Norimasa Okamoto
Simple USBHost WebCam for EA LPC4088 QSB/LPC1768 test program
Dependencies: LPC4088-USBHost mbed
EA LPC4088 QSB/LPC1768をUSBホストにしてWebカメラからJPEG画像を読み取るテストプログラムです。
The usage is the same as KL46Z-USBHostC270_example.
使い方はKL46Z-USBHostC270_exampleと同じです。
動作確認： Logitech C270,Logitech Q200R(Qcam Orbit AF)
Diff: LPC4088-USBHost/USBHost/BaseUsbHostDebug.cpp
- Revision:
- 0:c972ee42b455
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/LPC4088-USBHost/USBHost/BaseUsbHostDebug.cpp Thu Apr 24 05:38:45 2014 +0000
@@ -0,0 +1,98 @@
+// BaseUseHostDebug.cpp 2014/4/21
+#include "USBHost.h"
+#include "BaseUsbHostDebug.h"
+
+void print_td(FILE* stream, HCTD* td)
+{
+ if (td == NULL) {
+ fprintf(stream, "TD %p:\n", td);
+ return;
+ }
+ uint32_t* p = reinterpret_cast<uint32_t*>(td);
+ fprintf(stream, "TD %p: %08X %08X %08X %08X", p, p[0], p[1], p[2], p[3]);
+ fprintf(stream, " ep=%p\n", td->ep);
+ uint8_t* bp = reinterpret_cast<uint8_t*>(p[1]);
+ uint8_t* be = reinterpret_cast<uint8_t*>(p[3]);
+ if (bp) {
+ fprintf(stream, "BF %p:", bp);
+ while(bp <= be) {
+ fprintf(stream, " %02X", *bp);
+ bp++;
+ }
+ fprintf(stream, "\n");
+ }
+}
+
+void print_ed(FILE* stream, HCED* ed)
+{
+ uint32_t* p = reinterpret_cast<uint32_t*>(ed);
+ while(p) {
+ fprintf(stream, "ED %p: %08X %08X %08X %08X\n", p, p[0], p[1], p[2], p[3]);
+ HCTD* td = reinterpret_cast<HCTD*>(p[2] & ~3);
+ HCTD* tdtail = reinterpret_cast<HCTD*>(p[1]);
+ while(td != NULL && td != tdtail) {
+ print_td(stream, td);
+ td = td->Next;
+ }
+ p = reinterpret_cast<uint32_t*>(p[3]);
+ }
+}
+
+void print_itd(FILE* stream, HCITD* itd)
+{
+ if (itd == NULL) {
+ fprintf(stream, "ITD %p:\n", itd);
+ return;
+ }
+ uint32_t* p = reinterpret_cast<uint32_t*>(itd);
+ fprintf(stream, "ITD %p: %08X %08X %08X %08X", p, p[0], p[1], p[2], p[3]);
+ fprintf(stream, " ep=%p\n", itd->ep);
+ uint16_t* offset = reinterpret_cast<uint16_t*>(p+4);
+ fprintf(stream, "ITD %p: %04X %04X %04X %04X %04X %04X %04X %04X\n", offset,
+ offset[0], offset[1], offset[2], offset[3], offset[4], offset[5], offset[6], offset[7]);
+}
+
+void print_ied(FILE* stream, HCED* ed)
+{
+ uint32_t* p = reinterpret_cast<uint32_t*>(ed);
+ while(p) {
+ fprintf(stream, "ED %p: %08X %08X %08X %08X\n", p, p[0], p[1], p[2], p[3]);
+ HCITD* itd = reinterpret_cast<HCITD*>(p[2] & ~3);
+ HCITD* itdtail = reinterpret_cast<HCITD*>(p[1]);
+ while(itd != NULL && itd != itdtail) {
+ print_itd(stream, itd);
+ itd = itd->Next;
+ }
+ p = reinterpret_cast<uint32_t*>(p[3]);
+ }
+}
+
+void print_bytes(FILE* stream, char* s, uint8_t* buf, int len)
+{
+ fprintf(stream, "%s %d:", s, len);
+ for(int i = 0; i < len; i++) {
+ fprintf(stream, " %02X", buf[i]);
+ }
+ fprintf(stream, "\n");
+}
+
+void print_hex(FILE* stream, uint8_t* p, int len)
+{
+ for(int i = 0; i < len; i++) {
+ if (i%16 == 0) {
+ fprintf(stream, "%p:", p);
+ }
+ fprintf(stream, " %02X", *p);
+ p++;
+ if (i%16 == 15) {
+ fprintf(stream, "\n");
+ }
+ }
+ fprintf(stream, "\n");
+}
+
+void assert_print(const char* pf, int line, const char* msg) {
+ fprintf(stderr, "\n\n%s@%d %s ASSERT!\n\n", pf, line, msg);
+ exit(1);
+}
+