Diff: example2_LifeCamVX700.cpp

Revision:

1:80205a2de336

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example2_LifeCamVX700.cpp	Wed Dec 05 13:25:18 2012 +0000
@@ -0,0 +1,144 @@
+#if 0
+// example2_LifeCamVX700.cpp
+#include "mbed.h"
+#include "rtos.h"
+#include "BaseUsbHost.h"
+#define DEBUG
+#include "BaseUsbHostDebug.h"
+#define TEST
+#include "BaseUsbHostTest.h"
+#include "LifeCamVX700.h"
+#include "BaseJpegDecode.h"
+#include "Terminal.h"
+
+// LifeCamVX700
+#define WIDTH  160
+#define HEIGHT 120
+
+#define THRESHOLD 200
+
+DigitalOut led1(LED1), led2(LED2), led3(LED3), led4(LED4);
+Terminal term(USBTX, USBRX);
+
+class JpegDecode : public BaseJpegDecode {
+public:
+    uint32_t EOI_count;
+    int8_t m_buf[WIDTH/8*HEIGHT/8];
+    bool mode_CbCr;
+    JpegDecode() {
+        mode_CbCr = false;
+        EOI_count = 0;
+        memset(m_buf, 0, sizeof(m_buf));
+    }
+    virtual void outputDC(int mcu, int block, int value) {
+        if (mcu >= (WIDTH/16*HEIGHT/8)) {
+            return;
+        }
+        if (mode_CbCr) {
+            if (block == 2 || block == 3) {
+                value *= qt[1][0];
+                value /= 16;
+                m_buf[mcu*2+block-2] = value;
+            }
+        } else {
+            if (block == 0 || block == 1) {
+                value *= qt[0][0];
+                value /= 16;
+                m_buf[mcu*2+block] = value;
+            }
+        }
+    }
+    virtual void outputAC(int mcu, int block, int scan, int value){};
+    virtual void outputMARK(uint8_t c){
+        if (c == 0xd9) { // EOI
+            EOI_count++;
+            led3 = !led3;
+        }
+    };
+};
+
+JpegDecode* decode = NULL;
+void callback_motion_jpeg(uint16_t frame, uint8_t* buf, int len)
+{
+    if (decode) {
+        decode->input(buf+12, len-12);
+    }
+    if (buf[1]&1) { // FID
+        led1 = !led1;
+    }
+}
+
+BaseUsbHost *UsbHost;
+UsbHub* hub;
+ControlEp* ctlEp = NULL;
+LifeCamVX700* cam;
+
+void display_thread(void const *args) {
+    term.cls();
+    int n = 0;
+    while(1) {
+        int y;
+        for(y = 0; y < HEIGHT/8; y++) {
+            term.locate(0, y);
+            for(int x = 0; x < WIDTH/8; x++) {
+                int value = decode->m_buf[y*WIDTH/8+x];
+                term.printf("%+3d,", value);
+            }
+        }
+        term.locate(0, y);
+        term.printf("[%s width=%d height=%d yblock=%d %u]\n", decode->mode_CbCr ? "CbCr": "Y0Y1",  
+            decode->width, decode->height, decode->yblock, decode->EOI_count);
+        term.printf("[CC:"); 
+        for(int i = 0; i < 16; i++) {
+            term.printf(" %u", cam->report_cc_count[i]); 
+        }
+        term.printf("]\n"); 
+        term.printf("[PS:"); 
+        for(int i = 0; i < 16; i++) {
+            term.printf(" %u", cam->report_ps_cc_count[i]); 
+        }
+        term.printf("]\n"); 
+        Thread::wait(200);
+        //Thread::signal_wait(1, 2000);
+        led2 = !led2;
+        if (n++ > (20000/200)) {
+            n = 0;
+            decode->mode_CbCr = !decode->mode_CbCr;
+        }
+    }
+}
+
+int main() {
+    term.baud(921600);
+    term.printf("%s\n", __FILE__);
+
+    decode = new JpegDecode;
+    TEST_ASSERT(decode);
+
+    UsbHost = new BaseUsbHost;
+    TEST_ASSERT_TRUE(UsbHost);
+
+    UsbHub* hub = new UsbHub();
+    TEST_ASSERT_TRUE(hub);
+
+    for(int i = 0; i < MAX_HUB_PORT; i++) {
+        if (LifeCamVX700::check(hub->PortEp[i])) {
+            ctlEp = hub->PortEp[i];
+            break;
+        }
+    }
+    if (ctlEp == NULL) {
+        error("LifeCamVX700 not found\n");
+    }
+    
+    cam = new LifeCamVX700(VX700_160x120, _5FPS, ctlEp); 
+    TEST_ASSERT_TRUE(cam);
+    cam->setOnResult(callback_motion_jpeg);
+
+    Thread thread(display_thread, NULL, osPriorityBelowNormal);
+ 
+    while(1) {
+        cam->poll();
+    }
+}
+#endif