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‎ports/espressif/boards/adafruit_esp32s2_camera/board.c

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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "supervisor/board.h"
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#include "mpconfigboard.h"
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#include "shared-bindings/busio/SPI.h"
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#include "shared-bindings/displayio/FourWire.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "shared-module/displayio/__init__.h"
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#include "shared-module/displayio/mipi_constants.h"
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#include "esp_log.h"
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displayio_fourwire_obj_t board_display_obj;
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#define DELAY 0x80
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uint8_t display_init_sequence[] = {
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0x01, 0 | DELAY, 150, // SWRESET
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0x11, 0 | DELAY, 255, // SLPOUT
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0x36, 1, 0b10100000, // _MADCTL for rotation 0
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0x3a, 1, 0x55, // COLMOD - 16bit color
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0x21, 0 | DELAY, 10, // _INVON
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0x13, 0 | DELAY, 10, // _NORON
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0x29, 0 | DELAY, 255, // _DISPON
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};
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void board_init(void) {
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// USB
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common_hal_never_reset_pin(&pin_GPIO19);
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common_hal_never_reset_pin(&pin_GPIO20);
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busio_spi_obj_t *spi = &displays[0].fourwire_bus.inline_bus;
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common_hal_busio_spi_construct(spi, &pin_GPIO36, &pin_GPIO35, NULL);
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common_hal_busio_spi_never_reset(spi);
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displayio_fourwire_obj_t *bus = &displays[0].fourwire_bus;
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bus->base.type = &displayio_fourwire_type;
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common_hal_displayio_fourwire_construct(bus,
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spi,
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&pin_GPIO39, // TFT_DC Command or data
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&pin_GPIO40, // TFT_CS Chip select
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&pin_GPIO41, // TFT_RESET Reset
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5000000, // Baudrate
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0, // Polarity
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0); // Phase
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// workaround as board_init() is called before reset_port() in main.c
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pwmout_reset();
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displayio_display_obj_t *display = &displays[0].display;
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display->base.type = &displayio_display_type;
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common_hal_displayio_display_construct(
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display,
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bus,
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240, // Width (after rotation)
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240, // Height (after rotation)
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80, // column start
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0, // row start
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270, // rotation
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16, // Color depth
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false, // Grayscale
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false, // Pixels in a byte share a row. Only used for depth < 8
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1, // bytes per cell. Only valid for depths < 8
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false, // reverse_pixels_in_byte. Only valid for depths < 8
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true, // reverse_pixels_in_word
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MIPI_COMMAND_SET_COLUMN_ADDRESS, // Set column command
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MIPI_COMMAND_SET_PAGE_ADDRESS, // Set row command
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MIPI_COMMAND_WRITE_MEMORY_START, // Write memory command
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display_init_sequence,
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sizeof(display_init_sequence),
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&pin_GPIO38, // backlight pin
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NO_BRIGHTNESS_COMMAND,
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1.0f, // brightness (ignored)
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true, // auto_brightness
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false, // single_byte_bounds
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false, // data_as_commands
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true, // auto_refresh
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60, // native_frames_per_second
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true, // backlight_on_high
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false); // not SH1107
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}
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bool board_requests_safe_mode(void) {
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return false;
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}
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void reset_board(void) {
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}
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void board_deinit(void) {
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common_hal_displayio_release_displays();
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}

‎ports/espressif/boards/adafruit_esp32s2_camera/mpconfigboard.h

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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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// Micropython setup
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#define MICROPY_HW_BOARD_NAME "Adafruit Camera"
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#define MICROPY_HW_MCU_NAME "ESP32S2"
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#define MICROPY_HW_NEOPIXEL (&pin_GPIO21)
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#define MICROPY_HW_NEOPIXEL_COUNT (6)
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#define CIRCUITPY_BOOT_BUTTON (&pin_GPIO0)
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#define BOARD_USER_SAFE_MODE_ACTION translate("pressing boot button at start up.\n")
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#define AUTORESET_DELAY_MS 500
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#define DEFAULT_I2C_BUS_SCL (&pin_GPIO33)
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#define DEFAULT_I2C_BUS_SDA (&pin_GPIO34)
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#define DEFAULT_SPI_BUS_SCK (&pin_GPIO36)
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#define DEFAULT_SPI_BUS_MOSI (&pin_GPIO35)
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#define DEFAULT_SPI_BUS_MISO (&pin_GPIO37)

‎ports/espressif/boards/adafruit_esp32s2_camera/mpconfigboard.mk

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USB_VID = 0x239A
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USB_PID = 0x8118
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USB_PRODUCT = "Camera"
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USB_MANUFACTURER = "Adafruit"
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IDF_TARGET = esp32s2
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INTERNAL_FLASH_FILESYSTEM = 1
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LONGINT_IMPL = MPZ
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# The default queue depth of 16 overflows on release builds,
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# so increase it to 32.
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CFLAGS += -DCFG_TUD_TASK_QUEUE_SZ=32
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CIRCUITPY_ESP_FLASH_MODE=dio
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CIRCUITPY_ESP_FLASH_FREQ=40m
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CIRCUITPY_ESP_FLASH_SIZE=4MB
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CIRCUITPY_MODULE=wrover

‎ports/espressif/boards/adafruit_esp32s2_camera/pins.c

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#include "shared-bindings/board/__init__.h"
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#include "shared-module/displayio/__init__.h"
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STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
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CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
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{ MP_ROM_QSTR(MP_QSTR_TFT_MOSI), MP_ROM_PTR(&pin_GPIO35) },
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{ MP_ROM_QSTR(MP_QSTR_TFT_SCK), MP_ROM_PTR(&pin_GPIO36) },
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{ MP_ROM_QSTR(MP_QSTR_TFT_BACKLIGHT), MP_ROM_PTR(&pin_GPIO38) },
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{ MP_ROM_QSTR(MP_QSTR_TFT_DC), MP_ROM_PTR(&pin_GPIO39) },
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{ MP_ROM_QSTR(MP_QSTR_TFT_CS), MP_ROM_PTR(&pin_GPIO40) },
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{ MP_ROM_QSTR(MP_QSTR_TFT_RESET), MP_ROM_PTR(&pin_GPIO41) },
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{ MP_ROM_QSTR(MP_QSTR_CARD_CS), MP_ROM_PTR(&pin_GPIO4) },
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{ MP_ROM_QSTR(MP_QSTR_IRQ), MP_ROM_PTR(&pin_GPIO3) },
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{ MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO21) },
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{ MP_ROM_QSTR(MP_QSTR_SPEAKER), MP_ROM_PTR(&pin_GPIO45) },
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{ MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO2) },
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{ MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO17) },
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{ MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO18) },
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{ MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO33) },
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{ MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO34) },
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{ MP_ROM_QSTR(MP_QSTR_CAMERA_VSYNC), MP_ROM_PTR(&pin_GPIO5) },
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{ MP_ROM_QSTR(MP_QSTR_CAMERA_HSYNC), MP_ROM_PTR(&pin_GPIO6) },
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{ MP_ROM_QSTR(MP_QSTR_CAMERA_DATA9), MP_ROM_PTR(&pin_GPIO7) },
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{ MP_ROM_QSTR(MP_QSTR_CAMERA_XCLK), MP_ROM_PTR(&pin_GPIO8) },
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{ MP_ROM_QSTR(MP_QSTR_CAMERA_DATA8), MP_ROM_PTR(&pin_GPIO9) },
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{ MP_ROM_QSTR(MP_QSTR_CAMERA_DATA7), MP_ROM_PTR(&pin_GPIO10) },
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{ MP_ROM_QSTR(MP_QSTR_CAMERA_PCLK), MP_ROM_PTR(&pin_GPIO11) },
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{ MP_ROM_QSTR(MP_QSTR_CAMERA_DATA6), MP_ROM_PTR(&pin_GPIO12) },
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{ MP_ROM_QSTR(MP_QSTR_CAMERA_DATA2), MP_ROM_PTR(&pin_GPIO13) },
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{ MP_ROM_QSTR(MP_QSTR_CAMERA_DATA5), MP_ROM_PTR(&pin_GPIO14) },
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{ MP_ROM_QSTR(MP_QSTR_CAMERA_DATA3), MP_ROM_PTR(&pin_GPIO15) },
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{ MP_ROM_QSTR(MP_QSTR_CAMERA_DATA4), MP_ROM_PTR(&pin_GPIO16) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
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{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
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{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display)},
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

‎ports/espressif/boards/adafruit_esp32s2_camera/sdkconfig

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CONFIG_ESP32S2_SPIRAM_SUPPORT=y
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#
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# SPI RAM config
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#
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# CONFIG_SPIRAM_TYPE_AUTO is not set
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CONFIG_SPIRAM_TYPE_ESPPSRAM16=y
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# CONFIG_SPIRAM_TYPE_ESPPSRAM32 is not set
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# CONFIG_SPIRAM_TYPE_ESPPSRAM64 is not set
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CONFIG_SPIRAM_SIZE=2097152
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#
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# PSRAM clock and cs IO for ESP32S2
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#
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CONFIG_DEFAULT_PSRAM_CLK_IO=30
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CONFIG_DEFAULT_PSRAM_CS_IO=26
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# end of PSRAM clock and cs IO for ESP32S2
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# CONFIG_SPIRAM_FETCH_INSTRUCTIONS is not set
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# CONFIG_SPIRAM_RODATA is not set
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# CONFIG_SPIRAM_SPEED_80M is not set
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CONFIG_SPIRAM_SPEED_40M=y
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# CONFIG_SPIRAM_SPEED_26M is not set
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# CONFIG_SPIRAM_SPEED_20M is not set
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CONFIG_SPIRAM=y
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CONFIG_SPIRAM_BOOT_INIT=y
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# CONFIG_SPIRAM_IGNORE_NOTFOUND is not set
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CONFIG_SPIRAM_USE_MEMMAP=y
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# CONFIG_SPIRAM_USE_CAPS_ALLOC is not set
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# CONFIG_SPIRAM_USE_MALLOC is not set
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CONFIG_SPIRAM_MEMTEST=y
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# CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY is not set
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# end of SPI RAM config

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