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Message-id: <1421157388-18683-1-git-send-email-r.baldyga@samsung.com>
Date: Tue, 13 Jan 2015 14:56:28 +0100
From: Robert Baldyga <r.baldyga@...sung.com>
To: balbi@...com
Cc: mina86@...a86.com, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org, m.szyprowski@...sung.com,
Robert Baldyga <r.baldyga@...sung.com>
Subject: [PATCH] tools: ffs-aio-example: use endpoint addresses from descriptors
This makes examples more platform independent and more compatible with
USB standard, as endpoint addresses in given interface may differ
between hardware platforms or even between configurations in single
USB device.
Signed-off-by: Robert Baldyga <r.baldyga@...sung.com>
---
tools/usb/ffs-aio-example/multibuff/host_app/test.c | 14 ++++++++------
tools/usb/ffs-aio-example/simple/host_app/test.c | 17 ++++++++++-------
2 files changed, 18 insertions(+), 13 deletions(-)
diff --git a/tools/usb/ffs-aio-example/multibuff/host_app/test.c b/tools/usb/ffs-aio-example/multibuff/host_app/test.c
index daa3abe..2cbcce6 100644
--- a/tools/usb/ffs-aio-example/multibuff/host_app/test.c
+++ b/tools/usb/ffs-aio-example/multibuff/host_app/test.c
@@ -33,11 +33,6 @@
#define VENDOR 0x1d6b
#define PRODUCT 0x0105
-/* endpoints indexes */
-
-#define EP_BULK_IN (1 | LIBUSB_ENDPOINT_IN)
-#define EP_BULK_OUT (2 | LIBUSB_ENDPOINT_OUT)
-
#define BUF_LEN 8192
/*
@@ -159,14 +154,21 @@ void test_exit(struct test_state *state)
int main(void)
{
struct test_state state;
+ struct libusb_config_descriptor *conf;
+ struct libusb_interface_descriptor const *iface;
+ unsigned char addr;
if (test_init(&state))
return 1;
+ libusb_get_config_descriptor(state.found, 0, &conf);
+ iface = &conf->interface[0].altsetting[0];
+ addr = iface->endpoint[0].bEndpointAddress;
+
while (1) {
static unsigned char buffer[BUF_LEN];
int bytes;
- libusb_bulk_transfer(state.handle, EP_BULK_IN, buffer, BUF_LEN,
+ libusb_bulk_transfer(state.handle, addr, buffer, BUF_LEN,
&bytes, 500);
}
test_exit(&state);
diff --git a/tools/usb/ffs-aio-example/simple/host_app/test.c b/tools/usb/ffs-aio-example/simple/host_app/test.c
index acd6332..aed86ff 100644
--- a/tools/usb/ffs-aio-example/simple/host_app/test.c
+++ b/tools/usb/ffs-aio-example/simple/host_app/test.c
@@ -33,11 +33,6 @@
#define VENDOR 0x1d6b
#define PRODUCT 0x0105
-/* endpoints indexes */
-
-#define EP_BULK_IN (1 | LIBUSB_ENDPOINT_IN)
-#define EP_BULK_OUT (2 | LIBUSB_ENDPOINT_OUT)
-
#define BUF_LEN 8192
/*
@@ -159,16 +154,24 @@ void test_exit(struct test_state *state)
int main(void)
{
struct test_state state;
+ struct libusb_config_descriptor *conf;
+ struct libusb_interface_descriptor const *iface;
+ unsigned char in_addr, out_addr;
if (test_init(&state))
return 1;
+ libusb_get_config_descriptor(state.found, 0, &conf);
+ iface = &conf->interface[0].altsetting[0];
+ in_addr = iface->endpoint[0].bEndpointAddress;
+ out_addr = iface->endpoint[1].bEndpointAddress;
+
while (1) {
static unsigned char buffer[BUF_LEN];
int bytes;
- libusb_bulk_transfer(state.handle, EP_BULK_IN, buffer, BUF_LEN,
+ libusb_bulk_transfer(state.handle, in_addr, buffer, BUF_LEN,
&bytes, 500);
- libusb_bulk_transfer(state.handle, EP_BULK_OUT, buffer, BUF_LEN,
+ libusb_bulk_transfer(state.handle, out_addr, buffer, BUF_LEN,
&bytes, 500);
}
test_exit(&state);
--
1.9.1
--
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