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@7:48375cb50f3a, 2014-09-25 (annotated)

Committer:
embeddedartists
Date:
Thu Sep 25 07:17:44 2014 +0000
Revision:
7:48375cb50f3a
Parent:
4:aa34674b6afb 
Fixed audio test volume issues and issues with the touch controller.

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 4:aa34674b6afb 270 temp = int(sdt_vol * 4);
embeddedartists 3:7ef908e84ae1 271 char vol_code = 0;
embeddedartists 3:7ef908e84ae1 272 switch(temp)
embeddedartists 3:7ef908e84ae1 273 {
embeddedartists 4:aa34674b6afb 274 case 4:
embeddedartists 4:aa34674b6afb 275 vol_code = 0x01;
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 4:aa34674b6afb 281 vol_code = (((0x04 - temp)&0x03) << 1) | 0x01;
embeddedartists 3:7ef908e84ae1 282 break;
embeddedartists 3:7ef908e84ae1 283 }
embeddedartists 4:aa34674b6afb 284 cmd = 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 }