } |
Pokitto | 31:f4b9b85c7b62 | 386 | if (currentPtr >= endPtr) |
Pokitto | 31:f4b9b85c7b62 | 387 | { |
Pokitto | 31:f4b9b85c7b62 | 388 | currentBuffer++; |
Pokitto | 31:f4b9b85c7b62 | 389 | if (currentBuffer==4) currentBuffer=0; |
Pokitto | 31:f4b9b85c7b62 | 390 | currentPtr = buffers[currentBuffer]; |
Pokitto | 31:f4b9b85c7b62 | 391 | endPtr = currentPtr + BUFFER_SIZE; |
Pokitto | 31:f4b9b85c7b62 | 392 | } |
Pokitto | 31:f4b9b85c7b62 | 393 | } |
Pokitto | 31:f4b9b85c7b62 | 394 | #endif // POK_STREAMING_MUSIC |
Pokitto | 31:f4b9b85c7b62 | 395 | |
Pokitto | 31:f4b9b85c7b62 | 396 | /** DO ADDITIONAL SOUND PROCESSING (NOT STREAM) OF SOUND HERE **/ |
Pokitto | 31:f4b9b85c7b62 | 397 | |
Pokitto | 31:f4b9b85c7b62 | 398 | #if POK_ENABLE_SYNTH |
Pokitto | 31:f4b9b85c7b62 | 399 | /** if song is being played from sd **/ |
Pokitto | 31:f4b9b85c7b62 | 400 | if (playing) { |
Pokitto | 31:f4b9b85c7b62 | 401 | notetick++; |
Pokitto | 35:4f7edccf8ed6 | 402 | updatePlayback(); |
Pokitto | 31:f4b9b85c7b62 | 403 | } |
Pokitto | 31:f4b9b85c7b62 | 404 | /** oscillators update **/ |
Pokitto | 31:f4b9b85c7b62 | 405 | osc1.count += osc1.cinc + (osc1.pitchbend >> 4); // counts to 65535 and overflows to zero WAS 8 ! |
Pokitto | 31:f4b9b85c7b62 | 406 | osc2.count += osc2.cinc + (osc2.pitchbend >> 4); // counts to 65535 and overflows to zero |
Pokitto | 31:f4b9b85c7b62 | 407 | osc3.count += osc3.cinc + (osc3.pitchbend >> 4); // counts to 65535 and overflows to zero |
Pokitto | 31:f4b9b85c7b62 | 408 | Marr[tick](); // call mixing function |
Pokitto | 31:f4b9b85c7b62 | 409 | --tick; |
Pokitto | 31:f4b9b85c7b62 | 410 | |
Pokitto | 31:f4b9b85c7b62 | 411 | /** mixing oscillator output **/ |
Pokitto | 31:f4b9b85c7b62 | 412 | |
Pokitto | 31:f4b9b85c7b62 | 413 | uint16_t op = (uint16_t) ((osc1.output)*(osc1.vol>>8))>>9;// >> 2 osc1.vol Marr; |
Pokitto | 31:f4b9b85c7b62 | 414 | op += (uint16_t) ((osc2.output)*(osc2.vol>>8))>>9;// >> 2 osc1.vol Marr; |
Pokitto | 31:f4b9b85c7b62 | 415 | op += (uint16_t) ((osc3.output)*(osc3.vol>>8))>>9;// >> 2 osc1.vol Marr; |
Pokitto | 31:f4b9b85c7b62 | 416 | output = (uint8_t) op; |
Pokitto | 31:f4b9b85c7b62 | 417 | |
Pokitto | 31:f4b9b85c7b62 | 418 | #endif // POK_ENABLE_SYNTH |
Pokitto | 31:f4b9b85c7b62 | 419 | |
Pokitto | 31:f4b9b85c7b62 | 420 | #ifndef POK_SIM |
Pokitto | 31:f4b9b85c7b62 | 421 | /** HARDWARE **/ |
Pokitto | 31:f4b9b85c7b62 | 422 | #if POK_ENABLE_SOUND > 0 |
Pokitto | 31:f4b9b85c7b62 | 423 | #if POK_STREAMING_MUSIC > 0 |
Pokitto | 31:f4b9b85c7b62 | 424 | /** sound is enabled, streaming is enabled */ |
Pokitto | 31:f4b9b85c7b62 | 425 | #if POK_STREAM_TO_DAC > 0 |
Pokitto | 31:f4b9b85c7b62 | 426 | /** stream goes to DAC */ |
Pokitto | 31:f4b9b85c7b62 | 427 | #if POK_USE_DAC > 0 |
Pokitto | 35:4f7edccf8ed6 | 428 | dac_write(streambyte>>__shw.headPhoneLevel); // duty cycle |
Pokitto | 31:f4b9b85c7b62 | 429 | #endif // POK_USE_DAC |
Pokitto | 31:f4b9b85c7b62 | 430 | #else |
Pokitto | 31:f4b9b85c7b62 | 431 | /** stream goes to PWM */ |
Pokitto | 31:f4b9b85c7b62 | 432 | if (streamstep) { |
Pokitto | 31:f4b9b85c7b62 | 433 | //pwmout_write(&audiopwm,(float)streambyte/(float)255); |
Pokitto | 35:4f7edccf8ed6 | 434 | #if POK_USE_PWM |
Pokitto | 35:4f7edccf8ed6 | 435 | uint32_t t_on = (uint32_t)((((obj->pwm->MATCHREL0)*streambyte)>>8)>>__shw.headPhoneLevel); //cut out float |
Pokitto | 31:f4b9b85c7b62 | 436 | obj->pwm->MATCHREL1 = t_on; |
Pokitto | 35:4f7edccf8ed6 | 437 | #endif |
Pokitto | 31:f4b9b85c7b62 | 438 | //dac_write((uint8_t)streambyte); // duty cycle |
Pokitto | 31:f4b9b85c7b62 | 439 | } |
Pokitto | 31:f4b9b85c7b62 | 440 | #endif // POK_STREAM_TO_DAC |
Pokitto | 31:f4b9b85c7b62 | 441 | #endif // POK_STREAMING_MUSIC |
Pokitto | 31:f4b9b85c7b62 | 442 | #if POK_STREAM_TO_DAC > 0 |
Pokitto | 35:4f7edccf8ed6 | 443 | /** synth goes to PWM */ |
Pokitto | 35:4f7edccf8ed6 | 444 | //pwmout_write(&audiopwm,(float)output/(float)255); |
Pokitto | 35:4f7edccf8ed6 | 445 | #if POK_USE_PWM |
Pokitto | 35:4f7edccf8ed6 | 446 | uint32_t t_on = (uint32_t)((((obj->pwm->MATCHREL0)*output)>>8)>>__shw.headPhoneLevel); //cut out float |
Pokitto | 35:4f7edccf8ed6 | 447 | obj->pwm->MATCHREL1 = t_on; |
Pokitto | 35:4f7edccf8ed6 | 448 | #endif |
Pokitto | 35:4f7edccf8ed6 | 449 | #else // POK_STREAMING_MUSIC |
Pokitto | 35:4f7edccf8ed6 | 450 | dac_write((uint8_t)output>>__shw.headPhoneLevel); // SYNTH to DAC |
Pokitto | 35:4f7edccf8ed6 | 451 | #endif |
Pokitto | 31:f4b9b85c7b62 | 452 | soundbyte = (output+streambyte)>>1; |
Pokitto | 31:f4b9b85c7b62 | 453 | soundbuf[soundbufindex++]=soundbyte; |
Pokitto | 35:4f7edccf8ed6 | 454 | if (soundbufindex==256) soundbufindex=0; |
Pokitto | 31:f4b9b85c7b62 | 455 | #endif //POK_ENABLE_SOUND |
Pokitto | 31:f4b9b85c7b62 | 456 | #endif // HARDWARE |
Pokitto | 35:4f7edccf8ed6 | 457 | #endif //POK_ENABLE_SOUND |
Pokitto | 31:f4b9b85c7b62 | 458 | } |
Pokitto | 31:f4b9b85c7b62 | 459 | |
Pokitto | 31:f4b9b85c7b62 | 460 | |
Pokitto | 31:f4b9b85c7b62 | 461 | void Pokitto::updateSDAudioStream() { |
Pokitto | 35:4f7edccf8ed6 | 462 | #ifndef NOPETITFATFS |
Pokitto | 31:f4b9b85c7b62 | 463 | if (streamPaused()) return; |
Pokitto | 31:f4b9b85c7b62 | 464 | |
Pokitto | 31:f4b9b85c7b62 | 465 | #if POK_STREAMING_MUSIC > 0 |
Pokitto | 31:f4b9b85c7b62 | 466 | if (oldBuffer != currentBuffer) { |
Pokitto | 31:f4b9b85c7b62 | 467 | if (currentBuffer==0) fileReadBytes(&buffers[3][0],BUFFER_SIZE); |
Pokitto | 31:f4b9b85c7b62 | 468 | else if (currentBuffer==1) fileReadBytes(&buffers[0][0],BUFFER_SIZE); |
Pokitto | 31:f4b9b85c7b62 | 469 | else if (currentBuffer==2) fileReadBytes(&buffers[1][0],BUFFER_SIZE); |
Pokitto | 31:f4b9b85c7b62 | 470 | else fileReadBytes(&buffers[2][0],BUFFER_SIZE); |
Pokitto | 31:f4b9b85c7b62 | 471 | oldBuffer = currentBuffer; |
Pokitto | 31:f4b9b85c7b62 | 472 | streamcounter += BUFFER_SIZE; |
Pokitto | 31:f4b9b85c7b62 | 473 | } else return; |
Pokitto | 31:f4b9b85c7b62 | 474 | |
Pokitto | 31:f4b9b85c7b62 | 475 | #ifndef POK_SIM |
Pokitto | 31:f4b9b85c7b62 | 476 | if ( streamcounter > fs.fsize - (BUFFER_SIZE*6)) { |
Pokitto | 31:f4b9b85c7b62 | 477 | #else |
Pokitto | 31:f4b9b85c7b62 | 478 | if ( streamcounter > getFileLength() - (BUFFER_SIZE*6)) { |
Pokitto | 31:f4b9b85c7b62 | 479 | #endif |
Pokitto | 31:f4b9b85c7b62 | 480 | streamcounter=0; |
Pokitto | 31:f4b9b85c7b62 | 481 | #if POK_STREAM_LOOP |
Pokitto | 31:f4b9b85c7b62 | 482 | fileRewind(); |
Pokitto | 31:f4b9b85c7b62 | 483 | #else |
Pokitto | 31:f4b9b85c7b62 | 484 | pokPauseStream(); |
Pokitto | 31:f4b9b85c7b62 | 485 | #endif |
Pokitto | 31:f4b9b85c7b62 | 486 | } |
Pokitto | 31:f4b9b85c7b62 | 487 | #endif |
Pokitto | 35:4f7edccf8ed6 | 488 | #endif // NOPETITFATFS |
Pokitto | 31:f4b9b85c7b62 | 489 | } |
Pokitto | 31:f4b9b85c7b62 | 490 | |
Pokitto | 31:f4b9b85c7b62 | 491 | |
Pokitto | 31:f4b9b85c7b62 | 492 | #endif // POK_ENABLE_SOUND |
Pokitto | 31:f4b9b85c7b62 | 493 | |
Pokitto | 31:f4b9b85c7b62 | 494 | |
Pokitto | 31:f4b9b85c7b62 | 495 |