Engravity-CDU
voor willem test
Dependencies: 4DGL MODSERIAL mbed mbos
Diff: CDU2FS_message_2.cpp
- Revision:
- 6:e0bf3b244d7c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/CDU2FS_message_2.cpp Tue Jan 29 14:54:14 2013 +0000
@@ -0,0 +1,188 @@
+// L. van der Kolk, ELVEDEKA, Holland //
+// File: CDU2FS_message_2.cpp
+
+#include "mbed.h"
+#include "MODSERIAL.h"
+
+extern MODSERIAL USB;
+extern int CDU_FS_interface;
+
+int key_hit_ID = 0; // : number of key that was hit, 0 = no hit of any key. ( global flag ! )
+
+char key_message[20] = "$PCDUKEY,"; // : setup begin of KEY message to FS
+char val_message[50] = "$PCDUVAL,"; // : setup begin of VAL message to FS
+char alive_message[20] = "$PCDUOKE,"; // : setup begin of ALIVE message to FS
+
+// ---- Key strings for FS-to-CDU key message SPCDUKEY ------------------------------------------------
+#define max_keys_CDUpanel 70 // : absolute max. number of keys found on CDU panel
+const char *key_value[max_keys_CDUpanel] = // : array of pointers to keystrings terminated by '*'
+ { "???*", // key 0 not valid
+ "LSK1*", // key 1
+ "LSK2*", // key 2
+ "LSK3*", // key 3
+ "LSK4*", // key 4
+ "LSK5*", // key 5
+ "LSK6*", // key 6
+ "INITRF*", // key 7
+ "RTE*", // key 8
+ "CLB*", // key 9
+ "CRZ*", // key 10
+ "DES*", // key 11
+ "MENU*", // key 12
+ "LEGS*", // key 13
+ "DEPARR*", // key 14
+ "HOLD*", // key 15
+ "PROG*", // key 16
+ "EXEC*", // key 17
+ "N1LMT*", // key 18
+ "FIX*", // key 19
+ "PRPAGE*", // key 20
+ "NXPAGE*", // key 21
+ "1*", // key 22
+ "2*", // key 23
+ "4*", // key 24
+ "5*", // key 25
+ "6*", // key 26
+ "7*", // key 27
+ "8*", // key 28
+ "9*", // key 29
+ "0*", // key 30
+ ".*", // key 31
+ "+/-*", // key 32
+ "A*", // key 33
+ "B*", // key 34
+ "C*", // key 35
+ "D*", // key 36
+ "E*", // key 37
+ "F*", // key 38
+ "G*", // key 39
+ "H*", // key 40
+ "I*", // key 41
+ "J*", // key 42
+ "K*", // key 43
+ "L*", // key 44
+ "M*", // key 45
+ "N*", // key 46
+ "O*", // key 47
+ "P*", // key 48
+ "Q*", // key 49
+ "R*", // key 50
+ "S*", // key 51
+ "T*", // key 52
+ "U*", // key 53
+ "V*", // key 54
+ "W*", // key 55
+ "X*", // key 56
+ "Y*", // key 57
+ "Z*", // key 58
+ "SPC*", // key 59
+ "DEL*", // key 60
+ "CLR*", // key 61
+ "/*", // key 62
+ "RSK1*", // key 63
+ "RSK2*", // key 64
+ "RSK3*", // key 65
+ "RSK4*", // key 67
+ "RSK5*", // key 68
+ "RSK6*" // key 69
+ };
+// ------------------------------------------------------------------------------------------------
+
+void send_message_to_FS(char *message_string) {
+ // Common fnction to send a created message string (VAL, KEY or OKE) to the FS.
+ // Parameter is pointer to char string that has to be sent.
+ // Interface can be USB port or Ethernet port.
+ if ( CDU_FS_interface == 0 ) { // : messages will be sent by USB port
+ // Test if TX buffer is not full:
+ // Note: Only writing in the Tx buffer if there is enough space,
+ // prevents Tx buffer overflow, but caharcters can be lost when Tx buffersize is defined too small !
+ // In this case the Blue-Leds-Of-Death due to a TX overflow interrupt will never occur,
+ // and Mbed will keep running !
+ USB.puts(message_string); // : write total string in USB TX buffer <<<<<<<<<<<<<<<<< ????
+ }
+ //if ( CDU_FS_interface == 1 ) Ethernet.puts(message_string); // : messages will be sent by Ehternet
+}
+
+void Send_VAL_message(int var, char *char_pntr) {
+ // Function creates a valid VAL message out of var parameter and out of value string
+ // which is addressed by parameter char_pntr.
+ // After adding a checksum, the total VAL message string will be sent.
+
+ //USB.printf("pseudo VAL message: %d , %s\n",var,char_pntr); // debug only !
+ int i;
+ char byte_read;
+ char exor_byte = 0;
+ // Create VAL message, starting with "$PCDUVAL," message header
+ i = 9; // : i points to first place after "$PCDUVAL," header
+ // : add 2 digit var number and comma to message:
+ sprintf(&val_message[i],"%02d,",var);
+ // Add value of var and extra '*' char to VAL message:
+ i = 12;
+ sprintf(&val_message[i],"%s*",char_pntr);
+ // Calculate checksum now :
+ i = 1; // : i points to first place after '$' in message
+ do { byte_read = val_message[i];
+ if (byte_read == '*') break; // : exclude '*' from calculation
+ exor_byte = exor_byte ^ byte_read;
+ i++;
+ } while ( i < 50 );
+ i++; // : i now points to first digit of checksum after '*'
+ // Add exor_byte in 2 hex digits and a CR + LF:
+ sprintf(&val_message[i],"%02x\r\n",exor_byte); // : extra NULL char added by sprintf
+ send_message_to_FS(val_message); // : send message to defined CDU-FS interface
+}
+
+void Send_ALIVE_message(int seconds){
+ int i;
+ char byte_read;
+ char exor_byte = 0;
+ //Create alive message:
+ i = 9; // : i points to first place after "$PCDUOKE,"
+ // Add seconds in 2 dec digits and a '*' char :
+ sprintf(&alive_message[i],"%02d*",seconds);
+ // Calculate checksum now :
+ i = 1; // : i points to first place after '$'
+ do { byte_read = alive_message[i];
+ if (byte_read == '*') break; // : exclude '*' from exor calculation
+ exor_byte = exor_byte ^ byte_read;
+ i++;
+ } while ( i < 20 );
+ i++; // : i now points to first digit of checksum after '*'
+ // Add exor_byte in 2 hex chars (with upper case A-F) and a CR + LF:
+ sprintf(&alive_message[i],"%02X\r\n",exor_byte); // : + extra NULL char added by sprintf
+ send_message_to_FS(alive_message); // : send message to defined CDU-FS interface
+
+}
+
+void Send_KEY_message(int key_nr) {
+ // Function creates a valid KEY message out of key_nr parameter.
+ // Based on key_nr, a key char string is looked up and added to the message.
+ // After adding a checksum, the total KEY message will be sent.
+ int i;
+ char byte_read;
+ char exor_byte = 0;
+ // Create key message, starting with "$PCDUKEY," message header
+ i = 9; // : i points to first position after "$PCDUKEY," message header
+ // Add key string to message string including '*'
+ if ( key_nr != 0 && key_nr < max_keys_CDUpanel ) {
+ strcpy(&key_message[i],key_value[key_nr]);
+ }
+ // Calculate checksum now :
+ i = 1; // : i points to first place after '$' in message
+ do { byte_read = key_message[i];
+ if (byte_read == '*') break; // : exclude '*' from calculation
+ exor_byte = exor_byte ^ byte_read;
+ i++;
+ } while ( i < 20 );
+ i++; // : i now points to first digit of checksum after '*'
+ // Add exor_byte in 2 hex digits and a CR + LF:
+ sprintf(&key_message[i],"%02x\r\n",exor_byte); // : extra NULL char added by sprintf
+ send_message_to_FS(key_message); // : send message to defined CDU-FS interface
+}
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