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Diffstat (limited to 'src/typec/usbc.c')
-rw-r--r--src/typec/usbc.c15
1 files changed, 14 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