first_commit

Dependencies:   SLAVE_LIB libmDot-mbed5 mbed-rtos mbed

Fork of mDot_LoRa_Connect_Example by MultiTech

Revision:
7:93000504469c
Parent:
6:f0b6fea36e28
--- a/main.cpp	Tue Apr 12 23:44:25 2016 +0000
+++ b/main.cpp	Fri Apr 21 16:00:02 2017 +0000
@@ -1,25 +1,39 @@
 #include "mbed.h"
 #include "mDot.h"
 #include "MTSLog.h"
+#include "SPISlave.h"
 #include <string>
 #include <vector>
 #include <algorithm>
 
 // these options must match the settings on your Conduit
 // uncomment the following lines and edit their values to match your configuration
-static std::string config_network_name = "<lora network id>";
-static std::string config_network_pass = "<lora network key>";
+static std::string config_network_name = "gobucks1";
+static std::string config_network_pass = "gobucks1";
 static uint8_t config_frequency_sub_band = 1;
 
-int main() {
+int main()
+{
     int32_t ret;
+    int i = 0;
     mDot* dot;
     std::vector<uint8_t> data;
-    std::string data_str = "hello!";
-    
+    //uint8_t Q = 1;
+    //Instantiate uint8_t for spi read data
+    uint8_t spi_data = 0;
+    uint8_t spi_true = 0;
+
+    //Instantiate mDot as SPI Slave 
+    //FOR mDot: MOSI is PA_7, MISO is PA_6, SCLK is PA_5, NSS is PA_4
+    SPISlave mdot_slave(PA_7, PA_6, PA_5, PA_4); // mosi, miso, sclk, ssel
+    //Set up spi format with 8 bit data format, mode 0 for mDot slave
+    mdot_slave.format(8,0);
+    //Set up 1 MHz frequency for spi transfer
+    mdot_slave.frequency(1000000);
+
     // get a mDot handle
     dot = mDot::getInstance();
-    
+
     // print library version information
     logInfo("version: %s", dot->getId().c_str());
 
@@ -28,36 +42,36 @@
     //*******************************************
     // reset to default config so we know what state we're in
     dot->resetConfig();
-    
+
     dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
 
     // set up the mDot with our network information: frequency sub band, network name, and network password
     // these can all be saved in NVM so they don't need to be set every time - see mDot::saveConfig()
-    
+
     // frequency sub band is only applicable in the 915 (US) frequency band
     // if using a MultiTech Conduit gateway, use the same sub band as your Conduit (1-8) - the mDot will use the 8 channels in that sub band
     // if using a gateway that supports all 64 channels, use sub band 0 - the mDot will use all 64 channels
-    
+
 //    logInfo("setting to public network");
 //    if ((ret = dot->setPublicNetwork(true)) != mDot::MDOT_OK) {
 //        logError("failed to set public network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
 //    }
 
-    logInfo("setting frequency sub band");    
+    logInfo("setting frequency sub band");
     if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
         logError("failed to set frequency sub band %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
     }
-    
+
     logInfo("setting network name");
     if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK) {
         logError("failed to set network name %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
     }
-    
+
     logInfo("setting network password");
     if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK) {
         logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
     }
-    
+
     // a higher spreading factor allows for longer range but lower throughput
     // in the 915 (US) frequency band, spreading factors 7 - 10 are available
     // in the 868 (EU) frequency band, spreading factors 7 - 12 are available
@@ -65,13 +79,13 @@
     if ((ret = dot->setTxDataRate(mDot::SF_10)) != mDot::MDOT_OK) {
         logError("failed to set TX datarate %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
     }
-    
+
     // request receive confirmation of packets from the gateway
     logInfo("enabling ACKs");
     if ((ret = dot->setAck(1)) != mDot::MDOT_OK) {
         logError("failed to enable ACKs %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
     }
-    
+
     // save this configuration to the mDot's NVM
     logInfo("saving config");
     if (! dot->saveConfig()) {
@@ -89,21 +103,70 @@
         osDelay(std::max((uint32_t)1000, (uint32_t)dot->getNextTxMs()));
     }
 
-    // format data for sending to the gateway
-    for (std::string::iterator it = data_str.begin(); it != data_str.end(); it++)
-        data.push_back((uint8_t) *it);
+    //data.push_back(Q);
+    
+    // Prime SPI with first reply
+    //mdot_slave.reply(0);
 
     while (true) {
-        // send the data to the gateway
-        if ((ret = dot->send(data)) != mDot::MDOT_OK) {
-            logError("failed to send", ret, mDot::getReturnCodeString(ret).c_str());
-        } else {
-            logInfo("successfully sent data to gateway");
+
+        while(i<10000){
+            if(mdot_slave.receive()){
+                spi_data=11;
+                spi_true=1;
+            }
+            else{
+                spi_data=10;
+            }
+            i++;
         }
+        /* 
+        if(mdot_slave.receive()) {
+            //Read byte from master
+            spi_data = mdot_slave.read();
+            //Reply spi after slave reading
+            mdot_slave.reply(0);
+            
+            //push received spi data to data packet vector
+            data.push_back(spi_data);
+            
+            // send the data to the gateway
+            if ((ret = dot->send(data)) != mDot::MDOT_OK) {
+                logError("failed to send", ret, mDot::getReturnCodeString(ret).c_str());
+            } else
+                logInfo("successfully sent data to gateway");
 
-        // in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
-        osDelay(std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()));
+            // in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
+            osDelay(std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()));
+        
+            //Q++;
+            //data.clear();
+            //data.push_back(Q);
+            //printf("\nQ = %u\n",Q);
+            //printf("Q vector = %u\n",data[0]);
+    
+            //end slave receive if statement
+        }
+        else{
+            spi_data = 10;
+        */
+            //push received spi data to data packet vector
+            data.push_back(spi_data);
+            data.push_back(spi_true);
+            // send the data to the gateway
+            if ((ret = dot->send(data)) != mDot::MDOT_OK) {
+                logError("failed to send", ret, mDot::getReturnCodeString(ret).c_str());
+            } else
+                logInfo("successfully sent data to gateway");
+
+            // in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
+            osDelay(std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()));
+        //}
+        data.clear();
+        spi_true = 0;
+        i = 0;
+    //end while(true) loop
     }
-
     return 0;
 }
+