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skip cable-plug traffic

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Signed-off-by: HiFiPhile <admin@hifiphile.com>
This commit is contained in:
HiFiPhile
2026-06-24 23:41:43 +02:00
parent 430efad690
commit c374de17d9
1 changed files with 31 additions and 20 deletions
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51
src/portable/st/typec/typec_stm32.c
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@ -47,7 +47,9 @@
enum {
IMR_ATTACHED = UCPD_IMR_TXMSGDISCIE | UCPD_IMR_TXMSGSENTIE | UCPD_IMR_TXMSGABTIE | UCPD_IMR_TXUNDIE |
UCPD_IMR_RXHRSTDETIE | UCPD_IMR_RXOVRIE | UCPD_IMR_RXMSGENDIE | UCPD_IMR_RXORDDETIE |
UCPD_IMR_HRSTDISCIE | UCPD_IMR_HRSTSENTIE | UCPD_IMR_FRSEVTIE
UCPD_IMR_HRSTDISCIE | UCPD_IMR_HRSTSENTIE | UCPD_IMR_FRSEVTIE,
RX_ORDERED_SET_SOP = 0
};
#define PHY_SYNC1 0x18u
@ -72,6 +74,7 @@ static uint8_t const* _tx_pending_buf;
static uint16_t _tx_pending_bytes;
static uint16_t _tx_xferring_bytes;
static bool _cc_enabled[TUP_TYPEC_RHPORTS_NUM];
static uint32_t _rx_ordered_set;
static pd_header_t _good_crc = {
.msg_type = PD_CTRL_GOOD_CRC,
@ -404,8 +407,8 @@ void tcd_int_handler(uint8_t rhport) {
//------------- RX -------------//
if (sr & UCPD_SR_RXORDDET) {
// SOP: Start of Packet.
TU_LOG3("SOP\r\n");
// UCPD1->RX_ORDSET & UCPD_RX_ORDSET_RXORDSET_Msk;
_rx_ordered_set = UCPD1->RX_ORDSET & UCPD_RX_ORDSET_RXORDSET;
TU_LOG3("SOP %lu\r\n", _rx_ordered_set);
// ack
UCPD1->ICR = UCPD_ICR_RXORDDETCF;
@ -418,32 +421,40 @@ void tcd_int_handler(uint8_t rhport) {
// stop TX
dma_stop(rhport, true);
uint8_t result;
if (_rx_ordered_set == RX_ORDERED_SET_SOP) {
uint8_t result;
if (!(sr & UCPD_SR_RXERR)) {
// Send GoodCRC in response, unless the received message is itself a GoodCRC.
// TODO move this to usbc stack
if (_rx_buf) {
pd_header_t const* rx_header = (pd_header_t const*) _rx_buf;
bool is_good_crc = (rx_header->n_data_obj == 0) && (rx_header->msg_type == PD_CTRL_GOOD_CRC);
if (!(sr & UCPD_SR_RXERR)) {
// Send GoodCRC in response, unless the received message is itself a GoodCRC.
// TODO move this to usbc stack
if (_rx_buf) {
pd_header_t const* rx_header = (pd_header_t const*) _rx_buf;
bool is_good_crc = (rx_header->n_data_obj == 0) && (rx_header->msg_type == PD_CTRL_GOOD_CRC);
if (!is_good_crc) {
_good_crc.msg_id = rx_header->msg_id;
dma_tx_start(rhport, &_good_crc, 2);
if (!is_good_crc) {
_good_crc.msg_id = rx_header->msg_id;
dma_tx_start(rhport, &_good_crc, 2);
}
}
result = XFER_RESULT_SUCCESS;
} else {
// CRC failed
result = XFER_RESULT_FAILED;
}
result = XFER_RESULT_SUCCESS;
}else {
// CRC failed
result = XFER_RESULT_FAILED;
// notify stack
tcd_event_rx_complete(rhport, UCPD1->RX_PAYSZ, result, true);
} else {
TU_LOG3("Ignore SOP* RX %lu\r\n", _rx_ordered_set);
}
// notify stack
tcd_event_rx_complete(rhport, UCPD1->RX_PAYSZ, result, true);
// ack
UCPD1->ICR = UCPD_ICR_RXMSGENDCF;
if (_rx_ordered_set != RX_ORDERED_SET_SOP && _rx_buf != NULL && _rx_buf_len > 0) {
tcd_msg_receive(rhport, _rx_buf, _rx_buf_len);
}
}
if (sr & UCPD_SR_RXOVR) {