muizenval

commit fec22ac019e7ca7ef97393c35bea10547eaaee0b
parent 3ac5ed0e3a543979aabe3b76cfa820ea7b4aed2f
Author: Friedel Schön <[email protected]>
Date:   Mon, 30 May 2022 19:19:38 +0200

add 5g-code

Diffstat:
A
5g-board/sara_test.ino
 | 
126
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 126 insertions(+), 0 deletions(-)
diff --git a/5g-board/sara_test.ino b/5g-board/sara_test.ino
@@ -0,0 +1,126 @@
+#define usbSerial SerialUSB
+#define modemSerial Serial1
+#define powerPin SARA_ENABLE
+#define enablePin SARA_TX_ENABLE
+#define voltagePin SARA_R4XX_TOGGLE
+#define baud 115200
+
+#define COMMAND_OK 0
+#define COMMAND_ERROR 1
+
+#define LINE_BUFFER 256
+
+#define SIM_PIN "0000"
+#define APN_DOMAIN "live.vodafone.com"
+
+
+size_t modemReadline(char* dest) {
+  char buf;
+  size_t index = 0;
+  
+  for (;;) {
+    while (!modemSerial.available());
+    buf = modemSerial.read();
+    if (buf == '\r')
+      continue;
+    if (buf == '\n')
+      break;
+    dest[index++] = buf;
+  }
+  dest[index] = '\0';
+  return index;
+}
+
+// sendCommand returns COMMAND_OK or COMMAND_ERROR
+int sendCommand(const char* request, char* response) {
+  char line[LINE_BUFFER];
+  size_t lineLen;
+
+  if (response)
+    response[0] = '\0';
+
+  modemSerial.write(request);
+  modemSerial.write("\r\n");
+  modemSerial.flush();
+
+  for (;;) {
+    lineLen = modemReadline(line);
+    if (String(line) == "OK") {
+      return COMMAND_OK;
+    } else if (String(line) == "ERROR") {
+      return COMMAND_ERROR;
+    } else if (response && line[0] != '\0') {
+      if (response[0] != '\0') // check if not empty string
+        strcat(response, "\n");
+      strcat(response, line);
+    }
+  }
+}
+
+int sendCommand(const char* request) {
+  return sendCommand(request, NULL);
+}
+
+
+void setup() {
+  pinMode(powerPin, OUTPUT); // Put voltage on the nb-iot module
+  digitalWrite(powerPin, HIGH);
+
+  pinMode(voltagePin, OUTPUT); // Switch module voltage
+  digitalWrite(voltagePin, LOW);
+
+  pinMode(enablePin, OUTPUT); // Set state to active
+  digitalWrite(enablePin, HIGH);
+
+  usbSerial.begin(baud);
+  while (!usbSerial);
+
+  modemSerial.begin(baud);
+  while (!modemSerial);
+
+
+  usbSerial.print("[INFO] Waiting for module to response");
+  for (;;) {
+    usbSerial.print('.');
+    modemSerial.write("AT\r\n");
+    delay(500);
+    if (modemSerial.available()) 
+      break;
+  }
+  while (modemSerial.available()) // clear cache
+    modemSerial.read();
+  usbSerial.println();
+
+  sendCommand("ATE0"); // disable command-echo
+
+  if (sendCommand("AT+CPIN=\"" SIM_PIN "\"") == COMMAND_ERROR) {
+    usbSerial.println("[ERROR] SIM can't be unlocked, wrong PIN");
+    return;
+  }
+
+  sendCommand("AT+CPSMS=0"); // Disable Power Saving Mode 
+  sendCommand("AT+CEDRXS=0"); // Disable eDRX
+  
+  sendCommand("AT+CFUN=15"); // Reset the module
+  sendCommand("AT+UMNOPROF=1"); // Set MNO profile (1=automatic,100=standard europe) 
+  sendCommand("AT+URAT=7"); // Set URAT to LTE-M
+  sendCommand("AT+CEREG=3"); // Enable URCs
+  sendCommand("AT+CGDCONT=1,\"IP\",\"" APN_DOMAIN "\""); // Set the APN
+  sendCommand("AT+COPS=0,2"); // Autoselect the operator 
+
+  usbSerial.println("Waiting...");
+
+  char response[100];  
+  while (sendCommand("AT+CSQ", response) == COMMAND_OK && strcmp(response, "+CSQ: 99,99")); // Check Siganl strenght, repeat till you have a valid CSQ (99,99 means no signal)
+  while (sendCommand("AT+CGATT?", response) == COMMAND_OK && !strcmp(response, "+CGATT: 1")); // Check Siganl strenght, repeat till you have a valid CSQ (99,99 means no signal)
+  
+  usbSerial.println("Connected!");
+}
+
+void loop() {
+  while (usbSerial.available())
+    modemSerial.write(usbSerial.read());
+  
+  while (modemSerial.available()) 
+    usbSerial.write(modemSerial.read());
+}