10 Commits

Author SHA1 Message Date
Andrew Gillham
9a065516e2 Add additional diagnostic commands.
You can connect via the serial monitor and send ‘?’ to get a list of
commands available.  This allows some diagnostics when the board isn’t
working with the OLS client.
Sending ‘4’ does a 4MHz capture and ‘2’ dumbs the data buffer for
example.  Recommended to use this with the simulated signal via a
timer.  See the bottom of the setup() function and change the ‘#if 0’
to ‘#if 1’ to enable it.
Also, fix a long standing bug that broke 2MHz captures and the
ATmega168. (improper #if defined check)
2015-02-07 12:17:24 -08:00
Andrew Gillham
d0afee13d2 Update README formatting.
Reduce lines to less than 80 columns to avoid wrapping.
2014-06-22 16:04:20 -07:00
Andrew Gillham
23fb253929 Fix sketch size for ATmega168
Automatically skip the inline2MHz sample rate on an ATmega168 based
Arduino.  4MHz will still work fine and the sketch will fit (10kB
instead of 16kB+)
2014-06-22 15:40:05 -07:00
Andrew Gillham
3128dc35f0 Cleanup README
Cleanup older notes from the README.  Move the part about disabling
auto-reset to towards the end under ‘older notes’ and add a comment
about how it shouldn’t be necessary.  Almost move the part about the
device profiles as they are builtin to ols-0.9.7 or newer.
2014-06-22 15:30:55 -07:00
Andrew Gillham
9c83897b9b Correct preprocessor logic to avoid data gap on the Mega.
Fixes issue #14 where I copied the preprocessor logic from a different
Mega related check and didn't fix up the elif.  So samples from 512 -
1023 were always zero on the Mega.
Update to v0.12
2013-09-06 09:54:41 -07:00
Andrew Gillham
2a549be57a Tweak README 2013-08-03 13:25:54 -07:00
Andrew Gillham
2d31a93687 Add notes about 2MHz/4MHz mode and binary size.
Also move a couple more things under #ifdef DEBUG in an attempt to
reduce the code size for ATmega168.
It current doesn't fit in the '168 but maybe after some more tweaks.
2013-08-03 13:23:02 -07:00
Andrew Gillham
d7c1bf52a8 Add 2MHz and 4MHz sample rate support.
Use unrolled loops to sample at 2MHz & 4MHz rates.  Based on some
testing by Bob Davis (http://bobdavis321.blogspot.com)
The maximum with a 16MHz clock is 5.3333MHz (3 cycles per sample) but
sampling at that rate isn't very accurate.  Accuracy is pretty good at
2MHz & 4MHz.
2013-08-03 12:33:23 -07:00
Andrew Gillham
69de405dd5 Release v0.10 with a fix for the Arduino Uno R3.
The only change is an updated ols.profile-agla.cfg that works with the
Arduino Uno R3.
2013-07-22 22:25:24 -07:00
Andrew Gillham
8c7db04e3c Increase portdelay so that Arduino Uno R3 works.
For some reason the Arduino Uno R3 (but not my earlier / original Uno)
needs a longer delay after reset.  I haven't investigated the cause
yet, but increasing device.open.portdelay to > 1700ms seems to fix it.
Bump to 2000 just to be safe in all cases.  This should fix the Uno R3
issues that have been reported a couple of times now.
2013-07-22 22:11:20 -07:00
6 changed files with 29318 additions and 338 deletions

63
README
View File

@@ -1,43 +1,28 @@
SUMP compatible logic analyzer for Arduino SUMP compatible logic analyzer for Arduino
========================================== ==========================================
NOTE: NOTE: v0.09 switches the channels BACK to pins 8-13 for trigger reliability.
Please report any issues. Uncomment USE_PORTD for pins 2-7.
This Arduino sketch implements a SUMP protocol compatible with the standard This Arduino sketch implements a SUMP protocol compatible with the standard
SUMP client as well as the alternative client from here: SUMP client as well as the alternative client from here:
http://www.lxtreme.nl/ols/ http://www.lxtreme.nl/ols/
The alternative client version is highly recommended. Download version
"ols-0.9.7" or newer for built-in device profiles.
This SUMP protocol compatible logic analyzer for the Arduino board supports This SUMP protocol compatible logic analyzer for the Arduino board supports
5 channels consisting of digital pins 8-12, which are the first 5 bits (0-4) 5 channels consisting of digital pins 8-12, which are the first 5 bits (0-4)
of PORTB. Arduino pin 13 / bit 5 is the Arduino LED, bits 6 & 7 are the of PORTB. Arduino pin 13 / bit 5 is the Arduino LED, bits 6 & 7 are the
crystal oscillator pins. crystal oscillator pins.
Uncomment CHAN5 below if you want to use the LED pin as an input and have Uncomment CHAN5 below if you want to use the LED pin as an input and have
6 channels. 6 channels.
On the Arduino Mega board 8 channels are supported and 7k of samples. On the Arduino Mega board 8 channels are supported and 7k of samples.
Pins 22-29 (Port A) are used by default, you can change the 'CHANPIN' below Pins 22-29 (Port A) are used by default.
if something else works better for you.
NOTE:
If you are using the original SUMP client, or using the alternative client
without the device profiles, then you will get a "device not found" error.
You must DISABLE the Arduino auto reset feature to use this logic analyzer
code. There are various methods to do this, some boards have a jumper,
others require you to cut a trace. You may also install a *precisely*
120 Ohm resistor between the reset & 5V piins. Make sure it is really
120 Ohm or you may damage your board. It is much easier to use the
alternative SUMP client referenced above.
The device profiles should be included with this code. Copy them to the
'plugins' directory of the client. The location varies depending on the
platform, but on the mac it is here by default:
/Applications/LogicSniffer.app/Contents/Resources/Java/plugins
To use this with the original or alternative SUMP clients, To use this with the original or alternative SUMP clients,
use these settings: use these settings:
Sampling rate: 1MHz (or lower) Sampling rate: 4MHz (or lower) (no 2MHz on ATmega168)
Channel Groups: 0 (zero) only Channel Groups: 0 (zero) only
Recording Size: Recording Size:
ATmega168: 532 (or lower) ATmega168: 532 (or lower)
@@ -51,8 +36,38 @@ below 1MHz. 1MHz works for a basic busy wait trigger that doesn't store
until after the trigger fires. until after the trigger fires.
Please try it out and report back. Please try it out and report back.
This master branch now supports Arduino 1.0 only. Older Notes
Checkout branch logic_analyzer_v0_5 for Arduino 22 support. ===========================================================================
NOTE: With v0.11 you can now sample at 4MHz & 2MHz rates in addition to the
previous 1MHz and lower rates. This is done via unrolled loops which
makes the source code huge and the binary takes much more of the flash.
v0.11 is just slightly to big for an ATmega168's flash. You can comment
out either captureInline2mhz() or captureInline4mhz() and it will fit.
[ The code automatically skips the 2MHz code now, this isn't needed. ]
Release: v0.09 June 22, 2013. NOTE: v0.09 switched the channels BACK to pins 8-13 for trigger reliability.
Please report any issues. Uncomment USE_PORTD for pins 2-7.
NOTE: The device profiles should be included with this code. Copy them to the
'plugins' directory of the client. The location varies depending on the
platform, but on the mac it is here by default:
/Applications/LogicSniffer.app/Contents/Resources/Java/plugins
[ These are included in ols-0.9.7 or newer so do not copy them. ]
NOTE: If you are using the original SUMP client, then you will get a
"device not found" error.
You must DISABLE the Arduino auto reset feature to use this logic analyzer
code. There are various methods to do this, some boards have a jumper,
others require you to cut a trace. You may also install a *precisely*
120 Ohm resistor between the reset & 5V piins. Make sure it is really
120 Ohm or you may damage your board. It is much easier to use the
alternative SUMP client referenced above.
[ This is not needed with ols-0.9.7 or newer. ]
[ DO NOT use this resistor unless absolutely necessary on old clients. ]
NOTE: This master branch now supports Arduino 1.0 only.
Checkout branch logic_analyzer_v0_5 for Arduino 22 support.
Release: v0.13 February 7, 2015.

View File

@@ -2,7 +2,7 @@
* *
* SUMP Protocol Implementation for Arduino boards. * SUMP Protocol Implementation for Arduino boards.
* *
* Copyright (c) 2011,2012,2013 Andrew Gillham * Copyright (c) 2011,2012,2013,2014,2015 Andrew Gillham
* All rights reserved. * All rights reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
@@ -29,17 +29,7 @@
*/ */
/* /*
* NOTE: This is an ALPHA of support for an Ethernet attached Logic Analyzer. * NOTE: v0.09 switched the channels BACK to pins 8-13 for trigger reliability.
* Tested with an Arduino Duemilanove and W5100 based Ethernet shield.
* It may work with other combinations, but I haven't tested it.
*
* USE: Configure the mac address (if you want) and the ip address (mandatory)
* for your network and upload it. In the OLS client select network
* instead of serial and use your ip address and port 1234.
* Click capture! You should get some data back from your Arduino.
*
*
* NOTE: v0.09 switches the channels BACK to pins 8-13 for trigger reliability.
* Please report any issues. Uncomment USE_PORTD for pins 2-7. * Please report any issues. Uncomment USE_PORTD for pins 2-7.
* *
* This Arduino sketch implements a SUMP protocol compatible with the standard * This Arduino sketch implements a SUMP protocol compatible with the standard
@@ -54,26 +44,10 @@
* Pins 22-29 (Port A) are used by default, you can change the 'CHANPIN' below * Pins 22-29 (Port A) are used by default, you can change the 'CHANPIN' below
* if something else works better for you. * if something else works better for you.
* *
* NOTE:
* If you are using the original SUMP client, or using the alternative client
* without the device profiles, then you will get a "device not found" error.
* You must DISABLE the Arduino auto reset feature to use this logic analyzer
* code. There are various methods to do this, some boards have a jumper,
* others require you to cut a trace. You may also install a *precisely*
* 120 Ohm resistor between the reset & 5V piins. Make sure it is really
* 120 Ohm or you may damage your board.
* It is much easier to use the alternative SUMP client from here:
* http://www.lxtreme.nl/ols/
*
* The device profiles should be included with this code. Copy them to the
* 'plugins' directory of the client. The location varies depending on the
* platform, but on the mac it is here by default:
* /Applications/LogicSniffer.app/Contents/Resources/Java/plugins
*
* To use this with the original or alternative SUMP clients, * To use this with the original or alternative SUMP clients,
* use these settings: * use these settings:
* *
* Sampling rate: 1MHz (or lower) * Sampling rate: 4MHz (or lower) (no 2MHz on ATmega168)
* Channel Groups: 0 (zero) only * Channel Groups: 0 (zero) only
* Recording Size: * Recording Size:
* ATmega168: 532 (or lower) * ATmega168: 532 (or lower)
@@ -88,12 +62,10 @@
* until after the trigger fires. * until after the trigger fires.
* Please try it out and report back. * Please try it out and report back.
* *
* Release: v0.09 June 22, 2013. * Release: v0.13 February 7, 2015.
* *
*/ */
#include <SPI.h>
#include <Ethernet.h>
/* /*
* Function prototypes so this can compile from the cli. * Function prototypes so this can compile from the cli.
* You'll need the 'arduino-core' package and to check the paths in the * You'll need the 'arduino-core' package and to check the paths in the
@@ -109,12 +81,14 @@ void blinkled(void);
void get_metadata(void); void get_metadata(void);
void debugprint(void); void debugprint(void);
void debugdump(void); void debugdump(void);
void prettydump(void);
/* /*
* Should we use PORTD or PORTB? (default is PORTB) * Should we use PORTD or PORTB? (default is PORTB)
* PORTD support with triggers seems to work but needs more testing. * PORTD support with triggers seems to work but needs more testing.
*/ */
#define USE_PORTD 1 //#define USE_PORTD 1
/* /*
* Arduino device profile: ols.profile-agla.cfg * Arduino device profile: ols.profile-agla.cfg
@@ -197,7 +171,7 @@ void debugdump(void);
#define DEBUG_ENABLE DDRD = DDRD | B10000000 #define DEBUG_ENABLE DDRD = DDRD | B10000000
#define DEBUG_ON PORTD = B10000000 #define DEBUG_ON PORTD = B10000000
#define DEBUG_OFF PORTD = B00000000 #define DEBUG_OFF PORTD = B00000000
#endif #endif /* USE_PORTD */
#define DEBUG #define DEBUG
#ifdef DEBUG #ifdef DEBUG
#define MAX_CAPTURE_SIZE DEBUG_CAPTURE_SIZE #define MAX_CAPTURE_SIZE DEBUG_CAPTURE_SIZE
@@ -229,30 +203,10 @@ unsigned int delayTime = 0;
unsigned long divider = 0; unsigned long divider = 0;
boolean rleEnabled = 0; boolean rleEnabled = 0;
/*
* Enter a MAC address and IP address for your Arduino.
*/
byte mac[] = {
0x40, 0x00, 0x01, 0x02, 0x03, 0x04 };
IPAddress ip(192,168,1,200);
// Initialize the Ethernet server library
// with the IP address and port you want to use
// (port 80 is default for HTTP):
EthernetServer server(1234);
EthernetClient client;
void setup() void setup()
{ {
Serial.begin(115200); Serial.begin(115200);
// start the Ethernet connection and the server:
Ethernet.begin(mac, ip);
server.begin();
Serial.print("server is at ");
Serial.println(Ethernet.localIP());
/* /*
* set debug pin (digital pin 8) to output right away so it settles. * set debug pin (digital pin 8) to output right away so it settles.
* this gets toggled during sampling as a way to measure * this gets toggled during sampling as a way to measure
@@ -262,199 +216,261 @@ void setup()
DEBUG_ENABLE; /* debug measurement pin */ DEBUG_ENABLE; /* debug measurement pin */
pinMode(CHAN0, INPUT); pinMode(CHAN0, INPUT);
digitalWrite(CHAN0, LOW);
pinMode(CHAN1, INPUT); pinMode(CHAN1, INPUT);
digitalWrite(CHAN1, LOW);
pinMode(CHAN2, INPUT); pinMode(CHAN2, INPUT);
digitalWrite(CHAN2, LOW);
pinMode(CHAN3, INPUT); pinMode(CHAN3, INPUT);
digitalWrite(CHAN3, LOW);
pinMode(CHAN4, INPUT); pinMode(CHAN4, INPUT);
digitalWrite(CHAN4, LOW);
#ifdef CHAN5 #ifdef CHAN5
pinMode(CHAN5, INPUT); pinMode(CHAN5, INPUT);
digitalWrite(CHAN5, LOW);
#endif #endif
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
pinMode(CHAN6, INPUT); pinMode(CHAN6, INPUT);
digitalWrite(CHAN6, LOW);
pinMode(CHAN7, INPUT); pinMode(CHAN7, INPUT);
digitalWrite(CHAN7, LOW);
#else #else
#ifndef CHAN5 #ifndef CHAN5
pinMode(ledPin, OUTPUT); pinMode(ledPin, OUTPUT);
#endif #endif
#endif /* Mega */ #endif /* Mega */
#if 0
/*
* This sets up timer2 at 100KHz to toggle a pin. This is useful
* for debugging as it gives an internally precise signal source.
* This doesn't work on the Arduino Mega. Use on the Uno or older.
* We're using the same clock source for the timer & our sampling.
*/
/* Set OC2A (digital pin 11) to output so we can toggle it. */
pinMode(11, OUTPUT);
/* reset timer to zero */
TCNT2 = 0;
TCCR2A = 0;
TCCR2B = 0;
OCR2A = 0;
/* Set CTC mode and toggle on compare. */
TCCR2A = _BV (COM2A0) | _BV (WGM21);
/* 79 = 100KHz, 15 = 500KHz, 7 = 1MHz */
OCR2A = 79;
TCCR2B = _BV (CS20);
#endif
} }
void loop() void loop()
{ {
int i; int i;
// listen for incoming clients if (Serial.available() > 0) {
client = server.available(); cmdByte = Serial.read();
if (client) { switch (cmdByte) {
Serial.println("new client"); case SUMP_RESET:
while (client.connected()) { /*
if (client.available()) { * We don't do anything here as some unsupported extended commands have
cmdByte = client.read(); * zero bytes and are mistaken as resets. This can trigger false resets
switch(cmdByte) { * so we don't erase the data or do anything for a reset.
case SUMP_RESET: */
/* break;
* We don't do anything here as some unsupported extended commands have case SUMP_QUERY:
* zero bytes and are mistaken as resets. This can trigger false resets /* return the expected bytes. */
* so we don't erase the data or do anything for a reset. Serial.write('1');
*/ Serial.write('A');
break; Serial.write('L');
case SUMP_QUERY: Serial.write('S');
/* return the expected bytes. */ break;
client.write('1'); case SUMP_ARM:
client.write('A'); /*
client.write('L'); * Zero out any previous samples before arming.
client.write('S'); * Done here instead via reset due to spurious resets.
break; */
case SUMP_ARM: for (i = 0 ; i < MAX_CAPTURE_SIZE; i++) {
/* logicdata[i] = 0;
* Zero out any previous samples before arming. }
* Done here instead via reset due to spurious resets. /*
*/ * depending on the sample rate we need to delay in microseconds
for (i = 0 ; i < MAX_CAPTURE_SIZE; i++) { * or milliseconds. We can't do the complex trigger at 1MHz
logicdata[i] = 0; * so in that case (delayTime == 1 and triggers enabled) use
} * captureMicro() instead of triggerMicro().
/* */
* depending on the sample rate we need to delay in microseconds
* or milliseconds. We can't do the complex trigger at 1MHz if (divider == 24) {
* so in that case (delayTime == 1 and triggers enabled) use /* 4.0MHz */
* captureMicro() instead of triggerMicro(). captureInline4mhz();
*/ }
if (useMicro) { else if (divider == 49) {
if (trigger && (delayTime != 1)) { /* 2.0MHz */
triggerMicro(); #if !defined(__AVR_ATmega168__)
} captureInline2mhz();
else {
captureMicro();
}
}
else {
captureMilli();
}
break;
case SUMP_TRIGGER_MASK:
/*
* the trigger mask byte has a '1' for each enabled trigger so
* we can just use it directly as our trigger mask.
*/
getCmd();
#ifdef USE_PORTD
trigger = cmdBytes[0] << 2;
#else
trigger = cmdBytes[0];
#endif #endif
break; }
case SUMP_TRIGGER_VALUES: else if (useMicro) {
/* if (trigger && (delayTime != 1)) {
* trigger_values can be used directly as the value of each bit triggerMicro();
* defines whether we're looking for it to be high or low. }
*/ else {
getCmd(); captureMicro();
}
}
else {
captureMilli();
}
break;
case SUMP_TRIGGER_MASK:
/*
* the trigger mask byte has a '1' for each enabled trigger so
* we can just use it directly as our trigger mask.
*/
getCmd();
#ifdef USE_PORTD #ifdef USE_PORTD
trigger_values = cmdBytes[0] << 2; trigger = cmdBytes[0] << 2;
#else #else
trigger_values = cmdBytes[0]; trigger = cmdBytes[0];
#endif #endif
break; break;
case SUMP_TRIGGER_CONFIG: case SUMP_TRIGGER_VALUES:
/* read the rest of the command bytes, but ignore them. */ /*
getCmd(); * trigger_values can be used directly as the value of each bit
break; * defines whether we're looking for it to be high or low.
case SUMP_SET_DIVIDER: */
/* getCmd();
* the shifting needs to be done on the 32bit unsigned long variable #ifdef USE_PORTD
* so that << 16 doesn't end up as zero. trigger_values = cmdBytes[0] << 2;
*/ #else
getCmd(); trigger_values = cmdBytes[0];
divider = cmdBytes[2]; #endif
divider = divider << 8; break;
divider += cmdBytes[1]; case SUMP_TRIGGER_CONFIG:
divider = divider << 8; /* read the rest of the command bytes, but ignore them. */
divider += cmdBytes[0]; getCmd();
setupDelay(); break;
break; case SUMP_SET_DIVIDER:
case SUMP_SET_READ_DELAY_COUNT: /*
/* * the shifting needs to be done on the 32bit unsigned long variable
* this just sets up how many samples there should be before * so that << 16 doesn't end up as zero.
* and after the trigger fires. The readCount is total samples */
* to return and delayCount number of samples after the trigger. getCmd();
* this sets the buffer splits like 0/100, 25/75, 50/50 divider = cmdBytes[2];
* for example if readCount == delayCount then we should divider = divider << 8;
* return all samples starting from the trigger point. divider += cmdBytes[1];
* if delayCount < readCount we return (readCount - delayCount) of divider = divider << 8;
* samples from before the trigger fired. divider += cmdBytes[0];
*/ setupDelay();
getCmd(); break;
readCount = 4 * (((cmdBytes[1] << 8) | cmdBytes[0]) + 1); case SUMP_SET_READ_DELAY_COUNT:
if (readCount > MAX_CAPTURE_SIZE) /*
readCount = MAX_CAPTURE_SIZE; * this just sets up how many samples there should be before
delayCount = 4 * (((cmdBytes[3] << 8) | cmdBytes[2]) + 1); * and after the trigger fires. The readCount is total samples
if (delayCount > MAX_CAPTURE_SIZE) * to return and delayCount number of samples after the trigger.
delayCount = MAX_CAPTURE_SIZE; * this sets the buffer splits like 0/100, 25/75, 50/50
break; * for example if readCount == delayCount then we should
case SUMP_SET_FLAGS: * return all samples starting from the trigger point.
/* read the rest of the command bytes and check if RLE is enabled. */ * if delayCount < readCount we return (readCount - delayCount) of
getCmd(); * samples from before the trigger fired.
rleEnabled = ((cmdBytes[1] & B1000000) != 0); */
break; getCmd();
case SUMP_GET_METADATA: readCount = 4 * (((cmdBytes[1] << 8) | cmdBytes[0]) + 1);
/* if (readCount > MAX_CAPTURE_SIZE)
* We return a description of our capabilities. readCount = MAX_CAPTURE_SIZE;
* Check the function's comments below. delayCount = 4 * (((cmdBytes[3] << 8) | cmdBytes[2]) + 1);
*/ if (delayCount > MAX_CAPTURE_SIZE)
get_metadata(); delayCount = MAX_CAPTURE_SIZE;
break; break;
case SUMP_SELF_TEST: case SUMP_SET_FLAGS:
/* ignored. */ /* read the rest of the command bytes and check if RLE is enabled. */
break; getCmd();
rleEnabled = ((cmdBytes[1] & B1000000) != 0);
break;
case SUMP_GET_METADATA:
/*
* We return a description of our capabilities.
* Check the function's comments below.
*/
get_metadata();
break;
case SUMP_SELF_TEST:
/* ignored. */
break;
#ifdef DEBUG #ifdef DEBUG
/* /*
* a couple of debug commands used during development. * a couple of debug commands used during development.
*/ */
case '0': case '?':
/* Serial.println("");
* This resets the debug buffer pointer, effectively clearing the Serial.println("0 = clear cmd buffer");
* previous commands out of the buffer. Clear the sample data as well. Serial.println("1 = print cmd buffer");
* Just send a '0' from the Arduino IDE's Serial Monitor. Serial.println("2 = print data buffer");
*/ Serial.println("3 = pretty print buffer");
savecount=0; Serial.println("4 = capture at 4MHz");
for (i = 0 ; i < MAX_CAPTURE_SIZE; i++) { Serial.println("5 = capture at 1MHz");
logicdata[i] = 0; Serial.println("6 = capture at 500KHz");
} break;
break; case '0':
case '1': /*
/* * This resets the debug buffer pointer, effectively clearing the
* This is used to see what commands were sent to the device. * previous commands out of the buffer. Clear the sample data as well.
* you can use the Arduino serial monitor and send a '1' and get * Just send a '0' from the Arduino IDE's Serial Monitor.
* a debug printout. useless except for development. */
*/ savecount = 0;
blinkled(); for (i = 0 ; i < MAX_CAPTURE_SIZE; i++) {
debugprint(); logicdata[i] = 0;
break; }
case '2': break;
/* case '1':
* This dumps the sample data to the serial port. Used for debugging. /*
*/ * This is used to see what commands were sent to the device.
debugdump(); * you can use the Arduino serial monitor and send a '1' and get
break; * a debug printout. useless except for development.
*/
blinkled();
debugprint();
break;
case '2':
/*
* This dumps the sample data to the serial port.
*/
debugdump();
break;
case '3':
/*
* Prints a visual representation of the data buffer.
*/
prettydump();
break;
case '4':
/*
* This runs a sample capture at 4MHz.
*/
captureInline4mhz();
Serial.println("");
Serial.println("4MHz capture done.");
break;
case '5':
/*
* This runs a sample capture at 1MHz.
* delayTime = 1ms for 1MHz sampling.
*/
delayTime = 1;
captureMicro();
Serial.println("");
Serial.println("1MHz capture done.");
break;
case '6':
/*
* This runs a sample capture at 500KHz.
* delayTime = 2ms for 500KHz.
*/
delayTime = 1;
captureMicro();
Serial.println("");
Serial.println("500KHz capture done.");
break;
#endif /* DEBUG */ #endif /* DEBUG */
default: default:
/* ignore any unrecognized bytes. */ /* ignore any unrecognized bytes. */
break; break;
} /* switch */ }
} /* if client.available() */ }
} /* while */
delay(1);
client.stop();
Serial.println("client disconnected?");
} /* if client */
} }
void blinkled() { void blinkled() {
@@ -473,10 +489,10 @@ void blinkled() {
*/ */
void getCmd() { void getCmd() {
delay(10); delay(10);
cmdBytes[0] = client.read(); cmdBytes[0] = Serial.read();
cmdBytes[1] = client.read(); cmdBytes[1] = Serial.read();
cmdBytes[2] = client.read(); cmdBytes[2] = Serial.read();
cmdBytes[3] = client.read(); cmdBytes[3] = Serial.read();
#ifdef DEBUG #ifdef DEBUG
if (savecount < 120 ) { if (savecount < 120 ) {
@@ -506,7 +522,7 @@ void getCmd() {
*/ */
void captureMicro() { void captureMicro() {
int i; unsigned int i;
/* /*
* basic trigger, wait until all trigger conditions are met on port. * basic trigger, wait until all trigger conditions are met on port.
@@ -531,6 +547,7 @@ void captureMicro() {
* Arduino digital pin 8 is being used here. * Arduino digital pin 8 is being used here.
*/ */
DEBUG_ENABLE; DEBUG_ENABLE;
#ifdef DEBUG
DEBUG_ON; DEBUG_ON;
delayMicroseconds(20); delayMicroseconds(20);
DEBUG_OFF; DEBUG_OFF;
@@ -539,6 +556,7 @@ void captureMicro() {
delayMicroseconds(20); delayMicroseconds(20);
DEBUG_OFF; DEBUG_OFF;
delayMicroseconds(20); delayMicroseconds(20);
#endif
if (delayTime == 1) { if (delayTime == 1) {
/* /*
@@ -552,7 +570,7 @@ void captureMicro() {
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t"); __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
} }
DEBUG_OFF; /* debug timing measurement */ DEBUG_OFF; /* debug timing measurement */
} }
else if (delayTime == 2) { else if (delayTime == 2) {
/* /*
* 500KHz sample rate = 2 uS delay, still pretty fast so we pad this * 500KHz sample rate = 2 uS delay, still pretty fast so we pad this
@@ -569,7 +587,7 @@ void captureMicro() {
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t"); __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
} }
DEBUG_OFF; /* debug timing measurement */ DEBUG_OFF; /* debug timing measurement */
} }
else { else {
/* /*
* not 1MHz or 500KHz; delayMicroseconds(delay - 1) works fine here * not 1MHz or 500KHz; delayMicroseconds(delay - 1) works fine here
@@ -595,9 +613,9 @@ void captureMicro() {
*/ */
for (i = 0 ; i < readCount; i++) { for (i = 0 ; i < readCount; i++) {
#ifdef USE_PORTD #ifdef USE_PORTD
client.write(logicdata[i] >> 2); Serial.write(logicdata[i] >> 2);
#else #else
client.write(logicdata[i]); Serial.write(logicdata[i]);
#endif #endif
} }
} }
@@ -620,9 +638,9 @@ void captureMicro() {
* this basic functionality. * this basic functionality.
*/ */
void captureMilli() { void captureMilli() {
int i = 0; unsigned int i = 0;
if(rleEnabled) { if (rleEnabled) {
/* /*
* very basic trigger, just like in captureMicros() above. * very basic trigger, just like in captureMicros() above.
*/ */
@@ -633,16 +651,16 @@ void captureMilli() {
byte lastSample = 0; byte lastSample = 0;
byte sampleCount = 0; byte sampleCount = 0;
while(i < readCount) { while (i < readCount) {
/* /*
* Implementation of the RLE unlimited protocol: timings might be off a little * Implementation of the RLE unlimited protocol: timings might be off a little
*/ */
if(lastSample == (CHANPIN & B01111111) && sampleCount < 127) { if (lastSample == (CHANPIN & B01111111) && sampleCount < 127) {
sampleCount++; sampleCount++;
delay(delayTime); delay(delayTime);
continue; continue;
} }
if(sampleCount != 0) { if (sampleCount != 0) {
logicdata[i] = B10000000 | sampleCount; logicdata[i] = B10000000 | sampleCount;
sampleCount = 0; sampleCount = 0;
i++; i++;
@@ -654,7 +672,7 @@ void captureMilli() {
i++; i++;
} }
} }
else { else {
/* /*
* very basic trigger, just like in captureMicros() above. * very basic trigger, just like in captureMicros() above.
@@ -670,9 +688,9 @@ void captureMilli() {
} }
for (i = 0 ; i < readCount; i++) { for (i = 0 ; i < readCount; i++) {
#ifdef USE_PORTD #ifdef USE_PORTD
client.write(logicdata[i] >> 2); Serial.write(logicdata[i] >> 2);
#else #else
client.write(logicdata[i]); Serial.write(logicdata[i]);
#endif #endif
} }
} }
@@ -683,10 +701,10 @@ void captureMilli() {
* This works ok at 500KHz and lower sample rates. We don't have enough time * This works ok at 500KHz and lower sample rates. We don't have enough time
* with a 16MHz clock to sample at 1MHz into the circular buffer. A 20MHz * with a 16MHz clock to sample at 1MHz into the circular buffer. A 20MHz
* clock might be ok but all of the timings would have to be redone. * clock might be ok but all of the timings would have to be redone.
* *
*/ */
void triggerMicro() { void triggerMicro() {
int i = 0; unsigned int i = 0;
logicIndex = 0; logicIndex = 0;
triggerIndex = 0; triggerIndex = 0;
@@ -706,6 +724,7 @@ void triggerMicro() {
* Arduino digital pin 8 is being used here. * Arduino digital pin 8 is being used here.
*/ */
DEBUG_ENABLE; DEBUG_ENABLE;
#ifdef DEBUG
DEBUG_ON; DEBUG_ON;
delayMicroseconds(20); delayMicroseconds(20);
DEBUG_OFF; DEBUG_OFF;
@@ -714,6 +733,7 @@ void triggerMicro() {
delayMicroseconds(20); delayMicroseconds(20);
DEBUG_OFF; DEBUG_OFF;
delayMicroseconds(20); delayMicroseconds(20);
#endif
if (delayTime == 1) { if (delayTime == 1) {
/* /*
@@ -728,7 +748,7 @@ void triggerMicro() {
* click stop. * click stop.
*/ */
return; return;
} }
else if (delayTime == 2) { else if (delayTime == 2) {
/* /*
* 500KHz case. We should be able to manage this in time. * 500KHz case. We should be able to manage this in time.
@@ -757,7 +777,7 @@ void triggerMicro() {
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t"); __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
DEBUG_OFF; /* debug timing measurement */ DEBUG_OFF; /* debug timing measurement */
/* /*
* One sample size delay. ends up being 2 uS combined with assignment * One sample size delay. ends up being 2 uS combined with assignment
* below. This padding is so we have a consistent timing interval * below. This padding is so we have a consistent timing interval
* between the trigger point and the subsequent samples. * between the trigger point and the subsequent samples.
@@ -787,7 +807,7 @@ void triggerMicro() {
} }
DEBUG_OFF; /* debug timing measurement */ DEBUG_OFF; /* debug timing measurement */
delayMicroseconds(100); delayMicroseconds(100);
} }
else { else {
/* /*
* Less than 500KHz case. This uses delayMicroseconds() and some padding * Less than 500KHz case. This uses delayMicroseconds() and some padding
@@ -862,9 +882,9 @@ void triggerMicro() {
logicIndex = 0; logicIndex = 0;
} }
#ifdef USE_PORTD #ifdef USE_PORTD
client.write(logicdata[logicIndex++] >> 2); Serial.write(logicdata[logicIndex++] >> 2);
#else #else
client.write(logicdata[logicIndex++]); Serial.write(logicdata[logicIndex++]);
#endif #endif
} }
} }
@@ -887,7 +907,7 @@ void setupDelay() {
if (divider >= 1500000) { if (divider >= 1500000) {
useMicro = 0; useMicro = 0;
delayTime = (divider + 1) / 100000; delayTime = (divider + 1) / 100000;
} }
else { else {
useMicro = 1; useMicro = 1;
delayTime = (divider + 1) / 100; delayTime = (divider + 1) / 100;
@@ -901,73 +921,73 @@ void setupDelay() {
*/ */
void get_metadata() { void get_metadata() {
/* device name */ /* device name */
client.write((uint8_t)0x01); Serial.write((uint8_t)0x01);
client.write('A'); Serial.write('A');
client.write('G'); Serial.write('G');
client.write('L'); Serial.write('L');
client.write('A'); Serial.write('A');
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
client.write('M'); Serial.write('M');
#endif /* Mega */ #endif /* Mega */
client.write('v'); Serial.write('v');
client.write('0'); Serial.write('0');
client.write((uint8_t)0x00); Serial.write((uint8_t)0x00);
/* firmware version */ /* firmware version */
client.write((uint8_t)0x02); Serial.write((uint8_t)0x02);
client.write('0'); Serial.write('0');
client.write('.'); Serial.write('.');
client.write('0'); Serial.write('1');
client.write('9'); Serial.write('3');
client.write((uint8_t)0x00); Serial.write((uint8_t)0x00);
/* sample memory */ /* sample memory */
client.write((uint8_t)0x21); Serial.write((uint8_t)0x21);
client.write((uint8_t)0x00); Serial.write((uint8_t)0x00);
client.write((uint8_t)0x00); Serial.write((uint8_t)0x00);
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
/* 7168 bytes */ /* 7168 bytes */
client.write((uint8_t)0x1C); Serial.write((uint8_t)0x1C);
client.write((uint8_t)0x00); Serial.write((uint8_t)0x00);
#elif defined(__AVR_ATmega328P__) #elif defined(__AVR_ATmega328P__)
/* 1024 bytes */ /* 1024 bytes */
client.write((uint8_t)0x04); Serial.write((uint8_t)0x04);
client.write((uint8_t)0x00); Serial.write((uint8_t)0x00);
#else #else
/* 532 bytes */ /* 532 bytes */
client.write((uint8_t)0x02); Serial.write((uint8_t)0x02);
client.write((uint8_t)0x14); Serial.write((uint8_t)0x14);
#endif /* Mega */ #endif /* Mega */
/* sample rate (1MHz) */ /* sample rate (4MHz) */
client.write((uint8_t)0x23); Serial.write((uint8_t)0x23);
client.write((uint8_t)0x00); Serial.write((uint8_t)0x00);
client.write((uint8_t)0x0F); Serial.write((uint8_t)0x3D);
client.write((uint8_t)0x42); Serial.write((uint8_t)0x09);
client.write((uint8_t)0x40); Serial.write((uint8_t)0x00);
/* number of probes (6 by default on Arduino, 8 on Mega) */ /* number of probes (6 by default on Arduino, 8 on Mega) */
client.write((uint8_t)0x40); Serial.write((uint8_t)0x40);
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
client.write((uint8_t)0x08); Serial.write((uint8_t)0x08);
#else #else
#ifdef CHAN5 #ifdef CHAN5
client.write((uint8_t)0x06); Serial.write((uint8_t)0x06);
#else #else
client.write((uint8_t)0x05); Serial.write((uint8_t)0x05);
#endif /* CHAN5 */ #endif /* CHAN5 */
#endif /* Mega */ #endif /* Mega */
/* protocol version (2) */ /* protocol version (2) */
client.write((uint8_t)0x41); Serial.write((uint8_t)0x41);
client.write((uint8_t)0x02); Serial.write((uint8_t)0x02);
/* end of data */ /* end of data */
client.write((uint8_t)0x00); Serial.write((uint8_t)0x00);
} }
/* /*
* This is used by the '0' debug command to dump the contents of some * This is used by the '1' debug command to dump the contents of some
* interesting variables and the debug buffer. * interesting variables and the debug buffer.
* *
*/ */
@@ -976,36 +996,36 @@ void debugprint() {
int i; int i;
#if 0 #if 0
client.print("divider = "); Serial.print("divider = ");
client.println(divider, DEC); Serial.println(divider, DEC);
client.print("delayTime = "); Serial.print("delayTime = ");
client.println(delayTime, DEC); Serial.println(delayTime, DEC);
client.print("trigger_values = "); Serial.print("trigger_values = ");
client.println(trigger_values, BIN); Serial.println(trigger_values, BIN);
#endif #endif
client.print("readCount = "); Serial.print("readCount = ");
client.println(readCount, DEC); Serial.println(readCount, DEC);
client.print("delayCount = "); Serial.print("delayCount = ");
client.println(delayCount, DEC); Serial.println(delayCount, DEC);
client.print("logicIndex = "); Serial.print("logicIndex = ");
client.println(logicIndex, DEC); Serial.println(logicIndex, DEC);
client.print("triggerIndex = "); Serial.print("triggerIndex = ");
client.println(triggerIndex, DEC); Serial.println(triggerIndex, DEC);
client.print("rleEnabled = "); Serial.print("rleEnabled = ");
client.println(rleEnabled, DEC); Serial.println(rleEnabled, DEC);
client.println("Bytes:"); Serial.println("Bytes:");
for (i = 0 ; i < savecount; i++) { for (i = 0 ; i < savecount; i++) {
if (savebytes[i] == 0x20) { if (savebytes[i] == 0x20) {
client.println(); Serial.println();
} }
else { else {
client.print(savebytes[i], HEX); Serial.print(savebytes[i], HEX);
client.write(' '); Serial.write(' ');
} }
} }
client.println("done..."); Serial.println("done...");
} }
/* /*
@@ -1016,22 +1036,51 @@ void debugdump() {
int i; int i;
int j = 1; int j = 1;
client.print("\r\n"); Serial.print("\r\n");
for (i = 0 ; i < MAX_CAPTURE_SIZE; i++) { for (i = 0 ; i < MAX_CAPTURE_SIZE; i++) {
#ifdef USE_PORTD #ifdef USE_PORTD
client.print(logicdata[i] >> 2, HEX); Serial.print(logicdata[i] >> 2, HEX);
#else #else
client.print(logicdata[i], HEX); Serial.print(logicdata[i], HEX);
#endif #endif
client.print(" "); Serial.print(" ");
if (j == 32) { if (j == 32) {
client.print("\r\n"); Serial.print("\r\n");
j = 0; j = 0;
} }
j++; j++;
} }
} }
/*
* This is used by the '3' debugs command to dump the first 64 bytes
* of the sample buffer.
* It prints the data in a graphical representation.
*/
void prettydump() {
int i;
byte j;
byte k;
Serial.print("\r\n");
for (i = 0 ; i < 64; i++) {
#ifdef USE_PORTD
k = logicdata[i] >> 2;
#else
k = logicdata[i];
#endif
for (j = 0; j < 8; j++) {
if (k & 0x01)
Serial.print("| ");
else
Serial.print(" |");
k = k >> 1;
}
Serial.print("\r\n");
}
}
#endif /* DEBUG */ #endif /* DEBUG */
@@ -1041,3 +1090,7 @@ void debugdump() {

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logic_analyzer_inline_2mhz.ino Normal file

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View File

@@ -11,7 +11,7 @@ device.clockspeed = 16000000
# Whether or not double-data-rate is supported by the device (also known as the "demux"-mode). # Whether or not double-data-rate is supported by the device (also known as the "demux"-mode).
device.supports_ddr = false device.supports_ddr = false
# Supported sample rates in Hertz, separated by comma's # Supported sample rates in Hertz, separated by comma's
device.samplerates = 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 200000, 500000, 1000000 device.samplerates = 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 200000, 500000, 1000000, 2000000, 4000000
# What capture clocks are supported # What capture clocks are supported
device.captureclock = INTERNAL device.captureclock = INTERNAL
# The supported capture sizes, in bytes # The supported capture sizes, in bytes
@@ -39,7 +39,7 @@ device.capturesize.bound = false
device.channel.numberingschemes = DEFAULT device.channel.numberingschemes = DEFAULT
# Is a delay after opening the port and device detection needed? (0 = no delay, >0 = delay in milliseconds) # Is a delay after opening the port and device detection needed? (0 = no delay, >0 = delay in milliseconds)
device.open.portdelay = 1500 device.open.portdelay = 2000
# The receive timeout for the device (in milliseconds, 100 = default, <=0 = no timeout) # The receive timeout for the device (in milliseconds, 100 = default, <=0 = no timeout)
device.receive.timeout = 100 device.receive.timeout = 100
# Does the device need a high or low DTR-line to operate correctly? (high = true, low = false) # Does the device need a high or low DTR-line to operate correctly? (high = true, low = false)

View File

@@ -11,7 +11,7 @@ device.clockspeed = 16000000
# Whether or not double-data-rate is supported by the device (also known as the "demux"-mode). # Whether or not double-data-rate is supported by the device (also known as the "demux"-mode).
device.supports_ddr = false device.supports_ddr = false
# Supported sample rates in Hertz, separated by comma's # Supported sample rates in Hertz, separated by comma's
device.samplerates = 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 200000, 500000, 1000000 device.samplerates = 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 200000, 500000, 1000000, 2000000, 4000000
# What capture clocks are supported # What capture clocks are supported
device.captureclock = INTERNAL device.captureclock = INTERNAL
# The supported capture sizes, in bytes # The supported capture sizes, in bytes