esp: jc4880p443 audio support

Author: hchunhui

esp/main/board_jc4880p443.h

@@ -24,4 +24,15 @@
 
 #define USE_HOSTED_WIFI
 
-// TODO: I2S
+#define MIXER_BUF_LEN 512
+#define I2S_MCLK 13
+#define I2S_BCLK 12
+#define I2S_WS   10
+#define I2S_DOUT 9
+#define I2S_NUM  0
+
+#define USE_ES8311
+#define ES8311_PA 11
+#define ES8311_I2C_NUM 0
+#define ES8311_I2C_SDA 7
+#define ES8311_I2C_SCL 8

esp/main/i2s.c

@@ -8,9 +8,13 @@
 static i2s_chan_handle_t                tx_chan;        // I2S tx channel handler
 void mixer_callback (void *opaque, uint8_t *stream, int free);
 
+#ifndef MIXER_BUF_LEN
+#define MIXER_BUF_LEN 128
+#endif
+
 static void i2s_task(void *arg)
 {
-	int16_t buf[128];
+	int16_t buf[MIXER_BUF_LEN];
 	int core_id = esp_cpu_get_core_id();
 	fprintf(stderr, "i2s runs on core %d\n", core_id);
 
@@ -23,16 +27,114 @@ static void i2s_task(void *arg)
 	i2s_channel_enable(tx_chan);
 	for (;;) {
 		size_t bwritten;
-		memset(buf, 0, 128 * 2);
-		mixer_callback(globals.pc, (uint8_t *) buf, 128 * 2);
-		for (int i = 0; i < 128; i++) {
+		memset(buf, 0, MIXER_BUF_LEN * 2);
+		mixer_callback(globals.pc, (uint8_t *) buf, MIXER_BUF_LEN * 2);
+		for (int i = 0; i < MIXER_BUF_LEN; i++) {
 			buf[i] = buf[i] / 16;
 		}
-		i2s_channel_write(tx_chan, buf, 128 * 2, &bwritten, portMAX_DELAY);
+		i2s_channel_write(tx_chan, buf, MIXER_BUF_LEN * 2, &bwritten, portMAX_DELAY);
 	}
 	i2s_channel_disable(tx_chan);
 }
 
+#ifndef I2S_NUM
+#define I2S_NUM I2S_NUM_AUTO
+#endif
+
+#ifdef USE_ES8311
+// adapted from: examples/peripherals/i2s/i2s_codec/i2s_es8311/main/i2s_es8311_example.c
+static i2s_chan_handle_t                rx_chan;        // I2S rx channel handler (not used)
+#include "esp_log.h"
+#include "driver/i2c_master.h"
+#include "esp_codec_dev_defaults.h"
+#include "esp_codec_dev.h"
+#include "esp_codec_dev_vol.h"
+static const char *TAG = "i2s";
+
+static esp_err_t es8311_codec_init(void)
+{
+	/* Initialize I2C peripheral */
+	i2c_master_bus_handle_t i2c_bus_handle = NULL;
+	i2c_master_bus_config_t i2c_mst_cfg = {
+		.i2c_port = ES8311_I2C_NUM,
+		.sda_io_num = ES8311_I2C_SDA,
+		.scl_io_num = ES8311_I2C_SCL,
+		.clk_source = I2C_CLK_SRC_DEFAULT,
+		.glitch_ignore_cnt = 7,
+		/* Pull-up internally for no external pull-up case.
+		   Suggest to use external pull-up to ensure a strong enough pull-up. */
+		.flags.enable_internal_pullup = true,
+	};
+	ESP_ERROR_CHECK(i2c_new_master_bus(&i2c_mst_cfg, &i2c_bus_handle));
+
+	/* Create control interface with I2C bus handle */
+	audio_codec_i2c_cfg_t i2c_cfg = {
+		.port = ES8311_I2C_NUM,
+		.addr = ES8311_CODEC_DEFAULT_ADDR,
+		.bus_handle = i2c_bus_handle,
+	};
+	const audio_codec_ctrl_if_t *ctrl_if = audio_codec_new_i2c_ctrl(&i2c_cfg);
+	assert(ctrl_if);
+
+	/* Create data interface with I2S bus handle */
+	audio_codec_i2s_cfg_t i2s_cfg = {
+		.port = I2S_NUM,
+		.rx_handle = rx_chan,
+		.tx_handle = tx_chan,
+	};
+	const audio_codec_data_if_t *data_if = audio_codec_new_i2s_data(&i2s_cfg);
+	assert(data_if);
+
+	/* Create ES8311 interface handle */
+	const audio_codec_gpio_if_t *gpio_if = audio_codec_new_gpio();
+	assert(gpio_if);
+	es8311_codec_cfg_t es8311_cfg = {
+		.ctrl_if = ctrl_if,
+		.gpio_if = gpio_if,
+		.codec_mode = ESP_CODEC_DEV_WORK_MODE_BOTH,
+		.master_mode = false,
+		.use_mclk = I2S_MCLK >= 0,
+		.pa_pin = ES8311_PA,
+		.pa_reverted = false,
+		.hw_gain = {
+			.pa_voltage = 5.0,
+			.codec_dac_voltage = 3.3,
+		},
+		//.mclk_div = EXAMPLE_MCLK_MULTIPLE,
+	};
+	const audio_codec_if_t *es8311_if = es8311_codec_new(&es8311_cfg);
+	assert(es8311_if);
+
+	/* Create the top codec handle with ES8311 interface handle and data interface */
+	esp_codec_dev_cfg_t dev_cfg = {
+		.dev_type = ESP_CODEC_DEV_TYPE_IN_OUT,
+		.codec_if = es8311_if,
+		.data_if = data_if,
+	};
+	esp_codec_dev_handle_t codec_handle = esp_codec_dev_new(&dev_cfg);
+	assert(codec_handle);
+
+	/* Specify the sample configurations and open the device */
+	esp_codec_dev_sample_info_t sample_cfg = {
+		.bits_per_sample = I2S_DATA_BIT_WIDTH_16BIT,
+		.channel = 2,
+		.channel_mask = 0x03,
+		.sample_rate = 44100,
+	};
+	if (esp_codec_dev_open(codec_handle, &sample_cfg) != ESP_CODEC_DEV_OK) {
+		ESP_LOGE(TAG, "Open codec device failed");
+		return ESP_FAIL;
+	}
+
+	/* Set the initial volume and gain */
+	if (esp_codec_dev_set_out_vol(codec_handle, 80) != ESP_CODEC_DEV_OK) {
+		ESP_LOGE(TAG, "set output volume failed");
+		return ESP_FAIL;
+	}
+	return ESP_OK;
+}
+#endif
+
 void i2s_main()
 {
 #ifdef I2S_MCLK
@@ -41,9 +143,12 @@ void i2s_main()
 	 * it only requires the I2S controller id and I2S role
 	 * The tx and rx channels here are registered on different I2S controller,
 	 * Except ESP32 and ESP32-S2, others allow to register two separate tx & rx channels on a same controller */
-	i2s_chan_config_t tx_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER);
+	i2s_chan_config_t tx_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM, I2S_ROLE_MASTER);
+#ifdef USE_ES8311
+	ESP_ERROR_CHECK(i2s_new_channel(&tx_chan_cfg, &tx_chan, &rx_chan));
+#else
 	ESP_ERROR_CHECK(i2s_new_channel(&tx_chan_cfg, &tx_chan, NULL));
-
+#endif
 	/* Step 2: Setting the configurations of standard mode and initialize each channels one by one
 	 * The slot configuration and clock configuration can be generated by the macros
 	 * These two helper macros is defined in 'i2s_std.h' which can only be used in STD mode.
@@ -65,6 +170,9 @@ void i2s_main()
 		},
 	};
 	ESP_ERROR_CHECK(i2s_channel_init_std_mode(tx_chan, &tx_std_cfg));
+#ifdef USE_ES8311
+	ESP_ERROR_CHECK(es8311_codec_init());
+#endif
 	xTaskCreatePinnedToCore(i2s_task, "i2s_task", 4096, NULL, 0, NULL, 0);
 #endif
 }

esp/main/idf_component.yml

@@ -33,3 +33,7 @@ dependencies:
     version: '*'
     rules:
     - if: "target in [esp32p4]"
+  espressif/esp_codec_dev:
+    version: ^1.3.4
+    rules:
+    - if: "target in [esp32p4]"

esp/sdkconfig.jc4880p443

@@ -3973,6 +3973,37 @@ CONFIG_EPPP_LINK_CONN_MAX_RETRY=6
 # CONFIG_EPPP_LINK_CHANNELS_SUPPORT is not set
 # end of eppp_link
 
+#
+# Audio Codec Device Configuration
+#
+# default:
+# CONFIG_CODEC_I2C_BACKWARD_COMPATIBLE is not set
+# default:
+CONFIG_CODEC_ES8311_SUPPORT=y
+# default:
+CONFIG_CODEC_ES7210_SUPPORT=y
+# default:
+CONFIG_CODEC_ES7243_SUPPORT=y
+# default:
+CONFIG_CODEC_ES7243E_SUPPORT=y
+# default:
+CONFIG_CODEC_ES8156_SUPPORT=y
+# default:
+CONFIG_CODEC_AW88298_SUPPORT=y
+# default:
+CONFIG_CODEC_ES8389_SUPPORT=y
+# default:
+CONFIG_CODEC_ES8374_SUPPORT=y
+# default:
+CONFIG_CODEC_ES8388_SUPPORT=y
+# default:
+CONFIG_CODEC_TAS5805M_SUPPORT=y
+# default:
+# CONFIG_CODEC_ZL38063_SUPPORT is not set
+# default:
+# CONFIG_CODEC_CJC8910_SUPPORT is not set
+# end of Audio Codec Device Configuration
+
 CONFIG_ESP_HOSTED_ENABLED=y
 
 #

pc.c

@@ -15,7 +15,9 @@
 #endif
 
 #ifdef BUILD_ESP32
+#ifndef MIXER_BUF_LEN
 #define MIXER_BUF_LEN 128
+#endif
 #define PC_STEP_COUNT 512
 void pcmalloc_init(void *ptr, long len);
 #else