IOBUS Handling macros and variables

Macros and variables used for IOBUS interfacing and handling. More...

Data Structures
struct	block_t
struct	block_set_t
struct	spi_module_t
struct	spi_chain_t

Macros
#define	MAX_SPI_MODULES   (32)
#define	MAX_BLOCKS   (12)
#define	GWA_IO_ERR_MODULE_IDENTIFY   (-1)
	Error during modules identification.
#define	GWA_IO_ERR_MEM_ALLOC   (-2)
	Error allocating memory.

Enumerations
enum	module_type_t {   GWA_BASE_NONE = 0x80 , GWA_BASE_IO = 0x81 , GWA_BASE_DISP = 0x82 , GWA_BASE_IO_201 = 0x83 ,   GWA_X84_BOARD = 0x84 , AMATH7_BASE_IO = 0x85 , GWA_BASE_IO_203 = 0x86 , GWA_GXIO00_BOARD = 0xA1 ,   GWA_GXST10_BOARD = 0xA2 , GWA_RGRID00_BOARD = 0xA6 }
	The board types. More...
enum	iobus_speed_t { iobus_default_speed = 0 , iobus_full_speed , iobus_high_speed , iobus_warp_speed }
	IOBUS SPI speed settings. More...
enum	block_type_t {   BLK_DIP_SWITCH = 0x01 , BLK_INPUT = 0x02 , BLK_OUT_DIAG = 0x03 , BLK_OUTPUT = 0x04 ,   BLK_DISP_SEG = 0x05 , BLK_DISP_COL = 0x06 }
	Device types on the SPI chain. More...

Variables
spi_chain_t	spi_chain
volatile uint8_t	gwa_dip_switch
volatile uint8_t	in_data [MAX_SPI_MODULES *MAX_BLOCKS]
	Input data.
uint16_t	in_data_len
	Length of in_data array.
volatile uint8_t	out_data [MAX_SPI_MODULES *MAX_BLOCKS]
	Output data.
uint16_t	out_data_len
	Length of out_data array.
volatile uint8_t	oldoutw_data [MAX_SPI_MODULES *MAX_BLOCKS]
	Previously written output data.
volatile uint8_t	oldoutr_data [MAX_SPI_MODULES *MAX_BLOCKS]
	Read back output data.
volatile uint8_t	diag_data [MAX_SPI_MODULES *MAX_BLOCKS]
	Diagnostics data.
uint16_t	diag_data_len
	Length of diag_data array.

Detailed Description

Macros and variables used for IOBUS interfacing and handling.

Enumeration Type Documentation

block_type_t

enum block_type_t

Device types on the SPI chain.

Enumerator
BLK_DIP_SWITCH	0x01	DIP Switch block.
BLK_INPUT	0x02	Input block.
BLK_OUT_DIAG	0x03	Output Diagnostics block.
BLK_OUTPUT	0x04	Output block.
BLK_DISP_SEG	0x05	Display Segment block.
BLK_DISP_COL	0x06	Display Column block.

iobus_speed_t

enum iobus_speed_t

IOBUS SPI speed settings.

Enumerator
iobus_default_speed	0	Default 1x IOBUS speed setting.
iobus_full_speed		2x IOBUS speed setting
iobus_high_speed		4x IOBUS speed setting
iobus_warp_speed		8x IOBUS speed setting

module_type_t

enum module_type_t

The board types.

Enumerator
GWA_BASE_NONE	0x80	Baseboard virtual module with no blocks.
GWA_BASE_IO	0x81	First baseboard virtual module (DIP, inputs, out_diags, outputs)
GWA_BASE_DISP	0x82	Last baseboard virtual module (display segments, display columns)
GWA_X84_BOARD	0x84	Expansion board with identifier 0x84.
AMATH7_BASE_IO	0x85	AMAT H7 BOTC module (display segments, display columns)
GWA_BASE_IO_203	0x86	First baseboard virtual module (DIP, inputs, out_diags, outputs)
GWA_GXIO00_BOARD	0xA1	GXIO board with identifier 0xA1.
GWA_GXST10_BOARD	0xA2	GXST Stepper board with identifier 0xA2.
GWA_RGRID00_BOARD	0xA6	RGRID board with identifier 0xA6.