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Commit b346ebb

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Nathan Seidle
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Completed 4 layer design with 4pin SMD JST connectors
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+9238298
-374
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5 files changed

+9238298
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‎Firmware/RTK_Enclosed/RTK_Enclosed.ino‎

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/*
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September 1st, 2020
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SparkFun Electronics
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Nathan Seidle
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This firmware runs the core of the SparkFun RTK Surveyor product. It runs on an ESP32
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and communicates with the ZED-F9P.
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*/
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#include "BluetoothSerial.h"
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BluetoothSerial SerialBT;
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//Hardware connections v10
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const int statLED = 13;
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const int positionAccuracyLED_20mm = 13; //POSACC1
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const int positionAccuracyLED_100mm = 15; //POSACC2
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const int positionAccuracyLED_1000mm = 2; //POSACC3
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const int baseStatusLED = 4;
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const int baseSwitch = 5;
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const int bluetoothStatusLED = 13;
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//Bluetooth status LED goes from off (LED off), no connection (blinking), to connected (solid)
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enum BluetoothState
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{
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BT_OFF = 0,
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BT_ON_NOCONNECTION,
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BT_CONNECTED,
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};
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volatile byte bluetoothState = BT_OFF;
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//Base status goes from Rover-Mode (LED off), surveying in (blinking), to survey is complete/trasmitting RTCM (solid)
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enum BaseState
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{
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BASE_OFF = 0,
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BASE_SURVEYING_IN,
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BASE_TRANSMITTING,
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};
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volatile byte baseState = BASE_OFF;
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uint32_t lastBluetoothLEDBlink = 0;
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uint32_t lastTime = 0;
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void callback(esp_spp_cb_event_t event, esp_spp_cb_param_t *param) {
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if (event == ESP_SPP_SRV_OPEN_EVT) {
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Serial.println("Client Connected");
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bluetoothState = BT_CONNECTED;
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digitalWrite(bluetoothStatusLED, HIGH);
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}
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if (event == ESP_SPP_CLOSE_EVT ) {
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Serial.println("Client disconnected");
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bluetoothState = BT_ON_NOCONNECTION;
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digitalWrite(bluetoothStatusLED, LOW);
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lastBluetoothLEDBlink = millis();
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}
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// if (event == ESP_SPP_WRITE_EVT ) {
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// Serial.println("W");
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// if(Serial1.available()) SerialBT.write(Serial1.read());
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// }
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}
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void setup()
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{
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Serial.begin(115200); //UART0 for programming and debugging
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Serial1.begin(115200); //UART1 on pins 16/17 for SPP. The ZED-F9P will be configured to output NMEA over its UART1 at 115200bps.
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Serial.println("SparkFun RTK Surveyor v1.0");
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pinMode(statLED, OUTPUT);
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pinMode(positionAccuracyLED_20mm, OUTPUT);
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pinMode(positionAccuracyLED_100mm, OUTPUT);
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pinMode(positionAccuracyLED_1000mm, OUTPUT);
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pinMode(baseStatusLED, OUTPUT);
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pinMode(bluetoothStatusLED, OUTPUT);
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pinMode(baseSwitch, INPUT_PULLUP);
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SerialBT.register_callback(callback);
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if (!SerialBT.begin("SparkFun RTK Surveyor"))
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{
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Serial.println("An error occurred initializing Bluetooth");
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bluetoothState = BT_OFF;
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digitalWrite(bluetoothStatusLED, LOW);
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}
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else
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{
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Serial.println("Bluetooth initialized");
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bluetoothState = BT_ON_NOCONNECTION;
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digitalWrite(bluetoothStatusLED, HIGH);
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lastBluetoothLEDBlink = millis();
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}
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}
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void loop()
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{
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//Update Bluetooth LED status
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if (bluetoothState == BT_ON_NOCONNECTION)
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{
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if (millis() - lastBluetoothLEDBlink > 500)
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{
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if (digitalRead(bluetoothStatusLED) == LOW)
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digitalWrite(bluetoothStatusLED, HIGH);
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else
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digitalWrite(bluetoothStatusLED, LOW);
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lastBluetoothLEDBlink = millis();
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}
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}
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if (bluetoothState == BT_CONNECTED)
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{
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yield();
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SerialBT.write(Serial1.read());
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yield();
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if (digitalRead(bluetoothStatusLED) == LOW)
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digitalWrite(bluetoothStatusLED, HIGH);
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else
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digitalWrite(bluetoothStatusLED, LOW);
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}
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// }
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// else
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// {
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// Serial.println("No BT");
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// for (int x = 0 ; x < 1000 ; x++)
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// {
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// delay(1);
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// yield();
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// }
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// //delay(1000);
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// }
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delay(1);
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}

‎Firmware/Radio_Distance_Test/Radio_Distance_Test.ino‎

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/*
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August 31, 2020
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SparkFun Electronics
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Nathan Seidle
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*/
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int ledPin = 13; //Status LED connected to digital pin 13
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const char *testString = ":abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ#";
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int bytesPerSecond = 100; //Start at 100 and build up to 4k
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void setup()
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{
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pinMode(ledPin, OUTPUT);
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//Serial.begin(115200);
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Serial.begin(57600);
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Serial1.begin(57600); //Default speed for most SiK based radios
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delay(500); //Wait for radio to power up
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Serial.println();
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Serial.println("Radio Distance Test");
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Serial1.println();
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Serial1.println("Radio Distance Test");
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}
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void loop()
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{
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//Run 10 transmissions at the current byte count amount
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for (int x = 0 ; x < 2 ; x++)
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{
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int currentByteCounter = 0;
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int lineNumber = 0;
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unsigned long startTime = millis();
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//Put the output together
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char myChar[5000];
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// char myChar[1000];
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myChar[0] = '\0'; //Clear buffer
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while (currentByteCounter < bytesPerSecond)
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{
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char temp[2];
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sprintf(temp, "%d", lineNumber++);
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if (lineNumber == 10) lineNumber = 0;
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strcat(myChar, temp); //Add the line number
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strcat(myChar, testString);
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sprintf(temp, "\n");
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strcat(myChar, temp);
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currentByteCounter += strlen(testString);
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}
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//Transmit the buffer
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digitalWrite(ledPin, HIGH);
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Serial1.print(myChar);
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Serial1.print("Characters pushed: ");
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Serial1.print(currentByteCounter);
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Serial1.println();
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Serial1.println();
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Serial.print(myChar);
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Serial.print("Characters pushed: ");
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Serial.print(currentByteCounter);
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Serial.println();
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Serial.println();
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digitalWrite(ledPin, LOW);
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//Wait for second to expire
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while (millis() - startTime < 1000) delay(1);
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}
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//Increase byte count to next level
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if (bytesPerSecond == 100)
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bytesPerSecond = 300;
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else if (bytesPerSecond == 300)
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bytesPerSecond = 500;
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else if (bytesPerSecond == 500)
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bytesPerSecond = 1000;
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else if (bytesPerSecond == 1000)
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// bytesPerSecond = 100;
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bytesPerSecond = 2000;
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else if (bytesPerSecond == 2000)
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bytesPerSecond = 4000;
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else if (bytesPerSecond == 4000)
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bytesPerSecond = 100;
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}

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