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stm32fsdev: set dcd_connect API definitions to strong, Modify documentation.

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This commit is contained in:
Nathan Conrad
2020-04-10 10:23:56 -04:00
parent 715c4dbbf8
commit 5bd9d14fc1
3 changed files with 7 additions and 7 deletions
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4
src/device/dcd.h
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@@ -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;

6
src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
View File

@@ -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;