From 0b624384cd52be20e61284551d832b499d7b7707 Mon Sep 17 00:00:00 2001
From: Jonathan McCrohan <jmccrohan@gmail.com>
Date: Sat, 14 Apr 2012 12:56:48 +0100
Subject: Imported Upstream version 2.1.8.20120216

---
 cphidgetgeneric.c | 119 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 cphidgetgeneric.c

(limited to 'cphidgetgeneric.c')

diff --git a/cphidgetgeneric.c b/cphidgetgeneric.c
new file mode 100644
index 0000000..4534355
--- /dev/null
+++ b/cphidgetgeneric.c
@@ -0,0 +1,119 @@
+#include "stdafx.h"
+#include "cphidgetgeneric.h"
+#include "cusb.h"
+#include "csocket.h"
+#include "cthread.h"
+
+// === Internal Functions === //
+
+//clearVars - sets all device variables to unknown state
+CPHIDGETCLEARVARS(Generic)
+	ZEROMEM(phid->lastPacket, MAX_IN_PACKET_SIZE);
+
+	return EPHIDGET_OK;
+}
+
+//initAfterOpen - sets up the initial state of an object, reading in packets from the device if needed
+//				  used during attach initialization - on every attach
+CPHIDGETINIT(Generic)
+	TESTPTR(phid);
+
+	//Make sure no old writes are still pending
+	phid->outputPacketLen = 0;
+
+	ZEROMEM(phid->lastPacket, MAX_IN_PACKET_SIZE);
+
+	phid->out = phid->phid.outputReportByteLength;
+	phid->in = phid->phid.inputReportByteLength;
+
+	
+#ifdef _WINDOWS
+	phid->out--;
+	phid->in--;
+#endif
+
+	return EPHIDGET_OK;
+}
+
+//dataInput - parses device packets
+CPHIDGETDATA(Generic)
+	if (length<0) return EPHIDGET_INVALIDARG;
+	TESTPTR(phid);
+	TESTPTR(buffer);
+
+#ifdef _WINDOWS
+	length--;
+#endif
+
+	FIRE(Packet, buffer, length);
+	memcpy(phid->lastPacket, buffer, length);
+
+	return EPHIDGET_OK;
+}
+
+//eventsAfterOpen - sends out an event for all valid data, used during attach initialization
+CPHIDGETINITEVENTS(Generic)
+	TESTPTR(phid);
+	return EPHIDGET_OK;
+}
+
+//getPacket - used by write thread to get the next packet to send to device
+CGETPACKET_BUF(Generic)
+
+//sendpacket - sends a packet to the device asynchronously, blocking if the 1-packet queue is full
+CSENDPACKET_BUF(Generic)
+
+// === Exported Functions === //
+
+//create and initialize a device structure
+CCREATE(Generic, PHIDCLASS_GENERIC)
+
+//event setup functions
+CFHANDLE(Generic, Packet,const unsigned char *, int)
+
+CGET(Generic,INPacketLength,int)
+	TESTPTRS(phid,pVal) 	
+	TESTDEVICETYPE(PHIDCLASS_GENERIC)
+	TESTATTACHED
+	MASGN(in)
+}
+
+CGET(Generic,OUTPacketLength,int)
+	TESTPTRS(phid,pVal) 	
+	TESTDEVICETYPE(PHIDCLASS_GENERIC)
+	TESTATTACHED
+	MASGN(out)
+}
+
+int CCONV
+CPhidgetGeneric_setPacket(CPhidgetGenericHandle phid, unsigned char *packet, int length)
+{
+	int ret = 0;
+
+	TESTPTR(phid)
+	TESTDEVICETYPE(PHIDCLASS_GENERIC)
+	TESTATTACHED
+
+	if(length!=phid->out)
+		return EPHIDGET_INVALIDARG;
+
+	CThread_mutex_lock(&phid->phid.writelock);
+	ret = CPhidgetGeneric_sendpacket(phid, packet);
+	CThread_mutex_unlock(&phid->phid.writelock);
+	if(ret) return ret;
+
+	return EPHIDGET_OK;
+}
+
+int CCONV
+CPhidgetGeneric_getLastPacket(CPhidgetGenericHandle phid, const unsigned char **packet, int *length)
+{
+	TESTPTRS(phid, packet)
+	TESTPTR(length)
+	TESTDEVICETYPE(PHIDCLASS_GENERIC)
+	TESTATTACHED
+
+	*packet = phid->lastPacket;
+	*length = phid->in;
+	return EPHIDGET_OK;
+}
-- 
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