working clearing individual columns, problem with setting individual dots

This commit is contained in:
interfisch 2023-01-25 00:18:15 +01:00
parent 0438b4094a
commit f916bafb84
1 changed files with 77 additions and 23 deletions

View File

@ -37,9 +37,12 @@ void selectColumnClear(uint8_t selcolumn);
void selectColumnSet(uint8_t selcolumn);
void selectColumn(uint8_t selcolumn, bool clear);
bool HBridgeOK();
void shiftData();
unsigned long loopmillis=0;
unsigned long last_update=0;
#define UPDATE_INTERVAL 3000
#define UPDATE_INTERVAL 500
void setup() {
@ -83,7 +86,26 @@ void loop() {
digitalWrite(PIN_OE, LOW); //Active Low
static bool init=false;
if (!init) {
delay(2000);
Serial.println("Clearing Display");
for (int l=0;l<25;l++) {
selectColumnClear(l%25);
shiftData();
if (!clearSelectedColumn()) {
Serial.println("Error clearing column!");
}else{
Serial.println("Cleared");
}
delay(50);
}
init=true;
delay(1000);
}
if (loopmillis > last_update + UPDATE_INTERVAL)
@ -126,11 +148,11 @@ void loop() {
//reset pin on annax board input should be used (not pulled to gnd for a short time) after dots have been flipped (to disable potentially activated transistors)
selectColumnClear(countz%25);
//selectColumnClear(countz%25);
//selectColumnSet(countz%25);
selectColumnSet((12+(countz/25))%25); //lower column number is on the left
//row=pow(2, countz/25);
row=pow(2, countz%16); //low significant bits are lower rows (when connector at top)
@ -143,28 +165,18 @@ void loop() {
Serial.println();
//reset pin on ribbon cable high (12Vpullup/open), then low (via Transistor)
//Select Columns via Shift registers
for (uint8_t i=0;i<7;i++) {
shiftOutSlow(PIN_DATA_DRVBRD, PIN_CLK_DRVBRD, LSBFIRST, col[6-i]);
}
//select Rows via shift registers on own controller board
shiftOutSlow(PIN_DATA, PIN_CLK, LSBFIRST, row%256);
shiftOutSlow(PIN_DATA, PIN_CLK, LSBFIRST, row/256); //LSBFIRST= LSB is QH, bit 8 is QA.
digitalWrite(PIN_LATCH, HIGH);
delayMicroseconds(100);
digitalWrite(PIN_LATCH, LOW);
shiftData();
//setSelectedDot();
setSelectedDot();
if (!clearSelectedColumn()) {
/*if (!clearSelectedColumn()) {
Serial.println("Error clearing column!");
}else{
Serial.println("Cleared");
}
}*/
@ -214,7 +226,17 @@ void selectColumn(uint8_t selcolumn, bool clear) {
col[i]=0;
}
col[sc_byte]=pow(2, (sc_bit*2+clear));
col[sc_byte]=pow(2, (sc_bit*2+clear)); // possible numbers for clear=false: 1,4,16,64
/*
if (!clear) { //when setting a dot set all other columns to 12v (to avoid ghost flipping)
for (uint8_t i=0;i<7;i++) {
col[i]+=2+8+32+128; //set to +12v
}
col[sc_byte]-=pow(2, (sc_bit*2+1)); //avoid short circuit on H-bridge
}
*/
}
bool clearSelectedColumn() {
@ -235,7 +257,7 @@ bool clearSelectedColumn() {
digitalWrite(PIN_DRIVE, HIGH);
digitalWrite(PIN_CLEAR, HIGH);
delay(200);
delay(50);
digitalWrite(PIN_CLEAR, LOW);
digitalWrite(PIN_DRIVE, LOW);
return 1;
@ -243,7 +265,7 @@ bool clearSelectedColumn() {
bool setSelectedDot() {
for (uint8_t cc=0;cc<7;cc++) {
/*for (uint8_t cc=0;cc<7;cc++) {
//Serial.print("checking cc="); Serial.println(cc);
for (uint8_t i=1;i<8;i+=2) {
if (CHECK_BIT(col[cc],i)) {
@ -252,10 +274,42 @@ bool setSelectedDot() {
return 0; //a column is set to ground (should not be set for clear column)
}
}
}*/
if (!HBridgeOK) {
return 0;
}
digitalWrite(PIN_DRIVE, HIGH);
delay(200);
delay(10);
digitalWrite(PIN_DRIVE, LOW);
return 1;
}
bool HBridgeOK() {
for (uint8_t cc=0;cc<7;cc++) {
//Serial.print("checking cc="); Serial.println(cc);
for (uint8_t i=0;i<8;i+=2) {
if (CHECK_BIT(col[cc],i) && CHECK_BIT(col[cc],i+1)) {
Serial.print("Short circuit on bit ");
Serial.print(i); Serial.print(" col="); Serial.println(cc);
return 0; //a column is set to ground (should not be set for clear column)
}
}
}
return 1;
}
void shiftData() { //send out all data to shift registers
//Select Columns via Shift registers
for (uint8_t i=0;i<7;i++) {
shiftOutSlow(PIN_DATA_DRVBRD, PIN_CLK_DRVBRD, LSBFIRST, col[6-i]);
}
//select Rows via shift registers on own controller board
shiftOutSlow(PIN_DATA, PIN_CLK, LSBFIRST, row%256);
shiftOutSlow(PIN_DATA, PIN_CLK, LSBFIRST, row/256); //LSBFIRST= LSB is QH, bit 8 is QA.
digitalWrite(PIN_LATCH, HIGH);
delayMicroseconds(100);
digitalWrite(PIN_LATCH, LOW);
}