EmbeddedArtists AB / Mbed 2 deprecated lpc4088_ebb_ptp

Production Test Program (PTP) for the LPC4088 Experiment Base Board

Dependencies:   EALib I2S LM75B SDFileSystem mbed

WM8731.cpp@3:7ef908e84ae1, 2014-09-08 (annotated)

Committer:
embeddedartists
Date:
Mon Sep 08 11:34:53 2014 +0000
Revision:
3:7ef908e84ae1
Parent:
0:0d5190d379d3
Child:
4:aa34674b6afb
Added audio test. Shortened RGB LED startup sequence and added message for user when uSD card not inserted to explain the long delay.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 3:7ef908e84ae1 1 /**
embeddedartists 3:7ef908e84ae1 2 *
embeddedartists 3:7ef908e84ae1 3 * @section LICENSE
embeddedartists 3:7ef908e84ae1 4 *
embeddedartists 3:7ef908e84ae1 5 * Copyright (c) 2012 mbed
embeddedartists 3:7ef908e84ae1 6 *
embeddedartists 3:7ef908e84ae1 7 * Permission is hereby granted, free of charge, to any person obtaining a copy
embeddedartists 3:7ef908e84ae1 8 * of this software and associated documentation files (the "Software"), to deal
embeddedartists 3:7ef908e84ae1 9 * in the Software without restriction, including without limitation the rights
embeddedartists 3:7ef908e84ae1 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
embeddedartists 3:7ef908e84ae1 11 * copies of the Software, and to permit persons to whom the Software is
embeddedartists 3:7ef908e84ae1 12 * furnished to do so, subject to the following conditions:
embeddedartists 3:7ef908e84ae1 13 *
embeddedartists 3:7ef908e84ae1 14 * The above copyright notice and this permission notice shall be included in
embeddedartists 3:7ef908e84ae1 15 * all copies or substantial portions of the Software.
embeddedartists 3:7ef908e84ae1 16 *
embeddedartists 3:7ef908e84ae1 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
embeddedartists 3:7ef908e84ae1 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
embeddedartists 3:7ef908e84ae1 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
embeddedartists 3:7ef908e84ae1 20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
embeddedartists 3:7ef908e84ae1 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
embeddedartists 3:7ef908e84ae1 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
embeddedartists 3:7ef908e84ae1 23 * THE SOFTWARE.
embeddedartists 3:7ef908e84ae1 24 *
embeddedartists 3:7ef908e84ae1 25 * @section DESCRIPTION
embeddedartists 3:7ef908e84ae1 26 * A Driver set for the I2C half of the WM8731. Based on the WM8731
embeddedartists 3:7ef908e84ae1 27 * code http://mbed.org/users/p07gbar/code/WM8731/
embeddedartists 3:7ef908e84ae1 28 *
embeddedartists 3:7ef908e84ae1 29 */
embeddedartists 0:0d5190d379d3 30
embeddedartists 0:0d5190d379d3 31 #include "WM8731.h"
embeddedartists 0:0d5190d379d3 32
embeddedartists 3:7ef908e84ae1 33 #define WM8731_HP_VOL_DF_MASK 0x80
embeddedartists 0:0d5190d379d3 34
embeddedartists 0:0d5190d379d3 35
embeddedartists 3:7ef908e84ae1 36 #define WM8731_DF_hp_vol_left 0.5
embeddedartists 3:7ef908e84ae1 37 #define WM8731_DF_hp_vol_right 0.5
embeddedartists 3:7ef908e84ae1 38 #define WM8731_DF_li_vol_left 0.5
embeddedartists 3:7ef908e84ae1 39 #define WM8731_DF_li_vol_right 0.5
embeddedartists 3:7ef908e84ae1 40 #define WM8731_DF_sdt_vol 0
embeddedartists 3:7ef908e84ae1 41
embeddedartists 3:7ef908e84ae1 42 const uint8_t base_address = 0x1A;
embeddedartists 0:0d5190d379d3 43
embeddedartists 0:0d5190d379d3 44
embeddedartists 3:7ef908e84ae1 45 WM8731::WM8731(PinName i2c_sda, PinName i2c_scl): i2c(i2c_sda,i2c_scl) {
embeddedartists 3:7ef908e84ae1 46 address = base_address;
embeddedartists 3:7ef908e84ae1 47 defaulter();
embeddedartists 3:7ef908e84ae1 48 form_cmd(all);
embeddedartists 3:7ef908e84ae1 49 }
embeddedartists 3:7ef908e84ae1 50
embeddedartists 3:7ef908e84ae1 51 WM8731::WM8731(PinName i2c_sda, PinName i2c_scl, bool cs_level): i2c(i2c_sda,i2c_scl) {
embeddedartists 3:7ef908e84ae1 52 address = base_address + (1*cs_level);
embeddedartists 3:7ef908e84ae1 53 defaulter();
embeddedartists 3:7ef908e84ae1 54 form_cmd(all);
embeddedartists 3:7ef908e84ae1 55 }
embeddedartists 3:7ef908e84ae1 56
embeddedartists 3:7ef908e84ae1 57 void WM8731::power(bool on_off) {
embeddedartists 3:7ef908e84ae1 58 device_all_pwr = on_off;
embeddedartists 3:7ef908e84ae1 59 form_cmd(power_control);
embeddedartists 3:7ef908e84ae1 60 }
embeddedartists 3:7ef908e84ae1 61
embeddedartists 3:7ef908e84ae1 62 void WM8731::input_select(int input) {
embeddedartists 3:7ef908e84ae1 63
embeddedartists 3:7ef908e84ae1 64 switch(input)
embeddedartists 3:7ef908e84ae1 65 {
embeddedartists 3:7ef908e84ae1 66 case WM8731_NO_IN:
embeddedartists 3:7ef908e84ae1 67 device_adc_pwr = false;
embeddedartists 3:7ef908e84ae1 68 device_mic_pwr = false;
embeddedartists 3:7ef908e84ae1 69 device_lni_pwr = false;
embeddedartists 3:7ef908e84ae1 70 form_cmd(power_control);
embeddedartists 3:7ef908e84ae1 71 break;
embeddedartists 3:7ef908e84ae1 72 case WM8731_LINE:
embeddedartists 3:7ef908e84ae1 73 device_adc_pwr = true;
embeddedartists 3:7ef908e84ae1 74 device_lni_pwr = true;
embeddedartists 3:7ef908e84ae1 75 device_mic_pwr = false;
embeddedartists 3:7ef908e84ae1 76 ADC_source = WM8731_LINE;
embeddedartists 3:7ef908e84ae1 77 form_cmd(power_control);
embeddedartists 3:7ef908e84ae1 78 form_cmd(path_analog);
embeddedartists 3:7ef908e84ae1 79 break;
embeddedartists 3:7ef908e84ae1 80 case WM8731_MIC:
embeddedartists 3:7ef908e84ae1 81 device_adc_pwr = true;
embeddedartists 3:7ef908e84ae1 82 device_lni_pwr = true;
embeddedartists 3:7ef908e84ae1 83 device_mic_pwr = true;
embeddedartists 3:7ef908e84ae1 84 ADC_source = WM8731_MIC;
embeddedartists 3:7ef908e84ae1 85 form_cmd(power_control);
embeddedartists 3:7ef908e84ae1 86 form_cmd(path_analog);
embeddedartists 3:7ef908e84ae1 87 break;
embeddedartists 3:7ef908e84ae1 88 default:
embeddedartists 3:7ef908e84ae1 89 device_adc_pwr = df_device_adc_pwr;
embeddedartists 3:7ef908e84ae1 90 device_mic_pwr = df_device_mic_pwr;
embeddedartists 3:7ef908e84ae1 91 device_lni_pwr = df_device_lni_pwr;
embeddedartists 3:7ef908e84ae1 92 ADC_source = df_ADC_source;
embeddedartists 3:7ef908e84ae1 93 form_cmd(power_control);
embeddedartists 3:7ef908e84ae1 94 form_cmd(path_analog);
embeddedartists 3:7ef908e84ae1 95 break;
embeddedartists 3:7ef908e84ae1 96 }
embeddedartists 3:7ef908e84ae1 97 ADC_source_old = ADC_source;
embeddedartists 3:7ef908e84ae1 98 }
embeddedartists 3:7ef908e84ae1 99
embeddedartists 3:7ef908e84ae1 100 void WM8731::headphone_volume(float h_volume) {
embeddedartists 3:7ef908e84ae1 101 hp_vol_left = h_volume;
embeddedartists 3:7ef908e84ae1 102 hp_vol_right = h_volume;
embeddedartists 3:7ef908e84ae1 103 form_cmd(headphone_vol_left);
embeddedartists 3:7ef908e84ae1 104 form_cmd(headphone_vol_right);
embeddedartists 3:7ef908e84ae1 105 }
embeddedartists 3:7ef908e84ae1 106
embeddedartists 3:7ef908e84ae1 107 void WM8731::linein_volume(float li_volume) {
embeddedartists 3:7ef908e84ae1 108 li_vol_left = li_volume;
embeddedartists 3:7ef908e84ae1 109 li_vol_right = li_volume;
embeddedartists 3:7ef908e84ae1 110 form_cmd(line_in_vol_left);
embeddedartists 3:7ef908e84ae1 111 form_cmd(line_in_vol_right);
embeddedartists 3:7ef908e84ae1 112 }
embeddedartists 3:7ef908e84ae1 113
embeddedartists 3:7ef908e84ae1 114 void WM8731::microphone_boost(bool mic_boost) {
embeddedartists 3:7ef908e84ae1 115 mic_boost_ = mic_boost;
embeddedartists 3:7ef908e84ae1 116 }
embeddedartists 3:7ef908e84ae1 117
embeddedartists 3:7ef908e84ae1 118 void WM8731::input_mute(bool mute) {
embeddedartists 3:7ef908e84ae1 119 if(ADC_source == WM8731_MIC)
embeddedartists 3:7ef908e84ae1 120 {
embeddedartists 3:7ef908e84ae1 121 mic_mute = mute;
embeddedartists 3:7ef908e84ae1 122 form_cmd(path_analog);
embeddedartists 3:7ef908e84ae1 123 }
embeddedartists 3:7ef908e84ae1 124 else
embeddedartists 3:7ef908e84ae1 125 {
embeddedartists 3:7ef908e84ae1 126 li_mute_left = mute;
embeddedartists 3:7ef908e84ae1 127 li_mute_right = mute;
embeddedartists 3:7ef908e84ae1 128 form_cmd(line_in_vol_left);
embeddedartists 3:7ef908e84ae1 129 form_cmd(line_in_vol_right);
embeddedartists 3:7ef908e84ae1 130 }
embeddedartists 3:7ef908e84ae1 131 }
embeddedartists 3:7ef908e84ae1 132
embeddedartists 3:7ef908e84ae1 133 void WM8731::output_mute(bool mute) {
embeddedartists 3:7ef908e84ae1 134 out_mute = mute;
embeddedartists 3:7ef908e84ae1 135 form_cmd(path_digital);
embeddedartists 3:7ef908e84ae1 136 }
embeddedartists 3:7ef908e84ae1 137
embeddedartists 3:7ef908e84ae1 138 void WM8731::input_power(bool on_off) {
embeddedartists 3:7ef908e84ae1 139
embeddedartists 3:7ef908e84ae1 140 device_adc_pwr = on_off;
embeddedartists 3:7ef908e84ae1 141
embeddedartists 3:7ef908e84ae1 142 if(ADC_source == WM8731_MIC)
embeddedartists 3:7ef908e84ae1 143 {
embeddedartists 3:7ef908e84ae1 144 device_mic_pwr = on_off;
embeddedartists 3:7ef908e84ae1 145 device_lni_pwr = on_off;
embeddedartists 3:7ef908e84ae1 146 }
embeddedartists 3:7ef908e84ae1 147 else
embeddedartists 3:7ef908e84ae1 148 {
embeddedartists 3:7ef908e84ae1 149 device_mic_pwr = false;
embeddedartists 3:7ef908e84ae1 150 device_lni_pwr = on_off;
embeddedartists 3:7ef908e84ae1 151 }
embeddedartists 3:7ef908e84ae1 152
embeddedartists 3:7ef908e84ae1 153 form_cmd(power_control);
embeddedartists 3:7ef908e84ae1 154 }
embeddedartists 3:7ef908e84ae1 155
embeddedartists 3:7ef908e84ae1 156 void WM8731::output_power(bool on_off) {
embeddedartists 3:7ef908e84ae1 157 device_dac_pwr = on_off;
embeddedartists 3:7ef908e84ae1 158 device_out_pwr = on_off;
embeddedartists 3:7ef908e84ae1 159
embeddedartists 3:7ef908e84ae1 160 form_cmd(power_control);
embeddedartists 3:7ef908e84ae1 161 }
embeddedartists 3:7ef908e84ae1 162
embeddedartists 3:7ef908e84ae1 163 void WM8731::wordsize(int words) {
embeddedartists 3:7ef908e84ae1 164 device_bitlength = words;
embeddedartists 3:7ef908e84ae1 165 form_cmd(interface_format);
embeddedartists 3:7ef908e84ae1 166 }
embeddedartists 3:7ef908e84ae1 167
embeddedartists 3:7ef908e84ae1 168 void WM8731::master(bool master) {
embeddedartists 3:7ef908e84ae1 169 device_master = master;
embeddedartists 3:7ef908e84ae1 170 form_cmd(interface_format);
embeddedartists 3:7ef908e84ae1 171 }
embeddedartists 3:7ef908e84ae1 172
embeddedartists 3:7ef908e84ae1 173 void WM8731::frequency(int freq) {
embeddedartists 3:7ef908e84ae1 174 ADC_rate = freq;
embeddedartists 3:7ef908e84ae1 175 DAC_rate = freq;
embeddedartists 3:7ef908e84ae1 176 form_cmd(sample_rate);
embeddedartists 3:7ef908e84ae1 177 }
embeddedartists 3:7ef908e84ae1 178
embeddedartists 3:7ef908e84ae1 179 void WM8731::input_highpass(bool enabled) {
embeddedartists 3:7ef908e84ae1 180 ADC_highpass_enable = enabled;
embeddedartists 3:7ef908e84ae1 181 form_cmd(path_digital);
embeddedartists 3:7ef908e84ae1 182 }
embeddedartists 3:7ef908e84ae1 183
embeddedartists 3:7ef908e84ae1 184 void WM8731::output_softmute(bool enabled) {
embeddedartists 3:7ef908e84ae1 185 out_mute = enabled;
embeddedartists 3:7ef908e84ae1 186 form_cmd(path_digital);
embeddedartists 3:7ef908e84ae1 187 }
embeddedartists 3:7ef908e84ae1 188
embeddedartists 3:7ef908e84ae1 189 void WM8731::interface_switch(bool on_off) {
embeddedartists 3:7ef908e84ae1 190 device_interface_active = on_off;
embeddedartists 3:7ef908e84ae1 191 form_cmd(interface_activation);
embeddedartists 3:7ef908e84ae1 192 }
embeddedartists 3:7ef908e84ae1 193
embeddedartists 3:7ef908e84ae1 194 void WM8731::sidetone(float sidetone_vol) {
embeddedartists 3:7ef908e84ae1 195 sdt_vol = sidetone_vol;
embeddedartists 3:7ef908e84ae1 196 form_cmd(path_analog);
embeddedartists 3:7ef908e84ae1 197 }
embeddedartists 3:7ef908e84ae1 198
embeddedartists 3:7ef908e84ae1 199 void WM8731::deemphasis(char code) {
embeddedartists 3:7ef908e84ae1 200 de_emph_code = code & 0x03;
embeddedartists 3:7ef908e84ae1 201 form_cmd(path_digital);
embeddedartists 3:7ef908e84ae1 202 }
embeddedartists 3:7ef908e84ae1 203
embeddedartists 3:7ef908e84ae1 204 void WM8731::reset() {
embeddedartists 3:7ef908e84ae1 205 form_cmd(reset_reg);
embeddedartists 3:7ef908e84ae1 206 }
embeddedartists 3:7ef908e84ae1 207
embeddedartists 3:7ef908e84ae1 208 void WM8731::start() {
embeddedartists 3:7ef908e84ae1 209 interface_switch(true);
embeddedartists 3:7ef908e84ae1 210 }
embeddedartists 3:7ef908e84ae1 211
embeddedartists 3:7ef908e84ae1 212 void WM8731::bypass(bool enable) {
embeddedartists 3:7ef908e84ae1 213 bypass_ = enable;
embeddedartists 3:7ef908e84ae1 214 form_cmd(path_analog);
embeddedartists 3:7ef908e84ae1 215 }
embeddedartists 3:7ef908e84ae1 216
embeddedartists 3:7ef908e84ae1 217 void WM8731::stop() {
embeddedartists 3:7ef908e84ae1 218 interface_switch(false);
embeddedartists 3:7ef908e84ae1 219 }
embeddedartists 3:7ef908e84ae1 220
embeddedartists 3:7ef908e84ae1 221 void WM8731::command(reg_address add, uint16_t cmd) {
embeddedartists 3:7ef908e84ae1 222 char temp[2];
embeddedartists 3:7ef908e84ae1 223 temp[0] = (char(add)<<1) | ((cmd >> 6) & 0x01);
embeddedartists 3:7ef908e84ae1 224 temp[1] = (cmd & 0xFF);
embeddedartists 3:7ef908e84ae1 225 i2c.write((address<<1), temp, 2);
embeddedartists 0:0d5190d379d3 226 }
embeddedartists 0:0d5190d379d3 227
embeddedartists 3:7ef908e84ae1 228 void WM8731::form_cmd(reg_address add) {
embeddedartists 3:7ef908e84ae1 229 uint16_t cmd = 0;
embeddedartists 3:7ef908e84ae1 230 int temp = 0;
embeddedartists 3:7ef908e84ae1 231 bool mute;
embeddedartists 3:7ef908e84ae1 232 switch(add)
embeddedartists 3:7ef908e84ae1 233 {
embeddedartists 3:7ef908e84ae1 234 case line_in_vol_left:
embeddedartists 3:7ef908e84ae1 235 temp = int(li_vol_left * 32) - 1;
embeddedartists 3:7ef908e84ae1 236 mute = li_mute_left;
embeddedartists 3:7ef908e84ae1 237
embeddedartists 3:7ef908e84ae1 238 if(temp < 0)
embeddedartists 3:7ef908e84ae1 239 {
embeddedartists 3:7ef908e84ae1 240 temp = 0;
embeddedartists 3:7ef908e84ae1 241 mute = true;
embeddedartists 3:7ef908e84ae1 242 }
embeddedartists 3:7ef908e84ae1 243 cmd = temp & 0x1F;
embeddedartists 3:7ef908e84ae1 244 cmd |= mute << 7;
embeddedartists 3:7ef908e84ae1 245 break;
embeddedartists 3:7ef908e84ae1 246 case line_in_vol_right:
embeddedartists 3:7ef908e84ae1 247 temp = int(li_vol_right * 32) - 1;
embeddedartists 3:7ef908e84ae1 248 mute = li_mute_right;
embeddedartists 3:7ef908e84ae1 249 if(temp < 0)
embeddedartists 3:7ef908e84ae1 250 {
embeddedartists 3:7ef908e84ae1 251 temp = 0;
embeddedartists 3:7ef908e84ae1 252 mute = true;
embeddedartists 3:7ef908e84ae1 253 }
embeddedartists 3:7ef908e84ae1 254 cmd = temp & 0x1F;
embeddedartists 3:7ef908e84ae1 255 cmd |= mute << 7;
embeddedartists 3:7ef908e84ae1 256 break;
embeddedartists 3:7ef908e84ae1 257
embeddedartists 3:7ef908e84ae1 258 case headphone_vol_left:
embeddedartists 3:7ef908e84ae1 259 temp = int(hp_vol_left * 80) + 47;
embeddedartists 3:7ef908e84ae1 260 cmd = WM8731_HP_VOL_DF_MASK;
embeddedartists 3:7ef908e84ae1 261 cmd |= temp & 0x7F;
embeddedartists 3:7ef908e84ae1 262 break;
embeddedartists 3:7ef908e84ae1 263 case headphone_vol_right:
embeddedartists 3:7ef908e84ae1 264 temp = int(hp_vol_right * 80) + 47;
embeddedartists 3:7ef908e84ae1 265 cmd = WM8731_HP_VOL_DF_MASK;
embeddedartists 3:7ef908e84ae1 266 cmd |= temp & 0x7F;
embeddedartists 3:7ef908e84ae1 267 break;
embeddedartists 3:7ef908e84ae1 268
embeddedartists 3:7ef908e84ae1 269 case path_analog:
embeddedartists 3:7ef908e84ae1 270 temp = int(sdt_vol * 5);
embeddedartists 3:7ef908e84ae1 271 char vol_code = 0;
embeddedartists 3:7ef908e84ae1 272 switch(temp)
embeddedartists 3:7ef908e84ae1 273 {
embeddedartists 3:7ef908e84ae1 274 case 5:
embeddedartists 3:7ef908e84ae1 275 vol_code = 0x0C;
embeddedartists 3:7ef908e84ae1 276 break;
embeddedartists 3:7ef908e84ae1 277 case 0:
embeddedartists 3:7ef908e84ae1 278 vol_code = 0x00;
embeddedartists 3:7ef908e84ae1 279 break;
embeddedartists 3:7ef908e84ae1 280 default:
embeddedartists 3:7ef908e84ae1 281 vol_code = ((0x04 - temp)&0x07) | 0x08;
embeddedartists 3:7ef908e84ae1 282 break;
embeddedartists 3:7ef908e84ae1 283 }
embeddedartists 3:7ef908e84ae1 284 cmd = 0x20;//vol_code << 5;
embeddedartists 3:7ef908e84ae1 285 cmd |= 1 << 4;
embeddedartists 3:7ef908e84ae1 286 cmd |= bypass_ << 3;
embeddedartists 3:7ef908e84ae1 287 cmd |= ADC_source << 2;
embeddedartists 3:7ef908e84ae1 288 cmd |= mic_mute << 1;
embeddedartists 3:7ef908e84ae1 289 cmd |= mic_boost_;
embeddedartists 3:7ef908e84ae1 290 break;
embeddedartists 3:7ef908e84ae1 291
embeddedartists 3:7ef908e84ae1 292 case path_digital:
embeddedartists 3:7ef908e84ae1 293 cmd |= out_mute << 3;
embeddedartists 3:7ef908e84ae1 294 cmd |= ((de_emph_code & 0x3) << 1);
embeddedartists 3:7ef908e84ae1 295 cmd |= ADC_highpass_enable;
embeddedartists 3:7ef908e84ae1 296 break;
embeddedartists 3:7ef908e84ae1 297
embeddedartists 3:7ef908e84ae1 298 case power_control:
embeddedartists 3:7ef908e84ae1 299 cmd |= !device_all_pwr << 7;
embeddedartists 3:7ef908e84ae1 300 cmd |= !device_clk_pwr << 6;
embeddedartists 3:7ef908e84ae1 301 cmd |= !device_osc_pwr << 5;
embeddedartists 3:7ef908e84ae1 302 cmd |= !device_out_pwr << 4;
embeddedartists 3:7ef908e84ae1 303 cmd |= !device_dac_pwr << 3;
embeddedartists 3:7ef908e84ae1 304 cmd |= !device_adc_pwr << 2;
embeddedartists 3:7ef908e84ae1 305 cmd |= !device_mic_pwr << 1;
embeddedartists 3:7ef908e84ae1 306 cmd |= !device_lni_pwr << 0;
embeddedartists 3:7ef908e84ae1 307 break;
embeddedartists 3:7ef908e84ae1 308
embeddedartists 3:7ef908e84ae1 309 case interface_format:
embeddedartists 3:7ef908e84ae1 310 cmd |= device_master << 6;
embeddedartists 3:7ef908e84ae1 311 cmd |= device_lrswap << 5;
embeddedartists 3:7ef908e84ae1 312 cmd |= device_lrws << 4;
embeddedartists 3:7ef908e84ae1 313 temp = 0;
embeddedartists 3:7ef908e84ae1 314 switch(device_bitlength)
embeddedartists 3:7ef908e84ae1 315 {
embeddedartists 3:7ef908e84ae1 316 case 16:
embeddedartists 3:7ef908e84ae1 317 temp = 0;
embeddedartists 3:7ef908e84ae1 318 break;
embeddedartists 3:7ef908e84ae1 319 case 20:
embeddedartists 3:7ef908e84ae1 320 temp = 1;
embeddedartists 3:7ef908e84ae1 321 break;
embeddedartists 3:7ef908e84ae1 322 case 24:
embeddedartists 3:7ef908e84ae1 323 temp = 2;
embeddedartists 3:7ef908e84ae1 324 break;
embeddedartists 3:7ef908e84ae1 325 case 32:
embeddedartists 3:7ef908e84ae1 326 temp = 3;
embeddedartists 3:7ef908e84ae1 327 break;
embeddedartists 3:7ef908e84ae1 328 }
embeddedartists 3:7ef908e84ae1 329 cmd |= (temp & 0x03) << 2;
embeddedartists 3:7ef908e84ae1 330 cmd |= (device_data_form & 0x03);
embeddedartists 3:7ef908e84ae1 331 break;
embeddedartists 3:7ef908e84ae1 332
embeddedartists 3:7ef908e84ae1 333 case sample_rate:
embeddedartists 3:7ef908e84ae1 334 temp = gen_samplerate();
embeddedartists 3:7ef908e84ae1 335 cmd = device_usb_mode;
embeddedartists 3:7ef908e84ae1 336 cmd |= (temp & 0x1f) << 1;
embeddedartists 3:7ef908e84ae1 337 cmd |= device_clk_in_div << 6;
embeddedartists 3:7ef908e84ae1 338 cmd |= device_clk_out_div << 7;
embeddedartists 3:7ef908e84ae1 339 break;
embeddedartists 3:7ef908e84ae1 340
embeddedartists 3:7ef908e84ae1 341 case interface_activation:
embeddedartists 3:7ef908e84ae1 342 cmd = device_interface_active;
embeddedartists 3:7ef908e84ae1 343 break;
embeddedartists 3:7ef908e84ae1 344
embeddedartists 3:7ef908e84ae1 345 case reset_reg:
embeddedartists 3:7ef908e84ae1 346 cmd = 0;
embeddedartists 3:7ef908e84ae1 347 break;
embeddedartists 3:7ef908e84ae1 348
embeddedartists 3:7ef908e84ae1 349 case all:
embeddedartists 3:7ef908e84ae1 350 for( int i = line_in_vol_left; i <= reset_reg; i++)
embeddedartists 3:7ef908e84ae1 351 {
embeddedartists 3:7ef908e84ae1 352 form_cmd((reg_address)i);
embeddedartists 3:7ef908e84ae1 353 }
embeddedartists 3:7ef908e84ae1 354 break;
embeddedartists 3:7ef908e84ae1 355 }
embeddedartists 3:7ef908e84ae1 356 if(add != all) command(add , cmd);
embeddedartists 0:0d5190d379d3 357 }
embeddedartists 0:0d5190d379d3 358
embeddedartists 3:7ef908e84ae1 359 void WM8731::defaulter() {
embeddedartists 3:7ef908e84ae1 360 hp_vol_left = WM8731_DF_hp_vol_left;
embeddedartists 3:7ef908e84ae1 361 hp_vol_right = WM8731_DF_hp_vol_right;
embeddedartists 3:7ef908e84ae1 362 li_vol_left = WM8731_DF_li_vol_left;
embeddedartists 3:7ef908e84ae1 363 li_vol_right = WM8731_DF_li_vol_right;
embeddedartists 3:7ef908e84ae1 364 sdt_vol = WM8731_DF_sdt_vol;
embeddedartists 3:7ef908e84ae1 365 bypass_ = df_bypass_;
embeddedartists 3:7ef908e84ae1 366
embeddedartists 3:7ef908e84ae1 367 ADC_source = df_ADC_source;
embeddedartists 3:7ef908e84ae1 368 ADC_source_old = df_ADC_source;
embeddedartists 3:7ef908e84ae1 369
embeddedartists 3:7ef908e84ae1 370 mic_mute = df_mic_mute;
embeddedartists 3:7ef908e84ae1 371 li_mute_left = df_li_mute_left;
embeddedartists 3:7ef908e84ae1 372 li_mute_right = df_li_mute_right;
embeddedartists 3:7ef908e84ae1 373
embeddedartists 3:7ef908e84ae1 374
embeddedartists 3:7ef908e84ae1 375 mic_boost_ = df_mic_boost_;
embeddedartists 3:7ef908e84ae1 376 out_mute = df_out_mute;
embeddedartists 3:7ef908e84ae1 377 de_emph_code = df_de_emph_code;
embeddedartists 3:7ef908e84ae1 378 ADC_highpass_enable = df_ADC_highpass_enable;
embeddedartists 3:7ef908e84ae1 379
embeddedartists 3:7ef908e84ae1 380 device_all_pwr = df_device_all_pwr;
embeddedartists 3:7ef908e84ae1 381 device_clk_pwr = df_device_clk_pwr;
embeddedartists 3:7ef908e84ae1 382 device_osc_pwr = df_device_osc_pwr;
embeddedartists 3:7ef908e84ae1 383 device_out_pwr = df_device_out_pwr;
embeddedartists 3:7ef908e84ae1 384 device_dac_pwr = df_device_dac_pwr;
embeddedartists 3:7ef908e84ae1 385 device_adc_pwr = df_device_dac_pwr;
embeddedartists 3:7ef908e84ae1 386 device_mic_pwr = df_device_mic_pwr;
embeddedartists 3:7ef908e84ae1 387 device_lni_pwr = df_device_lni_pwr;
embeddedartists 3:7ef908e84ae1 388
embeddedartists 3:7ef908e84ae1 389 device_master = df_device_master;
embeddedartists 3:7ef908e84ae1 390 device_lrswap = df_device_lrswap;
embeddedartists 3:7ef908e84ae1 391 device_lrws = df_device_lrws;
embeddedartists 3:7ef908e84ae1 392 device_bitlength = df_device_bitlength;
embeddedartists 0:0d5190d379d3 393
embeddedartists 3:7ef908e84ae1 394
embeddedartists 3:7ef908e84ae1 395 ADC_rate = df_ADC_rate;
embeddedartists 3:7ef908e84ae1 396 DAC_rate = df_DAC_rate;
embeddedartists 3:7ef908e84ae1 397
embeddedartists 3:7ef908e84ae1 398 device_interface_active = df_device_interface_active;
embeddedartists 3:7ef908e84ae1 399 }
embeddedartists 3:7ef908e84ae1 400
embeddedartists 3:7ef908e84ae1 401 char WM8731::gen_samplerate() {
embeddedartists 3:7ef908e84ae1 402 char temp = 0;
embeddedartists 3:7ef908e84ae1 403 switch(ADC_rate)
embeddedartists 3:7ef908e84ae1 404 {
embeddedartists 3:7ef908e84ae1 405 case 96000:
embeddedartists 3:7ef908e84ae1 406 temp = 0x0E;
embeddedartists 3:7ef908e84ae1 407 break;
embeddedartists 3:7ef908e84ae1 408 case 48000:
embeddedartists 3:7ef908e84ae1 409 temp = 0x00;
embeddedartists 3:7ef908e84ae1 410 if(DAC_rate == 8000) temp = 0x02;
embeddedartists 3:7ef908e84ae1 411 break;
embeddedartists 3:7ef908e84ae1 412 case 32000:
embeddedartists 3:7ef908e84ae1 413 temp = 0x0C;
embeddedartists 3:7ef908e84ae1 414 break;
embeddedartists 3:7ef908e84ae1 415 case 8000:
embeddedartists 3:7ef908e84ae1 416 temp = 0x06;
embeddedartists 3:7ef908e84ae1 417 if(DAC_rate == 48000) temp = 0x04;
embeddedartists 3:7ef908e84ae1 418 break;
embeddedartists 3:7ef908e84ae1 419 default:
embeddedartists 3:7ef908e84ae1 420 temp = 0x00;
embeddedartists 3:7ef908e84ae1 421 break;
embeddedartists 3:7ef908e84ae1 422 }
embeddedartists 3:7ef908e84ae1 423 return temp;
embeddedartists 3:7ef908e84ae1 424 }