Skip to content

Improvement to Badger 2040 operation on battery #6208

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
dhalbert merged 4 commits into from
Mar 30, 2022
Merged

Improvement to Badger 2040 operation on battery #6208

Show file tree
Hide file tree
Changes from 3 commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
c2fb44b
Set enable pin to high during boot
ZodiusInfuser Mar 28, 2022
f07cfdd
Linting fixes
ZodiusInfuser Mar 28, 2022
7f3b3dd
Empty-Commit
ZodiusInfuser Mar 29, 2022
336abdf
Switch variable to extern
ZodiusInfuser Mar 30, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 8 additions & 0 deletions ports/raspberrypi/boards/pimoroni_badger2040/badger-shared.h
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -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;
Comment thread
dhalbert marked this conversation as resolved.
Outdated

#endif // PIMORONI_BADGER2040_SHARED
12 changes: 12 additions & 0 deletions ports/raspberrypi/boards/pimoroni_badger2040/board.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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

Expand Down Expand Up @@ -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,
Expand All @@ -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(
Expand Down
6 changes: 4 additions & 2 deletions ports/raspberrypi/boards/pimoroni_badger2040/pins.c
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -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
Expand All @@ -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) },
Expand All @@ -36,13 +37,14 @@ 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) },
{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
{ 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);