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BornaBiroBornaBiro
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Added micro SD card slot for all Inkplate boards with VCOM programming, fixed micro SD card test code on Inkplate 10, fixed VCOM programming on Inkplate 5 board.
1 parent f3ba880 commit b1bf1d9

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4 files changed

+208
-30
lines changed

4 files changed

+208
-30
lines changed

‎examples/Inkplate10/Others/Inkplate_Factory_Programming_VCOM/Inkplate_Factory_Programming_VCOM.ino

Lines changed: 1 addition & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -556,18 +556,11 @@ void microSDCardTest()
556556
display.setCursor(100, 100);
557557
display.print("microSD card slot test ");
558558

559-
if (checkMicroSDCard())
560-
{
561-
display.print("OK!");
562-
display.display();
563-
}
564-
else
559+
if (!checkMicroSDCard())
565560
{
566561
display.print("FAIL!");
567562
display.display();
568563
while(1);
569564
}
570-
571565
display.clearDisplay();
572-
delay(2500);
573566
}

‎examples/Inkplate5/Others/Inkplate_Factory_Programming_VCOM/Inkplate_Factory_Programming_VCOM.ino

Lines changed: 78 additions & 21 deletions
Original file line numberDiff line numberDiff line change
@@ -13,18 +13,21 @@ int EEPROMaddress = 0;
1313
char commandBuffer[BUFFER_SIZE + 1];
1414
char strTemp[2001];
1515

16+
const char sdCardTestStringLength = 100;
17+
const char *testString = {"This is some test string..."};
18+
1619
void setup()
1720
{
1821
display.begin();
1922
Serial.begin(115200);
2023
EEPROM.begin(64);
2124

25+
microSDCardTest();
26+
2227
if (EEPROM.read(EEPROMaddress) != 170)
2328
{
24-
display.digitalWriteMCP(3, HIGH);
25-
display.digitalWriteMCP(4, HIGH);
26-
display.digitalWriteMCP(5, HIGH);
27-
display.pinModeMCP(6, INPUT_PULLUP);
29+
display.einkOn();
30+
display.pinModeInternal(MCP23017_INT_ADDR, display.mcpRegsInt, 6, INPUT_PULLUP);
2831
display.display();
2932
display.einkOn();
3033
delay(100);
@@ -421,7 +424,7 @@ void writeToScreen()
421424
double readVCOM()
422425
{
423426
double vcomVolts;
424-
writeReg(0x01, B00111111); // enable all rails
427+
display.einkOn();
425428
writeReg(0x04, (readReg(0x04) | B00100000));
426429
writeToScreen();
427430
writeReg(0x04, (readReg(0x04) | B10000000));
@@ -442,13 +445,12 @@ void writeVCOMToEEPROM(double v)
442445
int vcom = int(abs(v) * 100);
443446
int vcomH = (vcom >> 8) & 1;
444447
int vcomL = vcom & 0xFF;
445-
// First, we have to power up TPS65186
446-
// Pull TPS65186 WAKEUP pin to High
447-
display.digitalWriteMCP(3, HIGH);
448448

449-
// Pull TPS65186 PWR pin to High
450-
display.digitalWriteMCP(4, HIGH);
451-
delay(10);
449+
// Set MCP23017 pin where TPS65186 INT pin is connectet to input pull up
450+
display.pinModeInternal(MCP23017_INT_ADDR, display.mcpRegsInt, 6, INPUT_PULLUP);
451+
452+
// First power up TPS65186 so we can communicate with it
453+
display.einkOn();
452454

453455
// Send to TPS65186 first 8 bits of VCOM
454456
writeReg(0x03, vcomL);
@@ -464,24 +466,20 @@ void writeVCOMToEEPROM(double v)
464466
delay(1);
465467
do
466468
{
467-
delay(1);
468-
} while (display.digitalReadMCP(6));
469+
delay(1);
470+
} while (display.digitalReadInternal(MCP23017_INT_ADDR, display.mcpRegsInt, 6));
469471

470472
// Clear Interrupt flag by reading INT1 register
471473
readReg(0x07);
472474

473475
// Now, power off whole TPS
474-
// Pull TPS65186 WAKEUP pin to Low
475-
display.digitalWriteMCP(3, LOW);
476-
477-
// Pull TPS65186 PWR pin to Low
478-
display.digitalWriteMCP(4, LOW);
476+
display.einkOff();
479477

480478
// Wait a little bit...
481479
delay(1000);
482480

483481
// Power up TPS again
484-
display.digitalWriteMCP(3, HIGH);
482+
display.einkOn();
485483

486484
delay(10);
487485

@@ -491,10 +489,69 @@ void writeVCOMToEEPROM(double v)
491489

492490
if (vcom != (vcomL | (vcomH << 8)))
493491
{
494-
Serial.println("\nVCOM EEPROM PROGRAMMING FAILED!\n");
492+
Serial.println("\nVCOM EEPROM PROGRAMMING FAILED!\n");
495493
}
496494
else
497495
{
498-
Serial.println("\nVCOM EEPROM PROGRAMMING OK\n");
496+
Serial.println("\nVCOM EEPROM PROGRAMMING OK\n");
497+
}
498+
}
499+
500+
int checkMicroSDCard()
501+
{
502+
int sdInitOk = 0;
503+
sdInitOk = display.sdCardInit();
504+
505+
if (sdInitOk)
506+
{
507+
File file;
508+
509+
if (file.open("/testFile.txt", O_CREAT | O_RDWR))
510+
{
511+
file.print(testString);
512+
file.close();
513+
}
514+
else
515+
{
516+
return 0;
517+
}
518+
519+
delay(250);
520+
521+
if (file.open("/testFile.txt", O_RDWR))
522+
{
523+
char sdCardString[sdCardTestStringLength];
524+
file.read(sdCardString, sizeof(sdCardString));
525+
sdCardString[file.fileSize()] = 0;
526+
int stringCompare = strcmp(testString, sdCardString);
527+
file.remove();
528+
file.close();
529+
if (stringCompare != 0)
530+
return 0;
531+
}
532+
else
533+
{
534+
return 0;
535+
}
536+
}
537+
else
538+
{
539+
return 0;
540+
}
541+
return 1;
542+
}
543+
544+
void microSDCardTest()
545+
{
546+
display.setTextSize(4);
547+
display.setCursor(100, 100);
548+
display.print("microSD card slot test ");
549+
550+
if (!checkMicroSDCard())
551+
{
552+
display.print("FAIL!");
553+
display.display();
554+
while(1);
499555
}
556+
display.clearDisplay();
500557
}

‎examples/Inkplate6/Others/Inkplate_Factory_Programming_VCOM/Inkplate_Factory_Programming_VCOM.ino

Lines changed: 64 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -13,6 +13,9 @@ int EEPROMaddress = 0;
1313
char commandBuffer[BUFFER_SIZE + 1];
1414
char strTemp[2001];
1515

16+
const char sdCardTestStringLength = 100;
17+
const char *testString = {"This is some test string..."};
18+
1619
uint8_t mcpRegsInt[22];
1720

1821
void setup()
@@ -21,6 +24,8 @@ void setup()
2124
Serial.begin(115200);
2225
EEPROM.begin(64);
2326

27+
microSDCardTest();
28+
2429
if (EEPROM.read(EEPROMaddress) != 170)
2530
{
2631
display.digitalWriteInternal(MCP23017_ADDR, mcpRegsInt, 3, HIGH);
@@ -512,3 +517,62 @@ void writeVCOMToEEPROM(double v)
512517
Serial.println("\nVCOM EEPROM PROGRAMMING OK\n");
513518
}
514519
}
520+
521+
int checkMicroSDCard()
522+
{
523+
int sdInitOk = 0;
524+
sdInitOk = display.sdCardInit();
525+
526+
if (sdInitOk)
527+
{
528+
File file;
529+
530+
if (file.open("/testFile.txt", O_CREAT | O_RDWR))
531+
{
532+
file.print(testString);
533+
file.close();
534+
}
535+
else
536+
{
537+
return 0;
538+
}
539+
540+
delay(250);
541+
542+
if (file.open("/testFile.txt", O_RDWR))
543+
{
544+
char sdCardString[sdCardTestStringLength];
545+
file.read(sdCardString, sizeof(sdCardString));
546+
sdCardString[file.fileSize()] = 0;
547+
int stringCompare = strcmp(testString, sdCardString);
548+
file.remove();
549+
file.close();
550+
if (stringCompare != 0)
551+
return 0;
552+
}
553+
else
554+
{
555+
return 0;
556+
}
557+
}
558+
else
559+
{
560+
return 0;
561+
}
562+
return 1;
563+
}
564+
565+
void microSDCardTest()
566+
{
567+
display.setTextSize(4);
568+
display.setCursor(100, 100);
569+
display.print("microSD card slot test ");
570+
571+
if (!checkMicroSDCard())
572+
{
573+
display.print("FAIL!");
574+
display.display();
575+
while(1);
576+
}
577+
display.clearDisplay();
578+
}

‎examples/Inkplate6PLUS/Others/Inkplate_Factory_Programming_VCOM/Inkplate_Factory_Programming_VCOM.ino

Lines changed: 65 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@
33
#include "image.h"
44
#include <Wire.h>
55

6-
Inkplate display(INKPLATE_3BIT);
6+
Inkplate display(INKPLATE_1BIT);
77

88
double vcomVoltage = -2.95;
99
int EEPROMaddress = 100;
@@ -13,12 +13,17 @@ int EEPROMaddress = 100;
1313
char commandBuffer[BUFFER_SIZE + 1];
1414
char strTemp[2001];
1515

16+
const char sdCardTestStringLength = 100;
17+
const char *testString = {"This is some test string..."};
18+
1619
void setup()
1720
{
1821
display.begin();
1922
Serial.begin(115200);
2023
EEPROM.begin(64);
2124

25+
microSDCardTest();
26+
2227
if (EEPROM.read(EEPROMaddress) != 170)
2328
{
2429
display.einkOn();
@@ -497,3 +502,62 @@ void writeVCOMToEEPROM(double v)
497502
Serial.println("\nVCOM EEPROM PROGRAMMING OK\n");
498503
}
499504
}
505+
506+
int checkMicroSDCard()
507+
{
508+
int sdInitOk = 0;
509+
sdInitOk = display.sdCardInit();
510+
511+
if (sdInitOk)
512+
{
513+
File file;
514+
515+
if (file.open("/testFile.txt", O_CREAT | O_RDWR))
516+
{
517+
file.print(testString);
518+
file.close();
519+
}
520+
else
521+
{
522+
return 0;
523+
}
524+
525+
delay(250);
526+
527+
if (file.open("/testFile.txt", O_RDWR))
528+
{
529+
char sdCardString[sdCardTestStringLength];
530+
file.read(sdCardString, sizeof(sdCardString));
531+
sdCardString[file.fileSize()] = 0;
532+
int stringCompare = strcmp(testString, sdCardString);
533+
file.remove();
534+
file.close();
535+
if (stringCompare != 0)
536+
return 0;
537+
}
538+
else
539+
{
540+
return 0;
541+
}
542+
}
543+
else
544+
{
545+
return 0;
546+
}
547+
return 1;
548+
}
549+
550+
void microSDCardTest()
551+
{
552+
display.setTextSize(5);
553+
display.setCursor(100, 100);
554+
display.print("microSD card slot test ");
555+
556+
if (!checkMicroSDCard())
557+
{
558+
display.print("FAIL!");
559+
display.display();
560+
while(1);
561+
}
562+
display.clearDisplay();
563+
}

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