APP3
This is the coordinator node.
Dependencies: mbed-rtos mbed Zigbee_communication EthernetInterface WebSocketClient
Revision 0:4cfeffb4d773, committed 2017-02-13
- Comitter:
- ShaolinPoutine
- Date:
- Mon Feb 13 20:25:43 2017 +0000
- Child:
- 1:da39cdd96ec8
- Child:
- 2:51d67a8b2325
- Commit message:
- Created coordinator node.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Feb 13 20:25:43 2017 +0000
@@ -0,0 +1,221 @@
+#include "mbed.h"
+#define FRAMEDELIMITER 0x7E
+#include "rtos.h"
+
+// 4269
+DigitalOut resetswitch(p8);
+Serial xbee(p13, p14);
+Serial pc(USBTX, USBRX);
+DigitalOut myled(LED1);
+
+void printhexa(char c)
+{
+ char msb = c >> 4;
+ char lsb = c & 0xF;
+
+ if (msb < 10)
+ msb += 0x30;
+ else
+ msb += 0x37;
+
+ if (lsb < 10)
+ lsb += 0x30;
+ else
+ lsb += 0x37;
+
+ pc.putc('0');
+ pc.putc('x');
+ pc.putc(msb);
+ pc.putc(lsb);
+ pc.putc(' ');
+}
+
+void ATCommandResponse(int len, char* ans)
+{
+ char total = 0x88;
+ char id = xbee.getc();
+ total += id;
+ char command[2];
+ command[0] = xbee.getc();
+ total += command[0];
+ command[1] = xbee.getc();
+ total += command[1];
+ char status = xbee.getc();
+ total += status;
+ int i = 0;
+ len-= 4;
+ char data[len];
+
+ pc.printf("response to command %c%c", command[0], command[1]);
+ pc.printf(" is ");
+
+ while (i < len)
+ {
+ if (xbee.readable())
+ {
+ data[i] = xbee.getc();
+ total += data[i];
+ printhexa(data[i]);
+ i++;
+ }
+ }
+
+ char checksum = xbee.getc();
+ total += checksum;
+ // Verify checksum
+ if (total != 0xFF)
+ {
+ pc.printf("Checksum is wrong");
+ }
+ pc.printf("\r\n");
+ ans = data;
+}
+
+void ModemStatus(int len, char* ans)
+{
+ char status = xbee.getc();
+
+ switch (status){
+ case 0 : pc.printf("Hardware reset\r\n"); break;
+ case 1 : pc.printf("Watchdog timer reset\r\n"); break;
+ case 2 : pc.printf("Joined network (routers and end devices)\r\n"); break;
+ case 3 : pc.printf("Disassociated\r\n"); break;
+ case 6 : pc.printf("Coordinator started\r\n"); break;
+ case 7 : pc.printf("Network security key was updated\r\n"); break;
+ case 0x0D : pc.printf("Voltage supply limit exceeded\r\n"); break;
+ case 0x11 : pc.printf("Modem configuration changed while join in progress\r\n"); break;
+ default : pc.printf("stack error\r\n"); break;
+ }
+
+ char checksum = xbee.getc();
+
+ checksum += 0x8A + status;
+
+ if (checksum != 0xFF)
+ {
+ pc.printf("Checksum is wrong\r\n");
+ }
+ *ans = status;
+}
+
+char* InterpretMessage()
+{
+ char start = xbee.getc(); // = FRAMEDELIMITER
+ //assert
+ char len_msb = xbee.getc();
+ char len_lsb = xbee.getc();
+
+ int len = ((int) len_msb << 4) + (int) len_lsb;
+ char frame_data[len];
+
+ // Resolving frame type
+ char type = xbee.getc();
+ char *response;
+ len--;
+
+ switch (type){
+ case 0x88: ATCommandResponse(len, response);
+ break;
+ case 0x8A: ModemStatus(len, response);
+ break;
+ default: pc.printf("Please implement response of type");
+ printhexa(type);
+ pc.printf("\r\n");
+ for (int i = -1; i <len; i++) xbee.getc();
+ }
+ return response;
+}
+
+void SendAtCommand(char FirstChar, char SecondChar, char *OptionalParam = NULL, int ParamLen = 0)
+{
+ // Frame Type 0x08
+ // Two char as parameters
+
+ char cmdtosend[10];
+ char sum = 0;
+ int cmdlength = 8;
+ int i = 0;
+
+ cmdtosend[0] = FRAMEDELIMITER;
+ cmdtosend[1] = 0x00;
+ cmdtosend[2] = 0x04 + ParamLen;
+ cmdtosend[3] = 0x08;
+ cmdtosend[4] = 0x52;
+ cmdtosend[5] = FirstChar;
+ cmdtosend[6] = SecondChar;
+
+ // Ajouter les parametres au message
+ if(OptionalParam != NULL)
+ {
+ i = 0;
+ cmdlength += ParamLen;
+
+ while (i < ParamLen)
+ {
+ pc.putc((OptionalParam)[i]);
+ cmdtosend[7 + i] = (OptionalParam)[i];
+ i++;
+ }
+ pc.printf("\r\n");
+ }
+
+ // Calculate checksum
+ i = 3;
+ while (i < (cmdlength - 1))
+ {
+ sum += cmdtosend[i];
+ i++;
+ }
+ cmdtosend[cmdlength - 1] = 0xFF - sum;
+
+ // Envoyer la commande sur UART
+ i = 0;
+ while (i < cmdlength)
+ {
+ xbee.putc(cmdtosend[i]);
+ i++;
+ }
+
+ wait(0.1);
+}
+
+void ReadSerial()
+{
+ // 00 13 A2 00
+ // 40 3E 09 63
+ SendAtCommand('S', 'H');
+ SendAtCommand('S', 'L');
+}
+
+void xbee_reader()
+{
+ while(1)
+ {
+ if (xbee.readable())
+ {
+ InterpretMessage();
+ }
+ wait(0.001);
+ }
+}
+
+void tick()
+{
+ myled = !myled;
+}
+
+int main() {
+ Thread thread(xbee_reader);
+ Ticker ticker;
+ ticker.attach(&tick, 1);
+ pc.printf("\r\nI am coordinator\r\n");
+ resetswitch = 0;
+ wait(0.4);
+ resetswitch = 1;
+
+ wait(3);
+ ReadSerial();
+
+ while(1) {
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Mon Feb 13 20:25:43 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#58563e6cba1e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Feb 13 20:25:43 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/176b8275d35d \ No newline at end of file