Add EInk Portal

5 files changed, 181 insertions, 0 deletions

diff --git a/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/board.c b/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/board.c
new file mode 100644
index 000000000..9f708874b
--- /dev/null
+++ b/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/board.c
@@ -0,0 +1,47 @@
+/*
+ * 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 "boards/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
+    common_hal_never_reset_pin(&pin_GPIO43);
+    common_hal_never_reset_pin(&pin_GPIO44);
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+void reset_board(void) {
+
+}
diff --git a/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/mpconfigboard.h b/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/mpconfigboard.h
new file mode 100644
index 000000000..5a17a0cad
--- /dev/null
+++ b/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/mpconfigboard.h
@@ -0,0 +1,45 @@
+/*
+ * 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       "EInk Portal"
+#define MICROPY_HW_MCU_NAME         "ESP32S2"
+
+#define MICROPY_HW_NEOPIXEL (&pin_GPIO1)
+
+#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_SCL (&pin_GPIO34)
+#define DEFAULT_I2C_BUS_SDA (&pin_GPIO33)
+
+#define DEFAULT_SPI_BUS_SCK (&pin_GPIO36)
+#define DEFAULT_SPI_BUS_MOSI (&pin_GPIO35)
+#define DEFAULT_SPI_BUS_MISO (&pin_GPIO37)
diff --git a/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/mpconfigboard.mk b/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/mpconfigboard.mk
new file mode 100644
index 000000000..31aff57da
--- /dev/null
+++ b/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/mpconfigboard.mk
@@ -0,0 +1,17 @@
+USB_VID = 0x239A
+USB_PID = 0x80E6
+USB_PRODUCT = "EInk Portal"
+USB_MANUFACTURER = "Adafruit"
+
+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
diff --git a/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/pins.c b/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/pins.c
new file mode 100644
index 000000000..2cf3d2402
--- /dev/null
+++ b/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/pins.c
@@ -0,0 +1,39 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
+    { MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_GPIO10) },
+    { MP_ROM_QSTR(MP_QSTR_AD1), MP_ROM_PTR(&pin_GPIO18) },
+    { MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_GPIO13) },
+
+    { MP_ROM_QSTR(MP_QSTR_SPEAKER), MP_ROM_PTR(&pin_GPIO17) },
+    { MP_ROM_QSTR(MP_QSTR_SPEAKER_ENABLE), MP_ROM_PTR(&pin_GPIO16) },
+
+    { MP_ROM_QSTR(MP_QSTR_EPD_BUSY), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_EPD_RESET), MP_ROM_PTR(&pin_GPIO6) },
+    { MP_ROM_QSTR(MP_QSTR_EPD_DC), MP_ROM_PTR(&pin_GPIO7) },
+    { MP_ROM_QSTR(MP_QSTR_EPD_CS), MP_ROM_PTR(&pin_GPIO8) },
+
+    { MP_ROM_QSTR(MP_QSTR_BUTTON_A), MP_ROM_PTR(&pin_GPIO15) },
+    { MP_ROM_QSTR(MP_QSTR_BUTTON_B), MP_ROM_PTR(&pin_GPIO14) },
+    { MP_ROM_QSTR(MP_QSTR_BUTTON_C), MP_ROM_PTR(&pin_GPIO12) },
+    { MP_ROM_QSTR(MP_QSTR_BUTTON_D), MP_ROM_PTR(&pin_GPIO11) },
+
+    { MP_ROM_QSTR(MP_QSTR_VOLTAGE_MONITOR), MP_ROM_PTR(&pin_GPIO2) },
+    { MP_ROM_QSTR(MP_QSTR_BATTERY), MP_ROM_PTR(&pin_GPIO2) },
+
+    { 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_CS), MP_ROM_PTR(&pin_GPIO8) },
+    { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO35) },
+    { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_GPIO36) },
+    { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO37) },
+
+    { MP_ROM_QSTR(MP_QSTR_NEOPIXEL_POWER), MP_ROM_PTR(&pin_GPIO21) },
+
+    { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO1) },
+
+    { 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_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);
diff --git a/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/sdkconfig b/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/sdkconfig
new file mode 100644
index 000000000..9d8bbde96
--- /dev/null
+++ b/ports/esp32s2/boards/adafruit_esp32s2_eink_portal/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