andy/tinyUSB
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Fix bug where the EPREGs were not being initialized as expected.

Browse Source
This commit is contained in:
Nathan Conrad
2019-09-11 09:43:57 -04:00
parent 9cc355d302
commit 4cf2b30759
2 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
View File

@@ -216,10 +216,11 @@ void dcd_init (uint8_t rhport)
USB->ISTR &= ~(USB_ISTR_ALL_EVENTS); // Clear pending interrupts
// Clear all EPREG
for(uint16_t i=0; i<8; i++)
// Reset endpoints to disabled
for(uint i=0; i<STFSDEV_EP_COUNT; i++)
{
EPREG(0) = 0u;
// This doesn't clear all bits since some bits are "toggle", but does set the type to DISABLED.
PCD_GET_ENDPOINT(USB,i) = 0u;
}
// Initialize the BTABLE for EP0 at this point (though setting up the EP0R is unneeded)
@@ -327,9 +328,9 @@ static void dcd_handle_bus_reset(void)
USB->DADDR = 0u; // disable USB peripheral by clearing the EF flag
// Clear all EPREG (or maybe this is automatic? I'm not sure)
for(uint16_t i=0; i<8; i++)
for(uint i=0; i<STFSDEV_EP_COUNT; i++)
{
EPREG(0) = 0u;
PCD_GET_ENDPOINT(USB,i) = 0u;
}
ep_buf_ptr = DCD_STM32_BTABLE_BASE + 8*MAX_EP_COUNT; // 8 bytes per endpoint (two TX and two RX words, each)