Diff: main.cpp

Revision:

0:5cd6077e0a8e

Child:

1:bdb1c9f07d06

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Mar 19 00:25:29 2019 +0000
@@ -0,0 +1,489 @@
+/* WIZnet IoT Shield Cat.M1 Sample code for Arm MBED
+ * Copyright (c) 2019 WIZnet Co., Ltd.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+ 
+ /* 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+
+#include <string>
+#include "mbed.h"
+
+#define RET_OK                      1
+#define RET_NOK                     -1
+#define DEBUG_ENABLE                1
+#define DEBUG_DISABLE               0
+#define ON                          1
+#define OFF                         0
+
+#define MAX_BUF_SIZE                1024
+
+#define BG96_APN_PROTOCOL_IPv4      1
+#define BG96_APN_PROTOCOL_IPv6      2
+#define BG96_DEFAULT_TIMEOUT        1000
+#define BG96_CONNECT_TIMEOUT        15000
+#define BG96_SEND_TIMEOUT           500
+#define BG96_RECV_TIMEOUT           500
+
+#define BG96_APN_PROTOCOL           BG96_APN_PROTOCOL_IPv6
+#define BG96_DEFAULT_BAUD_RATE      115200
+#define BG96_PARSER_DELIMITER       "\r\n"
+
+#define CATM1_APN_SKT               "lte-internet.sktelecom.com"
+
+#define CATM1_DEVICE_NAME_BG96      "BG96"
+#define DEVNAME                     CATM1_DEVICE_NAME_BG96
+
+#define devlog(f_, ...)             if(CATM1_DEVICE_DEBUG == DEBUG_ENABLE) { pc.printf("\r\n[%s] ", DEVNAME);  pc.printf((f_), ##__VA_ARGS__); }
+#define myprintf(f_, ...)           {pc.printf("\r\n[MAIN] ");  pc.printf((f_), ##__VA_ARGS__);}
+
+/* Pin configuraiton */
+// Cat.M1
+#define MBED_CONF_IOTSHIELD_CATM1_TX                D8
+#define MBED_CONF_IOTSHIELD_CATM1_RX                D2
+#define MBED_CONF_IOTSHIELD_CATM1_RESET             D6
+#define MBED_CONF_IOTSHIELD_CATM1_PWRKEY            D9
+#define MBED_CONF_IOTSHIELD_CATM1_WAKE              NC
+// Sensors
+#define MBED_CONF_IOTSHIELD_SENSOR_CDS              A0
+#define MBED_CONF_IOTSHIELD_SENSOR_TEMP             A1
+
+/* Debug message settings */
+#define BG96_PARSER_DEBUG           DEBUG_DISABLE
+#define CATM1_DEVICE_DEBUG          DEBUG_ENABLE 
+
+// Functions: Module Status
+void waitCatM1Ready(void);
+int8_t setEchoStatus_BG96(bool onoff);
+int8_t getUsimStatus_BG96(void);
+int8_t getNetworkStatus_BG96(void);
+int8_t checknSetApn_BG96(const char * apn);
+int8_t getFirmwareVersion_BG96(char * version);
+
+// Functions: PDP context
+int8_t setContextActivate_BG96(void);   // Activate a PDP Context
+int8_t setContextDeactivate_BG96(void); // Deactivate a PDP Context
+
+// Functions: Ping test
+void pingToHost_BG96(char * host, int timeout, int pingnum);
+
+
+Serial pc(USBTX, USBRX);    // USB debug
+
+UARTSerial *_serial;        // Cat.M1 module    
+ATCmdParser *_parser;
+
+
+void serialPcInit(void)
+{
+    pc.baud(115200);
+    pc.format(8, Serial::None, 1);
+}
+
+void serialDeviceInit(PinName tx, PinName rx, int baudrate) 
+{        
+    _serial = new UARTSerial(tx, rx, baudrate);    
+}
+
+void serialAtParserInit(const char *delimiter, bool debug_en)
+{
+    _parser = new ATCmdParser(_serial);    
+    _parser->debug_on(debug_en);
+    _parser->set_delimiter(delimiter);    
+    _parser->set_timeout(BG96_DEFAULT_TIMEOUT);
+}
+
+void catm1DeviceInit(void)
+{
+    serialDeviceInit(   MBED_CONF_IOTSHIELD_CATM1_TX, 
+                        MBED_CONF_IOTSHIELD_CATM1_RX, 
+                        BG96_DEFAULT_BAUD_RATE);
+                        
+    serialAtParserInit( BG96_PARSER_DELIMITER, 
+                        BG96_PARSER_DEBUG);
+}
+
+void printPingToHost_BG96(char * host, int timeout, int pingnum)
+{   
+    int i;
+    char resp_str[50] = {0, };
+    
+    if((timeout < 1) || (timeout > 255)) {
+        devlog("Ping timeout range is 1-255, and the default value is 4 (unit: sec)\r\n");
+        return;
+    }
+    
+    if((pingnum < 1) || (pingnum > 10)) {
+        devlog("The maximum number of sending Ping request range is 1-10, and the default value is 4\r\n");
+        return;
+    }
+       
+    _parser->set_timeout((1000 * timeout) + 2000);
+    
+    if(_parser->send("AT+QPING=%d,\"%s\",%d,%d", 1, host, timeout, pingnum) && _parser->recv("OK")) {        
+        for(i = 0; i < (pingnum); i++) {            
+            _parser->recv("+QPING: %s\n", resp_str);
+            devlog("%s: %s\r\n", host, resp_str);
+        }
+        
+    }
+    
+    _parser->set_timeout(BG96_DEFAULT_TIMEOUT);
+    _parser->flush();
+}
+
+int main()
+{
+    serialPcInit();    
+    catm1DeviceInit();
+    
+    myprintf("Waiting for Cat.M1 Module Ready...\r\n");
+    
+    // Todo: BG96 Hardware Init (hardware reset & pwrkey act)
+    
+    waitCatM1Ready();
+            
+    myprintf("System Init Complete\r\n");
+        
+    myprintf("WIZnet IoT Shield for Arm MBED");
+    myprintf("LTE Cat.M1 Version");
+    myprintf("=================================================");
+    myprintf(">> Target Board: WIoT-QC01 (Quectel BG96)");
+    myprintf(">> Sample Code: Ping Test");
+    myprintf("=================================================\r\n");
+    
+    setEchoStatus_BG96(OFF);
+   
+    getUsimStatus_BG96();
+    
+    getNetworkStatus_BG96();
+    
+    checknSetApn_BG96(CATM1_APN_SKT);
+    
+    char ping_dest_1st[] = "8.8.8.8";
+    char ping_dest_2nd[] = "www.google.com";
+    
+    setContextActivate_BG96();  
+    
+    myprintf("[Ping] Host: %s\r\n", ping_dest_1st);
+    printPingToHost_BG96(ping_dest_1st, 2, 4);    
+    
+    wait_ms(2000);
+    
+    myprintf("[Ping] Host: %s\r\n", ping_dest_2nd);
+    printPingToHost_BG96(ping_dest_2nd, 2, 4);
+        
+    setContextDeactivate_BG96(); 
+}
+
+void waitCatM1Ready(void)
+{
+    while(1) 
+    {   
+        if(_parser->recv("RDY")) 
+        {
+            myprintf("BG96 ready\r\n");
+            return ;
+        }
+        else if(_parser->send("AT") && _parser->recv("OK"))
+        {
+            myprintf("BG96 already available\r\n");
+            return ;
+        }        
+    }        
+}
+
+int8_t setEchoStatus_BG96(bool onoff)
+{
+    int8_t ret = RET_NOK;
+    char _buf[10];        
+    
+    sprintf((char *)_buf, "ATE%d", onoff);    
+    
+    if(_parser->send(_buf) && _parser->recv("OK")) {        
+        devlog("Turn Echo %s success\r\n", onoff?"ON":"OFF");
+        ret = RET_OK;
+    } else { 
+        devlog("Turn Echo %s failed\r\n", onoff?"ON":"OFF");
+    }    
+    return ret;
+}
+ 
+int8_t getUsimStatus_BG96(void)
+{
+    int8_t ret = RET_NOK;
+    
+    _parser->send("AT+CPIN?");    
+    if(_parser->recv("+CPIN: READY") && _parser->recv("OK")) {
+        devlog("USIM Status: READY\r\n");
+        ret = RET_OK;
+    } else { 
+        devlog("Retrieving USIM Status failed\r\n");        
+    }
+    return ret;
+}
+
+int8_t getNetworkStatus_BG96(void)
+{
+    int8_t ret = RET_NOK;    
+    
+    if(_parser->send("AT+QCDS") && _parser->recv("+QCDS: \"SRV\"") && _parser->recv("OK")) {
+        devlog("Network Status: attached\r\n");
+        ret = RET_OK;
+    } else if (_parser->send("AT+QCDS") && _parser->recv("+QCDS: \"LIMITED\"") && _parser->recv("OK")) {
+        devlog("Network Status: limited\r\n");
+        ret = RET_OK;    
+    } else { 
+        devlog("Network Status: Error\r\n");        
+    }
+    return ret;
+}
+
+int8_t checknSetApn_BG96(const char * apn) // Configure Parameters of a TCP/IP Context
+{       
+    char resp_str[100];
+    
+    uint16_t i = 0;
+    char * search_pt;
+    
+    memset(resp_str, 0, sizeof(resp_str));
+    
+    devlog("Checking APN...\r\n");
+    
+    _parser->send("AT+QICSGP=1");
+    
+    while(1)
+    {
+        _parser->read(&resp_str[i++], 1);        
+        search_pt = strstr(resp_str, "OK\r\n");
+        if (search_pt != 0)
+        {
+            break;
+        }
+    }
+    
+    search_pt = strstr(resp_str, apn);
+    if (search_pt == 0)
+    {
+        devlog("Mismatched APN: %s\r\n", resp_str);
+        devlog("Storing APN %s...\r\n", apn);
+        if(!(_parser->send("AT+QICSGP=1,%d,\"%s\",\"\",\"\",0", BG96_APN_PROTOCOL, apn) && _parser->recv("OK")))
+        {
+            return RET_NOK; // failed
+        }
+    }    
+    devlog("APN Check Done\r\n");    
+    
+    return RET_OK;
+}
+
+int8_t getFirmwareVersion_BG96(char * version)
+{
+    int8_t ret = RET_NOK;
+    
+    if(_parser->send("AT+QGMR") && _parser->recv("%s\n", version) && _parser->recv("OK"))
+    {           
+        ret = RET_OK;
+    } 
+    return ret;
+}
+
+int8_t getImeiNumber_BG96(char * imei)
+{
+    int8_t ret = RET_NOK;    
+    
+    if(_parser->send("AT+CGSN") && _parser->recv("%s\n", imei) && _parser->recv("OK"))
+    { 
+        ret = RET_OK;
+    } 
+    return ret;
+}
+
+int8_t getIpAddressByName_BG96(const char * name, char * ipstr)
+{
+    char buf2[50];
+    bool ok;
+    int  err, ipcount, dnsttl;
+
+    int8_t ret = RET_NOK;
+
+    ok = ( _parser->send("AT+QIDNSGIP=1,\"%s\"", name)
+            && _parser->recv("OK") 
+            && _parser->recv("+QIURC: \"dnsgip\",%d,%d,%d", &err, &ipcount, &dnsttl) 
+            && err==0 
+            && ipcount > 0
+        ); 
+
+    if( ok ) {        
+        _parser->recv("+QIURC: \"dnsgip\",\"%[^\"]\"", ipstr);       //use the first DNS value
+        for( int i=0; i<ipcount-1; i++ )
+            _parser->recv("+QIURC: \"dnsgip\",\"%[^\"]\"", buf2);   //and discrard the rest  if >1 
+            
+        ret = RET_OK;    
+    }        
+    return ret;           
+}
+
+int8_t getIpAddress_BG96(char * ipstr) // IPv4 or IPv6
+{
+    int8_t ret = RET_NOK;    
+    int id, state, type; // not used    
+
+    _parser->send("AT+QIACT?");
+    if(_parser->recv("+QIACT: %d,%d,%d,\"%[^\"]\"", &id, &state, &type, ipstr)
+        && _parser->recv("OK")) {        
+        ret = RET_OK;
+    } 
+    return ret;
+}
+
+int8_t setContextActivate_BG96(void) // Activate a PDP Context
+{
+    int8_t ret = RET_NOK;
+    
+    _parser->send("AT+QIACT=1");    
+    if(_parser->recv("OK")) {
+        devlog("Activate a PDP Context\r\n");
+        ret = RET_OK;
+    } else { 
+        devlog("PDP Context Activation failed\r\n");        
+    }    
+    return ret;
+}
+
+int8_t setContextDeactivate_BG96(void) // Deactivate a PDP Context
+{
+    int8_t ret = RET_NOK;
+    
+    _parser->send("AT+QIDEACT=1");    
+    if(_parser->recv("OK")) {
+        devlog("Deactivate a PDP Context\r\n");
+        ret = RET_OK;
+    } else { 
+        devlog("PDP Context Deactivation failed\r\n");        
+    }
+    return ret;
+}
+
+int8_t sockOpenConnect_BG96(const char * type, const char * addr, int port)
+{
+    int8_t ret = RET_NOK;  
+    int err = 1;
+    int id = 0;
+    
+    bool done = false;
+    Timer t;
+    
+    _parser->set_timeout(BG96_CONNECT_TIMEOUT);
+    
+    if((strcmp(type, "TCP") != 0) && (strcmp(type, "UDP") != 0)) {        
+        return RET_NOK;
+    }
+
+    t.start();
+    
+    _parser->send("AT+QIOPEN=1,%d,\"%s\",\"%s\",%d", id, type, addr, port);
+    do {        
+        done = (_parser->recv("+QIOPEN: %d,%d", &id, &err) && (err == 0));        
+    } while(!done && t.read_ms() < BG96_CONNECT_TIMEOUT);
+
+    if(done) ret = RET_OK;
+
+    _parser->set_timeout(BG96_DEFAULT_TIMEOUT);    
+    _parser->flush();
+    
+    return ret;
+}
+
+int8_t sockClose_BG96(void)
+{
+    int8_t ret = RET_NOK;
+    int id = 0;
+    
+    _parser->set_timeout(BG96_CONNECT_TIMEOUT);
+    
+    if(_parser->send("AT+QICLOSE=%d", id) && _parser->recv("OK")) {
+        ret = RET_OK;        
+    }
+    _parser->set_timeout(BG96_DEFAULT_TIMEOUT);
+    
+    return ret;
+}
+
+int8_t dataSend_BG96(char * data, int len)
+{
+    int8_t ret = RET_NOK;
+    int id = 0;
+    bool done = false;
+    
+    _parser->set_timeout(BG96_SEND_TIMEOUT);
+    
+    _parser->send("AT+QISEND=%d,%ld", id, len);
+    if( !done && _parser->recv(">") )
+        done = (_parser->write(data, len) <= 0);
+
+    if( !done )
+        done = _parser->recv("SEND OK");    
+    
+    _parser->set_timeout(BG96_DEFAULT_TIMEOUT);
+    
+    return ret;
+}
+
+int8_t checkDataRecv_BG96(void)
+{
+    int8_t ret = RET_NOK;
+    int id = 0;
+    char cmd[20];
+    
+    bool received = false;
+
+    sprintf(cmd, "+QIURC: \"recv\",%d", id);
+    _parser->set_timeout(1);
+    received = _parser->recv(cmd);
+    _parser->set_timeout(BG96_DEFAULT_TIMEOUT);
+    
+    if(received) ret = RET_OK;    
+    return ret;
+}
+
+int8_t dataRecv_BG96(char * data, int * len)
+{
+    int8_t ret = RET_NOK;
+    int id = 0;
+    int recvCount = 0;
+    
+    _parser->set_timeout(BG96_RECV_TIMEOUT);   
+     
+    if( _parser->send("AT+QIRD=%d", id) && _parser->recv("+QIRD:%d\r\n",&recvCount) ) {
+        if(recvCount > 0) {
+            _parser->getc();
+            _parser->read(data, recvCount);
+            if(_parser->recv("OK")) {
+                ret = RET_OK;
+            } else {
+                recvCount = 0;
+            }
+        }        
+    }
+    _parser->set_timeout(BG96_DEFAULT_TIMEOUT);    
+    _parser->flush();
+    
+    *len = recvCount;
+        
+    return ret;
+}