Add OHARARP ESP32-B board definition

ports/espressif/boards/ohararp_esp32b/board.c

@@ -0,0 +1,10 @@
+// This file is part of the CircuitPython project: https://circuitpython.org
+// SPDX-FileCopyrightText: Copyright (c) 2025 OHARARP LLC
+// SPDX-License-Identifier: MIT
+
+#include "supervisor/board.h"
+#include "mpconfigboard.h"
+#include "shared-bindings/microcontroller/Pin.h"
+
+void board_init(void) {
+}

ports/espressif/boards/ohararp_esp32b/mpconfigboard.h

@@ -0,0 +1,30 @@
+// This file is part of the CircuitPython project: https://circuitpython.org
+// SPDX-FileCopyrightText: Copyright (c) 2025 OHARARP LLC
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#define MICROPY_HW_BOARD_NAME       "OHARARP ESP32-B"
+#define MICROPY_HW_MCU_NAME         "ESP32-S3"
+
+// USB configuration
+#define MICROPY_HW_USB_VID          0x303A
+#define MICROPY_HW_USB_PID          0x8249
+
+// NeoPixel
+#define MICROPY_HW_NEOPIXEL         (&pin_GPIO48)
+
+// Status LED
+#define MICROPY_HW_LED              (&pin_GPIO21)
+#define MICROPY_HW_LED_STATUS       (&pin_GPIO21)
+
+// Default bus pins
+#define DEFAULT_I2C_BUS_SCL         (&pin_GPIO9)
+#define DEFAULT_I2C_BUS_SDA         (&pin_GPIO8)
+
+#define DEFAULT_SPI_BUS_SCK         (&pin_GPIO12)
+#define DEFAULT_SPI_BUS_MOSI        (&pin_GPIO11)
+#define DEFAULT_SPI_BUS_MISO        (&pin_GPIO13)
+
+#define DEFAULT_UART_BUS_TX         (&pin_GPIO43)
+#define DEFAULT_UART_BUS_RX         (&pin_GPIO44)

ports/espressif/boards/ohararp_esp32b/mpconfigboard.mk

@@ -0,0 +1,16 @@
+USB_VID = 0x303A
+USB_PID = 0x8249
+USB_PRODUCT = "ESP32-B"
+USB_MANUFACTURER = "OHARARP LLC"
+
+IDF_TARGET = esp32s3
+
+CIRCUITPY_ESP_FLASH_SIZE = 16MB
+CIRCUITPY_ESP_FLASH_MODE = qio
+CIRCUITPY_ESP_FLASH_FREQ = 80m
+
+CIRCUITPY_ESP_PSRAM_SIZE = 8MB
+CIRCUITPY_ESP_PSRAM_MODE = opi
+CIRCUITPY_ESP_PSRAM_FREQ = 80m
+
+CIRCUITPY_NEOPIXEL_WRITE = 1

ports/espressif/boards/ohararp_esp32b/pins.c

@@ -0,0 +1,64 @@
+// This file is part of the CircuitPython project: https://circuitpython.org
+// SPDX-FileCopyrightText: Copyright (c) 2025 OHARARP LLC
+// SPDX-License-Identifier: MIT
+
+#include "shared-bindings/board/__init__.h"
+
+static const mp_rom_map_elem_t board_module_globals_table[] = {
+    CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
+
+    // Analog pins (accent Feather pinout)
+    { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO1) },
+    { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO2) },
+    { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO4) },
+    { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_GPIO6) },
+    { MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_GPIO7) },
+
+    // Digital pins (Feather pinout)
+    { MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_GPIO39) },
+    { MP_ROM_QSTR(MP_QSTR_D6), MP_ROM_PTR(&pin_GPIO47) },
+    { MP_ROM_QSTR(MP_QSTR_D9), MP_ROM_PTR(&pin_GPIO18) },
+    { MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_GPIO16) },
+    { MP_ROM_QSTR(MP_QSTR_D11), MP_ROM_PTR(&pin_GPIO15) },
+    { MP_ROM_QSTR(MP_QSTR_D12), MP_ROM_PTR(&pin_GPIO14) },
+
+    // UART
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO43) },
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO44) },
+
+    // I2C
+    { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO8) },
+
+    // SPI
+    { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_GPIO12) },
+    { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO11) },
+    { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO13) },
+
+    // SD card
+    { MP_ROM_QSTR(MP_QSTR_SD_CS), MP_ROM_PTR(&pin_GPIO10) },
+    { MP_ROM_QSTR(MP_QSTR_SD_CD), MP_ROM_PTR(&pin_GPIO38) },
+
+    // RTC interrupt
+    { MP_ROM_QSTR(MP_QSTR_RTC_INT), MP_ROM_PTR(&pin_GPIO17) },
+
+    // NeoPixel
+    { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO48) },
+
+    // Status LED
+    { MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO21) },
+    { MP_ROM_QSTR(MP_QSTR_STATUS_LED), MP_ROM_PTR(&pin_GPIO21) },
+
+    // User buttons
+    { MP_ROM_QSTR(MP_QSTR_BUTTON_A), MP_ROM_PTR(&pin_GPIO41) },
+    { MP_ROM_QSTR(MP_QSTR_BUTTON_B), MP_ROM_PTR(&pin_GPIO42) },
+    { MP_ROM_QSTR(MP_QSTR_BOOT), MP_ROM_PTR(&pin_GPIO0) },
+
+    // I2C, SPI, UART bus objects
+    { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_STEMMA_I2C), MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
+    { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

ports/espressif/boards/ohararp_esp32b/sdkconfig

@@ -0,0 +1,17 @@
+CONFIG_ESP32S3_SPIRAM_SUPPORT=y
+
+CONFIG_SPIRAM_MODE_OCT=y
+CONFIG_SPIRAM_TYPE_AUTO=y
+CONFIG_DEFAULT_PSRAM_CLK_IO=30
+CONFIG_DEFAULT_PSRAM_CS_IO=26
+CONFIG_SPIRAM_SPEED_80M=y
+
+CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ_240=y
+CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ=240
+
+CONFIG_ESP32S3_DATA_CACHE_64KB=y
+CONFIG_ESP32S3_DATA_CACHE_LINE_64B=y
+
+# USB CDC on native USB pins (IO19/IO20)
+CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG=n
+CONFIG_ESP_CONSOLE_USB_CDC=y