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authorGravatar Robert Baldyga <r.baldyga@samsung.com> 2015-01-13 14:56:28 +0100
committerGravatar Felipe Balbi <balbi@ti.com> 2015-01-15 09:41:49 -0600
commit969678c09877fd1116be6ae304e59a27658226c2 (patch)
treee3320cc560031774e2e17c86e8af3e2849b305e4 /tools/usb/ffs-aio-example/simple/host_app
parentusb: gadget: net2280: Dont use 0 as NULL pointer (diff)
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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@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'tools/usb/ffs-aio-example/simple/host_app')
-rw-r--r--tools/usb/ffs-aio-example/simple/host_app/test.c17
1 files changed, 10 insertions, 7 deletions
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 acd6332811f3..aed86ffff280 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);