157 lines
3.1 KiB
C++
157 lines
3.1 KiB
C++
#include "ROMWireProtocol.h"
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#include "XModem.h"
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enum {
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CMD_INVALID,
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CMD_WRITE,
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CMD_TEST,
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CMD_DUMP
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};
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char line[120];
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byte cmd = NULL;
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XModem xmodem;
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bool receiveBlockHandler(void *blk_id, size_t idSize, byte *data, size_t dataSize) {
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for (int i = 0; i < dataSize; i++) {
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programData(data[i], i);
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}
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Serial.println(".");
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cmd = NULL;
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return true;
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}
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void setup() {
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// Debug trigger
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pinMode(10, OUTPUT);
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digitalWrite(10, LOW);
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// put your setup code here, to run once:
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setCtrlPins();
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setAddrPinsOut();
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setDataPinsIn();
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//setDataPinsOut();
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Serial.begin(9600, SERIAL_8N1);
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xmodem.begin(Serial, XModem::ProtocolType::XMODEM);
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xmodem.setRecieveBlockHandler(receiveBlockHandler);
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delay(2);
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Serial.println("Started Serial COM.");
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}
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/*
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* Function grabbed from TommyPROM library
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* Copyright Tom Nisbet
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*/
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char *readLine(char *buffer, int len) {
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for (int ix = 0; ix < len; ix++) {
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buffer[ix] = 0;
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}
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char c = ' ';
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int ix = 0;
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do {
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if (Serial.available()) {
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c = Serial.read();
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if ((c == '\b') && (ix > 0)) {
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--ix;
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}
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buffer[ix++] = c;
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Serial.write(c);
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}
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} while ((c != '\n') && (c != '\r') && (ix < len));
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buffer[ix - 1] = 0;
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return buffer;
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}
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/*
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* Function modified from TommyPROM library
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* Copyright Tom Nisbet
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*/
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byte parseCommand(char c) {
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byte cmd = CMD_INVALID;
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if ((c >= 'A') && (c <= 'Z')) {
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c |= 0x20;
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}
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switch (c) {
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case 'w': cmd = CMD_WRITE; break;
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case 't': cmd = CMD_TEST; break;
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case 'd': cmd = CMD_DUMP; break;
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default: cmd = CMD_INVALID; break;
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}
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return cmd;
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}
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void loop() {
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// put your main code here, to run repeatedly:
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//programData(0x3F, 0x0000);
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//byte data = readData(0x0000);
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// Serial.print("data: ");
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//Serial.print("Data returned: ");
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//Serial.println(data, HEX);
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// Serial.println("\n");
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//delay(1);
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Serial.print("\n>");
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readLine(line, sizeof(line));
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Serial.flush();
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//if(cmd == NULL) {
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cmd = parseCommand(line[0]);
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//}
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switch (cmd) {
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case CMD_WRITE:
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Serial.println("Burn new ROM: Waiting for an xmodem transfer..");
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xmodem.receive();
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break;
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case CMD_TEST:
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Serial.println("Testing with a read/write cycle");
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programData(0x3F, 0x0000);
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Serial.println("Wrote: 0x3F");
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setDataPinsIn();
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delay(500);
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Serial.println("Received: ");
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Serial.println(readData(0x0000), HEX);
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cmd = NULL;
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break;
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case CMD_DUMP:
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setDataPinsIn();
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delay(500);
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Serial.println("Dumping ROM...");
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dumpROM();
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// for(int i = 0; i < 20; i++) {
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// Serial.println(readData(0x1000), HEX);
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// }
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cmd = NULL;
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break;
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case CMD_INVALID:
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default:
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Serial.println("NOR Flasher v1.0 Alpha");
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Serial.println();
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Serial.println("Commands: ");
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Serial.println("w\twrite new firmware");
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Serial.println("d\tdump firmware");
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Serial.println();
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break;
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}
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}
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void dumpROM() {
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for(int i = 0; i < 10; i++) {
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byte data = readData(0x0000 | i);
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Serial.println(data, HEX);
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}
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} |