Mohsen Samadani / Mbed 2 deprecated Algorithm-testing

Code for measuring the signal with a specified length and sampling rate, and saving it on a SD card.

Dependencies:   EALib I2S mbed

Audio/WM8731.cpp@2:8c5b6522139f, 2017-10-05 (annotated)

Committer:
msamadani
Date:
Thu Oct 05 17:44:39 2017 +0000
Revision:
2:8c5b6522139f
Parent:
0:c05b00be2229 
A version of the code that initializes the SD RAM, activates the codec, measures the signal and saves the signal onto the SD Card.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
msamadani 0:c05b00be2229 1 /**
msamadani 0:c05b00be2229 2 *
msamadani 0:c05b00be2229 3 * @section LICENSE
msamadani 0:c05b00be2229 4 *
msamadani 0:c05b00be2229 5 * Copyright (c) 2012 mbed
msamadani 0:c05b00be2229 6 *
msamadani 0:c05b00be2229 7 * Permission is hereby granted, free of charge, to any person obtaining a copy
msamadani 0:c05b00be2229 8 * of this software and associated documentation files (the "Software"), to deal
msamadani 0:c05b00be2229 9 * in the Software without restriction, including without limitation the rights
msamadani 0:c05b00be2229 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
msamadani 0:c05b00be2229 11 * copies of the Software, and to permit persons to whom the Software is
msamadani 0:c05b00be2229 12 * furnished to do so, subject to the following conditions:
msamadani 0:c05b00be2229 13 *
msamadani 0:c05b00be2229 14 * The above copyright notice and this permission notice shall be included in
msamadani 0:c05b00be2229 15 * all copies or substantial portions of the Software.
msamadani 0:c05b00be2229 16 *
msamadani 0:c05b00be2229 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
msamadani 0:c05b00be2229 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
msamadani 0:c05b00be2229 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
msamadani 0:c05b00be2229 20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
msamadani 0:c05b00be2229 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
msamadani 0:c05b00be2229 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
msamadani 0:c05b00be2229 23 * THE SOFTWARE.
msamadani 0:c05b00be2229 24 *
msamadani 0:c05b00be2229 25 * @section DESCRIPTION
msamadani 0:c05b00be2229 26 * A Driver set for the I2C half of the WM8731. Based on the WM8731
msamadani 0:c05b00be2229 27 * code http://mbed.org/users/p07gbar/code/WM8731/
msamadani 0:c05b00be2229 28 *
msamadani 0:c05b00be2229 29 */
msamadani 0:c05b00be2229 30
msamadani 0:c05b00be2229 31 #include "WM8731.h"
msamadani 0:c05b00be2229 32
msamadani 0:c05b00be2229 33 #define WM8731_HP_VOL_DF_MASK 0x80
msamadani 0:c05b00be2229 34
msamadani 0:c05b00be2229 35
msamadani 0:c05b00be2229 36 #define WM8731_DF_hp_vol_left 0.5
msamadani 0:c05b00be2229 37 #define WM8731_DF_hp_vol_right 0.5
msamadani 0:c05b00be2229 38 #define WM8731_DF_li_vol_left 0.5
msamadani 0:c05b00be2229 39 #define WM8731_DF_li_vol_right 0.5
msamadani 0:c05b00be2229 40 #define WM8731_DF_sdt_vol 0
msamadani 0:c05b00be2229 41
msamadani 0:c05b00be2229 42 const uint8_t base_address = 0x1A;
msamadani 0:c05b00be2229 43
msamadani 0:c05b00be2229 44
msamadani 0:c05b00be2229 45 WM8731::WM8731(PinName i2c_sda, PinName i2c_scl): i2c(i2c_sda,i2c_scl) {
msamadani 0:c05b00be2229 46 address = base_address;
msamadani 0:c05b00be2229 47 defaulter();
msamadani 0:c05b00be2229 48 form_cmd(all);
msamadani 0:c05b00be2229 49 }
msamadani 0:c05b00be2229 50
msamadani 0:c05b00be2229 51 WM8731::WM8731(PinName i2c_sda, PinName i2c_scl, bool cs_level): i2c(i2c_sda,i2c_scl) {
msamadani 0:c05b00be2229 52 address = base_address + (1*cs_level);
msamadani 0:c05b00be2229 53 defaulter();
msamadani 0:c05b00be2229 54 form_cmd(all);
msamadani 0:c05b00be2229 55 }
msamadani 0:c05b00be2229 56
msamadani 0:c05b00be2229 57 void WM8731::power(bool on_off) {
msamadani 0:c05b00be2229 58 device_all_pwr = on_off;
msamadani 0:c05b00be2229 59 form_cmd(power_control);
msamadani 0:c05b00be2229 60 }
msamadani 0:c05b00be2229 61
msamadani 0:c05b00be2229 62 void WM8731::input_select(int input) {
msamadani 0:c05b00be2229 63
msamadani 0:c05b00be2229 64 switch(input)
msamadani 0:c05b00be2229 65 {
msamadani 0:c05b00be2229 66 case WM8731_NO_IN:
msamadani 0:c05b00be2229 67 device_adc_pwr = false;
msamadani 0:c05b00be2229 68 device_mic_pwr = false;
msamadani 0:c05b00be2229 69 device_lni_pwr = false;
msamadani 0:c05b00be2229 70 form_cmd(power_control);
msamadani 0:c05b00be2229 71 break;
msamadani 0:c05b00be2229 72 case WM8731_LINE:
msamadani 0:c05b00be2229 73 device_adc_pwr = true;
msamadani 0:c05b00be2229 74 device_lni_pwr = true;
msamadani 0:c05b00be2229 75 device_mic_pwr = false;
msamadani 0:c05b00be2229 76 ADC_source = WM8731_LINE;
msamadani 0:c05b00be2229 77 form_cmd(power_control);
msamadani 0:c05b00be2229 78 form_cmd(path_analog);
msamadani 0:c05b00be2229 79 break;
msamadani 0:c05b00be2229 80 case WM8731_MIC:
msamadani 0:c05b00be2229 81 device_adc_pwr = true;
msamadani 0:c05b00be2229 82 device_lni_pwr = true;
msamadani 0:c05b00be2229 83 device_mic_pwr = true;
msamadani 0:c05b00be2229 84 ADC_source = WM8731_MIC;
msamadani 0:c05b00be2229 85 form_cmd(power_control);
msamadani 0:c05b00be2229 86 form_cmd(path_analog);
msamadani 0:c05b00be2229 87 break;
msamadani 0:c05b00be2229 88 default:
msamadani 0:c05b00be2229 89 device_adc_pwr = df_device_adc_pwr;
msamadani 0:c05b00be2229 90 device_mic_pwr = df_device_mic_pwr;
msamadani 0:c05b00be2229 91 device_lni_pwr = df_device_lni_pwr;
msamadani 0:c05b00be2229 92 ADC_source = df_ADC_source;
msamadani 0:c05b00be2229 93 form_cmd(power_control);
msamadani 0:c05b00be2229 94 form_cmd(path_analog);
msamadani 0:c05b00be2229 95 break;
msamadani 0:c05b00be2229 96 }
msamadani 0:c05b00be2229 97 ADC_source_old = ADC_source;
msamadani 0:c05b00be2229 98 }
msamadani 0:c05b00be2229 99
msamadani 0:c05b00be2229 100 void WM8731::headphone_volume(float h_volume) {
msamadani 0:c05b00be2229 101 hp_vol_left = h_volume;
msamadani 0:c05b00be2229 102 hp_vol_right = h_volume;
msamadani 0:c05b00be2229 103 form_cmd(headphone_vol_left);
msamadani 0:c05b00be2229 104 form_cmd(headphone_vol_right);
msamadani 0:c05b00be2229 105 }
msamadani 0:c05b00be2229 106
msamadani 0:c05b00be2229 107 void WM8731::linein_volume(float li_volume) {
msamadani 0:c05b00be2229 108 li_vol_left = li_volume;
msamadani 0:c05b00be2229 109 li_vol_right = li_volume;
msamadani 0:c05b00be2229 110 form_cmd(line_in_vol_left);
msamadani 0:c05b00be2229 111 form_cmd(line_in_vol_right);
msamadani 0:c05b00be2229 112 }
msamadani 0:c05b00be2229 113
msamadani 0:c05b00be2229 114 void WM8731::microphone_boost(bool mic_boost) {
msamadani 0:c05b00be2229 115 mic_boost_ = mic_boost;
msamadani 0:c05b00be2229 116 }
msamadani 0:c05b00be2229 117
msamadani 0:c05b00be2229 118 void WM8731::input_mute(bool mute) {
msamadani 0:c05b00be2229 119 if(ADC_source == WM8731_MIC)
msamadani 0:c05b00be2229 120 {
msamadani 0:c05b00be2229 121 mic_mute = mute;
msamadani 0:c05b00be2229 122 form_cmd(path_analog);
msamadani 0:c05b00be2229 123 }
msamadani 0:c05b00be2229 124 else
msamadani 0:c05b00be2229 125 {
msamadani 0:c05b00be2229 126 li_mute_left = mute;
msamadani 0:c05b00be2229 127 li_mute_right = mute;
msamadani 0:c05b00be2229 128 form_cmd(line_in_vol_left);
msamadani 0:c05b00be2229 129 form_cmd(line_in_vol_right);
msamadani 0:c05b00be2229 130 }
msamadani 0:c05b00be2229 131 }
msamadani 0:c05b00be2229 132
msamadani 0:c05b00be2229 133 void WM8731::output_mute(bool mute) {
msamadani 0:c05b00be2229 134 out_mute = mute;
msamadani 0:c05b00be2229 135 form_cmd(path_digital);
msamadani 0:c05b00be2229 136 }
msamadani 0:c05b00be2229 137
msamadani 0:c05b00be2229 138 void WM8731::input_power(bool on_off) {
msamadani 0:c05b00be2229 139
msamadani 0:c05b00be2229 140 device_adc_pwr = on_off;
msamadani 0:c05b00be2229 141
msamadani 0:c05b00be2229 142 if(ADC_source == WM8731_MIC)
msamadani 0:c05b00be2229 143 {
msamadani 0:c05b00be2229 144 device_mic_pwr = on_off;
msamadani 0:c05b00be2229 145 device_lni_pwr = on_off;
msamadani 0:c05b00be2229 146 }
msamadani 0:c05b00be2229 147 else
msamadani 0:c05b00be2229 148 {
msamadani 0:c05b00be2229 149 device_mic_pwr = false;
msamadani 0:c05b00be2229 150 device_lni_pwr = on_off;
msamadani 0:c05b00be2229 151 }
msamadani 0:c05b00be2229 152
msamadani 0:c05b00be2229 153 form_cmd(power_control);
msamadani 0:c05b00be2229 154 }
msamadani 0:c05b00be2229 155
msamadani 0:c05b00be2229 156 void WM8731::output_power(bool on_off) {
msamadani 0:c05b00be2229 157 device_dac_pwr = on_off;
msamadani 0:c05b00be2229 158 device_out_pwr = on_off;
msamadani 0:c05b00be2229 159
msamadani 0:c05b00be2229 160 form_cmd(power_control);
msamadani 0:c05b00be2229 161 }
msamadani 0:c05b00be2229 162
msamadani 0:c05b00be2229 163 void WM8731::wordsize(int words) {
msamadani 0:c05b00be2229 164 device_bitlength = words;
msamadani 0:c05b00be2229 165 form_cmd(interface_format);
msamadani 0:c05b00be2229 166 }
msamadani 0:c05b00be2229 167
msamadani 0:c05b00be2229 168 void WM8731::master(bool master) {
msamadani 0:c05b00be2229 169 device_master = master;
msamadani 0:c05b00be2229 170 form_cmd(interface_format);
msamadani 0:c05b00be2229 171 }
msamadani 0:c05b00be2229 172
msamadani 0:c05b00be2229 173 void WM8731::frequency(int freq) {
msamadani 0:c05b00be2229 174 ADC_rate = freq;
msamadani 0:c05b00be2229 175 DAC_rate = freq;
msamadani 0:c05b00be2229 176 form_cmd(sample_rate);
msamadani 0:c05b00be2229 177 }
msamadani 0:c05b00be2229 178
msamadani 0:c05b00be2229 179 void WM8731::input_highpass(bool enabled) {
msamadani 0:c05b00be2229 180 ADC_highpass_enable = enabled;
msamadani 0:c05b00be2229 181 form_cmd(path_digital);
msamadani 0:c05b00be2229 182 }
msamadani 0:c05b00be2229 183
msamadani 0:c05b00be2229 184 void WM8731::output_softmute(bool enabled) {
msamadani 0:c05b00be2229 185 out_mute = enabled;
msamadani 0:c05b00be2229 186 form_cmd(path_digital);
msamadani 0:c05b00be2229 187 }
msamadani 0:c05b00be2229 188
msamadani 0:c05b00be2229 189 void WM8731::interface_switch(bool on_off) {
msamadani 0:c05b00be2229 190 device_interface_active = on_off;
msamadani 0:c05b00be2229 191 form_cmd(interface_activation);
msamadani 0:c05b00be2229 192 }
msamadani 0:c05b00be2229 193
msamadani 0:c05b00be2229 194 void WM8731::sidetone(float sidetone_vol) {
msamadani 0:c05b00be2229 195 sdt_vol = sidetone_vol;
msamadani 0:c05b00be2229 196 form_cmd(path_analog);
msamadani 0:c05b00be2229 197 }
msamadani 0:c05b00be2229 198
msamadani 0:c05b00be2229 199 void WM8731::deemphasis(char code) {
msamadani 0:c05b00be2229 200 de_emph_code = code & 0x03;
msamadani 0:c05b00be2229 201 form_cmd(path_digital);
msamadani 0:c05b00be2229 202 }
msamadani 0:c05b00be2229 203
msamadani 0:c05b00be2229 204 void WM8731::reset() {
msamadani 0:c05b00be2229 205 form_cmd(reset_reg);
msamadani 0:c05b00be2229 206 }
msamadani 0:c05b00be2229 207
msamadani 0:c05b00be2229 208 void WM8731::start() {
msamadani 0:c05b00be2229 209 interface_switch(true);
msamadani 0:c05b00be2229 210 }
msamadani 0:c05b00be2229 211
msamadani 0:c05b00be2229 212 void WM8731::bypass(bool enable) {
msamadani 0:c05b00be2229 213 bypass_ = enable;
msamadani 0:c05b00be2229 214 form_cmd(path_analog);
msamadani 0:c05b00be2229 215 }
msamadani 0:c05b00be2229 216
msamadani 0:c05b00be2229 217 void WM8731::stop() {
msamadani 0:c05b00be2229 218 interface_switch(false);
msamadani 0:c05b00be2229 219 }
msamadani 0:c05b00be2229 220
msamadani 0:c05b00be2229 221 void WM8731::command(reg_address add, uint16_t cmd) {
msamadani 0:c05b00be2229 222 char temp[2];
msamadani 0:c05b00be2229 223 temp[0] = (char(add)<<1) | ((cmd >> 6) & 0x01);
msamadani 0:c05b00be2229 224 temp[1] = (cmd & 0xFF);
msamadani 0:c05b00be2229 225 i2c.write((address<<1), temp, 2);
msamadani 0:c05b00be2229 226 }
msamadani 0:c05b00be2229 227
msamadani 0:c05b00be2229 228 void WM8731::form_cmd(reg_address add) {
msamadani 0:c05b00be2229 229 uint16_t cmd = 0;
msamadani 0:c05b00be2229 230 int temp = 0;
msamadani 0:c05b00be2229 231 bool mute;
msamadani 0:c05b00be2229 232 switch(add)
msamadani 0:c05b00be2229 233 {
msamadani 0:c05b00be2229 234 case line_in_vol_left:
msamadani 0:c05b00be2229 235 temp = int(li_vol_left * 32) - 1;
msamadani 0:c05b00be2229 236 mute = li_mute_left;
msamadani 0:c05b00be2229 237
msamadani 0:c05b00be2229 238 if(temp < 0)
msamadani 0:c05b00be2229 239 {
msamadani 0:c05b00be2229 240 temp = 0;
msamadani 0:c05b00be2229 241 mute = true;
msamadani 0:c05b00be2229 242 }
msamadani 0:c05b00be2229 243 cmd = temp & 0x1F;
msamadani 0:c05b00be2229 244 cmd |= mute << 7;
msamadani 0:c05b00be2229 245 break;
msamadani 0:c05b00be2229 246 case line_in_vol_right:
msamadani 0:c05b00be2229 247 temp = int(li_vol_right * 32) - 1;
msamadani 0:c05b00be2229 248 mute = li_mute_right;
msamadani 0:c05b00be2229 249 if(temp < 0)
msamadani 0:c05b00be2229 250 {
msamadani 0:c05b00be2229 251 temp = 0;
msamadani 0:c05b00be2229 252 mute = true;
msamadani 0:c05b00be2229 253 }
msamadani 0:c05b00be2229 254 cmd = temp & 0x1F;
msamadani 0:c05b00be2229 255 cmd |= mute << 7;
msamadani 0:c05b00be2229 256 break;
msamadani 0:c05b00be2229 257
msamadani 0:c05b00be2229 258 case headphone_vol_left:
msamadani 0:c05b00be2229 259 temp = int(hp_vol_left * 80) + 47;
msamadani 0:c05b00be2229 260 cmd = WM8731_HP_VOL_DF_MASK;
msamadani 0:c05b00be2229 261 cmd |= temp & 0x7F;
msamadani 0:c05b00be2229 262 break;
msamadani 0:c05b00be2229 263 case headphone_vol_right:
msamadani 0:c05b00be2229 264 temp = int(hp_vol_right * 80) + 47;
msamadani 0:c05b00be2229 265 cmd = WM8731_HP_VOL_DF_MASK;
msamadani 0:c05b00be2229 266 cmd |= temp & 0x7F;
msamadani 0:c05b00be2229 267 break;
msamadani 0:c05b00be2229 268
msamadani 0:c05b00be2229 269 case path_analog:
msamadani 0:c05b00be2229 270 temp = int(sdt_vol * 4);
msamadani 0:c05b00be2229 271 char vol_code = 0;
msamadani 0:c05b00be2229 272 switch(temp)
msamadani 0:c05b00be2229 273 {
msamadani 0:c05b00be2229 274 case 4:
msamadani 0:c05b00be2229 275 vol_code = 0x01;
msamadani 0:c05b00be2229 276 break;
msamadani 0:c05b00be2229 277 case 0:
msamadani 0:c05b00be2229 278 vol_code = 0x00;
msamadani 0:c05b00be2229 279 break;
msamadani 0:c05b00be2229 280 default:
msamadani 0:c05b00be2229 281 vol_code = (((0x04 - temp)&0x03) << 1) | 0x01;
msamadani 0:c05b00be2229 282 break;
msamadani 0:c05b00be2229 283 }
msamadani 0:c05b00be2229 284 cmd = vol_code << 5;
msamadani 0:c05b00be2229 285 cmd |= 1 << 4;
msamadani 0:c05b00be2229 286 cmd |= bypass_ << 3;
msamadani 0:c05b00be2229 287 cmd |= ADC_source << 2;
msamadani 0:c05b00be2229 288 cmd |= mic_mute << 1;
msamadani 0:c05b00be2229 289 cmd |= mic_boost_;
msamadani 0:c05b00be2229 290 break;
msamadani 0:c05b00be2229 291
msamadani 0:c05b00be2229 292 case path_digital:
msamadani 0:c05b00be2229 293 cmd |= out_mute << 3;
msamadani 0:c05b00be2229 294 cmd |= ((de_emph_code & 0x3) << 1);
msamadani 0:c05b00be2229 295 cmd |= ADC_highpass_enable;
msamadani 0:c05b00be2229 296 break;
msamadani 0:c05b00be2229 297
msamadani 0:c05b00be2229 298 case power_control:
msamadani 0:c05b00be2229 299 cmd |= !device_all_pwr << 7;
msamadani 0:c05b00be2229 300 cmd |= !device_clk_pwr << 6;
msamadani 0:c05b00be2229 301 cmd |= !device_osc_pwr << 5;
msamadani 0:c05b00be2229 302 cmd |= !device_out_pwr << 4;
msamadani 0:c05b00be2229 303 cmd |= !device_dac_pwr << 3;
msamadani 0:c05b00be2229 304 cmd |= !device_adc_pwr << 2;
msamadani 0:c05b00be2229 305 cmd |= !device_mic_pwr << 1;
msamadani 0:c05b00be2229 306 cmd |= !device_lni_pwr << 0;
msamadani 0:c05b00be2229 307 break;
msamadani 0:c05b00be2229 308
msamadani 0:c05b00be2229 309 case interface_format:
msamadani 0:c05b00be2229 310 cmd |= device_master << 6;
msamadani 0:c05b00be2229 311 cmd |= device_lrswap << 5;
msamadani 0:c05b00be2229 312 cmd |= device_lrws << 4;
msamadani 0:c05b00be2229 313 temp = 0;
msamadani 0:c05b00be2229 314 switch(device_bitlength)
msamadani 0:c05b00be2229 315 {
msamadani 0:c05b00be2229 316 case 16:
msamadani 0:c05b00be2229 317 temp = 0;
msamadani 0:c05b00be2229 318 break;
msamadani 0:c05b00be2229 319 case 20:
msamadani 0:c05b00be2229 320 temp = 1;
msamadani 0:c05b00be2229 321 break;
msamadani 0:c05b00be2229 322 case 24:
msamadani 0:c05b00be2229 323 temp = 2;
msamadani 0:c05b00be2229 324 break;
msamadani 0:c05b00be2229 325 case 32:
msamadani 0:c05b00be2229 326 temp = 3;
msamadani 0:c05b00be2229 327 break;
msamadani 0:c05b00be2229 328 }
msamadani 0:c05b00be2229 329 cmd |= (temp & 0x03) << 2;
msamadani 0:c05b00be2229 330 cmd |= (device_data_form & 0x03);
msamadani 0:c05b00be2229 331 break;
msamadani 0:c05b00be2229 332
msamadani 0:c05b00be2229 333 case sample_rate:
msamadani 0:c05b00be2229 334 temp = gen_samplerate();
msamadani 0:c05b00be2229 335 cmd = device_usb_mode;
msamadani 0:c05b00be2229 336 cmd |= (temp & 0x1f) << 1;
msamadani 0:c05b00be2229 337 cmd |= device_clk_in_div << 6;
msamadani 0:c05b00be2229 338 cmd |= device_clk_out_div << 7;
msamadani 0:c05b00be2229 339 break;
msamadani 0:c05b00be2229 340
msamadani 0:c05b00be2229 341 case interface_activation:
msamadani 0:c05b00be2229 342 cmd = device_interface_active;
msamadani 0:c05b00be2229 343 break;
msamadani 0:c05b00be2229 344
msamadani 0:c05b00be2229 345 case reset_reg:
msamadani 0:c05b00be2229 346 cmd = 0;
msamadani 0:c05b00be2229 347 break;
msamadani 0:c05b00be2229 348
msamadani 0:c05b00be2229 349 case all:
msamadani 0:c05b00be2229 350 for( int i = line_in_vol_left; i <= reset_reg; i++)
msamadani 0:c05b00be2229 351 {
msamadani 0:c05b00be2229 352 form_cmd((reg_address)i);
msamadani 0:c05b00be2229 353 }
msamadani 0:c05b00be2229 354 break;
msamadani 0:c05b00be2229 355 }
msamadani 0:c05b00be2229 356 if(add != all) command(add , cmd);
msamadani 0:c05b00be2229 357 }
msamadani 0:c05b00be2229 358
msamadani 0:c05b00be2229 359 void WM8731::defaulter() {
msamadani 0:c05b00be2229 360 hp_vol_left = WM8731_DF_hp_vol_left;
msamadani 0:c05b00be2229 361 hp_vol_right = WM8731_DF_hp_vol_right;
msamadani 0:c05b00be2229 362 li_vol_left = WM8731_DF_li_vol_left;
msamadani 0:c05b00be2229 363 li_vol_right = WM8731_DF_li_vol_right;
msamadani 0:c05b00be2229 364 sdt_vol = WM8731_DF_sdt_vol;
msamadani 0:c05b00be2229 365 bypass_ = df_bypass_;
msamadani 0:c05b00be2229 366
msamadani 0:c05b00be2229 367 ADC_source = df_ADC_source;
msamadani 0:c05b00be2229 368 ADC_source_old = df_ADC_source;
msamadani 0:c05b00be2229 369
msamadani 0:c05b00be2229 370 mic_mute = df_mic_mute;
msamadani 0:c05b00be2229 371 li_mute_left = df_li_mute_left;
msamadani 0:c05b00be2229 372 li_mute_right = df_li_mute_right;
msamadani 0:c05b00be2229 373
msamadani 0:c05b00be2229 374
msamadani 0:c05b00be2229 375 mic_boost_ = df_mic_boost_;
msamadani 0:c05b00be2229 376 out_mute = df_out_mute;
msamadani 0:c05b00be2229 377 de_emph_code = df_de_emph_code;
msamadani 0:c05b00be2229 378 ADC_highpass_enable = df_ADC_highpass_enable;
msamadani 0:c05b00be2229 379
msamadani 0:c05b00be2229 380 device_all_pwr = df_device_all_pwr;
msamadani 0:c05b00be2229 381 device_clk_pwr = df_device_clk_pwr;
msamadani 0:c05b00be2229 382 device_osc_pwr = df_device_osc_pwr;
msamadani 0:c05b00be2229 383 device_out_pwr = df_device_out_pwr;
msamadani 0:c05b00be2229 384 device_dac_pwr = df_device_dac_pwr;
msamadani 0:c05b00be2229 385 device_adc_pwr = df_device_dac_pwr;
msamadani 0:c05b00be2229 386 device_mic_pwr = df_device_mic_pwr;
msamadani 0:c05b00be2229 387 device_lni_pwr = df_device_lni_pwr;
msamadani 0:c05b00be2229 388
msamadani 0:c05b00be2229 389 device_master = df_device_master;
msamadani 0:c05b00be2229 390 device_lrswap = df_device_lrswap;
msamadani 0:c05b00be2229 391 device_lrws = df_device_lrws;
msamadani 0:c05b00be2229 392 device_bitlength = df_device_bitlength;
msamadani 0:c05b00be2229 393
msamadani 0:c05b00be2229 394
msamadani 0:c05b00be2229 395 ADC_rate = df_ADC_rate;
msamadani 0:c05b00be2229 396 DAC_rate = df_DAC_rate;
msamadani 0:c05b00be2229 397
msamadani 0:c05b00be2229 398 device_interface_active = df_device_interface_active;
msamadani 0:c05b00be2229 399 }
msamadani 0:c05b00be2229 400
msamadani 0:c05b00be2229 401 char WM8731::gen_samplerate() {
msamadani 0:c05b00be2229 402 char temp = 0;
msamadani 0:c05b00be2229 403 switch(ADC_rate)
msamadani 0:c05b00be2229 404 {
msamadani 0:c05b00be2229 405 case 96000:
msamadani 0:c05b00be2229 406 temp = 0x0E;
msamadani 0:c05b00be2229 407 break;
msamadani 0:c05b00be2229 408 case 48000:
msamadani 0:c05b00be2229 409 temp = 0x00;
msamadani 0:c05b00be2229 410 if(DAC_rate == 8000) temp = 0x02;
msamadani 0:c05b00be2229 411 break;
msamadani 0:c05b00be2229 412 case 32000:
msamadani 0:c05b00be2229 413 temp = 0x0C;
msamadani 0:c05b00be2229 414 break;
msamadani 0:c05b00be2229 415 case 8000:
msamadani 0:c05b00be2229 416 temp = 0x06;
msamadani 0:c05b00be2229 417 if(DAC_rate == 48000) temp = 0x04;
msamadani 0:c05b00be2229 418 break;
msamadani 0:c05b00be2229 419 default:
msamadani 0:c05b00be2229 420 temp = 0x00;
msamadani 0:c05b00be2229 421 break;
msamadani 0:c05b00be2229 422 }
msamadani 0:c05b00be2229 423 return temp;
msamadani 0:c05b00be2229 424 }