diff options
| -rw-r--r-- | include/rtthread.h | 7 | ||||
| -rw-r--r-- | src/Kconfig | 12 | ||||
| -rw-r--r-- | src/kservice.c | 36 |
3 files changed, 55 insertions, 0 deletions
diff --git a/include/rtthread.h b/include/rtthread.h index 7f97c068cd..a87515907e 100644 --- a/include/rtthread.h +++ b/include/rtthread.h @@ -783,6 +783,13 @@ void rt_components_board_init(void); #else int rt_kprintf(const char *fmt, ...); void rt_kputs(const char *str); +#ifdef RT_USING_CONSOLE_OUTPUT_CTL +void rt_console_output_set_enabled(rt_bool_t enabled); +rt_bool_t rt_console_output_get_enabled(void); +#else +#define rt_console_output_set_enabled(enabled) ((void)0) +#define rt_console_output_get_enabled() (RT_TRUE) +#endif /* RT_USING_CONSOLE_OUTPUT_CTL */ #endif /* RT_USING_CONSOLE */ rt_err_t rt_backtrace(void); diff --git a/src/Kconfig b/src/Kconfig index f57b305ca2..d278169da0 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -430,6 +430,18 @@ if RT_USING_CONSOLE string "the device name for console" default "uart1" + config RT_USING_CONSOLE_OUTPUT_CTL + bool "Enable runtime console output control" + default y + help + Enable runtime control for console output. + When enabled, rt_console_output_set_enabled() and + rt_console_output_get_enabled() can be used to switch + rt_kputs()/rt_kprintf() output on or off dynamically. + + When disabled, these APIs are not compiled as real symbols and + output path has no runtime check, so console output stays enabled. + endif config RT_VER_NUM diff --git a/src/kservice.c b/src/kservice.c index 259eac9a70..29c9022c89 100644 --- a/src/kservice.c +++ b/src/kservice.c @@ -208,6 +208,32 @@ rt_device_t rt_console_set_device(const char *name) RTM_EXPORT(rt_console_set_device); #endif /* RT_USING_DEVICE */ +#ifdef RT_USING_CONSOLE_OUTPUT_CTL +static volatile rt_bool_t _console_output_enabled = RT_TRUE; + +/** + * @brief Enable or disable console log output. + * + * @param enabled RT_TRUE to enable output, RT_FALSE to disable output. + */ +void rt_console_output_set_enabled(rt_bool_t enabled) +{ + _console_output_enabled = enabled; +} +RTM_EXPORT(rt_console_output_set_enabled); + +/** + * @brief Get current console log output enable state. + * + * @return RT_TRUE if output is enabled, RT_FALSE otherwise. + */ +rt_bool_t rt_console_output_get_enabled(void) +{ + return _console_output_enabled; +} +RTM_EXPORT(rt_console_output_get_enabled); +#endif /* RT_USING_CONSOLE_OUTPUT_CTL */ + rt_weak void rt_hw_console_output(const char *str) { /* empty console output */ @@ -346,6 +372,11 @@ void rt_kputs(const char *str) return; } + if (!rt_console_output_get_enabled()) + { + return; + } + _kputs(str, rt_strlen(str)); } @@ -362,6 +393,11 @@ rt_weak int rt_kprintf(const char *fmt, ...) rt_size_t length = 0; static char rt_log_buf[RT_CONSOLEBUF_SIZE]; + if (!rt_console_output_get_enabled()) + { + return 0; + } + va_start(args, fmt); PRINTF_BUFFER_TAKE; |