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ST FSDEV:Remove setting the EP kind, as I think it was causing issues during enumeration (sometimes). Also move a membar.

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This commit is contained in:
Nathan Conrad 2019-09-25 20:17:53 -04:00
parent 9a8d23e95e
commit 048e0448c0
1 changed files with 10 additions and 9 deletions
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19
src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
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@ -252,7 +252,9 @@ void dcd_init (uint8_t rhport)
void dcd_int_enable (uint8_t rhport)
{
(void)rhport;
// Member here forces write to RAM before allowing ISR to execute
__DSB();
__ISB();
#if CFG_TUSB_MCU == OPT_MCU_STM32F0 || CFG_TUSB_MCU == OPT_MCU_STM32L0
NVIC_EnableIRQ(USB_IRQn);
#elif CFG_TUSB_MCU == OPT_MCU_STM32F3
@ -276,10 +278,7 @@ void dcd_int_disable(uint8_t rhport)
#else
#error Unknown arch in USB driver
#endif
// I'm not convinced that memory synchronization is completely necessary, but
// it isn't a bad idea.
__DSB();
__ISB();
// CMSIS has a membar after disabling interrupts
}
// Receive Set Address request, mcu port must also include status IN response
@ -440,10 +439,10 @@ static uint16_t dcd_ep_ctr_handler(void)
}
/* Process Control Data OUT status Packet*/
if(EPindex == 0u && xfer->total_len == 0u)
/*if(EPindex == 0u && xfer->total_len == 0u)
{
pcd_clear_ep_kind(USB,0); // Good, so allow non-zero length packets now.
}
}*/
dcd_event_xfer_complete(0, EPindex, xfer->total_len, XFER_RESULT_SUCCESS, true);
pcd_set_ep_rx_cnt(USB, EPindex, CFG_TUD_ENDPOINT0_SIZE);
@ -627,7 +626,9 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc
}
pcd_set_ep_address(USB, epnum, epnum);
pcd_clear_ep_kind(USB,0); // Be normal, for now, instead of only accepting zero-byte packets
// Be normal, for now, instead of only accepting zero-byte packets (on control endpoint)
// or being double-buffered (bulk endpoints)
pcd_clear_ep_kind(USB,0);
if(dir == TUSB_DIR_IN)
{
@ -688,7 +689,7 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
if (epnum == 0 && buffer == NULL)
{
xfer->buffer = (uint8_t*)_setup_packet;
pcd_set_ep_kind(USB,0); // Expect a zero-byte INPUT
//pcd_set_ep_kind(USB,0); // Expect a zero-byte INPUT
}
if(total_bytes > xfer->max_packet_size)
{