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tests: drivers: udc: Add support for uni-directional data endpoints #94345

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Merged
henrikbrixandersen merged 1 commit into from
May 4, 2026
Merged

tests: drivers: udc: Add support for uni-directional data endpoints #94345

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55 changes: 47 additions & 8 deletions tests/drivers/udc/src/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -103,9 +103,25 @@ static void test_udc_ep_try_config(const struct device *dev,
uint16_t mps = sys_le16_to_cpu(ed->wMaxPacketSize);
int err;

err = udc_ep_try_config(dev, ed->bEndpointAddress,
ed->bmAttributes, &mps,
ed->bInterval);
for (int idx = 0; idx < 16U; idx++) {
uint8_t ep;

if (USB_EP_DIR_IS_IN(ed->bEndpointAddress)) {
ep = USB_EP_DIR_IN | idx;
} else {
ep = USB_EP_DIR_OUT | idx;
}

err = udc_ep_try_config(dev, ep,
ed->bmAttributes, &mps,
ed->bInterval);

if (!err) {
ed->bEndpointAddress = ep;
break;
}
}

zassert_equal(err, 0, "Failed to test endpoint configuration");

if (ed->bmAttributes == USB_EP_TYPE_CONTROL ||
Expand Down Expand Up @@ -365,7 +381,10 @@ static void test_udc_ep_mps(uint8_t type)
.bInterval = 0,
};
const struct device *dev;
uint16_t supported = 0;
uint16_t out_supported = 0;
uint16_t in_supported = 0;
uint16_t out_ep = 0;
uint16_t in_ep = 0;
int err;

dev = DEVICE_DT_GET(DT_NODELABEL(zephyr_udc0));
Expand All @@ -383,25 +402,45 @@ static void test_udc_ep_mps(uint8_t type)

for (uint8_t i = 1; i < 16U; i++) {
err = udc_ep_try_config(dev, i,
ed.bmAttributes, &supported,
ed.bmAttributes, &out_supported,
ed.bInterval);
if (!err) {
out_ep = i;
break;
}
}

for (uint8_t i = 1; i < 16U; i++) {
err = udc_ep_try_config(dev, i | USB_EP_DIR_IN,
ed.bmAttributes, &in_supported,
ed.bInterval);
if (!err) {
ed.bEndpointAddress = i;
in_ep = i | USB_EP_DIR_IN;
break;
}
}

zassert_ok(err, "Failed to determine MPS");

for (int i = 0; i < ARRAY_SIZE(mps); i++) {
if (mps[i] > supported) {
if (mps[i] > out_supported) {
continue;
}

ed.bEndpointAddress = out_ep;
ed.wMaxPacketSize = sys_cpu_to_le16(mps[i]);

test_udc_ep_api(dev, &ed);
}

for (int i = 0; i < ARRAY_SIZE(mps); i++) {
if (mps[i] > in_supported) {
continue;
}

ed.bEndpointAddress = in_ep;
ed.wMaxPacketSize = sys_cpu_to_le16(mps[i]);

ed.bEndpointAddress |= USB_EP_DIR_IN;
test_udc_ep_api(dev, &ed);
}

Expand Down
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