Rename Boards/ to Devices/ (#414)

Devices/m5stack-stickc-plus/Source/devices/Display.cpp

@@ -0,0 +1,66 @@
+#include "Display.h"
+
+#include "Power.h"
+
+#include <St7789Display.h>
+#include <bitset>
+
+constexpr auto* TAG = "StickCPlus";
+
+static void setBacklightOn(bool on) {
+    const auto axp = getAxp192();
+    const auto* driver = axp->getAxp192();
+    uint8_t state;
+    if (axp192_read(driver, AXP192_DCDC13_LDO23_CONTROL, &state) != AXP192_OK) {
+        TT_LOG_I(TAG, "Failed to read LCD brightness state");
+        return;
+    }
+    std::bitset<8> new_state = state;
+    if (new_state[2] != on) {
+        new_state[2] = on;
+        const auto new_state_long = new_state.to_ulong();
+        axp192_write(driver, AXP192_DCDC13_LDO23_CONTROL, static_cast<uint8_t>(new_state_long)); // Display on/off
+    }
+}
+
+static void setBrightness(uint8_t brightness) {
+    const auto axp = getAxp192();
+    if (brightness)
+    {
+        brightness = (((brightness >> 1) + 8) / 13) + 5;
+        setBacklightOn(true);
+        axp192_write(axp->getAxp192(), AXP192_LDO23_VOLTAGE, brightness << 4); // Display brightness
+    }
+    else
+    {
+        setBacklightOn(false);
+    }
+}
+
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
+    St7789Display::Configuration panel_configuration = {
+        .horizontalResolution = LCD_HORIZONTAL_RESOLUTION,
+        .verticalResolution = LCD_VERTICAL_RESOLUTION,
+        .gapX = 52,
+        .gapY = 40,
+        .swapXY = false,
+        .mirrorX = false,
+        .mirrorY = false,
+        .invertColor = true,
+        .bufferSize = LCD_BUFFER_SIZE,
+        .touch = nullptr,
+        .backlightDutyFunction = setBrightness,
+        .resetPin = LCD_PIN_RESET,
+        .lvglSwapBytes = false
+    };
+
+    auto spi_configuration = std::make_shared<St7789Display::SpiConfiguration>(St7789Display::SpiConfiguration {
+        .spiHostDevice = LCD_SPI_HOST,
+        .csPin = LCD_PIN_CS,
+        .dcPin = LCD_PIN_DC,
+        .pixelClockFrequency = 40'000'000,
+        .transactionQueueDepth = 10
+    });
+
+    return std::make_shared<St7789Display>(panel_configuration, spi_configuration);
+}

Devices/m5stack-stickc-plus/Source/devices/Display.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <Tactility/hal/display/DisplayDevice.h>
+#include <memory>
+#include <driver/gpio.h>
+#include <driver/spi_common.h>
+
+constexpr auto LCD_SPI_HOST = SPI2_HOST;
+constexpr auto LCD_PIN_CS = GPIO_NUM_5;
+constexpr auto LCD_PIN_DC = GPIO_NUM_23;
+constexpr auto LCD_PIN_RESET = GPIO_NUM_18;
+constexpr auto LCD_HORIZONTAL_RESOLUTION = 135;
+constexpr auto LCD_VERTICAL_RESOLUTION = 240;
+constexpr auto LCD_BUFFER_HEIGHT = LCD_VERTICAL_RESOLUTION / 3;
+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-stickc-plus/Source/devices/Power.cpp

@@ -0,0 +1,38 @@
+#include <Axp192.h>
+
+static std::shared_ptr<Axp192> axp192 = nullptr;
+
+std::shared_ptr<Axp192> createAxp192() {
+    assert(axp192 == nullptr);
+    auto configuration = std::make_unique<Axp192::Configuration>(I2C_NUM_0);
+    axp192 = std::make_shared<Axp192>(std::move(configuration));
+    return axp192;
+}
+
+std::shared_ptr<Axp192> getAxp192() {
+    assert(axp192 != nullptr);
+    return axp192;
+}
+
+bool initAxp() {
+    const auto axp = createAxp192();
+    return axp->init([](auto* driver) {
+        // Reference: https://github.com/pr3y/Bruce/blob/main/lib/utility/AXP192.cpp
+        axp192_ioctl(driver, AXP192_LDO23_VOLTAGE, 3300); // LCD backlight
+        axp192_ioctl(driver, AXP192_ADC_ENABLE_1, 0xff); // Set all ADC enabled
+        axp192_ioctl(driver, AXP192_CHARGE_CONTROL_1, 0xc0); // Battery charging at 4.2 V and 100 mA
+        axp192_ioctl(driver, AXP192_ADC_ENABLE_1, 0xff); // Enable battery, AC in, Vbus, APS ADC
+        uint8_t buffer;
+        axp192_read(driver, AXP192_DCDC13_LDO23_CONTROL, &buffer);
+        axp192_ioctl(driver, AXP192_DCDC13_LDO23_CONTROL, buffer | 0x4D); // Enable Ext, LDO2, LDO3, DCDC1
+        axp192_ioctl(driver, AXP192_PEK, 0x0C); // 128 ms power on, 4 s power off
+        axp192_ioctl(driver, AXP192_GPIO0_LDOIO0_VOLTAGE, 0xF0); // 3.3 V RTC voltage
+        axp192_ioctl(driver, AXP192_GPIO0_CONTROL, 0x02); // Set GPIO0 to LDO
+        axp192_ioctl(driver, AXP192_VBUS_IPSOUT_CHANNEL, 0x80); // Disable Vbus hold limit
+        axp192_ioctl(driver, AXP192_BATTERY_CHARGE_HIGH_TEMP, 0xFC); // Set temperature protection
+        axp192_ioctl(driver, AXP192_BATTERY_CHARGE_CONTROL, 0xA2); // Enable RTC BAT charge
+        axp192_ioctl(driver, AXP192_SHUTDOWN_BATTERY_CHGLED_CONTROL, 0x46); // Enable bat detection
+        return true;
+    });
+
+}

Devices/m5stack-stickc-plus/Source/devices/Power.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <Axp192.h>
+
+bool initAxp();
+
+// Must call initAxp() first before this returns a non-nullptr response
+std::shared_ptr<Axp192> getAxp192();
+