patrick/zephyr
1
0
Fork 0
Code Issues Pull requests Actions 8 Packages Projects Releases Wiki Activity

drivers: usb_dc_rpi_pico: fixed buffer status handling

Browse source 
The buf_status register is 32 bit wide but was saved in a
uint8_t. This caused some buffers never to be handled which
results in the pico getting stuck in the interrupt handler.

Signed-off-by: Lukas Gehreke <lk.gehreke@gmail.com>
This commit is contained in:
Lukas Gehreke 2022-11-10 14:19:48 +01:00 committed by Fabio Baltieri
parent f467410088
commit 1bd931ab66
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/usb/device/usb_dc_rpi_pico.c
View file

@ -10,6 +10,7 @@
#include <hardware/structs/usb.h>
#include <hardware/resets.h>
#include <zephyr/kernel.h>
#include <zephyr/usb/usb_device.h>
#include <zephyr/sys/util.h>
#include <zephyr/logging/log.h>
@ -136,7 +137,7 @@ static void udc_rpi_handle_buff_status(void)
{
struct udc_rpi_ep_state *ep_state;
enum usb_dc_ep_cb_status_code status_code;
uint8_t status = usb_hw->buf_status;
uint32_t status = usb_hw->buf_status;
unsigned int bit = 1U;
struct cb_msg msg;