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New factory programming example for all Inkplate boards.
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‎examples/Inkplate10/Others/Inkplate_Factory_Programming_VCOM/Inkplate_Factory_Programming_VCOM.ino

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‎examples/Inkplate10/Others/Inkplate_Factory_Programming_VCOM/test.cpp

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#include "test.h"
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const char sdCardTestStringLength = 100;
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const char *testString = {"This is some test string..."};
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const char *WSSID = {""};
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const char *WPASS = {""};
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void testPeripheral(uint8_t _skipSecondIO)
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{
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// Set display for test report
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display.setTextSize(4);
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display.setTextColor(BLACK);
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display.setCursor(0, 0);
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display.println("INKPLATE CHECKLIST");
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// Power up epaper PSU
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display.einkOn();
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// Check if epaper PSU (TPS65186 EPD PMIC) is ok.
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Wire.beginTransmission(0x48); // Send address 0x48 on I2C
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if (!(Wire.endTransmission() == 0) || !(display.readPowerGood())) // Check if there was an error in communication
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{
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Serial.println("- TPS Fail!");
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failHandler();
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}
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display.println("- TPS65186: OK");
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display.partialUpdate(0, 1);
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// IF needed, check of the second I/O expander can be skipped.
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int _n = _skipSecondIO? 1 : 2;
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for (int i = 0; i < _n; i++)
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{
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// Check I/O expander
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display.printf("- I/O Expander %d: ", i + 1);
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display.partialUpdate(0, 1);
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// Try to communicate with I/O expander
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Wire.beginTransmission(0x20 + (i * 2)); // Send address 0x20 or 0x22
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if (Wire.endTransmission() == 0) // Check if there was an error in communication and print out the results on display.
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{
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display.println("OK");
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display.partialUpdate(0, 1);
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}
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else
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{
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// Hang the code only if first MCP is not found.
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display.println("FAIL");
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failHandler();
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}
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}
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// Check the micro SD card slot
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display.print("- microSD card slot: ");
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display.partialUpdate(0, 1);
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if (checkMicroSDCard())
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{
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display.println("OK");
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display.partialUpdate(0, 1);
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}
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else
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{
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display.println("FAIL");
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failHandler();
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}
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// Check the WiFi
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display.print("- WiFi: ");
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display.partialUpdate(0, 1);
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if (checkWiFi(WSSID, WPASS, WTIMEOUT))
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{
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display.println("OK");
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display.partialUpdate(0, 1);
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}
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else
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{
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display.println("FAIL");
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failHandler();
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}
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// Check the RTC
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display.print("- PCF85063 RTC: ");
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if (rtcCheck())
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{
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display.println("OK");
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display.partialUpdate(0, 1);
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}
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else
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{
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display.println("FAIL");
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failHandler();
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}
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// This test only must be run on older Inkplates (e-radionica.com Inkplates with touchpads)
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#ifdef ARDUINO_INKPLATE10
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// Test Touchpads
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if (touchPads(TOUCHPADS_TIMEOUT))
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{
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display.println(" OK");
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display.partialUpdate(0, 1);
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}
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else
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{
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display.println(" FAIL");
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failHandler();
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}
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#endif
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}
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double getVCOMFromSerial(double *_vcom)
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{
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double vcom = 1;
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char serialBuffer[50];
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unsigned long serialTimeout;
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// Display a message on Inkplate
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display.print("\r\n- Write VCOM on UART: ");
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display.partialUpdate(0, 1);
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while (true)
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{
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Serial.println("Write VCOM voltage from epaper panel.\r\nDon't forget negative (-) sign!\r\nUse dot as the decimal point. For example -1.23\n");
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while (!Serial.available());
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serialTimeout = millis();
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int i = 0;
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while ((Serial.available()) && ((unsigned long)(millis() - serialTimeout) < 500))
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{
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if ((Serial.available()) && (i < 49))
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{
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serialBuffer[i++] = Serial.read();
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serialTimeout = millis();
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}
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}
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serialBuffer[i] = 0;
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if (sscanf(serialBuffer, "%lf", &vcom) == 1)
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{
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*_vcom = vcom;
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return 1;
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}
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}
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return 0;
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}
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int checkWiFi(const char *_ssid, const char *_pass, uint8_t _wifiTimeout)
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{
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unsigned long _timeout = millis();
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// Try to connect to WiFi network
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WiFi.begin(WSSID, WPASS);
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// Wait until WiFi connection is established or timeout has occured.
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while ((WiFi.status() != WL_CONNECTED) && ((unsigned long)(millis() - _timeout) < (_wifiTimeout * 1000UL)));
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// Check if board is connected to WiFi
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if (WiFi.status() == WL_CONNECTED)
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{
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return 1;
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}
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else
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{
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return 0;
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}
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// Something is wrong if you got there.
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return 0;
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}
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int checkMicroSDCard()
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{
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int sdInitOk = 0;
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sdInitOk = display.sdCardInit();
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if (sdInitOk)
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{
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File file;
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if (file.open("/testFile.txt", O_CREAT | O_RDWR))
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{
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file.print(testString);
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file.close();
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}
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else
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{
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return 0;
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}
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delay(250);
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if (file.open("/testFile.txt", O_RDWR))
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{
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char sdCardString[sdCardTestStringLength];
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file.read(sdCardString, sizeof(sdCardString));
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sdCardString[file.fileSize()] = 0;
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int stringCompare = strcmp(testString, sdCardString);
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file.remove();
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file.close();
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if (stringCompare != 0)
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return 0;
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}
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else
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{
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return 0;
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}
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}
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else
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{
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return 0;
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}
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return 1;
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}
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int rtcCheck()
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{
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// First "ping" RTC on the I2C protocol and reset the RTC
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Wire.beginTransmission(0x51);
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int _res = Wire.endTransmission();
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// If result is from I2C is anything else than success (_res = 0), return 0 (error).
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if (_res != 0) return 0;
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// Reset and re-init RTC.
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display.rtcReset();
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// Set some time in epoch in RTC.
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uint32_t _epoch = 1640995200ULL;
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display.rtcSetEpoch(_epoch);
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// Wait at least one and a half second
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delay(1500);
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// Read the epoch (if everything is ok, epoch from RTC should not be the same)
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if (display.rtcGetEpoch() != _epoch)
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{
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return 1;
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}
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else
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{
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return 0;
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}
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return 0;
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}
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int touchPads(uint8_t _timeoutTouchpads)
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{
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// This test only must be run on older Inkplates (e-radionica.com Inkplates with touchpads)
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#ifdef ARDUINO_INKPLATE10
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// Variable for storing detected touch
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int _flags = 0;
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// Show message on display
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display.print("- Touchpads [Press them!]: ");
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display.partialUpdate(0, 1);
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// Wait until all touchpads are pressed at least once in test.
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unsigned long _timeout = millis();
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while ((_flags != 0b00000111) && ((unsigned long)(millis() - _timeout) < (_timeoutTouchpads * 1000UL)))
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{
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for (int i = 0; i < 3; i++)
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{
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if (display.readTouchpad(PAD1 + i) && (!(_flags & (1 << i))))
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{
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_flags |= (1 << i);
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display.print(i + 1, DEC);
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display.partialUpdate(0, 1);
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}
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}
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}
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if ((millis() - _timeout) >= (_timeoutTouchpads * 1000UL))
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{
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return 0;
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}
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else
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{
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return 1;
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}
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return 0;
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#endif
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return 1;
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}
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// Show a message and stop the code from executing.
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void failHandler()
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{
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display.print(" -> Test stopped!");
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display.partialUpdate(0, 1);
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// Inf. loop... halt the program!
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while (true);
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}

‎examples/Inkplate10/Others/Inkplate_Factory_Programming_VCOM/test.h

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#ifndef __TEST_H__
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#define __TEST_H__
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#include <Arduino.h>
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#include "Inkplate.h"
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// WiFi timeout in seconds.
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#define WTIMEOUT 10
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// Timeoit for detecting touchpads in seconds (only on old Inkplates)
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#define TOUCHPADS_TIMEOUT 10
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// Get Inkplate object from the main file.
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extern Inkplate display;
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void testPeripheral(uint8_t _skipSecondIO = 0);
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double getVCOMFromSerial(double *_vcom);
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int checkWiFi(const char *_ssid, const char *_pass, uint8_t _wifiTimeout);
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int checkMicroSDCard();
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int rtcCheck();
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int touchPads(uint8_t _timeoutTouchpads);
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void failHandler();
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#endif

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