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fix(usbh_serial): fix serial iobuffer size, remove length limit of write

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Signed-off-by: sakumisu <1203593632@qq.com>
This commit is contained in:
sakumisu
2025-12-17 20:42:40 +08:00
parent baf2a56c93
commit a6ffbd3600
4 changed files with 12 additions and 7 deletions
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4
class/serial/usbh_serial.c
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@@ -21,7 +21,7 @@ static struct usbh_serial g_serial_class[CONFIG_USBHOST_MAX_SERIAL_CLASS];
static uint32_t g_devinuse = 0;
static uint32_t g_cdcacm_devinuse = 0;
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t g_serial_iobuffer[CONFIG_USBHOST_MAX_SERIAL_CLASS][USB_ALIGN_UP((USBH_SERIAL_INT_NOCACHE_OFFSET + USBH_SERIAL_INT_NOCACHE_SIZE), CONFIG_USB_ALIGN_SIZE)];
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t g_serial_iobuffer[CONFIG_USBHOST_MAX_SERIAL_CLASS][USB_ALIGN_UP((USBH_SERIAL_RX2_NOCACHE_OFFSET + USBH_SERIAL_RX2_NOCACHE_SIZE), CONFIG_USB_ALIGN_SIZE)];
/* refer to cherryrb */
static int usbh_serial_ringbuffer_init(usbh_serial_ringbuf_t *rb, void *pool, uint32_t size)
@@ -540,7 +540,7 @@ int usbh_serial_write(struct usbh_serial *serial, const void *buffer, uint32_t b
urb = &serial->bulkout_urb;
usbh_bulk_urb_fill(urb, serial->hport, serial->bulkout, (uint8_t *)buffer, serial->line_coding.dwDTERate ? MIN(buflen, serial->bulkout->wMaxPacketSize) : buflen, 0xffffffff, NULL, NULL);
usbh_bulk_urb_fill(urb, serial->hport, serial->bulkout, (uint8_t *)buffer, buflen, 0xffffffff, NULL, NULL);
ret = usbh_submit_urb(urb);
if (ret == 0) {
ret = urb->actual_length;