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Minor M100 cleanup

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This commit is contained in:
Scott Lahteine 2019-06-12 03:12:03 -05:00
parent 356410dcfc
commit 04715e04ee
2 changed files with 24 additions and 33 deletions
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55
Marlin/src/gcode/calibrate/M100.cpp
View file

@ -51,7 +51,7 @@
* Also, there are two support functions that can be called from a developer's C code.
*
* uint16_t check_for_free_memory_corruption(PGM_P const free_memory_start);
* void M100_dump_routine(PGM_P const title, const char *start, const char *end);
* void M100_dump_routine(PGM_P const title, char *start, char *end);
*
* Initial version by Roxy-3D
*/
@ -63,43 +63,34 @@
#if defined(__AVR__) || IS_32BIT_TEENSY
extern char __bss_end;
char* end_bss = &__bss_end;
char* free_memory_start = end_bss;
char* free_memory_end = 0;
char* stacklimit = 0;
char* heaplimit = 0;
char *end_bss = &__bss_end,
*free_memory_start = end_bss, *free_memory_end = 0,
*stacklimit = 0, *heaplimit = 0;
#define MEMORY_END_CORRECTION 0
#elif defined(TARGET_LPC1768)
extern char __bss_end__;
extern char __StackLimit;
extern char __HeapLimit;
extern char __bss_end__, __StackLimit, __HeapLimit;
char* end_bss = &__bss_end__;
char* stacklimit = &__StackLimit;
char* heaplimit = &__HeapLimit ;
char *end_bss = &__bss_end__,
*stacklimit = &__StackLimit,
*heaplimit = &__HeapLimit ;
#define MEMORY_END_CORRECTION 0x200
char* free_memory_start = heaplimit;
char* free_memory_end = stacklimit - MEMORY_END_CORRECTION;
char *free_memory_start = heaplimit,
*free_memory_end = stacklimit - MEMORY_END_CORRECTION;
#elif defined(__SAM3X8E__)
extern char _ebss;
extern char _ebss;
char* end_bss = &_ebss;
char* free_memory_start = end_bss;
char* free_memory_end = 0;
char* stacklimit = 0;
char* heaplimit = 0;
char *end_bss = &_ebss,
*free_memory_start = end_bss,
*free_memory_end = 0,
*stacklimit = 0,
*heaplimit = 0;
#define MEMORY_END_CORRECTION 0x10000 // need to stay well below 0x20080000 or M100 F crashes
@ -141,7 +132,7 @@ inline int32_t count_test_bytes(const char * const start_free_memory) {
* the block. If so, it may indicate memory corruption due to a bad pointer.
* Unexpected bytes are flagged in the right column.
*/
inline void dump_free_memory(const char *start_free_memory, const char *end_free_memory) {
inline void dump_free_memory(char *start_free_memory, char *end_free_memory) {
//
// Start and end the dump on a nice 16 byte boundary
// (even though the values are not 16-byte aligned).
@ -162,7 +153,7 @@ inline int32_t count_test_bytes(const char * const start_free_memory) {
SERIAL_CHAR('|'); // Point out non test bytes
for (uint8_t i = 0; i < 16; i++) {
char ccc = (char)start_free_memory[i]; // cast to char before automatically casting to char on assignment, in case the compiler is broken
if (&start_free_memory[i] >= (const char*)command_queue && &start_free_memory[i] < (const char*)(command_queue + sizeof(command_queue))) { // Print out ASCII in the command buffer area
if (&start_free_memory[i] >= (char*)command_queue && &start_free_memory[i] < (char*)command_queue + sizeof(command_queue)) { // Print out ASCII in the command buffer area
if (!WITHIN(ccc, ' ', 0x7E)) ccc = ' ';
}
else { // If not in the command buffer area, flag bytes that don't match the test byte
@ -177,7 +168,7 @@ inline int32_t count_test_bytes(const char * const start_free_memory) {
}
}
void M100_dump_routine(PGM_P const title, const char *start, const char *end) {
void M100_dump_routine(PGM_P const title, char *start, char *end) {
serialprintPGM(title);
SERIAL_EOL();
//
@ -198,7 +189,7 @@ inline int check_for_free_memory_corruption(PGM_P const title) {
SERIAL_ECHOPAIR("\nfmc() n=", n);
SERIAL_ECHOPAIR("\nfree_memory_start=", hex_address(free_memory_start));
SERIAL_ECHOLNPAIR(" end_free_memory=", hex_address(end_free_memory));
SERIAL_ECHOLNPAIR(" end_free_memory=", hex_address(end_free_memory));
if (end_free_memory < start_free_memory) {
SERIAL_ECHOPGM(" end_free_memory < Heap ");
@ -340,11 +331,11 @@ void GcodeSuite::M100() {
char *sp = top_of_stack();
if (!free_memory_end) free_memory_end = sp - MEMORY_END_CORRECTION;
SERIAL_ECHOPAIR("\nbss_end : ", hex_address(end_bss));
if (heaplimit) SERIAL_ECHOPAIR("\n__heaplimit : ", hex_address(heaplimit ));
if (heaplimit) SERIAL_ECHOPAIR("\n__heaplimit : ", hex_address(heaplimit));
SERIAL_ECHOPAIR("\nfree_memory_start : ", hex_address(free_memory_start));
if (stacklimit) SERIAL_ECHOPAIR("\n__stacklimit : ", hex_address(stacklimit));
SERIAL_ECHOPAIR("\nfree_memory_end : ", hex_address(free_memory_end ));
if (MEMORY_END_CORRECTION) SERIAL_ECHOPAIR("\nMEMORY_END_CORRECTION: ", MEMORY_END_CORRECTION );
SERIAL_ECHOPAIR("\nfree_memory_end : ", hex_address(free_memory_end));
if (MEMORY_END_CORRECTION) SERIAL_ECHOPAIR("\nMEMORY_END_CORRECTION: ", MEMORY_END_CORRECTION);
SERIAL_ECHOLNPAIR("\nStack Pointer : ", hex_address(sp));
// Always init on the first invocation of M100

2
Marlin/src/gcode/gcode.cpp
View file

@ -181,7 +181,7 @@ void GcodeSuite::dwell(millis_t time) {
// Placeholders for non-migrated codes
//
#if ENABLED(M100_FREE_MEMORY_WATCHER)
extern void M100_dump_routine(PGM_P const title, const char *start, const char *end);
extern void M100_dump_routine(PGM_P const title, char *start, char *end);
#endif
/**