Some updates to get pocketscrollers showing something "reasonable". Still some ghosting, but progress.

Author: dkulp

src/channeloutput/BBBMatrix.cpp

@@ -741,9 +741,14 @@ int BBBMatrix::Init(Json::Value config) {
 
         pru = root["pru"].asInt();
 
+#ifdef PLATFORM_BB64
+        // PRU -> PRU data transfer not working yet
+        m_singlePRU = true;
+#else
         if (root.isMember("singlePRU")) {
             m_singlePRU = root["singlePRU"].asBool();
         }
+#endif
         if (root.isMember("dataOffset")) {
             m_dataOffset = root["dataOffset"].asInt();
             m_dataOffset *= 1024; // dataOffset is in KB
@@ -1200,14 +1205,14 @@ int BBBMatrix::SendData(unsigned char* channelData) {
     }
     // long long cpyTime = GetTime();
     if (m_curFrame == 0) {
-        // m_curFrame = m_numFrames - 1;
-        m_curFrame = 1;
+        m_curFrame = m_numFrames - 1;
     } else {
         m_curFrame--;
     }
 
     // make sure memory is flushed before command is set to 1
     msync(ptr, m_fullFrameLen, MS_SYNC | MS_INVALIDATE);
+    __builtin___clear_cache(ptr, ptr + m_fullFrameLen);
     m_pruData->address_dma = addr;
 
     __asm__ __volatile__("" ::

src/pru/FalconMatrixCommon.asm

@@ -52,7 +52,7 @@ LDI32or16 .macro a, b
 READ_TO_FLUSH .macro
     //read the base line to make sure all SET/CLR are
     //flushed and out
-    LBBO &out_clr, gpio_base_cache, GPIO_DATAOUT, 4
+    LBBO &out_clr, gpio_base_cache, GPIO_DATAIN, 4
     .endm
 
 CLOCK_HI .macro

src/pru/FalconPRUDefs.hp

@@ -43,6 +43,7 @@
 #define GPIO_DATAOUT    (0x13C - 0x100)
 #define GPIO_CLRDATAOUT (0x190 - 0x100)
 #define GPIO_SETDATAOUT (0x194 - 0x100)
+#define GPIO_DATAIN     GPIO_DATAOUT
 
 #define GPIO_CLR_FIRST 1
 #define GPIO_SETCLRDATAOUT  GPIO_CLRDATAOUT

www/co-ledPanels.php

@@ -101,8 +101,9 @@ function printLEDPanelGammaSelect($platform, $gamma)
     echo "<input type='number' min='0.1' max='5.0' step='0.1' value='$gamma' id='LEDPanelsGamma'>";
 }
 
-function printLEDPanelInterleaveSelect($platform)
+function printLEDPanelInterleaveSelect()
 {
+    global $settings;
     echo "<select id='LEDPanelInterleave' onchange='LEDPanelLayoutChanged();'>";
 
     $values = array();
@@ -1483,7 +1484,7 @@ function LEDPanelsSizeChanged() {
         <div class="row">
                     <div class="printSettingLabelCol col-md-2 col-lg-2"><span id='LEDPanelsInterleaveLabel'><b>Panel Interleave:</b></span></div>
                     <div class="printSettingFieldCol col-md-3 col-lg-3">
-                        <?printLEDPanelInterleaveSelect($settings['Platform']);?>
+                        <?printLEDPanelInterleaveSelect();?>
                     </div>
             <?if ($settings['Platform'] == "Raspberry Pi") {?>
                     <div class="printSettingLabelCol col-md-2 col-lg-2"><span id='LEDPanelsOutputCPUPWMLabel'><b>Use CPU PWM:</b></span></div>