Integrated pixy into emulator. Pixy is no longer in the common/libs folder but in emulator/libs and discovery/libs

discovery/libs/Pixy/src/usblink.cpp

@@ -0,0 +1,52 @@
+#include <unistd.h>
+#include <stdio.h>
+#include "usblink.h"
+#include "pixy.h"
+#include "debuglog.h"
+
+extern "C" {
+  extern int USBH_LL_open();
+  extern int USBH_LL_close();
+  extern int USBH_LL_send(const uint8_t *data, uint32_t len, uint16_t timeoutMs);
+  extern int USBH_LL_receive(uint8_t *data, uint32_t len, uint16_t timeoutMs);
+  extern void USBH_LL_setTimer();
+  extern uint32_t USBH_LL_getTimer();
+}
+
+
+USBLink::USBLink()
+{
+  m_blockSize = 64;
+  m_flags = LINK_FLAG_ERROR_CORRECTED;
+}
+
+USBLink::~USBLink()
+{
+    USBH_LL_close();
+}
+
+int USBLink::open()
+{
+    return USBH_LL_open();
+}
+
+int USBLink::send(const uint8_t *data, uint32_t len, uint16_t timeoutMs)
+{
+    return USBH_LL_send(data,len,timeoutMs);
+}
+
+int USBLink::receive(uint8_t *data, uint32_t len, uint16_t timeoutMs)
+{
+    return USBH_LL_receive(data,len,timeoutMs);
+}
+
+void USBLink::setTimer()
+{
+    USBH_LL_setTimer();
+}
+
+uint32_t USBLink::getTimer()
+{
+  return USBH_LL_getTimer();
+}
+