pbio/drv/usb_ev3: Implement wait for connection.

laurensvalk · laurensvalk · commit b739f050eb39 · 2026-01-29T21:17:59.000+01:00
This lets the UI display the connection state correctly when connected or unplugged.
diff --git a/lib/pbio/drv/usb/usb_ev3.c b/lib/pbio/drv/usb/usb_ev3.c
@@ -989,12 +989,11 @@ void pbdrv_usb_init_device(void) {
 }
 
 pbio_error_t pbdrv_usb_wait_until_configured(pbio_os_state_t *state) {
-    return PBIO_ERROR_NOT_SUPPORTED;
+    return pbdrv_usb_config ? PBIO_SUCCESS : PBIO_ERROR_AGAIN;
 }
 
 bool pbdrv_usb_is_ready(void) {
-    // REVISIT: Return whether physically plugged in.
-    return true;
+    return pbdrv_usb_config;
 }
 
 pbdrv_usb_bcd_t pbdrv_usb_get_bcd(void) {

Original file line number	Diff line number	Diff line change
`@@ -989,12 +989,11 @@ void pbdrv_usb_init_device(void) {`
`989`	`989`	`}`
`990`	`990`
`991`	`991`	`pbio_error_t pbdrv_usb_wait_until_configured(pbio_os_state_t *state) {`
`992`		`- return PBIO_ERROR_NOT_SUPPORTED;`
	`992`	`+ return pbdrv_usb_config ? PBIO_SUCCESS : PBIO_ERROR_AGAIN;`
`993`	`993`	`}`
`994`	`994`
`995`	`995`	`bool pbdrv_usb_is_ready(void) {`
`996`		`- // REVISIT: Return whether physically plugged in.`
`997`		`- return true;`
	`996`	`+ return pbdrv_usb_config;`
`998`	`997`	`}`
`999`	`998`
`1000`	`999`	`pbdrv_usb_bcd_t pbdrv_usb_get_bcd(void) {`