ESP32S2 camera board draft

ports/espressif/boards/adafruit_esp32s2_camera/board.c

@@ -0,0 +1,115 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "supervisor/board.h"
+#include "mpconfigboard.h"
+
+#include "shared-bindings/busio/SPI.h"
+#include "shared-bindings/displayio/FourWire.h"
+#include "shared-bindings/microcontroller/Pin.h"
+#include "shared-module/displayio/__init__.h"
+#include "shared-module/displayio/mipi_constants.h"
+#include "shared-bindings/board/__init__.h"
+
+#include "esp_log.h"
+
+displayio_fourwire_obj_t board_display_obj;
+
+#define DELAY 0x80
+
+uint8_t display_init_sequence[] = {
+    0x01, 0 | DELAY, 150, // SWRESET
+    0x11, 0 | DELAY, 255, // SLPOUT
+    0x36, 1, 0b10100000,  // _MADCTL for rotation 0
+    0x3a, 1, 0x55, // COLMOD - 16bit color
+    0x21, 0 | DELAY, 10,                 // _INVON
+    0x13, 0 | DELAY, 10,                 // _NORON
+    0x29, 0 | DELAY, 255,                // _DISPON
+};
+
+void board_init(void) {
+    // USB
+    common_hal_never_reset_pin(&pin_GPIO19);
+    common_hal_never_reset_pin(&pin_GPIO20);
+
+    busio_spi_obj_t *spi = common_hal_board_create_spi();
+    displayio_fourwire_obj_t *bus = &displays[0].fourwire_bus;
+    bus->base.type = &displayio_fourwire_type;
+    common_hal_displayio_fourwire_construct(bus,
+        spi,
+        &pin_GPIO39, // TFT_DC Command or data
+        &pin_GPIO40, // TFT_CS Chip select
+        &pin_GPIO41, // TFT_RESET Reset
+        5000000, // Baudrate
+        0, // Polarity
+        0); // Phase
+
+    // workaround as board_init() is called before reset_port() in main.c
+    pwmout_reset();
+
+    displayio_display_obj_t *display = &displays[0].display;
+    display->base.type = &displayio_display_type;
+    common_hal_displayio_display_construct(
+        display,
+        bus,
+        240, // Width (after rotation)
+        240, // Height (after rotation)
+        80, // column start
+        0, // row start
+        0, // rotation
+        16, // Color depth
+        false, // Grayscale
+        false, // Pixels in a byte share a row. Only used for depth < 8
+        1, // bytes per cell. Only valid for depths < 8
+        false, // reverse_pixels_in_byte. Only valid for depths < 8
+        true, // reverse_pixels_in_word
+        MIPI_COMMAND_SET_COLUMN_ADDRESS, // Set column command
+        MIPI_COMMAND_SET_PAGE_ADDRESS, // Set row command
+        MIPI_COMMAND_WRITE_MEMORY_START, // Write memory command
+        display_init_sequence,
+        sizeof(display_init_sequence),
+        &pin_GPIO38,  // backlight pin
+        NO_BRIGHTNESS_COMMAND,
+        1.0f, // brightness (ignored)
+        true, // auto_brightness
+        false, // single_byte_bounds
+        false, // data_as_commands
+        true, // auto_refresh
+        60, // native_frames_per_second
+        true, // backlight_on_high
+        false); // not SH1107
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+void reset_board(void) {
+}
+
+void board_deinit(void) {
+    common_hal_displayio_release_displays();
+}

ports/espressif/boards/adafruit_esp32s2_camera/mpconfigboard.h

@@ -0,0 +1,46 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+// Micropython setup
+
+#define MICROPY_HW_BOARD_NAME       "Adafruit Camera"
+#define MICROPY_HW_MCU_NAME         "ESP32S2"
+
+#define MICROPY_HW_NEOPIXEL (&pin_GPIO21)
+#define MICROPY_HW_NEOPIXEL_COUNT (6)
+
+#define CIRCUITPY_BOOT_BUTTON (&pin_GPIO0)
+
+#define BOARD_USER_SAFE_MODE_ACTION translate("pressing boot button at start up.\n")
+
+#define AUTORESET_DELAY_MS 500
+
+#define DEFAULT_I2C_BUS_SDA (&pin_GPIO33)
+#define DEFAULT_I2C_BUS_SCL (&pin_GPIO34)
+
+#define DEFAULT_SPI_BUS_MOSI (&pin_GPIO35)
+#define DEFAULT_SPI_BUS_SCK (&pin_GPIO36)
+#define DEFAULT_SPI_BUS_MISO (&pin_GPIO37)

ports/espressif/boards/adafruit_esp32s2_camera/mpconfigboard.mk

@@ -0,0 +1,19 @@
+USB_VID = 0x239A
+USB_PID = 0x8118
+USB_PRODUCT = "Camera"
+USB_MANUFACTURER = "Adafruit"
+
+IDF_TARGET = esp32s2
+
+INTERNAL_FLASH_FILESYSTEM = 1
+LONGINT_IMPL = MPZ
+
+# The default queue depth of 16 overflows on release builds,
+# so increase it to 32.
+CFLAGS += -DCFG_TUD_TASK_QUEUE_SZ=32
+
+CIRCUITPY_ESP_FLASH_MODE=dio
+CIRCUITPY_ESP_FLASH_FREQ=40m
+CIRCUITPY_ESP_FLASH_SIZE=4MB
+
+CIRCUITPY_MODULE=wrover

ports/espressif/boards/adafruit_esp32s2_camera/pins.c

@@ -0,0 +1,67 @@
+#include "py/objtuple.h"
+#include "shared-bindings/board/__init__.h"
+#include "shared-module/displayio/__init__.h"
+
+STATIC const mp_rom_obj_tuple_t camera_data_tuple = {
+    {&mp_type_tuple},
+    8,
+    {
+        MP_ROM_PTR(&pin_GPIO13),
+        MP_ROM_PTR(&pin_GPIO15),
+        MP_ROM_PTR(&pin_GPIO16),
+        MP_ROM_PTR(&pin_GPIO14),
+        MP_ROM_PTR(&pin_GPIO12),
+        MP_ROM_PTR(&pin_GPIO10),
+        MP_ROM_PTR(&pin_GPIO9),
+        MP_ROM_PTR(&pin_GPIO7),
+    }
+};
+
+
+STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
+    CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
+
+    { MP_ROM_QSTR(MP_QSTR_TFT_MOSI), MP_ROM_PTR(&pin_GPIO35) },
+    { MP_ROM_QSTR(MP_QSTR_TFT_SCK), MP_ROM_PTR(&pin_GPIO36) },
+    { MP_ROM_QSTR(MP_QSTR_TFT_BACKLIGHT), MP_ROM_PTR(&pin_GPIO38) },
+    { MP_ROM_QSTR(MP_QSTR_TFT_DC), MP_ROM_PTR(&pin_GPIO39) },
+    { MP_ROM_QSTR(MP_QSTR_TFT_CS), MP_ROM_PTR(&pin_GPIO40) },
+    { MP_ROM_QSTR(MP_QSTR_TFT_RESET), MP_ROM_PTR(&pin_GPIO41) },
+
+    { MP_ROM_QSTR(MP_QSTR_CARD_CS), MP_ROM_PTR(&pin_GPIO4) },
+
+    { MP_ROM_QSTR(MP_QSTR_IRQ), MP_ROM_PTR(&pin_GPIO3) },
+
+    { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO21) },
+
+    { MP_ROM_QSTR(MP_QSTR_SPEAKER), MP_ROM_PTR(&pin_GPIO45) },
+
+    { MP_ROM_QSTR(MP_QSTR_BUTTON), MP_ROM_PTR(&pin_GPIO0) },
+    { MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO2) },
+
+    { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO17) },
+    { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO18) },
+
+    { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO33) },
+    { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO34) },
+
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_DATA), MP_ROM_PTR(&camera_data_tuple) },
+
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_VSYNC), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_HREF), MP_ROM_PTR(&pin_GPIO6) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_DATA9), MP_ROM_PTR(&pin_GPIO7) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_XCLK), MP_ROM_PTR(&pin_GPIO8) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_DATA8), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_DATA7), MP_ROM_PTR(&pin_GPIO10) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_PCLK), MP_ROM_PTR(&pin_GPIO11) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_DATA6), MP_ROM_PTR(&pin_GPIO12) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_DATA2), MP_ROM_PTR(&pin_GPIO13) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_DATA5), MP_ROM_PTR(&pin_GPIO14) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_DATA3), MP_ROM_PTR(&pin_GPIO15) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_DATA4), MP_ROM_PTR(&pin_GPIO16) },
+
+    { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
+    { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display)},
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

ports/espressif/boards/adafruit_esp32s2_camera/sdkconfig

@@ -0,0 +1,33 @@
+CONFIG_ESP32S2_SPIRAM_SUPPORT=y
+
+#
+# SPI RAM config
+#
+# CONFIG_SPIRAM_TYPE_AUTO is not set
+CONFIG_SPIRAM_TYPE_ESPPSRAM16=y
+# CONFIG_SPIRAM_TYPE_ESPPSRAM32 is not set
+# CONFIG_SPIRAM_TYPE_ESPPSRAM64 is not set
+CONFIG_SPIRAM_SIZE=2097152
+
+#
+# PSRAM clock and cs IO for ESP32S2
+#
+CONFIG_DEFAULT_PSRAM_CLK_IO=30
+CONFIG_DEFAULT_PSRAM_CS_IO=26
+# end of PSRAM clock and cs IO for ESP32S2
+
+# CONFIG_SPIRAM_FETCH_INSTRUCTIONS is not set
+# CONFIG_SPIRAM_RODATA is not set
+# CONFIG_SPIRAM_SPEED_80M is not set
+CONFIG_SPIRAM_SPEED_40M=y
+# CONFIG_SPIRAM_SPEED_26M is not set
+# CONFIG_SPIRAM_SPEED_20M is not set
+CONFIG_SPIRAM=y
+CONFIG_SPIRAM_BOOT_INIT=y
+# CONFIG_SPIRAM_IGNORE_NOTFOUND is not set
+CONFIG_SPIRAM_USE_MEMMAP=y
+# CONFIG_SPIRAM_USE_CAPS_ALLOC is not set
+# CONFIG_SPIRAM_USE_MALLOC is not set
+CONFIG_SPIRAM_MEMTEST=y
+# CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY is not set
+# end of SPI RAM config

ports/espressif/boards/adafruit_feather_esp32s2/board.c

@@ -28,11 +28,18 @@
 #include "mpconfigboard.h"
 #include "shared-bindings/microcontroller/Pin.h"
 #include "components/driver/include/driver/gpio.h"
+#include "components/hal/include/hal/gpio_hal.h"
+#include "common-hal/microcontroller/Pin.h"
 
 void board_init(void) {
     // USB
     common_hal_never_reset_pin(&pin_GPIO19);
     common_hal_never_reset_pin(&pin_GPIO20);
+
+    // Turn on I2C
+    common_hal_never_reset_pin(&pin_GPIO7);
+    gpio_set_direction(7, GPIO_MODE_DEF_OUTPUT);
+    gpio_set_level(7, false);
 }
 
 bool board_requests_safe_mode(void) {

ports/espressif/boards/adafruit_qtpy_esp32s3_nopsram/board.c

@@ -0,0 +1,61 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "supervisor/board.h"
+#include "mpconfigboard.h"
+#include "shared-bindings/microcontroller/Pin.h"
+
+void board_init(void) {
+    // USB
+    common_hal_never_reset_pin(&pin_GPIO19);
+    common_hal_never_reset_pin(&pin_GPIO20);
+
+    // Debug UART
+    #ifdef DEBUG
+    common_hal_never_reset_pin(&pin_GPIO43);
+    common_hal_never_reset_pin(&pin_GPIO44);
+    #endif
+
+    // SPI Flash and RAM
+    common_hal_never_reset_pin(&pin_GPIO26);
+    common_hal_never_reset_pin(&pin_GPIO27);
+    common_hal_never_reset_pin(&pin_GPIO28);
+    common_hal_never_reset_pin(&pin_GPIO29);
+    common_hal_never_reset_pin(&pin_GPIO30);
+    common_hal_never_reset_pin(&pin_GPIO31);
+    common_hal_never_reset_pin(&pin_GPIO32);
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+void reset_board(void) {
+
+}
+
+void board_deinit(void) {
+}