www.pudn.com > leon3.rar > hpi_functions.h

#ifndef HPI_FUNCTIONS_H 
#define HPI_FUNCTIONS_H 
 
 
// do nothing for num loops 
inline void kill_time(int num); 
 
// low level read word via HPI 
USHORT inw( PUSHORT b ); 
 
// low level write word via HPI 
VOID outw(USHORT  a, PUSHORT b); 
 
 
// write a data word to a CY-internal address 
void lcd_hpi_write_word(unsigned short chip_addr, 
                        unsigned short value); 
 
 
// read a data word from a CY-internal address 
unsigned short lcd_hpi_read_word(unsigned short chip_addr); 
 
 
// write a given number of words contained in the buffer data 
// starting from chip_addr (CY-internal addresses) 
void lcd_hpi_write_words(unsigned short chip_addr, 
                         unsigned short *data, 
                         int num_words); 
 
 
// read a given number of words starting from chip_addr 
// (CY-internal addresses) into a data buffer 
void lcd_hpi_read_words(unsigned short chip_addr, 
                        unsigned short *data, 
                        int num_words); 
 
 
// write value to HPI mailbox register 
void lcd_hpi_write_mailbox(unsigned short value); 
 
 
// read value from HPI mailbox register 
unsigned short lcd_hpi_read_mailbox(); 
 
 
// read value from HPI status register 
unsigned short lcd_hpi_read_status(); 
 
 
#endif