jcs.org
ESP8266-based WiFi serial modem emulator ROM
1/*
2 * WiFiPPP
3 * Copyright (c) 2021 joshua stein <jcs@jcs.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#include "wifippp.h"
19
20#include <Wire.h>
21#include <Adafruit_GFX.h>
22#include <Adafruit_SSD1306.h>
23
24#define SCREEN_WIDTH 128
25#define SCREEN_HEIGHT 64
26#define SCREEN_ADDR 0x3c
27
28/* no reset pin */
29Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
30
31void
32screen_setup(void)
33{
34 Wire.begin(pSDA, pSCL);
35
36 display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDR);
37 display.display();
38 display.clearDisplay();
39 display.setTextSize(1);
40 display.setTextColor(SSD1306_WHITE);
41 display.setCursor(0, 40);
42 display.printf("WiFiPPP v%s", WIFIPPP_VERSION);
43 display.display();
44}