Updated project.gmk with us915. Updated main.c with updated code for …

…aquiring RFID tag from log.out file
wklenk · Feb 27, 2019 · b6f66c2 · b6f66c2
1 parent f5e8c00
commit b6f66c2
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Showing 2 changed files with 81 additions and 23 deletions.
diff --git a/examples/projects.gmk b/examples/projects.gmk
@@ -5,7 +5,7 @@
 # working in EU868 MHz Band
 
 # LMIC CONFIG
-LMICCFG += -DCFG_DEBUG -DCFG_eu868 -DCFG_sx1276_radio -DDEBUG_LMIC -DDEBUG_HAL
+LMICCFG += -DCFG_DEBUG -DCFG_us915 -DCFG_sx1276_radio -DDEBUG_LMIC -DDEBUG_HAL
 
 CCOPTS = -c -std=gnu99
 

diff --git a/examples/transmit/main.c b/examples/transmit/main.c
@@ -25,21 +25,31 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _OPEN_SYS_ITOA_EXT
+
 #include "lmic.h"
 #include "debug.h"
 
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
 //////////////////////////////////////////////////
 // CONFIGURATION (FOR APPLICATION CALLBACKS BELOW)
 //////////////////////////////////////////////////
 
 // application router ID (LSBF)
-static const u1_t APPEUI[8]  = { 0x02, 0x00, 0x00, 0x00, 0x00, 0xEE, 0xFF, 0xC0 };
+static const u1_t APPEUI[8]  = { 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x };
 
 // unique device ID (LSBF)
-static const u1_t DEVEUI[8]  = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF };
+static const u1_t DEVEUI[8]  = { 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x };
 
 // device-specific AES key (derived from device EUI)
-static const u1_t DEVKEY[16] = { 0xAB, 0x89, 0xEF, 0xCD, 0x23, 0x01, 0x67, 0x45, 0x54, 0x76, 0x10, 0x32, 0xDC, 0xFE, 0x98, 0xBA };
+static const u1_t DEVKEY[16] = { 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x };
 
 
 //////////////////////////////////////////////////
@@ -79,7 +89,7 @@ static void initfunc (osjob_t* j) {
 // application entry point
 int main () {
     osjob_t initjob;
-
+    
     // initialize runtime env
     os_init();
     // initialize debug library
@@ -99,25 +109,73 @@ int main () {
 
 void onEvent (ev_t ev) {
     debug_event(ev);
-
+    
     switch(ev) {
-
-      // network joined, session established
-      case EV_JOINED:
-          debug_val("netid = ", LMIC.netid);
-          goto tx;
 
-      // scheduled data sent (optionally data received)
-      case EV_TXCOMPLETE:
-          if(LMIC.dataLen) { // data received in rx slot after tx
-              debug_buf(LMIC.frame+LMIC.dataBeg, LMIC.dataLen);
-          }
-        tx:
-	  // immediately prepare next transmission
-	  LMIC.frame[0] = LMIC.snr;
-	  // schedule transmission (port 1, datalen 1, no ack requested)
-	  LMIC_setTxData2(1, LMIC.frame, 1, 0);
-          // (will be sent as soon as duty cycle permits)
-	  break;
+        // network joined, session established
+        case EV_JOINED:
+        debug_val("netid = ", LMIC.netid);
+        goto tx;
+
+        // scheduled data sent (optionally data received)
+        case EV_TXCOMPLETE:
+        if(LMIC.dataLen) { // data received in rx slot after tx
+            debug_buf(LMIC.frame+LMIC.dataBeg, LMIC.dataLen);
+        }
+        static const char* fn = "/home/pi/setup/log.out";
+        int fd;
+    tx:
+        // immediately prepare next transmission
+        fd = open(fn, O_RDWR);
+        if(fd < 0) {
+            perror(fn);
+            exit(EXIT_FAILURE);
+        }
+
+        char data[10];
+        char buffer[10];
+        int rc = read(fd, &data, 10);
+        if (rc < 0) {
+            perror("bad stuff.");
+            exit(EXIT_FAILURE);
+        }
+        /* // Found at: https://codereview.stackexchange.com/questions/156477/c-program-to-count-number-of-lines-in-a-file
+         while ((bytes = fread(buffer, 1, sizeof(buffer) - 1, fd))) {
+         lastchar = buffer[bytes - 1];
+         for (char *c = buffer; (c = memchr(c, '\n', bytes - (c - buffer))); c++) {
+         lines++;
+         }
+         }
+         */
+        close(fd);
+        debug_str("#############################################################");
+        debug_str(data);
+        debug_str("#############################################################");
+
+        for(int i =0; i < strlen(data); i++) {
+            //LMIC.frame[i] = sprintf(buffer, "%x", data[i]);
+
+            LMIC.frame[i] = data[i];
+        }
+
+        /*
+         LMIC.frame[0] = 0x0;
+         LMIC.frame[1] = 0x1;
+         LMIC.frame[2] = 0x1;
+         LMIC.frame[3] = 0x0;
+         LMIC.frame[4] = 0x1;
+         LMIC.frame[5] = 0x6;
+         LMIC.frame[6] = 0xa;
+         LMIC.frame[7] = 0x3;
+         LMIC.frame[8] = 0x2;
+         LMIC.frame[9] = 0xf;
+         */
+
+        //LMIC.frame[0] = LMIC.snr;
+        // schedule transmission (port 1, datalen 1, no ack requested)
+        LMIC_setTxData2(1, LMIC.frame, 10, 1);
+        // (will be sent as soon as duty cycle permits)
+        break;
     }
 }
+