GWA Core IO Functions. More...

#include <stdint.h>

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...

Functions
void	gwa_core_io_lib_speed (iobus_speed_t speed)
	IOBUS SPI speed setup.
int	gwa_core_io_lib_init (void)
	Identifies hardware and initializes the core library.
const spi_module_t **	gwa_core_get_modules (void)
	Gets the list of installed modules.
void	gwa_core_io_scan (void)
	Scans the io spi daisy chain.
void	gwa_core_io_out_copy (void)
	Copies output values to SPI buffers.
void	gwa_core_io_in_copy (void)
	Copies input values from SPI buffers.
uint16_t	gwa_dip_read (void)
	Gets the DIP switch value.

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

GWA Core IO Functions.

Data Structures