1 Commits

Author SHA1 Message Date
Andrew Gillham
d31d662ede Add device profile for Arduino logic analyzer
Use this device profile with the alternative SUMP client.  It goes in
the plugins directory with the other similarly named files.
2011-08-03 19:43:09 -07:00
4 changed files with 93 additions and 356 deletions

24
README
View File

@@ -12,34 +12,19 @@ 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.
Pins 22-29 (Port A) are used by default, you can change the 'CHANPIN' below
if something else works better for you.
NOTE: 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 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, 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* 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 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 120 Ohm or you may damage your board.
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: 1MHz (or lower)
Channel Groups: 0 (zero) only Channel Groups: 0 (zero) only
Recording Size: Recording Size: 1024 (or lower)
ATmega168: 532 (or lower)
ATmega328: 1024 (or lower)
ATmega2560: 7168 (or lower)
Noise Filter: doesn't matter Noise Filter: doesn't matter
RLE: disabled (unchecked) RLE: disabled (unchecked)
@@ -48,8 +33,5 @@ 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. Release: v0.03 March 7, 2011.
Checkout branch logic_analyzer_v0_5 for Arduino 22 support.
Release: v0.06 November 4, 2011.

View File

@@ -25,15 +25,11 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* *
* $Id: logic_analyzer.pde,v 1.17 2011-08-04 02:31:01 gillham Exp $ * $Id: logic_analyzer.pde,v 1.14 2011-03-08 07:14:42 gillham Exp $
* *
*/ */
/* /*
* This Arduino sketch implements a SUMP protocol compatible with the standard
* SUMP client as well as the alternative client from here:
* http://www.lxtreme.nl/ols/
*
* 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
@@ -41,35 +37,19 @@
* 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.
* Pins 22-29 (Port A) are used by default, you can change the 'CHANPIN' below
* if something else works better for you.
*
* NOTE: * 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 * 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, * 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* * 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 resistor between the reset & 5V piins. Make sure it is really
* 120 Ohm or you may damage your board. * 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: 1MHz (or lower)
* Channel Groups: 0 (zero) only * Channel Groups: 0 (zero) only
* Recording Size: * Recording Size: 1024 (or lower)
* ATmega168: 532 (or lower)
* ATmega328: 1024 (or lower)
* ATmega2560: 7168 (or lower)
* Noise Filter: doesn't matter * Noise Filter: doesn't matter
* RLE: disabled (unchecked) * RLE: disabled (unchecked)
* *
@@ -78,7 +58,7 @@
* 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: v0.06 November 4, 2011. * Release: v0.02 February 28, 2011.
* *
*/ */
@@ -99,42 +79,15 @@ void debugprint(void);
void debugdump(void); void debugdump(void);
/* /*
* Uncomment CHAN5 to use it as an additional input on a normal Arduino. * Uncomment CHAN5 to use it as an additional input.
* You'll need to change the number of channels in the device profile as well. * You'll need to change the number of channels in the device profile as well.
*
* Uncomment MEGARAM if you have an Arduino Mega with an external SRAM board with
* at least 64KB on it.
*
* Arduino device profile: ols.profile-agla.cfg
* Arduino Mega device profile: ols.profile-aglam.cfg
* Arduino Mega RAM device profile: ols.profile-aglamr.cfg
*/ */
#define MEGARAM 1
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
#define DEBUGPORT PORTH
#define DEBUGDDR DDRH
#define CHANPIN PINF
#define CHAN0 A0
#define CHAN1 A1
#define CHAN2 A2
#define CHAN3 A3
#define CHAN4 A4
#define CHAN5 A5
#define CHAN6 A6
#define CHAN7 A7
#else
#define DEBUGPORT PORTD
#define DEBUGDDR DDRD
#define CHANPIN PINB
#define CHAN0 8 #define CHAN0 8
#define CHAN1 9 #define CHAN1 9
#define CHAN2 10 #define CHAN2 10
#define CHAN3 11 #define CHAN3 11
#define CHAN4 12 #define CHAN4 12
//#define CHAN5 13 //#define CHAN5 13
#endif
#define ledPin 13 #define ledPin 13
/* XON/XOFF are not supported. */ /* XON/XOFF are not supported. */
@@ -158,35 +111,15 @@ void debugdump(void);
#define SUMP_SELF_TEST 0x03 #define SUMP_SELF_TEST 0x03
#define SUMP_GET_METADATA 0x04 #define SUMP_GET_METADATA 0x04
/* /*
* Default capture buffer sizes. Lower values should work, but the metadata and/or * Capture size of 1024 bytes works on the ATmega328.
* device profiles will need to be adjusted to match. *
* ATmega168: 532
* ATmega328: 1024 (1KB)
* ATmega2560: 7168 (7KB)
* ATmega2560+external SRAM: 56320 (55KB)
*/ */
#if defined(MEGARAM)
#define DEBUG_CAPTURE_SIZE 56320
#define CAPTURE_SIZE 56320
#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
#define DEBUG_CAPTURE_SIZE 7168
#define CAPTURE_SIZE 7168
#elif defined(__AVR_ATmega328P__)
#define DEBUG_CAPTURE_SIZE 1024
#define CAPTURE_SIZE 1024
#else
#define DEBUG_CAPTURE_SIZE 532
#define CAPTURE_SIZE 532
#endif
#define DEBUG #define DEBUG
#ifdef DEBUG #ifdef DEBUG
#define MAX_CAPTURE_SIZE DEBUG_CAPTURE_SIZE #define MAX_CAPTURE_SIZE 1024
#else #else
#define MAX_CAPTURE_SIZE CAPTURE_SIZE #define MAX_CAPTURE_SIZE 1024
#endif /* DEBUG */ #endif /* DEBUG */
/* /*
@@ -201,20 +134,7 @@ byte savebytes[128];
int savecount = 0; int savecount = 0;
#endif /* DEBUG */ #endif /* DEBUG */
/*
* External SRAM adds 56,320 (55kb) directly addressable bytes starting at 0x2200.
* We access it via a hard coded pointer instead of a directly allocated array like
* on other Arduinos.
*
* We only use bank 0 as our capture routines can't spare the cycles to switch banks.
*
*/
#ifdef MEGARAM
byte *logicdata = (byte *) 0x2200U;
#else
byte logicdata[MAX_CAPTURE_SIZE]; byte logicdata[MAX_CAPTURE_SIZE];
#endif
unsigned int logicIndex = 0; unsigned int logicIndex = 0;
unsigned int triggerIndex = 0; unsigned int triggerIndex = 0;
unsigned int readCount = MAX_CAPTURE_SIZE; unsigned int readCount = MAX_CAPTURE_SIZE;
@@ -227,17 +147,6 @@ unsigned long divider = 0;
void setup() void setup()
{ {
#ifdef MEGARAM
XMCRA = _BV(SRE); // Enable external memory interface
pinMode(38, OUTPUT); digitalWrite(38, LOW); // Enable RAM device
pinMode(42, OUTPUT); // Make the bank selection bits output pins
pinMode(43, OUTPUT); // Make the bank selection bits output pins
pinMode(44, OUTPUT); // Make the bank selection bits output pins
digitalWrite(42, LOW); // Select bank 0 (see below for discussion)
digitalWrite(43, LOW); // Select bank 0 (see below for discussion)
digitalWrite(44, LOW); // Select bank 0 (see below for discussion)
#endif // MEGARAM
Serial.begin(115200); Serial.begin(115200);
/* /*
@@ -246,30 +155,23 @@ void setup()
* the sample time. this is used during development to * the sample time. this is used during development to
* properly pad out the sampling routines. * properly pad out the sampling routines.
*/ */
DEBUGDDR = DEBUGDDR | B10000000; /* debug measurement pin */ DDRD = DDRD | B10000000; /* debug measurement pin */
pinMode(CHAN0, INPUT); pinMode(CHAN0, INPUT);
pinMode(CHAN1, INPUT); pinMode(CHAN1, INPUT);
pinMode(CHAN2, INPUT); pinMode(CHAN2, INPUT);
pinMode(CHAN3, INPUT); pinMode(CHAN3, INPUT);
pinMode(CHAN4, INPUT); pinMode(CHAN4, INPUT);
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
pinMode(CHAN5, INPUT);
pinMode(CHAN6, INPUT);
pinMode(CHAN7, INPUT);
pinMode(ledPin, OUTPUT);
#else
#ifdef CHAN5 #ifdef CHAN5
pinMode(CHAN5, INPUT); pinMode(CHAN5, INPUT);
#else #else
pinMode(ledPin, OUTPUT); pinMode(ledPin, OUTPUT);
#endif /* CHAN5 */ #endif /* CHAN5 */
#endif /* Mega */
} }
void loop() void loop()
{ {
unsigned int i; int i;
if (Serial.available() > 0) { if (Serial.available() > 0) {
cmdByte = Serial.read(); cmdByte = Serial.read();
@@ -283,10 +185,10 @@ void loop()
break; break;
case SUMP_QUERY: case SUMP_QUERY:
/* return the expected bytes. */ /* return the expected bytes. */
Serial.write('1'); Serial.print('1', BYTE);
Serial.write('A'); Serial.print('A', BYTE);
Serial.write('L'); Serial.print('L', BYTE);
Serial.write('S'); Serial.print('S', BYTE);
break; break;
case SUMP_ARM: case SUMP_ARM:
/* /*
@@ -412,12 +314,6 @@ void loop()
*/ */
debugdump(); debugdump();
break; break;
case '3':
/*
* This samples the channel pin and writes to the serial port. Used for debugging.
*/
Serial.print(CHANPIN, HEX);
break;
#endif /* DEBUG */ #endif /* DEBUG */
default: default:
/* ignore any unrecognized bytes. */ /* ignore any unrecognized bytes. */
@@ -426,12 +322,14 @@ void loop()
} }
} }
#ifndef CHAN5
void blinkled() { void blinkled() {
digitalWrite(ledPin, HIGH); digitalWrite(ledPin, HIGH);
delay(200); delay(200);
digitalWrite(ledPin, LOW); digitalWrite(ledPin, LOW);
delay(200); delay(200);
} }
#endif /* !CHAN5 */
/* /*
* Extended SUMP commands are 5 bytes. A command byte followed by 4 bytes * Extended SUMP commands are 5 bytes. A command byte followed by 4 bytes
@@ -475,14 +373,14 @@ void getCmd() {
*/ */
void captureMicro() { void captureMicro() {
unsigned int i; int i;
/* /*
* basic trigger, wait until all trigger conditions are met on port B. * basic trigger, wait until all trigger conditions are met on port B.
* this needs further testing, but basic tests work as expected. * this needs further testing, but basic tests work as expected.
*/ */
if (trigger) { if (trigger) {
while ((trigger_values ^ CHANPIN) & trigger); while ((trigger_values ^ PINB) & trigger);
} }
/* /*
@@ -499,14 +397,14 @@ void captureMicro() {
* any timing unexpectedly. * any timing unexpectedly.
* Arduino pin 7 is being used here. * Arduino pin 7 is being used here.
*/ */
DEBUGDDR = DEBUGDDR | B10000000; DDRD = DDRD | B10000000;
DEBUGPORT = B10000000; PORTD = B10000000;
delayMicroseconds(20); delayMicroseconds(20);
DEBUGPORT = B00000000; PORTD = B00000000;
delayMicroseconds(20); delayMicroseconds(20);
DEBUGPORT = B10000000; PORTD = B10000000;
delayMicroseconds(20); delayMicroseconds(20);
DEBUGPORT = B00000000; PORTD = B00000000;
delayMicroseconds(20); delayMicroseconds(20);
if (delayTime == 1) { if (delayTime == 1) {
@@ -514,34 +412,30 @@ void captureMicro() {
* 1MHz sample rate = 1 uS delay so we can't use delayMicroseconds * 1MHz sample rate = 1 uS delay so we can't use delayMicroseconds
* since our loop takes some time. The delay is padded out by hand. * since our loop takes some time. The delay is padded out by hand.
*/ */
DEBUGPORT = B10000000; /* debug timing measurement */ PORTD = B10000000; /* debug timing measurement */
for (i = 0 ; i < readCount; i++) { for (i = 0 ; i < readCount; i++) {
logicdata[i] = CHANPIN; logicdata[i] = PINB;
#ifndef MEGARAM
__asm__("nop\n\t""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""nop\n\t");
__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");
#endif /* MEGARAM */
} }
DEBUGPORT = B00000000; /* debug timing measurement */ PORTD = B00000000; /* 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
* one by hand too. * one by hand too.
*/ */
DEBUGPORT = B10000000; /* debug timing measurement */ PORTD = B10000000; /* debug timing measurement */
for (i = 0 ; i < readCount; i++) { for (i = 0 ; i < readCount; i++) {
logicdata[i] = CHANPIN; logicdata[i] = PINB;
#ifndef MEGARAM
__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");
__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");
__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");
#endif /* MEGARAM */
__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");
__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");
__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");
} }
DEBUGPORT = B00000000; /* debug timing measurement */ PORTD = B00000000; /* debug timing measurement */
} }
else { else {
/* /*
@@ -550,15 +444,13 @@ void captureMicro() {
* a better logic analyzer) * a better logic analyzer)
* start of real measurement * start of real measurement
*/ */
DEBUGPORT = B10000000; /* debug timing measurement */ PORTD = B10000000; /* debug timing measurement */
for (i = 0 ; i < readCount; i++) { for (i = 0 ; i < readCount; i++) {
logicdata[i] = CHANPIN; logicdata[i] = PINB;
delayMicroseconds(delayTime - 1); delayMicroseconds(delayTime - 1);
#ifndef MEGARAM
__asm__("nop\n\t""nop\n\t"); __asm__("nop\n\t""nop\n\t");
#endif /* MEGARAM */
} }
DEBUGPORT = B00000000; /* debug timing measurement */ PORTD = B00000000; /* debug timing measurement */
} }
/* re-enable interrupts now that we're done sampling. */ /* re-enable interrupts now that we're done sampling. */
@@ -569,7 +461,7 @@ void captureMicro() {
* is done for any triggers, this is effectively the 0/100 buffer split. * is done for any triggers, this is effectively the 0/100 buffer split.
*/ */
for (i = 0 ; i < readCount; i++) { for (i = 0 ; i < readCount; i++) {
Serial.write(logicdata[i]); Serial.print(logicdata[i], BYTE);
} }
} }
@@ -591,21 +483,21 @@ void captureMicro() {
* this basic functionality. * this basic functionality.
*/ */
void captureMilli() { void captureMilli() {
unsigned int i; int i;
/* /*
* very basic trigger, just like in captureMicros() above. * very basic trigger, just like in captureMicros() above.
*/ */
if (trigger) { if (trigger) {
while ((trigger_values ^ CHANPIN) & trigger); while ((trigger_values ^ PINB) & trigger);
} }
for (i = 0 ; i < readCount; i++) { for (i = 0 ; i < readCount; i++) {
logicdata[i] = CHANPIN; logicdata[i] = PINB;
delay(delayTime); delay(delayTime);
} }
for (i = 0 ; i < readCount; i++) { for (i = 0 ; i < readCount; i++) {
Serial.write(logicdata[i]); Serial.print(logicdata[i], BYTE);
} }
} }
@@ -618,7 +510,7 @@ void captureMilli() {
* *
*/ */
void triggerMicro() { void triggerMicro() {
unsigned int i = 0; int i = 0;
logicIndex = 0; logicIndex = 0;
triggerIndex = 0; triggerIndex = 0;
@@ -637,14 +529,14 @@ void triggerMicro() {
* any timing unexpectedly. * any timing unexpectedly.
* Arduino pin 7 is being used here. * Arduino pin 7 is being used here.
*/ */
DEBUGDDR = DEBUGDDR | B10000000; DDRD = DDRD | B10000000;
DEBUGPORT = B10000000; PORTD = B10000000;
delayMicroseconds(20); delayMicroseconds(20);
DEBUGPORT = B00000000; PORTD = B00000000;
delayMicroseconds(20); delayMicroseconds(20);
DEBUGPORT = B10000000; PORTD = B10000000;
delayMicroseconds(20); delayMicroseconds(20);
DEBUGPORT = B00000000; PORTD = B00000000;
delayMicroseconds(20); delayMicroseconds(20);
if (delayTime == 1) { if (delayTime == 1) {
@@ -665,13 +557,13 @@ void triggerMicro() {
/* /*
* 500KHz case. We should be able to manage this in time. * 500KHz case. We should be able to manage this in time.
* *
* busy loop reading CHANPIN until we trigger. * busy loop reading PINB until we trigger.
* we always start capturing at the start of the buffer * we always start capturing at the start of the buffer
* and use it as a circular buffer * and use it as a circular buffer
*/ */
DEBUGPORT = B10000000; /* debug timing measurement */ PORTD = B10000000; /* debug timing measurement */
while ((trigger_values ^ (logicdata[logicIndex] = CHANPIN)) & trigger) { while ((trigger_values ^ (logicdata[logicIndex] = PINB)) & trigger) {
/* DEBUGPORT = B00000000; */ /* PORTD = B00000000; */
/* increment index. */ /* increment index. */
logicIndex++; logicIndex++;
if (logicIndex >= readCount) { if (logicIndex >= readCount) {
@@ -682,16 +574,12 @@ void triggerMicro() {
* without pin toggles, will try 1 nop. * without pin toggles, will try 1 nop.
* __asm__("nop\n\t""nop\n\t""nop\n\t"); * __asm__("nop\n\t""nop\n\t""nop\n\t");
*/ */
#ifndef MEGARAM
__asm__("nop\n\t"); __asm__("nop\n\t");
#endif /* MEGARAM */ /* PORTD = B10000000; */
/* DEBUGPORT = B10000000; */
} }
/* this pads the immediate trigger case to 2.0 uS, just as an example. */ /* this pads the immediate trigger case to 2.0 uS, just as an example. */
#ifndef MEGARAM
__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");
#endif /* MEGARAM */ PORTD = B00000000; /* debug timing measurement */
DEBUGPORT = B00000000; /* 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
@@ -699,16 +587,14 @@ void triggerMicro() {
* between the trigger point and the subsequent samples. * between the trigger point and the subsequent samples.
*/ */
delayMicroseconds(1); delayMicroseconds(1);
#ifndef MEGARAM
__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");
__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");
#endif /* MEGARAM */
/* 'logicIndex' now points to trigger sample, keep track of it */ /* 'logicIndex' now points to trigger sample, keep track of it */
triggerIndex = logicIndex; triggerIndex = logicIndex;
/* keep sampling for delayCount after trigger */ /* keep sampling for delayCount after trigger */
DEBUGPORT = B10000000; /* debug timing measurement */ PORTD = B10000000; /* debug timing measurement */
/* /*
* this is currently taking: * this is currently taking:
* 1025.5 uS for 512 samples. (512 samples, 0/100 split) * 1025.5 uS for 512 samples. (512 samples, 0/100 split)
@@ -718,14 +604,12 @@ void triggerMicro() {
if (logicIndex >= readCount) { if (logicIndex >= readCount) {
logicIndex = 0; logicIndex = 0;
} }
logicdata[logicIndex++] = CHANPIN; logicdata[logicIndex++] = PINB;
#ifndef MEGARAM
__asm__("nop\n\t""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""nop\n\t");
__asm__("nop\n\t""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""nop\n\t");
__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");
#endif /* MEGARAM */
} }
DEBUGPORT = B00000000; /* debug timing measurement */ PORTD = B00000000; /* debug timing measurement */
delayMicroseconds(100); delayMicroseconds(100);
} }
else { else {
@@ -733,22 +617,22 @@ void triggerMicro() {
* Less than 500KHz case. This uses delayMicroseconds() and some padding * Less than 500KHz case. This uses delayMicroseconds() and some padding
* to get precise timing, at least for the after trigger samples. * to get precise timing, at least for the after trigger samples.
* *
* busy loop reading CHANPIN until we trigger. * busy loop reading PINB until we trigger.
* we always start capturing at the start of the buffer * we always start capturing at the start of the buffer
* and use it as a circular buffer * and use it as a circular buffer
* *
*/ */
DEBUGPORT = B10000000; /* debug timing measurement */ PORTD = B10000000; /* debug timing measurement */
while ((trigger_values ^ (logicdata[logicIndex] = CHANPIN)) & trigger) { while ((trigger_values ^ (logicdata[logicIndex] = PINB)) & trigger) {
/* DEBUGPORT = B00000000; */ /* PORTD = B00000000; */
/* increment index. */ /* increment index. */
logicIndex++; logicIndex++;
if (logicIndex >= readCount) { if (logicIndex >= readCount) {
logicIndex = 0; logicIndex = 0;
} }
/* DEBUGPORT = B10000000; */ /* PORTD = B10000000; */
} }
DEBUGPORT = B00000000; /* debug timing measurement */ PORTD = B00000000; /* debug timing measurement */
/* 'logicIndex' now points to trigger sample, keep track of it */ /* 'logicIndex' now points to trigger sample, keep track of it */
triggerIndex = logicIndex; triggerIndex = logicIndex;
@@ -760,20 +644,18 @@ void triggerMicro() {
delayMicroseconds(delayTime); delayMicroseconds(delayTime);
/* keep sampling for delayCount after trigger */ /* keep sampling for delayCount after trigger */
DEBUGPORT = B10000000; /* debug timing measurement */ PORTD = B10000000; /* debug timing measurement */
for (i = 0 ; i < delayCount; i++) { for (i = 0 ; i < delayCount; i++) {
if (logicIndex >= readCount) { if (logicIndex >= readCount) {
logicIndex = 0; logicIndex = 0;
} }
logicdata[logicIndex++] = CHANPIN; logicdata[logicIndex++] = PINB;
delayMicroseconds(delayTime - 3); delayMicroseconds(delayTime - 3);
#ifndef MEGARAM
__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");
#endif /* MEGARAM */
__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");
__asm__("nop\n\t""nop\n\t""nop\n\t"); __asm__("nop\n\t""nop\n\t""nop\n\t");
} }
DEBUGPORT = B00000000; /* debug timing measurement */ PORTD = B00000000; /* debug timing measurement */
delayMicroseconds(100); delayMicroseconds(100);
} }
@@ -794,7 +676,7 @@ void triggerMicro() {
if (logicIndex >= readCount) { if (logicIndex >= readCount) {
logicIndex = 0; logicIndex = 0;
} }
Serial.write(logicdata[logicIndex++]); Serial.print(logicdata[logicIndex++], BYTE);
} }
} }
@@ -830,68 +712,43 @@ void setupDelay() {
*/ */
void get_metadata() { void get_metadata() {
/* device name */ /* device name */
Serial.write((uint8_t)0x01); Serial.print(0x01, BYTE);
Serial.write('A'); Serial.print('A', BYTE);
Serial.write('G'); Serial.print('G', BYTE);
Serial.write('L'); Serial.print('L', BYTE);
Serial.write('A'); Serial.print('A', BYTE);
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) Serial.print('v', BYTE);
Serial.write('M'); Serial.print('0', BYTE);
#endif /* Mega */ Serial.print(0x00, BYTE);
#if defined(MEGARAM)
Serial.write('R');
#endif /* MEGARAM */
Serial.write('v');
Serial.write('0');
Serial.write((uint8_t)0x00);
/* sample memory */ /* sample memory (1024) */
Serial.write((uint8_t)0x21); Serial.print(0x21, BYTE);
Serial.write((uint8_t)0x00); Serial.print(0x00, BYTE);
Serial.write((uint8_t)0x00); Serial.print(0x00, BYTE);
#if defined(MEGARAM) Serial.print(0x04, BYTE);
/* 56320 bytes (55KB) */ Serial.print(0x00, BYTE);
Serial.write((uint8_t)0xDC);
Serial.write((uint8_t)0x00);
#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
/* 7168 bytes (7KB) */
Serial.write((uint8_t)0x1C);
Serial.write((uint8_t)0x00);
#elif defined(__AVR_ATmega328P__)
/* 1024 bytes (1KB) */
Serial.write((uint8_t)0x04);
Serial.write((uint8_t)0x00);
#else
/* 532 bytes */
Serial.write((uint8_t)0x02);
Serial.write((uint8_t)0x14);
#endif /* Mega */
/* sample rate (1MHz) */ /* sample rate (1MHz) */
Serial.write((uint8_t)0x23); Serial.print(0x23, BYTE);
Serial.write((uint8_t)0x00); Serial.print(0x00, BYTE);
Serial.write((uint8_t)0x0F); Serial.print(0x0F, BYTE);
Serial.write((uint8_t)0x42); Serial.print(0x42, BYTE);
Serial.write((uint8_t)0x40); Serial.print(0x40, BYTE);
/* number of probes (5 by default on Arduino, 8 on Mega) */ /* number of probes (5 by default) */
Serial.write((uint8_t)0x40); Serial.print(0x40, BYTE);
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
Serial.write((uint8_t)0x08);
#else
#ifdef CHAN5 #ifdef CHAN5
Serial.write((uint8_t)0x06); Serial.print(0x06, BYTE);
#else #else
Serial.write((uint8_t)0x05); Serial.print(0x05, BYTE);
#endif /* CHAN5 */ #endif /* CHAN5 */
#endif /* Mega */
/* protocol version (2) */ /* protocol version (2) */
Serial.write((uint8_t)0x41); Serial.print(0x41, BYTE);
Serial.write((uint8_t)0x02); Serial.print(0x02, BYTE);
/* end of data */ /* end of data */
Serial.write((uint8_t)0x00); Serial.print(0x00, BYTE);
} }
/* /*
@@ -928,7 +785,7 @@ void debugprint() {
} }
else { else {
Serial.print(savebytes[i], HEX); Serial.print(savebytes[i], HEX);
Serial.write(' '); Serial.print(' ', BYTE);
} }
} }
Serial.println("done..."); Serial.println("done...");
@@ -939,7 +796,7 @@ void debugprint() {
* of the sample buffer. * of the sample buffer.
*/ */
void debugdump() { void debugdump() {
unsigned int i; int i;
int j = 1; int j = 1;
Serial.print("\r\n"); Serial.print("\r\n");

View File

@@ -1,51 +0,0 @@
# Configuration for Arduino Mega Logic Analyzer profile
# The short (single word) type of the device described in this profile
device.type = AGLAM
# A longer description of the device
device.description = Arduino Mega Logic Analyzer
# The device interface, SERIAL only
device.interface = SERIAL
# The device's native clockspeed, in Hertz.
device.clockspeed = 100000000
# Whether or not double-data-rate is supported by the device (also known as the "demux"-mode).
device.supports_ddr = false
# 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
# What capture clocks are supported
device.captureclock = INTERNAL
# The supported capture sizes, in bytes
device.capturesizes = 64, 128, 256, 512, 1024, 2048, 4096, 7168
# Whether or not the noise filter is supported
device.feature.noisefilter = false
# Whether or not Run-Length encoding is supported
device.feature.rle = false
# Whether or not a testing mode is supported
device.feature.testmode = false
# Whether or not triggers are supported
device.feature.triggers = true
# The number of trigger stages
device.trigger.stages = 1
# Whether or not "complex" triggers are supported
device.trigger.complex = false
# The total number of channels usable for capturing
device.channel.count = 8
# The number of channels groups, together with the channel count determines the channels per group
device.channel.groups = 1
# Whether the capture size is limited by the enabled channel groups
device.capturesize.bound = false
# Which numbering does the device support
device.channel.numberingschemes = DEFAULT
# Is a delay after opening the port and device detection needed? (0 = no delay, >0 = delay in milliseconds)
device.open.portdelay = 1000
# Does the device need a high or low DTR-line to operate correctly? (high = true, low = false)
device.open.portdtr = true
# Which metadata keys correspond to this device profile? Value is a comma-separated list of (double quoted) names...
device.metadata.keys = "AGLAMv0"
# In which order are samples sent back from the device? true = last sample first, false = first sample first
device.samples.reverseOrder = false
###EOF###

View File

@@ -1,51 +0,0 @@
# Configuration for Arduino MegaRAM Logic Analyzer profile
# The short (single word) type of the device described in this profile
device.type = AGLAMR
# A longer description of the device
device.description = Arduino MegaRAM Logic Analyzer
# The device interface, SERIAL only
device.interface = SERIAL
# The device's native clockspeed, in Hertz.
device.clockspeed = 100000000
# Whether or not double-data-rate is supported by the device (also known as the "demux"-mode).
device.supports_ddr = false
# 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
# What capture clocks are supported
device.captureclock = INTERNAL
# The supported capture sizes, in bytes
device.capturesizes = 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 56320
# Whether or not the noise filter is supported
device.feature.noisefilter = false
# Whether or not Run-Length encoding is supported
device.feature.rle = false
# Whether or not a testing mode is supported
device.feature.testmode = false
# Whether or not triggers are supported
device.feature.triggers = true
# The number of trigger stages
device.trigger.stages = 1
# Whether or not "complex" triggers are supported
device.trigger.complex = false
# The total number of channels usable for capturing
device.channel.count = 8
# The number of channels groups, together with the channel count determines the channels per group
device.channel.groups = 1
# Whether the capture size is limited by the enabled channel groups
device.capturesize.bound = false
# Which numbering does the device support
device.channel.numberingschemes = DEFAULT
# Is a delay after opening the port and device detection needed? (0 = no delay, >0 = delay in milliseconds)
device.open.portdelay = 1000
# Does the device need a high or low DTR-line to operate correctly? (high = true, low = false)
device.open.portdtr = true
# Which metadata keys correspond to this device profile? Value is a comma-separated list of (double quoted) names...
device.metadata.keys = "AGLAMRv0"
# In which order are samples sent back from the device? true = last sample first, false = first sample first
device.samples.reverseOrder = false
###EOF###