diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/device/dcd.h | 4 | ||||
| -rw-r--r-- | src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c | 6 |
2 files changed, 5 insertions, 5 deletions
diff --git a/src/device/dcd.h b/src/device/dcd.h index f6a8aebbf..c053229ec 100644 --- a/src/device/dcd.h +++ b/src/device/dcd.h @@ -107,8 +107,8 @@ void dcd_set_config (uint8_t rhport, uint8_t config_num); void dcd_remote_wakeup(uint8_t rhport); // Connect or disconnect D+/D- line pull-up resistor. -// Defined as weak in dcd source if MCU has internal pull-up. -// Can be strongly defined in BSP. +// Defined in dcd source if MCU has internal pull-up. +// Otherwise, may be defined in BSP. void dcd_connect(uint8_t rhport) TU_ATTR_WEAK; void dcd_disconnect(uint8_t rhport) TU_ATTR_WEAK; diff --git a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c index b893ec05a..3cd35cca4 100644 --- a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c +++ b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c @@ -243,17 +243,17 @@ void dcd_init (uint8_t rhport) // Data-line pull-up is left disconnected. } -// Define only on MCU with internal pull-up so BSP can override (needed on MCU without internal pull-up) +// Define only on MCU with internal pull-up. BSP can define on MCU without internal PU. #if defined(USB_BCDR_DPPU) -TU_ATTR_WEAK +// Disable internal D+ PU void dcd_disconnect(uint8_t rhport) { (void) rhport; USB->BCDR &= ~(USB_BCDR_DPPU); } -TU_ATTR_WEAK +// Enable internal D+ PU void dcd_connect(uint8_t rhport) { (void) rhport; |