David Smart / RA8875 Featured

Library to control a Graphics TFT connected to 4-wire SPI - revised for the Raio RA8875 Display Controller.

Dependents:   FRDM_RA8875_mPaint RA8875_Demo RA8875_KeyPadDemo SignalGenerator ... more

Fork of SPI_TFT by Peter Drescher

See Components - RA8875 Based Display

Enhanced touch-screen support - where it previous supported both the Resistive Touch and Capacitive Touch based on the FT5206 Touch Controller, now it also has support for the GSL1680 Touch Controller.

Offline Help Manual (Windows chm)

/media/uploads/WiredHome/ra8875.zip.bin (download, rename to .zip and unzip)

Diff: GraphicsDisplayJPEG.cpp

Revision:
121:6bc4911f5e55
Parent:
120:be2aaa3adf72
Child:
136:224e03d5c31f
--- a/GraphicsDisplayJPEG.cpp	Mon May 16 22:31:13 2016 +0000
+++ b/GraphicsDisplayJPEG.cpp	Tue May 17 22:05:43 2016 +0000
@@ -22,7 +22,7 @@
 
 #include "GraphicsDisplay.h"
 
-#define DEBUG "JPEG"
+//#define DEBUG "JPEG"
 // ...
 // INFO("Stuff to show %d", var); // new-line is automatically appended
 //
@@ -36,7 +36,7 @@
     char buf[100] = "0000: ";
 
     if (*title)
-        INFO("%s", title);
+        INFO("%s @%p", title, p);
     for (i=0; i<count; ) {
         sprintf(buf + strlen(buf), "%02X ", *(p+i));
         if ((++i & 0x0F) == 0x00) {
@@ -242,7 +242,7 @@
     uint16_t hc, *ph;
 
     INFO("create_huffman_tbl(%p,%p,%d)", jd, data, ndata);
-    HexDump("JDEC", (uint8_t *)jd, sizeof(JDEC));
+    HexDump("JDEC - create_huffman_tbl entry", (uint8_t *)jd, sizeof(JDEC));
     while (ndata) { /* Process all tables in the segment */
         if (ndata < 17) return JDR_FMT1;    /* Err: wrong data size */
         ndata -= 17;
@@ -294,6 +294,7 @@
         }
     }
 
+    HexDump("JDEC - create_huffman_tbl exit", (uint8_t *)jd, sizeof(JDEC));
     return JDR_OK;
 }
 
@@ -896,7 +897,7 @@
     JRESULT rc;
 
     INFO("jd_prepare(%p,%p,%p,%d,%p)", jd, infunc, pool, sz_pool, dev);
-    HexDump("JDEC", (uint8_t *)jd, sizeof(JDEC));
+    HexDump("JDEC 1", (uint8_t *)jd, sizeof(JDEC));
 
     if (!pool) {
         ERR("JDR_PAR");
@@ -918,12 +919,14 @@
         }
     }
     for (i = 0; i < 4; i++) jd->qttbl[i] = 0;
+    HexDump("JDEC 2", (uint8_t *)jd, sizeof(JDEC));
 
     jd->inbuf = seg = (uint8_t *)alloc_pool(jd, JD_SZBUF);     /* Allocate stream input buffer */
     if (!seg) {
         ERR("JDR_MEM1");
         return JDR_MEM1;
     }
+    HexDump("JDEC 3", (uint8_t *)jd, sizeof(JDEC));
 
     if (getJpegData(jd, seg, 2) != 2) {
         ERR("JDR_INP");