Skip to content

Commit b0861ec

Browse files
relic-serelic-se
committed
Initial board declarations for Thumby
1 parent 31a1266 commit b0861ec

File tree

5 files changed

+203
-0
lines changed

5 files changed

+203
-0
lines changed

‎ports/raspberrypi/boards/tinycircuits_thumby/board.c

Lines changed: 105 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,105 @@
1+
// This file is part of the CircuitPython project: https://circuitpython.org
2+
//
3+
// SPDX-FileCopyrightText: Copyright (c) 2025 Cooper Dalrymple
4+
//
5+
// SPDX-License-Identifier: MIT
6+
7+
#include "supervisor/board.h"
8+
#include "mpconfigboard.h"
9+
10+
#include "shared-bindings/busio/SPI.h"
11+
#include "shared-bindings/fourwire/FourWire.h"
12+
#include "shared-bindings/microcontroller/Pin.h"
13+
#include "shared-module/displayio/__init__.h"
14+
#include "shared-module/displayio/mipi_constants.h"
15+
#include "shared-bindings/board/__init__.h"
16+
17+
18+
uint8_t display_init_sequence[] = {
19+
/*
20+
0, 0xae, // display off
21+
0xd5, 0, 0x80, // set display clock div
22+
0, 0xd3, 0, 0x00, // set display offset
23+
0, 0x40, // set start line
24+
0, 0xa4, // display all on, resume
25+
0, 0xa6, // normal display
26+
0, 0x8d, 0, 0x14, // charge pump
27+
0, 0x20, 0, 0x00, // memory mode
28+
0, 0xa0, // segremap
29+
0, 0xc0, // com scan increment
30+
0, 0x81, 0, 0xff, // set contrast
31+
0, 0xd9, 0, 0xf1, // set precharge
32+
0, 0xd8, 0, 0x20, // set v com detect
33+
0, 0xa8, 0, 40-1, // set multiplex
34+
0, 0xda, 0, 0x12, // set com pins
35+
0, 0xad, 0, 0x30,
36+
0, 0xaf, // on
37+
*/
38+
39+
0xae, 0, // sleep
40+
0xd5, 1, 0x80, // fOsc divide by 2
41+
0xd3, 1, 0x00, // set display offset
42+
0x40, 1, 0x00, // set start line
43+
0xa4, 0, // display all on, resume
44+
0xa6, 0, // normal display
45+
0x8d, 1, 0x14, // charge pump
46+
0x20, 1, 0x00, // memory mode
47+
0xa0, 0, // segremap
48+
0xc0, 0, // com scan increment
49+
0x81, 1, 0xff, // set contrast
50+
0xd9, 1, 0xf1, // set precharge
51+
0xd8, 1, 0x20, // set v com detect
52+
0xa8, 1, 40-1, // set multiplex
53+
0xda, 1, 0x12, // set com pins
54+
0xad, 1, 0x30,
55+
0xaf, 0, // on
56+
};
57+
58+
void board_init(void) {
59+
busio_spi_obj_t *spi = common_hal_board_create_spi(0);
60+
fourwire_fourwire_obj_t *bus = &allocate_display_bus()->fourwire_bus;
61+
bus->base.type = &fourwire_fourwire_type;
62+
common_hal_fourwire_fourwire_construct(bus,
63+
spi,
64+
CIRCUITPY_BOARD_OLED_DC, // Command or data
65+
CIRCUITPY_BOARD_OLED_CS, // Chip select
66+
CIRCUITPY_BOARD_OLED_RESET, // Reset
67+
10000000, // Baudrate
68+
0, // Polarity
69+
0); // Phase
70+
71+
busdisplay_busdisplay_obj_t *display = &allocate_display()->display;
72+
display->base.type = &busdisplay_busdisplay_type;
73+
common_hal_busdisplay_busdisplay_construct(
74+
display,
75+
bus,
76+
72, // Width (after rotation)
77+
40, // Height (after rotation)
78+
28, // column start
79+
0, // row start
80+
0, // rotation
81+
1, // Color depth
82+
true, // grayscale
83+
false, // pixels in byte share row. only used for depth < 8
84+
1, // bytes per cell. Only valid for depths < 8
85+
false, // reverse_pixels_in_byte. Only valid for depths < 8
86+
true, // reverse_pixels_in_word
87+
0, // Set column command
88+
0, // Set row command
89+
0, // Write memory command
90+
display_init_sequence,
91+
sizeof(display_init_sequence),
92+
NULL, // backlight pin
93+
0x81,
94+
1.0f, // brightness
95+
true, // single_byte_bounds
96+
true, // data_as_commands
97+
true, // auto_refresh
98+
60, // native_frames_per_second
99+
true, // backlight_on_high
100+
true, // SH1107_addressing
101+
50000); // backlight pwm frequency
102+
}
103+
104+
void reset_board(void) {
105+
}

‎ports/raspberrypi/boards/tinycircuits_thumby/mpconfigboard.h

Lines changed: 20 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,20 @@
1+
// This file is part of the CircuitPython project: https://circuitpython.org
2+
//
3+
// SPDX-FileCopyrightText: Copyright (c) 2025 Cooper Dalrymple
4+
//
5+
// SPDX-License-Identifier: MIT
6+
7+
#pragma once
8+
9+
#define MICROPY_HW_BOARD_NAME "TinyCircuits Thumby"
10+
#define MICROPY_HW_MCU_NAME "rp2040"
11+
12+
#define DEFAULT_SPI_BUS_SCK (&pin_GPIO18)
13+
#define DEFAULT_SPI_BUS_MOSI (&pin_GPIO19)
14+
15+
#define CIRCUITPY_BOARD_OLED_DC (&pin_GPIO17)
16+
#define CIRCUITPY_BOARD_OLED_CS (&pin_GPIO16)
17+
#define CIRCUITPY_BOARD_OLED_RESET (&pin_GPIO20)
18+
19+
#define CIRCUITPY_BOARD_SPI (1)
20+
#define CIRCUITPY_BOARD_SPI_PIN {{.clock = DEFAULT_SPI_BUS_SCK, .mosi = DEFAULT_SPI_BUS_MOSI, .miso = NULL }}

‎ports/raspberrypi/boards/tinycircuits_thumby/mpconfigboard.mk

Lines changed: 18 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,18 @@
1+
USB_VID = 0x1D6B
2+
USB_PID = 0x0003
3+
USB_PRODUCT = "Thumby"
4+
USB_MANUFACTURER = "TinyCircuits"
5+
6+
CHIP_VARIANT = RP2040
7+
CHIP_FAMILY = rp2
8+
9+
EXTERNAL_FLASH_DEVICES = "W25Q16JVxQ"
10+
11+
CIRCUITPY_STAGE = 1
12+
CIRCUITPY_AUDIOIO = 1
13+
CIRCUITPY_AUDIOPWMIO = 1
14+
CIRCUITPY_KEYPAD = 1
15+
16+
FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_framebuf
17+
FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_SSD1306
18+
FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_DisplayIO_SSD1306

‎ports/raspberrypi/boards/tinycircuits_thumby/pico-sdk-configboard.h

Lines changed: 12 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,12 @@
1+
// This file is part of the CircuitPython project: https://circuitpython.org
2+
//
3+
// SPDX-FileCopyrightText: Copyright (c) 2021 Scott Shawcroft for Adafruit Industries
4+
//
5+
// SPDX-License-Identifier: MIT
6+
7+
#pragma once
8+
9+
// Put board-specific pico-sdk definitions here. This file must exist.
10+
11+
// Allow extra time for xosc to start.
12+
#define PICO_XOSC_STARTUP_DELAY_MULTIPLIER 64

‎ports/raspberrypi/boards/tinycircuits_thumby/pins.c

Lines changed: 48 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,48 @@
1+
// This file is part of the CircuitPython project: https://circuitpython.org
2+
//
3+
// SPDX-FileCopyrightText: Copyright (c) 2025 Cooper Dalrymple
4+
//
5+
// SPDX-License-Identifier: MIT
6+
7+
#include "shared-bindings/board/__init__.h"
8+
#include "shared-module/displayio/__init__.h"
9+
10+
static const mp_rom_map_elem_t board_module_globals_table[] = {
11+
CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
12+
13+
// Link Cable (ASR00074)
14+
{ MP_ROM_QSTR(MP_QSTR_EXT_TX), MP_ROM_PTR(&pin_GPIO0) },
15+
{ MP_ROM_QSTR(MP_QSTR_EXT), MP_ROM_PTR(&pin_GPIO1) },
16+
{ MP_ROM_QSTR(MP_QSTR_EXT_PU), MP_ROM_PTR(&pin_GPIO1) },
17+
18+
// 0.42 inch OLED AST1042
19+
{ MP_ROM_QSTR(MP_QSTR_OLED_CS), MP_ROM_PTR(&pin_GPIO16) },
20+
{ MP_ROM_QSTR(MP_QSTR_OLED_DC), MP_ROM_PTR(&pin_GPIO17) },
21+
{ MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_GPIO18) },
22+
{ MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO19) },
23+
{ MP_ROM_QSTR(MP_QSTR_OLED_RESET), MP_ROM_PTR(&pin_GPIO20) },
24+
25+
{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
26+
{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display)},
27+
28+
// Buttons
29+
{ MP_ROM_QSTR(MP_QSTR_BUTTON_LEFT), MP_ROM_PTR(&pin_GPIO3) },
30+
{ MP_ROM_QSTR(MP_QSTR_BUTTON_UP), MP_ROM_PTR(&pin_GPIO4) },
31+
{ MP_ROM_QSTR(MP_QSTR_BUTTON_RIGHT), MP_ROM_PTR(&pin_GPIO5) },
32+
{ MP_ROM_QSTR(MP_QSTR_BUTTON_DOWN), MP_ROM_PTR(&pin_GPIO6) },
33+
{ MP_ROM_QSTR(MP_QSTR_BUTTON_1), MP_ROM_PTR(&pin_GPIO24) },
34+
{ MP_ROM_QSTR(MP_QSTR_BUTTON_2), MP_ROM_PTR(&pin_GPIO27) },
35+
36+
// Mono PWM Speaker
37+
{ MP_ROM_QSTR(MP_QSTR_SPEAKER), MP_ROM_PTR(&pin_GPIO28) },
38+
39+
// Hardware revision ID pins
40+
{ MP_OBJ_NEW_QSTR(MP_QSTR_ID3), MP_ROM_PTR(&pin_GPIO12) },
41+
{ MP_OBJ_NEW_QSTR(MP_QSTR_ID2), MP_ROM_PTR(&pin_GPIO13) },
42+
{ MP_OBJ_NEW_QSTR(MP_QSTR_ID1), MP_ROM_PTR(&pin_GPIO14) },
43+
{ MP_OBJ_NEW_QSTR(MP_QSTR_ID0), MP_ROM_PTR(&pin_GPIO15) },
44+
45+
// Power pins
46+
{ MP_ROM_QSTR(MP_QSTR_VBUS_SENSE), MP_ROM_PTR(&pin_GPIO26) }
47+
};
48+
MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

0 commit comments

Comments
 (0)
pFad - Phonifier reborn

Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.

Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.


Alternative Proxies:

Alternative Proxy

pFad Proxy

pFad v3 Proxy

pFad v4 Proxy