From c2fb44b36c1b8efce18465272dcff15b0ec65308 Mon Sep 17 00:00:00 2001 From: ZodiusInfuser Date: Mon, 28 Mar 2022 15:56:02 +0100 Subject: [PATCH] Set enable pin to high during boot --- .../boards/pimoroni_badger2040/badger-shared.h | 8 ++++++++ ports/raspberrypi/boards/pimoroni_badger2040/board.c | 12 ++++++++++++ ports/raspberrypi/boards/pimoroni_badger2040/pins.c | 6 ++++-- 3 files changed, 24 insertions(+), 2 deletions(-) create mode 100644 ports/raspberrypi/boards/pimoroni_badger2040/badger-shared.h diff --git a/ports/raspberrypi/boards/pimoroni_badger2040/badger-shared.h b/ports/raspberrypi/boards/pimoroni_badger2040/badger-shared.h new file mode 100644 index 0000000000..efefc50c50 --- /dev/null +++ b/ports/raspberrypi/boards/pimoroni_badger2040/badger-shared.h @@ -0,0 +1,8 @@ +#ifndef PIMORONI_BADGER2040_SHARED +#define PIMORONI_BADGER2040_SHARED + +#include "shared-bindings/digitalio/DigitalInOut.h" + +digitalio_digitalinout_obj_t enable_pin_obj; + +#endif // PIMORONI_BADGER2040_SHARED \ No newline at end of file diff --git a/ports/raspberrypi/boards/pimoroni_badger2040/board.c b/ports/raspberrypi/boards/pimoroni_badger2040/board.c index 6daf4c52b2..569d51478a 100644 --- a/ports/raspberrypi/boards/pimoroni_badger2040/board.c +++ b/ports/raspberrypi/boards/pimoroni_badger2040/board.c @@ -32,6 +32,7 @@ #include "shared-bindings/microcontroller/Pin.h" #include "shared-module/displayio/__init__.h" #include "supervisor/shared/board.h" +#include "badger-shared.h" #define DELAY 0x80 @@ -258,10 +259,20 @@ const uint8_t display_stop_sequence[] = { }; void board_init(void) { + // Drive the EN_3V3 pin high so the board stays awake on battery power + enable_pin_obj.base.type = &digitalio_digitalinout_type; + common_hal_digitalio_digitalinout_construct(&enable_pin_obj, &pin_GPIO10); + common_hal_digitalio_digitalinout_switch_to_output(&enable_pin_obj, true, DRIVE_MODE_PUSH_PULL); + + // Never reset + common_hal_digitalio_digitalinout_never_reset(&enable_pin_obj); + + // Set up the SPI object used to control the display busio_spi_obj_t *spi = &displays[0].fourwire_bus.inline_bus; common_hal_busio_spi_construct(spi, &pin_GPIO18, &pin_GPIO19, &pin_GPIO16, false); common_hal_busio_spi_never_reset(spi); + // Set up the DisplayIO pin object displayio_fourwire_obj_t *bus = &displays[0].fourwire_bus; bus->base.type = &displayio_fourwire_type; common_hal_displayio_fourwire_construct(bus, @@ -273,6 +284,7 @@ void board_init(void) { 0, // Polarity 0); // Phase + // Set up the DisplayIO epaper object displayio_epaperdisplay_obj_t *display = &displays[0].epaper_display; display->base.type = &displayio_epaperdisplay_type; common_hal_displayio_epaperdisplay_construct( diff --git a/ports/raspberrypi/boards/pimoroni_badger2040/pins.c b/ports/raspberrypi/boards/pimoroni_badger2040/pins.c index ea90853202..678d46e166 100644 --- a/ports/raspberrypi/boards/pimoroni_badger2040/pins.c +++ b/ports/raspberrypi/boards/pimoroni_badger2040/pins.c @@ -1,6 +1,7 @@ #include "shared-bindings/board/__init__.h" #include "shared-module/displayio/__init__.h" +#include "badger-shared.h" STATIC const mp_rom_map_elem_t board_module_globals_table[] = { CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS @@ -15,7 +16,7 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = { { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO4) }, { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO5) }, - { MP_ROM_QSTR(MP_QSTR_3V3_EN), MP_ROM_PTR(&pin_GPIO10) }, + //{ MP_ROM_QSTR(MP_QSTR_EN_3V3), MP_ROM_PTR(&pin_GPIO10) }, { MP_ROM_QSTR(MP_QSTR_SW_DOWN), MP_ROM_PTR(&pin_GPIO11) }, { MP_ROM_QSTR(MP_QSTR_SW_A), MP_ROM_PTR(&pin_GPIO12) }, @@ -36,7 +37,7 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = { { MP_ROM_QSTR(MP_QSTR_USER_LED), MP_ROM_PTR(&pin_GPIO25) }, { MP_ROM_QSTR(MP_QSTR_INKY_BUSY), MP_ROM_PTR(&pin_GPIO26) }, { MP_ROM_QSTR(MP_QSTR_VREF_POWER), MP_ROM_PTR(&pin_GPIO27) }, - { MP_ROM_QSTR(MP_QSTR_1V2_REF), MP_ROM_PTR(&pin_GPIO28) }, + { MP_ROM_QSTR(MP_QSTR_REF_1V2), MP_ROM_PTR(&pin_GPIO28) }, { MP_ROM_QSTR(MP_QSTR_VBAT_SENSE), MP_ROM_PTR(&pin_GPIO29) }, { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) }, @@ -44,5 +45,6 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = { { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) }, { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].epaper_display)}, + { MP_ROM_QSTR(MP_QSTR_ENABLE), MP_ROM_PTR(&enable_pin_obj)}, }; MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);