mirror of
https://github.com/sle118/squeezelite-esp32.git
synced 2025-12-06 19:47:02 +03:00
431 lines
12 KiB
C
431 lines
12 KiB
C
/*
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* ESPRESSIF MIT License
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*
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* Copyright (c) 2018 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
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*
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* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
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* it is free of charge, to any person obtaining a copy of this software and associated
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* documentation files (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <string.h>
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#include <esp_log.h>
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#include <esp_types.h>
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#include <esp_system.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/task.h>
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#include <driver/i2c.h>
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#include "adac.h"
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//#include "audio_hal.h"
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#include "ac101.h"
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const static char TAG[] = "AC101";
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#define AC_ASSERT(a, format, b, ...) \
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if ((a) != 0) { \
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ESP_LOGE(TAG, format, ##__VA_ARGS__); \
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return b;\
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}
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static bool init(int i2c_port_num, int i2s_num, i2s_config_t *config);
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static void deinit(void);
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static void speaker(bool active);
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static void headset(bool active);
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static void volume(unsigned left, unsigned right);
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static void power(adac_power_e mode);
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struct adac_s dac_a1s = { init, deinit, power, speaker, headset, volume };
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static esp_err_t i2c_write_reg(uint8_t reg, uint16_t val);
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static uint16_t i2c_read_reg(uint8_t reg);
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static esp_err_t ac101_start(ac_module_t mode);
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static esp_err_t ac101_stop(void);
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static esp_err_t ac101_set_earph_volume(uint8_t volume);
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static esp_err_t ac101_set_spk_volume(uint8_t volume);
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//static void pa_power(bool enable);
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static int i2c_port;
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/****************************************************************************************
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* init
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*/
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static bool init(int i2c_port_num, int i2s_num, i2s_config_t *i2s_config) {
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esp_err_t res;
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ESP_LOGI(TAG, "Initializing AC101");
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i2c_port = i2c_port_num;
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// configure i2c
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i2c_config_t i2c_config = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = 33,
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.sda_pullup_en = GPIO_PULLUP_ENABLE,
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.scl_io_num = 32,
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.scl_pullup_en = GPIO_PULLUP_ENABLE,
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.master.clk_speed = 100000,
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};
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i2c_param_config(i2c_port, &i2c_config);
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i2c_driver_install(i2c_port, I2C_MODE_MASTER, false, false, false);
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ESP_LOGI(TAG, "DAC using I2C sda:%u, scl:%u", i2c_config.sda_io_num, i2c_config.scl_io_num);
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res = i2c_write_reg(CHIP_AUDIO_RS, 0x123);
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//huh?
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//vTaskDelay(1000 / portTICK_PERIOD_MS);
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if (ESP_OK != res) {
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ESP_LOGE(TAG, "reset failed!");
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return false;
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}
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i2c_write_reg(SPKOUT_CTRL, 0xe880);
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// Enable the PLL from 256*44.1KHz MCLK source
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i2c_write_reg(PLL_CTRL1, 0x014f);
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//res |= i2c_write_reg(PLL_CTRL2, 0x83c0);
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i2c_write_reg(PLL_CTRL2, 0x8600);
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//Clocking system
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i2c_write_reg(SYSCLK_CTRL, 0x8b08);
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i2c_write_reg(MOD_CLK_ENA, 0x800c);
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i2c_write_reg(MOD_RST_CTRL, 0x800c);
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i2c_write_reg(I2S_SR_CTRL, 0x7000); //sample rate
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//AIF config
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i2c_write_reg(I2S1LCK_CTRL, 0x8850); //BCLK/LRCK
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i2c_write_reg(I2S1_SDOUT_CTRL, 0xc000); //
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i2c_write_reg(I2S1_SDIN_CTRL, 0xc000);
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i2c_write_reg(I2S1_MXR_SRC, 0x2200); //
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i2c_write_reg(ADC_SRCBST_CTRL, 0xccc4);
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i2c_write_reg(ADC_SRC, 0x2020);
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i2c_write_reg(ADC_DIG_CTRL, 0x8000);
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i2c_write_reg(ADC_APC_CTRL, 0xbbc3);
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//Path Configuration
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i2c_write_reg(DAC_MXR_SRC, 0xcc00);
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i2c_write_reg(DAC_DIG_CTRL, 0x8000);
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i2c_write_reg(OMIXER_SR, 0x0081);
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i2c_write_reg(OMIXER_DACA_CTRL, 0xf080);//}
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//* Enable Speaker output
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i2c_write_reg(0x58, 0xeabd);
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//ac101_pa_power(true);
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uint16_t regval;
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// configure I2S
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regval = i2c_read_reg(I2S1LCK_CTRL);
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regval &= 0xffc3;
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regval |= (AC_MODE_SLAVE << 15);
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regval |= (BIT_LENGTH_16_BITS << 4);
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regval |= (AC_MODE_SLAVE << 2);
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res |= i2c_write_reg(I2S1LCK_CTRL, regval);
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res |= i2c_write_reg(I2S_SR_CTRL, SAMPLE_RATE_44100);
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// configure I2S pins & install driver
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i2s_pin_config_t i2s_pin_config = (i2s_pin_config_t) { .bck_io_num = 27, .ws_io_num = 26,
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.data_out_num = 35, .data_in_num = 25 //Not used
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};
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i2s_driver_install(i2s_num, i2s_config, 0, NULL);
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i2s_set_pin(i2s_num, &i2s_pin_config);
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ESP_LOGI(TAG, "DAC using I2S bck:%u, ws:%u, do:%u", i2s_pin_config.bck_io_num, i2s_pin_config.ws_io_num, i2s_pin_config.data_out_num);
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return true;
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}
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/****************************************************************************************
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* init
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*/
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static void deinit(void) {
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i2c_driver_delete(i2c_port);
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}
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/****************************************************************************************
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* change volume
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*/
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static void volume(unsigned left, unsigned right) {
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// nothing at that point, volume is handled by backend
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}
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/****************************************************************************************
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* power
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*/
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static void power(adac_power_e mode) {
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switch(mode) {
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case ADAC_STANDBY:
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case ADAC_OFF:
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ac101_stop();
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break;
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case ADAC_ON:
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ac101_start(AC_MODULE_ADC);
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break;
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default:
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ESP_LOGW(TAG, "unknown power command");
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break;
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}
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}
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/****************************************************************************************
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* speaker
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*/
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static void speaker(bool active) {
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if (active) i2c_write_reg(SPKOUT_CTRL, 0xeabd);
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else i2c_write_reg(SPKOUT_CTRL, 0xe880); //disable speaker
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}
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/****************************************************************************************
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* headset
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*/
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static void headset(bool active) {
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if (active) {
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i2c_write_reg(OMIXER_DACA_CTRL, 0xff80);
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i2c_write_reg(HPOUT_CTRL, 0xc3c1);
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i2c_write_reg(HPOUT_CTRL, 0xcb00);
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// huh?
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vTaskDelay(100 / portTICK_PERIOD_MS);
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i2c_write_reg(HPOUT_CTRL, 0xfbc0);
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} else {
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i2c_write_reg(HPOUT_CTRL, 0x01); //disable earphone
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}
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}
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/****************************************************************************************
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*
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*/
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static esp_err_t i2c_write_reg(uint8_t reg, uint16_t val)
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{
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i2c_cmd_handle_t cmd = i2c_cmd_link_create();
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esp_err_t ret =0;
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uint8_t send_buff[4];
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send_buff[0] = (AC101_ADDR << 1);
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send_buff[1] = reg;
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send_buff[2] = (val>>8) & 0xff;
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send_buff[3] = val & 0xff;
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ret |= i2c_master_start(cmd);
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ret |= i2c_master_write(cmd, send_buff, 4, ACK_CHECK_EN);
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ret |= i2c_master_stop(cmd);
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ret |= i2c_master_cmd_begin(i2c_port, cmd, 1000 / portTICK_RATE_MS);
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i2c_cmd_link_delete(cmd);
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return ret;
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}
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/****************************************************************************************
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*
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*/
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static uint16_t i2c_read_reg(uint8_t reg) {
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uint8_t data[2] = { 0 };
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i2c_cmd_handle_t cmd = i2c_cmd_link_create();
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i2c_master_start(cmd);
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i2c_master_write_byte(cmd, ( AC101_ADDR << 1 ) | WRITE_BIT, ACK_CHECK_EN);
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i2c_master_write_byte(cmd, reg, ACK_CHECK_EN);
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i2c_master_start(cmd);
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i2c_master_write_byte(cmd, ( AC101_ADDR << 1 ) | READ_BIT, ACK_CHECK_EN); //check or not
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i2c_master_read(cmd, data, 2, ACK_VAL);
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i2c_master_stop(cmd);
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i2c_master_cmd_begin(i2c_port, cmd, 1000 / portTICK_RATE_MS);
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i2c_cmd_link_delete(cmd);
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return (data[0] << 8) + data[1];;
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}
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/****************************************************************************************
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*
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*/
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void set_codec_clk(ac_adda_fs_i2s1_t rate) {
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i2c_write_reg(I2S_SR_CTRL, rate);
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}
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/****************************************************************************************
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*
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*/
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static int ac101_get_spk_volume(void) {
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int res;
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res = i2c_read_reg(SPKOUT_CTRL);
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res &= 0x1f;
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return res*2;
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}
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/****************************************************************************************
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*
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*/
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static esp_err_t ac101_set_spk_volume(uint8_t volume) {
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uint16_t res;
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esp_err_t ret;
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volume = volume/2;
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res = i2c_read_reg(SPKOUT_CTRL);
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res &= (~0x1f);
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volume &= 0x1f;
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res |= volume;
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ret = i2c_write_reg(SPKOUT_CTRL,res);
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return ret;
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}
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/****************************************************************************************
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*
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*/
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static int ac101_get_earph_volume(void) {
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int res;
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res = i2c_read_reg(HPOUT_CTRL);
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return (res>>4)&0x3f;
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}
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/****************************************************************************************
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*
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*/
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static esp_err_t ac101_set_earph_volume(uint8_t volume) {
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uint16_t res,tmp;
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esp_err_t ret;
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res = i2c_read_reg(HPOUT_CTRL);
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tmp = ~(0x3f<<4);
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res &= tmp;
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volume &= 0x3f;
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res |= (volume << 4);
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ret = i2c_write_reg(HPOUT_CTRL,res);
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return ret;
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}
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/****************************************************************************************
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*
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*/
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static esp_err_t ac101_set_output_mixer_gain(ac_output_mixer_gain_t gain,ac_output_mixer_source_t source)
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{
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uint16_t regval,temp,clrbit;
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esp_err_t ret;
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regval = i2c_read_reg(OMIXER_BST1_CTRL);
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switch(source){
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case SRC_MIC1:
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temp = (gain&0x7) << 6;
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clrbit = ~(0x7<<6);
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break;
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case SRC_MIC2:
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temp = (gain&0x7) << 3;
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clrbit = ~(0x7<<3);
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break;
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case SRC_LINEIN:
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temp = (gain&0x7);
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clrbit = ~0x7;
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break;
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default:
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return -1;
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}
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regval &= clrbit;
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regval |= temp;
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ret = i2c_write_reg(OMIXER_BST1_CTRL,regval);
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return ret;
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}
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/****************************************************************************************
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*
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*/
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static esp_err_t ac101_start(ac_module_t mode) {
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esp_err_t res = 0;
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if (mode == AC_MODULE_LINE) {
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res |= i2c_write_reg(0x51, 0x0408);
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res |= i2c_write_reg(0x40, 0x8000);
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res |= i2c_write_reg(0x50, 0x3bc0);
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}
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if (mode == AC_MODULE_ADC || mode == AC_MODULE_ADC_DAC || mode == AC_MODULE_LINE) {
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//I2S1_SDOUT_CTRL
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//res |= i2c_write_reg(PLL_CTRL2, 0x8120);
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res |= i2c_write_reg(0x04, 0x800c);
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res |= i2c_write_reg(0x05, 0x800c);
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//res |= i2c_write_reg(0x06, 0x3000);
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}
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if (mode == AC_MODULE_DAC || mode == AC_MODULE_ADC_DAC || mode == AC_MODULE_LINE) {
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//* Enable Headphone output 注意使用耳机时，最后开以下寄存器
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res |= i2c_write_reg(OMIXER_DACA_CTRL, 0xff80);
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res |= i2c_write_reg(HPOUT_CTRL, 0xc3c1);
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res |= i2c_write_reg(HPOUT_CTRL, 0xcb00);
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// huh?
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vTaskDelay(100 / portTICK_PERIOD_MS);
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res |= i2c_write_reg(HPOUT_CTRL, 0xfbc0);
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//* Enable Speaker output
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res |= i2c_write_reg(SPKOUT_CTRL, 0xeabd);
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// huh?
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vTaskDelay(10 / portTICK_PERIOD_MS);
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ac101_set_earph_volume(255);
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ac101_set_spk_volume(255);
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}
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return res;
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}
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/****************************************************************************************
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*
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*/
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esp_err_t ac101_stop(void) {
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esp_err_t res = 0;
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res |= i2c_write_reg(HPOUT_CTRL, 0x01); //disable earphone
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res |= i2c_write_reg(SPKOUT_CTRL, 0xe880); //disable speaker
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return res;
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}
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/****************************************************************************************
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*
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*/
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esp_err_t ac101_deinit(void) {
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return i2c_write_reg(CHIP_AUDIO_RS, 0x123); //soft reset
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}
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/****************************************************************************************
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* Don't know when this one is supposed to be called
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*/
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esp_err_t AC101_i2s_config_clock(ac_i2s_clock_t *cfg) {
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esp_err_t res = 0;
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uint16_t regval=0;
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regval = i2c_read_reg(I2S1LCK_CTRL);
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regval &= 0xe03f;
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regval |= (cfg->bclk_div << 9);
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regval |= (cfg->lclk_div << 6);
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res = i2c_write_reg(I2S1LCK_CTRL, regval);
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return res;
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}
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/****************************************************************************************
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*
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*/
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esp_err_t ac101_get_voice_volume(int* volume) {
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*volume = ac101_get_earph_volume();
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return 0;
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}
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/*
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void ac101_pa_power(bool enable) {
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gpio_config_t io_conf;
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memset(&io_conf, 0, sizeof(io_conf));
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io_conf.intr_type = GPIO_PIN_INTR_DISABLE;
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io_conf.mode = GPIO_MODE_OUTPUT;
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io_conf.pin_bit_mask = BIT(GPIO_PA_EN);
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io_conf.pull_down_en = 0;
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io_conf.pull_up_en = 0;
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gpio_config(&io_conf);
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if (enable) {
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gpio_set_level(GPIO_PA_EN, 1);
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} else {
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gpio_set_level(GPIO_PA_EN, 0);
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}
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}
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*/ |