added isConnected() to serialusb

2 files changed, 10 insertions, 0 deletions

diff --git a/libmaple/usb/usb.c b/libmaple/usb/usb.c
index 881c7f9..23cde00 100644
--- a/libmaple/usb/usb.c
+++ b/libmaple/usb/usb.c
@@ -459,6 +459,14 @@ uint8 usbGetRTS() {
   return ((line_dtr_rts & CONTROL_LINE_RTS) != 0);
 }
 
+uint8 usbIsConfigured() {
+  return (bDeviceState == CONFIGURED);
+}
+
+uint8 usbIsConnected() {
+  return (bDeviceState != UNCONNECTED);
+}  
+
 uint16 usbGetPending() {
   return countTx;
 }
diff --git a/libmaple/usb/usb.h b/libmaple/usb/usb.h
index e0d4231..ec179b1 100644
--- a/libmaple/usb/usb.h
+++ b/libmaple/usb/usb.h
@@ -57,6 +57,8 @@ typedef enum
   uint8 usbReceiveBytes(uint8* recvBuf, uint8 len);
   uint8 usbGetDTR(void);
   uint8 usbGetRTS(void);
+  uint8 usbIsConnected(void);
+  uint8 usbIsConfigured(void);
   uint16 usbGetPending(void);
 
   void usbSendHello(void);