Added support for the Watchy board by SQFMI.

ports/espressif/boards/sqfmi_watchy/board.c

@@ -0,0 +1,241 @@
+/*
+ * 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/fourwire/FourWire.h"
+#include "shared-bindings/microcontroller/Pin.h"
+#include "shared-module/displayio/__init__.h"
+#include "supervisor/shared/board.h"
+#include "components/driver/gpio/include/driver/gpio.h"
+#include "components/hal/include/hal/gpio_hal.h"
+
+#include "common-hal/microcontroller/Pin.h"
+
+#include "components/log/include/esp_log.h"
+#include "supervisor/filesystem.h"
+
+#define DELAY               0x80
+
+#define EPD_WIDTH           200
+#define EPD_HEIGHT          200
+#define EPD_X_OFFSET        0
+#define EPD_Y_OFFSET        0
+#define EPD_FIRST_COLUMN    EPD_X_OFFSET
+#define EPD_LAST_COLUMN     (EPD_X_OFFSET + EPD_WIDTH - 1)
+#define EPD_FIRST_ROW       EPD_Y_OFFSET
+#define EPD_LAST_ROW        (EPD_Y_OFFSET + EPD_HEIGHT - 1)
+#define EPD_X_WINDOW_START  (EPD_FIRST_COLUMN / 8)
+#define EPD_X_WINDOW_END    (EPD_LAST_COLUMN / 8)
+#define EPD_Y_WINDOW_START  EPD_FIRST_ROW
+#define EPD_Y_WINDOW_END    EPD_LAST_ROW
+
+
+
+#define EPD_EVEN_FIRST      0x0
+#define EPD_ODD_FIRST       0x4
+#define EPD_NO_INTERLACE    0x0
+#define EPD_INTERLACE       0x2
+#define EPD_SCAN_FORWARD    0x0
+#define EPD_SCAN_BACKWARD   0x1
+
+#define EPD_WHITE_BORDER    0x5
+#define EPD_BLACK_BORDER    0x2
+
+#define EPD_EXTERNAL_SENSOR 0x48
+#define EPD_INTERNAL_SENSOR 0x80
+
+#define EPD_RED_ENABLE      0x00
+#define EPD_RED_DISABLE     0x40
+#define EPD_RED_INVERT      0x80
+#define EPD_BLACK_ENABLE    0x00
+#define EPD_BLACK_DISABLE   0x04
+#define EPD_BLACK_INVERT    0x08
+
+#define EPD_Y_FORWARDS      0x02
+#define EPD_Y_BACKWARDS     0x00
+#define EPD_X_FORWARDS      0x01
+#define EPD_X_BACKWARDS     0x00
+#define EPD_RIGHT_THEN_DOWN 0x00
+#define EPD_DOWN_THEN_RIGHT 0x04
+
+#define EPD_MODE_NORMAL     0x00
+#define EPD_MODE_SLEEP_1    0x01
+#define EPD_MODE_SLEEP_2    0x03
+
+// Combine the below commands to make an update sequence.
+// Note that commands like CLOCK_ON and CLOCK_OFF can be used together.
+// In this case, the signal will be enabled before the update and disabled after.
+#define EPDU_CLOCK_ON       0x80
+#define EPDU_ANALOG_ON      0x40
+#define EPDU_LOAD_TEMP      0x20
+#define EPDU_LOAD_LUT       0x10
+#define EPDU_DISP_MODE_1    0x00
+#define EPDU_DISP_MODE_2    0x08
+#define EPDU_OUTPUT         0x04
+#define EPDU_ANALOG_OFF     0x02
+#define EPDU_CLOCK_OFF      0x01
+#define EPDU_DISPLAY        (EPDU_OUTPUT | EPDU_LOAD_LUT)
+
+// Watchy EPD settings
+#define EPD_GATE_SETTINGS   EPD_EVEN_FIRST | EPD_NO_INTERLACE | EPD_SCAN_FORWARD
+#define EPD_ENTRY_MODE      EPD_X_FORWARDS | EPD_Y_FORWARDS | EPD_RIGHT_THEN_DOWN
+#define EPD_COLOUR_MODE     EPD_RED_DISABLE | EPD_BLACK_INVERT
+#define EPD_UPDATE_SEQUENCE (EPDU_CLOCK_ON | EPDU_ANALOG_ON | EPDU_LOAD_TEMP | \
+    EPDU_DISPLAY | EPDU_DISP_MODE_1 | EPDU_CLOCK_OFF | \
+    EPDU_ANALOG_OFF)
+#define EPD_POST_UPDATE     (EPDU_CLOCK_ON | EPDU_CLOCK_OFF | EPDU_ANALOG_OFF)
+
+
+#define EPDCMD_GATE_SETTING         0x01
+#define EPDCMD_DEEP_SLEEP           0x10
+#define EPDCMD_ENTRY_MODE           0x11
+#define EPDCMD_SOFT_RESET           0x12
+#define EPDCMD_TEMP_SENSOR          0x18
+#define EPDCMD_PANEL_COLOURS        0x21
+#define EPDCMD_MASTER_ACTIVATE      0x20
+#define EPDCMD_UPDATE_SEQUENCE      0x22
+#define EPDCMD_BORDER_WAVEFORM      0x3C
+#define EPDCMD_WRITE_RAM            0x24
+#define EPDCMD_X_WINDOW             0x44
+#define EPDCMD_Y_WINDOW             0x45
+#define EPDCMD_X_OFFSET             0x4E
+#define EPDCMD_Y_OFFSET             0x4F
+#define EPDCMD_NOP                  0x7F
+
+
+const uint8_t display_start_sequence[] = {
+    EPDCMD_SOFT_RESET,      DELAY,  20,
+    EPDCMD_GATE_SETTING,    3,      EPD_LAST_ROW % 256, EPD_LAST_ROW / 256,
+    EPD_GATE_SETTINGS,
+    EPDCMD_BORDER_WAVEFORM, 1,      EPD_BLACK_BORDER,
+    EPDCMD_TEMP_SENSOR,     1,      EPD_INTERNAL_SENSOR,
+    EPDCMD_PANEL_COLOURS,   1,      EPD_COLOUR_MODE,
+    EPDCMD_ENTRY_MODE,      1,      EPD_ENTRY_MODE,
+    EPDCMD_X_WINDOW, 2, EPD_X_WINDOW_START, EPD_X_WINDOW_END,
+    EPDCMD_Y_WINDOW, 4, EPD_Y_WINDOW_START % 256, EPD_Y_WINDOW_START / 256,
+    EPD_Y_WINDOW_END % 256, EPD_Y_WINDOW_END / 256,
+    EPDCMD_X_OFFSET, 1, EPD_X_WINDOW_START,
+    EPDCMD_Y_OFFSET, 2, EPD_Y_WINDOW_START % 256, EPD_Y_WINDOW_START / 256,
+
+    EPDCMD_UPDATE_SEQUENCE, 1, EPD_UPDATE_SEQUENCE,
+};
+
+const uint8_t display_stop_sequence[] = {
+    EPDCMD_DEEP_SLEEP, 1, 0x01
+};
+
+const uint8_t refresh_sequence[] = {
+    EPDCMD_MASTER_ACTIVATE, 0
+};
+
+
+
+void board_init(void) {
+    // Debug UART
+    #ifdef DEBUG
+    common_hal_never_reset_pin(&pin_GPIO43);
+    common_hal_never_reset_pin(&pin_GPIO44);
+    #endif /* DEBUG */
+
+    fourwire_fourwire_obj_t *bus = &allocate_display_bus()->fourwire_bus;
+    busio_spi_obj_t *spi = &bus->inline_bus;
+    common_hal_busio_spi_construct(spi, &pin_GPIO18, &pin_GPIO23, NULL, false);
+    common_hal_busio_spi_never_reset(spi);
+    bus->base.type = &fourwire_fourwire_type;
+
+    common_hal_fourwire_fourwire_construct(
+        bus,
+        spi,
+        &pin_GPIO10, // EPD_DC Command or data
+        &pin_GPIO5, // EPD_CS Chip select
+        &pin_GPIO9, // EPD_RST Reset
+        2000000, // Baudrate
+        0, // Polarity
+        0 // Phase
+        );
+
+    epaperdisplay_epaperdisplay_obj_t *display = &allocate_display()->epaper_display;
+    display->base.type = &epaperdisplay_epaperdisplay_type;
+    common_hal_epaperdisplay_epaperdisplay_construct(
+        display,
+        bus,
+        display_start_sequence, sizeof(display_start_sequence),
+        (double)0.01, // start up time
+        display_stop_sequence, sizeof(display_stop_sequence),
+        200,  // width
+        200,  // height
+        200,  // ram_width
+        296,  // ram_height
+        0,  // colstart
+        0,  // rowstart
+        0,  // rotation
+        0x44,  // set_column_window_command
+        0x45,  // set_row_window_command
+        0x4E,  // set_current_column_command
+        0x4F,  // set_current_row_command
+        0x24,  // write_black_ram_command
+        true,  // black_bits_inverted
+        0x26,  // write_color_ram_command
+        false,  // color_bits_inverted
+        0x000000,  // highlight_color
+        refresh_sequence, sizeof(refresh_sequence),
+        (double)1.0,  // refresh_time
+        &pin_GPIO19,  // busy_pin
+        true,  // busy_state
+        (double)5.0, // seconds_per_frame
+        false,  // always_toggle_chip_select
+        false, // grayscale
+        false, // acep
+        false,  // two_byte_sequence_length
+        true // address_little_endian
+        );
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+bool espressif_board_reset_pin_number(gpio_num_t pin_number) {
+    if (pin_number == 13) {
+        gpio_set_direction(pin_number, GPIO_MODE_DEF_OUTPUT);
+        gpio_set_level(pin_number, false);
+        return true;
+    }
+    return false;
+}
+
+void reset_board(void) {
+    gpio_set_direction(13, GPIO_MODE_OUTPUT);
+    gpio_set_level(13, false);
+
+}
+
+void board_deinit(void) {
+    gpio_set_direction(13, GPIO_MODE_DEF_OUTPUT);
+    gpio_set_level(13, false);
+}

ports/espressif/boards/sqfmi_watchy/mpconfigboard.h

@@ -0,0 +1,40 @@
+/*
+ * 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       "SQFMI Watchy"
+#define MICROPY_HW_MCU_NAME         "ESP32-PICO-D4"
+
+#define CIRCUITPY_BOARD_I2C         (1)
+#define CIRCUITPY_BOARD_I2C_PIN     {{.scl = &pin_GPIO22, .sda = &pin_GPIO21}}
+
+#define CIRCUITPY_BOARD_SPI         (1)
+#define CIRCUITPY_BOARD_SPI_PIN     {{.clock = &pin_GPIO18, .mosi = &pin_GPIO23, .miso = &pin_GPIO16}}
+
+// UART pins attached to the USB-serial converter chip
+#define CIRCUITPY_CONSOLE_UART_TX (&pin_GPIO1)
+#define CIRCUITPY_CONSOLE_UART_RX (&pin_GPIO3)

ports/espressif/boards/sqfmi_watchy/mpconfigboard.mk

@@ -0,0 +1,11 @@
+CIRCUITPY_CREATOR_ID = 0x4496E3F4
+CIRCUITPY_CREATION_ID = 0x00320024
+
+
+CIRCUITPY_ESPCAMERA = 0
+
+CIRCUITPY_ESP_FLASH_MODE=dio
+CIRCUITPY_ESP_FLASH_FREQ=40m
+CIRCUITPY_ESP_FLASH_SIZE=4MB
+
+IDF_TARGET = esp32

ports/espressif/boards/sqfmi_watchy/pins.c

@@ -0,0 +1,30 @@
+#include "shared-bindings/board/__init__.h"
+#include "shared-module/displayio/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
+    CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
+
+    { MP_ROM_QSTR(MP_QSTR_VBAT), MP_ROM_PTR(&pin_GPIO34) },
+    { MP_ROM_QSTR(MP_QSTR_S32K), MP_ROM_PTR(&pin_GPIO33) },
+    { MP_ROM_QSTR(MP_QSTR_BTN1), MP_ROM_PTR(&pin_GPIO26) },
+    { MP_ROM_QSTR(MP_QSTR_BTN2), MP_ROM_PTR(&pin_GPIO25) },
+    { MP_ROM_QSTR(MP_QSTR_BTN3), MP_ROM_PTR(&pin_GPIO35) },
+    { MP_ROM_QSTR(MP_QSTR_BTN4), MP_ROM_PTR(&pin_GPIO4) },
+    { MP_ROM_QSTR(MP_QSTR_VIB), MP_ROM_PTR(&pin_GPIO13) },
+
+    { MP_ROM_QSTR(MP_QSTR_EPD_SS), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_EPD_BUSY), MP_ROM_PTR(&pin_GPIO19) },
+    { MP_ROM_QSTR(MP_QSTR_EPD_SCK), MP_ROM_PTR(&pin_GPIO18) },
+    { MP_ROM_QSTR(MP_QSTR_EPD_RES), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_EPD_DC), MP_ROM_PTR(&pin_GPIO10) },
+
+    { MP_ROM_QSTR(MP_QSTR_ACC_INT_1), MP_ROM_PTR(&pin_GPIO14) },
+    { MP_ROM_QSTR(MP_QSTR_ACC_INT_2), MP_ROM_PTR(&pin_GPIO12) },
+    { MP_ROM_QSTR(MP_QSTR_RTC_INT), MP_ROM_PTR(&pin_GPIO27) },
+
+    { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].epaper_display)},
+    { 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_UART), MP_ROM_PTR(&board_uart_obj) },
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

ports/espressif/boards/sqfmi_watchy/sdkconfig

@@ -0,0 +1,5 @@
+#
+# LWIP
+#
+CONFIG_LWIP_LOCAL_HOSTNAME="Watchy"
+# end of LWIP