Prvni ulozeni z chegewara githubu

variants/esp32s3usbotg/pins_arduino.h

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+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define USB_VID 0x303a
+#define USB_PID 0x1001
+
+#define EXTERNAL_NUM_INTERRUPTS 46
+#define NUM_DIGITAL_PINS        48
+#define NUM_ANALOG_INPUTS       20
+
+#define analogInputToDigitalPin(p)  (((p)<20)?(analogChannelToDigitalPin(p)):-1)
+#define digitalPinToInterrupt(p)    (((p)<48)?(p):-1)
+#define digitalPinHasPWM(p)         (p < 46)
+
+static const uint8_t TX = 43;
+static const uint8_t RX = 44;
+
+static const uint8_t SDA = 45;
+static const uint8_t SCL = 46;
+
+static const uint8_t SS    = 34;
+static const uint8_t MOSI  = 35;
+static const uint8_t MISO  = 37;
+static const uint8_t SCK   = 36;
+
+static const uint8_t A0 = 1;
+static const uint8_t A1 = 2;
+static const uint8_t A2 = 3;
+
+static const uint8_t T3 = 3;
+
+// SDCARD Slot
+#define BOARD_HAS_SDMMC
+#define SDMMC_D2     33 // SDMMC Data2
+#define SDMMC_D3     34 // SDMMC Data3 / SPI CS
+#define SDMMC_CMD    35 // SDMMC CMD   / SPI MOSI
+#define SDMMC_CLK    36 // SDMMC CLK   / SPI SCK
+#define SDMMC_D0     37 // SDMMC Data0 / SPI MISO
+#define SDMMC_D1     38 // SDMMC Data1
+#define BOARD_MAX_SDMMC_FREQ SDMMC_FREQ_DEFAULT
+
+// 240x240 LCD
+#define BOARD_HAS_SPI_LCD
+#define LCD_MODEL  ST7789
+#define LCD_WIDTH	240
+#define LCD_HEIGHT	240 // *RAM height is actually 320!
+#define LCD_MISO     -1 // LCD Does not use MISO.
+#define LCD_DC        4 // Used to switch data and command status.
+#define LCD_CS        5 // used to enable LCD, low level to enable.
+#define LCD_CLK       6 // LCD SPI Clock.
+#define LCD_MOSI      7 // LCD SPI MOSI.
+#define LCD_RST       8 // used to reset LCD, low level to reset.
+#define LCD_BL        9 // LCD backlight control.
+
+// Buttons
+#define BUTTON_OK     0 // OK button, low level when pressed.
+#define BUTTON_UP    10 // UP button, low level when pressed.
+#define BUTTON_DOWN  11 // Down button, low level when pressed.
+#define BUTTON_MENU  14 // Menu button, low level when pressed.
+
+// LEDs
+#define LED_GREEN    15 // the light is lit when set high level.
+#define LED_YELLOW   16 // the light is lit when set high level.
+
+// Board Controls
+#define DEV_VBUS_EN  12 // High level to enable DEV_VBUS power supply.
+#define BOOST_EN     13 // High level to enable Battery Boost circuit.
+#define LIMIT_EN     17 // Enable USB_HOST current limiting IC, high level enable.
+#define USB_HOST_EN  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.
+
+// Board Sensors
+#define OVER_CURRENT 21 // Current overrun signal, high level means overrun.
+#define HOST_VOLTS    1 // USB_DEV voltage monitoring, ADC1 channel 0. actual_v = value_v * 3.7
+#define BAT_VOLTS     2 // Battery voltage monitoring, ADC1 channel 1. actual_v = value_v * 2
+
+// USB Port
+#define USB_DN       19 // USB D-
+#define USB_DP       20 // USB D+
+
+// Bottom header
+#define MTCK         39
+#define MTDO         40
+#define MTDI         41
+#define MTMS         42
+// #define FREE_6        3 // Idle, can be customized.
+// #define FREE_4       26 // Idle, can be customized.
+// #define FREE_1       45 // Idle, can be customized.
+// #define FREE_2       46 // Idle, can be customized.
+// #define FREE_5       47 // Idle, can be customized.
+// #define FREE_3       48 // Idle, can be customized.
+
+typedef enum { USB_HOST_POWER_OFF, USB_HOST_POWER_VBUS, USB_HOST_POWER_BAT } UsbHostPower_t;
+void usbHostPower(UsbHostPower_t mode);
+void usbHostEnable(bool enable);
+
+#endif /* Pins_Arduino_h */

variants/esp32s3usbotg/variant.cpp

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+#include "Arduino.h"
+
+void usbHostPower(UsbHostPower_t mode){
+	static UsbHostPower_t m = USB_HOST_POWER_OFF;
+	if(m == mode){
+		return;
+	}
+	if(mode == USB_HOST_POWER_OFF){
+		digitalWrite(LIMIT_EN, LOW);
+		if(m == USB_HOST_POWER_VBUS){
+			digitalWrite(DEV_VBUS_EN, LOW);
+		} else if(m == USB_HOST_POWER_BAT){
+			digitalWrite(BOOST_EN, LOW);
+		}
+	} else if(mode == USB_HOST_POWER_VBUS){
+		if(m == USB_HOST_POWER_BAT){
+			digitalWrite(BOOST_EN, LOW);
+		}
+		digitalWrite(DEV_VBUS_EN, HIGH);
+	} else if(mode == USB_HOST_POWER_BAT){
+		if(m == USB_HOST_POWER_VBUS){
+			digitalWrite(DEV_VBUS_EN, LOW);
+		}
+		digitalWrite(BOOST_EN, HIGH);
+	}
+	if(mode != USB_HOST_POWER_OFF){
+		digitalWrite(LIMIT_EN, HIGH);
+	}
+	m = mode;
+}
+
+void usbHostEnable(bool enable){
+	digitalWrite(USB_HOST_EN, enable);
+}
+
+extern "C" void initVariant(void){
+	// Route USB to Device Side
+	pinMode(BOOST_EN,    OUTPUT); digitalWrite(BOOST_EN,    LOW);
+	pinMode(LIMIT_EN,    OUTPUT); digitalWrite(LIMIT_EN,    LOW);
+	pinMode(DEV_VBUS_EN, OUTPUT); digitalWrite(DEV_VBUS_EN, LOW);
+	pinMode(USB_HOST_EN, OUTPUT); digitalWrite(USB_HOST_EN, LOW);
+
+	// Turn Off LCD
+	pinMode(LCD_RST, OUTPUT); digitalWrite(LCD_RST, LOW);
+	pinMode(LCD_BL,  OUTPUT); digitalWrite(LCD_BL,  LOW);
+}