pbio/drv/usb: Rename plugin wait function.

There isn't a charger on all platforms. This is more of generic waiter for the USB driver to be ready for transmissions.

Author: laurensvalk

lib/pbio/drv/usb/usb.c

@@ -281,7 +281,7 @@ static pbio_error_t pbdrv_usb_process_thread(pbio_os_state_t *state, void *conte
     for (;;) {
 
         // Run charger detection: wait for USB to become physically plugged in.
-        PBIO_OS_AWAIT(state, &sub, err = pbdrv_usb_wait_for_charger(&sub));
+        PBIO_OS_AWAIT(state, &sub, err = pbdrv_usb_wait_until_configured(&sub));
 
         while (pbdrv_usb_process.request != PBIO_OS_PROCESS_REQUEST_TYPE_CANCEL && pbdrv_usb_is_ready()) {
 

lib/pbio/drv/usb/usb.h

@@ -96,14 +96,14 @@ pbio_error_t pbdrv_usb_tx_response(pbio_os_state_t *state, pbio_pybricks_error_t
 pbio_error_t pbdrv_usb_tx_reset(pbio_os_state_t *state);
 
 /**
- * Waits for USB to be plugged in and detects what charger type is connected.
+ * Waits for USB to be plugged. Detects what charger type is connected if
+ * applicable.
  *
  * @param [in] state    Protothread state.
  * @return              ::PBIO_SUCCESS on completion.
  *                      ::PBIO_ERROR_AGAIN while awaiting.
- *                      ::PBIO_ERROR_NOT_SUPPORTED if platform has no charger.
  */
-pbio_error_t pbdrv_usb_wait_for_charger(pbio_os_state_t *state);
+pbio_error_t pbdrv_usb_wait_until_configured(pbio_os_state_t *state);
 
 /**
  * Tests if USB is ready for communication.
@@ -136,7 +136,7 @@ static inline pbio_error_t pbdrv_usb_tx_reset(pbio_os_state_t *state) {
     return PBIO_ERROR_NOT_IMPLEMENTED;
 }
 
-static inline pbio_error_t pbdrv_usb_wait_for_charger(pbio_os_state_t *state) {
+static inline pbio_error_t pbdrv_usb_wait_until_configured(pbio_os_state_t *state) {
     return PBIO_ERROR_NOT_IMPLEMENTED;
 }
 

lib/pbio/drv/usb/usb_ev3.c

@@ -988,7 +988,7 @@ void pbdrv_usb_init_device(void) {
     USBDevConnect(USB0_BASE);
 }
 
-pbio_error_t pbdrv_usb_wait_for_charger(pbio_os_state_t *state) {
+pbio_error_t pbdrv_usb_wait_until_configured(pbio_os_state_t *state) {
     return PBIO_ERROR_NOT_SUPPORTED;
 }
 

lib/pbio/drv/usb/usb_nxt.c

@@ -837,7 +837,7 @@ void pbdrv_usb_deinit_device(void) {
     pbdrv_usb_nxt_deinit();
 }
 
-pbio_error_t pbdrv_usb_wait_for_charger(pbio_os_state_t *state) {
+pbio_error_t pbdrv_usb_wait_until_configured(pbio_os_state_t *state) {
     PBIO_OS_ASYNC_BEGIN(state);
 
     PBIO_OS_AWAIT_UNTIL(state, pbdrv_usb_nxt_state.status == USB_READY);

lib/pbio/drv/usb/usb_simulation.c

@@ -17,7 +17,7 @@
 #include <string.h>
 #include <unistd.h>
 
-pbio_error_t pbdrv_usb_wait_for_charger(pbio_os_state_t *state) {
+pbio_error_t pbdrv_usb_wait_until_configured(pbio_os_state_t *state) {
     return PBIO_ERROR_NOT_SUPPORTED;
 }
 

lib/pbio/drv/usb/usb_simulation_pico.c

@@ -26,7 +26,7 @@
 static lwrb_t pbdrv_usb_simulation_pico_in_ringbuf;
 static volatile bool pbdrv_usb_simulation_tx_ready;
 
-pbio_error_t pbdrv_usb_wait_for_charger(pbio_os_state_t *state) {
+pbio_error_t pbdrv_usb_wait_until_configured(pbio_os_state_t *state) {
     return PBIO_ERROR_NOT_SUPPORTED;
 }
 

lib/pbio/drv/usb/usb_stm32.c

@@ -56,7 +56,7 @@ static pbdrv_usb_bcd_t pbdrv_usb_bcd;
  *
  * @param [in]  pt  The protothread.
  */
-pbio_error_t pbdrv_usb_wait_for_charger(pbio_os_state_t *state) {
+pbio_error_t pbdrv_usb_wait_until_configured(pbio_os_state_t *state) {
     static pbio_os_timer_t timer;
     USB_OTG_GlobalTypeDef *USBx = hpcd.Instance;