Gert van der Knokke
/
C1541III
C1541-III mbed edition
IEC_bus.h
- Committer:
- gertk
- Date:
- 2011-08-22
- Revision:
- 0:28557a4d2215
- Child:
- 1:0cbbb66a6100
File content as of revision 0:28557a4d2215:
#ifndef IEC_BUS_INCLUDED #define IEC_BUS_INCLUDED /*defines*/ /*-------*/ /*IEC commandset: the talker requests the addresses device to become a ...-er*/ #define LISTEN 0x20 /*base address, device 0-30*/ #define UNLISTEN 0x3F /*base address, n/a*/ #define TALK 0x40 /*base address, device 0-30*/ #define UNTALK 0x5F /*base address, n/a*/ #define DATA 0x60 /*base address, secondary address 0-15 (this is in some documentation also refered to as OPEN_CHANNEL)*/ #define CLOSE 0xE0 /*base address, secondary address 0-15*/ #define OPEN 0xF0 /*base address, secondary address 0-15*/ #define TIMINGS_DEFAULT 10 #define TIMINGS_DTV 11 #define TIMINGS_VIC20 12 extern int IEC_CLOCK(); extern int IEC_DATA(); extern int IEC_ATN(); extern void IEC_ATN_REL(); extern void IEC_ATN_PULL(); extern void IEC_DATA_REL(); extern void IEC_CLOCK_REL(); extern void IEC_DATA_PULL(); extern void IEC_CLOCK_PULL(); /*routines*/ /*--------*/ void InitIEC(void); void SetIEC_timings(unsigned char settings); void FreeIEC(void); unsigned char IEC_receive(unsigned char frame_handshake); unsigned char IEC_send(unsigned char data); unsigned char IEC_monitor(void); void IEC_send_string(const unsigned char *inputstring); void IEC_send_number_as_ASCII(unsigned char number); void IEC_turnaround(void); void IEC_undoturnaround(void); void IEC_letgo(void); unsigned char CheckForCommand(unsigned char *outputcommand, unsigned char frame_handshake); #endif