diff --git a/Marlin/M100_Free_Mem_Chk.cpp b/Marlin/M100_Free_Mem_Chk.cpp index c3027794c5..8804bab6a7 100644 --- a/Marlin/M100_Free_Mem_Chk.cpp +++ b/Marlin/M100_Free_Mem_Chk.cpp @@ -57,9 +57,6 @@ void prt_hex_byte(unsigned int); void prt_hex_word(unsigned int); int how_many_E5s_are_here(unsigned char*); - - - void gcode_M100() { static int m100_not_initialized = 1; unsigned char* sp, *ptr; @@ -73,49 +70,49 @@ void gcode_M100() { // probably caused by bad pointers. Any unexpected values will be flagged in // the right hand column to help spotting them. // -#if ENABLED(M100_FREE_MEMORY_DUMPER) // Disable to remove Dump sub-command - if (code_seen('D')) { - ptr = (unsigned char*) __brkval; - // - // We want to start and end the dump on a nice 16 byte boundry even though - // the values we are using are not 16 byte aligned. - // - SERIAL_ECHOPGM("\n__brkval : "); - prt_hex_word((unsigned int) ptr); - ptr = (unsigned char*)((unsigned long) ptr & 0xfff0); - sp = top_of_stack(); - SERIAL_ECHOPGM("\nStack Pointer : "); - prt_hex_word((unsigned int) sp); - SERIAL_EOL; - sp = (unsigned char*)((unsigned long) sp | 0x000f); - n = sp - ptr; - // - // This is the main loop of the Dump command. - // - while (ptr < sp) { - prt_hex_word((unsigned int) ptr); // Print the address - SERIAL_CHAR(':'); - for (i = 0; i < 16; i++) { // and 16 data bytes - prt_hex_byte(*(ptr + i)); - SERIAL_CHAR(' '); - delay(2); - } - SERIAL_CHAR('|'); // now show where non 0xE5's are - for (i = 0; i < 16; i++) { - delay(2); - if (*(ptr + i) == 0xe5) - SERIAL_CHAR(' '); - else - SERIAL_CHAR('?'); - } + #if ENABLED(M100_FREE_MEMORY_DUMPER) // Disable to remove Dump sub-command + if (code_seen('D')) { + ptr = (unsigned char*) __brkval; + // + // We want to start and end the dump on a nice 16 byte boundry even though + // the values we are using are not 16 byte aligned. + // + SERIAL_ECHOPGM("\n__brkval : "); + prt_hex_word((unsigned int) ptr); + ptr = (unsigned char*)((unsigned long) ptr & 0xfff0); + sp = top_of_stack(); + SERIAL_ECHOPGM("\nStack Pointer : "); + prt_hex_word((unsigned int) sp); SERIAL_EOL; - ptr += 16; - delay(2); + sp = (unsigned char*)((unsigned long) sp | 0x000f); + n = sp - ptr; + // + // This is the main loop of the Dump command. + // + while (ptr < sp) { + prt_hex_word((unsigned int) ptr); // Print the address + SERIAL_CHAR(':'); + for (i = 0; i < 16; i++) { // and 16 data bytes + prt_hex_byte(*(ptr + i)); + SERIAL_CHAR(' '); + delay(2); + } + SERIAL_CHAR('|'); // now show where non 0xE5's are + for (i = 0; i < 16; i++) { + delay(2); + if (*(ptr + i) == 0xe5) + SERIAL_CHAR(' '); + else + SERIAL_CHAR('?'); + } + SERIAL_EOL; + ptr += 16; + delay(2); + } + SERIAL_ECHOLNPGM("Done."); + return; } - SERIAL_ECHOLNPGM("Done."); - return; - } -#endif + #endif // // M100 F requests the code to return the number of free bytes in the memory pool along with // other vital statistics that define the memory pool. @@ -158,28 +155,28 @@ void gcode_M100() { // M100 C x Corrupts x locations in the free memory pool and reports the locations of the corruption. // This is useful to check the correctness of the M100 D and the M100 F commands. // -#if ENABLED(M100_FREE_MEMORY_CORRUPTOR) - if (code_seen('C')) { - int x = code_value_int(); // x gets the # of locations to corrupt within the memory pool - SERIAL_ECHOLNPGM("Corrupting free memory block.\n"); - ptr = (unsigned char*) __brkval; - SERIAL_ECHOPAIR("\n__brkval : ", ptr); - ptr += 8; - sp = top_of_stack(); - SERIAL_ECHOPAIR("\nStack Pointer : ", sp); - SERIAL_ECHOLNPGM("\n"); - n = sp - ptr - 64; // -64 just to keep us from finding interrupt activity that - // has altered the stack. - j = n / (x + 1); - for (i = 1; i <= x; i++) { - *(ptr + (i * j)) = i; - SERIAL_ECHOPGM("\nCorrupting address: 0x"); - prt_hex_word((unsigned int)(ptr + (i * j))); + #if ENABLED(M100_FREE_MEMORY_CORRUPTOR) + if (code_seen('C')) { + int x = code_value_int(); // x gets the # of locations to corrupt within the memory pool + SERIAL_ECHOLNPGM("Corrupting free memory block.\n"); + ptr = (unsigned char*) __brkval; + SERIAL_ECHOPAIR("\n__brkval : ", ptr); + ptr += 8; + sp = top_of_stack(); + SERIAL_ECHOPAIR("\nStack Pointer : ", sp); + SERIAL_ECHOLNPGM("\n"); + n = sp - ptr - 64; // -64 just to keep us from finding interrupt activity that + // has altered the stack. + j = n / (x + 1); + for (i = 1; i <= x; i++) { + *(ptr + (i * j)) = i; + SERIAL_ECHOPGM("\nCorrupting address: 0x"); + prt_hex_word((unsigned int)(ptr + (i * j))); + } + SERIAL_ECHOLNPGM("\n"); + return; } - SERIAL_ECHOLNPGM("\n"); - return; - } -#endif + #endif // // M100 I Initializes the free memory pool so it can be watched and prints vital // statistics that define the free memory pool.