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Report the crash log to mdash

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This commit is contained in:
robert
2026-09-28 14:05:58 +03:00
parent 2834aa57ee
commit 795f16d5fb
6 changed files with 55 additions and 31 deletions
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mongoose.c
+25 -5
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@@ -7032,11 +7032,31 @@ static void mg_mdash_fn(struct mg_connection *c, int ev, void *ev_data) {
}
static void mg_mdash_rpc_get_info(struct mg_rpc_req *r) {
mg_rpc_ok(r, "{%m:%m,%m:%llu,%m:%m,%m:\"mws.%d\"}", MG_ESC("fw_version"),
MG_ESC(MG_MDASH_FIRMWARE_VERSION), MG_ESC("uptime"),
(uint64_t) (mg_millis() / 1000), MG_ESC("reboot_reason"),
MG_ESC(mg_health_reason_str(mg_health_reason())), MG_ESC("arch"),
MG_ARCH);
if (mg_health_valid()) {
uint32_t *data = mg_health_record.backtrace;
mg_rpc_ok(r,
"{%m:%m,%m:%llu,%m:%m,%m:\"mws.%d\",%m:{%m:true,"
"%m:{%m:\"0x%08lx\",%m:\"0x%08lx\",%m:\"0x%08lx\"},"
"%m:{%m:\"0x%08lx\",%m:%m}}}",
MG_ESC("fw_version"), MG_ESC(MG_MDASH_FIRMWARE_VERSION),
MG_ESC("uptime"), (uint64_t) (mg_millis() / 1000),
MG_ESC("reboot_reason"),
MG_ESC(mg_health_reason_str(mg_health_reason())), MG_ESC("arch"),
MG_ARCH, MG_ESC("report"), MG_ESC("valid"), MG_ESC("regs"),
MG_ESC("sp"), (unsigned long) data[0], MG_ESC("lr"),
(unsigned long) data[1], MG_ESC("pc"), (unsigned long) data[2],
MG_ESC("stack"), MG_ESC("addr"), (unsigned long) data[0],
MG_ESC("data"), mg_print_base64,
(int) ((MG_HEALTH_BACKTRACE - 3) * sizeof(data[0])),
(uint8_t *) &data[3]);
} else {
mg_rpc_ok(r, "{%m:%m,%m:%llu,%m:%m,%m:\"mws.%d\",%m:{%m:false}}",
MG_ESC("fw_version"), MG_ESC(MG_MDASH_FIRMWARE_VERSION),
MG_ESC("uptime"), (uint64_t) (mg_millis() / 1000),
MG_ESC("reboot_reason"),
MG_ESC(mg_health_reason_str(mg_health_reason())), MG_ESC("arch"),
MG_ARCH, MG_ESC("report"), MG_ESC("valid"));
}
}
static void mg_mdash_rpc_ota_begin(struct mg_rpc_req *r) {
mongoose.h
+2
View File
@@ -4968,7 +4968,9 @@ enum mg_health_reason {
MG_HEALTH_RESET_FAULT // Fault handler ran, see regs[] and saved_stack
};
#ifndef MG_HEALTH_BACKTRACE
#define MG_HEALTH_BACKTRACE 20 // Return addresses in mg_health::backtrace
#endif
struct mg_health {
char magic[4]; // MG_HEALTH_MAGIC when the record holds valid data
src/health.h
+2
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@@ -52,7 +52,9 @@ enum mg_health_reason {
MG_HEALTH_RESET_FAULT // Fault handler ran, see regs[] and saved_stack
};
#ifndef MG_HEALTH_BACKTRACE
#define MG_HEALTH_BACKTRACE 20 // Return addresses in mg_health::backtrace
#endif
struct mg_health {
char magic[4]; // MG_HEALTH_MAGIC when the record holds valid data
src/mdash.c
+25 -5
View File
@@ -91,11 +91,31 @@ static void mg_mdash_fn(struct mg_connection *c, int ev, void *ev_data) {
}
static void mg_mdash_rpc_get_info(struct mg_rpc_req *r) {
mg_rpc_ok(r, "{%m:%m,%m:%llu,%m:%m,%m:\"mws.%d\"}", MG_ESC("fw_version"),
MG_ESC(MG_MDASH_FIRMWARE_VERSION), MG_ESC("uptime"),
(uint64_t) (mg_millis() / 1000), MG_ESC("reboot_reason"),
MG_ESC(mg_health_reason_str(mg_health_reason())), MG_ESC("arch"),
MG_ARCH);
if (mg_health_valid()) {
uint32_t *data = mg_health_record.backtrace;
mg_rpc_ok(r,
"{%m:%m,%m:%llu,%m:%m,%m:\"mws.%d\",%m:{%m:true,"
"%m:{%m:\"0x%08lx\",%m:\"0x%08lx\",%m:\"0x%08lx\"},"
"%m:{%m:\"0x%08lx\",%m:%m}}}",
MG_ESC("fw_version"), MG_ESC(MG_MDASH_FIRMWARE_VERSION),
MG_ESC("uptime"), (uint64_t) (mg_millis() / 1000),
MG_ESC("reboot_reason"),
MG_ESC(mg_health_reason_str(mg_health_reason())), MG_ESC("arch"),
MG_ARCH, MG_ESC("report"), MG_ESC("valid"), MG_ESC("regs"),
MG_ESC("sp"), (unsigned long) data[0], MG_ESC("lr"),
(unsigned long) data[1], MG_ESC("pc"), (unsigned long) data[2],
MG_ESC("stack"), MG_ESC("addr"), (unsigned long) data[0],
MG_ESC("data"), mg_print_base64,
(int) ((MG_HEALTH_BACKTRACE - 3) * sizeof(data[0])),
(uint8_t *) &data[3]);
} else {
mg_rpc_ok(r, "{%m:%m,%m:%llu,%m:%m,%m:\"mws.%d\",%m:{%m:false}}",
MG_ESC("fw_version"), MG_ESC(MG_MDASH_FIRMWARE_VERSION),
MG_ESC("uptime"), (uint64_t) (mg_millis() / 1000),
MG_ESC("reboot_reason"),
MG_ESC(mg_health_reason_str(mg_health_reason())), MG_ESC("arch"),
MG_ARCH, MG_ESC("report"), MG_ESC("valid"));
}
}
static void mg_mdash_rpc_ota_begin(struct mg_rpc_req *r) {
tutorials/stm32/nucleo-h723zg/minimal/main.c
-21
View File
@@ -117,27 +117,6 @@ int main(void) {
MG_INFO(("Initialised. CPU clock: %lu MHz", SystemCoreClock / 1000000));
// Report the previous boot's crash backtrace, if any
if (mg_health_reason() == MG_HEALTH_RESET_FAULT) {
uint32_t *r = mg_health_record.backtrace;
static char buf[512];
size_t len = mg_snprintf(
buf, sizeof(buf),
"{\"image\":\"firmware.elf\",\"binary\":\"firmware.bin\","
"\"regs\":{\"sp\":\"0x%08lx\",\"lr\":\"0x%08lx\","
"\"pc\":\"0x%08lx\"},\"stack\":{\"addr\":\"0x%08lx\","
"\"words\":[",
(unsigned long) r[CRASH_SP], (unsigned long) r[CRASH_LR],
(unsigned long) r[CRASH_PC], (unsigned long) r[CRASH_SP]);
for (size_t i = CRASH_STACK; i < MG_HEALTH_BACKTRACE; i++) {
len += mg_snprintf(buf + len, sizeof(buf) - len, "%s\"0x%08lx\"",
i == CRASH_STACK ? "" : ",",
(unsigned long) r[i]);
}
mg_snprintf(buf + len, sizeof(buf) - len, "]}}");
MG_INFO(("Previous boot crash: %s", buf));
}
struct mg_mgr mgr;
mg_mgr_init(&mgr);
mg_http_listen(&mgr, "http://0.0.0.0", http_ev_handler, NULL);
tutorials/stm32/nucleo-h723zg/minimal/mongoose_config.h
+1
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@@ -28,6 +28,7 @@
// Crash report support. Health record lives in the .mg_health region, see link.ld
#define MG_HEALTH_RAM __attribute__((section(".mg_health")))
#define MG_HEALTH_BACKTRACE 1022 // fill the 4KB backup SRAM
// mdash.net device management service support
#define MG_ENABLE_MDASH 1