Merge pull request #49 from the2masters/progmem

Add PROGMEM string/data send variants to the CDC class driver (thanks to Stefan Hellermann).

1 files changed, 21 insertions, 0 deletions

diff --git a/LUFA/Drivers/USB/Class/Device/CDCClassDevice.c b/LUFA/Drivers/USB/Class/Device/CDCClassDevice.c
index 6dfbb1c3d..c366c2f5e 100644
--- a/LUFA/Drivers/USB/Class/Device/CDCClassDevice.c
+++ b/LUFA/Drivers/USB/Class/Device/CDCClassDevice.c
@@ -155,6 +155,16 @@ uint8_t CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo
 	return Endpoint_Write_Stream_LE(String, strlen(String), NULL);
 }
 
+uint8_t CDC_Device_SendString_P(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,
+                              const char* const String)
+{
+	if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+	  return ENDPOINT_RWSTREAM_DeviceDisconnected;
+
+	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpoint.Address);
+	return Endpoint_Write_PStream_LE(String, strlen_P(String), NULL);
+}
+
 uint8_t CDC_Device_SendData(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,
                             const void* const Buffer,
                             const uint16_t Length)
@@ -166,6 +176,17 @@ uint8_t CDC_Device_SendData(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,
 	return Endpoint_Write_Stream_LE(Buffer, Length, NULL);
 }
 
+uint8_t CDC_Device_SendData_P(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,
+                            const void* const Buffer,
+                            const uint16_t Length)
+{
+	if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+	  return ENDPOINT_RWSTREAM_DeviceDisconnected;
+
+	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpoint.Address);
+	return Endpoint_Write_PStream_LE(Buffer, Length, NULL);
+}
+
 uint8_t CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,
                             const uint8_t Data)
 {