Added support for DMD frame events and new switch event enable.

examples/pinproctest/dmd.cpp

@@ -36,6 +36,9 @@ void ConfigureDMD(PRHandle proc)
     dmdConfig.numRows = kDMDRows;
     dmdConfig.numColumns = kDMDColumns;
     dmdConfig.numSubFrames = kDMDSubFrames;
+    dmdConfig.numFrameBuffers = kDMDFrameBuffers;
+    dmdConfig.autoIncBufferWrPtr = true;
+    dmdConfig.enableFrameEvents = true;
     
     for (i = 0; i < kDMDSubFrames; i++)
     {

examples/pinproctest/pinproctest.cpp

@@ -78,6 +78,7 @@ bool runLoopRun = true;
 void RunLoop(PRHandle proc)
 {
     const int maxEvents = 16;
+    int i;
     PREvent events[maxEvents];
 
     // Create dot array using an array of bytes.  Each byte holds 8 dots.  Need
@@ -88,13 +89,22 @@ void RunLoop(PRHandle proc)
     // Retrieve and store initial switch states. 
     LoadSwitchStates(proc);
 
+    uint32_t rdBuffer[1];
+
+    // Send 3 frames
+    for (i=0; i<3; i++)
+    {
+      // Create a dot pattern to test the DMD
+      UpdateDots(dots,dotOffset++);
+      PRDMDDraw(proc,dots);
+    }
+
     while (runLoopRun)
     {
         PRDriverWatchdogTickle(proc);
          
-        // Create a dot pattern to test the DMD
+        //PRReadData(proc, 5, 0, 1, rdBuffer);
-        UpdateDots(dots,dotOffset++);
+        //printf("dmd config: %x\n",rdBuffer[0]); 
-        PRDMDDraw(proc,dots);
 
         int numEvents = PRGetEvents(proc, events, maxEvents);
         for (int i = 0; i < numEvents; i++)
@@ -110,8 +120,25 @@ void RunLoop(PRHandle proc)
             }
             struct timeval tv;
             gettimeofday(&tv, NULL);
+            
+            switch (event->type)
+            {
+                case kPREventTypeSwitchOpenDebounced: 
+                case kPREventTypeSwitchClosedDebounced:
+                case kPREventTypeSwitchOpenNondebounced:
+                case kPREventTypeSwitchClosedNondebounced:
+                {
                     printf("%d.%03d switch % 3d: %s\n", tv.tv_sec-startTime, tv.tv_usec/1000, event->value, stateText);
                     UpdateSwitchState( event );
+                    break;
+                }
+                case kPREventTypeDMDFrameDisplayed:
+                {
+                    UpdateDots(dots,dotOffset++);
+                    PRDMDDraw(proc,dots);
+                    break;
+                }
+            }
         }
         PRFlushWriteData(proc);
         usleep(10*1000); // Sleep for 10ms so we aren't pegging the CPU.
@@ -168,6 +195,7 @@ int main(int argc, const char **argv)
         return 1;
     }
     
+    PRLogSetLevel (kPRLogInfo);
     PRReset(proc, kPRResetFlagUpdateDevice); // Reset the device structs and write them into the device.
     
     ConfigureDMD(proc); 
@@ -177,7 +205,8 @@ int main(int argc, const char **argv)
     // Pulse a coil for testing purposes.
     //PRDriverPulse(proc, 53, 100);
     // Schedule a feature lamp for testing purposes.
-    PRDriverSchedule(proc, 80, 0xFF00FF00, 0, 0);
+    //PRDriverSchedule(proc, 80, 0xFF00FF00, 0, 0);
+    PRDriverSchedule(proc, 0, 0xFF00AAAA, 1, 1);
     // Pitter-patter a feature lamp for testing purposes.
     //PRDriverPatter(proc, 84, 127, 127, 0);
     PRFlushWriteData(proc);
@@ -188,6 +217,7 @@ int main(int argc, const char **argv)
 
     // Clean up P-ROC.
     printf("Disabling P-ROC drivers and switch rules...\n");
+
     PRReset(proc, kPRResetFlagUpdateDevice); // Reset the device structs and write them into the device.
     PRFlushWriteData(proc);
 

examples/pinproctest/pinproctest.h

@@ -49,6 +49,7 @@
 #define kDMDColumns (128)
 #define kDMDRows (32)
 #define kDMDSubFrames (4) // For color depth of 16
+#define kDMDFrameBuffers (3) // 3 is the max
 
 void ConfigureDrivers(PRHandle proc, PRMachineType machineType, YAML::Node& yamlDoc);
 

examples/pinproctest/switches.cpp

@@ -38,6 +38,7 @@ void ConfigureSwitches(PRHandle proc, YAML::Node& yamlDoc)
     // Configure switch controller registers (if the defaults aren't acceptable)
     PRSwitchConfig switchConfig;
     switchConfig.clear = false;
+    switchConfig.hostEventsEnable = true;
     switchConfig.directMatrixScanLoopTime = 2; // milliseconds
     switchConfig.pulsesBeforeCheckingRX = 10;
     switchConfig.inactivePulsesAfterBurst = 12;

include/pinproc.h

@@ -268,12 +268,13 @@ typedef enum PREventType {
     kPREventTypeSwitchOpenDebounced      = 2, /**< The switch has gone from closed to open and the signal has been debounced. */
     kPREventTypeSwitchClosedNondebounced = 3, /**< The switch has gone from open to closed and the signal has not been debounced. */
     kPREventTypeSwitchOpenNondebounced   = 4, /**< The switch has gone from closed to open and the signal has not been debounced. */
+    kPREventTypeDMDFrameDisplayed        = 5, /**< A DMD frame has been displayed. */
     kPREventTypetLast = kPREventTypeSwitchOpenNondebounced
 } PREventType;
 
 typedef struct PREvent {
     PREventType type;  /**< The type of event that has occurred.  Usually a switch event at this point. */
-    uint32_t value;    /**< For switch events, the switch number that has changed. */
+    uint32_t value;    /**< For switch events, the switch number that has changed. For DMD events, the frame buffer that was just displayed. */
     uint32_t time;     /**< Time (in milliseconds) that this event occurred. */
 } PREvent;
 
@@ -290,6 +291,7 @@ PR_EXPORT int PRGetEvents(PRHandle handle, PREvent *eventsOut, int maxEvents);
 
 typedef struct PRSwitchConfig {
     bool_t clear; // Drive the clear output
+    bool_t hostEventsEnable; // Drive the clear output
     uint8_t directMatrixScanLoopTime; // milliseconds
     uint8_t pulsesBeforeCheckingRX;
     uint8_t inactivePulsesAfterBurst;
@@ -373,6 +375,9 @@ typedef struct PRDMDConfig {
     uint8_t numRows;
     uint16_t numColumns;
     uint8_t numSubFrames;
+    uint8_t numFrameBuffers;
+    bool_t autoIncBufferWrPtr;
+    bool_t enableFrameEvents;
     bool_t enable;
     uint8_t rclkLowCycles[8];
     uint8_t latchHighCycles[8];

src/PRDevice.cpp

@@ -73,6 +73,16 @@ PRResult PRDevice::Reset(uint32_t resetFlags)
     
     DriverLoadMachineTypeDefaults(machineType, resetFlags);
 
+    // Disable dmd events if updating the device.
+#if 0
+    if (resetFlags & kPRResetFlagUpdateDevice) 
+    {
+        PRDMDConfig *dmdConfig = &(this->dmdConfig);
+        dmdConfig->enableFrameEvents = false;
+        DMDUpdateConfig(dmdConfig);
+    }
+#endif
+
     // Make sure the free list is empty.
     while (!freeSwitchRuleIndexes.empty()) freeSwitchRuleIndexes.pop();
     
@@ -121,11 +131,28 @@ int PRDevice::GetEvents(PREvent *events, int maxEvents)
 
         events[i].value = event_data & P_ROC_EVENT_SWITCH_NUM_MASK;
         bool open = (event_data & P_ROC_EVENT_SWITCH_STATE_MASK) >> P_ROC_EVENT_SWITCH_STATE_SHIFT;
+        
+        switch ((event_data & P_ROC_EVENT_TYPE_MASK) >> P_ROC_EVENT_TYPE_SHIFT)
+        {
+            case P_ROC_EVENT_TYPE_SWITCH:
+            {
                 bool debounced = (event_data & P_ROC_EVENT_SWITCH_DEBOUNCED_MASK) >> P_ROC_EVENT_SWITCH_DEBOUNCED_SHIFT;
                 if (open)
                     events[i].type = debounced ? kPREventTypeSwitchOpenDebounced : kPREventTypeSwitchOpenNondebounced;
                 else
                     events[i].type = debounced ? kPREventTypeSwitchClosedDebounced : kPREventTypeSwitchOpenNondebounced;
+                break; 
+            }
+
+            case P_ROC_EVENT_TYPE_DMD:
+            {
+                events[i].type = kPREventTypeDMDFrameDisplayed;
+                break;
+            }
+
+            default: events[i].type = kPREventTypeInvalid;
+           
+        } 
     }
     return i;
 }
@@ -385,7 +412,7 @@ PRSwitchRuleInternal *PRDevice::GetSwitchRuleByIndex(uint16_t index)
 PRResult PRDevice::SwitchUpdateConfig(PRSwitchConfig *switchConfig)
 {
     uint32_t rc;
-    const int burstWords = 2;
+    const int burstWords = 4;
     uint32_t burst[burstWords];
 
     this->switchConfig = *switchConfig;
@@ -602,25 +629,41 @@ PRResult PRDevice::DMDDraw(uint8_t * dots)
 
     // The following code prints out the init lines for the 4 Xilinx BlockRAMs
     // in the FPGA.  It's used to make an image for the P-ROC to display on power-up.
-    //if (print_dots) {
+#if 0
-    //print_dots = false;
+    // This is the original version... needs to be deleted.
-
+    for (i=0; i<4; i++) {
-    //for (i=0; i<4; i++) {
+      std::cout << "For memory: "<< i << "\n";
-    //  std::cout << "For memory: "<< i << "\n";
+      // Need 4 lines to get 1 frame (4*256*4 = 4096)
-    //  // Need 4 lines to get 1 frame (4*256*4 = 4096)
+      // The rest will be all 0.
-    //  // The rest will be all 0.
+      for (y=0; y<4; y++) {
-    //  for (y=0; y<4; y++) {
+        std::cout << "defparam blockram.INIT_00 = 256'b";
-    //    std::cout << "defparam blockram.INIT_00 = 256'b";
+        for (j=31; j>=0; j--) {
-    //    for (j=31; j>=0; j--) {
+          for (x=7; x>=0; x--) {
-    //      for (x=7; x>=0; x--) {
+            std::cout << ((dmd_frame_buffer[(y*32)+j] >> ((i*8)+x)) & 1);
-    //        std::cout << ((dmd_frame_buffer[(y*32)+j] >> ((i*8)+x)) & 1);
+          }
-    //      }
+        }
-    //    }
+        std::cout << ";\n";
-    //    std::cout << ";\n";
+      }
-    //  }
+      std::cout << "\n\n\n";
-    //  std::cout << "\n\n\n";
+    }
-    //}
+#endif
-    //}
+#if 0
+    for (i=0; i<4; i++) {
+      std::cout << "For memory: "<< i << "\n";
+      // Need 4 lines to get 1 frame (4*256*4 = 4096)
+      // The rest will be all 0.
+      for (y=0; y<4; y++) {
+        std::cout << "defparam blockram.INIT_00 = 256'b";
+        for (j=8; j>=0; j--) {
+          for (x=31; x>=0; x--) {
+            std::cout << ((dmd_frame_buffer[(y*32)+j] >> ((i*8)+x)) & 1);
+          }
+        }
+        std::cout << ";\n";
+      }
+      std::cout << "\n\n\n";
+    }
+#endif
 }
 
 PRResult PRDevice::PRJTAGDriveOutputs(PRJTAGOutputs * jtagOutputs, bool_t toggleClk)
@@ -674,12 +717,39 @@ PRResult PRDevice::PRJTAGGetStatus(PRJTAGStatus * status)
 
 PRResult PRDevice::Open()
 {
+    uint32_t temp_word;
     PRResult res = PRHardwareOpen();
     if (res == kPRSuccess)
     {
         // Try to verify the P-ROC IS in the FPGA before initializing the FPGA's FTDI interface
         // just in case it was already initialized from a previous application execution.
         DEBUG(PRLog(kPRLogInfo, "Verifying P-ROC ID: \n"));
+
+        // Attempt to turn off events.  This is necessary if P-ROC wasn't shut down
+        // properly previously.  If the P-ROC isn't initialized, this request will
+        // be ignored.  
+        
+        PRDMDConfig dmdConfig;
+        dmdConfig.numRows = 32; // Doesn't matter.
+        dmdConfig.numColumns = 128; // Doesn't matter
+        dmdConfig.numSubFrames = 4; // Doesn't matter
+        dmdConfig.numFrameBuffers = 3; // Doesn't matter
+        dmdConfig.autoIncBufferWrPtr = false;
+        dmdConfig.enableFrameEvents = false;
+        DMDUpdateConfig(&dmdConfig);
+
+        PRSwitchConfig switchConfig;
+        switchConfig.clear = false;
+        switchConfig.hostEventsEnable = false;
+        switchConfig.directMatrixScanLoopTime = 2; // milliseconds
+        switchConfig.pulsesBeforeCheckingRX = 10;
+        switchConfig.inactivePulsesAfterBurst = 12;
+        switchConfig.pulsesPerBurst = 6;
+        switchConfig.pulseHalfPeriodTime = 13; // milliseconds
+        SwitchUpdateConfig(&switchConfig);
+
+        // Flush read data to ensure VerifyChipID starts with clean buffer.  
+        res = FlushReadBuffer();
         if (VerifyChipID() == kPRFailure) {
             // Since the FPGA didn't appear to be responding properly, send the FPGA's FTDI
             // initialization sequence.  This is a set of bytes the FPGA is waiting to receive
@@ -687,7 +757,7 @@ PRResult PRDevice::Open()
             // in and wreaking havoc before software is up and running.
             DEBUG(PRLog(kPRLogInfo, "Initializing P-ROC...\n"));
             res = FlushReadBuffer();
-            uint32_t temp_word = P_ROC_INIT_PATTERN_A;
+            temp_word = P_ROC_INIT_PATTERN_A;
             res = WriteData(&temp_word, 1);
             temp_word = P_ROC_INIT_PATTERN_B;
             res = WriteData(&temp_word, 1);
@@ -695,6 +765,7 @@ PRResult PRDevice::Open()
             if (res == kPRFailure)
                 DEBUG(PRLog(kPRLogWarning, "Unable to read Chip ID - P-ROC could not be initialized.\n"));
         }
+        else res = kPRSuccess;
     }
 
     return res;
@@ -914,10 +985,14 @@ PRResult PRDevice::FlushReadBuffer()
     numBytes = CollectReadData();
     k = 0;
     //std::cout << "Flushing rd buffer of " << num_words << "words\n";
-    while (k < numBytes) {
+    
-        rc = ReadData(rd_buffer, 1);
+    //while (k < numBytes) {
-        k++;
+    //    rc = ReadData(rd_buffer, 1);
-    }
+    //    k++;
+    //}
+    collected_bytes_rd_addr = 0;
+    collected_bytes_wr_addr = 0;
+    num_collected_bytes = 0;
     return rc;
 }
 

src/PRHardware.cpp

@@ -157,6 +157,9 @@ int32_t CreateSwitchUpdateConfigBurst ( uint32_t * burst, PRSwitchConfig *switch
                    P_ROC_SWITCH_CONFIG_PULSES_PER_BURST_SHIFT) |
                (switchConfig->pulseHalfPeriodTime << 
                    P_ROC_SWITCH_CONFIG_MS_PER_PULSE_HALF_PERIOD_SHIFT);
+    burst[2] = CreateBurstCommand (P_ROC_BUS_STATE_CHANGE_PROC_SELECT, 
+                                   P_ROC_STATE_CHANGE_CONFIG_ADDR, 1 );
+    burst[3] = switchConfig->hostEventsEnable;
 
     return kPRSuccess;
 }
@@ -218,6 +221,9 @@ int32_t CreateDMDUpdateConfigBurst ( uint32_t * burst, PRDMDConfig *dmd_config)
     addr = 0;
     burst[0] = CreateBurstCommand (P_ROC_BUS_DMD_SELECT, addr, 1 );
     burst[1] = (1 << P_ROC_DMD_ENABLE_SHIFT) |
+               (dmd_config->enableFrameEvents << P_ROC_DMD_ENABLE_FRAME_EVENTS_SHIFT) |
+               (dmd_config->autoIncBufferWrPtr << P_ROC_DMD_AUTO_INC_WR_POINTER_SHIFT) |
+               (dmd_config->numFrameBuffers << P_ROC_DMD_NUM_FRAME_BUFFERS_SHIFT) |
                (dmd_config->numSubFrames << P_ROC_DMD_NUM_SUB_FRAMES_SHIFT) |
                (dmd_config->numRows << P_ROC_DMD_NUM_ROWS_SHIFT) |
                (dmd_config->numColumns << P_ROC_DMD_NUM_COLUMNS_SHIFT); 

src/PRHardware.h

@@ -110,6 +110,10 @@ const uint32_t P_ROC_JTAG_TDI_MEMORY_BASE_ADDR             = 0x800;
 const uint32_t P_ROC_SWITCH_CTRL_STATE_BASE_ADDR           = 4;
 const uint32_t P_ROC_SWITCH_CTRL_DEBOUNCE_BASE_ADDR        = 11;
 
+const uint32_t P_ROC_EVENT_TYPE_SWITCH                     = 0;
+const uint32_t P_ROC_EVENT_TYPE_DMD                        = 1;
+const uint32_t P_ROC_EVENT_TYPE_MASK                       = 0xC00;
+const uint32_t P_ROC_EVENT_TYPE_SHIFT                      = 10;
 const uint32_t P_ROC_EVENT_SWITCH_NUM_MASK                 = 0xFF;
 const uint32_t P_ROC_EVENT_SWITCH_STATE_MASK               = 0x100;
 const uint32_t P_ROC_EVENT_SWITCH_STATE_SHIFT              = 8;
@@ -176,9 +180,14 @@ const uint32_t P_ROC_SWITCH_RULE_LINK_ADDRESS_SHIFT  = 11;
 const uint32_t P_ROC_SWITCH_RULE_CHANGE_OUTPUT_SHIFT = 9;
 const uint32_t P_ROC_SWITCH_RULE_DRIVER_NUM_SHIFT    = 0;
 
+const uint32_t P_ROC_STATE_CHANGE_CONFIG_ADDR        = 0x1000;
+
 const uint32_t P_ROC_DMD_NUM_COLUMNS_SHIFT           = 0;
 const uint32_t P_ROC_DMD_NUM_ROWS_SHIFT              = 8;
 const uint32_t P_ROC_DMD_NUM_SUB_FRAMES_SHIFT        = 16;
+const uint32_t P_ROC_DMD_NUM_FRAME_BUFFERS_SHIFT     = 24;
+const uint32_t P_ROC_DMD_AUTO_INC_WR_POINTER_SHIFT   = 29;
+const uint32_t P_ROC_DMD_ENABLE_FRAME_EVENTS_SHIFT   = 30;
 const uint32_t P_ROC_DMD_ENABLE_SHIFT                = 31;
 
 const uint32_t P_ROC_DMD_DOTCLK_HALF_PERIOD_SHIFT    = 0;