8000 Heltec vision master e290 by SeanTheITGuy · Pull Request #10090 · adafruit/circuitpython · GitHub
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Merged
merged 3 commits into from
Feb 24, 2025
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Merged

Heltec vision master e290 #10090

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097446e
added support for heltec vision master e290
SeanTheITGuy Feb 20, 2025
811a992
updated usb vid
SeanTheITGuy Feb 20, 2025
f735454
modified usb_vid to match espressif allocation merge
SeanTheITGuy Feb 21, 2025
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111 changes: 111 additions & 0 deletions ports/espressif/boards/heltec_vision_master_e290/board.c
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// This file is part of the CircuitPython project: https://circuitpython.org
//
// SPDX-FileCopyrightText: Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
//
// SPDX-License-Identifier: MIT

#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 "shared-module/displayio/mipi_constants.h"
#include "shared-bindings/board/__init__.h"
#include "shared-bindings/digitalio/DigitalInOut.h"

const uint8_t display_start_sequence[] = {
0x12, 0x80, 0x14, // Soft reset and wait 20ms
0x11, 0x01, 0x03, // Ram data entry mode
0x3c, 0x01, 0x05, // border color
0x2c, 0x01, 0x36, // set vcom voltage
0x03, 0x01, 0x17, // Set gate voltage
0x04, 0x03, 0x41, 0x00, 0x32, // Set source voltage
0x4e, 0x01, 0x01, // ram x count
0x4f, 0x02, 0x00, 0x00, // ram y count
0x01, 0x03, 0x27, 0x01, 0x00, // set display size
0x22, 0x01, 0xf4, // display update mode
};

const uint8_t display_stop_sequence[] = {
0x10, 0x81, 0x01, 0x64, // Deep sleep
};

const uint8_t refresh_sequence[] = {
0x20,
};

void board_init(void) {

// Set vext high to enable EPD
digitalio_digitalinout_obj_t vext_pin_obj;
vext_pin_obj.base.type = &digitalio_digitalinout_type;
common_hal_digitalio_digitalinout_construct(&vext_pin_obj, &pin_GPIO18);
common_hal_digitalio_digitalinout_switch_to_output(&vext_pin_obj, true, DRIVE_MODE_PUSH_PULL);
common_hal_digitalio_digitalinout_never_reset(&vext_pin_obj);

// Set up the SPI object used to control the display
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_GPIO2, &pin_GPIO1, NULL, false);
common_hal_busio_spi_never_reset(spi);

// Set up the DisplayIO pin object
bus->base.type = &fourwire_fourwire_type;
common_hal_fourwire_fourwire_construct(bus,
spi,
&pin_GPIO4, // EPD_DC Command or data
&pin_GPIO3, // EPD_CS Chip select
&pin_GPIO5, // EPD_RST Reset
1000000, // Baudrate
0, // Polarity
0); // Phase

// Set up the DisplayIO epaper object
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),
0, // start up time
display_stop_sequence, sizeof(display_stop_sequence),
296, // width
128, // height
250, // ram_width
296, // ram_height
8, // colstart
0, // rowstart
90, // 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
false, // black_bits_inverted
0x26, // write_color_ram_command
false, // color_bits_inverted
0xFF0000, // highlight_color
refresh_sequence, sizeof(refresh_sequence), // refresh_display_command
1.0, // refresh_time
&pin_GPIO6, // busy_pin
true, // busy_state
2.0, // seconds_per_frame
false, // always_toggle_chip_select
false, // grayscale
false, // acep
false, // two_byte_sequence_length
true); // address_little_endian
}

void board_deinit(void) {
epaperdisplay_epaperdisplay_obj_t *display = &displays[0].epaper_display;
if (display->base.type == &epaperdisplay_epaperdisplay_type) {
while (common_hal_epaperdisplay_epaperdisplay_get_busy(display)) {
RUN_BACKGROUND_TASKS;
}
}
common_hal_displayio_release_displays();
}

// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.
28 changes: 28 additions & 0 deletions ports/espressif/boards/heltec_vision_master_e290/mpconfigboard.h
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// This file is part of the CircuitPython project: https://circuitpython.org
//
// SPDX-FileCopyrightText: Copyright (c) 2019 Scott Shawcroft for Adafruit Industries
//
// SPDX-License-Identifier: MIT

#pragma once

// Micropython setup

#define MICROPY_HW_BOARD_NAME "Heltec Vison Master E290"
#define MICROPY_HW_MCU_NAME "ESP32S3"

#define CIRCUITPY_BOOT_BUTTON (&pin_GPIO0)

#define CIRCUITPY_BOARD_SPI (2)
#define CIRCUITPY_BOARD_SPI_PIN { \
{.clock = &pin_GPIO2, .mosi = &pin_GPIO1, .miso = NULL}, \
{.clock = &pin_GPIO9, .mosi = &pin_GPIO10, .miso = &pin_GPIO11}, \
}

#define CIRCUITPY_BOARD_I2C (1)
#define CIRCUITPY_BOARD_I2C_PIN { \
{.scl = &pin_GPIO38, .sda = &pin_GPIO39}, \
}

#define DEFAULT_UART_BUS_TX (&pin_GPIO43)
#define DEFAULT_UART_BUS_RX (&pin_GPIO44)
16 changes: 16 additions & 0 deletions ports/espressif/boards/heltec_vision_master_e290/mpconfigboard.mk
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USB_VID = 0x303A
USB_PID = 0x82C9
USB_PRODUCT = "Vision Master E290"
USB_MANUFACTURER = "Heltec"

IDF_TARGET = esp32s3

CIRCUITPY_ESP_FLASH_SIZE = 16MB
CIRCUITPY_ESP_FLASH_MODE = qio
CIRCUITPY_ESP_FLASH_FREQ = 80m

CIRCUITPY_ESP_PSRAM_SIZE = 8MB
CIRCUITPY_ESP_PSRAM_MODE = opi
CIRCUITPY_ESP_PSRAM_FREQ = 80m

CIRCUITPY_ESPCAMERA = 0
77 changes: 77 additions & 0 deletions ports/espressif/boards/heltec_vision_master_e290/pins.c
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// This file is part of the CircuitPython project: https://circuitpython.org
//
// SPDX-FileCopyrightText: Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
//
// SPDX-License-Identifier: MIT

#include "shared-bindings/board/__init__.h"
#include "shared-module/displayio/__init__.h"

CIRCUITPY_BOARD_BUS_SINGLETON(epd_spi, spi, 0)
CIRCUITPY_BOARD_BUS_SINGLETON(lora_spi, spi, 1)

static const mp_rom_map_elem_t board_module_globals_table[] = {
CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS

// User buttons
{ MP_ROM_QSTR(MP_QSTR_BUTTON0), MP_ROM_PTR(&pin_GPIO0) },
{ MP_ROM_QSTR(MP_QSTR_BUTTON1), MP_ROM_PTR(&pin_GPIO21) },

// LED
{ MP_ROM_QSTR(MP_QSTR_LED0), MP_ROM_PTR(&pin_GPIO45) },

// ADC (When ADC_CTRL is high, VBAT is connected to ADC_IN with 390K/100K voltage divider)
{ MP_ROM_QSTR(MP_QSTR_ADC_CTRL), MP_ROM_PTR(&pin_GPIO46) },
{ MP_ROM_QSTR(MP_QSTR_ADC_IN), MP_ROM_PTR(&pin_GPIO7) },
{ MP_ROM_QSTR(MP_QSTR_BATTERY), MP_ROM_PTR(&pin_GPIO7) },

// VEXT powers epd and lora antenna boost when high
{ MP_ROM_QSTR(MP_QSTR_VEXT_CTRL), MP_ROM_PTR(&pin_GPIO18) },

// LORA SPI, Reset, and More
{ MP_ROM_QSTR(MP_QSTR_LORA_CS), MP_ROM_PTR(&pin_GPIO8) },
{ MP_ROM_QSTR(MP_QSTR_LORA_SCK), MP_ROM_PTR(&pin_GPIO9) },
{ MP_ROM_QSTR(MP_QSTR_LORA_MOSI), MP_ROM_PTR(&pin_GPIO10) },
{ MP_ROM_QSTR(MP_QSTR_LORA_MISO), MP_ROM_PTR(&pin_GPIO11) },
{ MP_ROM_QSTR(MP_QSTR_LORA_RESET), MP_ROM_PTR(&pin_GPIO12) },
{ MP_ROM_QSTR(MP_QSTR_LORA_BUSY), MP_ROM_PTR(&pin_GPIO13) },
{ MP_ROM_QSTR(MP_QSTR_LORA_DIO1), MP_ROM_PTR(&pin_GPIO14) },

// eInk Display
{ MP_ROM_QSTR(MP_QSTR_EPD_MOSI), MP_ROM_PTR(&pin_GPIO1) },
{ MP_ROM_QSTR(MP_QSTR_EPD_SCK), MP_ROM_PTR(&pin_GPIO2) },
{ MP_ROM_QSTR(MP_QSTR_EPD_CS), MP_ROM_PTR(&pin_GPIO3) },
{ MP_ROM_QSTR(MP_QSTR_EPD_DC), MP_ROM_PTR(&pin_GPIO4) },
{ MP_ROM_QSTR(MP_QSTR_EPD_RESET), MP_ROM_PTR(&pin_GPIO5) },
{ MP_ROM_QSTR(MP_QSTR_EPD_BUSY), MP_ROM_PTR(&pin_GPIO6) },

// I2C on external connector P2
{ MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO38) },
{ MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO39) },

// UART
{ MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO43) },
{ MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO44) },

// User available pins on GPIO header
{ MP_ROM_QSTR(MP_QSTR_IO0), MP_ROM_PTR(&pin_GPIO0) }, // BOOT pin (IO0) is on header
{ MP_ROM_QSTR(MP_QSTR_IO17), MP_ROM_PTR(&pin_GPIO17) },
{ MP_ROM_QSTR(MP_QSTR_IO38), MP_ROM_PTR(&pin_GPIO38) },
{ MP_ROM_QSTR(MP_QSTR_IO39), MP_ROM_PTR(&pin_GPIO39) },
{ MP_ROM_QSTR(MP_QSTR_IO40), MP_ROM_PTR(&pin_GPIO40) },
{ MP_ROM_QSTR(MP_QSTR_IO41), MP_ROM_PTR(&pin_GPIO41) },
{ MP_ROM_QSTR(MP_QSTR_IO42), MP_ROM_PTR(&pin_GPIO42) },
{ MP_ROM_QSTR(MP_QSTR_IO45), MP_ROM_PTR(&pin_GPIO45) },
{ MP_ROM_QSTR(MP_QSTR_IO47), MP_ROM_PTR(&pin_GPIO47) },
{ MP_ROM_QSTR(MP_QSTR_IO48), MP_ROM_PTR(&pin_GPIO48) },

// objects
{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
{ MP_ROM_QSTR(MP_QSTR_EPD_SPI), MP_ROM_PTR(&board_epd_spi_obj) },
{ MP_ROM_QSTR(MP_QSTR_LORA_SPI), MP_ROM_PTR(&board_lora_spi_obj) },
{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].epaper_display)},

};

MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);
14 changes: 14 additions & 0 deletions ports/espressif/boards/heltec_vision_master_e290/sdkconfig
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#
# Espressif IoT Development Framework Configuration
#
#
# Component config
#
#
# LWIP
#
# end of LWIP

# end of Component config

# end of Espressif IoT Development Framework Configuration
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