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Merge pull request #78 from ninezerozeronine/hardware_updates
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Hardware updates
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@ninezerozeronine
ninezerozeronine committed Mar 3, 2020
2 parents fc61914 + 3a49d13 commit 85879c1
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Showing 124 changed files with 32,164 additions and 22,860 deletions.
2,053 changes: 2,053 additions & 0 deletions arduino/eeprom-programmer/decimal_rom.cpp
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9 changes: 9 additions & 0 deletions arduino/eeprom-programmer/decimal_rom.h
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
#ifndef DECIMAL_ROM_H
#define DECIMAL_ROM_H

#include <Arduino.h>

extern const byte DECIMAL_ROM[];
extern const byte DECIMAL_ROM_LAST_BYTE;

#endif
115 changes: 101 additions & 14 deletions arduino/eeprom-programmer/eeprom-programmer.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,11 @@
#include <Arduino.h>

#include "button.h"
#include "roms.h"
#include "mc_rom_0.h"
#include "mc_rom_1.h"
#include "mc_rom_2.h"
#include "mc_rom_3.h"
#include "decimal_rom.h"

#define ROM_SEL_BUTTON_PIN A0
#define MODE_SEL_BUTTON_PIN A1
Expand Down Expand Up @@ -129,7 +133,7 @@ void write_eeprom_data(unsigned long data_pointer, byte last_byte) {

byte value = 0;
int chunk = 1;
for (unsigned int address = 0; address < NUM_ADDRESSES; address++) {
for (unsigned int address = 0; address < NUM_ADDRESSES - 1; address++) {

// Delay after every 64 bytes to give time for the page write to happen.
if (((address % 64) == 0 ) and (address != 0)) {
Expand Down Expand Up @@ -167,6 +171,73 @@ void write_eeprom_data(unsigned long data_pointer, byte last_byte) {

set_datapins_value(0);
set_datapins_mode(INPUT);

// Delay so the chip is ready for whatever happens next.
delay(12);
}


void verify_eeprom_data(unsigned long data_pointer, byte last_byte) {
// Read the rom and verify that the data inside is correct.
//
// Args:
// data_pointer: Address of the start of the array of bytes.
// last_byte: The last byte to write

byte read_value = 0;
byte correct_value = 0;
int chunk = 1;

digitalWrite(_OE_PIN, LOW);
set_datapins_mode(INPUT);

for (unsigned int address = 0; address < NUM_ADDRESSES - 1; address++) {

if ((address % 256) == 0) {
char buf[40];
sprintf(buf, "Verifying chunk %03d of 128.", chunk);
Serial.println(buf);
chunk += 1;
}

delayMicroseconds(5);
set_addresspins_value(address);
delayMicroseconds(5);
read_value = read_current_byte();
correct_value = pgm_read_byte_far(data_pointer + address);

if (read_value != correct_value) {
char err_buf[80];
sprintf(err_buf,
"Incorrect value at %05d (%04X hex). Read %02X but it should be %02X.",
address,
address,
read_value,
correct_value
);
Serial.println(err_buf);
}
}

// Verify the last byte
delayMicroseconds(5);
set_addresspins_value(NUM_ADDRESSES - 1);
delayMicroseconds(5);
read_value = read_current_byte();

if (read_value != last_byte) {
char err_buf[80];
sprintf(err_buf,
"Incorrect value at %05d (%04X hex). Read %02X but it should be %02X.",
32767, // sprintf doesn't like (NUM_ADDRESSES - 1) for some reason
32767,
read_value,
last_byte
);
Serial.println(err_buf);
}

digitalWrite(_OE_PIN, HIGH);
}


Expand Down Expand Up @@ -207,7 +278,7 @@ void set_addresspins_value(unsigned int address) {

void rom_sel_button_pressed() {
// Update state when rom select button is pressed
selected_rom = (selected_rom + 1) % 4;
selected_rom = (selected_rom + 1) % 5;
set_rom_indicator_LED();
}

Expand All @@ -220,7 +291,7 @@ void mode_sel_button_pressed() {


void go_button_pressed() {
// Perform the correct action base on the current mode and rom
// Perform the correct action based on the current mode and rom
//
// We get the address here because the pgm_get_far_address needs a compile
// time constant to work correctly otherwise you get compilation errors.
Expand All @@ -238,19 +309,28 @@ void go_button_pressed() {
Serial.println(selected_rom);
switch (selected_rom) {
case 0: {
write_eeprom_data(pgm_get_far_address(ROM_0), ROM_0_last_byte);
write_eeprom_data(pgm_get_far_address(MC_ROM_0), MC_ROM_0_LAST_BYTE);
verify_eeprom_data(pgm_get_far_address(MC_ROM_0), MC_ROM_0_LAST_BYTE);
break;
}
case 1: {
write_eeprom_data(pgm_get_far_address(ROM_1), ROM_1_last_byte);
write_eeprom_data(pgm_get_far_address(MC_ROM_1), MC_ROM_1_LAST_BYTE);
verify_eeprom_data(pgm_get_far_address(MC_ROM_1), MC_ROM_1_LAST_BYTE);
break;
}
case 2: {
write_eeprom_data(pgm_get_far_address(ROM_2), ROM_2_last_byte);
write_eeprom_data(pgm_get_far_address(MC_ROM_2), MC_ROM_2_LAST_BYTE);
verify_eeprom_data(pgm_get_far_address(MC_ROM_2), MC_ROM_2_LAST_BYTE);
break;
}
case 3: {
write_eeprom_data(pgm_get_far_address(ROM_3), ROM_3_last_byte);
write_eeprom_data(pgm_get_far_address(MC_ROM_3), MC_ROM_3_LAST_BYTE);
verify_eeprom_data(pgm_get_far_address(MC_ROM_3), MC_ROM_3_LAST_BYTE);
break;
}
case 4: {
write_eeprom_data(pgm_get_far_address(DECIMAL_ROM), DECIMAL_ROM_LAST_BYTE);
verify_eeprom_data(pgm_get_far_address(DECIMAL_ROM), DECIMAL_ROM_LAST_BYTE);
break;
}
break;
Expand All @@ -262,12 +342,19 @@ void go_button_pressed() {

void set_rom_indicator_LED() {
// Set the LEDs to indicate which ROM will be written.
for (int led_index = 0; led_index < 4; led_index++){
if (led_index == selected_rom) {
digitalWrite(ROM_INDICATOR_PINS[led_index], HIGH);
} else {
digitalWrite(ROM_INDICATOR_PINS[led_index], LOW);
}
if (selected_rom == 4) {
digitalWrite(ROM_INDICATOR_PINS[0], HIGH);
digitalWrite(ROM_INDICATOR_PINS[1], HIGH);
digitalWrite(ROM_INDICATOR_PINS[2], HIGH);
digitalWrite(ROM_INDICATOR_PINS[3], HIGH);
} else {
for (int led_index = 0; led_index < 4; led_index++){
if (led_index == selected_rom) {
digitalWrite(ROM_INDICATOR_PINS[led_index], HIGH);
} else {
digitalWrite(ROM_INDICATOR_PINS[led_index], LOW);
}
}
}
}

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