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| author | gdisirio <gdisirio@110e8d01-0319-4d1e-a829-52ad28d1bb01> | 2018-12-16 07:52:19 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@110e8d01-0319-4d1e-a829-52ad28d1bb01> | 2018-12-16 07:52:19 +0000 |
| commit | b79f097e36d5656b18d9d1e7b5fbea14f692618f (patch) | |
| tree | 0b56c272320ab2ce92c39a27e8ae60f4b30563c8 /os/hal/ports | |
| parent | f20ecc78178fc8cdfa682e100398c240224dbb4a (diff) | |
| download | ChibiOS-b79f097e36d5656b18d9d1e7b5fbea14f692618f.tar.gz ChibiOS-b79f097e36d5656b18d9d1e7b5fbea14f692618f.tar.bz2 ChibiOS-b79f097e36d5656b18d9d1e7b5fbea14f692618f.zip | |
Tentative fix for http://www.chibios.com/forum/viewtopic.php?f=35&t=4918&p=34444
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12471 110e8d01-0319-4d1e-a829-52ad28d1bb01
Diffstat (limited to 'os/hal/ports')
| -rw-r--r-- | os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.c b/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.c index 3ff3bc9f0..0357d1855 100644 --- a/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.c +++ b/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.c @@ -134,7 +134,9 @@ static const stm32_otg_params_t hsparams = { static void otg_core_reset(USBDriver *usbp) {
stm32_otg_t *otgp = usbp->otg;
- osalSysPolledDelayX(32);
+ /* Wait AHB idle condition.*/
+ while ((otgp->GRSTCTL & GRSTCTL_AHBIDL) == 0)
+ ;
/* Core reset and delay of at least 3 PHY cycles.*/
otgp->GRSTCTL = GRSTCTL_CSRST;
@@ -143,7 +145,7 @@ static void otg_core_reset(USBDriver *usbp) { osalSysPolledDelayX(18);
- /* Wait AHB idle condition.*/
+ /* Wait AHB idle condition again.*/
while ((otgp->GRSTCTL & GRSTCTL_AHBIDL) == 0)
;
}
|