Tollos – tollosDebug.c | ||||||||||
Libraries
Background
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tollosDebug.c – debug functions for Tollos The debug device uses a serial channel to communicate with a terminal device (usually a termulator emulator application on a PC).Using any debug function automatically initializes the debug communication device. The default baud rate for the device is TOLLOS_DEBUG_BAUD, normally 115200 baud.
debugBaud – set debug baud rate void debugBaud(uint baud);
baud – baud rate to use for debug It is recommend that a ‘standard’ baud rate be used, for example, 9600 or 115200. At 9600 baud about 38 characters can be sent in 40ms (one default tick) at 115200, 460 characters can be sent. debugf – a mini printf to send a string int debugf(const char *format, ...);
format – format and data string ... – other arguments as required
returns the number (count) of characters sent See the tollosUtil strf function for a description of supported format strings (a subset of the C printf rules). debugGet – get character from host int debugGet(void);
returns a character read, or −1 if none pending If a character was read the value returned will always be non-negative (hence all values >=0 might be possible). Note that some keyboard keys may generate more than one character: an escape followed by some code, for example. |
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This page was last updated on 2011-01-01 by c2wiki. |