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refactor DAC handling

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This commit is contained in:
Philippe G
2020-08-01 19:31:58 -07:00
parent 77e8c29936
commit 9fd792cf98
12 changed files with 183 additions and 187 deletions
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78
components/squeezelite/tas57xx/dac_57xx.c
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@@ -9,28 +9,28 @@
*
*/
#include "squeezelite.h"
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/i2s.h"
#include "driver/i2c.h"
#include "driver/gpio.h"
#include "esp_log.h"
#include "adac.h"
// this is the only hard-wired thing
#define VOLUME_GPIO 14
#define TAS575x 0x98
#define TAS578x 0x90
static bool init(int i2c_port_num, int i2s_num, i2s_config_t *config);
static const char TAG[] = "TAS575x/8x";
static bool init(char *config, int i2c_port_num);
static void deinit(void);
static void speaker(bool active);
static void headset(bool active);
static void volume(unsigned left, unsigned right);
static void power(adac_power_e mode);
struct adac_s dac_tas57xx = { init, deinit, power, speaker, headset, volume };
const struct adac_s dac_tas57xx = { "TAS57xx", init, deinit, power, speaker, headset, volume };
struct tas57xx_cmd_s {
uint8_t reg;
@@ -59,9 +59,9 @@ static const struct tas57xx_cmd_s tas57xx_cmd[] = {
{ 0x56, 0x00 }, // TAS57_ANALOGUE_ON
};
static log_level loglevel = lINFO;
static u8_t tas57_addr;
static uint8_t tas57_addr;
static int i2c_port;
static int mute_gpio = -1;
static void dac_cmd(dac_cmd_e cmd, ...);
static int tas57_detect(void);
@@ -69,19 +69,24 @@ static int tas57_detect(void);
/****************************************************************************************
* init
*/
static bool init(int i2c_port_num, int i2s_num, i2s_config_t *i2s_config) {
static bool init(char *config, int i2c_port_num) {
i2c_port = i2c_port_num;
char *p;
// configure i2c
i2c_config_t i2c_config = {
.mode = I2C_MODE_MASTER,
.sda_io_num = 27,
.sda_io_num = -1,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = 26,
.scl_io_num = -1,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = 100000,
.master.clk_speed = 250000,
};
if ((p = strcasestr(config, "sda")) != NULL) i2c_config.sda_io_num = atoi(strchr(p, '=') + 1);
if ((p = strcasestr(config, "scl")) != NULL) i2c_config.scl_io_num = atoi(strchr(p, '=') + 1);
if ((p = strcasestr(config, "mute")) != NULL) mute_gpio = atoi(strchr(p, '=') + 1);
i2c_param_config(i2c_port, &i2c_config);
i2c_driver_install(i2c_port, I2C_MODE_MASTER, false, false, false);
@@ -89,13 +94,11 @@ static bool init(int i2c_port_num, int i2s_num, i2s_config_t *i2s_config) {
tas57_addr = tas57_detect();
if (!tas57_addr) {
LOG_WARN("No TAS57xx detected");
ESP_LOGW(TAG, "No TAS57xx detected");
i2c_driver_delete(i2c_port);
return 0;
return false;
}
LOG_INFO("TAS57xx DAC using I2C sda:%u, scl:%u", i2c_config.sda_io_num, i2c_config.scl_io_num);
i2c_cmd_handle_t i2c_cmd = i2c_cmd_link_create();
for (int i = 0; tas57xx_init_sequence[i].reg != 0xff; i++) {
@@ -103,30 +106,25 @@ static bool init(int i2c_port_num, int i2s_num, i2s_config_t *i2s_config) {
i2c_master_write_byte(i2c_cmd, tas57_addr | I2C_MASTER_WRITE, I2C_MASTER_NACK);
i2c_master_write_byte(i2c_cmd, tas57xx_init_sequence[i].reg, I2C_MASTER_NACK);
i2c_master_write_byte(i2c_cmd, tas57xx_init_sequence[i].value, I2C_MASTER_NACK);
LOG_DEBUG("i2c write %x at %u", tas57xx_init_sequence[i].reg, tas57xx_init_sequence[i].value);
ESP_LOGD(TAG, "i2c write %x at %u", tas57xx_init_sequence[i].reg, tas57xx_init_sequence[i].value);
}
i2c_master_stop(i2c_cmd);
esp_err_t res = i2c_master_cmd_begin(i2c_port, i2c_cmd, 500 / portTICK_RATE_MS);
i2c_cmd_link_delete(i2c_cmd);
// configure I2S pins & install driver
i2s_pin_config_t i2s_pin_config = (i2s_pin_config_t) { .bck_io_num = CONFIG_I2S_BCK_IO, .ws_io_num = CONFIG_I2S_WS_IO,
.data_out_num = CONFIG_I2S_DO_IO, .data_in_num = CONFIG_I2S_DI_IO,
};
res |= i2s_driver_install(i2s_num, i2s_config, 0, NULL);
res |= i2s_set_pin(i2s_num, &i2s_pin_config);
LOG_INFO("DAC using I2S bck:%d, ws:%d, do:%d", i2s_pin_config.bck_io_num, i2s_pin_config.ws_io_num, i2s_pin_config.data_out_num);
ESP_LOGI(TAG, "TAS57xx uses I2C sda:%d, scl:%d and mute: %d", i2c_config.sda_io_num, i2c_config.scl_io_num, mute_gpio);
if (res == ESP_OK) {
// init volume & mute
gpio_pad_select_gpio(VOLUME_GPIO);
gpio_set_direction(VOLUME_GPIO, GPIO_MODE_OUTPUT);
gpio_set_level(VOLUME_GPIO, 0);
if (mute_gpio >= 0) {
// init volume & mute
gpio_pad_select_gpio(mute_gpio);
gpio_set_direction(mute_gpio, GPIO_MODE_OUTPUT);
gpio_set_level(mute_gpio, 0);
}
return true;
} else {
LOG_ERROR("could not intialize TAS57xx %d", res);
ESP_LOGE(TAG, "could not intialize TAS57xx %d", res);
return false;
}
}
@@ -142,8 +140,8 @@ static void deinit(void) {
* change volume
*/
static void volume(unsigned left, unsigned right) {
LOG_INFO("TAS57xx volume (L:%u R:%u)", left, right);
gpio_set_level(VOLUME_GPIO, left || right);
ESP_LOGI(TAG, "TAS57xx volume (L:%u R:%u)", left, right);
if (mute_gpio >= 0) gpio_set_level(mute_gpio, left || right);
}
/****************************************************************************************
@@ -161,7 +159,7 @@ static void power(adac_power_e mode) {
dac_cmd(TAS57_DOWN);
break;
default:
LOG_WARN("unknown DAC command");
ESP_LOGW(TAG, "unknown DAC command");
break;
}
}
@@ -192,7 +190,7 @@ void dac_cmd(dac_cmd_e cmd, ...) {
switch(cmd) {
case TAS57_VOLUME:
LOG_ERROR("DAC volume not handled yet");
ESP_LOGE(TAG, "DAC volume not handled yet");
break;
default:
i2c_master_start(i2c_cmd);
@@ -206,7 +204,7 @@ void dac_cmd(dac_cmd_e cmd, ...) {
i2c_cmd_link_delete(i2c_cmd);
if (ret != ESP_OK) {
LOG_ERROR("could not intialize TAS57xx %d", ret);
ESP_LOGE(TAG, "could not intialize TAS57xx %d", ret);
}
va_end(args);
@@ -216,7 +214,7 @@ void dac_cmd(dac_cmd_e cmd, ...) {
* TAS57 detection
*/
static int tas57_detect(void) {
u8_t data, addr[] = {TAS578x, TAS575x};
uint8_t data, addr[] = {TAS578x, TAS575x};
int ret;
for (int i = 0; i < sizeof(addr); i++) {
@@ -235,7 +233,7 @@ static int tas57_detect(void) {
i2c_cmd_link_delete(i2c_cmd);
if (ret == ESP_OK) {
LOG_INFO("Detected TAS @0x%x", addr[i]);
ESP_LOGI(TAG, "Detected TAS @0x%x", addr[i]);
return addr[i];
}
}