102 lines
3 KiB
C
102 lines
3 KiB
C
/*
|
|
* This example code is in the Public Domain (or CC0 licensed, at your option.)
|
|
* Unless required by applicable law or agreed to in writing, this
|
|
* software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
|
* CONDITIONS OF ANY KIND, either express or implied.
|
|
*/
|
|
|
|
// This file contains a simple Hello World app which you can base you own
|
|
// native Badge apps on.
|
|
|
|
#include "main.h"
|
|
|
|
static pax_buf_t buf;
|
|
xQueueHandle buttonQueue;
|
|
|
|
#include <esp_log.h>
|
|
static const char *TAG = "mch2022-demo-app";
|
|
|
|
// Updates the screen with the latest buffer.
|
|
void disp_flush() {
|
|
ili9341_write(get_ili9341(), buf.buf);
|
|
}
|
|
|
|
// Exits the app, returning to the launcher.
|
|
void exit_to_launcher() {
|
|
REG_WRITE(RTC_CNTL_STORE0_REG, 0);
|
|
esp_restart();
|
|
}
|
|
|
|
void app_main() {
|
|
|
|
|
|
ESP_LOGI(TAG, "Welcome to the template app!");
|
|
|
|
// Initialize the screen, the I2C and the SPI busses.
|
|
bsp_init();
|
|
|
|
// Initialize the RP2040 (responsible for buttons, etc).
|
|
bsp_rp2040_init();
|
|
|
|
// This queue is used to receive button presses.
|
|
buttonQueue = get_rp2040()->queue;
|
|
|
|
// Initialize graphics for the screen.
|
|
pax_buf_init(&buf, NULL, 320, 240, PAX_BUF_16_565RGB);
|
|
|
|
// Initialize NVS.
|
|
nvs_flash_init();
|
|
|
|
// Initialize WiFi. This doesn't connect to Wifi yet.
|
|
wifi_init();
|
|
|
|
while (1) {
|
|
// Pick a random background color.
|
|
int hue = esp_random() & 255;
|
|
pax_col_t col = pax_col_hsv(hue, 255 /*saturation*/, 255 /*brighness*/);
|
|
|
|
// Greet the World in front of a random background color!
|
|
// Fill the background with the random color.
|
|
pax_background(&buf, col);
|
|
|
|
// This text is shown on screen.
|
|
char *text = "Hello, MCH2022!";
|
|
|
|
// Pick the font (Saira is the only one that looks nice in this size).
|
|
const pax_font_t *font = pax_font_saira_condensed;
|
|
|
|
// Determine how the text dimensions so we can display it centered on
|
|
// screen.
|
|
pax_vec1_t dims = pax_text_size(font, font->default_size, text);
|
|
|
|
// Draw the centered text.
|
|
pax_draw_text(
|
|
&buf, // Buffer to draw to.
|
|
0xff000000, // color
|
|
font, font->default_size, // Font and size to use.
|
|
// Position (top left corner) of the app.
|
|
(buf.width - dims.x) / 2.0,
|
|
(buf.height - dims.y) / 2.0,
|
|
// The text to be rendered.
|
|
text
|
|
);
|
|
|
|
// Draws the entire graphics buffer to the screen.
|
|
disp_flush();
|
|
|
|
// Wait for button presses and do another cycle.
|
|
|
|
// Structure used to receive data.
|
|
rp2040_input_message_t message;
|
|
|
|
// Wait forever for a button press (because of portMAX_DELAY)
|
|
xQueueReceive(buttonQueue, &message, portMAX_DELAY);
|
|
|
|
// Which button is currently pressed?
|
|
if (message.input == RP2040_INPUT_BUTTON_HOME && message.state) {
|
|
// If home is pressed, exit to launcher.
|
|
exit_to_launcher();
|
|
}
|
|
}
|
|
}
|