Updates to enable working SPI TFT

The backlight enable is active low on our board so the driver doesn't like it.
Toggling to GPIO manually for now.

As fixed the improper SPI bus pins definitions and it works!

Signed-off-by: Michael Welling <[email protected]>

Author: Michael Welling

ports/nrf/boards/ohs2020_badge/board.c

@@ -49,7 +49,7 @@ uint8_t display_init_sequence[] = {
 
 void board_init(void) {
     busio_spi_obj_t* spi = &displays[0].fourwire_bus.inline_bus;
-    common_hal_busio_spi_construct(spi, &pin_P0_14, &pin_P0_15, mp_const_none);
+    common_hal_busio_spi_construct(spi, &pin_P0_11, &pin_P0_12, mp_const_none);
     common_hal_busio_spi_never_reset(spi);
 
     displayio_fourwire_obj_t* bus = &displays[0].fourwire_bus;
@@ -81,7 +81,7 @@ void board_init(void) {
         0x37, // set vertical scroll command
         display_init_sequence,
         sizeof(display_init_sequence),
-        &pin_P0_02,  // backlight pin
+        NULL,  // backlight pin
         NO_BRIGHTNESS_COMMAND,
         1.0f, // brightness (ignored)
         true, // auto_brightness

ports/nrf/boards/ohs2020_badge/pins.c

@@ -1,4 +1,5 @@
 #include "shared-bindings/board/__init__.h"
+#include "shared-module/displayio/__init__.h"
 
 STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_MICROPHONE_CLOCK), MP_ROM_PTR(&pin_P0_25) },
@@ -13,6 +14,8 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
 
     { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
     { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
+
+    { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display) },
 };
 
 MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);