diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_otgfsdev.c')
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_otgfsdev.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_otgfsdev.c b/nuttx/arch/arm/src/stm32/stm32_otgfsdev.c index 2d6ca9831..94772b693 100644 --- a/nuttx/arch/arm/src/stm32/stm32_otgfsdev.c +++ b/nuttx/arch/arm/src/stm32/stm32_otgfsdev.c @@ -3651,10 +3651,14 @@ static int stm32_epout_configure(FAR struct stm32_ep_s *privep, uint8_t eptype, regval = stm32_getreg(regaddr); if ((regval & OTGFS_DOEPCTL_USBAEP) == 0) { - regval &= ~(OTGFS_DOEPCTL_MPSIZ_MASK | OTGFS_DIEPCTL_EPTYP_MASK | OTGFS_DIEPCTL_TXFNUM_MASK); + if (regval & OTGFS_DOEPCTL_NAKSTS) + { + regval |= OTGFS_DOEPCTL_CNAK; + } + + regval &= ~(OTGFS_DOEPCTL_MPSIZ_MASK | OTGFS_DOEPCTL_EPTYP_MASK); regval |= mpsiz; regval |= (eptype << OTGFS_DOEPCTL_EPTYP_SHIFT); - regval |= (eptype << OTGFS_DIEPCTL_TXFNUM_SHIFT); regval |= (OTGFS_DOEPCTL_SD0PID | OTGFS_DOEPCTL_USBAEP); stm32_putreg(regval, regaddr); @@ -3743,6 +3747,11 @@ static int stm32_epin_configure(FAR struct stm32_ep_s *privep, uint8_t eptype, regval = stm32_getreg(regaddr); if ((regval & OTGFS_DIEPCTL_USBAEP) == 0) { + if (regval & OTGFS_DIEPCTL_NAKSTS) + { + regval |= OTGFS_DIEPCTL_CNAK; + } + regval &= ~(OTGFS_DIEPCTL_MPSIZ_MASK | OTGFS_DIEPCTL_EPTYP_MASK | OTGFS_DIEPCTL_TXFNUM_MASK); regval |= mpsiz; regval |= (eptype << OTGFS_DIEPCTL_EPTYP_SHIFT); |