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Implement CmdBWMWifi for WiFi connection setup

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Signed-off-by: Niel Nielsen <nieldk@gmail.com>
This commit is contained in:
Niel Nielsen
2026-08-27 13:25:49 +02:00
committed by GitHub
parent 57ea719363
commit 862341207c
1 changed files with 64 additions and 3 deletions
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client/src/cmdhw.c
+64 -3
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@@ -1551,10 +1551,70 @@ static int CmdBwmAutoOff(const char *Cmd) {
}
static int CmdBWMWifi(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "hw bwmwifi",
"Bring up the BWM in STA + TCP-server mode: join a WiFi network and\n"
"start a TCP server so the client can connect over WiFi. PM5 only.",
"hw bwmwifi --ssid Home --pwd secret --> port 7777\n"
"hw bwmwifi --ssid Home --pwd secret --port 9000");
void *argtable[] = {
arg_param_begin,
arg_str1(NULL, "ssid", "<ssid>", "WiFi SSID to join"),
arg_str0(NULL, "pwd", "<pwd>", "WiFi password (omit for open network)"),
arg_int0(NULL, "port", "<dec>", "TCP server listen port (default 7777)"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
uint8_t ssid[64] = {0};
int ssid_len = 0;
CLIParamStrToBuf(arg_get_str(ctx, 1), ssid, sizeof(ssid) - 1, &ssid_len);
uint8_t pwd[64] = {0};
int pwd_len = 0;
CLIParamStrToBuf(arg_get_str(ctx, 2), pwd, sizeof(pwd) - 1, &pwd_len);
int port = arg_get_int_def(ctx, 3, 7777);
CLIParserFree(ctx);
if (ssid_len == 0) {
PrintAndLogEx(FAILED, "an SSID is required");
return PM3_EINVARG;
}
if (port < 1 || port > 65535) {
PrintAndLogEx(FAILED, "port must be 1..65535");
return PM3_EINVARG;
}
// payload: [port:u16 LE][ssid\0][pwd\0]
uint8_t data[140] = {0};
int n = 0;
data[n++] = (uint8_t)(port & 0xFF);
data[n++] = (uint8_t)((port >> 8) & 0xFF);
memcpy(&data[n], ssid, ssid_len); n += ssid_len; data[n++] = 0;
memcpy(&data[n], pwd, pwd_len); n += pwd_len; data[n++] = 0;
PrintAndLogEx(INFO, "Bringing up BWM WiFi (SSID \"%s\", port %d)... this can take ~15s", ssid, port);
clearCommandBuffer();
SendCommandNG(CMD_PM5_BWM_WIFI, data, n);
PacketResponseNG resp;
// ARM blocks during the join (WAIT is up to ~15s), so allow a long client timeout
if (WaitForResponseTimeout(CMD_PM5_BWM_WIFI, &resp, 25000) == false) {
PrintAndLogEx(WARNING, "command timeout (is this a PM5 with a BWM fitted?)");
return PM3_ETIMEOUT;
}
if (resp.status != PM3_SUCCESS) {
PrintAndLogEx(FAILED, "BWM WiFi bring-up failed (check SSID/password and signal)");
return resp.status;
}
uint32_t ip = resp.data.asDwords[0];
PrintAndLogEx(SUCCESS, "BWM on WiFi at %u.%u.%u.%u",
ip & 0xFF, (ip>>8)&0xFF, (ip>>16)&0xFF, (ip>>24)&0xFF);
PrintAndLogEx(HINT, "Connect with: " _YELLOW_("pm3 -p tcp:%u.%u.%u.%u:%u"),
ip & 0xFF, (ip>>8)&0xFF, (ip>>16)&0xFF, (ip>>24)&0xFF, port);
ip & 0xFF, (ip >> 8) & 0xFF, (ip >> 16) & 0xFF, (ip >> 24) & 0xFF);
PrintAndLogEx(HINT, "Connect with: " _YELLOW_("pm3 -p tcp:%u.%u.%u.%u:%d"),
ip & 0xFF, (ip >> 8) & 0xFF, (ip >> 16) & 0xFF, (ip >> 24) & 0xFF, port);
return PM3_SUCCESS;
}
@@ -2121,6 +2181,7 @@ static command_t CommandTable[] = {
{"bwmsetcap", CmdBwmSetCap, IfPm5, "Set BWM fuel-gauge design capacity (PM5, run once after battery change)"},
{"bwmcharge", CmdBwmCharge, IfPm5, "Enable/disable BWM battery charging (PM5, one-shot)"},
{"bwmautooff", CmdBwmAutoOff, IfPm5, "Toggle auto power-off on USB unplug (PM5, BWM)"},
{"bwmwifi", CmdBWMWifi, IfPm5, "Bring up BWM WiFi (STA + TCP server) for a tcp: connection (PM5)"},
{"tune", CmdTune, IfPm3Lf, "Measure tuning of device antenna"},
{"decay", CmdDecay, IfPm3Present, "Measure HF antenna decay after field-off"},
{NULL, NULL, NULL, NULL}