feat(es3c28p): add audio playback and mic support, and fix chmod stub bug

2026-06-23 12:34:32 -04:00
parent 5c535490ea
commit 94b5cdbfc4
3 changed files with 96 additions and 4 deletions
@@ -2,12 +2,95 @@
 #include "devices/Display.h"
 #include <driver/gpio.h>

+#include <tactility/device.h>
+#include <tactility/drivers/i2c_controller.h>
+#include <tactility/log.h>
+#include <tactility/error.h>
+#include <tactility/freertos/freertos.h>
+
 #include <Tactility/hal/Configuration.h>

 using namespace tt::hal;

+static constexpr auto* TAG = "ES3C28P";
+static constexpr uint8_t ES8311_I2C_ADDR = 0x18;
+
+static error_t initSound(::Device* i2c_controller) {
+    static constexpr uint8_t ENABLED_BULK_DATA[] = {
+        0x00, 0x80,  // RESET/CSM POWER ON
+        0x01, 0x3F,  // CLOCK_MANAGER/ use MCLK pin (external), all clocks on
+        0x02, 0x00,  // CLOCK_MANAGER/ pre_div=1 pre_multi=1 (256x MCLK is correct ratio)
+        0x0D, 0x01,  // SYSTEM/ Power up analog circuitry
+        0x12, 0x00,  // SYSTEM/ power-up DAC
+        0x13, 0x10,  // SYSTEM/ Enable output to HP drive
+        0x32, 0xBF,  // DAC/ DAC volume (0xBF == ±0 dB)
+        0x37, 0x08,  // DAC/ Bypass DAC equalizer
+    };
+
+    return i2c_controller_write_register_array(
+        i2c_controller,
+        ES8311_I2C_ADDR,
+        ENABLED_BULK_DATA,
+        sizeof(ENABLED_BULK_DATA),
+        pdMS_TO_TICKS(1000)
+    );
+}
+
+static error_t initMicrophone(::Device* i2c_controller) {
+    static constexpr uint8_t ENABLED_BULK_DATA[] = {
+        0x00, 0x80,  // RESET/CSM POWER ON
+        0x01, 0x3F,  // CLOCK_MANAGER/ use MCLK pin (external), all clocks on
+        0x02, 0x00,  // CLOCK_MANAGER/ pre_div=1 pre_multi=1
+        0x0D, 0x01,  // SYSTEM/ Power up analog circuitry
+        0x0E, 0x02,  // SYSTEM/ Enable analog PGA, enable ADC modulator
+        0x14, 0x10,  // ADC_REG14: select Mic1p-Mic1n / PGA GAIN (minimum)
+        0x17, 0xFF,  // ADC_REG17: ADC_VOLUME (MAXGAIN)
+        0x1C, 0x6A,  // ADC_REG1C: ADC Equalizer bypass, cancel DC offset
+    };
+
+    return i2c_controller_write_register_array(
+        i2c_controller,
+        ES8311_I2C_ADDR,
+        ENABLED_BULK_DATA,
+        sizeof(ENABLED_BULK_DATA),
+        pdMS_TO_TICKS(1000)
+    );
+}
+
 static bool initBoot() {
-    return driver::pwmbacklight::init(LCD_PIN_BACKLIGHT);
+    // 1. Initialize display backlight
+    if (!driver::pwmbacklight::init(LCD_PIN_BACKLIGHT)) {
+        return false;
+    }
+
+    // 2. Initialize and power on the FM8002E Audio Amplifier (GPIO 1, Active LOW)
+    gpio_config_t io_conf = {};
+    io_conf.intr_type = GPIO_INTR_DISABLE;
+    io_conf.mode = GPIO_MODE_OUTPUT;
+    io_conf.pin_bit_mask = (1ULL << GPIO_NUM_1);
+    io_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
+    io_conf.pull_up_en = GPIO_PULLUP_DISABLE;
+    gpio_config(&io_conf);
+    
+    // Drive LOW to enable the speaker amplifier
+    gpio_set_level(GPIO_NUM_1, 0);
+
+    // 3. Configure the ES8311 Codec over the I2C bus
+    auto* i2c_bus = device_find_by_name("i2c0");
+    if (i2c_bus != nullptr) {
+        error_t error = initSound(i2c_bus);
+        if (error != ERROR_NONE) {
+            LOG_E(TAG, "Failed to enable ES8311 speaker: %s", error_to_string(error));
+        }
+        error = initMicrophone(i2c_bus);
+        if (error != ERROR_NONE) {
+            LOG_E(TAG, "Failed to enable ES8311 microphone: %s", error_to_string(error));
+        }
+    } else {
+        LOG_E(TAG, "i2c0 bus not found, skipping ES8311 initialization");
+    }
+
+    return true;
 }

 static DeviceVector createDevices() {