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Fix MassStorageKeyboard demo USE_INTERNAL_SERIAL check being performed before the required library headers were included, causing a compilation error.

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Added notes to the class driver functions indicating which functions require what Device/Host state machine states to function.
This commit is contained in:
Dean Camera 2010-01-04 13:34:02 +00:00
parent 1e1cf2c499
commit 6122ba93cf
17 changed files with 159 additions and 19 deletions
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18
LUFA/Drivers/USB/Class/Device/CDC.h
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@ -157,6 +157,9 @@
/** Sends a given string to the attached USB host, if connected. If a host is not connected when the function is called, the
* string is discarded.
*
* \note This function must only be called when the Device state machine is in the DEVICE_STATE_Configured state or
* the call will fail.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state
* \param[in] Data Pointer to the string to send to the host
* \param[in] Length Size in bytes of the string to send to the host
@ -169,6 +172,9 @@
/** Sends a given byte to the attached USB host, if connected. If a host is not connected when the function is called, the
* byte is discarded.
*
* \note This function must only be called when the Device state machine is in the DEVICE_STATE_Configured state or
* the call will fail.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state
* \param[in] Data Byte of data to send to the host
*
@ -177,6 +183,9 @@
uint8_t CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, const uint8_t Data) ATTR_NON_NULL_PTR_ARG(1);
/** Determines the number of bytes received by the CDC interface from the host, waiting to be read.
*
* \note This function must only be called when the Device state machine is in the DEVICE_STATE_Configured state or
* the call will fail.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state
*
@ -188,6 +197,9 @@
* returns 0. The \ref CDC_Device_BytesReceived() function should be queried before data is received to ensure that no data
* underflow occurs.
*
* \note This function must only be called when the Device state machine is in the DEVICE_STATE_Configured state or
* the call will fail.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state
*
* \return Next received byte from the host, or 0 if no data received
@ -195,6 +207,9 @@
uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Flushes any data waiting to be sent, ensuring that the send buffer is cleared.
*
* \note This function must only be called when the Device state machine is in the DEVICE_STATE_Configured state or
* the call will fail.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state
*
@ -207,6 +222,9 @@
* until they are cleared via a second notification. This should be called each time the CDC class driver's
* ControlLineStates.DeviceToHost value is updated to push the new states to the USB host.
*
* \note This function must only be called when the Device state machine is in the DEVICE_STATE_Configured state or
* the call will fail.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state
*/
void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);