diff options
| author | Damien George <damien@micropython.org> | 2020-12-07 16:19:12 +1100 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2020-12-10 12:26:25 +1100 |
| commit | f305c62a5fccb376db773fde6273e64e1fa9948f (patch) | |
| tree | 114df50a97c4ed9a715fca7bf5770812ea6afb61 | |
| parent | f694a6fa20652e327151ac537b79180930c54ca0 (diff) | |
stm32/usb: Allocate 128 bytes to CDC data out EPs on non-multi-OTG MCUs.
This much buffer space is required for CDC data out endpoints to avoid any
buffer overflows when the USB CDC is saturated with data.
Signed-off-by: Damien George <damien@micropython.org>
| -rw-r--r-- | ports/stm32/usb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ports/stm32/usb.c b/ports/stm32/usb.c index 968b2999c..5003bb27c 100644 --- a/ports/stm32/usb.c +++ b/ports/stm32/usb.c @@ -102,8 +102,8 @@ STATIC const uint8_t usbd_fifo_size_cdc1[USBD_PMA_NUM_FIFO] = { #if MICROPY_HW_USB_CDC_NUM >= 2 STATIC const uint8_t usbd_fifo_size_cdc2[USBD_PMA_NUM_FIFO] = { 8, 8, 16, 16, // EP0(out), EP0(in), MSC/HID(out), MSC/HID(in) - 0, 8, 12, 12, // unused, CDC_CMD(in), CDC_DATA(out), CDC_DATA(in) - 0, 8, 12, 12, // unused, CDC2_CMD(in), CDC2_DATA(out), CDC2_DATA(in) + 0, 8, 16, 8, // unused, CDC_CMD(in), CDC_DATA(out), CDC_DATA(in) + 0, 8, 16, 8, // unused, CDC2_CMD(in), CDC2_DATA(out), CDC2_DATA(in) 0, 0, 0, 0, // 4x unused }; |