diff options
| -rw-r--r-- | os/hal/platforms/STM32/OTGv1/usb_lld.c | 4 | ||||
| -rw-r--r-- | readme.txt | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32/OTGv1/usb_lld.c b/os/hal/platforms/STM32/OTGv1/usb_lld.c index f6287a49c..4af75ccd2 100644 --- a/os/hal/platforms/STM32/OTGv1/usb_lld.c +++ b/os/hal/platforms/STM32/OTGv1/usb_lld.c @@ -128,11 +128,15 @@ static void usb_lld_wakeup_pump(USBDriver *usbp) { static void otg_core_reset(USBDriver *usbp) {
stm32_otg_t *otgp = usbp->otg;
+ halPolledDelay(32);
+
/* Core reset and delay of at least 3 PHY cycles.*/
otgp->GRSTCTL = GRSTCTL_CSRST;
while ((otgp->GRSTCTL & GRSTCTL_CSRST) != 0)
;
+
halPolledDelay(12);
+
/* Wait AHB idle condition.*/
while ((otgp->GRSTCTL & GRSTCTL_AHBIDL) == 0)
;
diff --git a/readme.txt b/readme.txt index 4317f462f..a37766a09 100644 --- a/readme.txt +++ b/readme.txt @@ -89,6 +89,8 @@ *****************************************************************************
*** 2.7.0 ***
+- FIX: Fixed timing issue in the STM32 OTGv1 USB driver (bug #436)(backported
+ to 2.6.2).
- FIX: Fixed possible unalignment in GCC Cortex-M scatter files (bug #430)
(backported to 2.6.2 and 2.4.6).
- FIX: Fixed PAL driver documentation error (bug #427)(backported to 2.6.1
|