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equant
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176
apple2idiot.ino
176
apple2idiot.ino
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@ -11,66 +11,25 @@
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//String http_header;
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/* OUTPUTS (numbers mean GPIO port) */
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#define DATA_0_PIN 18
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#define DATA_1_PIN 19
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#define DATA_2_PIN 23
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#define DATA_3_PIN 25
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#define DATA_4_PIN 26
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#define DATA_5_PIN 27
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#define DATA_6_PIN 32
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#define DATA_7_PIN 33
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#define DATA_0_PIN 12
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#define DEVSEL_PIN 35
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#define ONBOARD_LED 2
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unsigned int data_byte = 0;
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uint32_t isr_time = 0;
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bool isr_handled = false;
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unsigned char data_register = 0;
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unsigned char d0 = 0;
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unsigned char d1 = 0;
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unsigned char d2 = 0;
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unsigned char d3 = 0;
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unsigned char d4 = 0;
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unsigned char d5 = 0;
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unsigned char d6 = 0;
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unsigned char d7 = 0;
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/* Variables shared between ISR and main code need to be volatile */
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volatile bool isr_handled = false;
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volatile uint32_t raw_register_read;
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volatile uint16_t raw_register1_read;
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/*################################################
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# ISR #
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################################################*/
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void IRAM_ATTR isrDEVSEL(void) {
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isr_time = micros();
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data_register = 0;
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d0 = digitalRead(DATA_0_PIN);
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d1 = digitalRead(DATA_1_PIN);
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d2 = digitalRead(DATA_2_PIN);
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d3 = digitalRead(DATA_3_PIN);
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d4 = digitalRead(DATA_4_PIN);
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d5 = digitalRead(DATA_5_PIN);
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d6 = digitalRead(DATA_6_PIN);
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d7 = digitalRead(DATA_7_PIN);
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/*
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data_register |= digitalRead(DATA_7_PIN);
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data_register = data_register << 1;
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data_register |= digitalRead(DATA_6_PIN);
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data_register = data_register << 1;
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data_register |= digitalRead(DATA_5_PIN);
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data_register = data_register << 1;
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data_register |= digitalRead(DATA_4_PIN);
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data_register = data_register << 1;
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data_register |= digitalRead(DATA_3_PIN);
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data_register = data_register << 1;
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data_register |= digitalRead(DATA_2_PIN);
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data_register = data_register << 1;
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data_register |= digitalRead(DATA_1_PIN);
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data_register = data_register << 1;
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data_register |= digitalRead(DATA_0_PIN);
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*/
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raw_register_read = REG_READ(GPIO_IN_REG);
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raw_register1_read = REG_READ(GPIO_IN1_REG);
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isr_handled = true;
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isr_time = micros() - isr_time;
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}
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/*################################################
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@ -79,105 +38,66 @@ void IRAM_ATTR isrDEVSEL(void) {
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void setup() {
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Serial.begin(115200);
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pinMode(DATA_0_PIN, INPUT_PULLUP);
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pinMode(DATA_1_PIN, INPUT_PULLUP);
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pinMode(DATA_2_PIN, INPUT_PULLUP);
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pinMode(DATA_3_PIN, INPUT_PULLUP);
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pinMode(DATA_4_PIN, INPUT_PULLUP);
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pinMode(DATA_5_PIN, INPUT_PULLUP);
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pinMode(DATA_6_PIN, INPUT_PULLUP);
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pinMode(DATA_7_PIN, INPUT_PULLUP);
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pinMode(DEVSEL_PIN, INPUT_PULLUP);
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/*
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// Connect to Wi-Fi network with SSID and password
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Serial.print("Connecting to ");
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Serial.println(ssid);
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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for (int i=0; i < 8; i++) {
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pinMode(DATA_0_PIN + i, INPUT);
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}
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// Print local IP address and start web server
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Serial.println("");
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Serial.println("WiFi connected.");
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Serial.println("IP address: ");
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Serial.println(WiFi.localIP());
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server.begin();
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*/
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Serial.println("");
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pinMode(DEVSEL_PIN, INPUT);
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pinMode(19, INPUT);
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pinMode(21, INPUT);
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pinMode(22, INPUT);
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pinMode(23, INPUT);
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pinMode(24, INPUT);
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pinMode(25, INPUT);
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pinMode(26, INPUT);
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pinMode(27, INPUT);
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pinMode(32, INPUT);
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pinMode(33, INPUT);
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pinMode(36, INPUT);
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pinMode(39, INPUT);
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Serial.println("");
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Serial.println("Starting.");
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//attachInterrupt(DEVSEL_PIN, isrDEVSEL, LOW);
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attachInterrupt(DEVSEL_PIN, isrDEVSEL, CHANGE);
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//attachInterrupt(DEVSEL_PIN, isrDEVSEL, RISING);
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//attachInterrupt(DEVSEL_PIN, isrDEVSEL, FALLING);
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}
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/*################################################
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# Main #
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################################################*/
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const long loopTimeInterval = 500; // interval at which to blink (milliseconds)
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const long loopTimeInterval = 2500; // interval at which to blink (milliseconds)
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int devsel_state = 0;
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unsigned long lastLoopMillis = 0;
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void loop() {
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if (isr_handled) {
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data_register |= d7;
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data_register = data_register << 1;
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data_register |= d6;
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data_register = data_register << 1;
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data_register |= d5;
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data_register = data_register << 1;
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data_register |= d4;
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data_register = data_register << 1;
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data_register |= d3;
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data_register = data_register << 1;
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data_register |= d2;
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data_register = data_register << 1;
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data_register |= d1;
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data_register = data_register << 1;
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data_register |= d0;
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Serial.print("ISR Took: ");
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Serial.print(isr_time );
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Serial.println("us");
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Serial.print("DATA: ");
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Serial.println(data_register);
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Serial.print("D0:");
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Serial.println(d0);
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Serial.print("D1:");
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Serial.println(d1);
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Serial.print("D2:");
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Serial.println(d2);
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Serial.print("D3:");
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Serial.println(d3);
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Serial.print("D4:");
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Serial.println(d4);
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Serial.print("D5:");
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Serial.println(d5);
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Serial.print("D6:");
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Serial.println(d6);
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Serial.print("D7:");
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Serial.println(d7);
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Serial.print(" ");
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Serial.println(data_register, BIN);
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//data_byte = raw_register_read >> 12 & 0b00000000000011111111;
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//Serial.print("RAWDATA: ");
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//Serial.println(raw_register_read, BIN);
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//Serial.print("DATA: ");
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//Serial.println(data_byte, BIN);
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//Serial.println(data_byte);
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isr_handled = false;
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Serial.print("IN_REG_READ:");
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Serial.println(REG_READ(GPIO_IN_REG));
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Serial.print("IN1_REG_READ:");
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Serial.println(REG_READ(GPIO_IN1_REG));
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Serial.print(raw_register_read, BIN);
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Serial.print(" : ");
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Serial.println(raw_register1_read, BIN);
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}
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if (millis() - lastLoopMillis > loopTimeInterval) {
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if (digitalRead(DEVSEL_PIN) == LOW) {
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devsel_state = digitalRead(DEVSEL_PIN);
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Serial.print("DEVSEL_PIN is low and has a value of:");
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Serial.print(devsel_state);
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Serial.print(" ");
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Serial.print(devsel_state, BIN);
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Serial.println(devsel_state);
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}
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Serial.println("--LOOP READ--");
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//Serial.print("RAWDATA: ");
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//Serial.println(raw_register_read, BIN);
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//raw_register_read = REG_READ(GPIO_IN_REG);
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//Serial.println("--LOOP CALLED ISR--");
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//isrDEVSEL();
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raw_register_read = REG_READ(GPIO_IN_REG);
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raw_register1_read = REG_READ(GPIO_IN1_REG);
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isr_handled = true;
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lastLoopMillis = millis();
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}
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}
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