From c5a28aa41e637c6bb32eed99693e5d9a1606e809 Mon Sep 17 00:00:00 2001
From: Dan Halbert <halbert@halwitz.org>
Date: Mon, 24 Nov 2025 23:29:18 -0500
Subject: [PATCH] hack_club_sprig: add board.SPI() for display and SD card use

---
 .../boards/hack_club_sprig/board.c            | 19 ++++++++++---------
 .../boards/hack_club_sprig/mpconfigboard.h    |  8 ++++++++
 .../raspberrypi/boards/hack_club_sprig/pins.c | 16 ++++++++++------
 3 files changed, 28 insertions(+), 15 deletions(-)

diff --git a/ports/raspberrypi/boards/hack_club_sprig/board.c b/ports/raspberrypi/boards/hack_club_sprig/board.c
index 89b1b3b75b7bf..40711c554452e 100644
--- a/ports/raspberrypi/boards/hack_club_sprig/board.c
+++ b/ports/raspberrypi/boards/hack_club_sprig/board.c
@@ -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
@@ -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);
@@ -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
@@ -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.
diff --git a/ports/raspberrypi/boards/hack_club_sprig/mpconfigboard.h b/ports/raspberrypi/boards/hack_club_sprig/mpconfigboard.h
index 041aca6d45eb7..bfc0469a71178 100644
--- a/ports/raspberrypi/boards/hack_club_sprig/mpconfigboard.h
+++ b/ports/raspberrypi/boards/hack_club_sprig/mpconfigboard.h
@@ -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 }}
diff --git a/ports/raspberrypi/boards/hack_club_sprig/pins.c b/ports/raspberrypi/boards/hack_club_sprig/pins.c
index e5ce147839890..7802ef5466d1d 100644
--- a/ports/raspberrypi/boards/hack_club_sprig/pins.c
+++ b/ports/raspberrypi/boards/hack_club_sprig/pins.c
@@ -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) },
@@ -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);