Tab5 features, StackChan, fixes, drivers.... (#526)

Devices/m5stack-stackchan/Source/devices/Display.cpp

@@ -0,0 +1,58 @@
+#include "Display.h"
+
+#include <Axp2101.h>
+#include <Ft6x36Touch.h>
+#include <Ili934xDisplay.h>
+#include <Tactility/Logger.h>
+#include <Tactility/hal/i2c/I2c.h>
+
+static const auto LOGGER = tt::Logger("StackChanDisplay");
+
+static void setBacklightDuty(uint8_t backlightDuty) {
+    const uint8_t voltage = 20 + ((8 * backlightDuty) / 255); // [0b00000, 0b11100]
+    if (!tt::hal::i2c::masterWriteRegister(I2C_NUM_0, AXP2101_ADDRESS, 0x99, &voltage, 1, 1000)) {
+        LOGGER.error("Failed to set display backlight voltage");
+    }
+}
+
+static std::shared_ptr<tt::hal::touch::TouchDevice> createTouch() {
+    auto configuration = std::make_unique<Ft6x36Touch::Configuration>(
+        I2C_NUM_0,
+        319,//LCD_HORIZONTAL_RESOLUTION,
+        239,//LCD_VERTICAL_RESOLUTION,
+        false,
+        false,
+        false
+    );
+
+    return std::make_shared<Ft6x36Touch>(std::move(configuration));
+}
+
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
+    Ili934xDisplay::Configuration panel_configuration = {
+        .horizontalResolution = LCD_HORIZONTAL_RESOLUTION,
+        .verticalResolution = LCD_VERTICAL_RESOLUTION,
+        .gapX = 0,
+        .gapY = 0,
+        .swapXY = false,
+        .mirrorX = false,
+        .mirrorY = false,
+        .invertColor = true,
+        .swapBytes = true,
+        .bufferSize = LCD_BUFFER_SIZE,
+        .touch = createTouch(),
+        .backlightDutyFunction = ::setBacklightDuty,
+        .resetPin = GPIO_NUM_NC,
+        .rgbElementOrder = LCD_RGB_ELEMENT_ORDER_BGR
+    };
+
+    auto spi_configuration = std::make_shared<Ili934xDisplay::SpiConfiguration>(Ili934xDisplay::SpiConfiguration {
+        .spiHostDevice = LCD_SPI_HOST,
+        .csPin = LCD_PIN_CS,
+        .dcPin = LCD_PIN_DC,
+        .pixelClockFrequency = 40'000'000,
+        .transactionQueueDepth = 10
+    });
+
+    return std::make_shared<Ili934xDisplay>(panel_configuration, spi_configuration, true);
+}

Devices/m5stack-stackchan/Source/devices/Display.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <Tactility/hal/display/DisplayDevice.h>
+#include <driver/gpio.h>
+#include <driver/spi_common.h>
+
+// Display
+constexpr auto LCD_SPI_HOST = SPI2_HOST;
+constexpr auto LCD_PIN_CS = GPIO_NUM_3;
+constexpr auto LCD_PIN_DC = GPIO_NUM_35;
+constexpr auto LCD_HORIZONTAL_RESOLUTION = 320;
+constexpr auto LCD_VERTICAL_RESOLUTION = 240;
+constexpr auto LCD_BUFFER_HEIGHT = LCD_VERTICAL_RESOLUTION / 10;
+constexpr auto LCD_BUFFER_SIZE = LCD_HORIZONTAL_RESOLUTION * LCD_BUFFER_HEIGHT;
+constexpr auto LCD_SPI_TRANSFER_SIZE_LIMIT = LCD_BUFFER_SIZE * LV_COLOR_DEPTH / 8;
+
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay();

Devices/m5stack-stackchan/Source/devices/Power.cpp

@@ -0,0 +1,86 @@
+#include "Power.h"
+
+#include <Tactility/hal/power/PowerDevice.h>
+#include <drivers/ina226.h>
+#include <tactility/device.h>
+#include <tactility/log.h>
+
+using namespace tt::hal::power;
+
+static constexpr auto* TAG = "StackChanPower";
+
+// 1S Li-ion cell (550 mAh): 3.2V (empty) – 4.2V (full)
+static constexpr float MIN_BATTERY_VOLTAGE_MV = 3200.0f;
+static constexpr float MAX_BATTERY_VOLTAGE_MV = 4200.0f;
+
+class StackChanPower final : public PowerDevice {
+public:
+    explicit StackChanPower(::Device* ina226Device) : ina226(ina226Device) {}
+
+    std::string getName() const override { return "M5Stack StackChan Power"; }
+    std::string getDescription() const override { return "Battery monitoring via INA226 over I2C"; }
+
+    bool supportsMetric(MetricType type) const override {
+        switch (type) {
+            using enum MetricType;
+            case BatteryVoltage:
+            case ChargeLevel:
+            case Current:
+                return ina226 != nullptr;
+            default:
+                return false;
+        }
+    }
+
+    bool getMetric(MetricType type, MetricData& data) override {
+        switch (type) {
+            using enum MetricType;
+
+            case BatteryVoltage: {
+                if (ina226 == nullptr) return false;
+                float volts = 0.0f;
+                if (ina226_read_bus_voltage(ina226, &volts) != ERROR_NONE) return false;
+                data.valueAsUint32 = static_cast<uint32_t>(volts * 1000.0f);
+                return true;
+            }
+
+            case ChargeLevel: {
+                if (ina226 == nullptr) return false;
+                float volts = 0.0f;
+                if (ina226_read_bus_voltage(ina226, &volts) != ERROR_NONE) return false;
+                float voltage_mv = volts * 1000.0f;
+                if (voltage_mv >= MAX_BATTERY_VOLTAGE_MV) {
+                    data.valueAsUint8 = 100;
+                } else if (voltage_mv <= MIN_BATTERY_VOLTAGE_MV) {
+                    data.valueAsUint8 = 0;
+                } else {
+                    float factor = (voltage_mv - MIN_BATTERY_VOLTAGE_MV) / (MAX_BATTERY_VOLTAGE_MV - MIN_BATTERY_VOLTAGE_MV);
+                    data.valueAsUint8 = static_cast<uint8_t>(factor * 100.0f);
+                }
+                return true;
+            }
+
+            case Current: {
+                if (ina226 == nullptr) return false;
+                float amps = 0.0f;
+                if (ina226_read_shunt_current(ina226, &amps) != ERROR_NONE) return false;
+                data.valueAsInt32 = static_cast<int32_t>(amps * 1000.0f);
+                return true;
+            }
+
+            default:
+                return false;
+        }
+    }
+
+private:
+    ::Device* ina226;
+};
+
+std::shared_ptr<PowerDevice> createPower() {
+    auto* ina226 = device_find_by_name("ina226");
+    if (ina226 == nullptr) {
+        LOG_E(TAG, "ina226 device not found");
+    }
+    return std::make_shared<StackChanPower>(ina226);
+}

Devices/m5stack-stackchan/Source/devices/Power.h

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <memory>
+#include <Tactility/hal/power/PowerDevice.h>
+
+std::shared_ptr<tt::hal::power::PowerDevice> createPower();

Devices/m5stack-stackchan/Source/devices/SdCard.cpp

@@ -0,0 +1,30 @@
+#include "SdCard.h"
+
+#include <tactility/device.h>
+#include <Tactility/lvgl/LvglSync.h>
+#include <Tactility/hal/sdcard/SpiSdCardDevice.h>
+
+constexpr auto STACKCHAN_SDCARD_PIN_CS = GPIO_NUM_4;
+constexpr auto STACKCHAN_LCD_PIN_CS = GPIO_NUM_3;
+
+using tt::hal::sdcard::SpiSdCardDevice;
+
+std::shared_ptr<SdCardDevice> createSdCard() {
+    auto configuration = std::make_unique<SpiSdCardDevice::Config>(
+        STACKCHAN_SDCARD_PIN_CS,
+        GPIO_NUM_NC,
+        GPIO_NUM_NC,
+        GPIO_NUM_NC,
+        SdCardDevice::MountBehaviour::AtBoot,
+        tt::lvgl::getSyncLock(),
+        std::vector { STACKCHAN_LCD_PIN_CS }
+    );
+
+    auto* spi_controller = device_find_by_name("spi0");
+    check(spi_controller, "spi0 not found");
+
+    return std::make_shared<SpiSdCardDevice>(
+        std::move(configuration),
+        spi_controller
+    );
+}

Devices/m5stack-stackchan/Source/devices/SdCard.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#include "Tactility/hal/sdcard/SdCardDevice.h"
+
+using tt::hal::sdcard::SdCardDevice;
+
+std::shared_ptr<SdCardDevice> createSdCard();