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minor: improve trace output

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the USB trace now respects the global setting.
the verbosity is also decreased, not showing USB activity unless
debugging.
this also saves some space.

the reset cause is now printed.
the strings increase the bootloader size, but it already exceeded
the 16 kB limit when trace level is set to info.

Change-Id: I9ba08d4bb4f188f6e7a202ea86acb7a42a2054f3
This commit is contained in:
Kévin Redon
2019-12-11 16:44:02 +01:00
parent 198c3fb21b
commit 75a5f224c0
3 changed files with 23 additions and 15 deletions
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17
firmware/apps/dfu/main.c
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@@ -257,11 +257,24 @@ extern int main(void)
"=============================================================================\n\r",
manifest_revision, manifest_board);
TRACE_INFO("Chip ID: 0x%08x (Ext 0x%08x)\n\r", CHIPID->CHIPID_CIDR, CHIPID->CHIPID_EXID);
#if (TRACE_LEVEL >= TRACE_LEVEL_INFO)
TRACE_INFO("Chip ID: 0x%08lx (Ext 0x%08lx)\n\r", CHIPID->CHIPID_CIDR, CHIPID->CHIPID_EXID);
TRACE_INFO("Serial Nr. %08x-%08x-%08x-%08x\n\r",
g_unique_id[0], g_unique_id[1],
g_unique_id[2], g_unique_id[3]);
TRACE_INFO("Reset Cause: 0x%lx\n\r", reset_cause);
static const char* reset_causes[] = {
"general reset (first power-up reset)",
"backup reset (return from backup mode)",
"watchdog reset (watchdog fault occurred)",
"software reset (processor reset required by the software)",
"user reset (NRST pin detected low)",
};
if (reset_cause < ARRAY_SIZE(reset_causes)) {
TRACE_INFO("Reset Cause: %s\n\r", reset_causes[reset_cause]);
} else {
TRACE_INFO("Reset Cause: 0x%lx\n\r", (RSTC->RSTC_SR & RSTC_SR_RSTTYP_Msk) >> RSTC_SR_RSTTYP_Pos);
}
#endif
#if (TRACE_LEVEL >= TRACE_LEVEL_INFO)
/* Find out why we are in the DFU bootloader, and not the main application */