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Add generic tear-off hook

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This commit is contained in:
Philippe Teuwen
2020-10-09 01:52:42 +02:00
parent f3a3a94fea
commit 7f8a4b4182
5 changed files with 119 additions and 16 deletions
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53
client/src/cmdhw.c
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@@ -15,6 +15,7 @@
#include <ctype.h>
#include "cmdparser.h" // command_t
#include "cliparser.h"
#include "comms.h"
#include "usart_defs.h"
#include "ui.h"
@@ -515,6 +516,57 @@ static int CmdStatus(const char *Cmd) {
return PM3_SUCCESS;
}
static int CmdTearoff(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "hw tearoff",
"Configure a tear-off hook for the next write command supporting tear-off\n"
"After having been triggered by a write command, the tear-off hook is deactivated",
"hw tearoff --delay 1200 --> define delay of 1200us\n"
"hw tearoff --on --> (re)activate a previously defined delay\n"
"hw tearoff --off --> deactivate a previously activated but not yet triggered hook\n");
void *argtable[] = {
arg_param_begin,
arg_int0(NULL, "delay", "<decimal>", "Delay in us before triggering tear-off, must be > 0"),
arg_lit0(NULL, "on", "Activate tear-off hook"),
arg_lit0(NULL, "off", "Deactivate tear-off hook"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
struct {
uint32_t delay_us;
bool on;
bool off;
} PACKED params;
params.delay_us = arg_get_u32_def(ctx, 1, 0);
params.on = arg_get_lit(ctx, 2);
params.off = arg_get_lit(ctx, 3);
CLIParserFree(ctx);
if (params.on && params.off) {
PrintAndLogEx(WARNING, "You can't set both --on and --off!");
return PM3_EINVARG;
}
clearCommandBuffer();
SendCommandNG(CMD_SET_TEAROFF, (uint8_t *)&params, sizeof(params));
PacketResponseNG resp;
if (WaitForResponseTimeout(CMD_SET_TEAROFF, &resp, 500) == false) {
PrintAndLogEx(WARNING, "Tear-off command timeout.");
return PM3_ETIMEOUT;
}
if (resp.status == PM3_SUCCESS) {
if (params.delay_us > 0)
PrintAndLogEx(INFO, "Tear-off hook configured with delay of %ius.", params.delay_us);
if (params.on)
PrintAndLogEx(INFO, "Tear-off hook enabled.");
if (params.off)
PrintAndLogEx(INFO, "Tear-off hook disabled.");
return PM3_SUCCESS;
}
PrintAndLogEx(WARNING, "Tear-off command failed.");
return resp.status;
}
static int CmdTia(const char *Cmd) {
(void)Cmd; // Cmd is not used so far
PrintAndLogEx(INFO, "Triggering new Timing Interval Acquisition (TIA)...");
@@ -621,6 +673,7 @@ static command_t CommandTable[] = {
{"setmux", CmdSetMux, IfPm3Present, "Set the ADC mux to a specific value"},
{"standalone", CmdStandalone, IfPm3Present, "Jump to the standalone mode"},
{"status", CmdStatus, IfPm3Present, "Show runtime status information about the connected Proxmark3"},
{"tearoff", CmdTearoff, IfPm3Present, "Program a tearoff hook for the next command supporting tearoff"},
{"tia", CmdTia, IfPm3Present, "Trigger a Timing Interval Acquisition to re-adjust the RealTimeCounter divider"},
{"tune", CmdTune, IfPm3Present, "Measure antenna tuning"},
{"version", CmdVersion, IfPm3Present, "Show version information about the connected Proxmark3"},