Revision 0:d40cebe2b64e, committed 2011-08-24
- Comitter:
- bouguereau
- Date:
- Wed Aug 24 09:45:21 2011 +0000
- Commit message:
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/can01.cpp Wed Aug 24 09:45:21 2011 +0000
@@ -0,0 +1,70 @@
+#include "can01.h"
+
+ Ticker ticker;
+
+ DigitalOut led1(LED1);
+ DigitalOut led2(LED2);
+
+ // CAN_RS pin at Philips PCA82C250 can bus controller.
+ // activate transceiver by pulling this pin to GND.
+ // (Rise and fall slope controlled by resistor R_s)
+ // (+5V result in tranceiver standby mode)
+ // For further information see datasheet page 4
+ DigitalOut can_Pca82c250SlopePin(p28);
+
+ // second can controller on these pins. Not used here.
+ // CAN can1(p9, p10);
+
+ // We use can on mbed pins 29(CAN_TXD) and 30(CAN_RXD).
+ CAN can2(p30, p29);
+
+
+void tCan01 :: send()
+ {
+ static char counter = 0;
+ if (can2.write(CANMessage(0x200, &counter, 1))) {
+ printf("CanTx--> id: 0x200 dlc: 1 data: %x\n\r", counter);
+ counter++;
+ }
+ // toggle led1 after every transmission
+ led1 = !led1;
+ }
+
+
+void tCan01 :: ConfigurerCan2Envoie()
+{
+ char compteur=1;
+ // 500kbit/s
+ can2.frequency(10000);
+ // activate external can transceiver
+ can_Pca82c250SlopePin = 0;
+ // every 500ms
+ ticker.attach(&send, 0.5);
+ /// create message object for message reception
+ CANMessage can_MsgRx;
+ can2.write(CANMessage(0x200, &compteur, 1));
+ while (1)
+ {
+ // send received messages to the pc via serial line (9k6, 8n1)
+ if (can2.read(can_MsgRx))
+ {
+ printf("CanRx--> id: 0x%x dlc: %d data: ", can_MsgRx.id, can_MsgRx.len);
+ for (char i=0; i<can_MsgRx.len; i++)
+ {
+ printf("%x ", can_MsgRx.data[i]);
+ }
+ printf("\n\r");
+ // any incoming message: toggle led2
+ led2 = !led2;
+ }
+ }
+}
+
+/*void tcan01 ::Can1Recoit()
+{
+ static char msg=0;
+ if (can1.read(CANMessage(0x200,msg)))
+ {
+ printf("CanTx
+ }
+}*/
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/can01.h Wed Aug 24 09:45:21 2011 +0000
@@ -0,0 +1,19 @@
+#ifndef CAN01_H
+#define CAN01_H
+
+#include "mbed.h"
+#include "CAN.h"
+
+class tCan01
+{
+
+private:
+
+public:
+ void send() ;
+ void Can1Recoit() ;
+ void ConfigurerCan2Envoie();
+
+};
+
+#endif
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Aug 24 09:45:21 2011 +0000
@@ -0,0 +1,13 @@
+#include "can01.h"
+
+ //Can2Envoie
+
+
+
+ int main()
+ {
+ tCan01 obj;
+ obj.send();
+ obj.ConfigurerCan2Envoie();
+
+ }
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld Wed Aug 24 09:45:21 2011 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9a9732ce53a1
François .