zcy
/
tinySA
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6403 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2013-11-02 10:46:10 +00:00
parent 289c938273
commit 655de2175f
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
os/hal/ports/STM32/OTGv1/usb_lld.c
View File

@ -112,11 +112,15 @@ static const stm32_otg_params_t hsparams = {
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)
;
osalSysPolledDelayX(12);
halPolledDelay(12);
/* Wait AHB idle condition.*/
while ((otgp->GRSTCTL & GRSTCTL_AHBIDL) == 0)
;