98 lines
3.7 KiB
C
98 lines
3.7 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include "supervisor/board.h"
|
|
#include "background.h"
|
|
#include "mpconfigboard.h"
|
|
|
|
#include "shared-bindings/busio/SPI.h"
|
|
#include "shared-bindings/displayio/FourWire.h"
|
|
#include "shared-bindings/framebufferio/FramebufferDisplay.h"
|
|
#include "shared-bindings/sharpdisplay/SharpMemoryFramebuffer.h"
|
|
#include "shared-module/displayio/__init__.h"
|
|
|
|
digitalio_digitalinout_obj_t extcomin;
|
|
digitalio_digitalinout_obj_t display_on;
|
|
|
|
uint32_t last_down_ticks_ms;
|
|
|
|
void board_init(void) {
|
|
common_hal_digitalio_digitalinout_construct(&extcomin, &pin_P0_06);
|
|
common_hal_digitalio_digitalinout_switch_to_output(&extcomin, true, DRIVE_MODE_PUSH_PULL);
|
|
common_hal_digitalio_digitalinout_never_reset(&extcomin);
|
|
|
|
common_hal_digitalio_digitalinout_construct(&display_on, &pin_P0_07);
|
|
common_hal_digitalio_digitalinout_switch_to_output(&display_on, true, DRIVE_MODE_PUSH_PULL);
|
|
common_hal_digitalio_digitalinout_never_reset(&display_on);
|
|
|
|
sharpdisplay_framebuffer_obj_t *fb = &allocate_display_bus()->sharpdisplay;
|
|
fb->base.type = &sharpdisplay_framebuffer_type;
|
|
|
|
busio_spi_obj_t *spi = &fb->inline_bus;
|
|
common_hal_busio_spi_construct(spi, &pin_P0_26, &pin_P0_27, NULL, false);
|
|
common_hal_busio_spi_never_reset(spi);
|
|
|
|
common_hal_sharpdisplay_framebuffer_construct(fb, spi, &pin_P0_05, 500000, 176, 176, true);
|
|
|
|
primary_display_t *display = allocate_display();
|
|
framebufferio_framebufferdisplay_obj_t *self = &display->framebuffer_display;
|
|
self->base.type = &framebufferio_framebufferdisplay_type;
|
|
common_hal_framebufferio_framebufferdisplay_construct(self, fb, 0, true);
|
|
}
|
|
|
|
bool board_requests_safe_mode(void) {
|
|
return false;
|
|
}
|
|
|
|
void reset_board(void) {
|
|
nrf_gpio_cfg_input(17, NRF_GPIO_PIN_PULLUP);
|
|
}
|
|
|
|
void board_deinit(void) {
|
|
// common_hal_displayio_release_displays();
|
|
}
|
|
|
|
void board_background_task(void) {
|
|
if (!nrf_gpio_pin_read(17)) {
|
|
if (last_down_ticks_ms == 0) {
|
|
last_down_ticks_ms = supervisor_ticks_ms32();
|
|
}
|
|
} else {
|
|
last_down_ticks_ms = 0;
|
|
}
|
|
// If the button isn't pressed, then feed the watchdog.
|
|
if (last_down_ticks_ms == 0) {
|
|
NRF_WDT->RR[0] = 0x6E524635;
|
|
return;
|
|
}
|
|
// if the button has been pressed less than 5 seconds, then feed the watchdog.
|
|
uint32_t now = supervisor_ticks_ms32();
|
|
if (now - last_down_ticks_ms < 5000) {
|
|
NRF_WDT->RR[0] = 0x6E524635;
|
|
}
|
|
// Don't feed the watchdog so that it'll expire and kick us to the bootloader.
|
|
}
|