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Handle timeout exceptions during scans and report to the user.

This commit is contained in:
Gareth McMullin 2015-02-28 20:56:03 -08:00
parent d6225eec76
commit d0a03f55a6
1 changed files with 30 additions and 6 deletions
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36
src/command.c
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@ -23,6 +23,7 @@
*/
#include "general.h"
#include "exception.h"
#include "command.h"
#include "gdb_packet.h"
#include "jtag_scan.h"
@ -138,19 +139,30 @@ bool cmd_help(target *t)
static bool cmd_jtag_scan(target *t, int argc, char **argv)
{
(void)t;
uint8_t *irlens = NULL;
uint8_t irlens[argc];
gdb_outf("Target voltage: %s\n", platform_target_voltage());
if (argc > 1) {
/* Accept a list of IR lengths on command line */
irlens = alloca(argc);
for (int i = 1; i < argc; i++)
irlens[i-1] = atoi(argv[i]);
irlens[argc-1] = 0;
}
int devs = jtag_scan(irlens);
int devs = -1;
volatile struct exception e;
TRY_CATCH (e, EXCEPTION_ALL) {
devs = jtag_scan(argc > 1 ? irlens : NULL);
}
switch (e.type) {
case EXCEPTION_TIMEOUT:
gdb_outf("Timeout during scan. Is target stuck in WFI?\n");
break;
case EXCEPTION_ERROR:
gdb_outf("Exception: %s\n", e.msg);
break;
}
if(devs < 0) {
gdb_out("JTAG device scan failed!\n");
@ -174,13 +186,25 @@ bool cmd_swdp_scan(void)
{
gdb_outf("Target voltage: %s\n", platform_target_voltage());
if(adiv5_swdp_scan() < 0) {
int devs = -1;
volatile struct exception e;
TRY_CATCH (e, EXCEPTION_ALL) {
devs = adiv5_swdp_scan();
}
switch (e.type) {
case EXCEPTION_TIMEOUT:
gdb_outf("Timeout during scan. Is target stuck in WFI?\n");
break;
case EXCEPTION_ERROR:
gdb_outf("Exception: %s\n", e.msg);
break;
}
if(devs < 0) {
gdb_out("SW-DP scan failed!\n");
return false;
}
//gdb_outf("SW-DP detected IDCODE: 0x%08X\n", adiv5_dp_list->idcode);
cmd_targets(NULL);
return true;