#include #include #include #include "xflash_dump.h" #ifdef XFLASH_DUMP #include "xflash.h" #include "Marlin.h" // for softReset bool xfdump_check_state(dump_crash_reason* reason) { uint32_t magic; XFLASH_SPI_ENTER(); xflash_rd_data(DUMP_OFFSET + offsetof(dump_t, header.magic), (uint8_t*)&magic, sizeof(magic)); if (magic != DUMP_MAGIC) return false; if (reason) { xflash_rd_data(DUMP_OFFSET + offsetof(dump_t, header.crash_reason), (uint8_t*)reason, sizeof(*reason)); } return true; } void xfdump_reset() { XFLASH_SPI_ENTER(); xflash_enable_wr(); xflash_sector_erase(DUMP_OFFSET + offsetof(dump_t, header.magic)); xflash_wait_busy(); } static void xfdump_erase() { for(uint32_t addr = DUMP_OFFSET; addr < DUMP_OFFSET + DUMP_SIZE; addr += 4096) { xflash_enable_wr(); xflash_sector_erase(DUMP_OFFSET); xflash_wait_busy(); } } static void xfdump_dump_core(dump_header_t& hdr, uint32_t addr, uint8_t* buf, uint16_t cnt) { XFLASH_SPI_ENTER(); // start by clearing all sectors (we need all of them in any case) xfdump_erase(); // write header static_assert(sizeof(hdr) <= 256, "header is larger than a single page write"); xflash_enable_wr(); xflash_page_program(DUMP_OFFSET, (uint8_t*)&hdr, sizeof(hdr)); xflash_wait_busy(); // write data static_assert(sizeof(dump_t::data) <= RAMEND+1, "dump area size insufficient"); xflash_multipage_program(addr, buf, cnt); } void xfdump_dump(uint16_t sp) { dump_header_t buf; buf.magic = DUMP_MAGIC; buf.regs_present = false; buf.crash_reason = (uint8_t)dump_crash_reason::manual; buf.sp = sp; // write sram only xfdump_dump_core(buf, DUMP_OFFSET + offsetof(dump_t, data.sram), (uint8_t*)RAMSTART, RAMSIZE); } void xfdump_full_dump_and_reset(uint16_t sp, dump_crash_reason reason) { dump_header_t buf; buf.magic = DUMP_MAGIC; buf.regs_present = true; buf.crash_reason = (uint8_t)reason; buf.sp = sp; // disable interrupts for a cleaner register dump cli(); // ensure there's always enough time (with some margin) to dump // dump time on w25x20cl: ~150ms wdt_enable(WDTO_500MS); // write all addressable ranges (this will trash bidirectional registers) xfdump_dump_core(buf, DUMP_OFFSET + offsetof(dump_t, data), 0, RAMEND+1); // force a reset even sooner softReset(); } #endif