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author | Dean Camera <dean@fourwalledcubicle.com> | 2009-11-12 12:47:15 +0000 |
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committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-11-12 12:47:15 +0000 |
commit | 652042111c7c058bd56d9847002f166507f492d4 (patch) | |
tree | e32f27653cd516ae4c2353e8087d1386ac4e7dc9 /LUFA/Drivers/USB/Class/Host/CDC.c | |
parent | 6a46f0025a4d44ca2c747745f542e8f475dd9b28 (diff) | |
download | lufa-652042111c7c058bd56d9847002f166507f492d4.tar.gz lufa-652042111c7c058bd56d9847002f166507f492d4.tar.bz2 lufa-652042111c7c058bd56d9847002f166507f492d4.zip |
Add blocking versions of the CDC Class driver streams, for applications requiring blocking reads.
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/CDC.c')
-rw-r--r-- | LUFA/Drivers/USB/Class/Host/CDC.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c index 5467e3df3..fcfa86d79 100644 --- a/LUFA/Drivers/USB/Class/Host/CDC.c +++ b/LUFA/Drivers/USB/Class/Host/CDC.c @@ -353,6 +353,17 @@ static int CDC_Host_getchar(FILE* Stream) return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
}
+static int CDC_Host_getchar_Blocking(FILE* Stream)
+{
+ while (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))))
+ {
+ CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
+ USB_USBTask();
+ }
+
+ return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
+}
+
void CDC_Host_Event_Stub(void)
{
|