STM32: USB: wLength field of the setup packet is in little-endian format

This is not really necessary for this architecture, but use
usb_cpu_to_le16() just for code readability.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@4258 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/cpu/cortex-m3/drv/usb_stm32.c b/bertos/cpu/cortex-m3/drv/usb_stm32.c
index f314f99f2f17470190dd381434fb807447c3b73a..fb86f47c95be5dd9313515c7fc50f77c88b5269a 100644 (file)
--- a/bertos/cpu/cortex-m3/drv/usb_stm32.c
+++ b/bertos/cpu/cortex-m3/drv/usb_stm32.c
@@ -1101,7 +1101,7 @@ ssize_t usb_ep_read(int ep, void *buffer, ssize_t size)
        /* Non-blocking read for EP0 */
        if (ep_num == CTRL_ENP_OUT)
        {
-               size = usb_size(size, setup_packet.wLength);
+               size = usb_size(size, usb_le16_to_cpu(setup_packet.wLength));
                if (!size)
                        USB_StatusHandler(ep_num);
                else
@@ -1146,7 +1146,7 @@ ssize_t usb_ep_write(int ep, const void *buffer, ssize_t size)
        /* Non-blocking write for EP0 */
        if (ep_num == CTRL_ENP_IN)
        {
-               size = usb_size(size, setup_packet.wLength);
+               size = usb_size(size, usb_le16_to_cpu(setup_packet.wLength));
                if (!size)
                        USB_StatusHandler(ep_num);
                else
@@ -1297,7 +1297,7 @@ static int usb_get_device_descriptor(int id)
        usb_dev->device->bMaxPacketSize0 = USB_EP0_MAX_SIZE;
        __usb_ep_write(CTRL_ENP_IN, (const uint8_t *)usb_dev->device,
                        usb_size(usb_dev->device->bLength,
-                       setup_packet.wLength),
+                               usb_le16_to_cpu(setup_packet.wLength)),
                        USB_StatusHandler);
        return 0;
 }
@@ -1332,7 +1332,7 @@ static int usb_get_configuration_descriptor(int id)
        __usb_ep_write(CTRL_ENP_IN,
                        usb_cfg_buffer,
                        usb_size(p - usb_cfg_buffer,
-                               setup_packet.wLength),
+                               usb_le16_to_cpu(setup_packet.wLength)),
                        USB_StatusHandler);
        return 0;
 }
@@ -1371,7 +1371,8 @@ static int usb_get_string_descriptor(unsigned int id)
        }
        __usb_ep_write(CTRL_ENP_IN,
                        lang_str,
-                       usb_size(lang_str->bLength, setup_packet.wLength),
+                       usb_size(lang_str->bLength,
+                               usb_le16_to_cpu(setup_packet.wLength)),
                        USB_StatusHandler);
        return 0;
 }