File content as of revision 0:1596b8644523:

#include "mbed.h"
#include "CAN.h"
#include "TextLCD.h"
#include "SDFileSystem.h"
#include "DebounceIn.h"
#include "log.h"
#include "beep.h"

//VP230
//1:D   8:RS
//2:GND 7:CANH
//3:VCC 6:CANL
//4:R   5:Vref

//LPC1768
//1:    VSS
//2:        NC:VIN
//3:        NC:VB
//4:        NC:nR
//5:    SPI:MOSI   -->  6:SDRAM:DI
//6:    SPI:MISO   -->  2:SDRAM:DO
//7:    SPI:SCLK   -->  4:SDRAM:SCLK
//8:    CS         -->  7:SDRAM:CS
//9:    CAN1:TX    -->  1:CAN1:D
//10:   CAN1:RX    -->  4:CAN1:R
//11:   RS         -->  4:LCD:RS
//12:   E          -->  6:LCD:E
//13:   D4         -->  11:LCD:D4
//14:   D5         -->  12:LCD:D5
//15:   D6         -->  13:LCD:D6
//16:   D7         -->  14:LCD:D7
//17:   CD         -->  1:SDRAM:CD
//18:       NC:Ain
//19:   PB2
//20:   PB1
//21:   Spkr+
//22:       NC:pwm
//23:       NC:pwm
//24:       NC:pwm
//25:       NC:pwm
//26:       NC:pwm
//27:   CAN1:Sleep -->  8:CAN1:RS
//28:   CAN2:Sleep -->  8:CAN2:RS
//29:   CAN2:RX    -->  4:CAN2:R
//30:   CAN2:TX    -->  1:CAN2:D
//31:       NC:USB_D+
//32:       NC:USB_D-
//33:       NC:Eth_TD+
//34:       NC:Eth_TD-
//35:       NC:Eth_RD+
//36:       NC:Eth_RD-
//37:       NC:IF+
//38:       NC:IF-
//39:       NC:5Vout
//40:   VCC3.3

Beep buzzer(p21);
DigitalIn  CD( p17 ); 
DigitalIn  PB1( p20 ); 
SDFileSystem sd(p5, p6, p7, p8, "sd"); // SDFileSystem::SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name)
TextLCD lcd(p11, p12, p13, p14, p15, p16); // rs, e, d0-d3 (RW to GND)
Ticker ticker;
DigitalOut led1(LED1);
DigitalOut led2(LED2);
DigitalOut led3(LED3);
DigitalOut led4(LED4);
CAN can1(p9, p10);      // CAN1 uses pins 9 and 10 (tx, rx)
CAN can2(p30, p29);     // CAN2 uses pins 30 and 29 (tx, rx)
bool LogCreated = false;
char logMsg[64];

char counter = 0;
//DigitalOut can1_SleepMode(p11);     // Use pin 11 to control the sleep mode of can1
//DigitalOut can2_SleepMode(p28);     // Use pin 28 to control the sleep mode of can2
Serial pc(USBTX, USBRX); // tx, rx   default settings (9600 8N1)

void Log (char *message)
{
    FILE *file;

    if (!LogCreated) {
        file = fopen(LOGFILE, "w");
        LogCreated = true;
    }
    else
        file = fopen(LOGFILE, "a");

    if (file == NULL) {
        if (LogCreated)
            LogCreated = false;
        return;
    }
    else
    {
        fputs(message, file);
        //fprintf(file, message);
        fclose(file);
    }

    if (file)
        fclose(file);
}


void send() {
    if(can1.write(CANMessage(0x350, &counter, 1))) {
        counter++;
        pc.printf("Message %d sent\n", counter);
        lcd.printf("sent: %d  \n", counter);
        if(LogCreated) {
            if((PB1==0)||(CD==0)){
                LogCreated=false;
                pc.printf("Stopping log\n", counter);
            }else{
                sprintf(logMsg, "sent: %d \n", counter);
                Log(logMsg);
                pc.printf("Message logged\n");
                buzzer.beep(800,0.025);              }
        }
    } 
    led1 = !led1;
}
 
void recieve1() {
    static CANMessage msg1;
    can1.read(msg1);
    pc.printf("Can1 Message received: %d\n", msg1.data[0]);
    lcd.printf("Can1 rxd: %d\n", msg1.data[0]);
    led2 = !led2;
}
void recieve2() {
    static CANMessage msg2;
    can2.read(msg2);
    pc.printf("Can2 Message received: %d\n", msg2.data[0]);
    lcd.printf("Can2 rxd: %d\n", msg2.data[0]);
    led3 = !led3;
}

int main() {
    pc.baud(115200);        // change serial interface to pc to 115200, 8N1
    can1.frequency(100000);
    can2.frequency(100000);
    //can1_SleepMode = 0;         // Turn off Sleep Mode
    //can2_SleepMode = 0;         // Turn off Sleep Mode
    CD.mode(PullUp) ; //SDRAM Chip Detect
    PB1.mode(PullUp) ; //Pushbutton 1
    ticker.attach(&send, 1);
    can1.attach(&recieve1);
    can2.attach(&recieve2);
    if(CD == 1) {
        pc.printf("Starting Can Log\n");
        Log("Starting Can Log\n");
        } 
    else {
        pc.printf("No SDRAM Inserted.\n");
    }
}