ban4jp - / VS1053b_mod

Add the RTOS processing. for the Network radio streaming receiver.

Fork of VS1053b by Christian Schmiljun

VS1053.cpp@2:5bab956cb59e, 2010-12-22 (annotated)

Committer:
christi_s
Date:
Wed Dec 22 18:09:33 2010 +0000
Revision:
2:5bab956cb59e
Parent:
1:ced2c297cc1b
Child:
3:88a645490529
add vsbe

Who changed what in which revision?

UserRevisionLine numberNew contents of line
christi_s 1:ced2c297cc1b 1 /* mbed VLSI VS1053b library
christi_s 1:ced2c297cc1b 2 * Copyright (c) 2010 Christian Schmiljun
christi_s 1:ced2c297cc1b 3 *
christi_s 1:ced2c297cc1b 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
christi_s 1:ced2c297cc1b 5 * of this software and associated documentation files (the "Software"), to deal
christi_s 1:ced2c297cc1b 6 * in the Software without restriction, including without limitation the rights
christi_s 1:ced2c297cc1b 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
christi_s 1:ced2c297cc1b 8 * copies of the Software, and to permit persons to whom the Software is
christi_s 1:ced2c297cc1b 9 * furnished to do so, subject to the following conditions:
christi_s 1:ced2c297cc1b 10 *
christi_s 1:ced2c297cc1b 11 * The above copyright notice and this permission notice shall be included in
christi_s 1:ced2c297cc1b 12 * all copies or substantial portions of the Software.
christi_s 1:ced2c297cc1b 13 *
christi_s 1:ced2c297cc1b 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
christi_s 1:ced2c297cc1b 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
christi_s 1:ced2c297cc1b 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
christi_s 1:ced2c297cc1b 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
christi_s 1:ced2c297cc1b 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
christi_s 1:ced2c297cc1b 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
christi_s 1:ced2c297cc1b 20 * THE SOFTWARE.
christi_s 1:ced2c297cc1b 21 */
christi_s 1:ced2c297cc1b 22
christi_s 1:ced2c297cc1b 23 /* This code based on:
christi_s 1:ced2c297cc1b 24 * mbeduino_MP3_Shield_MP3Player
christi_s 1:ced2c297cc1b 25 * http://mbed.org/users/xshige/programs/mbeduino_MP3_Shield_MP3Player/lgcx63
christi_s 1:ced2c297cc1b 26 * 2010-10-16
christi_s 1:ced2c297cc1b 27 */
christi_s 1:ced2c297cc1b 28
christi_s 0:7728d9c6c487 29 #include "VS1053.h"
christi_s 0:7728d9c6c487 30 #include "mbed.h"
christi_s 0:7728d9c6c487 31
christi_s 0:7728d9c6c487 32 // patch binarys
christi_s 0:7728d9c6c487 33 #include "Patches/VS1053b_patch_1_5.c"
christi_s 0:7728d9c6c487 34 #include "Patches/VS1053b_patch_1_5_flac.c"
christi_s 0:7728d9c6c487 35 #include "Patches/VS1053b_patch_1_4_flac.c"
christi_s 1:ced2c297cc1b 36 #include "Patches/VS1053b_specana_0_9.c"
christi_s 1:ced2c297cc1b 37 #include "Patches/VS1053b_pcm_recorder_0_9.c"
christi_s 0:7728d9c6c487 38
christi_s 0:7728d9c6c487 39
christi_s 0:7728d9c6c487 40 /* ==================================================================
christi_s 0:7728d9c6c487 41 * Constructor
christi_s 0:7728d9c6c487 42 * =================================================================*/
christi_s 0:7728d9c6c487 43 VS1053::VS1053(
christi_s 0:7728d9c6c487 44 PinName mosi, PinName miso, PinName sck, PinName cs, PinName rst,
christi_s 0:7728d9c6c487 45 PinName dreq, PinName dcs)
christi_s 0:7728d9c6c487 46 :
christi_s 0:7728d9c6c487 47 _spi(mosi, miso, sck),
christi_s 0:7728d9c6c487 48 _CS(cs),
christi_s 0:7728d9c6c487 49 _RST(rst),
christi_s 0:7728d9c6c487 50 _DREQ(dreq),
christi_s 2:5bab956cb59e 51 _DCS(dcs)
christi_s 2:5bab956cb59e 52 {
christi_s 1:ced2c297cc1b 53 _volume = DEFAULT_VOLUME;
christi_s 1:ced2c297cc1b 54 _balance = DEFAULT_BALANCE_DIFERENCE_LEFT_RIGHT;
christi_s 2:5bab956cb59e 55 _sb_amplitude = DEFAULT_BASS_AMPLITUDE;
christi_s 2:5bab956cb59e 56 _sb_freqlimit = DEFAULT_BASS_FREQUENCY;
christi_s 2:5bab956cb59e 57 _st_amplitude = DEFAULT_TREBLE_AMPLITUDE;
christi_s 2:5bab956cb59e 58 _st_freqlimit = DEFAULT_TREBLE_FREQUENCY;
christi_s 0:7728d9c6c487 59 }
christi_s 0:7728d9c6c487 60
christi_s 0:7728d9c6c487 61 /*===================================================================
christi_s 0:7728d9c6c487 62 * Functions
christi_s 0:7728d9c6c487 63 *==================================================================*/
christi_s 0:7728d9c6c487 64
christi_s 0:7728d9c6c487 65 void VS1053::cs_low(void) {
christi_s 0:7728d9c6c487 66 _CS = 0;
christi_s 0:7728d9c6c487 67 }
christi_s 0:7728d9c6c487 68 void VS1053::cs_high(void) {
christi_s 0:7728d9c6c487 69 _CS = 1;
christi_s 0:7728d9c6c487 70 }
christi_s 0:7728d9c6c487 71 void VS1053::dcs_low(void) {
christi_s 0:7728d9c6c487 72 _DCS = 0;
christi_s 0:7728d9c6c487 73
christi_s 0:7728d9c6c487 74 }
christi_s 0:7728d9c6c487 75 void VS1053::dcs_high(void) {
christi_s 0:7728d9c6c487 76 _DCS = 1;
christi_s 0:7728d9c6c487 77 }
christi_s 0:7728d9c6c487 78 void VS1053::sci_en(void) { //SCI enable
christi_s 0:7728d9c6c487 79 cs_high();
christi_s 0:7728d9c6c487 80 dcs_high();
christi_s 0:7728d9c6c487 81 cs_low();
christi_s 0:7728d9c6c487 82 }
christi_s 0:7728d9c6c487 83 void VS1053::sci_dis(void) { //SCI disable
christi_s 0:7728d9c6c487 84 cs_high();
christi_s 0:7728d9c6c487 85 }
christi_s 0:7728d9c6c487 86 void VS1053::sdi_en(void) { //SDI enable
christi_s 0:7728d9c6c487 87 dcs_high();
christi_s 0:7728d9c6c487 88 cs_high();
christi_s 0:7728d9c6c487 89 dcs_low();
christi_s 0:7728d9c6c487 90 }
christi_s 0:7728d9c6c487 91 void VS1053::sdi_dis(void) { //SDI disable
christi_s 0:7728d9c6c487 92 dcs_high();
christi_s 0:7728d9c6c487 93 }
christi_s 0:7728d9c6c487 94 void VS1053::reset(void) { //hardware reset
christi_s 0:7728d9c6c487 95 // wait(0.01);
christi_s 0:7728d9c6c487 96 wait_ms(10);
christi_s 0:7728d9c6c487 97 _RST = 0;
christi_s 0:7728d9c6c487 98 // wait(0.01);
christi_s 0:7728d9c6c487 99 wait_ms(5);
christi_s 0:7728d9c6c487 100 _RST = 1;
christi_s 0:7728d9c6c487 101 // wait(0.10);
christi_s 0:7728d9c6c487 102 wait_ms(10);
christi_s 0:7728d9c6c487 103 }
christi_s 0:7728d9c6c487 104 void VS1053::power_down(void) { //hardware and software reset
christi_s 0:7728d9c6c487 105 cs_low();
christi_s 0:7728d9c6c487 106 reset();
christi_s 0:7728d9c6c487 107 // sci_write(0x00, SM_PDOWN);
christi_s 0:7728d9c6c487 108 sci_write(0x00, 0x10); // tempo
christi_s 0:7728d9c6c487 109 wait(0.01);
christi_s 0:7728d9c6c487 110 reset();
christi_s 0:7728d9c6c487 111 }
christi_s 1:ced2c297cc1b 112 void VS1053::spi_initialise(void) {
christi_s 0:7728d9c6c487 113 _RST = 1; //no reset
christi_s 0:7728d9c6c487 114 _spi.format(8,0); //spi 8bit interface, steady state low
christi_s 0:7728d9c6c487 115 // _spi.frequency(1000000); //rising edge data record, freq. 1Mhz
christi_s 0:7728d9c6c487 116 _spi.frequency(2000000); //rising edge data record, freq. 2Mhz
christi_s 0:7728d9c6c487 117
christi_s 0:7728d9c6c487 118
christi_s 0:7728d9c6c487 119 cs_low();
christi_s 0:7728d9c6c487 120 for (int i=0; i<4; i++) {
christi_s 0:7728d9c6c487 121 _spi.write(0xFF); //clock the chip a bit
christi_s 0:7728d9c6c487 122 }
christi_s 0:7728d9c6c487 123 cs_high();
christi_s 0:7728d9c6c487 124 dcs_high();
christi_s 0:7728d9c6c487 125 wait_us(5);
christi_s 0:7728d9c6c487 126 }
christi_s 0:7728d9c6c487 127 void VS1053::sdi_initialise(void) {
christi_s 1:ced2c297cc1b 128 _spi.frequency(8000000); //set to 8 MHz to make fast transfer
christi_s 0:7728d9c6c487 129 cs_high();
christi_s 0:7728d9c6c487 130 dcs_high();
christi_s 0:7728d9c6c487 131 }
christi_s 0:7728d9c6c487 132 void VS1053::sci_write(unsigned char address, unsigned short int data) {
christi_s 0:7728d9c6c487 133 sci_en(); //enables SCI/disables SDI
christi_s 0:7728d9c6c487 134
christi_s 0:7728d9c6c487 135 while (!_DREQ); //wait unitl data request is high
christi_s 0:7728d9c6c487 136 _spi.write(0x02); //SCI write
christi_s 0:7728d9c6c487 137 _spi.write(address); //register address
christi_s 0:7728d9c6c487 138 _spi.write((data >> 8) & 0xFF); //write out first half of data word
christi_s 0:7728d9c6c487 139 _spi.write(data & 0xFF); //write out second half of data word
christi_s 0:7728d9c6c487 140
christi_s 0:7728d9c6c487 141 sci_dis(); //enables SDI/disables SCI
christi_s 0:7728d9c6c487 142 wait_us(5);
christi_s 0:7728d9c6c487 143 }
christi_s 0:7728d9c6c487 144 void VS1053::sdi_write(unsigned char datum) {
christi_s 0:7728d9c6c487 145 sdi_en();
christi_s 0:7728d9c6c487 146
christi_s 0:7728d9c6c487 147 while (!_DREQ);
christi_s 0:7728d9c6c487 148 _spi.write(datum);
christi_s 0:7728d9c6c487 149
christi_s 0:7728d9c6c487 150 //? sci_dis();
christi_s 0:7728d9c6c487 151 sdi_dis();
christi_s 0:7728d9c6c487 152 }
christi_s 1:ced2c297cc1b 153 unsigned short VS1053::sci_read(unsigned short int address) {
christi_s 0:7728d9c6c487 154 cs_low(); //enables SCI/disables SDI
christi_s 0:7728d9c6c487 155
christi_s 0:7728d9c6c487 156 while (!_DREQ); //wait unitl data request is high
christi_s 0:7728d9c6c487 157 _spi.write(0x03); //SCI write
christi_s 0:7728d9c6c487 158 _spi.write(address); //register address
christi_s 0:7728d9c6c487 159 unsigned short int received = _spi.write(0x00); //write out dummy byte
christi_s 0:7728d9c6c487 160 received <<= 8;
christi_s 0:7728d9c6c487 161 received += _spi.write(0x00); //write out dummy byte
christi_s 0:7728d9c6c487 162
christi_s 0:7728d9c6c487 163 cs_high(); //enables SDI/disables SCI
christi_s 0:7728d9c6c487 164
christi_s 0:7728d9c6c487 165 return received; //return received word
christi_s 0:7728d9c6c487 166 }
christi_s 0:7728d9c6c487 167 void VS1053::sine_test_activate(unsigned char wave) {
christi_s 0:7728d9c6c487 168 cs_high(); //enables SDI/disables SCI
christi_s 0:7728d9c6c487 169
christi_s 0:7728d9c6c487 170 while (!_DREQ); //wait unitl data request is high
christi_s 0:7728d9c6c487 171 _spi.write(0x53); //SDI write
christi_s 0:7728d9c6c487 172 _spi.write(0xEF); //SDI write
christi_s 0:7728d9c6c487 173 _spi.write(0x6E); //SDI write
christi_s 0:7728d9c6c487 174 _spi.write(wave); //SDI write
christi_s 0:7728d9c6c487 175 _spi.write(0x00); //filler byte
christi_s 0:7728d9c6c487 176 _spi.write(0x00); //filler byte
christi_s 0:7728d9c6c487 177 _spi.write(0x00); //filler byte
christi_s 0:7728d9c6c487 178 _spi.write(0x00); //filler byte
christi_s 0:7728d9c6c487 179
christi_s 0:7728d9c6c487 180 cs_low(); //enables SCI/disables SDI
christi_s 0:7728d9c6c487 181 }
christi_s 0:7728d9c6c487 182 void VS1053::sine_test_deactivate(void) {
christi_s 0:7728d9c6c487 183 cs_high();
christi_s 0:7728d9c6c487 184
christi_s 0:7728d9c6c487 185 while (!_DREQ);
christi_s 0:7728d9c6c487 186 _spi.write(0x45); //SDI write
christi_s 0:7728d9c6c487 187 _spi.write(0x78); //SDI write
christi_s 0:7728d9c6c487 188 _spi.write(0x69); //SDI write
christi_s 0:7728d9c6c487 189 _spi.write(0x74); //SDI write
christi_s 0:7728d9c6c487 190 _spi.write(0x00); //filler byte
christi_s 0:7728d9c6c487 191 _spi.write(0x00); //filler byte
christi_s 0:7728d9c6c487 192 _spi.write(0x00); //filler byte
christi_s 0:7728d9c6c487 193 _spi.write(0x00); //filler byte
christi_s 0:7728d9c6c487 194 }
christi_s 0:7728d9c6c487 195
christi_s 1:ced2c297cc1b 196 void VS1053::writeStream(unsigned char *array, unsigned int size) {
christi_s 0:7728d9c6c487 197 for (int i=0; i<size; i++) {
christi_s 0:7728d9c6c487 198 sdi_write(array[i]);
christi_s 0:7728d9c6c487 199 }
christi_s 0:7728d9c6c487 200 }
christi_s 0:7728d9c6c487 201
christi_s 0:7728d9c6c487 202 #if 0
christi_s 0:7728d9c6c487 203 // this function does not work
christi_s 0:7728d9c6c487 204 // because of function call overhead
christi_s 0:7728d9c6c487 205 void VS1053::putcStream(unsigned char datum) {
christi_s 0:7728d9c6c487 206 sdi_write(datum);
christi_s 0:7728d9c6c487 207 }
christi_s 0:7728d9c6c487 208 #endif
christi_s 0:7728d9c6c487 209
christi_s 0:7728d9c6c487 210 unsigned short int VS1053::wram_read(unsigned short int address) {
christi_s 0:7728d9c6c487 211 unsigned short int tmp1,tmp2;
christi_s 0:7728d9c6c487 212 sci_write(SCI_WRAMADDR,address);
christi_s 0:7728d9c6c487 213 tmp1=sci_read(SCI_WRAM);
christi_s 0:7728d9c6c487 214 sci_write(SCI_WRAMADDR,address);
christi_s 0:7728d9c6c487 215 tmp2=sci_read(SCI_WRAM);
christi_s 0:7728d9c6c487 216 if (tmp1==tmp2) return tmp1;
christi_s 0:7728d9c6c487 217 sci_write(SCI_WRAMADDR,address);
christi_s 0:7728d9c6c487 218 tmp1=sci_read(SCI_WRAM);
christi_s 0:7728d9c6c487 219 if (tmp1==tmp2) return tmp1;
christi_s 0:7728d9c6c487 220 sci_write(SCI_WRAMADDR,address);
christi_s 0:7728d9c6c487 221 tmp1=sci_read(SCI_WRAM);
christi_s 0:7728d9c6c487 222 if (tmp1==tmp2) return tmp1;
christi_s 0:7728d9c6c487 223 return tmp1;
christi_s 0:7728d9c6c487 224 }
christi_s 0:7728d9c6c487 225
christi_s 0:7728d9c6c487 226 void VS1053::wram_write(unsigned short int address, unsigned short int data) {
christi_s 0:7728d9c6c487 227 sci_write(SCI_WRAMADDR,address);
christi_s 0:7728d9c6c487 228 sci_write(SCI_WRAM,data);
christi_s 0:7728d9c6c487 229 return;
christi_s 0:7728d9c6c487 230 }
christi_s 0:7728d9c6c487 231
christi_s 1:ced2c297cc1b 232 void VS1053::setPlaySpeed(unsigned short speed)
christi_s 1:ced2c297cc1b 233 {
christi_s 1:ced2c297cc1b 234 wram_write(para_playSpeed, speed);
christi_s 2:5bab956cb59e 235 DEBUGOUT("VS1053b: Change speed. New speed: %d\r\n", speed);
christi_s 1:ced2c297cc1b 236 }
christi_s 0:7728d9c6c487 237
christi_s 0:7728d9c6c487 238 void VS1053::terminateStream(void) {
christi_s 1:ced2c297cc1b 239 // send at least 2052 bytes of endFillByte[7:0].
christi_s 1:ced2c297cc1b 240 // read endFillByte (0 .. 15) from wram
christi_s 1:ced2c297cc1b 241 unsigned short endFillByte=wram_read(para_endFillByte);
christi_s 1:ced2c297cc1b 242 // clear endFillByte (8 .. 15)
christi_s 1:ced2c297cc1b 243 endFillByte = endFillByte ^0x00FF;
christi_s 1:ced2c297cc1b 244 for (int n = 0; n < 2052; n++)
christi_s 1:ced2c297cc1b 245 sdi_write(endFillByte);
christi_s 1:ced2c297cc1b 246
christi_s 1:ced2c297cc1b 247 // set SCI MODE bit SM CANCEL
christi_s 1:ced2c297cc1b 248 unsigned short sciModeByte = sci_read(SCI_MODE);
christi_s 1:ced2c297cc1b 249 sciModeByte |= SM_CANCEL;
christi_s 1:ced2c297cc1b 250 sci_write(SCI_MODE, sciModeByte);
christi_s 1:ced2c297cc1b 251
christi_s 1:ced2c297cc1b 252 // send up 2048 bytes of endFillByte[7:0].
christi_s 1:ced2c297cc1b 253 for (int i = 0; i < 64; i++)
christi_s 1:ced2c297cc1b 254 {
christi_s 1:ced2c297cc1b 255 // send at least 32 bytes of endFillByte[7:0]
christi_s 1:ced2c297cc1b 256 for (int n = 0; n < 32; n++)
christi_s 1:ced2c297cc1b 257 sdi_write(endFillByte);
christi_s 1:ced2c297cc1b 258 // read SCI MODE; if SM CANCEL is still set, repeat
christi_s 1:ced2c297cc1b 259 sciModeByte = sci_read(SCI_MODE);
christi_s 1:ced2c297cc1b 260 if ((sciModeByte & SM_CANCEL) == 0x0000)
christi_s 1:ced2c297cc1b 261 {
christi_s 1:ced2c297cc1b 262 break;
christi_s 1:ced2c297cc1b 263 }
christi_s 1:ced2c297cc1b 264 }
christi_s 1:ced2c297cc1b 265
christi_s 1:ced2c297cc1b 266 if ((sciModeByte & SM_CANCEL) == 0x0000)
christi_s 1:ced2c297cc1b 267 {
christi_s 2:5bab956cb59e 268 DEBUGOUT("VS1053b: Song sucessfully sent. Terminating OK\r\n");
christi_s 2:5bab956cb59e 269 DEBUGOUT("VS1053b: SCI MODE = %#x, SM_CANCEL = %#x\r\n", sciModeByte, sciModeByte & SM_CANCEL);
christi_s 1:ced2c297cc1b 270 }
christi_s 1:ced2c297cc1b 271 else
christi_s 1:ced2c297cc1b 272 {
christi_s 2:5bab956cb59e 273 DEBUGOUT("VS1053b: SM CANCEL hasn't cleared after sending 2048 bytes, do software reset\r\n");
christi_s 2:5bab956cb59e 274 DEBUGOUT("VS1053b: SCI MODE = %#x, SM_CANCEL = %#x\r\n", sciModeByte, sciModeByte & SM_CANCEL);
christi_s 1:ced2c297cc1b 275 //TODO: testing
christi_s 1:ced2c297cc1b 276 initialize();
christi_s 1:ced2c297cc1b 277 }
christi_s 0:7728d9c6c487 278 }
christi_s 0:7728d9c6c487 279
christi_s 0:7728d9c6c487 280 void VS1053::write_plugin(const unsigned short *plugin, unsigned int len) {
christi_s 0:7728d9c6c487 281 unsigned int i;
christi_s 0:7728d9c6c487 282 unsigned short addr, n, val;
christi_s 0:7728d9c6c487 283
christi_s 0:7728d9c6c487 284 for (i=0; i<len;) {
christi_s 0:7728d9c6c487 285 addr = plugin[i++];
christi_s 0:7728d9c6c487 286 n = plugin[i++];
christi_s 0:7728d9c6c487 287 if (n & 0x8000U) { //RLE run, replicate n samples
christi_s 0:7728d9c6c487 288 n &= 0x7FFF;
christi_s 0:7728d9c6c487 289 val = plugin[i++];
christi_s 0:7728d9c6c487 290 while (n--) {
christi_s 0:7728d9c6c487 291 sci_write(addr,val);
christi_s 0:7728d9c6c487 292 }
christi_s 0:7728d9c6c487 293 } else { //copy run, copy n sample
christi_s 0:7728d9c6c487 294 while (n--) {
christi_s 0:7728d9c6c487 295 val = plugin[i++];
christi_s 0:7728d9c6c487 296 sci_write(addr,val);
christi_s 0:7728d9c6c487 297 }
christi_s 0:7728d9c6c487 298 }
christi_s 0:7728d9c6c487 299 }
christi_s 0:7728d9c6c487 300
christi_s 0:7728d9c6c487 301 return;
christi_s 0:7728d9c6c487 302 }
christi_s 0:7728d9c6c487 303
christi_s 0:7728d9c6c487 304
christi_s 1:ced2c297cc1b 305 bool VS1053::initialize(void) {
christi_s 0:7728d9c6c487 306 _RST = 1;
christi_s 0:7728d9c6c487 307 cs_high(); //chip disabled
christi_s 1:ced2c297cc1b 308 spi_initialise(); //initialise MBED
christi_s 1:ced2c297cc1b 309
christi_s 1:ced2c297cc1b 310 sci_write(SCI_MODE, (SM_SDINEW+SM_RESET)); // set mode reg.
christi_s 0:7728d9c6c487 311 wait_ms(10);
christi_s 1:ced2c297cc1b 312
christi_s 1:ced2c297cc1b 313 #ifdef DEBUG
christi_s 1:ced2c297cc1b 314 unsigned int info = wram_read(para_chipID_0);
christi_s 2:5bab956cb59e 315 DEBUGOUT("VS1053b: ChipID_0:%04X\r\n", info);
christi_s 1:ced2c297cc1b 316 info = wram_read(para_chipID_1);
christi_s 2:5bab956cb59e 317 DEBUGOUT("VS1053b: ChipID_1:%04X\r\n", info);
christi_s 1:ced2c297cc1b 318 info = wram_read(para_version);
christi_s 2:5bab956cb59e 319 DEBUGOUT("VS1053b: Structure version:%04X\r\n", info);
christi_s 0:7728d9c6c487 320 #endif
christi_s 1:ced2c297cc1b 321
christi_s 0:7728d9c6c487 322 //get chip version, set clock multiplier and load patch
christi_s 1:ced2c297cc1b 323 int i = (sci_read(SCI_STATUS) & 0xF0) >> 4;
christi_s 0:7728d9c6c487 324 if (i == 4) {
christi_s 2:5bab956cb59e 325
christi_s 2:5bab956cb59e 326 DEBUGOUT("VS1053b: Installed Chip is: VS1053\r\n");
christi_s 2:5bab956cb59e 327
christi_s 1:ced2c297cc1b 328 sci_write(SCI_CLOCKF, (SC_MULT_XTALIx50));
christi_s 1:ced2c297cc1b 329 wait_ms(10);
christi_s 0:7728d9c6c487 330 #ifdef VS_PATCH
christi_s 0:7728d9c6c487 331 // loading patch
christi_s 1:ced2c297cc1b 332 write_plugin(vs1053b_patch, sizeof(vs1053b_patch)/2);
christi_s 2:5bab956cb59e 333
christi_s 2:5bab956cb59e 334 DEBUGOUT("VS1053b: Patch is loaded.\r\n");
christi_s 2:5bab956cb59e 335 DEBUGOUT("VS1053b: Patch size:%d bytes\r\n",sizeof(vs1053b_patch));
christi_s 1:ced2c297cc1b 336
christi_s 1:ced2c297cc1b 337 #endif // VS_PATCH
christi_s 1:ced2c297cc1b 338 }
christi_s 1:ced2c297cc1b 339 else
christi_s 1:ced2c297cc1b 340 {
christi_s 2:5bab956cb59e 341 DEBUGOUT("VS1053b: Not Supported Chip\r\n");
christi_s 1:ced2c297cc1b 342 return false;
christi_s 1:ced2c297cc1b 343 }
christi_s 1:ced2c297cc1b 344
christi_s 1:ced2c297cc1b 345 // change spi to higher speed
christi_s 1:ced2c297cc1b 346 sdi_initialise();
christi_s 1:ced2c297cc1b 347 changeVolume();
christi_s 1:ced2c297cc1b 348 return true;
christi_s 0:7728d9c6c487 349 }
christi_s 0:7728d9c6c487 350
christi_s 1:ced2c297cc1b 351 void VS1053::setVolume(float vol)
christi_s 1:ced2c297cc1b 352 {
christi_s 1:ced2c297cc1b 353 if (vol > -0.5)
christi_s 1:ced2c297cc1b 354 _volume = -0.5;
christi_s 1:ced2c297cc1b 355 else
christi_s 1:ced2c297cc1b 356 _volume = vol;
christi_s 1:ced2c297cc1b 357
christi_s 1:ced2c297cc1b 358 changeVolume();
christi_s 1:ced2c297cc1b 359 }
christi_s 1:ced2c297cc1b 360
christi_s 1:ced2c297cc1b 361 float VS1053::getVolume(void)
christi_s 1:ced2c297cc1b 362 {
christi_s 1:ced2c297cc1b 363 return _volume;
christi_s 0:7728d9c6c487 364 }
christi_s 1:ced2c297cc1b 365
christi_s 1:ced2c297cc1b 366 void VS1053::setBalance(float balance)
christi_s 1:ced2c297cc1b 367 {
christi_s 1:ced2c297cc1b 368 _balance = balance;
christi_s 1:ced2c297cc1b 369
christi_s 1:ced2c297cc1b 370 changeVolume();
christi_s 1:ced2c297cc1b 371 }
christi_s 1:ced2c297cc1b 372
christi_s 1:ced2c297cc1b 373 float VS1053::getBalance(void)
christi_s 1:ced2c297cc1b 374 {
christi_s 1:ced2c297cc1b 375 return _balance;
christi_s 1:ced2c297cc1b 376 }
christi_s 1:ced2c297cc1b 377
christi_s 1:ced2c297cc1b 378 void VS1053::changeVolume(void)
christi_s 1:ced2c297cc1b 379 {
christi_s 1:ced2c297cc1b 380 // volume calculation
christi_s 1:ced2c297cc1b 381 unsigned short volCalced = (((char)(_volume / -0.5f)) << 8) + (char)((_volume - _balance) / -0.5f);
christi_s 1:ced2c297cc1b 382
christi_s 2:5bab956cb59e 383 sci_write(SCI_VOL, volCalced);
christi_s 2:5bab956cb59e 384
christi_s 2:5bab956cb59e 385 DEBUGOUT("VS1053b: Change volume to %#x (%f, Balance = %f)\r\n", volCalced, _volume, _balance);
christi_s 2:5bab956cb59e 386 }
christi_s 2:5bab956cb59e 387
christi_s 2:5bab956cb59e 388 int VS1053::getTrebleFrequency(void)
christi_s 2:5bab956cb59e 389 {
christi_s 2:5bab956cb59e 390 return _st_freqlimit * 1000;
christi_s 2:5bab956cb59e 391 }
christi_s 2:5bab956cb59e 392
christi_s 2:5bab956cb59e 393
christi_s 2:5bab956cb59e 394 void VS1053::setTrebleFrequency(int frequency)
christi_s 2:5bab956cb59e 395 {
christi_s 2:5bab956cb59e 396 frequency /= 1000;
christi_s 2:5bab956cb59e 397
christi_s 2:5bab956cb59e 398 if(frequency < 1)
christi_s 2:5bab956cb59e 399 {
christi_s 2:5bab956cb59e 400 frequency = 1;
christi_s 2:5bab956cb59e 401 }
christi_s 2:5bab956cb59e 402 else if(frequency > 15)
christi_s 2:5bab956cb59e 403 {
christi_s 2:5bab956cb59e 404 frequency = 15;
christi_s 2:5bab956cb59e 405 }
christi_s 2:5bab956cb59e 406 _st_freqlimit = frequency;
christi_s 2:5bab956cb59e 407 changeBass();
christi_s 2:5bab956cb59e 408 }
christi_s 2:5bab956cb59e 409
christi_s 2:5bab956cb59e 410 int VS1053::getTrebleAmplitude(void)
christi_s 2:5bab956cb59e 411 {
christi_s 2:5bab956cb59e 412 return _st_amplitude;
christi_s 2:5bab956cb59e 413 }
christi_s 2:5bab956cb59e 414
christi_s 2:5bab956cb59e 415 void VS1053::setTrebleAmplitude(int amplitude)
christi_s 2:5bab956cb59e 416 {
christi_s 2:5bab956cb59e 417 if(amplitude < -8)
christi_s 2:5bab956cb59e 418 {
christi_s 2:5bab956cb59e 419 amplitude = -8;
christi_s 2:5bab956cb59e 420 }
christi_s 2:5bab956cb59e 421 else if(amplitude > 7)
christi_s 2:5bab956cb59e 422 {
christi_s 2:5bab956cb59e 423 amplitude = 7;
christi_s 2:5bab956cb59e 424 }
christi_s 2:5bab956cb59e 425 _st_amplitude = amplitude;
christi_s 2:5bab956cb59e 426 changeBass();
christi_s 2:5bab956cb59e 427 }
christi_s 1:ced2c297cc1b 428
christi_s 2:5bab956cb59e 429 int VS1053::getBassFrequency(void)
christi_s 2:5bab956cb59e 430 {
christi_s 2:5bab956cb59e 431 return _sb_freqlimit * 10;
christi_s 2:5bab956cb59e 432 }
christi_s 2:5bab956cb59e 433
christi_s 2:5bab956cb59e 434 void VS1053::setBassFrequency(int frequency)
christi_s 2:5bab956cb59e 435 {
christi_s 2:5bab956cb59e 436 frequency /= 10;
christi_s 2:5bab956cb59e 437
christi_s 2:5bab956cb59e 438 if(frequency < 2)
christi_s 2:5bab956cb59e 439 {
christi_s 2:5bab956cb59e 440 frequency = 2;
christi_s 2:5bab956cb59e 441 }
christi_s 2:5bab956cb59e 442 else if(frequency > 15)
christi_s 2:5bab956cb59e 443 {
christi_s 2:5bab956cb59e 444 frequency = 15;
christi_s 2:5bab956cb59e 445 }
christi_s 2:5bab956cb59e 446 _sb_freqlimit = frequency;
christi_s 2:5bab956cb59e 447 changeBass();
christi_s 2:5bab956cb59e 448 }
christi_s 2:5bab956cb59e 449
christi_s 2:5bab956cb59e 450 int VS1053::getBassAmplitude(void)
christi_s 2:5bab956cb59e 451 {
christi_s 2:5bab956cb59e 452 return _sb_amplitude;
christi_s 1:ced2c297cc1b 453 }
christi_s 2:5bab956cb59e 454
christi_s 2:5bab956cb59e 455 void VS1053::setBassAmplitude(int amplitude)
christi_s 2:5bab956cb59e 456 {
christi_s 2:5bab956cb59e 457 if(amplitude < -15)
christi_s 2:5bab956cb59e 458 {
christi_s 2:5bab956cb59e 459 amplitude = -15;
christi_s 2:5bab956cb59e 460 }
christi_s 2:5bab956cb59e 461 else if(amplitude > 0)
christi_s 2:5bab956cb59e 462 {
christi_s 2:5bab956cb59e 463 amplitude = 0;
christi_s 2:5bab956cb59e 464 }
christi_s 2:5bab956cb59e 465 _sb_amplitude = amplitude;
christi_s 2:5bab956cb59e 466 changeBass();
christi_s 2:5bab956cb59e 467 }
christi_s 2:5bab956cb59e 468
christi_s 2:5bab956cb59e 469 void VS1053::changeBass(void)
christi_s 2:5bab956cb59e 470 {
christi_s 2:5bab956cb59e 471 unsigned short bassCalced = ((_st_amplitude & 0x0f) << 12)
christi_s 2:5bab956cb59e 472 | ((_st_freqlimit & 0x0f) << 8)
christi_s 2:5bab956cb59e 473 | ((_sb_amplitude & 0x0f) << 4)
christi_s 2:5bab956cb59e 474 | ((_sb_freqlimit & 0x0f) << 0);
christi_s 2:5bab956cb59e 475
christi_s 2:5bab956cb59e 476 sci_write(SCI_BASS, bassCalced);
christi_s 2:5bab956cb59e 477
christi_s 2:5bab956cb59e 478 DEBUGOUT("VS1053b: Change bass settings to:\r\n")
christi_s 2:5bab956cb59e 479 DEBUGOUT("VS1053b: --Treble: Amplitude=%i, Frequency=%i\r\n", getTrebleAmplitude(), getTrebleFrequency());
christi_s 2:5bab956cb59e 480 DEBUGOUT("VS1053b: --Bass: Amplitude=%i, Frequency=%i\r\n", getBassAmplitude(), getBassFrequency());
christi_s 2:5bab956cb59e 481 }