Diff: main.cpp

Revision:

2:d7c5df056a3b

Parent:

1:0d7ba45f12b1

Child:

3:c9cd5d11484d

--- a/main.cpp	Wed Mar 20 07:26:32 2019 +0000
+++ b/main.cpp	Thu Mar 21 07:51:49 2019 +0000
@@ -63,15 +63,9 @@
 #define MBED_CONF_IOTSHIELD_SENSOR_TEMP             A1
 
 /* Debug message settings */
-#define BG96_PARSER_DEBUG           DEBUG_ENABLE
+#define BG96_PARSER_DEBUG           DEBUG_DISABLE
 #define CATM1_DEVICE_DEBUG          DEBUG_ENABLE 
 
-/* HTTP */
-#define HTTP_STATUS_CODE_OK                         200
-
-// Sample HTTP URL: Weather info by Korea Meteorological Administration
-char request_url[] = "http://www.kma.go.kr/wid/queryDFSRSS.jsp?zone=4113552000";
-
 
 // Functions: Module Status
 void waitCatM1Ready(void);
@@ -81,11 +75,17 @@
 int8_t checknSetApn_BG96(const char * apn);
 int8_t getFirmwareVersion_BG96(char * version);
 
-// Functions: HTTP send & recv
-int8_t setHttpRequest_BG96(char * req, int len);
-int8_t sendHttpRequest_BG96(int timeout, int * rsp_code, int * content_len);
-int8_t getHttpResponse_BG96(int timeout, char * buf, int len);
-void dumpHttpRespones_BG96(char * buf);
+// Functions: PSM (Power Saving Mode)
+int8_t setPsmActivate_BG96(char * Requested_Periodic_TAU, char * Requested_Active_Time);
+int8_t setPsmDeactivate_BG96(void);
+int8_t getPsmSetting_BG96(bool * enable, int * Requested_Periodic_TAU, int * Requested_Active_Time);
+
+// Functions: Network time
+int8_t getNetworkTimeGMT_BG96(char * timestr);
+int8_t getNetworkTimeLocal_BG96(char * timestr);
+void setFlagGettime(void);
+void clearFlagGettime(void);
+
 
 Serial pc(USBTX, USBRX);    // USB debug
 
@@ -95,6 +95,9 @@
 DigitalOut _RESET_BG96(MBED_CONF_IOTSHIELD_CATM1_RESET);
 DigitalOut _PWRKEY_BG96(MBED_CONF_IOTSHIELD_CATM1_PWRKEY);
 
+Ticker flip;
+bool flag_gettime = false;
+
 void serialPcInit(void)
 {
     pc.baud(115200);
@@ -162,7 +165,7 @@
     myprintf("LTE Cat.M1 Version");
     myprintf("=================================================");
     myprintf(">> Target Board: WIoT-QC01 (Quectel BG96)");
-    myprintf(">> Sample Code: HTTP Send & Recv");
+    myprintf(">> Sample Code: PSM (Power Saving Mode)");
     myprintf("=================================================\r\n");
     
     setEchoStatus_BG96(OFF);
@@ -173,6 +176,59 @@
     
     checknSetApn_BG96(CATM1_APN_SKT);
     
+    Timer t;
+    float elapsed_time_sec = 0;       
+    bool psm_en = false;
+    int psm_tau = 0;
+    int psm_active = 0;
+    
+    // PSM enable
+#if 0    
+    setPsmDeactivate_BG96();
+#endif    
+    if(getPsmSetting_BG96(&psm_en, &psm_tau, &psm_active) == RET_OK) {
+        if(psm_en != true) {
+            if(setPsmActivate_BG96("10100101", "00100100") == RET_OK) {
+                myprintf("Cat.M1 PSM enable, Device reboot");
+                
+                // Cat.M1 reboot
+                catm1DeviceReset_BG96();
+                waitCatM1Ready();
+            } else {
+                myprintf("Cat.M1 PSM enable failed");
+            }            
+        }
+    }
+    
+    myprintf("Cat.M1 PSM Config: %s, TAU time: %dsec, Active time: %dsec", psm_en?"Enabled":"Disabled", psm_tau, psm_active);
+    
+    // Timer event callback       
+    flip.attach(callback(&setFlagGettime), 1.0);
+
+    while(1)
+    {
+        if(flag_gettime) {
+            char nettime[30] = {0, };
+            if(getNetworkTimeLocal_BG96(nettime) == RET_OK) {
+                if(elapsed_time_sec > 0) {
+                    t.stop();
+                    myprintf("Cat.M1 Active, Sleep time: %.2fsec", elapsed_time_sec);                    
+                    elapsed_time_sec = 0;   
+                }                
+                myprintf("%s", nettime);
+            } else {
+                if(elapsed_time_sec == 0) {                    
+                    t.start();         
+                    myprintf("%s", "Sleep Start");               
+                }
+                elapsed_time_sec = t.read();
+                myprintf("Cat.M1 PSM, %.2f", elapsed_time_sec);               
+            }
+            clearFlagGettime();
+        }
+    }
+           
+    /*    
     // Set HTTP request URL
     if(setHttpRequest_BG96(request_url, strlen(request_url)-1) != RET_OK) {   
         myprintf("[HTTP] setHttpRequest failed\r\n");
@@ -200,6 +256,7 @@
             myprintf("[HTTP] sendHttpRequest failed - HTTP response code: %d\r\n", http_response_code);
         }
     }
+    */
 }
 
 
@@ -331,9 +388,97 @@
 }
 
 // ----------------------------------------------------------------
+// Functions: Cat.M1 PSM activate / deactivate
+// ----------------------------------------------------------------
+
+int8_t setPsmActivate_BG96(char *Requested_Periodic_TAU, char *Requested_Active_Time)
+{
+    int8_t ret = RET_NOK;
+    
+    if (_parser->send("AT+CPSMS=1,,,\"%s\",\"%s\"", Requested_Periodic_TAU, Requested_Active_Time)
+        && _parser->recv("OK")) 
+    {
+        devlog("PSM activate success\r\n");
+        ret = RET_OK;
+    }
+    return ret;
+}
+
+int8_t setPsmDeactivate_BG96(void)
+{
+    int8_t ret = RET_NOK;
+    
+    if (_parser->send("AT+CPSMS=0") && _parser->recv("OK")) {
+        devlog("PSM deactivate success\r\n");
+    }
+    return ret;
+}
+
+int8_t getPsmSetting_BG96(bool * enable, int * Requested_Periodic_TAU, int * Requested_Active_Time)
+{
+    int8_t ret = RET_NOK;
+    int en = 0;
+    
+    if (_parser->send("AT+QPSMS?") // BG96 only
+        && _parser->recv("+QPSMS: %d,,,\"%d\",\"%d\"", &en, Requested_Periodic_TAU, Requested_Active_Time)
+        && _parser->recv("OK")) 
+    {
+        if(en != 0) 
+            *enable = true;
+        else
+            *enable = false;
+        
+        devlog("Get PSM setting success\r\n");
+        ret = RET_OK;
+    }
+    return ret;
+}
+
+
+// ----------------------------------------------------------------
+// Functions: Cat.M1 Network time
+// ----------------------------------------------------------------
+
+int8_t getNetworkTimeGMT_BG96(char * timestr)
+{    
+    int8_t ret = RET_NOK;
+    if (_parser->send("AT+QLTS=1") 
+        && _parser->recv("+QLTS: \"%[^\"]\"", timestr)
+        && _parser->recv("OK")) 
+    {
+        //devlog("Get current GMT time success\r\n");        
+        ret = RET_OK;
+    }
+    return ret;
+}
+
+int8_t getNetworkTimeLocal_BG96(char * timestr)
+{
+    int8_t ret = RET_NOK;
+    if (_parser->send("AT+QLTS=2") 
+        && _parser->recv("+QLTS: \"%[^\"]\"", timestr)
+        && _parser->recv("OK")) 
+    {
+        //devlog("Get current local time success\r\n");        
+        ret = RET_OK;
+    }
+    return ret;
+}
+
+void setFlagGettime(void)
+{
+    flag_gettime = true;
+}
+
+void clearFlagGettime(void)
+{
+    flag_gettime = false;
+}
+
+// ----------------------------------------------------------------
 // Functions: Cat.M1 HTTP send & recv
 // ----------------------------------------------------------------
-
+/*
 int8_t setHttpRequest_BG96(char * req, int len)
 {
     int8_t ret = RET_NOK;    
@@ -358,6 +503,7 @@
 }
 
 
+
 int8_t sendHttpRequest_BG96(int timeout, int * rsp_code, int * content_len)
 {
     int8_t ret = RET_NOK;
@@ -399,3 +545,4 @@
 {
     myprintf("%s", buf);   
 }
+*/