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hack_club_sprig: add board.SPI() for display and SD card use #10727

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Merged
merged 1 commit into from
Nov 26, 2025
Merged

hack_club_sprig: add board.SPI() for display and SD card use #10727

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19 changes: 10 additions & 9 deletions ports/raspberrypi/boards/hack_club_sprig/board.c
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@
#include "shared-bindings/fourwire/FourWire.h"
#include "shared-module/displayio/__init__.h"
#include "shared-module/displayio/mipi_constants.h"
#include "supervisor/shared/board.h"
#include "shared-bindings/board/__init__.h"


// display init sequence from CircuitPython library https://github.com/adafruit/Adafruit_CircuitPython_ST7735R/blob/dfae353330cf051d1f31db9e4b681c8d70900cc5/adafruit_st7735r.py
Expand Down Expand Up @@ -57,17 +57,14 @@ uint8_t display_init_sequence[] = {


void board_init(void) {
busio_spi_obj_t *spi = common_hal_board_create_spi(0);
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_GPIO19, &pin_GPIO16, false);
common_hal_busio_spi_never_reset(spi);

bus->base.type = &fourwire_fourwire_type;
common_hal_fourwire_fourwire_construct(bus,
spi,
&pin_GPIO22, // DC
&pin_GPIO20, // CS
&pin_GPIO26, // RST
CIRCUITPY_BOARD_TFT_DC,
CIRCUITPY_BOARD_TFT_CS,
CIRCUITPY_BOARD_TFT_RESET,
30000000,
0,
0);
Expand All @@ -92,7 +89,7 @@ void board_init(void) {
MIPI_COMMAND_WRITE_MEMORY_START, // Write memory command
display_init_sequence,
sizeof(display_init_sequence),
&pin_GPIO17, // backlight pin
CIRCUITPY_BOARD_TFT_BACKLIGHT,
NO_BRIGHTNESS_COMMAND,
1.0f, // brightness
false, // single_byte_bounds
Expand All @@ -104,4 +101,8 @@ void board_init(void) {
50000); // backlight pwm frequency
}

void board_deinit(void) {
common_hal_displayio_release_displays();
}

// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.
8 changes: 8 additions & 0 deletions ports/raspberrypi/boards/hack_club_sprig/mpconfigboard.h
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Original file line number Diff line number Diff line change
Expand Up @@ -10,3 +10,11 @@
#define MICROPY_HW_MCU_NAME "rp2040"

#define MICROPY_HW_LED_STATUS (&pin_GPIO4)

#define CIRCUITPY_BOARD_TFT_DC (&pin_GPIO22)
#define CIRCUITPY_BOARD_TFT_CS (&pin_GPIO20)
#define CIRCUITPY_BOARD_TFT_RESET (&pin_GPIO26)
#define CIRCUITPY_BOARD_TFT_BACKLIGHT (&pin_GPIO17)

#define CIRCUITPY_BOARD_SPI (1)
#define CIRCUITPY_BOARD_SPI_PIN {{.clock = &pin_GPIO18, .mosi = &pin_GPIO19, .miso = &pin_GPIO16 }}
16 changes: 10 additions & 6 deletions ports/raspberrypi/boards/hack_club_sprig/pins.c
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Expand Up @@ -60,7 +60,6 @@ static const mp_rom_map_elem_t board_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO29) },
{ MP_ROM_QSTR(MP_QSTR_VOLTAGE_MONITOR), MP_ROM_PTR(&pin_GPIO29) },


// Start Sprig-specific definitions

{ MP_ROM_QSTR(MP_QSTR_BLUE_LED), MP_ROM_PTR(&pin_GPIO4) },
Expand All @@ -79,18 +78,23 @@ static const mp_rom_map_elem_t board_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_BUTTON_K), MP_ROM_PTR(&pin_GPIO14) },
{ MP_ROM_QSTR(MP_QSTR_BUTTON_L), MP_ROM_PTR(&pin_GPIO15) },

{ MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO16) },
{ MP_ROM_QSTR(MP_QSTR_TFT_LITE), MP_ROM_PTR(&pin_GPIO17) },
{ MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_GPIO18) },
{ MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO19) },
{ MP_ROM_QSTR(MP_QSTR_TFT_CS), MP_ROM_PTR(&pin_GPIO20) },
{ MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO16) },

{ MP_ROM_QSTR(MP_QSTR_CARD_CS), MP_ROM_PTR(&pin_GPIO21) },
{ MP_ROM_QSTR(MP_QSTR_TFT_DC), MP_ROM_PTR(&pin_GPIO22) },
{ MP_ROM_QSTR(MP_QSTR_TFT_RESET), MP_ROM_PTR(&pin_GPIO23) },

{ MP_OBJ_NEW_QSTR(MP_QSTR_TFT_DC), MP_ROM_PTR(CIRCUITPY_BOARD_TFT_DC) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_TFT_CS), MP_ROM_PTR(CIRCUITPY_BOARD_TFT_CS) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_TFT_RESET), MP_ROM_PTR(CIRCUITPY_BOARD_TFT_RESET) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_TFT_BACKLIGHT), MP_ROM_PTR(CIRCUITPY_BOARD_TFT_BACKLIGHT) },
{ MP_ROM_QSTR(MP_QSTR_TFT_LITE), MP_ROM_PTR(CIRCUITPY_BOARD_TFT_BACKLIGHT) },


{ MP_ROM_QSTR(MP_QSTR_WHITE_LED), MP_ROM_PTR(&pin_GPIO28) },

{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display)},

{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
};
MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);