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Implement Tab5 audio init and update power init sequence

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This commit is contained in:
Ken Van Hoeylandt 2026-02-15 16:06:53 +01:00
parent b7a2503a21
commit c3961fdde7
2 changed files with 106 additions and 12 deletions
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102
Devices/m5stack-tab5/Source/Configuration.cpp
View File

@ -2,12 +2,14 @@
#include "devices/SdCard.h"
#include <driver/gpio.h>
#include <tactility/drivers/i2c_controller.h>
#include <Tactility/hal/Configuration.h>
#include <Tactility/hal/i2c/I2c.h>
using namespace tt::hal;
static const auto LOGGER = tt::Logger("Tab5");
static constexpr auto* TAG = "Tab5";
static DeviceVector createDevices() {
return {
@ -16,7 +18,7 @@ static DeviceVector createDevices() {
};
}
static bool initBoot() {
static error_t initPower(::Device* i2c_controller) {
/*
PI4IOE5V6408-1 (0x43)
- Bit 0: RF internal/external switch
@ -63,26 +65,106 @@ static bool initBoot() {
};
constexpr auto IO_EXPANDER1_ADDRESS = 0x43;
if (!i2c::masterWriteRegisterArray(I2C_NUM_0, IO_EXPANDER1_ADDRESS, reg_data_io1_1, sizeof(reg_data_io1_1))) {
LOGGER.error("IO expander 1 init failed in phase 1");
return false;
auto error = i2c_controller_write_register_array(i2c_controller, IO_EXPANDER1_ADDRESS, reg_data_io1_1, sizeof(reg_data_io1_1), pdMS_TO_TICKS(100));
if (error != ERROR_NONE) {
LOG_E(TAG, "IO expander 1 init failed in phase 1");
return ERROR_UNDEFINED;
}
constexpr auto IO_EXPANDER2_ADDRESS = 0x44;
if (!i2c::masterWriteRegisterArray(I2C_NUM_0, IO_EXPANDER2_ADDRESS, reg_data_io2, sizeof(reg_data_io2))) {
LOGGER.error("IO expander 2 init failed");
return false;
error = i2c_controller_write_register_array(i2c_controller, IO_EXPANDER2_ADDRESS, reg_data_io2, sizeof(reg_data_io2), pdMS_TO_TICKS(100));
if (error != ERROR_NONE) {
LOG_E(TAG, "IO expander 2 init failed");
return ERROR_UNDEFINED;
}
// The M5Stack code applies this, but it's not known why
// TODO: Remove and test it extensively
tt::kernel::delayTicks(10);
if (!i2c::masterWriteRegisterArray(I2C_NUM_0, IO_EXPANDER1_ADDRESS, reg_data_io1_2, sizeof(reg_data_io1_2))) {
LOGGER.error("IO expander 1 init failed in phase 2");
error = i2c_controller_write_register_array(i2c_controller, IO_EXPANDER1_ADDRESS, reg_data_io1_2, sizeof(reg_data_io1_2), pdMS_TO_TICKS(100));
if (error != ERROR_NONE) {
LOG_E(TAG, "IO expander 1 init failed in phase 2");
return ERROR_UNDEFINED;
}
return ERROR_NONE;
}
static error_t initSound(::Device* i2c_controller) {
// Init data from M5Unified:
// https://github.com/m5stack/M5Unified/blob/master/src/M5Unified.cpp
static constexpr uint8_t ES8388_I2C_ADDR = 0x10;
static constexpr uint8_t ENABLED_BULK_DATA[] = {
0, 0x80, // RESET/ CSM POWER ON
0, 0x00,
0, 0x00,
0, 0x0E,
1, 0x00,
2, 0x0A, // CHIP POWER: power up all
3, 0xFF, // ADC POWER: power down all
4, 0x3C, // DAC POWER: power up and LOUT1/ROUT1/LOUT2/ROUT2 enable
5, 0x00, // ChipLowPower1
6, 0x00, // ChipLowPower2
7, 0x7C, // VSEL
8, 0x00, // set I2S slave mode
// reg9-22 == adc
23, 0x18, // I2S format (16bit)
24, 0x00, // I2S MCLK ratio (128)
25, 0x20, // DAC unmute
26, 0x00, // LDACVOL 0x00~0xC0
27, 0x00, // RDACVOL 0x00~0xC0
28, 0x08, // enable digital click free power up and down
29, 0x00,
38, 0x00, // DAC CTRL16
39, 0xB8, // LEFT Ch MIX
42, 0xB8, // RIGHTCh MIX
43, 0x08, // ADC and DAC separate
45, 0x00, // 0x00=1.5k VREF analog output / 0x10=40kVREF analog output
46, 0x21,
47, 0x21,
48, 0x21,
49, 0x21
};
error_t error = i2c_controller_write_register_array(
i2c_controller,
ES8388_I2C_ADDR,
ENABLED_BULK_DATA,
sizeof(ENABLED_BULK_DATA),
pdMS_TO_TICKS(1000)
);
if (error != ERROR_NONE) {
LOG_E(TAG, "Failed to enable ES8388: %s", error_to_string(error));
return error;
}
constexpr auto IO_EXPANDER1_ADDRESS = 0x43;
constexpr auto AMP_REGISTER = 0x05;
// Note: to disable the amplifier, reset the bits
error = i2c_controller_register8_set_bits(i2c_controller, IO_EXPANDER1_ADDRESS, AMP_REGISTER, 0b00000010 , pdMS_TO_TICKS(100));
if (error != ERROR_NONE) {
LOG_E(TAG, "Failed to enable amplifier: %s", error_to_string(error));
return error;
}
return ERROR_NONE;
}
static bool initBoot() {
auto* i2c0 = device_find_by_name("i2c0");
check(i2c0, "i2c0 not found");
auto error = initPower(i2c0);
if (initPower(i2c0) != ERROR_NONE) {
return false;
}
error = initSound(i2c0);
if (error != ERROR_NONE) {
LOG_E(TAG, "Failed to enable ES8388");
}
return true;
}

16
Devices/m5stack-tab5/m5stack,tab5.dts
View File

@ -3,6 +3,7 @@
#include <tactility/bindings/root.h>
#include <tactility/bindings/esp32_gpio.h>
#include <tactility/bindings/esp32_i2c.h>
#include <tactility/bindings/esp32_i2s.h>
#include <tactility/bindings/esp32_spi.h>
/ {
@ -14,7 +15,7 @@
gpio-count = <57>;
};
i2c_internal {
i2c_internal: i2c0 {
compatible = "espressif,esp32-i2c";
port = <I2C_NUM_0>;
clock-frequency = <400000>;
@ -22,7 +23,7 @@
pin-scl = <&gpio0 32 GPIO_FLAG_NONE>;
};
i2c_port_a {
i2c_port_a: i2c1 {
compatible = "espressif,esp32-i2c";
port = <I2C_NUM_1>;
clock-frequency = <400000>;
@ -37,4 +38,15 @@
pin-miso = <&gpio0 39 GPIO_FLAG_NONE>;
pin-sclk = <&gpio0 43 GPIO_FLAG_NONE>;
};
// ES8388 and ES7210
i2s0 {
compatible = "espressif,esp32-i2s";
port = <I2S_NUM_0>;
pin-bclk = <&gpio0 27 GPIO_FLAG_NONE>;
pin-ws = <&gpio0 29 GPIO_FLAG_NONE>;
pin-data-out = <&gpio0 26 GPIO_FLAG_NONE>;
pin-data-in = <&gpio0 28 GPIO_FLAG_NONE>;
pin-mclk = <&gpio0 30 GPIO_FLAG_NONE>;
};
};