Diff: UBloxSara/uBloxSara.cpp

Revision:

8:2bf886335fd0

Child:

9:f943c09d9173

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/UBloxSara/uBloxSara.cpp	Fri Nov 30 16:19:41 2018 +0100
@@ -0,0 +1,160 @@
+/**
+ * U-Blox SARA nb-iot module class
+ * Made by Jurica Resetar @ aconno
+ * More info @ aconno.de
+ */
+
+#include "mbed.h"
+#include "uBloxSara.h"
+#include "udp.h"
+#include "onboard_modem_api.h"
+
+UBloxSara::UBloxSara(ATCmdParser *at, Udp udp):
+	_at(at), _udp(udp)
+{
+}
+
+bool UBloxSara::setup()
+{
+	bool success = false;
+
+    /* Initialize GPIO lines */
+    onboard_modem_init();
+
+    /* Give modem a little time to settle down */
+    wait_ms(250);
+
+    printf("Powering up the modem...\r\n");
+    //onboard_modem_power_up();
+    wait_ms(5000);
+
+    sendCommand("AT+CFUN=1");
+
+    // Set AT parser timeout to 1sec for AT OK check
+    _at->set_timeout(1000);
+
+	return true;
+
+    printf("Checking for AT response from the modem\r\n");
+    for (int retry_count = 0; !success && (retry_count < 20); retry_count++)
+    {
+        printf("...wait\r\n");
+        // The modem tends to sends out some garbage during power up.
+        _at->flush();
+
+        // AT OK talk to the modem
+        if (_at->send("AT")) {
+            wait_ms(100);
+            if (_at->recv("OK")) {
+                success = true;
+            }
+        }
+    }
+    // Increase the parser time to 8 sec
+    _at->set_timeout(8000);
+
+    if (success)
+	{
+        printf("Configuring the modem...\r\n");
+        // Turn off modem echoing and turn on verbose responses
+        //success = _at->send("AT+CMEE=1");
+    }
+    return success;
+}
+
+void UBloxSara::sendCommand(char *command)
+{
+	char buffer[505];
+    for (int i=0; i<505; i++)buffer[i]=0;
+    printf("Sending the following command:");
+    printf(command);
+    printf("\r\n");
+
+    if (!_at->send(command)) {
+        printf("Failed!\r\n");
+        return;
+    }
+    printf("Response:\r\n");
+    _at->read(buffer,500);
+    printf(buffer);
+    printf ("\r\n");
+}
+
+void UBloxSara::checkNetworkStatus(char *response)
+{
+    char command[] = "AT+NUESTATS";
+    printf("Checking network status...");
+
+    if(!_at->send(command))
+    {
+        printf("Failed!\r\n");
+        return;
+    }
+    printf("Response:\r\n");
+    _at->read(response,500);
+    printf(response);
+    printf ("\r\n");
+}
+
+void UBloxSara::sendUdpMsg(char *msg, char *flags)
+{
+	char myCommandbuffer[250];
+    int msgSize = strlen(msg);
+    char data[msgSize*2];
+    int flagsSize = strlen(flags);
+    char flagsHex[flagsSize*2];
+
+    // Create UDP socket on port 'port' 
+    sprintf(myCommandbuffer,"AT+NSOCR=\"DGRAM\",17,%d",_udp._port); 
+    sendCommand(myCommandbuffer); 
+	// Prepaire data for transmition
+    for (int i=0, j=0; i<msgSize; i++, j+=2)
+    {
+		// Take i-th byte and make hex string out of it
+	    sprintf((data+j),"%x", *(msg+i));
+	}
+    for(int i=0, j=0; i<flagsSize; i++, j+=2)
+    {
+        // Take i-th byte and make hex string out of it
+        sprintf((flagsHex+j), "%x", *(flags+i));
+    }
+
+	sprintf(myCommandbuffer,"AT+NSOST=0,\"%s\",%d,%d,\"%s\"",
+		_udp._ip, _udp._port, msgSize, data);
+
+    msgSize += strlen(flags);
+    sprintf(myCommandbuffer,"AT+NSOST=0,\"%s\",%d,%d,\"%s%s\"",
+		_udp._ip, _udp._port, msgSize, flagsHex, data);
+	sendCommand(myCommandbuffer);
+}
+
+uint8_t UBloxSara::connectNB()
+{
+	sendCommand("at+NCONFIG=\"AUTOCONNECT\",\"FALSE\"");
+    sendCommand("at+NCONFIG=\"CR_0354_0338_SCRAMBLING\",\"TRUE\"");
+
+    sendCommand("at+NCONFIG=\"CR_0859_SI_AVOID\",\"TRUE\"");
+    sendCommand("at+NCONFIG?");
+    sendCommand("at+cfun=0");
+    sendCommand("AT+CGDCONT=1, \"IP\",\"nb.inetd.gdsp\"");
+    sendCommand("at+cfun=1");
+
+    sendCommand("at+cimi");
+
+    sendCommand("at+cgatt=1");
+
+    sendCommand("at+cops=1,2,\"26202\"");
+    wait_ms(5000);
+  	sendCommand("at+cereg?");
+    wait_ms(5000);
+    sendCommand("AT+CSQ");
+    wait_ms(5000);
+    sendCommand("AT+COPS?");
+    sendCommand("AT+NBAND?");
+    sendCommand("AT+NBAND=20");
+    sendCommand("AT+NUESTATS");
+
+    sendCommand("AT+CGATT?");
+    wait_ms(5000);
+    sendCommand("AT+CGPADDR");
+}