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-rw-r--r--port/ch32/usb_dc_usbhs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/port/ch32/usb_dc_usbhs.c b/port/ch32/usb_dc_usbhs.c
index 6ab8d345..359e00e6 100644
--- a/port/ch32/usb_dc_usbhs.c
+++ b/port/ch32/usb_dc_usbhs.c
@@ -233,6 +233,7 @@ int usbd_ep_start_read(const uint8_t ep, uint8_t *data, uint32_t data_len)
if (data_len == 0) {
USBHS_DEVICE->UEP0_RX_CTRL = USBHS_EP_R_RES_ACK | USBHS_EP_R_TOG_1;
} else {
+ USBHS_DEVICE->UEP0_DMA = (uint32_t)data;
USBHS_DEVICE->UEP0_RX_CTRL = USBHS_EP_R_RES_ACK | (ep0_rx_data_toggle ? USBHS_EP_R_TOG_1 : USBHS_EP_R_TOG_0);
}
return 0;