From 0a3c8470dc6d42a645b0fd6df86262642210f6e7 Mon Sep 17 00:00:00 2001
From: cfif <cham-zod@mail.ru>
Date: Thu, 19 Dec 2024 14:34:54 +0300
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---
 Inc/AtGsmGNSS.h |  23 ++++++++++
 Src/AtGsmGNSS.c | 114 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 137 insertions(+)
 create mode 100644 Inc/AtGsmGNSS.h
 create mode 100644 Src/AtGsmGNSS.c

diff --git a/Inc/AtGsmGNSS.h b/Inc/AtGsmGNSS.h
new file mode 100644
index 0000000..4e23011
--- /dev/null
+++ b/Inc/AtGsmGNSS.h
@@ -0,0 +1,23 @@
+//
+// Created by cfif on 19.12.2024.
+//
+
+#ifndef UVEOS_ON_NATION_ATGSMGNSS_H
+#define UVEOS_ON_NATION_ATGSMGNSS_H
+
+#include "AtCmdBase.h"
+
+AtCommandResult AtGsm_ReceiverGnssStartStop(
+        tAtCmd *env,
+        bool isStartStop
+);
+
+AtCommandResult AtGsm_ReceiverGnssClearBuffer(
+        tAtCmd *env
+);
+
+AtCommandResult AtGsm_ReceiverGnssResetColdstart(
+        tAtCmd *env
+);
+
+#endif //UVEOS_ON_NATION_ATGSMGNSS_H
diff --git a/Src/AtGsmGNSS.c b/Src/AtGsmGNSS.c
new file mode 100644
index 0000000..3bfa70c
--- /dev/null
+++ b/Src/AtGsmGNSS.c
@@ -0,0 +1,114 @@
+//
+// Created by cfif on 19.12.2024.
+//
+#include <SystemDelayInterface.h>
+#include "AtCmdCommonProtected.h"
+#include "AsciiStringParsingUtils.h"
+#include "AtGsmQuerySignalQuality.h"
+#include "stdlib.h"
+
+AtCommandResult AtGsm_ReceiverGnssStartStop(
+        tAtCmd *env,
+        bool isStartStop
+) {
+
+    AtCmdTxClear(env);
+    AtCmdTxAddStatic(env, "AT$GPSP=");
+    AtCmdTxAddChar(env, isStartStop ? '1' : '0');
+    AtCmdTxSendLn(env);
+
+    uint32_t timeout = 1000;
+    uint32_t endMs = SystemGetMs() + timeout;
+    uint32_t leftMs = timeout;
+
+    while ((AtCmdReceiveNextLine(env, leftMs) == AT_OK) && (SystemGetMs() < endMs)) {
+        leftMs = endMs - SystemGetMs();
+
+        if (AtCmdRxBeginWithStatic(env, "OK")) {
+            AtCmdRxClear(env);
+            return AT_OK;
+        } else if (AtCmdRxBeginWithStatic(env, "ERROR")) {
+            AtCmdRxClear(env);
+            return AT_ERROR;
+        } else if (AtCmdRxBeginWithStatic(env, "+CME ERROR: ")) {
+            AtCmdRxClear(env);
+            return AT_ERROR;
+        } else {
+            AtCmdProcessUnresolvedLine(env);
+            AtCmdRxClear(env);
+            continue;
+        }
+    }
+
+    return AT_TIMEOUT;
+}
+
+AtCommandResult AtGsm_ReceiverGnssResetColdstart(
+        tAtCmd *env
+) {
+
+    AtCmdPrepare(env);
+
+    AtCmdTxClear(env);
+    AtCmdSendStatic(env, "AT$GPSR=1\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, "OK")) {
+            AtCmdRxClear(env);
+            return AT_OK;
+        } else if (AtCmdRxBeginWithStatic(env, "ERROR")) {
+            AtCmdRxClear(env);
+            return AT_ERROR;
+        } else if (AtCmdRxBeginWithStatic(env, "+CME ERROR: ")) {
+            AtCmdRxClear(env);
+            return AT_ERROR;
+        } else {
+            AtCmdProcessUnresolvedLine(env);
+            AtCmdRxClear(env);
+            continue;
+        }
+    }
+
+    return AT_TIMEOUT;
+}
+
+AtCommandResult AtGsm_ReceiverGnssClearBuffer(
+        tAtCmd *env
+) {
+
+    AtCmdPrepare(env);
+
+    AtCmdTxClear(env);
+    AtCmdSendStatic(env, "AT$GPSNVRAM=15,0\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, "OK")) {
+            AtCmdRxClear(env);
+            return AT_OK;
+        } else if (AtCmdRxBeginWithStatic(env, "ERROR")) {
+            AtCmdRxClear(env);
+            return AT_ERROR;
+        } else if (AtCmdRxBeginWithStatic(env, "+CME ERROR: ")) {
+            AtCmdRxClear(env);
+            return AT_ERROR;
+        } else {
+            AtCmdProcessUnresolvedLine(env);
+            AtCmdRxClear(env);
+            continue;
+        }
+    }
+
+    return AT_TIMEOUT;
+}
\ No newline at end of file