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Fix dcd_edpt_clear_stall to reset data toggle

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This commit is contained in:
kkitayam
2021-09-10 00:18:43 +09:00
parent d7238d9a86
commit 2998f67eac
1 changed files with 19 additions and 11 deletions
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30
src/portable/nxp/khci/dcd_khci.c
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@@ -323,7 +323,7 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
const unsigned xfer = ep_desc->bmAttributes.xfer;
endpoint_state_t *ep = &_dcd.endpoint[epn][dir];
const unsigned odd = ep->odd;
buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][0];
buffer_descriptor_t *bd = _dcd.bdt[epn][dir];
/* No support for control transfer */
TU_ASSERT(epn && (xfer != TUSB_XFER_CONTROL));
@@ -373,13 +373,17 @@ void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
const unsigned epn = tu_edpt_number(ep_addr);
const unsigned dir = tu_edpt_dir(ep_addr);
endpoint_state_t *ep = &_dcd.endpoint[epn][dir];
buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][0];
buffer_descriptor_t *bd = _dcd.bdt[epn][dir];
const unsigned msk = dir ? USB_ENDPT_EPTXEN_MASK : USB_ENDPT_EPRXEN_MASK;
const unsigned ie = NVIC_GetEnableIRQ(USB0_IRQn);
NVIC_DisableIRQ(USB0_IRQn);
KHCI->ENDPOINT[epn].ENDPT &= ~msk;
ep->max_packet_size = 0;
ep->length = 0;
ep->remaining = 0;
bd->head = 0;
bd[0].head = 0;
bd[1].head = 0;
if (ie) NVIC_EnableIRQ(USB0_IRQn);
}
bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes)
@@ -422,9 +426,9 @@ void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
KHCI->ENDPOINT[epn].ENDPT |= USB_ENDPT_EPSTALL_MASK;
} else {
const unsigned dir = tu_edpt_dir(ep_addr);
endpoint_state_t *ep = &_dcd.endpoint[epn][dir];
buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][ep->odd];
TU_ASSERT(0 == bd->own,);
const unsigned odd = _dcd.endpoint[epn][dir].odd;
buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][odd];
TU_VERIFY(0 == bd->own,);
const unsigned ie = NVIC_GetEnableIRQ(USB0_IRQn);
NVIC_DisableIRQ(USB0_IRQn);
bd->bdt_stall = 1;
@@ -440,14 +444,18 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
const unsigned epn = tu_edpt_number(ep_addr);
TU_VERIFY(epn,);
const unsigned dir = tu_edpt_dir(ep_addr);
endpoint_state_t *ep = &_dcd.endpoint[epn][dir];
buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][ep->odd];
TU_ASSERT(bd->own,);
const unsigned odd = _dcd.endpoint[epn][dir].odd;
buffer_descriptor_t *bd = _dcd.bdt[epn][dir];
TU_VERIFY(bd[odd].own,);
const unsigned ie = NVIC_GetEnableIRQ(USB0_IRQn);
NVIC_DisableIRQ(USB0_IRQn);
bd->own = 0;
bd[odd].own = 0;
__DSB();
bd->bdt_stall = 0;
bd[odd].bdt_stall = 0;
if (bd[odd].data) {
bd[odd ].data = 0;
bd[odd ^ 1].data = 1;
}
if (ie) NVIC_EnableIRQ(USB0_IRQn);
}