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Added gitignore. First version of the tester script.

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This commit is contained in:
Mariano Uvalle 2020-12-11 16:50:13 -06:00
parent d5a27c630f
commit 59a9758a63
3 changed files with 196 additions and 7 deletions
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13
arduino_programs/arduino_programmer/arduino_programmer.ino
View file

@ -17,6 +17,7 @@
// Digital pins 8 to 13 correspond to PB0 to PB5
byte lastOp;
static char printBuff[128];
void latchOutput() {
static byte latchMask = 0b00010000;
@ -52,12 +53,12 @@ void setBusMode(bool busMode) {
void setAddress(int address, bool outputEnable) {
// Position of the output enable bit withing the data to be shifted out.
static byte outputEnableMask = 0x8000;
static int outputEnableMask = 0x8000;
// Position of the data bit within PORTD.
static byte dataMask = 0b00000100;
// Position of the clock bit within PORTD.
static byte clockMask = 0b00001000;
if (outputEnable) {
// Clear output enable bit.
address &= ~outputEnableMask;
@ -65,10 +66,9 @@ void setAddress(int address, bool outputEnable) {
// Set output enable bit.
address |= outputEnableMask;
}
// Make sure the clock pin is low.
PORTD &= ~clockMask;
// Make sure the clock pin is low.
PORTD &= ~clockMask;
// Shift the data out LSB first.
for (uint8_t i = 0; i < 16; i++, address >>= 1) {
if (address & 1) {
@ -148,7 +148,8 @@ void setup() {
Serial.begin(9600);
writeEEPROM(0x1234, 0x55, true);
writeEEPROM(0x4321, 0x7E, true);
}
void loop() {

25
arduino_programs/arduino_tester/arduino_tester.ino
View file

@ -7,8 +7,31 @@
#define ADDRESS_0 22
#define ADDRESS_15 50
void setup() {
#define ADDRESS_CLOCK 18
#define WRITE_CLOCK 19
void setup() {
Serial.begin(9600);
attachInterrupt(digitalPinToInterrupt(ADDRESS_CLOCK), onAddressClock, RISING);
attachInterrupt(digitalPinToInterrupt(WRITE_CLOCK), onWriteClock, FALLING);
}
void onAddressClock() {
delayMicroseconds(1);
Serial.print("Address: 0b");
Serial.print(digitalRead(OUTPUT_ENABLE));
for (int pin = ADDRESS_15; pin >= ADDRESS_0; pin -= 2) {
Serial.print(digitalRead(pin));
}
Serial.println();
}
void onWriteClock() {
Serial.print("Data: 0b");
for (int pin = DATA_7; pin >= DATA_0; pin--) {
Serial.print(digitalRead(pin));
}
Serial.println();
}
void loop() {