Staging: cpc-usb: convert comment style in cpc.h

Signed-off-by: Felipe Balbi <me@felipebalbi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 248 insertions, 271 deletions

diff --git a/drivers/staging/cpc-usb/cpc.h b/drivers/staging/cpc-usb/cpc.h
index ed8cb34d476..b2fda5d14c1 100644
--- a/drivers/staging/cpc-usb/cpc.h
+++ b/drivers/staging/cpc-usb/cpc.h
@@ -10,243 +10,223 @@
 #ifndef CPC_HEADER
 #define CPC_HEADER
 
-// the maximum length of the union members within a CPC_MSG
-// this value can be defined by the customer, but has to be
-// >= 64 bytes
-// however, if not defined before, we set a length of 64 byte
+/*
+ * the maximum length of the union members within a CPC_MSG
+ * this value can be defined by the customer, but has to be
+ * >= 64 bytes
+ * however, if not defined before, we set a length of 64 byte
+ */
 #if !defined(CPC_MSG_LEN) || (CPC_MSG_LEN < 64)
 #undef CPC_MSG_LEN
 #define CPC_MSG_LEN 64
 #endif
 
-// check the operating system used
-#ifdef _WIN32 // running a Windows OS
-
-// define basic types on Windows platforms
-#ifdef _MSC_VER // Visual Studio
-	typedef unsigned __int8 u8;
-	typedef unsigned __int16 u16;
-	typedef unsigned __int32 u32;
-#else // Borland Compiler
-	typedef unsigned char u8;
-	typedef unsigned short u16;
-	typedef unsigned int u32;
-#endif
-	// on Windows OS we use a byte alignment of 1
-	#pragma pack(push, 1)
-
-	// set the calling conventions for the library function calls
-	#define CALL_CONV __stdcall
-#else
-	// Kernel headers already define this types
-	#ifndef __KERNEL__
-		// define basic types
-		typedef unsigned char u8;
-		typedef unsigned short u16;
-		typedef unsigned int u32;
-	#endif
-
-	// Linux does not use this calling convention
-	#define CALL_CONV
-#endif
-
-// Transmission of events from CPC interfaces to PC can be individually
-// controlled per event type. Default state is: don't transmit
-// Control values are constructed by bit-or of Subject and Action
-// and passed to CPC_Control()
+/*
+ * Transmission of events from CPC interfaces to PC can be individually
+ * controlled per event type. Default state is: don't transmit
+ * Control values are constructed by bit-or of Subject and Action
+ * and passed to CPC_Control()
+ */
 
-// Control-Values for CPC_Control() Command Subject Selection
+/* Control-Values for CPC_Control() Command Subject Selection */
 #define CONTR_CAN_Message 0x04
 #define CONTR_Busload	  0x08
 #define	CONTR_CAN_State	  0x0C
 #define	CONTR_SendAck	  0x10
 #define	CONTR_Filter	  0x14
-#define CONTR_CmdQueue    0x18	// reserved, do not use
+#define CONTR_CmdQueue    0x18	/* reserved, do not use */
 #define CONTR_BusError    0x1C
 
-// Control Command Actions
+/* Control Command Actions */
 #define CONTR_CONT_OFF    0
 #define CONTR_CONT_ON     1
 #define CONTR_SING_ON     2
-// CONTR_SING_ON doesn't change CONTR_CONT_ON state, so it should be
-// read as: transmit at least once
+/*
+ * CONTR_SING_ON doesn't change CONTR_CONT_ON state, so it should be
+ * read as: transmit at least once
+ */
 
-// defines for confirmed request
+/* defines for confirmed request */
 #define DO_NOT_CONFIRM 0
 #define DO_CONFIRM     1
 
-// event flags
+/* event flags */
 #define EVENT_READ 0x01
 #define EVENT_WRITE 0x02
 
-// Messages from CPC to PC contain a message object type field.
-// The following message types are sent by CPC and can be used in
-// handlers, others should be ignored.
-#define CPC_MSG_T_RESYNC        0 // Normally to be ignored
-#define CPC_MSG_T_CAN           1 // CAN data frame
-#define CPC_MSG_T_BUSLOAD       2 // Busload message
-#define CPC_MSG_T_STRING        3 // Normally to be ignored
-#define CPC_MSG_T_CONTI         4 // Normally to be ignored
-#define CPC_MSG_T_MEM           7 // Normally not to be handled
-#define	CPC_MSG_T_RTR           8 // CAN remote frame
-#define CPC_MSG_T_TXACK	        9 // Send acknowledge
-#define CPC_MSG_T_POWERUP      10 // Power-up message
-#define	CPC_MSG_T_CMD_NO       11 // Normally to be ignored
-#define	CPC_MSG_T_CAN_PRMS     12 // Actual CAN parameters
-#define	CPC_MSG_T_ABORTED      13 // Command aborted message
-#define	CPC_MSG_T_CANSTATE     14 // CAN state message
-#define CPC_MSG_T_RESET        15 // used to reset CAN-Controller
-#define	CPC_MSG_T_XCAN         16 // XCAN data frame
-#define CPC_MSG_T_XRTR         17 // XCAN remote frame
-#define CPC_MSG_T_INFO         18 // information strings
-#define CPC_MSG_T_CONTROL      19 // used for control of interface/driver behaviour
-#define CPC_MSG_T_CONFIRM      20 // response type for confirmed requests
-#define CPC_MSG_T_OVERRUN      21 // response type for overrun conditions
-#define CPC_MSG_T_KEEPALIVE    22 // response type for keep alive conditions
-#define CPC_MSG_T_CANERROR     23 // response type for bus error conditions
-#define CPC_MSG_T_DISCONNECTED 24 // response type for a disconnected interface
-#define CPC_MSG_T_ERR_COUNTER  25 // RX/TX error counter of CAN controller
-
-#define CPC_MSG_T_FIRMWARE    100 // response type for USB firmware download
-
-// Messages from the PC to the CPC interface contain a command field
-// Most of the command types are wrapped by the library functions and have therefore
-// normally not to be used.
-// However, programmers who wish to circumvent the library and talk directly
-// to the drivers (mainly Linux programmers) can use the following
-// command types:
-
-#define CPC_CMD_T_CAN                 1	// CAN data frame
-#define CPC_CMD_T_CONTROL             3	// used for control of interface/driver behaviour
-#define	CPC_CMD_T_CAN_PRMS            6	// set CAN parameters
-#define	CPC_CMD_T_CLEARBUF            8	// clears input queue; this is depricated, use CPC_CMD_T_CLEAR_MSG_QUEUE instead
-#define	CPC_CMD_T_INQ_CAN_PARMS      11	// inquire actual CAN parameters
-#define	CPC_CMD_T_FILTER_PRMS        12	// set filter parameter
-#define	CPC_CMD_T_RTR                13	// CAN remote frame
-#define	CPC_CMD_T_CANSTATE           14	// CAN state message
-#define	CPC_CMD_T_XCAN               15	// XCAN data frame
-#define CPC_CMD_T_XRTR               16	// XCAN remote frame
-#define CPC_CMD_T_RESET              17	// used to reset CAN-Controller
-#define CPC_CMD_T_INQ_INFO           18	// miscellanous information strings
-#define CPC_CMD_T_OPEN_CHAN          19	// open a channel
-#define CPC_CMD_T_CLOSE_CHAN         20	// close a channel
-#define CPC_CMD_T_CNTBUF             21	// this is depricated, use CPC_CMD_T_INQ_MSG_QUEUE_CNT instead
-#define CPC_CMD_T_CAN_EXIT          200 // exit the CAN (disable interrupts; reset bootrate; reset output_cntr; mode = 1)
-
-#define CPC_CMD_T_INQ_MSG_QUEUE_CNT  CPC_CMD_T_CNTBUF   // inquires the count of elements in the message queue
-#define CPC_CMD_T_INQ_ERR_COUNTER    25	                // request the CAN controllers error counter
-#define	CPC_CMD_T_CLEAR_MSG_QUEUE    CPC_CMD_T_CLEARBUF // clear CPC_MSG queue
-#define	CPC_CMD_T_CLEAR_CMD_QUEUE    28	                // clear CPC_CMD queue
-#define CPC_CMD_T_FIRMWARE          100                 // reserved, must not be used
-#define CPC_CMD_T_USB_RESET         101                 // reserved, must not be used
-#define CPC_CMD_T_WAIT_NOTIFY       102                 // reserved, must not be used
-#define CPC_CMD_T_WAIT_SETUP        103                 // reserved, must not be used
-#define	CPC_CMD_T_ABORT             255                 // Normally not to be used
-
-// definitions for CPC_MSG_T_INFO
-// information sources
+/*
+ * Messages from CPC to PC contain a message object type field.
+ * The following message types are sent by CPC and can be used in
+ * handlers, others should be ignored.
+ */
+#define CPC_MSG_T_RESYNC        0 /* Normally to be ignored */
+#define CPC_MSG_T_CAN           1 /* CAN data frame */
+#define CPC_MSG_T_BUSLOAD       2 /* Busload message */
+#define CPC_MSG_T_STRING        3 /* Normally to be ignored */
+#define CPC_MSG_T_CONTI         4 /* Normally to be ignored */
+#define CPC_MSG_T_MEM           7 /* Normally not to be handled */
+#define	CPC_MSG_T_RTR           8 /* CAN remote frame */
+#define CPC_MSG_T_TXACK	        9 /* Send acknowledge */
+#define CPC_MSG_T_POWERUP      10 /* Power-up message */
+#define	CPC_MSG_T_CMD_NO       11 /* Normally to be ignored */
+#define	CPC_MSG_T_CAN_PRMS     12 /* Actual CAN parameters */
+#define	CPC_MSG_T_ABORTED      13 /* Command aborted message */
+#define	CPC_MSG_T_CANSTATE     14 /* CAN state message */
+#define CPC_MSG_T_RESET        15 /* used to reset CAN-Controller */
+#define	CPC_MSG_T_XCAN         16 /* XCAN data frame */
+#define CPC_MSG_T_XRTR         17 /* XCAN remote frame */
+#define CPC_MSG_T_INFO         18 /* information strings */
+#define CPC_MSG_T_CONTROL      19 /* used for control of interface/driver behaviour */
+#define CPC_MSG_T_CONFIRM      20 /* response type for confirmed requests */
+#define CPC_MSG_T_OVERRUN      21 /* response type for overrun conditions */
+#define CPC_MSG_T_KEEPALIVE    22 /* response type for keep alive conditions */
+#define CPC_MSG_T_CANERROR     23 /* response type for bus error conditions */
+#define CPC_MSG_T_DISCONNECTED 24 /* response type for a disconnected interface */
+#define CPC_MSG_T_ERR_COUNTER  25 /* RX/TX error counter of CAN controller */
+
+#define CPC_MSG_T_FIRMWARE    100 /* response type for USB firmware download */
+
+/*
+ * Messages from the PC to the CPC interface contain a command field
+ * Most of the command types are wrapped by the library functions and have therefore
+ * normally not to be used.
+ * However, programmers who wish to circumvent the library and talk directly
+ * to the drivers (mainly Linux programmers) can use the following
+ * command types:
+ */
+#define CPC_CMD_T_CAN                 1	/* CAN data frame */
+#define CPC_CMD_T_CONTROL             3	/* used for control of interface/driver behaviour */
+#define	CPC_CMD_T_CAN_PRMS            6	/* set CAN parameters */
+#define	CPC_CMD_T_CLEARBUF            8	/* clears input queue; this is depricated, use CPC_CMD_T_CLEAR_MSG_QUEUE instead */
+#define	CPC_CMD_T_INQ_CAN_PARMS      11	/* inquire actual CAN parameters */
+#define	CPC_CMD_T_FILTER_PRMS        12	/* set filter parameter */
+#define	CPC_CMD_T_RTR                13	/* CAN remote frame */
+#define	CPC_CMD_T_CANSTATE           14	/* CAN state message */
+#define	CPC_CMD_T_XCAN               15	/* XCAN data frame */
+#define CPC_CMD_T_XRTR               16	/* XCAN remote frame */
+#define CPC_CMD_T_RESET              17	/* used to reset CAN-Controller */
+#define CPC_CMD_T_INQ_INFO           18	/* miscellanous information strings */
+#define CPC_CMD_T_OPEN_CHAN          19	/* open a channel */
+#define CPC_CMD_T_CLOSE_CHAN         20	/* close a channel */
+#define CPC_CMD_T_CNTBUF             21	/* this is depricated, use CPC_CMD_T_INQ_MSG_QUEUE_CNT instead */
+#define CPC_CMD_T_CAN_EXIT          200 /* exit the CAN (disable interrupts; reset bootrate; reset output_cntr; mode = 1) */
+
+#define CPC_CMD_T_INQ_MSG_QUEUE_CNT  CPC_CMD_T_CNTBUF   /* inquires the count of elements in the message queue */
+#define CPC_CMD_T_INQ_ERR_COUNTER    25	                /* request the CAN controllers error counter */
+#define	CPC_CMD_T_CLEAR_MSG_QUEUE    CPC_CMD_T_CLEARBUF /* clear CPC_MSG queue */
+#define	CPC_CMD_T_CLEAR_CMD_QUEUE    28	                /* clear CPC_CMD queue */
+#define CPC_CMD_T_FIRMWARE          100                 /* reserved, must not be used */
+#define CPC_CMD_T_USB_RESET         101                 /* reserved, must not be used */
+#define CPC_CMD_T_WAIT_NOTIFY       102                 /* reserved, must not be used */
+#define CPC_CMD_T_WAIT_SETUP        103                 /* reserved, must not be used */
+#define	CPC_CMD_T_ABORT             255                 /* Normally not to be used */
+
+/* definitions for CPC_MSG_T_INFO information sources */
 #define CPC_INFOMSG_T_UNKNOWN_SOURCE 0
 #define CPC_INFOMSG_T_INTERFACE      1
 #define CPC_INFOMSG_T_DRIVER         2
 #define CPC_INFOMSG_T_LIBRARY        3
 
-// information types
+/* information types */
 #define CPC_INFOMSG_T_UNKNOWN_TYPE   0
 #define CPC_INFOMSG_T_VERSION        1
 #define CPC_INFOMSG_T_SERIAL         2
 
-// definitions for controller types
-#define PCA82C200   1 // Philips basic CAN controller, replaced by SJA1000
-#define SJA1000     2 // Philips basic CAN controller
-#define AN82527     3 // Intel full CAN controller
-#define M16C_BASIC  4 // M16C controller running in basic CAN (not full CAN) mode
-
-// channel open error codes
-#define CPC_ERR_NO_FREE_CHANNEL            -1	// no more free space within the channel array
-#define CPC_ERR_CHANNEL_ALREADY_OPEN       -2	// the channel is already open
-#define CPC_ERR_CHANNEL_NOT_ACTIVE         -3	// access to a channel not active failed
-#define CPC_ERR_NO_DRIVER_PRESENT          -4	// no driver at the location searched by the library
-#define CPC_ERR_NO_INIFILE_PRESENT         -5	// the library could not find the inifile
-#define CPC_ERR_WRONG_PARAMETERS           -6	// wrong parameters in the inifile
-#define CPC_ERR_NO_INTERFACE_PRESENT       -7	// 1. The specified interface is not connected
-						// 2. The interface (mostly CPC-USB) was disconnected upon operation
-#define CPC_ERR_NO_MATCHING_CHANNEL        -8	// the driver couldn't find a matching channel
-#define CPC_ERR_NO_BUFFER_AVAILABLE        -9	// the driver couldn't allocate buffer for messages
-#define CPC_ERR_NO_INTERRUPT               -10	// the requested interrupt couldn't be claimed
-#define CPC_ERR_NO_MATCHING_INTERFACE      -11	// no interface type related to this channel was found
-#define CPC_ERR_NO_RESOURCES               -12	// the requested resources could not be claimed
-#define CPC_ERR_SOCKET                     -13	// error concerning TCP sockets
-
-// init error codes
-#define CPC_ERR_WRONG_CONTROLLER_TYPE      -14	// wrong CAN controller type within initialization
-#define CPC_ERR_NO_RESET_MODE              -15	// the controller could not be set into reset mode
-#define CPC_ERR_NO_CAN_ACCESS              -16	// the CAN controller could not be accessed
-
-// transmit error codes
-#define CPC_ERR_CAN_WRONG_ID               -20	// the provided CAN id is too big
-#define CPC_ERR_CAN_WRONG_LENGTH           -21	// the provided CAN length is too long
-#define CPC_ERR_CAN_NO_TRANSMIT_BUF        -22	// the transmit buffer was occupied
-#define CPC_ERR_CAN_TRANSMIT_TIMEOUT       -23	// The message could not be sent within a
-						// specified time
-
-// other error codes
-#define CPC_ERR_SERVICE_NOT_SUPPORTED      -30	// the requested service is not supported by the interface
-#define CPC_ERR_IO_TRANSFER                -31	// a transmission error down to the driver occurred
-#define CPC_ERR_TRANSMISSION_FAILED        -32	// a transmission error down to the interface occurred
-#define CPC_ERR_TRANSMISSION_TIMEOUT       -33	// a timeout occurred within transmission to the interface
-#define CPC_ERR_OP_SYS_NOT_SUPPORTED       -35	// the operating system is not supported
-#define CPC_ERR_UNKNOWN                    -40	// an unknown error ocurred (mostly IOCTL errors)
-
-#define CPC_ERR_LOADING_DLL                -50	// the library 'cpcwin.dll' could not be loaded
-#define CPC_ERR_ASSIGNING_FUNCTION         -51	// the specified function could not be assigned
-#define CPC_ERR_DLL_INITIALIZATION         -52	// the DLL was not initialized correctly
-#define CPC_ERR_MISSING_LICFILE            -55	// the file containing the licenses does not exist
-#define CPC_ERR_MISSING_LICENSE            -56	// a required license was not found
-
-// CAN state bit values. Ignore any bits not listed
+/* definitions for controller types */
+#define PCA82C200   1 /* Philips basic CAN controller, replaced by SJA1000 */
+#define SJA1000     2 /* Philips basic CAN controller */
+#define AN82527     3 /* Intel full CAN controller */
+#define M16C_BASIC  4 /* M16C controller running in basic CAN (not full CAN) mode */
+
+/* channel open error codes */
+#define CPC_ERR_NO_FREE_CHANNEL            -1	/* no more free space within the channel array */
+#define CPC_ERR_CHANNEL_ALREADY_OPEN       -2	/* the channel is already open */
+#define CPC_ERR_CHANNEL_NOT_ACTIVE         -3	/* access to a channel not active failed */
+#define CPC_ERR_NO_DRIVER_PRESENT          -4	/* no driver at the location searched by the library */
+#define CPC_ERR_NO_INIFILE_PRESENT         -5	/* the library could not find the inifile */
+#define CPC_ERR_WRONG_PARAMETERS           -6	/* wrong parameters in the inifile */
+#define CPC_ERR_NO_INTERFACE_PRESENT       -7	/* 1. The specified interface is not connected */
+						/* 2. The interface (mostly CPC-USB) was disconnected upon operation */
+#define CPC_ERR_NO_MATCHING_CHANNEL        -8	/* the driver couldn't find a matching channel */
+#define CPC_ERR_NO_BUFFER_AVAILABLE        -9	/* the driver couldn't allocate buffer for messages */
+#define CPC_ERR_NO_INTERRUPT               -10	/* the requested interrupt couldn't be claimed */
+#define CPC_ERR_NO_MATCHING_INTERFACE      -11	/* no interface type related to this channel was found */
+#define CPC_ERR_NO_RESOURCES               -12	/* the requested resources could not be claimed */
+#define CPC_ERR_SOCKET                     -13	/* error concerning TCP sockets */
+
+/* init error codes */
+#define CPC_ERR_WRONG_CONTROLLER_TYPE      -14	/* wrong CAN controller type within initialization */
+#define CPC_ERR_NO_RESET_MODE              -15	/* the controller could not be set into reset mode */
+#define CPC_ERR_NO_CAN_ACCESS              -16	/* the CAN controller could not be accessed */
+
+/* transmit error codes */
+#define CPC_ERR_CAN_WRONG_ID               -20	/* the provided CAN id is too big */
+#define CPC_ERR_CAN_WRONG_LENGTH           -21	/* the provided CAN length is too long */
+#define CPC_ERR_CAN_NO_TRANSMIT_BUF        -22	/* the transmit buffer was occupied */
+#define CPC_ERR_CAN_TRANSMIT_TIMEOUT       -23	/* The message could not be sent within a */
+						/* specified time */
+
+/* other error codes */
+#define CPC_ERR_SERVICE_NOT_SUPPORTED      -30	/* the requested service is not supported by the interface */
+#define CPC_ERR_IO_TRANSFER                -31	/* a transmission error down to the driver occurred */
+#define CPC_ERR_TRANSMISSION_FAILED        -32	/* a transmission error down to the interface occurred */
+#define CPC_ERR_TRANSMISSION_TIMEOUT       -33	/* a timeout occurred within transmission to the interface */
+#define CPC_ERR_OP_SYS_NOT_SUPPORTED       -35	/* the operating system is not supported */
+#define CPC_ERR_UNKNOWN                    -40	/* an unknown error ocurred (mostly IOCTL errors) */
+
+#define CPC_ERR_LOADING_DLL                -50	/* the library 'cpcwin.dll' could not be loaded */
+#define CPC_ERR_ASSIGNING_FUNCTION         -51	/* the specified function could not be assigned */
+#define CPC_ERR_DLL_INITIALIZATION         -52	/* the DLL was not initialized correctly */
+#define CPC_ERR_MISSING_LICFILE            -55	/* the file containing the licenses does not exist */
+#define CPC_ERR_MISSING_LICENSE            -56	/* a required license was not found */
+
+/* CAN state bit values. Ignore any bits not listed */
 #define CPC_CAN_STATE_BUSOFF     0x80
 #define CPC_CAN_STATE_ERROR      0x40
 
-// Mask to help ignore undefined bits
+/* Mask to help ignore undefined bits */
 #define CPC_CAN_STATE_MASK       0xc0
 
-// CAN-Message representation in a CPC_MSG
-// Message object type is CPC_MSG_T_CAN or CPC_MSG_T_RTR
-// or CPC_MSG_T_XCAN or CPC_MSG_T_XRTR
+/*
+ * CAN-Message representation in a CPC_MS
+ * Message object type is CPC_MSG_T_CAN or CPC_MSG_T_RTR
+ * or CPC_MSG_T_XCAN or CPC_MSG_T_XRTR
+ */
 typedef struct CPC_CAN_MSG {
 	u32 id;
 	u8 length;
 	u8 msg[8];
 } CPC_CAN_MSG_T;
 
-
-// representation of the CAN parameters for the PCA82C200 controller
+/* representation of the CAN parameters for the PCA82C200 controller */
 typedef struct CPC_PCA82C200_PARAMS {
-	u8 acc_code;	// Acceptance-code for receive, Standard: 0
-	u8 acc_mask;	// Acceptance-mask for receive, Standard: 0xff (everything)
-	u8 btr0;	// Bus-timing register 0
-	u8 btr1;	// Bus-timing register 1
-	u8 outp_contr;	// Output-control register
+	u8 acc_code;	/* Acceptance-code for receive, Standard: 0 */
+	u8 acc_mask;	/* Acceptance-mask for receive, Standard: 0xff (everything) */
+	u8 btr0;	/* Bus-timing register 0 */
+	u8 btr1;	/* Bus-timing register 1 */
+	u8 outp_contr;	/* Output-control register */
 } CPC_PCA82C200_PARAMS_T;
 
-// representation of the CAN parameters for the SJA1000 controller
+/* representation of the CAN parameters for the SJA1000 controller */
 typedef struct CPC_SJA1000_PARAMS {
-	u8 mode;	// enables single or dual acceptance filtering
-	u8 acc_code0;	// Acceptance-code for receive, Standard: 0
+	u8 mode;	/* enables single or dual acceptance filtering */
+	u8 acc_code0;	/* Acceptance-code for receive, Standard: 0 */
 	u8 acc_code1;
 	u8 acc_code2;
 	u8 acc_code3;
-	u8 acc_mask0;	// Acceptance-mask for receive, Standard: 0xff (everything)
+	u8 acc_mask0;	/* Acceptance-mask for receive, Standard: 0xff (everything) */
 	u8 acc_mask1;
 	u8 acc_mask2;
 	u8 acc_mask3;
-	u8 btr0;	// Bus-timing register 0
-	u8 btr1;	// Bus-timing register 1
-	u8 outp_contr;	// Output-control register
+	u8 btr0;	/* Bus-timing register 0 */
+	u8 btr1;	/* Bus-timing register 1 */
+	u8 outp_contr;	/* Output-control register */
 } CPC_SJA1000_PARAMS_T;
 
-// representation of the CAN parameters for the M16C controller
-// in basic CAN mode (means no full CAN)
+/*
+ * representation of the CAN parameters for the M16C controller
+ * in basic CAN mode (means no full CAN)
+ */
 typedef struct CPC_M16C_BASIC_PARAMS {
 	u8 con0;
 	u8 con1;
@@ -267,9 +247,9 @@ typedef struct CPC_M16C_BASIC_PARAMS {
 	u8 acc_ext_mask3;
 } CPC_M16C_BASIC_PARAMS_T;
 
-// CAN params message representation
+/* CAN params message representation */
 typedef struct CPC_CAN_PARAMS {
-	u8 cc_type;	// represents the controller type
+	u8 cc_type;	/* represents the controller type */
 	union {
 		CPC_M16C_BASIC_PARAMS_T m16c_basic;
 		CPC_SJA1000_PARAMS_T sja1000;
@@ -277,111 +257,108 @@ typedef struct CPC_CAN_PARAMS {
 	} cc_params;
 } CPC_CAN_PARAMS_T;
 
-// the following structures are slightly different for Windows and Linux
-// To be able to use the 'Select' mechanism with Linux the application
-// needs to know the devices file desciptor.
-// This mechanism is not implemented within Windows and the file descriptor
-// is therefore not needed
-#ifdef _WIN32
-
-// CAN init params message representation
-typedef struct CPC_INIT_PARAMS {
-	CPC_CAN_PARAMS_T canparams;
-} CPC_INIT_PARAMS_T;
-
-#else// Linux
-
-// CHAN init params representation
+/* CHAN init params representation */
 typedef struct CPC_CHAN_PARAMS {
 	int fd;
 } CPC_CHAN_PARAMS_T;
 
-// CAN init params message representation
+/* CAN init params message representation */
 typedef struct CPC_INIT_PARAMS {
 	CPC_CHAN_PARAMS_T chanparams;
 	CPC_CAN_PARAMS_T canparams;
 } CPC_INIT_PARAMS_T;
 
-#endif
-
-// structure for confirmed message handling
+/* structure for confirmed message handling */
 typedef struct CPC_CONFIRM {
-	u8 result; // error code
+	u8 result; /* error code */
 } CPC_CONFIRM_T;
 
-// structure for information requests
+/* structure for information requests */
 typedef struct CPC_INFO {
-	u8 source;                 // interface, driver or library
-	u8 type;                   // version or serial number
-	char msg[CPC_MSG_LEN - 2]; // string holding the requested information
+	u8 source;                 /* interface, driver or library */
+	u8 type;                   /* version or serial number */
+	char msg[CPC_MSG_LEN - 2]; /* string holding the requested information */
 } CPC_INFO_T;
 
-// OVERRUN ///////////////////////////////////////
-// In general two types of overrun may occur.
-// A hardware overrun, where the CAN controller
-// lost a message, because the interrupt was
-// not handled before the next messgae comes in.
-// Or a software overrun, where i.e. a received
-// message could not be stored in the CPC_MSG
-// buffer.
-
-// After a software overrun has occurred
-// we wait until we have CPC_OVR_GAP slots
-// free in the CPC_MSG buffer.
+/*
+ * OVERRUN
+ * In general two types of overrun may occur.
+ * A hardware overrun, where the CAN controller
+ * lost a message, because the interrupt was
+ * not handled before the next messgae comes in.
+ * Or a software overrun, where i.e. a received
+ * message could not be stored in the CPC_MSG
+ * buffer.
+ */
+
+/* After a software overrun has occurred
+ * we wait until we have CPC_OVR_GAP slots
+ * free in the CPC_MSG buffer.
+ */
 #define CPC_OVR_GAP               10
 
-// Two types of software overrun may occur.
-// A received CAN message or a CAN state event
-// can cause an overrun.
-// Note: A CPC_CMD which would normally store
-// its result immediately in the CPC_MSG
-// queue may fail, because the message queue is full.
-// This will not generate an overrun message, but
-// will halt command execution, until this command
-// is able to store its message in the message queue.
+/*
+ * Two types of software overrun may occur.
+ * A received CAN message or a CAN state event
+ * can cause an overrun.
+ * Note: A CPC_CMD which would normally store
+ * its result immediately in the CPC_MSG
+ * queue may fail, because the message queue is full.
+ * This will not generate an overrun message, but
+ * will halt command execution, until this command
+ * is able to store its message in the message queue.
+ */
 #define CPC_OVR_EVENT_CAN       0x01
 #define CPC_OVR_EVENT_CANSTATE  0x02
 #define CPC_OVR_EVENT_BUSERROR  0x04
 
-// If the CAN controller lost a message
-// we indicate it with the highest bit
-// set in the count field.
+/*
+ * If the CAN controller lost a message
+ * we indicate it with the highest bit
+ * set in the count field.
+ */
 #define CPC_OVR_HW              0x80
 
-// structure for overrun conditions
+/* structure for overrun conditions */
 typedef struct {
 	u8 event;
 	u8 count;
 } CPC_OVERRUN_T;
 
-// CAN errors ////////////////////////////////////
-// Each CAN controller type has different
-// registers to record errors.
-// Therefor a structure containing the specific
-// errors is set up for each controller here
+/*
+ * CAN errors
+ * Each CAN controller type has different
+ * registers to record errors.
+ * Therefor a structure containing the specific
+ * errors is set up for each controller here
+ */
 
-// SJA1000 error structure
-// see the SJA1000 datasheet for detailed
-// explanation of the registers
+/*
+ * SJA1000 error structure
+ * see the SJA1000 datasheet for detailed
+ * explanation of the registers
+ */
 typedef struct CPC_SJA1000_CAN_ERROR {
-	u8 ecc;   // error capture code register
-	u8 rxerr; // RX error counter register
-	u8 txerr; // TX error counter register
+	u8 ecc;   /* error capture code register */
+	u8 rxerr; /* RX error counter register */
+	u8 txerr; /* TX error counter register */
 } CPC_SJA1000_CAN_ERROR_T;
 
-// M16C error structure
-// see the M16C datasheet for detailed
-// explanation of the registers
+/*
+ * M16C error structure
+ * see the M16C datasheet for detailed
+ * explanation of the registers
+ */
 typedef struct CPC_M16C_CAN_ERROR {
-	u8 tbd;	// to be defined
+	u8 tbd;	/* to be defined */
 } CPC_M16C_CAN_ERROR_T;
 
-// structure for CAN error conditions
+/* structure for CAN error conditions */
 #define  CPC_CAN_ECODE_ERRFRAME   0x01
 typedef struct CPC_CAN_ERROR {
 	u8 ecode;
 	struct {
-		u8 cc_type; // CAN controller type
+		u8 cc_type; /* CAN controller type */
 		union {
 			CPC_SJA1000_CAN_ERROR_T sja1000;
 			CPC_M16C_CAN_ERROR_T m16c;
@@ -389,36 +366,40 @@ typedef struct CPC_CAN_ERROR {
 	} cc;
 } CPC_CAN_ERROR_T;
 
-// Structure containing RX/TX error counter.
-// This structure is used to request the
-// values of the CAN controllers TX and RX
-// error counter.
+/*
+ * Structure containing RX/TX error counter.
+ * This structure is used to request the
+ * values of the CAN controllers TX and RX
+ * error counter.
+ */
 typedef struct CPC_CAN_ERR_COUNTER {
 	u8 rx;
 	u8 tx;
 } CPC_CAN_ERR_COUNTER_T;
 
-// If this flag is set, transmissions from PC to CPC are protected against loss
+/* If this flag is set, transmissions from PC to CPC are protected against loss */
 #define CPC_SECURE_TO_CPC	0x01
 
-// If this flag is set, transmissions from CPC to PC are protected against loss
+/* If this flag is set, transmissions from CPC to PC are protected against loss */
 #define CPC_SECURE_TO_PC	0x02
 
-// If this flag is set, the CAN-transmit buffer is checked to be free before sending a message
+/* If this flag is set, the CAN-transmit buffer is checked to be free before sending a message */
 #define CPC_SECURE_SEND		0x04
 
-// If this flag is set, the transmission complete flag is checked
-// after sending a message
-// THIS IS CURRENTLY ONLY IMPLEMENTED IN THE PASSIVE INTERFACE DRIVERS
+/*
+ * If this flag is set, the transmission complete flag is checked
+ * after sending a message
+ * THIS IS CURRENTLY ONLY IMPLEMENTED IN THE PASSIVE INTERFACE DRIVERS
+ */
 #define CPC_SECURE_TRANSMIT	0x08
 
-// main message type used between library and application
+/* main message type used between library and application */
 typedef struct CPC_MSG {
-	u8 type;	// type of message
-	u8 length;	// length of data within union 'msg'
-	u8 msgid;	// confirmation handle
-	u32 ts_sec;	// timestamp in seconds
-	u32 ts_nsec;	// timestamp in nano seconds
+	u8 type;	/* type of message */
+	u8 length;	/* length of data within union 'msg' */
+	u8 msgid;	/* confirmation handle */
+	u32 ts_sec;	/* timestamp in seconds */
+	u32 ts_nsec;	/* timestamp in nano seconds */
 	union {
 		u8 generic[CPC_MSG_LEN];
 		CPC_CAN_MSG_T canmsg;
@@ -433,8 +414,4 @@ typedef struct CPC_MSG {
 	} msg;
 } CPC_MSG_T;
 
-#ifdef _WIN32
-#pragma pack(pop)		// reset the byte alignment
-#endif
-
-#endif				// CPC_HEADER
+#endif /* CPC_HEADER */