mirror of
https://github.com/gillham/logic_analyzer.git
synced 2026-05-01 15:10:43 +03:00
Initial Arduino Mega support.
The Arduino Mega 2560 is now supported in addition to the regular Arduino. The Mega supports 8 channels and 7k samples. The ols.profile-* files are device profiles for the alternative SUMP client. 'AGLA' = Arduino 'AGLAM' = Arduino Mega
This commit is contained in:
Andrew Gillham
18
README
18
README
@@ -12,19 +12,31 @@ crystal oscillator pins.
|
||||
Uncomment CHAN5 below if you want to use the LED pin as an input and have
|
||||
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:
|
||||
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.
|
||||
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,
|
||||
use these settings:
|
||||
|
||||
Sampling rate: 1MHz (or lower)
|
||||
Channel Groups: 0 (zero) only
|
||||
Recording Size: 1024 (or lower)
|
||||
Recording Size: 1024 (or lower), 7168 (or lower) for the Arduino Mega
|
||||
Noise Filter: doesn't matter
|
||||
RLE: disabled (unchecked)
|
||||
|
||||
@@ -33,5 +45,5 @@ below 1MHz. 1MHz works for a basic busy wait trigger that doesn't store
|
||||
until after the trigger fires.
|
||||
Please try it out and report back.
|
||||
|
||||
Release: v0.03 March 7, 2011.
|
||||
Release: v0.04 August 3, 2011.
|
||||
|
||||
|
||||
@@ -25,11 +25,15 @@
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* $Id: logic_analyzer.pde,v 1.14 2011-03-08 07:14:42 gillham Exp $
|
||||
* $Id: logic_analyzer.pde,v 1.17 2011-08-04 02:31:01 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
|
||||
* 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
|
||||
@@ -37,19 +41,32 @@
|
||||
* Uncomment CHAN5 below if you want to use the LED pin as an input and have
|
||||
* 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:
|
||||
* 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,
|
||||
* use these settings:
|
||||
*
|
||||
* Sampling rate: 1MHz (or lower)
|
||||
* Channel Groups: 0 (zero) only
|
||||
* Recording Size: 1024 (or lower)
|
||||
* Recording Size: 1024 (or lower), 7168 (or lower) for the Arduino Mega
|
||||
* Noise Filter: doesn't matter
|
||||
* RLE: disabled (unchecked)
|
||||
*
|
||||
@@ -58,7 +75,7 @@
|
||||
* until after the trigger fires.
|
||||
* Please try it out and report back.
|
||||
*
|
||||
* Release: v0.02 February 28, 2011.
|
||||
* Release: v0.04 August 3, 2011.
|
||||
*
|
||||
*/
|
||||
|
||||
@@ -79,15 +96,31 @@ void debugprint(void);
|
||||
void debugdump(void);
|
||||
|
||||
/*
|
||||
* Uncomment CHAN5 to use it as an additional input.
|
||||
* Uncomment CHAN5 to use it as an additional input on a normal Arduino.
|
||||
* You'll need to change the number of channels in the device profile as well.
|
||||
*
|
||||
* Arduino device profile: ols.profile-agla.cfg
|
||||
* Arduino Mega device profile: ols.profile-aglam.cfg
|
||||
*/
|
||||
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
|
||||
#define CHANPIN PINA
|
||||
#define CHAN0 22
|
||||
#define CHAN1 23
|
||||
#define CHAN2 24
|
||||
#define CHAN3 25
|
||||
#define CHAN4 26
|
||||
#define CHAN5 27
|
||||
#define CHAN6 28
|
||||
#define CHAN7 29
|
||||
#else
|
||||
#define CHANPIN PINB
|
||||
#define CHAN0 8
|
||||
#define CHAN1 9
|
||||
#define CHAN2 10
|
||||
#define CHAN3 11
|
||||
#define CHAN4 12
|
||||
//#define CHAN5 13
|
||||
#endif
|
||||
#define ledPin 13
|
||||
|
||||
/* XON/XOFF are not supported. */
|
||||
@@ -113,13 +146,22 @@ void debugdump(void);
|
||||
|
||||
/*
|
||||
* Capture size of 1024 bytes works on the ATmega328.
|
||||
* Capture size of XXXX bytes works on the ATmega2560.
|
||||
*
|
||||
*/
|
||||
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
|
||||
#define DEBUG_CAPTURE_SIZE 7168
|
||||
#define CAPTURE_SIZE 7168
|
||||
#else
|
||||
#define DEBUG_CAPTURE_SIZE 1024
|
||||
#define CAPTURE_SIZE 1024
|
||||
#endif /* Mega */
|
||||
|
||||
#define DEBUG
|
||||
#ifdef DEBUG
|
||||
#define MAX_CAPTURE_SIZE 1024
|
||||
#define MAX_CAPTURE_SIZE DEBUG_CAPTURE_SIZE
|
||||
#else
|
||||
#define MAX_CAPTURE_SIZE 1024
|
||||
#define MAX_CAPTURE_SIZE CAPTURE_SIZE
|
||||
#endif /* DEBUG */
|
||||
|
||||
/*
|
||||
@@ -162,11 +204,18 @@ void setup()
|
||||
pinMode(CHAN2, INPUT);
|
||||
pinMode(CHAN3, 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
|
||||
pinMode(CHAN5, INPUT);
|
||||
#else
|
||||
pinMode(ledPin, OUTPUT);
|
||||
#endif /* CHAN5 */
|
||||
#endif /* Mega */
|
||||
}
|
||||
|
||||
void loop()
|
||||
@@ -322,14 +371,12 @@ void loop()
|
||||
}
|
||||
}
|
||||
|
||||
#ifndef CHAN5
|
||||
void blinkled() {
|
||||
digitalWrite(ledPin, HIGH);
|
||||
delay(200);
|
||||
digitalWrite(ledPin, LOW);
|
||||
delay(200);
|
||||
}
|
||||
#endif /* !CHAN5 */
|
||||
|
||||
/*
|
||||
* Extended SUMP commands are 5 bytes. A command byte followed by 4 bytes
|
||||
@@ -380,7 +427,7 @@ void captureMicro() {
|
||||
* this needs further testing, but basic tests work as expected.
|
||||
*/
|
||||
if (trigger) {
|
||||
while ((trigger_values ^ PINB) & trigger);
|
||||
while ((trigger_values ^ CHANPIN) & trigger);
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -414,7 +461,7 @@ void captureMicro() {
|
||||
*/
|
||||
PORTD = B10000000; /* debug timing measurement */
|
||||
for (i = 0 ; i < readCount; i++) {
|
||||
logicdata[i] = PINB;
|
||||
logicdata[i] = CHANPIN;
|
||||
__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");
|
||||
}
|
||||
@@ -427,7 +474,7 @@ void captureMicro() {
|
||||
*/
|
||||
PORTD = B10000000; /* debug timing measurement */
|
||||
for (i = 0 ; i < readCount; i++) {
|
||||
logicdata[i] = PINB;
|
||||
logicdata[i] = CHANPIN;
|
||||
__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");
|
||||
@@ -446,7 +493,7 @@ void captureMicro() {
|
||||
*/
|
||||
PORTD = B10000000; /* debug timing measurement */
|
||||
for (i = 0 ; i < readCount; i++) {
|
||||
logicdata[i] = PINB;
|
||||
logicdata[i] = CHANPIN;
|
||||
delayMicroseconds(delayTime - 1);
|
||||
__asm__("nop\n\t""nop\n\t");
|
||||
}
|
||||
@@ -489,11 +536,11 @@ void captureMilli() {
|
||||
* very basic trigger, just like in captureMicros() above.
|
||||
*/
|
||||
if (trigger) {
|
||||
while ((trigger_values ^ PINB) & trigger);
|
||||
while ((trigger_values ^ CHANPIN) & trigger);
|
||||
}
|
||||
|
||||
for (i = 0 ; i < readCount; i++) {
|
||||
logicdata[i] = PINB;
|
||||
logicdata[i] = CHANPIN;
|
||||
delay(delayTime);
|
||||
}
|
||||
for (i = 0 ; i < readCount; i++) {
|
||||
@@ -557,12 +604,12 @@ void triggerMicro() {
|
||||
/*
|
||||
* 500KHz case. We should be able to manage this in time.
|
||||
*
|
||||
* busy loop reading PINB until we trigger.
|
||||
* busy loop reading CHANPIN until we trigger.
|
||||
* we always start capturing at the start of the buffer
|
||||
* and use it as a circular buffer
|
||||
*/
|
||||
PORTD = B10000000; /* debug timing measurement */
|
||||
while ((trigger_values ^ (logicdata[logicIndex] = PINB)) & trigger) {
|
||||
while ((trigger_values ^ (logicdata[logicIndex] = CHANPIN)) & trigger) {
|
||||
/* PORTD = B00000000; */
|
||||
/* increment index. */
|
||||
logicIndex++;
|
||||
@@ -604,7 +651,7 @@ void triggerMicro() {
|
||||
if (logicIndex >= readCount) {
|
||||
logicIndex = 0;
|
||||
}
|
||||
logicdata[logicIndex++] = PINB;
|
||||
logicdata[logicIndex++] = CHANPIN;
|
||||
__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");
|
||||
@@ -617,13 +664,13 @@ void triggerMicro() {
|
||||
* Less than 500KHz case. This uses delayMicroseconds() and some padding
|
||||
* to get precise timing, at least for the after trigger samples.
|
||||
*
|
||||
* busy loop reading PINB until we trigger.
|
||||
* busy loop reading CHANPIN until we trigger.
|
||||
* we always start capturing at the start of the buffer
|
||||
* and use it as a circular buffer
|
||||
*
|
||||
*/
|
||||
PORTD = B10000000; /* debug timing measurement */
|
||||
while ((trigger_values ^ (logicdata[logicIndex] = PINB)) & trigger) {
|
||||
while ((trigger_values ^ (logicdata[logicIndex] = CHANPIN)) & trigger) {
|
||||
/* PORTD = B00000000; */
|
||||
/* increment index. */
|
||||
logicIndex++;
|
||||
@@ -649,7 +696,7 @@ void triggerMicro() {
|
||||
if (logicIndex >= readCount) {
|
||||
logicIndex = 0;
|
||||
}
|
||||
logicdata[logicIndex++] = PINB;
|
||||
logicdata[logicIndex++] = CHANPIN;
|
||||
delayMicroseconds(delayTime - 3);
|
||||
__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");
|
||||
@@ -717,6 +764,9 @@ void get_metadata() {
|
||||
Serial.print('G', BYTE);
|
||||
Serial.print('L', BYTE);
|
||||
Serial.print('A', BYTE);
|
||||
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
|
||||
Serial.print('M', BYTE);
|
||||
#endif /* Mega */
|
||||
Serial.print('v', BYTE);
|
||||
Serial.print('0', BYTE);
|
||||
Serial.print(0x00, BYTE);
|
||||
@@ -725,7 +775,11 @@ void get_metadata() {
|
||||
Serial.print(0x21, BYTE);
|
||||
Serial.print(0x00, BYTE);
|
||||
Serial.print(0x00, BYTE);
|
||||
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
|
||||
Serial.print(0x1C, BYTE);
|
||||
#else
|
||||
Serial.print(0x04, BYTE);
|
||||
#endif /* Mega */
|
||||
Serial.print(0x00, BYTE);
|
||||
|
||||
/* sample rate (1MHz) */
|
||||
@@ -735,13 +789,17 @@ void get_metadata() {
|
||||
Serial.print(0x42, BYTE);
|
||||
Serial.print(0x40, BYTE);
|
||||
|
||||
/* number of probes (5 by default) */
|
||||
/* number of probes (5 by default on Arduino, 8 on Mega) */
|
||||
Serial.print(0x40, BYTE);
|
||||
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
|
||||
Serial.print(0x08, BYTE);
|
||||
#else
|
||||
#ifdef CHAN5
|
||||
Serial.print(0x06, BYTE);
|
||||
#else
|
||||
Serial.print(0x05, BYTE);
|
||||
#endif /* CHAN5 */
|
||||
#endif /* Mega */
|
||||
|
||||
/* protocol version (2) */
|
||||
Serial.print(0x41, BYTE);
|
||||
|
||||
51
ols.profile-agla.cfg
Normal file
51
ols.profile-agla.cfg
Normal file
@@ -0,0 +1,51 @@
|
||||
# Configuration for Arduino Generic Logic Analyzer profile
|
||||
|
||||
# The short (single word) type of the device described in this profile
|
||||
device.type = AGLA
|
||||
# A longer description of the device
|
||||
device.description = Arduino Generic 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
|
||||
# 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 = 5
|
||||
# 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 = 500
|
||||
# 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 = "AGLAv0"
|
||||
|
||||
# In which order are samples sent back from the device? true = last sample first, false = first sample first
|
||||
device.samples.reverseOrder = false
|
||||
|
||||
###EOF###
|
||||
51
ols.profile-aglam.cfg
Normal file
51
ols.profile-aglam.cfg
Normal file
@@ -0,0 +1,51 @@
|
||||
# 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###
|
||||
Reference in New Issue
Block a user