Adolfo Reyna
93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
#include "PwmBacklight.h"
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#include "devices/Display.h"
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#include <driver/gpio.h>
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#include <tactility/device.h>
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#include <tactility/drivers/i2c_controller.h>
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#include <tactility/log.h>
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#include <tactility/error.h>
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#include <tactility/freertos/freertos.h>
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#include <Tactility/hal/Configuration.h>
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using namespace tt::hal;
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static constexpr auto* TAG = "ES3C28P";
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static constexpr uint8_t ES8311_I2C_ADDR = 0x18;
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static error_t initCodec(::Device* i2c_controller) {
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static constexpr uint8_t ENABLED_BULK_DATA[] = {
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0x00, 0x80, // RESET/CSM POWER ON
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0x01, 0x3F, // CLOCK_MANAGER/ use MCLK pin (external), all clocks on
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0x02, 0x00, // CLOCK_MANAGER/ pre_div=1 pre_multi=1 (256x MCLK is correct ratio)
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0x03, 0x10, // CLOCK_MANAGER/ fs_mode=0, adc_osr=16
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0x04, 0x10, // CLOCK_MANAGER/ dac_osr=16
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0x05, 0x00, // CLOCK_MANAGER/ adc_div=1, dac_div=1
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0x06, 0x03, // CLOCK_MANAGER/ bclk_div=4
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0x07, 0x00, // CLOCK_MANAGER/ lrck_h=0
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0x08, 0xFF, // CLOCK_MANAGER/ lrck_l=255 (div=256)
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0x09, 0x0C, // SDPIN_REG09/ DAC SDP format = standard I2S, word length = 16-bit
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0x0A, 0x0C, // SDPOUT_REG0A/ ADC SDP format = standard I2S, word length = 16-bit
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0x0D, 0x01, // SYSTEM/ Power up analog circuitry
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0x0E, 0x02, // SYSTEM/ Enable analog PGA, enable ADC modulator
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0x12, 0x00, // SYSTEM/ power-up DAC
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0x13, 0x10, // SYSTEM/ Enable output to HP drive (headphone/speaker)
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0x14, 0x1A, // SYSTEM/ Select Mic1p-Mic1n / max PGA gain (+30dB)
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0x17, 0xFF, // ADC_REG17/ ADC Volume (MAXGAIN)
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0x1C, 0x6A, // ADC_REG1C/ ADC Equalizer bypass, cancel DC offset in digital
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0x32, 0xBF, // DAC_REG32/ DAC Volume (0xBF = 191)
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0x37, 0x08, // DAC_REG37/ Bypass DAC equalizer
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};
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return i2c_controller_write_register_array(
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i2c_controller,
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ES8311_I2C_ADDR,
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ENABLED_BULK_DATA,
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sizeof(ENABLED_BULK_DATA),
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pdMS_TO_TICKS(1000)
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);
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}
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static bool initBoot() {
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// 1. Initialize display backlight
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if (!driver::pwmbacklight::init(LCD_PIN_BACKLIGHT)) {
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return false;
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}
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// 2. Initialize and power on the FM8002E Audio Amplifier (GPIO 1, Active LOW)
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gpio_config_t io_conf = {};
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io_conf.intr_type = GPIO_INTR_DISABLE;
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io_conf.mode = GPIO_MODE_OUTPUT;
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io_conf.pin_bit_mask = (1ULL << GPIO_NUM_1);
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io_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
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io_conf.pull_up_en = GPIO_PULLUP_DISABLE;
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gpio_config(&io_conf);
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// Drive LOW to enable the speaker amplifier
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gpio_set_level(GPIO_NUM_1, 0);
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// 3. Configure the ES8311 Codec over the I2C bus
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auto* i2c_bus = device_find_by_name("i2c0");
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if (i2c_bus != nullptr) {
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error_t error = initCodec(i2c_bus);
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if (error != ERROR_NONE) {
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LOG_E(TAG, "Failed to initialize ES8311 codec: %s", error_to_string(error));
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}
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} else {
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LOG_E(TAG, "i2c0 bus not found, skipping ES8311 initialization");
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}
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return true;
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}
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static DeviceVector createDevices() {
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return {
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createDisplay()
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};
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}
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extern const Configuration hardwareConfiguration = {
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.initBoot = initBoot,
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.createDevices = createDevices
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};
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