Diff: interfaces.cpp

Revision:

1:d5452e398b76

Child:

2:bf3a2b29259a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/interfaces.cpp	Tue Sep 14 21:02:04 2010 +0000
@@ -0,0 +1,60 @@
+/*******************************************************************************
+
+interfaces.cpp
+(c) 2010 by Sophie Dexter
+
+********************************************************************************
+
+WARNING: Use at your own risk, sadly this software comes with no guarantees.
+This software is provided 'free' and in good faith, but the author does not
+accept liability for any damage arising from its use.
+
+*******************************************************************************/
+
+#include "interfaces.h"
+
+//Serial pc(USBTX, USBRX); // tx, rx
+Serial          pc(USBTX, USBRX);
+
+// A timer for timing how long things take to happen
+Timer timer;
+
+// We use CAN on mbed pins 29(CAN_TXD) and 30(CAN_RXD).
+CAN can(p30, p29);
+// 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_rs_pin(p28);
+
+// Need to create this to be able to read and write files on the mbed 'disk'
+LocalFileSystem local("local");
+
+
+DigitalIn       PIN_PWR(p19);               // power supply
+DigitalIn       PIN_NC(p20);                // connection signal
+DigitalInOut    PIN_BERR(p21);              // double bus fault input - will be an input when it is working properly
+DigitalInOut    PIN_BKPT(p22);              // breakpoint/serial clock
+DigitalInOut    PIN_RESET(p23);             // reset signal
+DigitalInOut    PIN_DSI(p24);               // data input (to ECU) signal
+DigitalIn       PIN_DS(p25);                // data strobe signal (not used)
+DigitalIn       PIN_FREEZE(p26);            // freeze signal
+DigitalIn       PIN_DSO(p27);               // data output (from ECU) signal
+
+//LEDS
+
+// Use the LEDs to if anything is happening
+
+DigitalOut      led1(LED1);                 // LED1 CAN send
+DigitalOut      led2(LED2);                 // LED2 CAN receive
+DigitalOut      led3(LED3);                 // BDM activity LED
+DigitalOut      led4(LED4);                 // Error LED
+
+Ticker ticker;
+
+void leds_off() {
+    led1 = 0;
+    led2 = 0;
+    led3 = 0;
+}
\ No newline at end of file