120 lines
4.4 KiB
C++
120 lines
4.4 KiB
C++
/*
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Use this program with the Apple2idIOT card and the basic programs RRAM, WRAM and CMDROT to read/write and rot13
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a single string contained within the dual port ram on the card.
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*/
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#include <WiFi.h>
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#include <Apple2Idiot.h>
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Apple2Idiot a2i = Apple2Idiot();
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const char* wifi_ssid = "";
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const char* wifi_password = "";
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const long readLoopInterval = 100; // millis
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unsigned long lastReadLoopTime = 0;
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byte lastAppleCommand = 0;
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/*################################################
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# Setup #
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################################################*/
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void setup() {
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Serial.begin(115200);
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a2i.init();
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// Set WiFi to station mode and disconnect from an AP if it was previously connected
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WiFi.mode(WIFI_STA);
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WiFi.disconnect();
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Serial.println("Setup done");
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}
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/*################################################
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# Main #
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################################################*/
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void scan_wifi() {
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Serial.println("scan start");
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// WiFi.scanNetworks will return the number of networks found
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int n = WiFi.scanNetworks();
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Serial.println("scan done");
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int address_counter = SHARED_RAM_START_ADDRESS + 1;
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if (n == 0) {
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Serial.println("no networks found");
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a2i.write_data(0, address_counter);
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} else {
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Serial.print(n);
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Serial.println(" networks found");
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a2i.write_data(n, address_counter);
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for (int i = 0; i < n; ++i) {
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Serial.print(i + 1);
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Serial.print(": ");
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Serial.println(WiFi.SSID(i));
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delay(10);
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address_counter = a2i.write_string_to_shared_ram(WiFi.SSID(i), address_counter + 1);
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}
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}
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a2i.write_data(ESP_COMMAND_ADDRESS, EOT);
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Serial.println("");
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}
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void store_ip_to_ram(byte offset) {
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IPAddress ip_address = WiFi.localIP();
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for (int i=0; i < 4; i++) {
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a2i.write_data(i+offset, ip_address[i]);
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}
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}
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void loop() {
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if ((millis() - lastReadLoopTime) > readLoopInterval) {
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byte command_byte = a2i.read_data(APPLE_COMMAND_ADDRESS);
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if (command_byte == RAM_BUSY) {
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Serial.println("Command Read: RAM BUSY");
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}
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else if (command_byte != lastAppleCommand){
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Serial.print("Command Switch command_byte: ");
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Serial.println(command_byte);
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switch(command_byte) {
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case COMMAND_WIFI_SCAN:
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a2i.write_data(ESP_COMMAND_ADDRESS, ACK); // notify Apple IIe we are processing command byte
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scan_wifi();
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a2i.write_data(APPLE_COMMAND_ADDRESS, ACK); // notify Apple IIe we are processing command byte
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break;
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case COMMAND_WIFI_CONNECT:
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a2i.write_data(ESP_COMMAND_ADDRESS, ACK); // notify Apple IIe we are processing command byte
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int access_point_n = a2i.read_data(SHARED_RAM_START_ADDRESS) - 1;
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String ssid_as_String = WiFi.SSID(access_point_n);
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String password_as_String = a2i.read_string_from_ram(SHARED_RAM_START_ADDRESS+1);
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wifi_password = password_as_String.c_str();
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wifi_ssid = ssid_as_String.c_str();
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if (wifi_password == "xerxes27") {
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Serial.println("PASSWORDS ARE NOT THE SAME!");
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} else {
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Serial.println("Passwords are the same...");
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Serial.print("PASS:["); Serial.print(wifi_password); Serial.println("]");
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}
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Serial.print("SSID_from_n:[");Serial.print(wifi_ssid);Serial.println("]");
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WiFi.begin(wifi_ssid, wifi_password);
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while (WiFi.status() != WL_CONNECTED) {
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delay(300);
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Serial.print(".");
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}
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Serial.println("");
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Serial.println("WiFi connected successfully");
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Serial.print("Got IP: ");
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Serial.println(WiFi.localIP()); //Show ESP32 IP on serial
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store_ip_to_ram(SHARED_RAM_START_ADDRESS);
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a2i.write_data(APPLE_COMMAND_ADDRESS, ACK);
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break;
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}
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lastAppleCommand = command_byte;
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a2i.write_data(ESP_COMMAND_ADDRESS, EOT); // notify Apple IIe we are done processing command byte
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}
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lastReadLoopTime = millis();
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}
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}
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