Update device profile clockspeed.

The Mega also runs as 16MHz so update device.clockspeed to match.

logic_analyzer.ino

@@ -25,7 +25,7 @@
  * (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 1.17 2011-08-04 02:31:01 gillham Exp $
+ *	$Id: logic_analyzer.ino,v 1.21 2012/02/27 20:19:44 gillham Exp $
  *
  */
 
@@ -102,31 +102,20 @@ void debugdump(void);
  * 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.
  *
- * 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 CHANPIN PINA
-#define DEBUGDDR DDRH
+#define CHAN0 22
-#define CHANPIN PINF
+#define CHAN1 23
-#define CHAN0 A0
+#define CHAN2 24
-#define CHAN1 A1
+#define CHAN3 25
-#define CHAN2 A2
+#define CHAN4 26
-#define CHAN3 A3
+#define CHAN5 27
-#define CHAN4 A4
+#define CHAN6 28
-#define CHAN5 A5
+#define CHAN7 29
-#define CHAN6 A6
-#define CHAN7 A7
 #else
-#define DEBUGPORT PORTD
-#define DEBUGDDR DDRD
 #define CHANPIN PINB
 #define CHAN0 8
 #define CHAN1 9
@@ -158,28 +147,19 @@ void debugdump(void);
 #define SUMP_SELF_TEST 0x03
 #define SUMP_GET_METADATA 0x04
 
-
+/* ATmega168:  532 (or lower)
-/*
+ * ATmega328:  1024 (or lower)
- * Default capture buffer sizes. Lower values should work, but the metadata and/or
+ * ATmega2560: 7168 (or lower)
- * device profiles will need to be adjusted to match.
- * ATmega168:  532
- * ATmega328:  1024 (1KB)
- * ATmega2560: 7168 (7KB)
- * ATmega2560+external SRAM: 56320 (55KB)
  */
-
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
-#if defined(MEGARAM)
+#define DEBUG_CAPTURE_SIZE 7168
-  #define DEBUG_CAPTURE_SIZE 56320
+#define CAPTURE_SIZE 7168
-  #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 DEBUG_CAPTURE_SIZE 1024
-  #define CAPTURE_SIZE 1024
+#define CAPTURE_SIZE 1024
 #else
-  #define DEBUG_CAPTURE_SIZE 532
+#define DEBUG_CAPTURE_SIZE 532
-  #define CAPTURE_SIZE 532
+#define CAPTURE_SIZE 532
 #endif
 
 #define DEBUG
@@ -201,20 +181,7 @@ byte savebytes[128];
 int savecount = 0;
 #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];
-#endif
 unsigned int logicIndex = 0;
 unsigned int triggerIndex = 0;
 unsigned int readCount = MAX_CAPTURE_SIZE;
@@ -227,17 +194,6 @@ unsigned long divider = 0;
 
 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);
 
   /*
@@ -246,7 +202,7 @@ void setup()
    * the sample time.  this is used during development to
    * properly pad out the sampling routines.
    */
-  DEBUGDDR = DEBUGDDR | B10000000; /* debug measurement pin */
+  DDRD = DDRD | B10000000; /* debug measurement pin */
 
   pinMode(CHAN0, INPUT);
   pinMode(CHAN1, INPUT);
@@ -269,7 +225,7 @@ void setup()
 
 void loop()
 {
-  unsigned int i;
+  int i;
 
   if (Serial.available() > 0) {
     cmdByte = Serial.read();
@@ -412,12 +368,6 @@ void loop()
        */
       debugdump();
       break;
-    case '3':
-      /*
-       * This samples the channel pin and writes to the serial port.  Used for debugging.
-       */
-      Serial.print(CHANPIN, HEX);
-      break;
 #endif /* DEBUG */
     default:
       /* ignore any unrecognized bytes. */
@@ -475,7 +425,7 @@ void getCmd() {
  */
 
 void captureMicro() {
-  unsigned int i;
+  int i;
 
   /*
    * basic trigger, wait until all trigger conditions are met on port B.
@@ -499,14 +449,14 @@ void captureMicro() {
    * any timing unexpectedly.
    * Arduino pin 7 is being used here.
    */
-  DEBUGDDR = DEBUGDDR | B10000000;
+  DDRD = DDRD | B10000000;
-  DEBUGPORT = B10000000;
+  PORTD = B10000000;
   delayMicroseconds(20);
-  DEBUGPORT = B00000000;
+  PORTD = B00000000;
   delayMicroseconds(20);
-  DEBUGPORT = B10000000;
+  PORTD = B10000000;
   delayMicroseconds(20);
-  DEBUGPORT = B00000000;
+  PORTD = B00000000;
   delayMicroseconds(20);
 
   if (delayTime == 1) {
@@ -514,34 +464,30 @@ void captureMicro() {
      * 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.
      */
-    DEBUGPORT = B10000000; /* debug timing measurement */
+    PORTD = B10000000; /* debug timing measurement */
     for (i = 0 ; i < readCount; i++) {
       logicdata[i] = CHANPIN;
-#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");
-#endif /* MEGARAM */
     }
-    DEBUGPORT = B00000000; /* debug timing measurement */
+    PORTD = B00000000; /* debug timing measurement */
   } 
   else if (delayTime == 2) {
     /*
      * 500KHz sample rate = 2 uS delay, still pretty fast so we pad this
      * one by hand too.
      */
-    DEBUGPORT = B10000000; /* debug timing measurement */
+    PORTD = B10000000; /* debug timing measurement */
     for (i = 0 ; i < readCount; i++) {
       logicdata[i] = CHANPIN;
-#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");
-#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");
     }
-    DEBUGPORT = B00000000; /* debug timing measurement */
+    PORTD = B00000000; /* debug timing measurement */
   } 
   else {
     /*
@@ -550,15 +496,13 @@ void captureMicro() {
      * a better logic analyzer)
      * start of real measurement
      */
-    DEBUGPORT = B10000000; /* debug timing measurement */
+    PORTD = B10000000; /* debug timing measurement */
     for (i = 0 ; i < readCount; i++) {
       logicdata[i] = CHANPIN;
       delayMicroseconds(delayTime - 1);
-#ifndef MEGARAM
       __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. */
@@ -591,7 +535,7 @@ void captureMicro() {
  * this basic functionality.
  */
 void captureMilli() {
-  unsigned int i;
+  int i;
 
   /*
    * very basic trigger, just like in captureMicros() above.
@@ -618,7 +562,7 @@ void captureMilli() {
  * 
  */
 void triggerMicro() {
-  unsigned int i = 0;
+  int i = 0;
 
   logicIndex = 0;
   triggerIndex = 0;
@@ -637,14 +581,14 @@ void triggerMicro() {
    * any timing unexpectedly.
    * Arduino pin 7 is being used here.
    */
-  DEBUGDDR = DEBUGDDR | B10000000;
+  DDRD = DDRD | B10000000;
-  DEBUGPORT = B10000000;
+  PORTD = B10000000;
   delayMicroseconds(20);
-  DEBUGPORT = B00000000;
+  PORTD = B00000000;
   delayMicroseconds(20);
-  DEBUGPORT = B10000000;
+  PORTD = B10000000;
   delayMicroseconds(20);
-  DEBUGPORT = B00000000;
+  PORTD = B00000000;
   delayMicroseconds(20);
 
   if (delayTime == 1) {
@@ -669,9 +613,9 @@ void triggerMicro() {
      * we always start capturing at the start of the 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) {
-      /* DEBUGPORT = B00000000; */
+      /* PORTD = B00000000; */
       /* increment index. */
       logicIndex++;
       if (logicIndex >= readCount) {
@@ -682,16 +626,12 @@ void triggerMicro() {
        * without pin toggles, will try 1 nop.
        * __asm__("nop\n\t""nop\n\t""nop\n\t");
        */
-#ifndef MEGARAM
       __asm__("nop\n\t");
-#endif /* MEGARAM */
+      /* PORTD = B10000000; */
-      /* DEBUGPORT = B10000000; */
     }
     /* 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");
-#endif /* MEGARAM */
+    PORTD = B00000000; /* debug timing measurement */
-    DEBUGPORT = B00000000; /* debug timing measurement */
 
     /* 
      * One sample size delay. ends up being 2 uS combined with assignment
@@ -699,16 +639,14 @@ void triggerMicro() {
      * between the trigger point and the subsequent samples.
      */
     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");
-#endif /* MEGARAM */
 
     /* 'logicIndex' now points to trigger sample, keep track of it */
     triggerIndex = logicIndex;
 
     /* keep sampling for delayCount after trigger */
-    DEBUGPORT = B10000000; /* debug timing measurement */
+    PORTD = B10000000; /* debug timing measurement */
     /*
      * this is currently taking:
      * 1025.5 uS for 512 samples. (512 samples, 0/100 split)
@@ -719,13 +657,11 @@ void triggerMicro() {
         logicIndex = 0;
       }
       logicdata[logicIndex++] = CHANPIN;
-#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");
-#endif /* MEGARAM */
     }
-    DEBUGPORT = B00000000; /* debug timing measurement */
+    PORTD = B00000000; /* debug timing measurement */
     delayMicroseconds(100);
   } 
   else {
@@ -738,17 +674,23 @@ void triggerMicro() {
      * and use it as a circular buffer
      *
      */
-    DEBUGPORT = B10000000; /* debug timing measurement */
+    PORTD = B10000000; /* debug timing measurement */
     while ((trigger_values ^ (logicdata[logicIndex] = CHANPIN)) & trigger) {
-      /* DEBUGPORT = B00000000; */
+      /* PORTD = B00000000; */
       /* increment index. */
       logicIndex++;
       if (logicIndex >= readCount) {
         logicIndex = 0;
       }
-      /* DEBUGPORT = B10000000; */
+      else {
+        /* pad the same number of cycles as the above assignment (needs verification) */
+        __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
+      }
+      delayMicroseconds(delayTime - 3);
+      __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
+      /* PORTD = B10000000; */
     }
-    DEBUGPORT = B00000000; /* debug timing measurement */
+    PORTD = B00000000; /* debug timing measurement */
 
     /* 'logicIndex' now points to trigger sample, keep track of it */
     triggerIndex = logicIndex;
@@ -757,23 +699,24 @@ void triggerMicro() {
      * This needs adjustment so that we have the right spacing between the
      * before trigger samples and the after trigger samples.
      */
-    delayMicroseconds(delayTime);
+    delayMicroseconds(delayTime - 2);
+    __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");
 
     /* keep sampling for delayCount after trigger */
-    DEBUGPORT = B10000000; /* debug timing measurement */
+    PORTD = B10000000; /* debug timing measurement */
     for (i = 0 ; i < delayCount; i++) {
       if (logicIndex >= readCount) {
         logicIndex = 0;
       }
       logicdata[logicIndex++] = CHANPIN;
       delayMicroseconds(delayTime - 3);
-#ifndef MEGARAM
       __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");
     }
-    DEBUGPORT = B00000000; /* debug timing measurement */
+    PORTD = B00000000; /* debug timing measurement */
     delayMicroseconds(100);
   }
 
@@ -838,9 +781,6 @@ void get_metadata() {
 #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
   Serial.write('M');
 #endif /* Mega */
-#if defined(MEGARAM)
-  Serial.write('R');
-#endif /* MEGARAM */
   Serial.write('v');
   Serial.write('0');
   Serial.write((uint8_t)0x00);
@@ -849,16 +789,12 @@ void get_metadata() {
   Serial.write((uint8_t)0x21);
   Serial.write((uint8_t)0x00);
   Serial.write((uint8_t)0x00);
-#if defined(MEGARAM)
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
-  /* 56320 bytes (55KB) */
+  /* 7168 bytes */
-  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) */
+  /* 1024 bytes */
   Serial.write((uint8_t)0x04);
   Serial.write((uint8_t)0x00);
 #else
@@ -939,7 +875,7 @@ void debugprint() {
  * of the sample buffer.
  */
 void debugdump() {
-  unsigned int i;
+  int i;
   int j = 1;
 
   Serial.print("\r\n");
@@ -957,3 +893,6 @@ void debugdump() {
 #endif /* DEBUG */
 
 
+
+
+

ols.profile-agla.cfg

@@ -7,7 +7,7 @@ device.description = Arduino Generic Logic Analyzer
 # The device interface, SERIAL only
 device.interface = SERIAL
 # The device's native clockspeed, in Hertz.
-device.clockspeed = 100000000
+device.clockspeed = 16000000
 # 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
@@ -39,13 +39,15 @@ device.capturesize.bound = false
 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
+device.open.portdelay = 1500
+# The receive timeout for the device (in milliseconds, 100 = default, <=0 = no timeout)
+device.receive.timeout = 100
 # 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
+# In which order are samples sent back from the device? false = last sample first, true = first sample first
-device.samples.reverseOrder = false
+device.samples.reverseOrder = true
 
 ###EOF###

ols.profile-aglam.cfg

@@ -7,7 +7,7 @@ device.description = Arduino Mega Logic Analyzer
 # The device interface, SERIAL only
 device.interface = SERIAL
 # The device's native clockspeed, in Hertz.
-device.clockspeed = 100000000
+device.clockspeed = 16000000
 # 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
@@ -39,13 +39,15 @@ device.capturesize.bound = false
 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
+device.open.portdelay = 2000
+# The receive timeout for the device (in milliseconds, 100 = default, <=0 = no timeout)
+device.receive.timeout = 100
 # 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
+# In which order are samples sent back from the device? false = last sample first, true = first sample first
-device.samples.reverseOrder = false
+device.samples.reverseOrder = true
 
 ###EOF###

ols.profile-aglamr.cfg

@@ -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###