max7219 cascade driver function

max7219 cascade driver modules More...

Data Structures
struct	max7219_cascade_s
	max7219 cascade structure definition More...

Macros
#define	MAX7219_MAX_CASCADE_SIZE   128
	max7219 max cascade size definition More...

Typedefs
typedef struct max7219_cascade_s	max7219_cascade_t
	max7219 cascade structure definition More...

Enumerations
enum	max7219_cascade_command_t {   MAX7219_CASCADE_COMMAND_CASCADE = 0x00 , MAX7219_CASCADE_COMMAND_DIGIT_0 = 0x01 , MAX7219_CASCADE_COMMAND_DIGIT_1 = 0x02 , MAX7219_CASCADE_COMMAND_DIGIT_2 = 0x03 ,   MAX7219_CASCADE_COMMAND_DIGIT_3 = 0x04 , MAX7219_CASCADE_COMMAND_DIGIT_4 = 0x05 , MAX7219_CASCADE_COMMAND_DIGIT_5 = 0x06 , MAX7219_CASCADE_COMMAND_DIGIT_6 = 0x07 ,   MAX7219_CASCADE_COMMAND_DIGIT_7 = 0x08 , MAX7219_CASCADE_COMMAND_DECODE = 0x09 , MAX7219_CASCADE_COMMAND_INTENSITY = 0x0A , MAX7219_CASCADE_COMMAND_SCAN_LIMIT = 0x0B ,   MAX7219_CASCADE_COMMAND_SHUT_DOWN = 0x0C , MAX7219_CASCADE_COMMAND_DISPLAY_TEST = 0x0F }
	max7219 cascade command enumeration definition More...

Functions
uint8_t	max7219_set_cascade (max7219_handle_t *handle, max7219_cascade_t *cascade, uint16_t len)
	set the cascade data More...

Detailed Description

max7219 cascade driver modules

Macro Definition Documentation

MAX7219_MAX_CASCADE_SIZE

#define MAX7219_MAX_CASCADE_SIZE   128

max7219 max cascade size definition

128 cascade

Definition at line 64 of file driver_max7219.h.

Typedef Documentation

max7219_cascade_t

typedef struct max7219_cascade_s max7219_cascade_t

max7219 cascade structure definition

Enumeration Type Documentation

max7219_cascade_command_t

enum max7219_cascade_command_t

max7219 cascade command enumeration definition

Enumerator
MAX7219_CASCADE_COMMAND_CASCADE	cascade command
MAX7219_CASCADE_COMMAND_DIGIT_0	digit 0 command
MAX7219_CASCADE_COMMAND_DIGIT_1	digit 1 command
MAX7219_CASCADE_COMMAND_DIGIT_2	digit 2 command
MAX7219_CASCADE_COMMAND_DIGIT_3	digit 3 command
MAX7219_CASCADE_COMMAND_DIGIT_4	digit 4 command
MAX7219_CASCADE_COMMAND_DIGIT_5	digit 5 command
MAX7219_CASCADE_COMMAND_DIGIT_6	digit 6 command
MAX7219_CASCADE_COMMAND_DIGIT_7	digit 7 command
MAX7219_CASCADE_COMMAND_DECODE	decode command
MAX7219_CASCADE_COMMAND_INTENSITY	intensity command
MAX7219_CASCADE_COMMAND_SCAN_LIMIT	scan limit command
MAX7219_CASCADE_COMMAND_SHUT_DOWN	shut down command
MAX7219_CASCADE_COMMAND_DISPLAY_TEST	display test command

Definition at line 231 of file driver_max7219.h.

Function Documentation

max7219_set_cascade()

uint8_t max7219_set_cascade	(	max7219_handle_t *	handle,
		max7219_cascade_t *	cascade,
		uint16_t	len
	)

set the cascade data

Parameters

[in]	*handle	pointer to a max7219 handle structure
[in]	*cascade	pointer to a cascade structure
[in]	len	cascade length

Returns

status code

• 0 success
• 1 set cascade failed
• 2 handle is NULL
• 3 handle is not initialized

Note

none

Definition at line 148 of file driver_max7219.c.