Added new incomplete AudioInputHost Host LowLevel demo.

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Common / Audio.h

diff --git a/LUFA/Drivers/USB/Class/Common/Audio.h b/LUFA/Drivers/USB/Class/Common/Audio.h
index c838411..713c96f 100644 (file)
--- a/LUFA/Drivers/USB/Class/Common/Audio.h
+++ b/LUFA/Drivers/USB/Class/Common/Audio.h
@@ -204,7 +204,7 @@
                 *
                 *  \param[in] freq  Required audio sampling frequency in HZ
                 */
-               #define AUDIO_SAMPLE_FREQ(freq)           {.Byte1 = (freq & 0x0000FF), .Byte2 = ((freq >> 8) & 0xFF), .Byte3 = ((freq >> 16) & 0xFF)}
+               #define AUDIO_SAMPLE_FREQ(freq)           {.Byte1 = ((uint32_t)freq & 0x0000FF), .Byte2 = (((uint32_t)freq >> 8) & 0xFF), .Byte3 = (((uint32_t)freq >> 16) & 0xFF)}
 
                /** Mask for the attributes parameter of an Audio class-specific Endpoint descriptor, indicating that the endpoint
                 *  accepts only filled endpoint packets of audio samples.
@@ -215,7 +215,7 @@
                 *  will accept partially filled endpoint packets of audio samples.
                 */
                #define AUDIO_EP_ACCEPTS_SMALL_PACKETS    (0 << 7)
-
+               
        /* Enums: */
                /** Enum for possible Class, Subclass and Protocol values of device and interface descriptors relating to the Audio
                 *  device class.
@@ -269,6 +269,22 @@
                        AUDIO_DSUBTYPE_CSEndpoint_General         = 0x01, /**< Audio class specific endpoint general descriptor. */
                };
 
+               /** Enum for the Audio class specific control requests that can be issued by the USB bus host. */
+               enum Audio_ClassRequests_t
+               {
+                       AUDIO_REQ_SetCurrent    = 0x01, /**< Audio class-specific request to set the current value of a parameter within the device. */
+                       AUDIO_REQ_SetMinimum    = 0x02, /**< Audio class-specific request to set the minimum value of a parameter within the device. */
+                       AUDIO_REQ_SetMaximum    = 0x03, /**< Audio class-specific request to set the maximum value of a parameter within the device. */
+                       AUDIO_REQ_SetResolution = 0x04, /**< Audio class-specific request to set the resolution value of a parameter within the device. */
+                       AUDIO_REQ_SetMemory     = 0x05, /**< Audio class-specific request to set the memory value of a parameter within the device. */
+                       AUDIO_REQ_GetCurrent    = 0x81, /**< Audio class-specific request to get the current value of a parameter within the device. */
+                       AUDIO_REQ_GetMinimum    = 0x82, /**< Audio class-specific request to get the minimum value of a parameter within the device. */
+                       AUDIO_REQ_GetMaximum    = 0x83, /**< Audio class-specific request to get the maximum value of a parameter within the device. */
+                       AUDIO_REQ_GetResolution = 0x84, /**< Audio class-specific request to get the resolution value of a parameter within the device. */
+                       AUDIO_REQ_GetMemory     = 0x85, /**< Audio class-specific request to get the memory value of a parameter within the device. */
+                       AUDIO_REQ_GetStatus     = 0xFF, /**< Audio class-specific request to get the device status. */
+               };
+
        /* Type Defines: */
                /** \brief Audio class-specific Input Terminal Descriptor (LUFA naming conventions).
                 *