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ESPNowESK8/src/remote.cpp

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// ESPNOWSkate by Lukas Bachschwell this device MASTER =D
#include <Arduino.h>
#include <esp_now.h>
#include <WiFi.h>
#include <U8g2lib.h>
#include <Preferences.h>
#include "mac_config.h"
#include "graphics.h"
#include "accel.h"
TaskHandle_t clickTaskHandle;
Preferences preferences;
#define B_VOLT 0
#define B_VOLT_D 1
#define B_TEMP 2
#define B_TEMP_D 3
#define B_SPEED 4
#define B_SPEED_D 5
uint8_t boardData[6] = {0, 0, 0, 0, 0, 0};
#define M_NORMAL 0 // Limit is a sub of normal
#define M_SELECT 1
#define M_SETTINGS 2
#define M_CRUISE 3
#define M_STEERING 4
//#define steeringInfluential
uint8_t currentMode = M_NORMAL;
uint8_t selectedIndex = 2;
bool lightActive = false;
bool shouldUpdateSettings = false; // Needed to update limitmode on core 1 instead of 0
bool crusing = false;
uint8_t crusingSpeed = 127;
#define DEBUG
#ifdef DEBUG
#define DEBUG_PRINTLN(x) Serial.println(x)
#define DEBUG_PRINT(x) Serial.print(x)
#else
#define DEBUG_PRINTLN(x)
#define DEBUG_PRINT(x)
#endif
bool connected = false;
uint8_t clickCounter = 0;
bool lastTriggerState = false;
long lastClick = 0;
#define clickDiff 250
// Defining variables for OLED display
U8G2_SSD1306_128X64_NONAME_F_SW_I2C u8g2 (U8G2_R2, /* clock=*/ 15, /* data=*/ 4, /* reset=*/ 16);
char displayBuffer[20];
String displayString;
short displayData = 0;
unsigned long lastSignalBlink;
bool signalBlink = false;
unsigned long lastDataRotation;
// Defining variables for Hall Effect throttle.
short hallMeasurement;
int throttle = 127;
uint8_t esc1 = 127;
uint8_t esc2 = 127;
byte hallCenterMargin = 5;
const float minVoltage = 3.4;
const float maxVoltage = 4.2;
const float refVoltage = 3.3;
// Resistors in Ohms
const float deviderR1 = 22000;
const float deviderR2 = 11200;
// Global copy of board
esp_now_peer_info_t board;
#define CHANNEL 1
#define PRINTSCANRESULTS 0
#define DELETEBEFOREPAIR 0
#define HAL_MIN 1390 // defaults
#define HAL_MAX 2230 // defaults
#define HAL_CENTER 1880 // defaults
//#define pairingMode
#define leverPin 36
#define triggerPin 17
#define batteryMeasurePin 39
bool triggerActive();
#include "settings.h"
void setCrusing(uint8_t speed) {
if(speed < 127) { // no backward cruse!
crusing = false;
crusingSpeed = 127;
} else {
crusing = true;
if(speed > crusingSpeed) crusingSpeed = speed;
}
}
// ESPNOW functions ##############################
// Scan for boards in AP mode
// config AP
void configDeviceAP(bool hidden) {
bool result = WiFi.softAP("ESK8", "ESK8_Password+vD8z2YAvoDBW?Zx", CHANNEL, hidden);
if (!result) {
Serial.println("AP Config failed.");
} else {
Serial.println("AP Config Success. Broadcasting with AP: " + String("ESK8"));
}
}
#ifdef pairingMode
void ScanForBoard() {
int8_t scanResults = WiFi.scanNetworks();
// reset on each scan
bool boardFound = 0;
memset(&board, 0, sizeof(board));
DEBUG_PRINTLN("");
if (scanResults == 0) {
DEBUG_PRINTLN("No WiFi devices in AP Mode found");
} else {
DEBUG_PRINT("Found "); DEBUG_PRINT(scanResults); DEBUG_PRINTLN(" devices ");
for (int i = 0; i < scanResults; ++i) {
// Print SSID and RSSI for each device found
String SSID = WiFi.SSID(i);
int32_t RSSI = WiFi.RSSI(i);
String BSSIDstr = WiFi.BSSIDstr(i);
if (PRINTSCANRESULTS) {
DEBUG_PRINT(i + 1);
DEBUG_PRINT(": ");
DEBUG_PRINT(SSID);
DEBUG_PRINT(" (");
DEBUG_PRINT(RSSI);
DEBUG_PRINT(")");
DEBUG_PRINTLN("");
}
delay(10);
// Check if the current device starts with `board`
if (SSID.indexOf("ESK8") == 0) {
// SSID of interest
DEBUG_PRINTLN("Found a board.");
DEBUG_PRINT(i + 1); DEBUG_PRINT(": "); DEBUG_PRINT(SSID); DEBUG_PRINT(" ["); DEBUG_PRINT(BSSIDstr); DEBUG_PRINT("]"); DEBUG_PRINT(" ("); DEBUG_PRINT(RSSI); DEBUG_PRINT(")"); DEBUG_PRINTLN("");
// Get BSSID => Mac Address of the board
int mac[6];
if ( 6 == sscanf(BSSIDstr.c_str(), "%x:%x:%x:%x:%x:%x%c", &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5] ) ) {
for (int ii = 0; ii < 6; ++ii ) {
board.peer_addr[ii] = (uint8_t) mac[ii];
}
}
board.channel = CHANNEL; // pick a channel
board.encrypt = 0; // no encryption
board.ifidx = ESP_IF_WIFI_STA;
boardFound = 1;
// we are planning to have only one board in this example;
// Hence, break after we find one, to be a bit efficient
break;
}
}
}
if (boardFound) {
DEBUG_PRINTLN("board Found, processing..");
} else {
DEBUG_PRINTLN("board Not Found, trying again.");
}
// clean up ram
WiFi.scanDelete();
}
#endif
void deletePeer() {
const esp_now_peer_info_t *peer = &board;
const uint8_t *peer_addr = board.peer_addr;
esp_err_t delStatus = esp_now_del_peer(peer_addr);
DEBUG_PRINT("board Delete Status: ");
if (delStatus == ESP_OK) {
// Delete success
DEBUG_PRINTLN("Success");
} else if (delStatus == ESP_ERR_ESPNOW_NOT_INIT) {
// How did we get so far!!
DEBUG_PRINTLN("ESPNOW Not Init");
} else if (delStatus == ESP_ERR_ESPNOW_ARG) {
DEBUG_PRINTLN("Invalid Argument");
} else if (delStatus == ESP_ERR_ESPNOW_NOT_FOUND) {
DEBUG_PRINTLN("Peer not found.");
} else {
DEBUG_PRINTLN("Not sure what happened");
}
}
// Check if the board is already paired with the master.
// If not, pair the board with master
bool manageBoard() {
if (board.channel == CHANNEL) {
if (DELETEBEFOREPAIR) {
deletePeer();
}
DEBUG_PRINT("board Status: ");
const esp_now_peer_info_t *peer = &board;
const uint8_t *peer_addr = board.peer_addr;
// check if the peer exists
bool exists = esp_now_is_peer_exist(peer_addr);
if ( exists) {
// board already paired.
DEBUG_PRINTLN("Already Paired");
return true;
} else {
// board not paired, attempt pair
esp_err_t addStatus = esp_now_add_peer(peer);
if (addStatus == ESP_OK) {
// Pair success
DEBUG_PRINTLN("Pair success");
return true;
} else if (addStatus == ESP_ERR_ESPNOW_NOT_INIT) {
// How did we get so far!!
DEBUG_PRINTLN("ESPNOW Not Init");
return false;
} else if (addStatus == ESP_ERR_ESPNOW_ARG) {
DEBUG_PRINTLN("Invalid Argument");
return false;
} else if (addStatus == ESP_ERR_ESPNOW_FULL) {
DEBUG_PRINTLN("Peer list full");
return false;
} else if (addStatus == ESP_ERR_ESPNOW_NO_MEM) {
DEBUG_PRINTLN("Out of memory");
return false;
} else if (addStatus == ESP_ERR_ESPNOW_EXIST) {
DEBUG_PRINTLN("Peer Exists");
return true;
} else {
DEBUG_PRINTLN("Not sure what happened");
return false;
}
}
} else {
// No board found to process
DEBUG_PRINTLN("No board found to process");
return false;
}
}
// send data
void sendData() {
const uint8_t data[] = { esc1, esc2, boardOptions };
const uint8_t *peer_addr = board.peer_addr;
DEBUG_PRINT("Sending: "); DEBUG_PRINTLN(esc1);
esp_err_t result = esp_now_send(peer_addr, data, sizeof(data));
DEBUG_PRINT("Send Status: ");
if(result != ESP_OK) setCrusing(0);
if (result == ESP_OK) {
DEBUG_PRINTLN("Success");
} else if (result == ESP_ERR_ESPNOW_NOT_INIT) {
// How did we get so far!!
DEBUG_PRINTLN("ESPNOW not Init.");
} else if (result == ESP_ERR_ESPNOW_ARG) {
DEBUG_PRINTLN("Invalid Argument");
} else if (result == ESP_ERR_ESPNOW_INTERNAL) {
DEBUG_PRINTLN("Internal Error");
} else if (result == ESP_ERR_ESPNOW_NO_MEM) {
DEBUG_PRINTLN("ESP_ERR_ESPNOW_NO_MEM");
} else if (result == ESP_ERR_ESPNOW_NOT_FOUND) {
DEBUG_PRINTLN("Peer not found.");
} else if (result == ESP_ERR_ESPNOW_IF) {
DEBUG_PRINTLN("Interface error.");
} else {
DEBUG_PRINT("Not sure what happened ");
DEBUG_PRINTLN(result);
}
}
// callback when data is sent from Master to board
void OnDataSent(const uint8_t *mac_addr, esp_now_send_status_t status) {
char macStr[18];
snprintf(macStr, sizeof(macStr), "%02x:%02x:%02x:%02x:%02x:%02x",
mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
DEBUG_PRINT("Last Packet Sent to: "); DEBUG_PRINTLN(macStr);
DEBUG_PRINT("Last Packet Send Status: ");
if(status == ESP_NOW_SEND_SUCCESS) {
connected = true;
DEBUG_PRINTLN("Delivery Success");
} else {
connected = false;
DEBUG_PRINTLN("Delivery Fail");
setCrusing(0);
}
}
// callback when data is recv from board
void OnDataRecv(const uint8_t *mac_addr, const uint8_t *data, int data_len) {
char macStr[18];
snprintf(macStr, sizeof(macStr), "%02x:%02x:%02x:%02x:%02x:%02x",
mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
DEBUG_PRINT("Last Response Recv from: "); DEBUG_PRINTLN(macStr);
memcpy(boardData, data, data_len);
DEBUG_PRINT("Recieved data! len: ");
DEBUG_PRINTLN(data_len);
}
//############ End ESP Now
//############ Hardware Helpers
int c_map(int value, int inMin, int inMax, int outMin, int outMax) {
return constrain(map(value, inMin, inMax, outMin, outMax), outMin, outMax);
}
// Return true if trigger is activated, false otherwice
bool triggerActive() {
if (digitalRead(triggerPin) == LOW) {
vTaskDelay(pdMS_TO_TICKS(0.1));
if (digitalRead(triggerPin) == LOW) return true;
} else {
vTaskDelay(pdMS_TO_TICKS(0.1));
if (digitalRead(triggerPin) == HIGH) return false;
}
return false; // biased to false
}
void calculateThrottlePosition() {
// Hall sensor reading can be noisy, lets make an average reading.
int total = 0;
for (int i = 0; i < 10; i++) {
total += analogRead(leverPin);
}
hallMeasurement = total / 10;
DEBUG_PRINT("HAL: ");
DEBUG_PRINTLN(hallMeasurement);
int maxSpeed = 255;
if(settings[limitMode] == 1) maxSpeed = 180;
if (hallMeasurement >= settings[centerHallValue]) {
throttle = c_map(hallMeasurement, settings[centerHallValue], settings[maxHallValue], 127, maxSpeed);
} else {
throttle = c_map(hallMeasurement, settings[minHallValue], settings[centerHallValue], 0, 127);
}
// removeing center noise
if (abs(throttle - 127) < hallCenterMargin) {
throttle = 127;
}
}
// Function to calculate and return the remotes battery voltage.
float batteryVoltage() {
float batteryVoltage = 0.0;
int total = 0;
for (int i = 0; i < 10; i++) {
total += analogRead(batteryMeasurePin);
}
batteryVoltage = (refVoltage / 4095.0) * ((float)total / 10.0);
// Now we have the actual Voltage, lets calculate the value befor the devider
batteryVoltage = batteryVoltage / ( deviderR1 / (deviderR1 + deviderR2));
DEBUG_PRINT("Batt: ");
DEBUG_PRINTLN(batteryVoltage);
return batteryVoltage;
}
// Function used to indicate the remotes battery level.
int batteryLevel() {
float voltage = batteryVoltage();
if (voltage <= minVoltage) {
return 0;
} else if (voltage >= maxVoltage) {
return 100;
} else {
return (voltage - minVoltage) * 100 / (maxVoltage - minVoltage);
}
}
// Take a number of measurements of the WiFi strength and return the average result.
int getStrength(int points){
long rssi = 0;
long averageRSSI=0;
if (points == 1) return WiFi.RSSI();
for (int i=0; i < points; i++) {
rssi += WiFi.RSSI();
delay(20);
}
averageRSSI=rssi/points;
DEBUG_PRINT("RSSI: ");
DEBUG_PRINTLN(averageRSSI);
return averageRSSI;
}
void checkClicks(void * parameter) {
for (;;) {
//DEBUG_PRINT("Trig: "); DEBUG_PRINT(triggerActive()); DEBUG_PRINT(" LAST: "); DEBUG_PRINTLN(lastTriggerState);
if(millis()-lastClick > clickDiff && clickCounter!=0) {
DEBUG_PRINTLN("reset");
//timeout, check amount
if(clickCounter == 2) {
// cycle page if active
DEBUG_PRINTLN("Double, rotate page");
if(settings[pageDisplay] != 0) {
displayData++;
if (displayData > 2) {
displayData = 0;
}
// write and save
settings[pageDisplay] = displayData + 1;
shouldUpdateSettings = true;
}
} else if(clickCounter == 3) {
DEBUG_PRINTLN("YEAH TRIPPLE");
if(currentMode == M_NORMAL) {
currentMode = M_SELECT;
selectedIndex = 2;
} else {
currentMode = M_NORMAL;
}
}
clickCounter = 0;
}
if(!triggerActive() && lastTriggerState) {
DEBUG_PRINTLN("CLICK ##################### ");
int timeSinceLastClick = millis()-lastClick;
lastClick = millis();
if(currentMode == M_SELECT) {
switch(selectedIndex) {
case 0:
currentMode = M_SETTINGS;
break;
case 1:
if(settings[limitMode] == 0) settings[limitMode] = 1;
else settings[limitMode] = 0;
shouldUpdateSettings = true;
currentMode = M_NORMAL;
break;
case 2:
lightActive = !lightActive;
updateBoardOptions();
currentMode = M_NORMAL;
break;
case 3:
currentMode = M_STEERING;
break;
case 4:
currentMode = M_CRUISE;
break;
}
}
if(timeSinceLastClick < clickDiff) {
clickCounter++;
} else {
clickCounter = 1;
}
lastClick = millis();
lastTriggerState = false;
} else if(triggerActive()) {
lastTriggerState = true;
}
vTaskDelay(pdMS_TO_TICKS(20));
}
}
//############ End Hardware Helpers
//############ Drawing Functions
void drawBatteryLevel() {
int level = batteryLevel();
// Position on OLED
int x = 108; int y = 4;
u8g2.drawFrame(x + 2, y, 18, 9);
u8g2.drawBox(x, y + 2, 2, 5);
for (int i = 0; i < 5; i++) {
int p = round((100 / 5) * i);
if (p <= level) {
u8g2.drawBox(x + 4 + (3 * (4-i)), y + 2, 2, 5);
}
}
}
void drawThrottle() {
int x = 0;
int y = 18;
uint8_t displayThrottle = throttle;
if(crusing) displayThrottle = crusingSpeed;
// Draw throttle
u8g2.drawHLine(x, y, 52);
u8g2.drawVLine(x, y, 10);
u8g2.drawVLine(x + 52, y, 10);
u8g2.drawHLine(x, y + 10, 5);
u8g2.drawHLine(x + 52 - 4, y + 10, 5);
if (displayThrottle >= 127) {
int width = map(displayThrottle, 127, 255, 0, 49);
for (int i = 0; i < width; i++) {
u8g2.drawVLine(x + i + 2, y + 2, 7);
}
} else {
int width = map(displayThrottle, 0, 126, 49, 0);
for (int i = 0; i < width; i++) {
u8g2.drawVLine(x + 50 - i, y + 2, 7);
}
}
}
void drawSignal() {
// Position on OLED
int x = 114; int y = 17;
if (connected == true) {
if (triggerActive()) {
u8g2.drawXBM(x, y, 12, 12, signal_transmitting_bits);
} else {
u8g2.drawXBM(x, y, 12, 12, signal_connected_bits);
}
} else {
if (millis() - lastSignalBlink > 500) {
signalBlink = !signalBlink;
lastSignalBlink = millis();
}
if (signalBlink == true) {
u8g2.drawXBM(x, y, 12, 12, signal_connected_bits);
} else {
u8g2.drawXBM(x, y, 12, 12, signal_noconnection_bits);
}
}
}
void drawTitleScreen(String title) {
u8g2.firstPage();
do {
title.toCharArray(displayBuffer, 20);
u8g2.setFont(u8g2_font_helvR10_tr );
u8g2.drawStr(12, 20, displayBuffer);
} while ( u8g2.nextPage() );
delay(1500);
}
void drawPage() {
int decimals;
String suffix;
String prefix;
int first, last;
int x = 0;
int y = 16;
// Rotate the realtime data each 4s.
if(settings[pageDisplay] == 0) {
if ((millis() - lastDataRotation) >= 4000) {
lastDataRotation = millis();
displayData++;
if (displayData > 2) {
displayData = 0;
}
}
} else {
displayData = settings[pageDisplay] - 1;
}
switch (displayData) {
case 0:
first = boardData[B_TEMP];
last = boardData[B_TEMP_D];
suffix = "C";
prefix = "BOX TEMP";
decimals = 2;
break;
case 1:
first = boardData[B_SPEED];
last = boardData[B_SPEED_D];
suffix = "KmH";
prefix = "SPEED";
decimals = 2;
break;
case 2:
first = boardData[B_VOLT];
last = boardData[B_VOLT_D];
suffix = "V";
prefix = "BATTERY";
decimals = 2;
break;
}
// Display prefix (title)
displayString = prefix;
displayString.toCharArray(displayBuffer, 10);
u8g2.setFont(u8g2_font_profont12_tr);
u8g2.drawStr(x, y - 1, displayBuffer);
// Add leading zero
if (first <= 9) {
if(connected) displayString = "0" + (String)first;
else displayString = "--";
} else {
if(connected) displayString = (String)first;
else displayString = "--";
}
// Display numbers
displayString.toCharArray(displayBuffer, 4);
u8g2.setFont(u8g2_font_logisoso22_tn );
u8g2.drawStr(x + 55, y + 13, displayBuffer);
// Display decimals
// Add leading zero
if (last <= 9) {
if(connected) displayString = ".0" + (String)last;
else displayString = ".--";
} else {
if(connected) displayString = "." + (String)last;
else displayString = ".--";
}
// Display decimals
displayString.toCharArray(displayBuffer, decimals + 2);
u8g2.setFont(u8g2_font_profont12_tr);
u8g2.drawStr(x + 86, y - 1, displayBuffer);
// Display suffix
displayString = suffix;
displayString.toCharArray(displayBuffer, 10);
u8g2.setFont(u8g2_font_profont12_tr);
u8g2.drawStr(x + 86 + 2, y + 13, displayBuffer);
}
void controlSelect() {
if (hallMeasurement >= (settings[maxHallValue] - 250) && settingsLoopFlag == false) { //settings[maxHallValue]
// Up
if (selectedIndex != 0) {
selectedIndex--;
settingsLoopFlag = true;
}
} else if (hallMeasurement <= (settings[minHallValue] + 250) && settingsLoopFlag == false) {
// Down
if (selectedIndex < 4) {
selectedIndex++;
settingsLoopFlag = true;
}
} else if (inRange(hallMeasurement, settings[centerHallValue] - 50, settings[centerHallValue] + 50)) { // settings[centerHallValue]
settingsLoopFlag = false;
}
}
String selectionTitles[5] = {
"Settings","Limit","Light","Steering","Cruise"
};
uint16_t selectionGlyphs[5] = {
0x0081, 0x008d, 0x0103, 0x00f6, 0x0088
};
void drawSelectionMenu() {
const uint8_t y = 35;
const uint8_t xStart = 10;
const uint8_t xSpace = 20;
u8g2.setFontMode(0);
u8g2.setDrawColor(1);
for(int i = 0; i < 5; i++) {
if(selectedIndex == i) {
String title = selectionTitles[i];
title.toCharArray(displayBuffer, 20);
u8g2.setFont(u8g2_font_helvR10_tr );
u8g2.drawStr(30, 12, displayBuffer);
u8g2.setFontMode(0);
//u8g2.drawBox(xStart-2 + xSpace * i, y-12, 15, 15);
u8g2.drawBox(xStart + xSpace * i, y-12, 15, 15);
u8g2.setDrawColor(0);
}
//selectionItems[i].toCharArray(displayBuffer, 10);
//u8g2.setFont(u8g2_font_profont12_tr);
//u8g2.drawStr(xStart + xSpace * i, y, displayBuffer);
u8g2.setFont(u8g2_font_open_iconic_all_2x_t);
u8g2.drawGlyph(xStart + xSpace * i, y, selectionGlyphs[i]);
u8g2.setFontMode(0);
u8g2.setDrawColor(1);
}
}
void drawLight() {
if(lightActive) {
displayString = "Light";
displayString.toCharArray(displayBuffer, 12);
u8g2.setFont(u8g2_font_profont10_tr);
u8g2.drawStr(100, 38, displayBuffer);
}
}
void drawMode() {
if(currentMode == M_STEERING) {
displayString = (String)esc1 + " |S| " + (String)esc2;
displayString.toCharArray(displayBuffer, 12);
u8g2.setFont(u8g2_font_profont12_tr);
u8g2.drawStr(25, 50, displayBuffer);
} else if(currentMode == M_NORMAL && settings[limitMode] == 1) {
displayString = "LIM";
displayString.toCharArray(displayBuffer, 12);
u8g2.setFont(u8g2_font_profont12_tr);
u8g2.drawStr(105, 50, displayBuffer);
} else if(currentMode == M_CRUISE) {
if(crusing) {
displayString = "ACTIVE: " + (String) crusingSpeed;
displayString.toCharArray(displayBuffer, 12);
u8g2.setFont(u8g2_font_profont12_tr);
u8g2.drawStr(0, 50, displayBuffer);
} else {
displayString = "Inactive";
displayString.toCharArray(displayBuffer, 12);
u8g2.setFont(u8g2_font_profont12_tr);
u8g2.drawStr(0, 50, displayBuffer);
}
displayString = "CRU";
displayString.toCharArray(displayBuffer, 12);
u8g2.setFont(u8g2_font_profont12_tr);
u8g2.drawStr(105, 50, displayBuffer);
}
}
void updateMainDisplay() {
u8g2.firstPage();
do {
if(currentMode == M_SELECT) {
drawSelectionMenu();
} else if (currentMode == M_SETTINGS) {
drawSettingsMenu();
drawSettingNumber();
} else {
drawThrottle();
drawPage();
drawBatteryLevel();
drawSignal();
drawLight();
drawMode();
}
} while ( u8g2.nextPage() );
}
void drawStartScreen() {
u8g2.firstPage();
do {
u8g2.drawXBM( 4, 4, 24, 24, logo_bits);
displayString = "Esk8 remote";
displayString.toCharArray(displayBuffer, 12);
u8g2.setFont(u8g2_font_helvR10_tr );
u8g2.drawStr(34, 22, displayBuffer);
} while ( u8g2.nextPage() );
delay(800);
}
//############ End Drawing Functions
void setup() {
Serial.begin(115200);
//Set device in STA mode to begin with
//WiFi.mode(WIFI_STA);
//Set device in AP mode to begin with
WiFi.mode(WIFI_AP_STA);
// configure device AP mode
configDeviceAP(true);
DEBUG_PRINTLN("ESPNowSkate");
loadSettings();
// reset the screen
pinMode(16, OUTPUT);
digitalWrite(16, LOW); // set GPIO16 low to reset OLED
delay(50);
digitalWrite(16, HIGH);
// setup other pins
pinMode(triggerPin, INPUT_PULLUP);
xTaskCreatePinnedToCore(
checkClicks,
"click task",
1000,
NULL,
1,
&clickTaskHandle,
0);
initAccel();
DEBUG_PRINTLN("ESPNowSkate Sender");
u8g2.begin();
drawStartScreen();
if (triggerActive()) {
currentMode = M_SETTINGS;
drawTitleScreen("Remote Settings");
}
// This is the mac address of the Master in Station Mode
DEBUG_PRINT("STA MAC: "); DEBUG_PRINTLN(WiFi.macAddress());
if (esp_now_init() == ESP_OK) {
DEBUG_PRINTLN("ESPNow Init Success");
}
else {
DEBUG_PRINTLN("ESPNow Init Failed");
ESP.restart();
}
// Once ESPNow is successfully Init, we will register for Send CB to
// get the status of Trasnmitted packet
esp_now_register_send_cb(OnDataSent);
//ScanForBoard();
// Once ESPNow is successfully Init, we will register for recv CB to
// get recv packer info.
esp_now_register_recv_cb(OnDataRecv);
// Retrieve board from config:
for (int i = 0; i < 6; ++i ) {
board.peer_addr[i] = (uint8_t) mac_receiver[i];
}
board.channel = CHANNEL; // pick a channel
board.encrypt = 0; // no encryption
//board.ifidx = ESP_IF_WIFI_STA;
}
void loop() {
updateMainDisplay();
//if(currentMode == M_STEERING) readAccel();
readAccel();
DEBUG_PRINT("Accel Value Left Right (Y): ");
DEBUG_PRINT(map(AcY, -15000, 15000, -100, 100));
//Serial.print("Help(Y): ");
//Serial.println(map(GyY, -15000, 15000, -100, 100));
DEBUG_PRINT(" (X): ");
DEBUG_PRINT(map(AcX, -15000, 15000, -100, 100));
DEBUG_PRINT(" (Z): ");
DEBUG_PRINTLN(map(AcZ, -15000, 15000, -100, 100));
// left rigt : Z forward Back : Y
calculateThrottlePosition();
if (currentMode == M_SELECT) {
controlSelect();
esc1 = 127;
esc2 = 127;
} else if (currentMode == M_SETTINGS) {
// Use throttle and trigger to change settings
controlSettingsMenu();
} else {
// Use throttle and trigger to drive motors
if (triggerActive()) {
if(currentMode == M_STEERING) {
DEBUG_PRINT("Value: ");
int map = c_map(AcZ, -15000, 15000, -60, 60);
DEBUG_PRINTLN(map);
#ifdef steeringInfluential
esc1 = (uint8_t) constrain(throttle - map, 0, 200);
esc2 = (uint8_t) constrain(throttle + map, 0, 200);
#else
esc1 = (uint8_t) constrain(127 - map, 0, 200);
esc2 = (uint8_t) constrain(127 + map, 0, 200);
if(-10 < map && map < 10) {
esc1 = throttle;
esc2 = throttle;
}
// ignore reverse
if(throttle < 127) {
esc1 = throttle;
esc2 = throttle;
}
#endif
if(throttle == 127) {
esc1 = 127;
esc2 = 127;
}
DEBUG_PRINT("SteeringMode: ESC1: "); DEBUG_PRINT(esc1); DEBUG_PRINT(" ESC2: "); DEBUG_PRINTLN(esc2);
} else if(currentMode == M_CRUISE) {
setCrusing(throttle);
esc1 = (uint8_t) throttle;
esc2 = (uint8_t) throttle;
if(crusing) {
esc1 = (uint8_t) crusingSpeed;
esc2 = (uint8_t) crusingSpeed;
}
} else {
esc1 = (uint8_t) throttle;
esc2 = (uint8_t) throttle;
}
} else {
// 127 is the middle position - no throttle and no brake/reverse
esc1 = 127;
esc2 = 127;
if(crusing) setCrusing(0);
}
}
// If board is found, it would be populate in `board` variable
// We will check if `board` is defined and then we proceed further
if (board.channel == CHANNEL) { // check if board channel is defined
// `board` is defined
// Add board as peer if it has not been added already
bool isPaired = manageBoard();
if (isPaired) {
sendData();
} else {
// board pair failed
DEBUG_PRINTLN("board not found / paired!");
}
}
else {
// No board found to process
}
if(shouldUpdateSettings) {
updateSettings();
shouldUpdateSettings = false;
}
}
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