AtGsmTelitLe910/Src/AtGsmQuerySignalQuality.c

61 lines
1.6 KiB
C

//
// Created by cfif on 07.06.2024.
//
#include <SystemDelayInterface.h>
#include "AtCmdCommonProtected.h"
#include "AsciiStringParsingUtils.h"
#include "AtGsmQuerySignalQuality.h"
#include "stdlib.h"
AtCommandResult AtGsm_QuerySignalQuality(
tAtCmd *env,
uint8_t *rssi
) {
AtCmdPrepare(env);
AtCmdRxClear(env);
AtCmdSendStatic(env, "AT+CSQ\r\n");
uint32_t timeout = 1000;
uint32_t endMs = SystemGetMs() + timeout;
uint32_t leftMs = timeout;
while ((AtCmdReceiveNextLine(env, leftMs) == AT_OK) && (SystemGetMs() < endMs)) {
leftMs = endMs - SystemGetMs();
if (AtCmdRxBeginWithStatic(env, "AT+CSQ")) {
AtCmdRxClear(env);
continue;
} else if (AtCmdRxBeginWithStatic(env, "ERROR")) {
AtCmdRxClear(env);
return AT_ERROR;
} else if (AtCmdRxBeginWithStatic(env, "+CSQ: ")) {
char *front;
char *div = env->rxBuffer.data + sizeof("+CSQ:") - 1;
char *end = div + env->rxBuffer.len;
uint8_t Ber = 0;
uint8_t Rssi = 0;
if (iAsciiStringMoveToNextParsingBlock(&front, &div, end, ',')) {
Rssi = atoi(front);
*(uint8_t *) rssi = Rssi;
}
if (iAsciiStringMoveToNextParsingBlock(&front, &div, end, ',')) {
Ber = atoi(front);
}
AtCmdRxClear(env);
return AT_OK;
} else {
AtCmdProcessUnresolvedLine(env);
AtCmdRxClear(env);
continue;
}
}
return AT_ERROR;
}