Add Waveshare RP2040-LCD-0.96
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John Sanders
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129
ports/raspberrypi/boards/waveshare_rp2040_lcd_0_96/board.c
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ports/raspberrypi/boards/waveshare_rp2040_lcd_0_96/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) 2021 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-module/displayio/__init__.h"
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#include "shared-module/displayio/mipi_constants.h"
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#define DELAY 0x80
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// display init sequence according to Adafruit_CircuitPython_ST7735R
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// https://github.com/adafruit/Adafruit_CircuitPython_ST7735R
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uint8_t display_init_sequence[] = {
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// sw reset
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0x01, 0 | DELAY, 0x96,
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// SLPOUT and Delay
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0x11, 0 | DELAY, 0xFF,
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0xB1, 0x03, 0x01, 0x2C, 0x2D, // _FRMCTR1
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0xB3, 0x06, 0x01, 0x2C, 0x2D, 0x01, 0x2C, 0x2D, // _FRMCTR3
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0xB4, 0x01, 0x07, // _INVCTR line inversion
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0xC0, 0x03, 0xA2, 0x02, 0x84, // _PWCTR1 GVDD = 4.7V, 1.0uA
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0xC1, 0x01, 0xC5, // _PWCTR2 VGH=14.7V, VGL=-7.35V
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0xC2, 0x02, 0x0A, 0x00, // _PWCTR3 Opamp current small, Boost frequency
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0xC3, 0x02, 0x8A, 0x2A,
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0xC4, 0x02, 0x8A, 0xEE,
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0xC5, 0x01, 0x0E, // _VMCTR1 VCOMH = 4V, VOML = -1.1V
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0x20, 0x00, // _INVOFF
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0x36, 0x01, 0x18, // _MADCTL bottom to top refresh
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// 1 clk cycle nonoverlap, 2 cycle gate rise, 3 cycle osc equalie,
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// fix on VTL
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0x3A, 0x01, 0x05, // COLMOD - 16bit color
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0xE0, 0x10, 0x02, 0x1C, 0x07, 0x12, 0x37, 0x32, 0x29, 0x2D, 0x29, 0x25, 0x2B, 0x39, 0x00, 0x01, 0x03, 0x10, // _GMCTRP1 Gamma
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0xE1, 0x10, 0x03, 0x1D, 0x07, 0x06, 0x2E, 0x2C, 0x29, 0x2D, 0x2E, 0x2E, 0x37, 0x3F, 0x00, 0x00, 0x02, 0x10, // _GMCTRN1
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0x13, 0 | DELAY, 0x0A, // _NORON
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0x29, 0 | DELAY, 0x64, // _DISPON
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// 0x36, 0x01, 0xC0, // _MADCTL Default rotation plus BGR encoding
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0x36, 0x01, 0xC8, // _MADCTL Default rotation plus RGB encoding
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0x21, 0x00, // _INVON
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};
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static void display_init(void) {
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busio_spi_obj_t *spi = &displays[0].fourwire_bus.inline_bus;
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common_hal_busio_spi_construct(
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spi,
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&pin_GPIO10, // CLK
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&pin_GPIO11, // MOSI
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NULL, // MISO not connected
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false // Not half-duplex
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);
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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(
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bus,
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spi,
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&pin_GPIO8, // DC
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&pin_GPIO9, // CS
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&pin_GPIO12, // RST
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40000000, // baudrate
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0, // polarity
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0 // phase
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);
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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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160, // width (after rotation)
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80, // height (after rotation)
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26, // column start
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1, // row start
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90, // 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 valid for depths < 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_GPIO25, // backlight pin
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NO_BRIGHTNESS_COMMAND,
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1.0f, // 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, // SH1107_addressing
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50000 // backlight pwm frequency
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);
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}
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void board_init(void) {
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// Display
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display_init();
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}
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// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.
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#define MICROPY_HW_BOARD_NAME "Waveshare RP2040-LCD-0.96"
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#define MICROPY_HW_MCU_NAME "rp2040"
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#define CIRCUITPY_BOARD_I2C (1)
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#define CIRCUITPY_BOARD_I2C_PIN {{.scl = &pin_GPIO21, .sda = &pin_GPIO20}}
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#define CIRCUITPY_BOARD_SPI (1)
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#define CIRCUITPY_BOARD_SPI_PIN {{.clock = &pin_GPIO18, .mosi = &pin_GPIO19, .miso = &pin_GPIO16}}
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#define CIRCUITPY_BOARD_UART (1)
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#define CIRCUITPY_BOARD_UART_PIN {{.tx = &pin_GPIO0, .rx = &pin_GPIO1}}
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USB_VID = 0x2E8A
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USB_PID = 0x1021
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USB_PRODUCT = "Waveshare RP2040-LCD-0.96"
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USB_MANUFACTURER = "Waveshare Electronics"
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CHIP_VARIANT = RP2040
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CHIP_FAMILY = rp2
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EXTERNAL_FLASH_DEVICES = "W25Q16JVxQ"
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CIRCUITPY__EVE = 1
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// Put board-specific pico-sdk definitions here. This file must exist.
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57
ports/raspberrypi/boards/waveshare_rp2040_lcd_0_96/pins.c
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ports/raspberrypi/boards/waveshare_rp2040_lcd_0_96/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_GP0), MP_ROM_PTR(&pin_GPIO0) },
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{ MP_ROM_QSTR(MP_QSTR_GP1), MP_ROM_PTR(&pin_GPIO1) },
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{ MP_ROM_QSTR(MP_QSTR_GP2), MP_ROM_PTR(&pin_GPIO2) },
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{ MP_ROM_QSTR(MP_QSTR_GP3), MP_ROM_PTR(&pin_GPIO3) },
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{ MP_ROM_QSTR(MP_QSTR_GP4), MP_ROM_PTR(&pin_GPIO4) },
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{ MP_ROM_QSTR(MP_QSTR_GP5), MP_ROM_PTR(&pin_GPIO5) },
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{ MP_ROM_QSTR(MP_QSTR_GP6), MP_ROM_PTR(&pin_GPIO6) },
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{ MP_ROM_QSTR(MP_QSTR_GP7), MP_ROM_PTR(&pin_GPIO7) },
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{ MP_ROM_QSTR(MP_QSTR_GP8), MP_ROM_PTR(&pin_GPIO8) },
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{ MP_ROM_QSTR(MP_QSTR_GP9), MP_ROM_PTR(&pin_GPIO9) },
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{ MP_ROM_QSTR(MP_QSTR_GP10), MP_ROM_PTR(&pin_GPIO10) },
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{ MP_ROM_QSTR(MP_QSTR_GP11), MP_ROM_PTR(&pin_GPIO11) },
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{ MP_ROM_QSTR(MP_QSTR_GP12), MP_ROM_PTR(&pin_GPIO12) },
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{ MP_ROM_QSTR(MP_QSTR_GP13), MP_ROM_PTR(&pin_GPIO13) },
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{ MP_ROM_QSTR(MP_QSTR_GP14), MP_ROM_PTR(&pin_GPIO14) },
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{ MP_ROM_QSTR(MP_QSTR_GP15), MP_ROM_PTR(&pin_GPIO15) },
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{ MP_ROM_QSTR(MP_QSTR_GP16), MP_ROM_PTR(&pin_GPIO16) },
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{ MP_ROM_QSTR(MP_QSTR_GP17), MP_ROM_PTR(&pin_GPIO17) },
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{ MP_ROM_QSTR(MP_QSTR_GP18), MP_ROM_PTR(&pin_GPIO18) },
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{ MP_ROM_QSTR(MP_QSTR_GP19), MP_ROM_PTR(&pin_GPIO19) },
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{ MP_ROM_QSTR(MP_QSTR_GP20), MP_ROM_PTR(&pin_GPIO20) },
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{ MP_ROM_QSTR(MP_QSTR_GP21), MP_ROM_PTR(&pin_GPIO21) },
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{ MP_ROM_QSTR(MP_QSTR_GP22), MP_ROM_PTR(&pin_GPIO22) },
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{ MP_ROM_QSTR(MP_QSTR_GP25), MP_ROM_PTR(&pin_GPIO25) },
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{ MP_ROM_QSTR(MP_QSTR_GP26), MP_ROM_PTR(&pin_GPIO26) },
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{ MP_ROM_QSTR(MP_QSTR_GP27), MP_ROM_PTR(&pin_GPIO27) },
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{ MP_ROM_QSTR(MP_QSTR_GP28), MP_ROM_PTR(&pin_GPIO28) },
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// ADC
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{ MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO26) },
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{ MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO27) },
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{ MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO28) },
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{ MP_ROM_QSTR(MP_QSTR_GP26_A0), MP_ROM_PTR(&pin_GPIO26) },
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{ MP_ROM_QSTR(MP_QSTR_GP27_A1), MP_ROM_PTR(&pin_GPIO27) },
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{ MP_ROM_QSTR(MP_QSTR_GP28_A2), MP_ROM_PTR(&pin_GPIO28) },
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// 0.96 inch LCD ST7735s
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{ MP_ROM_QSTR(MP_QSTR_LCD_DC), MP_ROM_PTR(&pin_GPIO8) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_CS), MP_ROM_PTR(&pin_GPIO9) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_CLK), MP_ROM_PTR(&pin_GPIO10) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_DIN), MP_ROM_PTR(&pin_GPIO11) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_RST), MP_ROM_PTR(&pin_GPIO12) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_BL), MP_ROM_PTR(&pin_GPIO25) },
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{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display) },
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// Power pins
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{ MP_ROM_QSTR(MP_QSTR_SMPS_MODE), MP_ROM_PTR(&pin_GPIO23) },
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{ MP_ROM_QSTR(MP_QSTR_VBUS_SENSE), MP_ROM_PTR(&pin_GPIO24) },
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{ MP_ROM_QSTR(MP_QSTR_VOLTAGE_MONITOR), MP_ROM_PTR(&pin_GPIO29) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);
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