Value Change Dump

Implements a Value Change Dump file output to generate traces and display them in a wave viewer like gtkwave http://gtkwave.sourceforge.net. More...

Data Structures
struct	avr_vcd_signal_t
	This structure registers IRQ change hooks to various "source" IRQs and dumps their values (if changed) at certain intervals into the VCD file. More...
struct	avr_vcd_log_t
struct	avr_vcd_t

Macros
#define	AVR_VCD_MAX_SIGNALS   32
#define	AVR_VCD_LOG_CHUNK_SIZE   (4096 / sizeof(avr_vcd_signal_t))

Typedefs
typedef struct avr_vcd_signal_t	avr_vcd_signal_t
	This structure registers IRQ change hooks to various "source" IRQs and dumps their values (if changed) at certain intervals into the VCD file. More...
typedef struct avr_vcd_log_t	avr_vcd_log_t
typedef struct avr_vcd_log_t *	avr_vcd_log_p
typedef struct avr_vcd_t	avr_vcd_t

Functions
int	avr_vcd_init (struct avr_t *avr, const char *filename, avr_vcd_t *vcd, uint32_t period)
	Initializes a new VCD trace file, and returns zero if all is well. More...
void	avr_vcd_close (avr_vcd_t *vcd)
	Close a vcd file. More...
int	avr_vcd_add_signal (avr_vcd_t *vcd, avr_irq_t *signal_irq, int signal_bit_size, const char *name)
	Add a trace signal to the vcd file. More...
int	avr_vcd_start (avr_vcd_t *vcd)
	Starts recording the signal value into the file. More...
int	avr_vcd_stop (avr_vcd_t *vcd)
	Stops recording signal values into the file. More...

Detailed Description

Implements a Value Change Dump file output to generate traces and display them in a wave viewer like gtkwave http://gtkwave.sourceforge.net.

Macro Definition Documentation

#define AVR_VCD_LOG_CHUNK_SIZE   (4096 / sizeof(avr_vcd_signal_t))

#define AVR_VCD_MAX_SIGNALS   32

Typedef Documentation

typedef struct avr_vcd_log_t * avr_vcd_log_p

typedef struct avr_vcd_log_t avr_vcd_log_t

typedef struct avr_vcd_signal_t avr_vcd_signal_t

This structure registers IRQ change hooks to various "source" IRQs and dumps their values (if changed) at certain intervals into the VCD file.

typedef struct avr_vcd_t avr_vcd_t

Function Documentation

int avr_vcd_add_signal	(	avr_vcd_t *	vcd,
		avr_irq_t *	signal_irq,
		int	signal_bit_size,
		const char *	name
	)

Add a trace signal to the vcd file.

Must be called before avr_vcd_start()

Here is the call graph for this function:

Here is the caller graph for this function:

void avr_vcd_close

(

avr_vcd_t *

vcd

)

Close a vcd file.

Here is the call graph for this function:

Here is the caller graph for this function:

int avr_vcd_init	(	struct avr_t *	avr,
		const char *	filename,
		avr_vcd_t *	vcd,
		uint32_t	period
	)

Initializes a new VCD trace file, and returns zero if all is well.

Here is the call graph for this function:

Here is the caller graph for this function:

int avr_vcd_start

(

avr_vcd_t *

vcd

)

Starts recording the signal value into the file.

Here is the call graph for this function:

Here is the caller graph for this function:

int avr_vcd_stop

(

avr_vcd_t *

vcd

)

Stops recording signal values into the file.

Here is the call graph for this function:

Here is the caller graph for this function: