diff options
| author | Yuval Adam <yuv.adm@gmail.com> | 2014-03-16 14:41:11 +0200 |
|---|---|---|
| committer | Yuval Adam <yuv.adm@gmail.com> | 2014-03-16 14:41:11 +0200 |
| commit | 990090a4cc9070837d31e66b58d40f0c3d038741 (patch) | |
| tree | cf1b905082c364e9b223e0c5058566103138dae5 /usblib/device/usbdcdc.h | |
| parent | 7f4da522479c0f00126219f0c23b804c3a93d7a6 (diff) | |
Add usblib and utils
Diffstat (limited to 'usblib/device/usbdcdc.h')
| -rw-r--r-- | usblib/device/usbdcdc.h | 447 |
1 files changed, 447 insertions, 0 deletions
diff --git a/usblib/device/usbdcdc.h b/usblib/device/usbdcdc.h new file mode 100644 index 0000000..dc96086 --- /dev/null +++ b/usblib/device/usbdcdc.h @@ -0,0 +1,447 @@ +//*****************************************************************************
+//
+// usbdcdc.h - USBLib support for generic CDC ACM (serial) device.
+//
+// Copyright (c) 2008-2014 Texas Instruments Incorporated. All rights reserved.
+// Software License Agreement
+//
+// Texas Instruments (TI) is supplying this software for use solely and
+// exclusively on TI's microcontroller products. The software is owned by
+// TI and/or its suppliers, and is protected under applicable copyright
+// laws. You may not combine this software with "viral" open-source
+// software in order to form a larger program.
+//
+// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
+// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
+// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
+// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
+// DAMAGES, FOR ANY REASON WHATSOEVER.
+//
+// This is part of revision 2.1.0.12573 of the Tiva USB Library.
+//
+//*****************************************************************************
+
+#ifndef __USBDCDC_H__
+#define __USBDCDC_H__
+
+//*****************************************************************************
+//
+// If building with a C++ compiler, make all of the definitions in this header
+// have a C binding.
+//
+//*****************************************************************************
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+//*****************************************************************************
+//
+//! \addtogroup cdc_device_class_api
+//! @{
+//
+//*****************************************************************************
+
+//*****************************************************************************
+//
+// PRIVATE
+//
+// The first few sections of this header are private defines that are used by
+// the USB CDC Serial code and are here only to help with the application
+// allocating the correct amount of memory for the CDC Serial device code.
+//
+//*****************************************************************************
+
+//*****************************************************************************
+//
+// PRIVATE
+//
+// This enumeration holds the various states that the device can be in during
+// normal operation.
+//
+//*****************************************************************************
+typedef enum
+{
+ //
+ // Unconfigured.
+ //
+ eCDCStateUnconfigured,
+
+ //
+ // No outstanding transaction remains to be completed.
+ //
+ eCDCStateIdle,
+
+ //
+ // Waiting on completion of a send or receive transaction.
+ //
+ eCDCStateWaitData,
+
+ //
+ // Waiting for client to process data.
+ //
+ eCDCStateWaitClient
+}
+tCDCState;
+
+//*****************************************************************************
+//
+// PRIVATE
+//
+// This structure defines the private instance data and state variables for the
+// CDC Serial device. The memory for this structure is allocated in the
+// tUSBDCDCDevice structure passed on USBDCDCInit().
+//
+//*****************************************************************************
+typedef struct
+{
+ //
+ // Base address for the USB controller.
+ //
+ uint32_t ui32USBBase;
+
+ //
+ // The device info to interact with the lower level DCD code.
+ //
+ tDeviceInfo sDevInfo;
+
+ //
+ // The state of the serial receive state.
+ //
+ volatile tCDCState iCDCRxState;
+
+ //
+ // The state of the serial transmit state.
+ //
+ volatile tCDCState iCDCTxState;
+
+ //
+ // The state of the serial request state.
+ //
+ volatile tCDCState iCDCRequestState;
+
+ //
+ // The state of the serial interrupt state.
+ //
+ volatile tCDCState iCDCInterruptState;
+
+ //
+ // The current pending request.
+ //
+ volatile uint8_t ui8PendingRequest;
+
+ //
+ // The current break duration used during send break requests.
+ //
+ uint16_t ui16BreakDuration;
+
+ //
+ // The current line control state for the serial port.
+ //
+ uint16_t ui16ControlLineState;
+
+ //
+ // The general serial state.
+ //
+ uint16_t ui16SerialState;
+
+ //
+ // State of any pending operations that could not be handled immediately
+ // upon receipt.
+ //
+ volatile uint16_t ui16DeferredOpFlags;
+
+ //
+ // Size of the last transmit.
+ //
+ uint16_t ui16LastTxSize;
+
+ //
+ // The current serial line coding.
+ //
+ tLineCoding sLineCoding;
+
+ //
+ // Serial port receive is blocked.
+ //
+ volatile bool bRxBlocked;
+
+ //
+ // Serial control port is blocked.
+ //
+ volatile bool bControlBlocked;
+
+ //
+ // The connection status of the device.
+ //
+ volatile bool bConnected;
+
+ //
+ // The control endpoint number, this is modified in composite devices.
+ //
+ uint8_t ui8ControlEndpoint;
+
+ //
+ // The IN endpoint number, this is modified in composite devices.
+ //
+ uint8_t ui8BulkINEndpoint;
+
+ //
+ // The OUT endpoint number, this is modified in composite devices.
+ //
+ uint8_t ui8BulkOUTEndpoint;
+
+ //
+ // The interface number for the control interface, this is modified in
+ // composite devices.
+ //
+ uint8_t ui8InterfaceControl;
+
+ //
+ // The interface number for the data interface, this is modified in
+ // composite devices.
+ //
+ uint8_t ui8InterfaceData;
+}
+tCDCSerInstance;
+
+//*****************************************************************************
+//
+// The following defines are used when working with composite devices.
+//
+//*****************************************************************************
+
+//*****************************************************************************
+//
+// This is the size of the g_pui8IADSerDescriptor array in bytes.
+//
+//*****************************************************************************
+#define SERDESCRIPTOR_SIZE (8)
+
+//*****************************************************************************
+//
+// This is the size of the g_pui8CDCSerCommInterface array in bytes.
+//
+//*****************************************************************************
+#define SERCOMMINTERFACE_SIZE (35)
+
+//*****************************************************************************
+//
+// This is the size of the g_pui8CDCSerDataInterface array in bytes.
+//
+//*****************************************************************************
+#define SERDATAINTERFACE_SIZE (23)
+
+//*****************************************************************************
+//
+//! The size of the memory that should be allocated to create a configuration
+//! descriptor for a single instance of the USB Serial CDC Device.
+//! This does not include the configuration descriptor which is automatically
+//! ignored by the composite device class.
+//
+//*****************************************************************************
+#define COMPOSITE_DCDC_SIZE (SERDESCRIPTOR_SIZE + SERCOMMINTERFACE_SIZE + \
+ SERDATAINTERFACE_SIZE)
+
+//*****************************************************************************
+//
+// CDC-specific events These events are provided to the application in the
+// \e ui32Msg parameter of the tUSBCallback function.
+//
+//*****************************************************************************
+
+//
+//! The host requests that the device send a BREAK condition on its
+//! serial communication channel. The BREAK should remain active until
+//! a USBD_CDC_EVENT_CLEAR_BREAK event is received.
+//
+#define USBD_CDC_EVENT_SEND_BREAK (USBD_CDC_EVENT_BASE + 0)
+
+//
+//! The host requests that the device stop sending a BREAK condition on its
+//! serial communication channel.
+//
+#define USBD_CDC_EVENT_CLEAR_BREAK (USBD_CDC_EVENT_BASE + 1)
+
+//
+//! The host requests that the device set the RS232 signaling lines to
+//! a particular state. The ui32MsgValue parameter contains the RTS and
+//! DTR control line states as defined in table 51 of the USB CDC class
+//! definition and is a combination of the following values:
+//!
+//! (RTS) USB_CDC_DEACTIVATE_CARRIER or USB_CDC_ACTIVATE_CARRIER
+//! (DTR) USB_CDC_DTE_NOT_PRESENT or USB_CDC_DTE_PRESENT
+//
+#define USBD_CDC_EVENT_SET_CONTROL_LINE_STATE (USBD_CDC_EVENT_BASE + 2)
+
+//
+//! The host requests that the device set the RS232 communication
+//! parameters. The pvMsgData parameter points to a tLineCoding structure
+//! defining the required number of bits per character, parity mode,
+//! number of stop bits and the baud rate.
+//
+#define USBD_CDC_EVENT_SET_LINE_CODING (USBD_CDC_EVENT_BASE + 3)
+
+//
+//! The host is querying the current RS232 communication parameters. The
+//! pvMsgData parameter points to a tLineCoding structure that the
+//! application must fill with the current settings prior to returning
+//! from the callback.
+//
+#define USBD_CDC_EVENT_GET_LINE_CODING (USBD_CDC_EVENT_BASE + 4)
+
+//*****************************************************************************
+//
+//! The structure used by the application to define operating parameters for
+//! the CDC device.
+//
+//*****************************************************************************
+typedef struct
+{
+ //
+ //! The vendor ID that this device is to present in the device descriptor.
+ //
+ const uint16_t ui16VID;
+
+ //
+ //! The product ID that this device is to present in the device descriptor.
+ //
+ const uint16_t ui16PID;
+
+ //
+ //! The maximum power consumption of the device, expressed in milliamps.
+ //
+ const uint16_t ui16MaxPowermA;
+
+ //
+ //! Indicates whether the device is self- or bus-powered and whether or not
+ //! it supports remote wakeup. Valid values are USB_CONF_ATTR_SELF_PWR or
+ //! USB_CONF_ATTR_BUS_PWR, optionally ORed with USB_CONF_ATTR_RWAKE.
+ //
+ const uint8_t ui8PwrAttributes;
+
+ //
+ //! A pointer to the callback function which will be called to notify
+ //! the application of all asynchronous control events related to the
+ //! operation of the device.
+ //
+ const tUSBCallback pfnControlCallback;
+
+ //
+ //! A client-supplied pointer which will be sent as the first
+ //! parameter in all calls made to the control channel callback,
+ //! pfnControlCallback.
+ //
+ void *pvControlCBData;
+
+ //
+ //! A pointer to the callback function which will be called to notify
+ //! the application of events related to the device's data receive channel.
+ //
+ const tUSBCallback pfnRxCallback;
+
+ //
+ //! A client-supplied pointer which will be sent as the first
+ //! parameter in all calls made to the receive channel callback,
+ //! pfnRxCallback.
+ //
+ void *pvRxCBData;
+
+ //
+ //! A pointer to the callback function which will be called to notify
+ //! the application of events related to the device's data transmit
+ //! channel.
+ //
+ const tUSBCallback pfnTxCallback;
+
+ //
+ //! A client-supplied pointer which will be sent as the first
+ //! parameter in all calls made to the transmit channel callback,
+ //! pfnTxCallback.
+ //
+ void *pvTxCBData;
+
+ //
+ //! A pointer to the string descriptor array for this device. This array
+ //! must contain the following string descriptor pointers in this order.
+ //! Language descriptor, Manufacturer name string (language 1), Product
+ //! name string (language 1), Serial number string (language 1),
+ //! Control interface description string (language 1), Configuration
+ //! description string (language 1).
+ //!
+ //! If supporting more than 1 language, the strings for indices 1 through 5
+ //! must be repeated for each of the other languages defined in the
+ //! language descriptor.
+ //
+ const uint8_t * const *ppui8StringDescriptors;
+
+ //
+ //! The number of descriptors provided in the ppStringDescriptors
+ //! array. This must be 1 + (5 * number of supported languages).
+ //
+ const uint32_t ui32NumStringDescriptors;
+
+ //
+ //! The private instance data for this device. This memory
+ //! must remain accessible for as long as the CDC device is in use and
+ //! must not be modified by any code outside the CDC class driver.
+ //
+ tCDCSerInstance sPrivateData;
+}
+tUSBDCDCDevice;
+
+//*****************************************************************************
+//
+// API Function Prototypes
+//
+//*****************************************************************************
+extern void *USBDCDCCompositeInit(uint32_t ui32Index,
+ tUSBDCDCDevice *psCDCDevice,
+ tCompositeEntry *psCompEntry);
+extern void *USBDCDCInit(uint32_t ui32Index,
+ tUSBDCDCDevice *psCDCDevice);
+extern void USBDCDCTerm(void *pvCDCDevice);
+extern void *USBDCDCSetControlCBData(void *pvCDCDevice, void *pvCBData);
+extern void *USBDCDCSetRxCBData(void *pvCDCDevice, void *pvCBData);
+extern void *USBDCDCSetTxCBData(void *pvCDCDevice, void *pvCBData);
+extern uint32_t USBDCDCPacketWrite(void *pvCDCDevice, uint8_t *pi8Data,
+ uint32_t ui32Length, bool bLast);
+extern uint32_t USBDCDCPacketRead(void *pvCDCDevice, uint8_t *pi8Data,
+ uint32_t ui32Length, bool bLast);
+extern uint32_t USBDCDCTxPacketAvailable(void *pvCDCDevice);
+extern uint32_t USBDCDCRxPacketAvailable(void *pvCDCDevice);
+extern void USBDCDCSerialStateChange(void *pvCDCDevice, uint16_t ui16State);
+extern bool USBDCDCRemoteWakeupRequest(void *pvCDCDevice);
+
+//*****************************************************************************
+//
+// Close the Doxygen group.
+//! @}
+//
+//*****************************************************************************
+
+//*****************************************************************************
+//
+// The following APIs are deprecated.
+//
+//*****************************************************************************
+#ifndef DEPRECATED
+
+//
+// Use USBDCDFeatureSet() or USBHCDFeatureSet() with \b USBLIB_FEATURE_POWER
+// configuration option.
+//
+extern void USBDCDCPowerStatusSet(void *pvCDCDevice, uint8_t ui8Power);
+#endif
+
+//*****************************************************************************
+//
+// Mark the end of the C bindings section for C++ compilers.
+//
+//*****************************************************************************
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __USBDCDC_H__
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