RE: How do I resolve SEGGER_RTT_printf "warning: #192-D: unrecognized character escape sequence"

Keton — Tue, 02 Aug 2016 16:28:36 GMT
Keil compiler has different set of escape characters. It doesn't understand \e. Change your color definitions in SEGGER_RTT.h so they look like this:
//
// Control sequences, based on ANSI.
// Can be used to control color, and clear the screen
//
#if defined ( __CC_ARM ) //Keil uses different escape character

#define RTT_CTRL_RESET                "\x1B[0m"         // Reset to default colors
#define RTT_CTRL_CLEAR                "\x1B[2J"         // Clear screen, reposition cursor to top left

#define RTT_CTRL_TEXT_BLACK           "\x1B[2;30m"
#define RTT_CTRL_TEXT_RED             "\x1B[2;31m"
#define RTT_CTRL_TEXT_GREEN           "\x1B[2;32m"
#define RTT_CTRL_TEXT_YELLOW          "\x1B[2;33m"
#define RTT_CTRL_TEXT_BLUE            "\x1B[2;34m"
#define RTT_CTRL_TEXT_MAGENTA         "\x1B[2;35m"
#define RTT_CTRL_TEXT_CYAN            "\x1B[2;36m"
#define RTT_CTRL_TEXT_WHITE           "\x1B[2;37m"

#define RTT_CTRL_TEXT_BRIGHT_BLACK    "\x1B[1;30m"
#define RTT_CTRL_TEXT_BRIGHT_RED      "\x1B[1;31m"
#define RTT_CTRL_TEXT_BRIGHT_GREEN    "\x1B[1;32m"
#define RTT_CTRL_TEXT_BRIGHT_YELLOW   "\x1B[1;33m"
#define RTT_CTRL_TEXT_BRIGHT_BLUE     "\x1B[1;34m"
#define RTT_CTRL_TEXT_BRIGHT_MAGENTA  "\x1B[1;35m"
#define RTT_CTRL_TEXT_BRIGHT_CYAN     "\x1B[1;36m"
#define RTT_CTRL_TEXT_BRIGHT_WHITE    "\x1B[1;37m"

#define RTT_CTRL_BG_BLACK             "\x1B[24;40m"
#define RTT_CTRL_BG_RED               "\x1B[24;41m"
#define RTT_CTRL_BG_GREEN             "\x1B[24;42m"
#define RTT_CTRL_BG_YELLOW            "\x1B[24;43m"
#define RTT_CTRL_BG_BLUE              "\x1B[24;44m"
#define RTT_CTRL_BG_MAGENTA           "\x1B[24;45m"
#define RTT_CTRL_BG_CYAN              "\x1B[24;46m"
#define RTT_CTRL_BG_WHITE             "\x1B[24;47m"

#define RTT_CTRL_BG_BRIGHT_BLACK      "\x1B[4;40m"
#define RTT_CTRL_BG_BRIGHT_RED        "\x1B[4;41m"
#define RTT_CTRL_BG_BRIGHT_GREEN      "\x1B[4;42m"
#define RTT_CTRL_BG_BRIGHT_YELLOW     "\x1B[4;43m"
#define RTT_CTRL_BG_BRIGHT_BLUE       "\x1B[4;44m"
#define RTT_CTRL_BG_BRIGHT_MAGENTA    "\x1B[4;45m"
#define RTT_CTRL_BG_BRIGHT_CYAN       "\x1B[4;46m"
#define RTT_CTRL_BG_BRIGHT_WHITE      "\x1B[4;47m"

#else
#define RTT_CTRL_RESET                "\e[0m"         // Reset to default colors
#define RTT_CTRL_CLEAR                "\e[2J"         // Clear screen, reposition cursor to top left

#define RTT_CTRL_TEXT_BLACK           "\e[2;30m"
#define RTT_CTRL_TEXT_RED             "\e[2;31m"
#define RTT_CTRL_TEXT_GREEN           "\e[2;32m"
#define RTT_CTRL_TEXT_YELLOW          "\e[2;33m"
#define RTT_CTRL_TEXT_BLUE            "\e[2;34m"
#define RTT_CTRL_TEXT_MAGENTA         "\e[2;35m"
#define RTT_CTRL_TEXT_CYAN            "\e[2;36m"
#define RTT_CTRL_TEXT_WHITE           "\e[2;37m"

#define RTT_CTRL_TEXT_BRIGHT_BLACK    "\e[1;30m"
#define RTT_CTRL_TEXT_BRIGHT_RED      "\e[1;31m"
#define RTT_CTRL_TEXT_BRIGHT_GREEN    "\e[1;32m"
#define RTT_CTRL_TEXT_BRIGHT_YELLOW   "\e[1;33m"
#define RTT_CTRL_TEXT_BRIGHT_BLUE     "\e[1;34m"
#define RTT_CTRL_TEXT_BRIGHT_MAGENTA  "\e[1;35m"
#define RTT_CTRL_TEXT_BRIGHT_CYAN     "\e[1;36m"
#define RTT_CTRL_TEXT_BRIGHT_WHITE    "\e[1;37m"

#define RTT_CTRL_BG_BLACK             "\e[24;40m"
#define RTT_CTRL_BG_RED               "\e[24;41m"
#define RTT_CTRL_BG_GREEN             "\e[24;42m"
#define RTT_CTRL_BG_YELLOW            "\e[24;43m"
#define RTT_CTRL_BG_BLUE              "\e[24;44m"
#define RTT_CTRL_BG_MAGENTA           "\e[24;45m"
#define RTT_CTRL_BG_CYAN              "\e[24;46m"
#define RTT_CTRL_BG_WHITE             "\e[24;47m"

#define RTT_CTRL_BG_BRIGHT_BLACK      "\e[4;40m"
#define RTT_CTRL_BG_BRIGHT_RED        "\e[4;41m"
#define RTT_CTRL_BG_BRIGHT_GREEN      "\e[4;42m"
#define RTT_CTRL_BG_BRIGHT_YELLOW     "\e[4;43m"
#define RTT_CTRL_BG_BRIGHT_BLUE       "\e[4;44m"
#define RTT_CTRL_BG_BRIGHT_MAGENTA    "\e[4;45m"
#define RTT_CTRL_BG_BRIGHT_CYAN       "\e[4;46m"
#define RTT_CTRL_BG_BRIGHT_WHITE      "\e[4;47m"

#endif