diff options
| author | Zixun LI <[email protected]> | 2026-09-01 10:08:27 +0200 |
|---|---|---|
| committer | GitHub <[email protected]> | 2026-09-01 10:08:27 +0200 |
| commit | c588e2e8af5ca66e4602784e309e06d356addf09 (patch) | |
| tree | b1103769b27c01911c9a9ef5a8aa05b8da606c61 | |
| parent | 84dcec43c709643f8a1b1ebbab6d08fbbc605a6d (diff) | |
| parent | e056a04a011225479f0be61fc9b37d828e506a26 (diff) | |
Merge pull request #3868 from michaelajax/add-ucpd-attached-callback
ucpd: Add "attached" state callback for CC state changes
| -rw-r--r-- | src/typec/usbc.c | 15 | ||||
| -rw-r--r-- | src/typec/usbc.h | 1 |
2 files changed, 15 insertions, 1 deletions
diff --git a/src/typec/usbc.c b/src/typec/usbc.c index dc59b35be..5b0e4423a 100644 --- a/src/typec/usbc.c +++ b/src/typec/usbc.c @@ -31,6 +31,7 @@ static bool _usbc_inited = false; // if port is initialized static bool _port_inited[TUP_TYPEC_RHPORTS_NUM]; +static bool _port_attached[TUP_TYPEC_RHPORTS_NUM]; // Max possible PD size is 262 bytes static uint8_t _rx_buf[64] TU_ATTR_ALIGNED(4); @@ -57,6 +58,11 @@ TU_ATTR_WEAK bool tuc_pd_control_received_cb(uint8_t rhport, pd_header_t const* return false; } +TU_ATTR_WEAK void tuc_attach_changed_cb(uint8_t rhport, bool attached) { + (void) rhport; + (void) attached; +} + TU_ATTR_WEAK void tcd_connect(uint8_t rhport) { (void) rhport; } @@ -90,6 +96,7 @@ bool tuc_init(uint8_t rhport, uint32_t port_type) { // Initialize stack if (!_usbc_inited) { tu_memclr(_port_inited, sizeof(_port_inited)); + tu_memclr(_port_attached, sizeof(_port_attached)); _usbc_q = osal_queue_create(&_usbc_qdef); TU_ASSERT(_usbc_q != NULL); @@ -124,8 +131,14 @@ void tuc_task_ext(uint32_t timeout_ms, bool in_isr) { if (!osal_queue_receive(_usbc_q, &event, timeout_ms)) return; switch (event.event_id) { - case TCD_EVENT_CC_CHANGED: + case TCD_EVENT_CC_CHANGED: { + bool const attached = event.cc_changed.cc_state[0] != 0 || event.cc_changed.cc_state[1] != 0; + if (_port_attached[event.rhport] != attached) { + _port_attached[event.rhport] = attached; + tuc_attach_changed_cb(event.rhport, attached); + } break; + } case TCD_EVENT_RX_COMPLETE: // TODO process message here in ISR, move to thread later diff --git a/src/typec/usbc.h b/src/typec/usbc.h index 9fca7da0d..fc4773b07 100644 --- a/src/typec/usbc.h +++ b/src/typec/usbc.h @@ -65,6 +65,7 @@ extern void tcd_int_handler(uint8_t rhport); bool tuc_pd_data_received_cb(uint8_t rhport, pd_header_t const* header, uint8_t const* dobj, uint8_t const* p_end); bool tuc_pd_control_received_cb(uint8_t rhport, pd_header_t const* header); +void tuc_attach_changed_cb(uint8_t rhport, bool attached); //--------------------------------------------------------------------+ // |