AtGsmCommon/AtCommandsSrc/AtGsm_NetworkRegistrationSt...

63 lines
1.6 KiB
C
Executable File

//
// Created by xemon on 15.12.22.
//
#include <SystemDelayInterface.h>
#include "AtCmdCommonProtected.h"
#include "AsciiStringParsingUtils.h"
#include "AtGsm_NetworkRegistrationStatus.h"
AtCommandResult AtGsm_NetworkRegistrationStatus(
tAtCmd *env,
tAtGsm_NetworkRegistrationReportMode *mode,
tAtGsm_NetworkRegistrationState *state
) {
AtCmdPrepare(env);
AtCmdSendStatic(env, "AT+CREG?\r\n");
uint32_t timeout = 5000;
uint32_t endMs = SystemGetMs() + timeout;
uint32_t leftMs = timeout;
while (AtCmdReceiveNextLine(env, leftMs) == AT_OK) {
leftMs = endMs - SystemGetMs();
if (AtCmdRxBeginWithStatic(env, "AT+CREG")) {
AtCmdRxClear(env);
continue;
} else if (AtCmdRxBeginWithStatic(env, "OK")) {
AtCmdRxClear(env);
return AT_OK;
} else if (AtCmdRxBeginWithStatic(env, "ERROR")) {
AtCmdRxClear(env);
return AT_ERROR;
} else if (AtCmdRxBeginWithStatic(env, "+CREG: ")) {
char *front;
char *div = env->rxBuffer.data + sizeof("+CREG:");
char *end = div + env->rxBuffer.len;
if (iAsciiStringMoveToNextParsingBlock(&front, &div, end, ',')) {
*(char *) mode = *front;
}
if (iAsciiStringMoveToNextParsingBlock(&front, &div, end, ',')) {
*(char *) state = *front;
}
AtCmdRxClear(env);
} else {
AtCmdProcessUnresolvedLine(env);
AtCmdRxClear(env);
continue;
}
}
return AT_ERROR;
}