From 16e8b89e01418f5f78f8b04ab94238df2c06162c Mon Sep 17 00:00:00 2001
From: "(no author)" <(no author)@6dc7ffe9-61d6-0310-9af1-9938baff3ed1>
Date: Wed, 23 Aug 2006 20:23:51 +0000
Subject: add usb benchmarking firmware code

git-svn-id: https://svn.openpcd.org:2342/trunk@123 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
---
 openpcd/firmware/Makefile            |  2 +-
 openpcd/firmware/src/main_usb.c      | 36 ++++++-----------------
 openpcd/firmware/src/usb_benchmark.c | 56 ++++++++++++++++++++++++++++++++++++
 3 files changed, 65 insertions(+), 29 deletions(-)
 create mode 100644 openpcd/firmware/src/usb_benchmark.c

diff --git a/openpcd/firmware/Makefile b/openpcd/firmware/Makefile
index d9f902c..4312257 100644
--- a/openpcd/firmware/Makefile
+++ b/openpcd/firmware/Makefile
@@ -76,7 +76,7 @@ SRCARM  = lib/lib_AT91SAM7.c
 SRCARM += src/pcd_enumerate.c src/fifo.c src/dbgu.c \
 	  src/led.c src/rc632.c src/rc632_highlevel.c src/req_ctx.c \
 	  src/trigger.c src/main.c src/syscalls.c src/pwm.c src/tc.c \
-	  src/usb_handler.c src/ssc.c \
+	  src/usb_handler.c src/ssc.c src/usb_benchmark.c \
 	  src/$(TARGET).c src/start/Cstartup_SAM7.c 
 ifdef DEBUG
 SRCARM += lib/vsprintf.c lib/ctype.c lib/string.c
diff --git a/openpcd/firmware/src/main_usb.c b/openpcd/firmware/src/main_usb.c
index 1002db5..ee9556c 100644
--- a/openpcd/firmware/src/main_usb.c
+++ b/openpcd/firmware/src/main_usb.c
@@ -15,30 +15,10 @@
 #include "pcd_enumerate.h"
 #include "usb_handler.h"
 
-static char usb_buf1[64];
-static char usb_buf2[64];
-static struct req_ctx dummy_rctx1;
-
-
 static void help(void)
 {
 }
 
-void _init_func(void)
-{
-	DEBUGPCR("\r\n===> main_usb <===\r\n");
-	help();
-
-	udp_init();
-
-	memset(usb_buf1, '1', sizeof(usb_buf1));
-	memset(usb_buf2, '2', sizeof(usb_buf2));
-
-	dummy_rctx1.tx.tot_len = sizeof(usb_buf1);
-	memcpy(dummy_rctx1.tx.data, usb_buf1, sizeof(usb_buf1));
-
-}
-
 int _main_dbgu(char key)
 {
 	switch (key) {
@@ -49,21 +29,21 @@ int _main_dbgu(char key)
 	return 0;
 }
 
+void _init_func(void)
+{
+	udp_init();
+	usbtest_init();
+}
+
 void _main_func(void)
 {
 	/* first we try to get rid of pending to-be-sent stuff */
 	//usb_out_process();
 
 	/* next we deal with incoming reqyests from USB EP1 (OUT) */
-	//usb_in_process();
+	usb_in_process();
 
 	/* try unthrottling sources since we now are [more] likely to
 	 * have empty request contexts */
-	//udp_unthrottle();
-
-	while (udp_refill_ep(2, &dummy_rctx1) < 0) ;
-
-	DEBUGP("S");
-
-	//led_toggle(2);
+	udp_unthrottle();
 }
diff --git a/openpcd/firmware/src/usb_benchmark.c b/openpcd/firmware/src/usb_benchmark.c
new file mode 100644
index 0000000..9f593f8
--- /dev/null
+++ b/openpcd/firmware/src/usb_benchmark.c
@@ -0,0 +1,56 @@
+#include <errno.h>
+#include <string.h>
+#include <lib_AT91SAM7.h>
+#include "openpcd.h"
+#include "led.h"
+#include "pcd_enumerate.h"
+#include "usb_handler.h"
+
+static struct req_ctx dummy_rctx;
+static struct req_ctx empty_rctx;
+
+static void usbtest_tx_transfer(unsigned int num_pkts)
+{
+	unsigned int i;
+
+	for (i = 0; i < num_pkts; i++) {
+		/* send 16 packets of 64byte */
+		while (udp_refill_ep(2, &dummy_rctx) < 0) 
+			;
+	}
+	/* send one packet of 0 byte */
+	while (udp_refill_ep(2, &empty_rctx) < 0) 
+		;
+}
+
+static int usbtest_rx(struct req_ctx *rctx)
+{
+	struct openpcd_hdr *poh = (struct openpcd_hdr *) &rctx->rx.data[0];
+	int i;
+
+	switch (poh->cmd) {
+	case OPENPCD_CMD_USBTEST_IN:
+		/* test bulk in pipe */
+		for (i = 0; i < poh->reg; i++) {
+			usbtest_tx_transfer(poh->val);
+			led_toggle(2);
+		}
+		break;
+	case OPENPCD_CMD_USBTEST_OUT:
+		/* test bulk out pipe */
+		break;
+	}
+
+	req_ctx_put(rctx);
+	return 1;
+}
+
+void usbtest_init(void)
+{
+	dummy_rctx.tx.tot_len = 64;
+	memset(dummy_rctx.tx.data, 0x23, 64);
+
+	empty_rctx.tx.tot_len = 0;
+
+	usb_hdlr_register(&usbtest_rx, OPENPCD_CMD_CLS_USBTEST);
+}
-- 
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