diff options
Diffstat (limited to 'laden/output.h')
| -rw-r--r-- | laden/output.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/laden/output.h b/laden/output.h index c8d1e24..5ab13fa 100644 --- a/laden/output.h +++ b/laden/output.h @@ -31,7 +31,7 @@ struct output_driver const char *name; /* Initialize the output device. */ - void (*init) (void); + void (*init) (const char *cfg); /* Deinitialize the output device. */ void (*deinit) (void); @@ -47,16 +47,20 @@ struct output_driver extern struct output_driver *output_drivers[]; -/* Activate the output driver NAME or the default one if NAME is a +/* Activate the output driver DRIVER or the default one if DRIVER is a null pointer. Must be called once at startup, before calling - putchar or any other output routine. Returns 0 if NAME is not a - valid output driver name, otherwise 1 on success. */ -int output_init (char *name); + putchar or any other output routine. DRIVER has the pattern + NAME[,CONFIG...], for example "serial,uart2,speed=9600". Returns 0 + if DRIVER is not a valid output driver specification, otherwise 1 + on success. */ +int output_init (const char *driver); + /* Deactivate the output driver. Must be called after the last time putchar or any other output routine is called. */ void output_deinit (void); + /* Print the single character CHR on the output device. */ int putchar (int chr); @@ -67,6 +71,7 @@ int printf (const char *fmt, ...); /* True if debug mode is enabled. */ extern int output_debug; + /* Print a debug message. */ #define debug(...) do { if (output_debug) printf (__VA_ARGS__); } while (0) |