M5Stack PaperS3 implementation (#478)

Selectively imported code from @juicecultus [fork](https://github.com/juicecultus/Tactility) with some changes/additions from me.

Devices/m5stack-papers3/Source/Configuration.cpp

@@ -0,0 +1,45 @@
+#include "devices/Display.h"
+#include "devices/SdCard.h"
+
+#include <Tactility/hal/Configuration.h>
+#include <Tactility/lvgl/LvglSync.h>
+
+using namespace tt::hal;
+
+static DeviceVector createDevices() {
+    auto touch = createTouch();
+    return {
+        createSdCard(),
+        createDisplay(touch)
+    };
+}
+
+extern const Configuration hardwareConfiguration = {
+    .initBoot = nullptr,
+    .createDevices = createDevices,
+    .spi {
+        spi::Configuration {
+            .device = SPI2_HOST,
+            .dma = SPI_DMA_CH_AUTO,
+            .config = {
+                .mosi_io_num = GPIO_NUM_38,
+                .miso_io_num = GPIO_NUM_40,
+                .sclk_io_num = GPIO_NUM_39,
+                .quadwp_io_num = GPIO_NUM_NC,
+                .quadhd_io_num = GPIO_NUM_NC,
+                .data4_io_num = GPIO_NUM_NC,
+                .data5_io_num = GPIO_NUM_NC,
+                .data6_io_num = GPIO_NUM_NC,
+                .data7_io_num = GPIO_NUM_NC,
+                .data_io_default_level = false,
+                .max_transfer_sz = 4096,
+                .flags = 0,
+                .isr_cpu_id = ESP_INTR_CPU_AFFINITY_AUTO,
+                .intr_flags = 0
+            },
+            .initMode = spi::InitMode::ByTactility,
+            .isMutable = false,
+            .lock = tt::lvgl::getSyncLock()
+        }
+    }
+};

Devices/m5stack-papers3/Source/devices/Display.cpp

@@ -0,0 +1,34 @@
+#include "Display.h"
+#include <Gt911Touch.h>
+#include <FastEpdDisplay.h>
+#include <Tactility/lvgl/LvglSync.h>
+
+std::shared_ptr<tt::hal::touch::TouchDevice> createTouch() {
+    auto configuration = std::make_unique<Gt911Touch::Configuration>(
+        I2C_NUM_0,
+        540,
+        960,
+        false, // swapXy
+        false, // mirrorX
+        false, // mirrorY
+        GPIO_NUM_NC, // pinReset
+        GPIO_NUM_NC  // pinInterrupt
+    );
+
+    auto touch = std::make_shared<Gt911Touch>(std::move(configuration));
+    return std::static_pointer_cast<tt::hal::touch::TouchDevice>(touch);
+}
+
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay(std::shared_ptr<tt::hal::touch::TouchDevice> touch) {
+    FastEpdDisplay::Configuration configuration = {
+        .horizontalResolution = 540,
+        .verticalResolution = 960,
+        .touch = std::move(touch),
+        .busSpeedHz = 20000000,
+        .rotationDegrees = 90,
+        .use4bppGrayscale = false,
+        .fullRefreshEveryNFlushes = 40,
+    };
+
+    return std::make_shared<FastEpdDisplay>(configuration, tt::lvgl::getSyncLock());
+}

Devices/m5stack-papers3/Source/devices/Display.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#include <Tactility/hal/display/DisplayDevice.h>
+#include <Tactility/hal/touch/TouchDevice.h>
+
+std::shared_ptr<tt::hal::touch::TouchDevice> createTouch();
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay(std::shared_ptr<tt::hal::touch::TouchDevice> touch);

Devices/m5stack-papers3/Source/devices/SdCard.cpp

@@ -0,0 +1,25 @@
+#include "SdCard.h"
+
+#include <Tactility/lvgl/LvglSync.h>
+#include <Tactility/hal/sdcard/SpiSdCardDevice.h>
+
+constexpr auto PAPERS3_SDCARD_PIN_CS = GPIO_NUM_47;
+
+using tt::hal::sdcard::SpiSdCardDevice;
+
+std::shared_ptr<SdCardDevice> createSdCard() {
+    auto configuration = std::make_unique<SpiSdCardDevice::Config>(
+        PAPERS3_SDCARD_PIN_CS,
+        GPIO_NUM_NC,
+        GPIO_NUM_NC,
+        GPIO_NUM_NC,
+        SdCardDevice::MountBehaviour::AtBoot,
+        tt::lvgl::getSyncLock(),
+        std::vector<gpio_num_t>{},
+        SPI2_HOST
+    );
+
+    return std::make_shared<SpiSdCardDevice>(
+        std::move(configuration)
+    );
+}

Devices/m5stack-papers3/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();

Devices/m5stack-papers3/Source/module.cpp

@@ -0,0 +1,23 @@
+#include <tactility/module.h>
+
+extern "C" {
+
+static error_t start() {
+    // Empty for now
+    return ERROR_NONE;
+}
+
+static error_t stop() {
+    // Empty for now
+    return ERROR_NONE;
+}
+
+/** @warning The variable name must be exactly "device_module" */
+struct Module device_module = {
+    .name = "m5stack-papers3",
+    .start = start,
+    .stop = stop,
+    .symbols = nullptr
+};
+
+}