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https://github.com/sle118/squeezelite-esp32.git
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integrate TAS5713 - release
This commit is contained in:
Philippe G
195
components/squeezelite/tas57xx/dac_5713.c
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195
components/squeezelite/tas57xx/dac_5713.c
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/*
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* Squeezelite for esp32
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*
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* (c) Sebastien 2019
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* Philippe G. 2019, philippe_44@outlook.com
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*
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* This software is released under the MIT License.
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* https://opensource.org/licenses/MIT
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*
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* (c) C. Rohs 2020 added support for the tas5713 (eg. HiFiBerry AMP+)
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*/
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "driver/i2s.h"
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#include "driver/i2c.h"
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#include "driver/gpio.h"
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#include "esp_log.h"
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#include "adac.h"
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#define ARRAY_SIZE(array) (sizeof(array) / sizeof(*array))
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#define TAS5713 0x36 /* i2c address of TAS5713 */
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// TAS5713 I2C-bus register addresses
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#define TAS5713_CLOCK_CTRL 0x00
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#define TAS5713_DEVICE_ID 0x01
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#define TAS5713_ERROR_STATUS 0x02
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#define TAS5713_SYSTEM_CTRL1 0x03
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#define TAS5713_SERIAL_DATA_INTERFACE 0x04
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#define TAS5713_SYSTEM_CTRL2 0x05
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#define TAS5713_SOFT_MUTE 0x06
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#define TAS5713_VOL_MASTER 0x07
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#define TAS5713_VOL_CH1 0x08
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#define TAS5713_VOL_CH2 0x09
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#define TAS5713_VOL_HEADPHONE 0x0A
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#define TAS5713_OSC_TRIM 0x1B
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static const char TAG[] = "TAS5713";
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static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_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 bool volume(unsigned left, unsigned right);
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static void power(adac_power_e mode) { };
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const struct adac_s dac_tas5713 = {"TAS5713", init, deinit, power, speaker, headset, volume};
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struct tas5713_cmd_s {
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uint8_t reg;
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uint8_t value;
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};
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// matching orders
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typedef enum {
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TAS57_ACTIVE = 0,
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TAS57_STANDBY,
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TAS57_DOWN,
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TAS57_ANALOGUE_OFF,
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TAS57_ANALOGUE_ON,
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TAS57_VOLUME
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} dac_cmd_e;
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static int i2c_port;
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static void tas5713_set(uint8_t reg, uint8_t val);
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static uint8_t tas5713_get(uint8_t reg);
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/****************************************************************************************
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* init
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*/
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static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config) {
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char *p;
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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 = -1,
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.sda_pullup_en = GPIO_PULLUP_ENABLE,
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.scl_io_num = -1,
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.scl_pullup_en = GPIO_PULLUP_ENABLE,
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.master.clk_speed = 250000,
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};
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if ((p = strcasestr(config, "sda")) != NULL) i2c_config.sda_io_num = atoi(strchr(p, '=') + 1);
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if ((p = strcasestr(config, "scl")) != NULL) i2c_config.scl_io_num = atoi(strchr(p, '=') + 1);
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i2c_param_config(i2c_port, &i2c_config);
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esp_err_t res = i2c_driver_install(i2c_port, I2C_MODE_MASTER, false, false, false);
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/* find if there is a tas5713 attached. Reg 0 should read non-zero if so */
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if (!tas5713_get(0x00)) {
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ESP_LOGW(TAG, "No TAS5713 detected");
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i2c_driver_delete(i2c_port);
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return 0;
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}
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ESP_LOGI(TAG, "TAS5713 uses I2C sda:%d, scl:%d", i2c_config.sda_io_num, i2c_config.scl_io_num);
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/* do the init sequence */
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tas5713_set(TAS5713_OSC_TRIM, 0x00); /* a delay is required after this */
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vTaskDelay(50 / portTICK_PERIOD_MS);
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tas5713_set(TAS5713_SERIAL_DATA_INTERFACE, 0x03); /* I2S LJ 16 bit */
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tas5713_set(TAS5713_SYSTEM_CTRL2, 0x00); /* exit all channel shutdown */
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tas5713_set(TAS5713_SOFT_MUTE, 0x00); /* unmute */
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tas5713_set(TAS5713_VOL_MASTER, 0x20);
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tas5713_set(TAS5713_VOL_CH1, 0x30);
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tas5713_set(TAS5713_VOL_CH2, 0x30);
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tas5713_set(TAS5713_VOL_HEADPHONE, 0xFF);
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/* The tas5713 typically has the mclk connected to the sclk. In this
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configuration, mclk must be a multiple of the sclk. The lowest workable
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multiple is 64x. To achieve this, 32 bits per channel on must be sent
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over I2S. Reconfigure the I2S for that here, and expand the I2S stream
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when it is sent */
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i2s_config->bits_per_sample = 32;
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if (res != ESP_OK) {
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ESP_LOGE(TAG, "could not intialize TAS5713 %d", res);
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return false;
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}
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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 bool volume(unsigned left, unsigned right) {
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return false;
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}
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/****************************************************************************************
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* DAC specific commands
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*/
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void tas5713_set(uint8_t reg, uint8_t val) {
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esp_err_t ret = ESP_OK;
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ESP_LOGI(TAG,"TAS5713 send %x %x", reg, val);
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i2c_cmd_handle_t i2c_cmd = i2c_cmd_link_create();
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i2c_master_start(i2c_cmd);
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i2c_master_write_byte(i2c_cmd,
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TAS5713 | I2C_MASTER_WRITE,
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I2C_MASTER_NACK);
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i2c_master_write_byte(i2c_cmd, reg, I2C_MASTER_NACK);
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i2c_master_write_byte(i2c_cmd, val, I2C_MASTER_NACK);
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i2c_master_stop(i2c_cmd);
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ret = i2c_master_cmd_begin(i2c_port, i2c_cmd, 50 / portTICK_RATE_MS);
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i2c_cmd_link_delete(i2c_cmd);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Could not send command to TAS5713 %d", ret);
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}
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}
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/*************************************************************************
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* Read from i2c for the tas5713. This doubles as tas5713 detect. This function
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* returns zero on error, so read register 0x00 for tas detect, which will be
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* non-zero in this application.
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*/
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static uint8_t tas5713_get(uint8_t reg) {
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int ret;
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uint8_t data = 0;
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i2c_cmd_handle_t i2c_cmd = i2c_cmd_link_create();
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i2c_master_start(i2c_cmd);
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i2c_master_write_byte(i2c_cmd, TAS5713 | I2C_MASTER_WRITE, I2C_MASTER_NACK);
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i2c_master_write_byte(i2c_cmd, reg, I2C_MASTER_NACK);
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i2c_master_start(i2c_cmd);
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i2c_master_write_byte(i2c_cmd, TAS5713 | I2C_MASTER_READ, I2C_MASTER_NACK);
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i2c_master_read_byte(i2c_cmd, &data, I2C_MASTER_NACK);
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i2c_master_stop(i2c_cmd);
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ret = i2c_master_cmd_begin(i2c_port, i2c_cmd, 50 / portTICK_RATE_MS);
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i2c_cmd_link_delete(i2c_cmd);
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if (ret == ESP_OK) {
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ESP_LOGI(TAG,"TAS5713 reg 0x%x is 0x%x", reg, data);
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}
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return data;
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}
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@@ -23,7 +23,7 @@
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static const char TAG[] = "TAS575x/8x";
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static bool init(char *config, int i2c_port_num);
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static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_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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@@ -68,10 +68,10 @@ static int tas57_detect(void);
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/****************************************************************************************
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* init
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*/
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static bool init(char *config, int i2c_port_num) {
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i2c_port = i2c_port_num;
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static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config) {
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char *p;
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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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@@ -131,7 +131,9 @@ static void deinit(void) {
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/****************************************************************************************
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* change volume
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*/
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static bool volume(unsigned left, unsigned right) { return false; }
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static bool volume(unsigned left, unsigned right) {
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return false;
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}
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/****************************************************************************************
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* power
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