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3219d65387
* clean up RedirectablePrint::log so it doesn't have three very different implementations inline. * remove NoopPrint - it is no longer needed * when talking to API clients via serial, don't turn off log msgs instead encapsuate them * fix the build - would loop forever if there were no files to send * don't use Segger code if not talking to a Segger debugger * when encapsulating logs, make sure the strings always has nul terminators * nrf52 soft device will watchdog if you use ICE while BT on... so have debugger disable bluetooth. * Important to not print debug messages while writing to the toPhone scratch buffer * don't include newlines if encapsulating log records as protobufs --------- Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
#pragma once
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#include "../freertosinc.h"
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#include <Print.h>
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#include <stdarg.h>
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#include <string>
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/**
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* A Printable that can be switched to squirt its bytes to a different sink.
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* This class is mostly useful to allow debug printing to be redirected away from Serial
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* to some other transport if we switch Serial usage (on the fly) to some other purpose.
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*/
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class RedirectablePrint : public Print
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{
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Print *dest;
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/// Used to allow multiple logDebug messages to appear on a single log line
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bool isContinuationMessage = false;
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#ifdef HAS_FREE_RTOS
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SemaphoreHandle_t inDebugPrint = nullptr;
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StaticSemaphore_t _MutexStorageSpace;
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#else
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volatile bool inDebugPrint = false;
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#endif
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public:
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explicit RedirectablePrint(Print *_dest) : dest(_dest) {}
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/**
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* Set a new destination
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*/
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void rpInit();
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void setDestination(Print *dest);
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virtual size_t write(uint8_t c);
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/**
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* Debug logging print message
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*
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* If the provide format string ends with a newline we assume it is the final print of a single
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* log message. Otherwise we assume more prints will come before the log message ends. This
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* allows you to call logDebug a few times to build up a single log message line if you wish.
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*/
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void log(const char *logLevel, const char *format, ...) __attribute__((format(printf, 3, 4)));
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/** like printf but va_list based */
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size_t vprintf(const char *logLevel, const char *format, va_list arg);
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void hexDump(const char *logLevel, unsigned char *buf, uint16_t len);
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std::string mt_sprintf(const std::string fmt_str, ...);
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protected:
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/// Subclasses can override if they need to change how we format over the serial port
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virtual void log_to_serial(const char *logLevel, const char *format, va_list arg);
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private:
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void log_to_syslog(const char *logLevel, const char *format, va_list arg);
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void log_to_ble(const char *logLevel, const char *format, va_list arg);
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}; |