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- /*===================================*/
- /* */
- /* MCC Configuration File Access */
- /* */
- /* Reads the file MQ.CFG to */
- /* determine the inerreupt level and */
- /* base I/O address assigned to the */
- /* MCC. */
- /* */
- /* This module can be used to write */
- /* an MCC application that works */
- /* in harmony with the rest of the */
- /* MIDI Starter System. */
- /* */
- /* Copyright (c) 1988 */
- /* By Music Quest, Inc. */
- /* */
- /* Public Domain */
- /* Subject to the same usage */
- /* requirements as the ToolKit. */
- /* */
- /*===================================*/
-
- #define CONFIG "MQ.CFG"
-
- #include "fcntl.h"
- #include "stat.h"
-
- struct pro_data /* MQ.CFG structure */
- {
- int level; /* interrupt level index */
- int addr; /* card address index */
- };
- struct pro_data p = {2,0x330}; /* default = irq2, 330 */
-
- /*===================================*/
- /* Configure the card */
- /* */
- /* Reads the MQ.CFG file. Installs */
- /* the ToolKit according to the */
- /* current configuration. */
- /* */
- /* Returned values */
- /* 0 = MCC not found or installed */
- /* 1 = ToolKit installed. */
- /* */
- /*===================================*/
- mcc_config()
- {
- int fx;
-
- if ((fx=open(CONFIG,O_RDONLY|O_BINARY)) >= 0) /* open config file */
- {
- read(fx,&p,sizeof(p)); /* read the IRQ and address */
- close(fx);
- }
-
- return(mcc_open(p.addr,p.level)); /* initialize MCC */
- }
-
- /*===================================*/
- /* DeConfigure the card */
- /*===================================*/
- mcc_deconfig()
- {
- mcc_close();
- }
-
- /*===================================*/
- /* Returns the base I/O address */
- /*===================================*/
- mcc_addr()
- {
- return(p.addr);
- }
-
- /*===================================*/
- /* Returns the current IRQ number */
- /*===================================*/
- mcc_level()
- {
- return(p.level);
- }