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Luis Miguel Collado LleraLuis Miguel Collado Llera
Luis Miguel Collado Llera
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Luis Miguel Collado Llera
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kode dot board with pins defined
1 parent 3f0ad32 commit a501b4d

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3 files changed

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‎variants/kodedot/custom_ota_override.cpp

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// custom_ota_override.cpp
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// Esta función sobrescribe la definición débil en el core de Arduino-ESP32.
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// This function overrides the weak definition of `verifyRollbackLater()` in the kode dot board.
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extern "C" {
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// Declare the weak function symbol to override it
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bool verifyRollbackLater() __attribute__((weak));
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}
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// Custom implementation of verifyRollbackLater()
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// Returning `true` prevents the OTA image from being automatically marked as valid.
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// This ensures that the system will roll back to the previous image unless it is explicitly validated later.
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bool verifyRollbackLater() {
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// Retorna true para evitar que se marque la imagen OTA como válida automáticamente.
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return true;
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}

‎variants/kodedot/pins_arduino.h

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/*
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────────────────────────────────────────────────────────────────────────
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KodeDot – ESP32-S3R8 Variant
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Pin definition file for the Arduino-ESP32 core
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────────────────────────────────────────────────────────────────────────
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* External 2 × 10 connector → simple aliases PIN1 … PIN20
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* On-board QSPI LCD 410×502 @40 MHz (SPI3_HOST)
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* micro-SD on SPI2_HOST
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* Dual-I²C: external (GPIO37/36) + internal-sensors (GPIO48/47)
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* USB VID/PID 0x303A:0x1001
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*/
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#ifndef Pins_Arduino_h
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#define Pins_Arduino_h
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#include <stdint.h>
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#include <stdbool.h>
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#define USB_VID 0x303a
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#define USB_PID 0x1001
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static const uint8_t TX = 43;
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static const uint8_t RX = 44;
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static const uint8_t SDA = 45;
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static const uint8_t SCL = 46;
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static const uint8_t SS = 34;
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static const uint8_t MOSI = 35;
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static const uint8_t MISO = 37;
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static const uint8_t SCK = 36;
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static const uint8_t A0 = 1;
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static const uint8_t A1 = 2;
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static const uint8_t A2 = 3;
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static const uint8_t T3 = 3;
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// SDCARD Slot
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#define BOARD_HAS_SDMMC
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#define SDMMC_D2 33 // SDMMC Data2
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#define SDMMC_D3 34 // SDMMC Data3 / SPI CS
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#define SDMMC_CMD 35 // SDMMC CMD / SPI MOSI
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#define SDMMC_CLK 36 // SDMMC CLK / SPI SCK
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#define SDMMC_D0 37 // SDMMC Data0 / SPI MISO
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#define SDMMC_D1 38 // SDMMC Data1
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#define BOARD_MAX_SDMMC_FREQ SDMMC_FREQ_DEFAULT
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// 240x240 LCD
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/*──────────────── USB device descriptor ────────────────*/
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#define USB_VID 0x303A // Espressif Systems VID
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#define USB_PID 0x1001 // Product ID: KodeDot-S3
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/*──────────────── UART0 (Arduino Serial) ────────────────*/
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static const uint8_t TX = 43; // U0TXD – PIN16 on the 2×10 header
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static const uint8_t RX = 44; // U0RXD – PIN18 on the 2×10 header
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/*──────────────── I²C buses ─────────────────────────────*/
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/* External expansion bus → header pins 11/13 */
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static const uint8_t SCL = 37; // GPIO37 – PIN12
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static const uint8_t SDA = 36; // GPIO36 – PIN14
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/* Internal sensor/touch bus (not on header) */
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#define INT_I2C_SCL 47 // GPIO47
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#define INT_I2C_SDA 48 // GPIO48
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/*──────────────── SPI2 – micro-SD ───────────────────────*/
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static const uint8_t SS = 15; // SD_CS
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static const uint8_t MOSI = 16; // SD_MOSI
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static const uint8_t MISO = 18; // SD_MISO
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static const uint8_t SCK = 17; // SD_CLK
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#define BOARD_HAS_SD_SPI
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#define SD_CS SS
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/*──────────────── QSPI LCD (SPI3_HOST) ─────────────────–
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* Controller: ST7789 / 4-line SPI (no D/C pin)
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* Resolution: 410×502 px, 16 bpp, RGB color-space
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* Clock: 40 MHz
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*/
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#define BOARD_HAS_SPI_LCD
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#define LCD_MODEL ST7789
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#define LCD_WIDTH 240
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#define LCD_HEIGHT 240 // *RAM height is actually 320!
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#define LCD_MISO -1 // LCD Does not use MISO.
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#define LCD_DC 4 // Used to switch data and command status.
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#define LCD_CS 5 // used to enable LCD, low level to enable.
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#define LCD_CLK 6 // LCD SPI Clock.
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#define LCD_MOSI 7 // LCD SPI MOSI.
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#define LCD_RST 8 // used to reset LCD, low level to reset.
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#define LCD_BL 9 // LCD backlight control.
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// Buttons
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#define BUTTON_OK 0 // OK button, low level when pressed.
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#define BUTTON_UP 10 // UP button, low level when pressed.
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#define BUTTON_DOWN 11 // Down button, low level when pressed.
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#define BUTTON_MENU 14 // Menu button, low level when pressed.
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// LEDs
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#define LED_GREEN 15 // the light is lit when set high level.
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#define LED_YELLOW 16 // the light is lit when set high level.
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// Board Controls
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#define DEV_VBUS_EN 12 // High level to enable DEV_VBUS power supply.
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#define BOOST_EN 13 // High level to enable Battery Boost circuit.
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#define LIMIT_EN 17 // Enable USB_HOST current limiting IC, high level enable.
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#define USB_HOST_EN \
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18 // Used to switch the USB interface. When high level, the USB_HOST interface is enabled. When low level, the USB_DEV interface is enabled.
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// Board Sensors
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#define OVER_CURRENT 21 // Current overrun signal, high level means overrun.
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#define HOST_VOLTS 1 // USB_DEV voltage monitoring, ADC1 channel 0. actual_v = value_v * 3.7
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#define BAT_VOLTS 2 // Battery voltage monitoring, ADC1 channel 1. actual_v = value_v * 2
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// USB Port
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#define USB_DN 19 // USB D-
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#define USB_DP 20 // USB D+
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// Bottom header
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#define MTCK 39
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#define MTDO 40
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#define MTDI 41
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#define MTMS 42
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// #define FREE_6 3 // Idle, can be customized.
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// #define FREE_4 26 // Idle, can be customized.
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// #define FREE_1 45 // Idle, can be customized.
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// #define FREE_2 46 // Idle, can be customized.
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// #define FREE_5 47 // Idle, can be customized.
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// #define FREE_3 48 // Idle, can be customized.
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typedef enum {
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USB_HOST_POWER_OFF,
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USB_HOST_POWER_VBUS,
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USB_HOST_POWER_BAT
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} UsbHostPower_t;
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void usbHostPower(UsbHostPower_t mode);
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void usbHostEnable(bool enable);
50+
#define LCD_MODEL ST7789
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#define LCD_WIDTH 410
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#define LCD_HEIGHT 502
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#define LCD_HOST SPI3_HOST
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#define LCD_SCK 35 // GPIO35 • QSPI_CLK
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#define LCD_MOSI 33 // GPIO33 • QSPI_IO0 (D0)
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#define LCD_IO1 34 // GPIO34 • QSPI_IO1 (D1)
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#define LCD_IO2 37 // GPIO37 • QSPI_IO2 (D2)
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#define LCD_IO3 36 // GPIO36 • QSPI_IO3 (D3)
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#define LCD_CS 10 // GPIO10
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#define LCD_RST 9 // GPIO09
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#define LCD_DC -1 // not used in 4-line SPI
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/* Optional: back-light enable shares the NeoPixel pin */
64+
#define LCD_BL 5 // GPIO05 (same as NEOPIXEL)
65+
66+
/*──────────────── Analogue / Touch pads ────────────────*/
67+
static const uint8_t A0 = 11; // PIN4 – GPIO11 / TOUCH11 / ADC2_CH0
68+
static const uint8_t A1 = 12; // PIN6 – GPIO12 / TOUCH12 / ADC2_CH1
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static const uint8_t A2 = 13; // PIN8 – GPIO13 / TOUCH13 / ADC2_CH2
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static const uint8_t A3 = 14; // PIN10 – GPIO14 / TOUCH14 / ADC2_CH3
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static const uint8_t T0 = A0, T1 = A1, T2 = A2, T3 = A3;
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/*──────────────── On-board controls & indicator ─────────*/
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#define BUTTON_TOP 0 // GPIO00 – BOOT • active-LOW
75+
#define BUTTON_BOTTOM 6 // GPIO06 • active-LOW
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#define NEOPIXEL_PIN 5 // GPIO05 – WS2812
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#define LED_BUILTIN NEOPIXEL_PIN
78+
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/*──────────────── JTAG (also on connector) ──────────────*/
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#define MTCK 39 // PIN11 – GPIO39
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#define MTDO 40 // PIN13 – GPIO40
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#define MTDI 41 // PIN15 – GPIO41
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#define MTMS 42 // PIN17 – GPIO42
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85+
/*──────────────── 2×10 header: simple aliases ───────────
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NOTE: power pins (1 = 5 V, 2 = 3 V3, 19/20 = GND) are **not**
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exposed as GPIO numbers – they remain undefined here. */
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#define PIN3 1 // GPIO01 / TOUCH1 / ADC1_CH0
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#define PIN4 11 // GPIO11 / TOUCH11 / ADC2_CH0
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#define PIN5 2 // GPIO02 / TOUCH2 / ADC1_CH1
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#define PIN6 12 // GPIO12 / TOUCH12 / ADC2_CH1
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#define PIN7 3 // GPIO03 / TOUCH3 / ADC1_CH2
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#define PIN8 13 // GPIO13 / TOUCH13 / ADC2_CH2
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#define PIN9 4 // GPIO04 / TOUCH4 / ADC1_CH3
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#define PIN10 14 // GPIO14 / TOUCH14 / ADC2_CH3
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#define PIN11 39 // MTCK
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#define PIN12 37 // SCL (external I²C)
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#define PIN13 40 // MTDO
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#define PIN14 36 // SDA (external I²C)
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#define PIN15 41 // MTDI
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#define PIN16 43 // TX (U0TXD)
102+
#define PIN17 42 // MTMS
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#define PIN18 44 // RX (U0RXD)
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/* PIN1, PIN2, PIN19, PIN20 are power/ground and deliberately
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left undefined – they are **not** usable as GPIO. */
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#endif /* Pins_Arduino_h */

‎variants/kodedot/variant.cpp

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